MAX11410 high speed 24-bit Delta-Sigma ADC

Dependents:   MAX11410BOB_24bit_ADC MAX11410BOB_Serial_Tester

Committer:
whismanoid
Date:
Mon Apr 06 05:15:22 2020 -0700
Revision:
21:847b2220e96e
Parent:
20:fb7527415308
Child:
22:c6812214a933
futility_countdown_limit readAllStatusList readAllStatusListLen cleanup SelfTest

Who changed what in which revision?

UserRevisionLine numberNew contents of line
whismanoid 0:68e64068330f 1 // /*******************************************************************************
whismanoid 4:c169ba85d673 2 // * Copyright (C) 2020 Maxim Integrated Products, Inc., All Rights Reserved.
whismanoid 0:68e64068330f 3 // *
whismanoid 0:68e64068330f 4 // * Permission is hereby granted, free of charge, to any person obtaining a
whismanoid 0:68e64068330f 5 // * copy of this software and associated documentation files (the "Software"),
whismanoid 0:68e64068330f 6 // * to deal in the Software without restriction, including without limitation
whismanoid 0:68e64068330f 7 // * the rights to use, copy, modify, merge, publish, distribute, sublicense,
whismanoid 0:68e64068330f 8 // * and/or sell copies of the Software, and to permit persons to whom the
whismanoid 0:68e64068330f 9 // * Software is furnished to do so, subject to the following conditions:
whismanoid 0:68e64068330f 10 // *
whismanoid 0:68e64068330f 11 // * The above copyright notice and this permission notice shall be included
whismanoid 0:68e64068330f 12 // * in all copies or substantial portions of the Software.
whismanoid 0:68e64068330f 13 // *
whismanoid 0:68e64068330f 14 // * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
whismanoid 0:68e64068330f 15 // * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
whismanoid 0:68e64068330f 16 // * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
whismanoid 0:68e64068330f 17 // * IN NO EVENT SHALL MAXIM INTEGRATED BE LIABLE FOR ANY CLAIM, DAMAGES
whismanoid 0:68e64068330f 18 // * OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
whismanoid 0:68e64068330f 19 // * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
whismanoid 0:68e64068330f 20 // * OTHER DEALINGS IN THE SOFTWARE.
whismanoid 0:68e64068330f 21 // *
whismanoid 0:68e64068330f 22 // * Except as contained in this notice, the name of Maxim Integrated
whismanoid 0:68e64068330f 23 // * Products, Inc. shall not be used except as stated in the Maxim Integrated
whismanoid 0:68e64068330f 24 // * Products, Inc. Branding Policy.
whismanoid 0:68e64068330f 25 // *
whismanoid 0:68e64068330f 26 // * The mere transfer of this software does not imply any licenses
whismanoid 0:68e64068330f 27 // * of trade secrets, proprietary technology, copyrights, patents,
whismanoid 0:68e64068330f 28 // * trademarks, maskwork rights, or any other form of intellectual
whismanoid 0:68e64068330f 29 // * property whatsoever. Maxim Integrated Products, Inc. retains all
whismanoid 0:68e64068330f 30 // * ownership rights.
whismanoid 0:68e64068330f 31 // *******************************************************************************
whismanoid 0:68e64068330f 32 // */
whismanoid 0:68e64068330f 33 // *********************************************************************
whismanoid 0:68e64068330f 34 // @file MAX11410.cpp
whismanoid 0:68e64068330f 35 // *********************************************************************
whismanoid 0:68e64068330f 36 // Device Driver file
whismanoid 0:68e64068330f 37 // DO NOT EDIT; except areas designated "CUSTOMIZE". Automatically generated file.
whismanoid 0:68e64068330f 38 // generated by XMLSystemOfDevicesToMBED.py
whismanoid 0:68e64068330f 39 // System Name = ExampleSystem
whismanoid 0:68e64068330f 40 // System Description = Device driver example
whismanoid 0:68e64068330f 41
whismanoid 0:68e64068330f 42 #include "MAX11410.h"
whismanoid 0:68e64068330f 43
whismanoid 0:68e64068330f 44 // Device Name = MAX11410
whismanoid 0:68e64068330f 45 // Device Description = 1.9ksps, Low-Power, Serial SPI 24-Bit, 10-Channel, Differential/Single-Ended Input, SAR ADC
whismanoid 0:68e64068330f 46 // Device DeviceBriefDescription = 24-bit 1.9ksps Delta-Sigma ADC
whismanoid 0:68e64068330f 47 // Device Manufacturer = Maxim Integrated
whismanoid 0:68e64068330f 48 // Device PartNumber = MAX11410ATI+
whismanoid 0:68e64068330f 49 // Device RegValue_Width = DataWidth16bit_HL
whismanoid 0:68e64068330f 50 //
whismanoid 0:68e64068330f 51 // ADC MaxOutputDataRate = 1.9ksps
whismanoid 0:68e64068330f 52 // ADC NumChannels = 10
whismanoid 0:68e64068330f 53 // ADC ResolutionBits = 24
whismanoid 0:68e64068330f 54 //
whismanoid 0:68e64068330f 55 // SPI CS = ActiveLow
whismanoid 0:68e64068330f 56 // SPI FrameStart = CS
whismanoid 0:68e64068330f 57 // SPI CPOL = 0
whismanoid 0:68e64068330f 58 // SPI CPHA = 0
whismanoid 0:68e64068330f 59 // SPI MOSI and MISO Data are both stable on Rising edge of SCLK
whismanoid 0:68e64068330f 60 // SPI SCLK Idle Low
whismanoid 0:68e64068330f 61 // SPI SCLKMaxMHz = 8
whismanoid 0:68e64068330f 62 // SPI SCLKMinMHz = 0
whismanoid 0:68e64068330f 63 //
whismanoid 0:68e64068330f 64
whismanoid 0:68e64068330f 65 // CODE GENERATOR: class constructor definition
whismanoid 0:68e64068330f 66 MAX11410::MAX11410(SPI &spi, DigitalOut &cs_pin, // SPI interface
whismanoid 0:68e64068330f 67 // CODE GENERATOR: class constructor definition gpio InputPin pins
whismanoid 0:68e64068330f 68 // CODE GENERATOR: class constructor definition gpio OutputPin pins
whismanoid 0:68e64068330f 69 // CODE GENERATOR: class constructor definition ic_variant
whismanoid 0:68e64068330f 70 MAX11410_ic_t ic_variant)
whismanoid 0:68e64068330f 71 // CODE GENERATOR: class constructor initializer list
whismanoid 0:68e64068330f 72 : m_spi(spi), m_cs_pin(cs_pin), // SPI interface
whismanoid 0:68e64068330f 73 // CODE GENERATOR: class constructor initializer list gpio InputPin pins
whismanoid 0:68e64068330f 74 // CODE GENERATOR: class constructor initializer list gpio OutputPin pins
whismanoid 0:68e64068330f 75 // CODE GENERATOR: class constructor initializer list ic_variant
whismanoid 0:68e64068330f 76 m_ic_variant(ic_variant)
whismanoid 0:68e64068330f 77 {
whismanoid 0:68e64068330f 78 // CODE GENERATOR: class constructor definition SPI interface initialization
whismanoid 0:68e64068330f 79 //
whismanoid 0:68e64068330f 80 // SPI CS = ActiveLow
whismanoid 0:68e64068330f 81 // SPI FrameStart = CS
whismanoid 0:68e64068330f 82 m_SPI_cs_state = 1;
whismanoid 13:df96a784cda6 83 if (m_cs_pin.is_connected()) { // avoid mbed runtime error if pin is NC not connected
whismanoid 13:df96a784cda6 84 m_cs_pin = m_SPI_cs_state;
whismanoid 13:df96a784cda6 85 }
whismanoid 0:68e64068330f 86
whismanoid 0:68e64068330f 87 // SPI CPOL = 0
whismanoid 0:68e64068330f 88 // SPI CPHA = 0
whismanoid 0:68e64068330f 89 // SPI MOSI and MISO Data are both stable on Rising edge of SCLK
whismanoid 0:68e64068330f 90 // SPI SCLK Idle Low
whismanoid 0:68e64068330f 91 m_SPI_dataMode = 0; //SPI_MODE0; // CPOL=0,CPHA=0: Rising Edge stable; SCLK idle Low
whismanoid 0:68e64068330f 92 m_spi.format(8,m_SPI_dataMode); // int bits_must_be_8, int mode=0_3 CPOL=0,CPHA=0
whismanoid 0:68e64068330f 93
whismanoid 0:68e64068330f 94 // SPI SCLKMaxMHz = 8
whismanoid 0:68e64068330f 95 // SPI SCLKMinMHz = 0
whismanoid 0:68e64068330f 96 //#define SPI_SCLK_Hz 48000000 // 48MHz
whismanoid 0:68e64068330f 97 //#define SPI_SCLK_Hz 24000000 // 24MHz
whismanoid 0:68e64068330f 98 //#define SPI_SCLK_Hz 12000000 // 12MHz
whismanoid 0:68e64068330f 99 //#define SPI_SCLK_Hz 6000000 // 6MHz
whismanoid 0:68e64068330f 100 //#define SPI_SCLK_Hz 4000000 // 4MHz
whismanoid 0:68e64068330f 101 //#define SPI_SCLK_Hz 2000000 // 2MHz
whismanoid 0:68e64068330f 102 //#define SPI_SCLK_Hz 1000000 // 1MHz
whismanoid 0:68e64068330f 103 m_SPI_SCLK_Hz = 8000000; // 8MHz; MAX11410 limit is 8MHz
whismanoid 0:68e64068330f 104 m_spi.frequency(m_SPI_SCLK_Hz);
whismanoid 0:68e64068330f 105
whismanoid 0:68e64068330f 106 }
whismanoid 0:68e64068330f 107
whismanoid 0:68e64068330f 108 // CODE GENERATOR: class destructor definition
whismanoid 0:68e64068330f 109 MAX11410::~MAX11410()
whismanoid 0:68e64068330f 110 {
whismanoid 0:68e64068330f 111 // do nothing
whismanoid 0:68e64068330f 112 }
whismanoid 0:68e64068330f 113
whismanoid 0:68e64068330f 114 // CODE GENERATOR: spi_frequency setter definition
whismanoid 0:68e64068330f 115 /// set SPI SCLK frequency
whismanoid 0:68e64068330f 116 void MAX11410::spi_frequency(int spi_sclk_Hz)
whismanoid 0:68e64068330f 117 {
whismanoid 0:68e64068330f 118 m_SPI_SCLK_Hz = spi_sclk_Hz;
whismanoid 0:68e64068330f 119 m_spi.frequency(m_SPI_SCLK_Hz);
whismanoid 0:68e64068330f 120 }
whismanoid 0:68e64068330f 121
whismanoid 0:68e64068330f 122 // CODE GENERATOR: omit global g_MAX11410_device
whismanoid 0:68e64068330f 123 // CODE GENERATOR: extern function declarations
whismanoid 0:68e64068330f 124 // CODE GENERATOR: extern function requirement MAX11410::SPIoutputCS
whismanoid 0:68e64068330f 125 // Assert SPI Chip Select
whismanoid 0:68e64068330f 126 // SPI chip-select for MAX11410
whismanoid 0:68e64068330f 127 //
whismanoid 12:daecd93dd33a 128 inline void MAX11410::SPIoutputCS(int isLogicHigh)
whismanoid 0:68e64068330f 129 {
whismanoid 0:68e64068330f 130 // CODE GENERATOR: extern function definition for function SPIoutputCS
whismanoid 0:68e64068330f 131 // CODE GENERATOR: extern function definition for standard SPI interface function SPIoutputCS(int isLogicHigh)
whismanoid 0:68e64068330f 132 m_SPI_cs_state = isLogicHigh;
whismanoid 13:df96a784cda6 133 if (m_cs_pin.is_connected()) { // avoid mbed runtime error if pin is NC not connected
whismanoid 13:df96a784cda6 134 m_cs_pin = m_SPI_cs_state;
whismanoid 13:df96a784cda6 135 }
whismanoid 0:68e64068330f 136 }
whismanoid 0:68e64068330f 137
whismanoid 0:68e64068330f 138 // CODE GENERATOR: extern function requirement MAX11410::SPIwrite16bits
whismanoid 0:68e64068330f 139 // SPI write 16 bits
whismanoid 0:68e64068330f 140 // SPI interface to MAX11410 shift 16 bits mosiData into MAX11410 DIN
whismanoid 0:68e64068330f 141 //
whismanoid 0:68e64068330f 142 void MAX11410::SPIwrite16bits(int16_t mosiData16)
whismanoid 0:68e64068330f 143 {
whismanoid 0:68e64068330f 144 // CODE GENERATOR: extern function definition for function SPIwrite16bits
whismanoid 0:68e64068330f 145 // TODO1: CODE GENERATOR: extern function definition for standard SPI interface function SPIwrite16bits(int16_t mosiData16)
whismanoid 0:68e64068330f 146 size_t byteCount = 2;
whismanoid 0:68e64068330f 147 static char mosiData[2];
whismanoid 0:68e64068330f 148 static char misoData[2];
whismanoid 0:68e64068330f 149 mosiData[0] = (char)((mosiData16 >> 8) & 0xFF); // MSByte
whismanoid 0:68e64068330f 150 mosiData[1] = (char)((mosiData16 >> 0) & 0xFF); // LSByte
whismanoid 0:68e64068330f 151 //
whismanoid 0:68e64068330f 152 // Arduino: begin critical section: noInterrupts() masks all interrupt sources; end critical section with interrupts()
whismanoid 0:68e64068330f 153 //~ noInterrupts();
whismanoid 0:68e64068330f 154 //
whismanoid 0:68e64068330f 155 //~ digitalWrite(Scope_Trigger_Pin, LOW); // diagnostic Scope_Trigger_Pin
whismanoid 0:68e64068330f 156 //
whismanoid 0:68e64068330f 157 unsigned int numBytesTransferred = m_spi.write(mosiData, byteCount, misoData, byteCount);
whismanoid 0:68e64068330f 158 //~ m_spi.transfer(mosiData8_FF0000);
whismanoid 0:68e64068330f 159 //~ m_spi.transfer(mosiData16_00FF00);
whismanoid 0:68e64068330f 160 //~ m_spi.transfer(mosiData16_0000FF);
whismanoid 0:68e64068330f 161 //
whismanoid 0:68e64068330f 162 //~ digitalWrite(Scope_Trigger_Pin, HIGH); // diagnostic Scope_Trigger_Pin
whismanoid 0:68e64068330f 163 //
whismanoid 0:68e64068330f 164 // Arduino: begin critical section: noInterrupts() masks all interrupt sources; end critical section with interrupts()
whismanoid 0:68e64068330f 165 //~ interrupts();
whismanoid 0:68e64068330f 166 // Optional Diagnostic function to print SPI transactions
whismanoid 0:68e64068330f 167 if (onSPIprint)
whismanoid 0:68e64068330f 168 {
whismanoid 0:68e64068330f 169 onSPIprint(byteCount, (uint8_t*)mosiData, (uint8_t*)misoData);
whismanoid 0:68e64068330f 170 }
whismanoid 0:68e64068330f 171 //
whismanoid 0:68e64068330f 172 // VERIFY: SPIwrite24bits print diagnostic information
whismanoid 0:68e64068330f 173 //cmdLine.serial().printf(" MOSI->"));
whismanoid 0:68e64068330f 174 //cmdLine.serial().printf(" 0x"));
whismanoid 0:68e64068330f 175 //Serial.print( (mosiData8_FF0000 & 0xFF), HEX);
whismanoid 0:68e64068330f 176 //cmdLine.serial().printf(" 0x"));
whismanoid 0:68e64068330f 177 //Serial.print( (mosiData16_00FF00 & 0xFF), HEX);
whismanoid 0:68e64068330f 178 //cmdLine.serial().printf(" 0x"));
whismanoid 0:68e64068330f 179 //Serial.print( (mosiData16_0000FF & 0xFF), HEX);
whismanoid 0:68e64068330f 180 // hex dump mosiData[0..byteCount-1]
whismanoid 0:68e64068330f 181 #if 0 // HAS_MICROUSBSERIAL
whismanoid 0:68e64068330f 182 cmdLine_microUSBserial.serial().printf("\r\nSPI");
whismanoid 0:68e64068330f 183 if (byteCount > 7) {
whismanoid 0:68e64068330f 184 cmdLine_microUSBserial.serial().printf(" byteCount:%d", byteCount);
whismanoid 0:68e64068330f 185 }
whismanoid 0:68e64068330f 186 cmdLine_microUSBserial.serial().printf(" MOSI->");
whismanoid 0:68e64068330f 187 for (unsigned int byteIndex = 0; byteIndex < byteCount; byteIndex++)
whismanoid 0:68e64068330f 188 {
whismanoid 0:68e64068330f 189 cmdLine_microUSBserial.serial().printf(" 0x%2.2X", mosiData[byteIndex]);
whismanoid 0:68e64068330f 190 }
whismanoid 0:68e64068330f 191 // hex dump misoData[0..byteCount-1]
whismanoid 0:68e64068330f 192 cmdLine_microUSBserial.serial().printf(" MISO<-");
whismanoid 0:68e64068330f 193 for (unsigned int byteIndex = 0; byteIndex < numBytesTransferred; byteIndex++)
whismanoid 0:68e64068330f 194 {
whismanoid 0:68e64068330f 195 cmdLine_microUSBserial.serial().printf(" 0x%2.2X", misoData[byteIndex]);
whismanoid 0:68e64068330f 196 }
whismanoid 0:68e64068330f 197 cmdLine_microUSBserial.serial().printf(" ");
whismanoid 0:68e64068330f 198 #endif
whismanoid 0:68e64068330f 199 #if 0 // HAS_DAPLINK_SERIAL
whismanoid 0:68e64068330f 200 cmdLine_DAPLINKserial.serial().printf("\r\nSPI");
whismanoid 0:68e64068330f 201 if (byteCount > 7) {
whismanoid 0:68e64068330f 202 cmdLine_DAPLINKserial.serial().printf(" byteCount:%d", byteCount);
whismanoid 0:68e64068330f 203 }
whismanoid 0:68e64068330f 204 cmdLine_DAPLINKserial.serial().printf(" MOSI->");
whismanoid 0:68e64068330f 205 for (unsigned int byteIndex = 0; byteIndex < byteCount; byteIndex++)
whismanoid 0:68e64068330f 206 {
whismanoid 0:68e64068330f 207 cmdLine_DAPLINKserial.serial().printf(" 0x%2.2X", mosiData[byteIndex]);
whismanoid 0:68e64068330f 208 }
whismanoid 0:68e64068330f 209 // hex dump misoData[0..byteCount-1]
whismanoid 0:68e64068330f 210 cmdLine_DAPLINKserial.serial().printf(" MISO<-");
whismanoid 0:68e64068330f 211 for (unsigned int byteIndex = 0; byteIndex < numBytesTransferred; byteIndex++)
whismanoid 0:68e64068330f 212 {
whismanoid 0:68e64068330f 213 cmdLine_DAPLINKserial.serial().printf(" 0x%2.2X", misoData[byteIndex]);
whismanoid 0:68e64068330f 214 }
whismanoid 0:68e64068330f 215 cmdLine_DAPLINKserial.serial().printf(" ");
whismanoid 0:68e64068330f 216 #endif
whismanoid 0:68e64068330f 217 // VERIFY: DIAGNOSTIC: print MAX5715 device register write
whismanoid 0:68e64068330f 218 // TODO: MAX5715_print_register_verbose(mosiData8_FF0000, mosiData16_00FFFF);
whismanoid 0:68e64068330f 219 // TODO: print_verbose_SPI_diagnostic(mosiData16_FF00, mosiData16_00FF, misoData16_FF00, misoData16_00FF);
whismanoid 0:68e64068330f 220 //
whismanoid 0:68e64068330f 221 // int misoData16 = (misoData16_FF00 << 8) | misoData16_00FF;
whismanoid 0:68e64068330f 222 // return misoData16;
whismanoid 0:68e64068330f 223 }
whismanoid 0:68e64068330f 224
whismanoid 0:68e64068330f 225 // CODE GENERATOR: extern function requirement MAX11410::SPIreadWrite16bits
whismanoid 0:68e64068330f 226 // SPI read and write 16 bits
whismanoid 0:68e64068330f 227 // SPI interface to MAX11410 shift 16 bits mosiData16 into MAX11410 DIN
whismanoid 0:68e64068330f 228 // while simultaneously capturing 16 bits miso data from MAX11410 DOUT
whismanoid 0:68e64068330f 229 //
whismanoid 0:68e64068330f 230 int16_t MAX11410::SPIreadWrite16bits(int16_t mosiData16)
whismanoid 0:68e64068330f 231 {
whismanoid 0:68e64068330f 232 // CODE GENERATOR: extern function definition for function SPIreadWrite16bits
whismanoid 0:68e64068330f 233 // TODO1: CODE GENERATOR: extern function definition for standard SPI interface function SPIreadWrite16bits(int16_t mosiData16)
whismanoid 0:68e64068330f 234 size_t byteCount = 2;
whismanoid 0:68e64068330f 235 static char mosiData[2];
whismanoid 0:68e64068330f 236 static char misoData[2];
whismanoid 0:68e64068330f 237 mosiData[0] = (char)((mosiData16 >> 8) & 0xFF); // MSByte
whismanoid 0:68e64068330f 238 mosiData[1] = (char)((mosiData16 >> 0) & 0xFF); // LSByte
whismanoid 0:68e64068330f 239 //
whismanoid 0:68e64068330f 240 // Arduino: begin critical section: noInterrupts() masks all interrupt sources; end critical section with interrupts()
whismanoid 0:68e64068330f 241 //~ noInterrupts();
whismanoid 0:68e64068330f 242 //
whismanoid 0:68e64068330f 243 //~ digitalWrite(Scope_Trigger_Pin, LOW); // diagnostic Scope_Trigger_Pin
whismanoid 0:68e64068330f 244 //
whismanoid 0:68e64068330f 245 unsigned int numBytesTransferred = m_spi.write(mosiData, byteCount, misoData, byteCount);
whismanoid 0:68e64068330f 246 //~ m_spi.transfer(mosiData8_FF0000);
whismanoid 0:68e64068330f 247 //~ m_spi.transfer(mosiData16_00FF00);
whismanoid 0:68e64068330f 248 //~ m_spi.transfer(mosiData16_0000FF);
whismanoid 0:68e64068330f 249 //
whismanoid 0:68e64068330f 250 //~ digitalWrite(Scope_Trigger_Pin, HIGH); // diagnostic Scope_Trigger_Pin
whismanoid 0:68e64068330f 251 //
whismanoid 0:68e64068330f 252 // Arduino: begin critical section: noInterrupts() masks all interrupt sources; end critical section with interrupts()
whismanoid 0:68e64068330f 253 //~ interrupts();
whismanoid 0:68e64068330f 254 // Optional Diagnostic function to print SPI transactions
whismanoid 0:68e64068330f 255 if (onSPIprint)
whismanoid 0:68e64068330f 256 {
whismanoid 0:68e64068330f 257 onSPIprint(byteCount, (uint8_t*)mosiData, (uint8_t*)misoData);
whismanoid 0:68e64068330f 258 }
whismanoid 0:68e64068330f 259 //
whismanoid 0:68e64068330f 260 // VERIFY: SPIwrite24bits print diagnostic information
whismanoid 0:68e64068330f 261 //cmdLine.serial().printf(" MOSI->"));
whismanoid 0:68e64068330f 262 //cmdLine.serial().printf(" 0x"));
whismanoid 0:68e64068330f 263 //Serial.print( (mosiData8_FF0000 & 0xFF), HEX);
whismanoid 0:68e64068330f 264 //cmdLine.serial().printf(" 0x"));
whismanoid 0:68e64068330f 265 //Serial.print( (mosiData16_00FF00 & 0xFF), HEX);
whismanoid 0:68e64068330f 266 //cmdLine.serial().printf(" 0x"));
whismanoid 0:68e64068330f 267 //Serial.print( (mosiData16_0000FF & 0xFF), HEX);
whismanoid 0:68e64068330f 268 // hex dump mosiData[0..byteCount-1]
whismanoid 0:68e64068330f 269 #if 0 // HAS_MICROUSBSERIAL
whismanoid 0:68e64068330f 270 cmdLine_microUSBserial.serial().printf("\r\nSPI");
whismanoid 0:68e64068330f 271 if (byteCount > 7) {
whismanoid 0:68e64068330f 272 cmdLine_microUSBserial.serial().printf(" byteCount:%d", byteCount);
whismanoid 0:68e64068330f 273 }
whismanoid 0:68e64068330f 274 cmdLine_microUSBserial.serial().printf(" MOSI->");
whismanoid 0:68e64068330f 275 for (unsigned int byteIndex = 0; byteIndex < byteCount; byteIndex++)
whismanoid 0:68e64068330f 276 {
whismanoid 0:68e64068330f 277 cmdLine_microUSBserial.serial().printf(" 0x%2.2X", mosiData[byteIndex]);
whismanoid 0:68e64068330f 278 }
whismanoid 0:68e64068330f 279 // hex dump misoData[0..byteCount-1]
whismanoid 0:68e64068330f 280 cmdLine_microUSBserial.serial().printf(" MISO<-");
whismanoid 0:68e64068330f 281 for (unsigned int byteIndex = 0; byteIndex < numBytesTransferred; byteIndex++)
whismanoid 0:68e64068330f 282 {
whismanoid 0:68e64068330f 283 cmdLine_microUSBserial.serial().printf(" 0x%2.2X", misoData[byteIndex]);
whismanoid 0:68e64068330f 284 }
whismanoid 0:68e64068330f 285 cmdLine_microUSBserial.serial().printf(" ");
whismanoid 0:68e64068330f 286 #endif
whismanoid 0:68e64068330f 287 #if 0 // HAS_DAPLINK_SERIAL
whismanoid 0:68e64068330f 288 cmdLine_DAPLINKserial.serial().printf("\r\nSPI");
whismanoid 0:68e64068330f 289 if (byteCount > 7) {
whismanoid 0:68e64068330f 290 cmdLine_DAPLINKserial.serial().printf(" byteCount:%d", byteCount);
whismanoid 0:68e64068330f 291 }
whismanoid 0:68e64068330f 292 cmdLine_DAPLINKserial.serial().printf(" MOSI->");
whismanoid 0:68e64068330f 293 for (unsigned int byteIndex = 0; byteIndex < byteCount; byteIndex++)
whismanoid 0:68e64068330f 294 {
whismanoid 0:68e64068330f 295 cmdLine_DAPLINKserial.serial().printf(" 0x%2.2X", mosiData[byteIndex]);
whismanoid 0:68e64068330f 296 }
whismanoid 0:68e64068330f 297 // hex dump misoData[0..byteCount-1]
whismanoid 0:68e64068330f 298 cmdLine_DAPLINKserial.serial().printf(" MISO<-");
whismanoid 0:68e64068330f 299 for (unsigned int byteIndex = 0; byteIndex < numBytesTransferred; byteIndex++)
whismanoid 0:68e64068330f 300 {
whismanoid 0:68e64068330f 301 cmdLine_DAPLINKserial.serial().printf(" 0x%2.2X", misoData[byteIndex]);
whismanoid 0:68e64068330f 302 }
whismanoid 0:68e64068330f 303 cmdLine_DAPLINKserial.serial().printf(" ");
whismanoid 0:68e64068330f 304 #endif
whismanoid 0:68e64068330f 305 // VERIFY: DIAGNOSTIC: print MAX5715 device register write
whismanoid 0:68e64068330f 306 // TODO: MAX5715_print_register_verbose(mosiData8_FF0000, mosiData16_00FFFF);
whismanoid 0:68e64068330f 307 // TODO: print_verbose_SPI_diagnostic(mosiData16_FF00, mosiData16_00FF, misoData16_FF00, misoData16_00FF);
whismanoid 0:68e64068330f 308 //
whismanoid 0:68e64068330f 309 //int misoData16 = (misoData16_FF00 << 8) | misoData16_00FF;
whismanoid 0:68e64068330f 310 int misoData16 = (misoData[0] << 8) | misoData[1];
whismanoid 0:68e64068330f 311 return misoData16;
whismanoid 0:68e64068330f 312 }
whismanoid 0:68e64068330f 313
whismanoid 0:68e64068330f 314 // CODE GENERATOR: extern function requirement MAX11410::SPIreadWrite32bits
whismanoid 0:68e64068330f 315 // SPI read and write 32 bits
whismanoid 0:68e64068330f 316 // SPI interface to MAX11410 shift 32 bits mosiData into MAX11410 DIN
whismanoid 0:68e64068330f 317 // while simultaneously capturing 32 bits miso data from MAX11410 DOUT
whismanoid 0:68e64068330f 318 //
whismanoid 0:68e64068330f 319 int32_t MAX11410::SPIreadWrite32bits(int32_t mosiData32)
whismanoid 0:68e64068330f 320 {
whismanoid 0:68e64068330f 321 // CODE GENERATOR: extern function definition for function SPIreadWrite32bits
whismanoid 0:68e64068330f 322 // TODO1: CODE GENERATOR: extern function definition for standard SPI interface function SPIreadWrite32bits(int32_t mosiData32)
whismanoid 0:68e64068330f 323 size_t byteCount = 4;
whismanoid 0:68e64068330f 324 static char mosiData[4];
whismanoid 0:68e64068330f 325 static char misoData[4];
whismanoid 0:68e64068330f 326 mosiData[0] = (char)((mosiData32 >> 24) & 0xFF); // MSByte
whismanoid 0:68e64068330f 327 mosiData[1] = (char)((mosiData32 >> 16) & 0xFF);
whismanoid 0:68e64068330f 328 mosiData[2] = (char)((mosiData32 >> 8) & 0xFF);
whismanoid 0:68e64068330f 329 mosiData[3] = (char)((mosiData32 >> 0) & 0xFF); // LSByte
whismanoid 0:68e64068330f 330 //
whismanoid 0:68e64068330f 331 // Arduino: begin critical section: noInterrupts() masks all interrupt sources; end critical section with interrupts()
whismanoid 0:68e64068330f 332 //~ noInterrupts();
whismanoid 0:68e64068330f 333 //
whismanoid 0:68e64068330f 334 //~ digitalWrite(Scope_Trigger_Pin, LOW); // diagnostic Scope_Trigger_Pin
whismanoid 0:68e64068330f 335 //
whismanoid 0:68e64068330f 336 unsigned int numBytesTransferred = m_spi.write(mosiData, byteCount, misoData, byteCount);
whismanoid 0:68e64068330f 337 //~ m_spi.transfer(mosiData8_FF0000);
whismanoid 0:68e64068330f 338 //~ m_spi.transfer(mosiData16_00FF00);
whismanoid 0:68e64068330f 339 //~ m_spi.transfer(mosiData16_0000FF);
whismanoid 0:68e64068330f 340 //
whismanoid 0:68e64068330f 341 //~ digitalWrite(Scope_Trigger_Pin, HIGH); // diagnostic Scope_Trigger_Pin
whismanoid 0:68e64068330f 342 //
whismanoid 0:68e64068330f 343 // Arduino: begin critical section: noInterrupts() masks all interrupt sources; end critical section with interrupts()
whismanoid 0:68e64068330f 344 //~ interrupts();
whismanoid 0:68e64068330f 345 // Optional Diagnostic function to print SPI transactions
whismanoid 0:68e64068330f 346 if (onSPIprint)
whismanoid 0:68e64068330f 347 {
whismanoid 0:68e64068330f 348 onSPIprint(byteCount, (uint8_t*)mosiData, (uint8_t*)misoData);
whismanoid 0:68e64068330f 349 }
whismanoid 0:68e64068330f 350 //
whismanoid 0:68e64068330f 351 // VERIFY: SPIwrite24bits print diagnostic information
whismanoid 0:68e64068330f 352 //cmdLine.serial().printf(" MOSI->"));
whismanoid 0:68e64068330f 353 //cmdLine.serial().printf(" 0x"));
whismanoid 0:68e64068330f 354 //Serial.print( (mosiData8_FF0000 & 0xFF), HEX);
whismanoid 0:68e64068330f 355 //cmdLine.serial().printf(" 0x"));
whismanoid 0:68e64068330f 356 //Serial.print( (mosiData16_00FF00 & 0xFF), HEX);
whismanoid 0:68e64068330f 357 //cmdLine.serial().printf(" 0x"));
whismanoid 0:68e64068330f 358 //Serial.print( (mosiData16_0000FF & 0xFF), HEX);
whismanoid 0:68e64068330f 359 // hex dump mosiData[0..byteCount-1]
whismanoid 0:68e64068330f 360 #if 0 // HAS_MICROUSBSERIAL
whismanoid 0:68e64068330f 361 cmdLine_microUSBserial.serial().printf("\r\nSPI");
whismanoid 0:68e64068330f 362 if (byteCount > 7) {
whismanoid 0:68e64068330f 363 cmdLine_microUSBserial.serial().printf(" byteCount:%d", byteCount);
whismanoid 0:68e64068330f 364 }
whismanoid 0:68e64068330f 365 cmdLine_microUSBserial.serial().printf(" MOSI->");
whismanoid 0:68e64068330f 366 for (unsigned int byteIndex = 0; byteIndex < byteCount; byteIndex++)
whismanoid 0:68e64068330f 367 {
whismanoid 0:68e64068330f 368 cmdLine_microUSBserial.serial().printf(" 0x%2.2X", mosiData[byteIndex]);
whismanoid 0:68e64068330f 369 }
whismanoid 0:68e64068330f 370 // hex dump misoData[0..byteCount-1]
whismanoid 0:68e64068330f 371 cmdLine_microUSBserial.serial().printf(" MISO<-");
whismanoid 0:68e64068330f 372 for (unsigned int byteIndex = 0; byteIndex < numBytesTransferred; byteIndex++)
whismanoid 0:68e64068330f 373 {
whismanoid 0:68e64068330f 374 cmdLine_microUSBserial.serial().printf(" 0x%2.2X", misoData[byteIndex]);
whismanoid 0:68e64068330f 375 }
whismanoid 0:68e64068330f 376 cmdLine_microUSBserial.serial().printf(" ");
whismanoid 0:68e64068330f 377 #endif
whismanoid 0:68e64068330f 378 #if 0 // HAS_DAPLINK_SERIAL
whismanoid 0:68e64068330f 379 cmdLine_DAPLINKserial.serial().printf("\r\nSPI");
whismanoid 0:68e64068330f 380 if (byteCount > 7) {
whismanoid 0:68e64068330f 381 cmdLine_DAPLINKserial.serial().printf(" byteCount:%d", byteCount);
whismanoid 0:68e64068330f 382 }
whismanoid 0:68e64068330f 383 cmdLine_DAPLINKserial.serial().printf(" MOSI->");
whismanoid 0:68e64068330f 384 for (unsigned int byteIndex = 0; byteIndex < byteCount; byteIndex++)
whismanoid 0:68e64068330f 385 {
whismanoid 0:68e64068330f 386 cmdLine_DAPLINKserial.serial().printf(" 0x%2.2X", mosiData[byteIndex]);
whismanoid 0:68e64068330f 387 }
whismanoid 0:68e64068330f 388 // hex dump misoData[0..byteCount-1]
whismanoid 0:68e64068330f 389 cmdLine_DAPLINKserial.serial().printf(" MISO<-");
whismanoid 0:68e64068330f 390 for (unsigned int byteIndex = 0; byteIndex < numBytesTransferred; byteIndex++)
whismanoid 0:68e64068330f 391 {
whismanoid 0:68e64068330f 392 cmdLine_DAPLINKserial.serial().printf(" 0x%2.2X", misoData[byteIndex]);
whismanoid 0:68e64068330f 393 }
whismanoid 0:68e64068330f 394 cmdLine_DAPLINKserial.serial().printf(" ");
whismanoid 0:68e64068330f 395 #endif
whismanoid 0:68e64068330f 396 // VERIFY: DIAGNOSTIC: print MAX5715 device register write
whismanoid 0:68e64068330f 397 // TODO: MAX5715_print_register_verbose(mosiData8_FF0000, mosiData16_00FFFF);
whismanoid 0:68e64068330f 398 // TODO: print_verbose_SPI_diagnostic(mosiData16_FF00, mosiData16_00FF, misoData16_FF00, misoData16_00FF);
whismanoid 0:68e64068330f 399 //
whismanoid 0:68e64068330f 400 //int misoData32 = (misoData32_FF000000 << 24) | (misoData32_FF0000 << 16) | (misoData32_0000FF00 << 8) | misoData32_000000FF;
whismanoid 0:68e64068330f 401 int misoData32 = (misoData[0] << 24) | (misoData[1] << 16) | (misoData[2] << 8) | misoData[3];
whismanoid 0:68e64068330f 402 return misoData32;
whismanoid 0:68e64068330f 403 }
whismanoid 0:68e64068330f 404
whismanoid 0:68e64068330f 405 // CODE GENERATOR: class member function definitions
whismanoid 0:68e64068330f 406 //----------------------------------------
whismanoid 0:68e64068330f 407 // Menu item '!'
whismanoid 0:68e64068330f 408 // Initialize device
whismanoid 19:50cf5da53d36 409 //
whismanoid 19:50cf5da53d36 410 // TODO1: #169 MAX11410 Self Test for Test Fixture Firmware
whismanoid 19:50cf5da53d36 411 // @test Init() expect 1
whismanoid 19:50cf5da53d36 412 //
whismanoid 19:50cf5da53d36 413 // @future test xxxxxx // comment
whismanoid 19:50cf5da53d36 414 //
whismanoid 19:50cf5da53d36 415 // TODO1: #169 SelfTest support RegRead
whismanoid 20:fb7527415308 416 // @future test tinyTester.print("PART_ID value")
whismanoid 20:fb7527415308 417 // @test RegRead(MAX11410::CMD_r001_0001_xxxx_xxxx_xxxx_xxxx_xxxx_xddd_PART_ID, buffer) expect 1 expect-buffer 0x000F02
whismanoid 20:fb7527415308 418 //
whismanoid 20:fb7527415308 419 // @future test tinyTester.print("POR value 0x04 CMD_r000_0100_dddd_xddd_GP0_CTRL")
whismanoid 20:fb7527415308 420 // @test RegRead(MAX11410::CMD_r000_0100_dddd_xddd_GP0_CTRL, buffer) expect 1 expect-buffer 0x00
whismanoid 20:fb7527415308 421 //
whismanoid 20:fb7527415308 422 // @future test tinyTester.print("POR value 0x05 CMD_r000_0101_dddd_xddd_GP1_CTRL")
whismanoid 20:fb7527415308 423 // @test RegRead(MAX11410::CMD_r000_0101_dddd_xddd_GP1_CTRL, buffer) expect 1 expect-buffer 0x00
whismanoid 20:fb7527415308 424 //
whismanoid 20:fb7527415308 425 // @future test tinyTester.print("POR value 0x07 CMD_r000_0111_xddd_dddd_GP_SEQ_ADDR")
whismanoid 20:fb7527415308 426 // @test RegRead(MAX11410::CMD_r000_0111_xddd_dddd_GP_SEQ_ADDR, buffer) expect 1 expect-buffer 0x00003a
whismanoid 19:50cf5da53d36 427 //
whismanoid 19:50cf5da53d36 428 // TODO1: #169 SelfTest support RegWrite and custom enum types
whismanoid 20:fb7527415308 429 // @future test tinyTester.print("POR value 0x08 CMD_r000_1000_x0dd_dddd_FILTER")
whismanoid 20:fb7527415308 430 // @test RegRead(MAX11410::CMD_r000_1000_x0dd_dddd_FILTER, buffer) expect 1 expect-buffer 0x00
whismanoid 20:fb7527415308 431 // could also be stated as RegRead(0x08, buffer) expect 1 expect-buffer 0x00
whismanoid 20:fb7527415308 432 //
whismanoid 20:fb7527415308 433 // @future test tinyTester.print("POR value 0x09 CMD_r000_1001_dddd_dddd_CTRL")
whismanoid 20:fb7527415308 434 // @test RegRead(MAX11410::CMD_r000_1001_dddd_dddd_CTRL, buffer) expect 1 expect-buffer 0x000001
whismanoid 20:fb7527415308 435 //
whismanoid 20:fb7527415308 436 // @future test tinyTester.print("POR value 0x0a CMD_r000_1010_dddd_dddd_SOURCE")
whismanoid 20:fb7527415308 437 // @test RegRead(MAX11410::CMD_r000_1010_dddd_dddd_SOURCE, buffer) expect 1 expect-buffer 0x00
whismanoid 20:fb7527415308 438 //
whismanoid 20:fb7527415308 439 // @future test tinyTester.print("POR value 0x0b CMD_r000_1011_dddd_dddd_MUX_CTRL0")
whismanoid 20:fb7527415308 440 // @test RegRead(MAX11410::CMD_r000_1011_dddd_dddd_MUX_CTRL0, buffer) expect 1 expect-buffer 0x0000ff
whismanoid 20:fb7527415308 441 //
whismanoid 20:fb7527415308 442 // @future test tinyTester.print("POR value 0x0c CMD_r000_1100_dddd_dddd_MUX_CTRL1")
whismanoid 20:fb7527415308 443 // @test RegRead(MAX11410::CMD_r000_1100_dddd_dddd_MUX_CTRL1, buffer) expect 1 expect-buffer 0x0000ff
whismanoid 20:fb7527415308 444 //
whismanoid 20:fb7527415308 445 // @future test tinyTester.print("POR value 0x0d CMD_r000_1101_dddd_dddd_MUX_CTRL2")
whismanoid 20:fb7527415308 446 // @test RegRead(MAX11410::CMD_r000_1101_dddd_dddd_MUX_CTRL2, buffer) expect 1 expect-buffer 0x00
whismanoid 20:fb7527415308 447 //
whismanoid 20:fb7527415308 448 // @future test tinyTester.print("POR value 0x0e CMD_r000_1110_xxdd_xddd_PGA")
whismanoid 20:fb7527415308 449 // @test RegRead(MAX11410::CMD_r000_1110_xxdd_xddd_PGA, buffer) expect 1 expect-buffer 0x00
whismanoid 20:fb7527415308 450 //
whismanoid 20:fb7527415308 451 // @future test CMD_r000_1111_dddd_dddd_WAIT_EXT = 0x0f, //!< 0b0001111
whismanoid 20:fb7527415308 452 // @future test CMD_r001_0000_xxxx_xxxx_WAIT_START = 0x10, //!< 0b0010000
whismanoid 20:fb7527415308 453 //
whismanoid 20:fb7527415308 454 //
whismanoid 20:fb7527415308 455 //
whismanoid 20:fb7527415308 456 //
whismanoid 19:50cf5da53d36 457 // @test tinyTester.print("check filter register is writeable")
whismanoid 19:50cf5da53d36 458 // @future test tinyTester.print("this is a real mess dealing with the custom types")
whismanoid 19:50cf5da53d36 459 // @test RegWrite(0x08, 0x34) expect 1
whismanoid 19:50cf5da53d36 460 // @future test tinyTester.print("error: no matching function for call to 'MaximTinyTester::FunctionCall_Expect(const char [18], uint8_t (&)(MAX11410::CMD_enum_t, uint32_t), MAX11410::CMD_enum_t, uint32_t, int)'")
whismanoid 19:50cf5da53d36 461 // @future test RegWrite(CMD_r000_1000_x0dd_dddd_FILTER, 0x34) expect 1
whismanoid 19:50cf5da53d36 462 // @future test RegWrite(CMD_enum_t::CMD_r000_1000_x0dd_dddd_FILTER, 0x34) expect 1
whismanoid 19:50cf5da53d36 463 // @future test RegWrite(MAX11410::CMD_enum_t::CMD_r000_1000_x0dd_dddd_FILTER, 0x34) expect 1
whismanoid 19:50cf5da53d36 464 //
whismanoid 19:50cf5da53d36 465 // TODO1: #169 SelfTest support RegRead
whismanoid 19:50cf5da53d36 466 // @test tinyTester.print("check filter register is readable")
whismanoid 19:50cf5da53d36 467 // @test RegRead(0x08, buffer) expect 1 expect-buffer 0x34
whismanoid 19:50cf5da53d36 468 // @future test RegRead(MAX11410::CMD_enum_t::CMD_r000_1000_x0dd_dddd_FILTER, &buffer) expect 1 expect-buffer 0x34
whismanoid 19:50cf5da53d36 469 //
whismanoid 19:50cf5da53d36 470 // @test tinyTester.settle_time_msec = 250 // default 250
whismanoid 19:50cf5da53d36 471 // @test tinyTester.blink_time_msec = 75 // default 75 resume hardware self test
whismanoid 19:50cf5da53d36 472 // @test tinyTester.input_timeout_time_msec = 250 // default 250
whismanoid 19:50cf5da53d36 473 // @test tinyTester.settle_time_msec = 20 // default 250
whismanoid 19:50cf5da53d36 474 // @test tinyTester.blink_time_msec = 20 // quickly speed through the software verification
whismanoid 19:50cf5da53d36 475 // @test tinyTester.input_timeout_time_msec = 100 // default 250
whismanoid 19:50cf5da53d36 476 //
whismanoid 19:50cf5da53d36 477 // @test tinyTester.Wait_Output_Settling()
whismanoid 19:50cf5da53d36 478 //
whismanoid 19:50cf5da53d36 479 // @future test tinyTester.DigitalIn_Read_Expect_WarnOnly(DigitalIn& digitalInPin, const char* pinName, int expect_result, const char *expect_description)
whismanoid 19:50cf5da53d36 480 //
whismanoid 19:50cf5da53d36 481 // TODO1: #169 SelfTest support tinyTester.max541.Set_Code
whismanoid 19:50cf5da53d36 482 // @future test tinyTester.max541.Set_Code(0x8000)
whismanoid 19:50cf5da53d36 483 //
whismanoid 0:68e64068330f 484 // @return 1 on success; 0 on failure
whismanoid 0:68e64068330f 485 uint8_t MAX11410::Init(void)
whismanoid 0:68e64068330f 486 {
whismanoid 0:68e64068330f 487
whismanoid 0:68e64068330f 488 //----------------------------------------
whismanoid 1:d57c1a2cb83c 489 // AIN0-AIN1 reference voltage, in Volts
whismanoid 1:d57c1a2cb83c 490 VRef_REF0 = 2.500;
whismanoid 1:d57c1a2cb83c 491
whismanoid 1:d57c1a2cb83c 492 //----------------------------------------
whismanoid 1:d57c1a2cb83c 493 // REF1P-REF1N reference resistance, in Ohms
whismanoid 1:d57c1a2cb83c 494 VRef_REF1 = 4999;
whismanoid 1:d57c1a2cb83c 495
whismanoid 1:d57c1a2cb83c 496 //----------------------------------------
whismanoid 1:d57c1a2cb83c 497 // REF2P-REF2N reference voltage, in Volts
whismanoid 1:d57c1a2cb83c 498 VRef_REF2 = 2.500;
whismanoid 1:d57c1a2cb83c 499
whismanoid 1:d57c1a2cb83c 500 //----------------------------------------
whismanoid 1:d57c1a2cb83c 501 // AVDD-AGND supply voltage, in Volts
whismanoid 1:d57c1a2cb83c 502 VRef_AVDD = 3.300;
whismanoid 1:d57c1a2cb83c 503
whismanoid 1:d57c1a2cb83c 504 //----------------------------------------
whismanoid 5:a2e74357cfc0 505 // RTD Resistance measurement; Thermocouple Cold Junction, in Ohms
whismanoid 5:a2e74357cfc0 506 rtd_resistance = 1000.0;
whismanoid 5:a2e74357cfc0 507
whismanoid 5:a2e74357cfc0 508 //----------------------------------------
whismanoid 3:658a93dfb2d8 509 // Temperature calculated from RTD Resistance; Thermocouple Cold Junction, in degrees C
whismanoid 3:658a93dfb2d8 510 RTD_Temperature = 25.0;
whismanoid 3:658a93dfb2d8 511
whismanoid 3:658a93dfb2d8 512 //----------------------------------------
whismanoid 1:d57c1a2cb83c 513 // shadow of register ctrl CMD_r000_1001_dddd_dddd_CTRL
whismanoid 1:d57c1a2cb83c 514 ctrl = 0x01;
whismanoid 1:d57c1a2cb83c 515
whismanoid 1:d57c1a2cb83c 516 //----------------------------------------
whismanoid 9:06ca88952f1c 517 // set by Configure_PGA gain index register pga CMD_r000_1110_xxdd_xddd_PGA
whismanoid 9:06ca88952f1c 518 pgaGain = 1;
whismanoid 9:06ca88952f1c 519
whismanoid 9:06ca88952f1c 520 //----------------------------------------
whismanoid 21:847b2220e96e 521 // When driver polls status of a pin signal or a register status bit,
whismanoid 21:847b2220e96e 522 // and there is no device physically connected, the driver must
whismanoid 21:847b2220e96e 523 // be able to halt and report failure if too many tries. Each attempt
whismanoid 21:847b2220e96e 524 // counts down until futility_countdown_limit is reached or exceeded.
whismanoid 21:847b2220e96e 525 //
whismanoid 21:847b2220e96e 526 // If driver seems to hang or takes too long to decide that device
whismanoid 21:847b2220e96e 527 // is not connected, reduce the futility countdown limit value.
whismanoid 21:847b2220e96e 528 //
whismanoid 21:847b2220e96e 529 // If driver sometimes works but sometimes intermittently fails to
whismanoid 21:847b2220e96e 530 // recognize device is attached, increase the futility countdown limit.
whismanoid 21:847b2220e96e 531 futility_countdown_limit = 30;
whismanoid 21:847b2220e96e 532
whismanoid 21:847b2220e96e 533 //----------------------------------------
whismanoid 21:847b2220e96e 534 // list of registers to be read by menu item * with no arguments
whismanoid 21:847b2220e96e 535 static MAX11410::MAX11410_CMD_enum_t readAllStatusListValues[] = {
whismanoid 21:847b2220e96e 536 MAX11410::CMD_r000_0000_xxxx_xxdd_PD,
whismanoid 21:847b2220e96e 537 MAX11410::CMD_r000_0001_xddd_xxdd_CONV_START,
whismanoid 21:847b2220e96e 538 MAX11410::CMD_r000_0010_xddd_dddd_SEQ_START,
whismanoid 21:847b2220e96e 539 MAX11410::CMD_r000_0011_xxxx_xddd_CAL_START,
whismanoid 21:847b2220e96e 540 MAX11410::CMD_r000_0100_dddd_xddd_GP0_CTRL,
whismanoid 21:847b2220e96e 541 MAX11410::CMD_r000_0101_dddd_xddd_GP1_CTRL,
whismanoid 21:847b2220e96e 542 MAX11410::CMD_r000_0110_xddd_xxdd_GP_CONV,
whismanoid 21:847b2220e96e 543 MAX11410::CMD_r000_0111_xddd_dddd_GP_SEQ_ADDR,
whismanoid 21:847b2220e96e 544 MAX11410::CMD_r000_1000_x0dd_dddd_FILTER,
whismanoid 21:847b2220e96e 545 MAX11410::CMD_r000_1001_dddd_dddd_CTRL,
whismanoid 21:847b2220e96e 546 MAX11410::CMD_r000_1010_dddd_dddd_SOURCE,
whismanoid 21:847b2220e96e 547 MAX11410::CMD_r000_1011_dddd_dddd_MUX_CTRL0,
whismanoid 21:847b2220e96e 548 MAX11410::CMD_r000_1100_dddd_dddd_MUX_CTRL1,
whismanoid 21:847b2220e96e 549 MAX11410::CMD_r000_1101_dddd_dddd_MUX_CTRL2,
whismanoid 21:847b2220e96e 550 MAX11410::CMD_r000_1110_xxdd_xddd_PGA,
whismanoid 21:847b2220e96e 551 MAX11410::CMD_r000_1111_dddd_dddd_WAIT_EXT,
whismanoid 21:847b2220e96e 552 MAX11410::CMD_r001_0000_xxxx_xxxx_WAIT_START,
whismanoid 21:847b2220e96e 553 };
whismanoid 21:847b2220e96e 554 readAllStatusList = readAllStatusListValues;
whismanoid 21:847b2220e96e 555
whismanoid 21:847b2220e96e 556 //----------------------------------------
whismanoid 21:847b2220e96e 557 // number of registers to be read by menu item * with no arguments
whismanoid 21:847b2220e96e 558 readAllStatusListLen = 17;
whismanoid 21:847b2220e96e 559
whismanoid 21:847b2220e96e 560 //----------------------------------------
whismanoid 9:06ca88952f1c 561 // Device ID Validation
whismanoid 9:06ca88952f1c 562 const uint32_t part_id_expect = 0x000F02;
whismanoid 9:06ca88952f1c 563 uint32_t part_id_readback;
whismanoid 9:06ca88952f1c 564 RegRead(CMD_r001_0001_xxxx_xxxx_xxxx_xxxx_xxxx_xddd_PART_ID, &part_id_readback);
whismanoid 9:06ca88952f1c 565 if (part_id_readback != part_id_expect) return 0;
whismanoid 9:06ca88952f1c 566
whismanoid 9:06ca88952f1c 567 //----------------------------------------
whismanoid 1:d57c1a2cb83c 568 // write8 0x00 PD = 0x03 (Reset Registers; enter Standby mode)
whismanoid 1:d57c1a2cb83c 569 RegWrite(CMD_r000_0000_xxxx_xxdd_PD, PD_11_Reset);
whismanoid 1:d57c1a2cb83c 570
whismanoid 1:d57c1a2cb83c 571 //----------------------------------------
whismanoid 1:d57c1a2cb83c 572 // write8 0x00 PD = 0x00 (NOP)
whismanoid 1:d57c1a2cb83c 573 RegWrite(CMD_r000_0000_xxxx_xxdd_PD, PD_00_Normal);
whismanoid 0:68e64068330f 574
whismanoid 0:68e64068330f 575 //----------------------------------------
whismanoid 0:68e64068330f 576 // success
whismanoid 0:68e64068330f 577 return 1;
whismanoid 0:68e64068330f 578 }
whismanoid 0:68e64068330f 579
whismanoid 0:68e64068330f 580 //----------------------------------------
whismanoid 1:d57c1a2cb83c 581 // Return the physical voltage corresponding to conversion result,
whismanoid 1:d57c1a2cb83c 582 // for unipolar mode.
whismanoid 0:68e64068330f 583 // Does not perform any offset or gain correction.
whismanoid 0:68e64068330f 584 //
whismanoid 1:d57c1a2cb83c 585 // @pre CTRL::U_BN = 1 -- Unipolar mode
whismanoid 1:d57c1a2cb83c 586 // @pre CTRL::FORMAT = x
whismanoid 0:68e64068330f 587 // @pre VRef = Voltage of REF input, in Volts
whismanoid 0:68e64068330f 588 // @param[in] value_u24: raw 24-bit MAX11410 code (right justified).
whismanoid 0:68e64068330f 589 // @return physical voltage corresponding to MAX11410 code.
whismanoid 14:b49eecf7e4d8 590 //
whismanoid 21:847b2220e96e 591 // @test group UNIPOLAR // Verify function VoltageOfCode_Unipolar
whismanoid 21:847b2220e96e 592 // @test group UNIPOLAR tinyTester.blink_time_msec = 20 // quickly speed through the software verification
whismanoid 21:847b2220e96e 593 // @test group UNIPOLAR Configure_CTRL_REF(2) expect 1 // These tests require REF2 = 2.500V
whismanoid 21:847b2220e96e 594 // @test group UNIPOLAR Configure_PGA(0,0) expect 1 // These tests require PGA gain=1
whismanoid 19:50cf5da53d36 595 // @test group UNIPOLAR VoltageOfCode_Unipolar(0xFFFFFF) expect 2.500 within 0.030 // Full Scale
whismanoid 19:50cf5da53d36 596 // @test group UNIPOLAR VoltageOfCode_Unipolar(0xFFFFFE) expect 2.500 // Full Scale
whismanoid 19:50cf5da53d36 597 // @test group UNIPOLAR VoltageOfCode_Unipolar(0xCCCCCC) expect 2.000 // Two Volts
whismanoid 19:50cf5da53d36 598 // @test group UNIPOLAR VoltageOfCode_Unipolar(0xC00000) expect 1.875 // 75% Scale
whismanoid 19:50cf5da53d36 599 // @test group UNIPOLAR VoltageOfCode_Unipolar(0x800000) expect 1.250 // Mid Scale
whismanoid 19:50cf5da53d36 600 // @test group UNIPOLAR VoltageOfCode_Unipolar(0x666666) expect 1.000 // One Volt
whismanoid 19:50cf5da53d36 601 // @test group UNIPOLAR VoltageOfCode_Unipolar(0x400000) expect 0.625 // 25% Scale
whismanoid 19:50cf5da53d36 602 // @test group UNIPOLAR VoltageOfCode_Unipolar(0x0A3D70) expect 0.100 // 100mV
whismanoid 19:50cf5da53d36 603 // @test group UNIPOLAR VoltageOfCode_Unipolar(0x000064) expect 0.000014901162 // 100 LSB
whismanoid 19:50cf5da53d36 604 // @test group UNIPOLAR VoltageOfCode_Unipolar(0x00000A) expect 0.0000014901162 // Ten LSB
whismanoid 19:50cf5da53d36 605 // @test group UNIPOLAR VoltageOfCode_Unipolar(0x000003) expect 0.00000044703483 // Three LSB
whismanoid 19:50cf5da53d36 606 // @test group UNIPOLAR VoltageOfCode_Unipolar(0x000002) expect 0.00000029802326 // Two LSB
whismanoid 19:50cf5da53d36 607 // @test group UNIPOLAR VoltageOfCode_Unipolar(0x000001) expect 0.00000014901162 // One LSB
whismanoid 19:50cf5da53d36 608 // @test group UNIPOLAR VoltageOfCode_Unipolar(0x000000) expect 0.0 // Zero Scale
whismanoid 21:847b2220e96e 609 // @test group UNIPOLAR tinyTester.blink_time_msec = 75 // default 75 resume hardware self test
whismanoid 1:d57c1a2cb83c 610 //
whismanoid 1:d57c1a2cb83c 611 double MAX11410::VoltageOfCode_Unipolar(uint32_t value_u24)
whismanoid 0:68e64068330f 612 {
whismanoid 0:68e64068330f 613
whismanoid 0:68e64068330f 614 //----------------------------------------
whismanoid 0:68e64068330f 615 // Linear map min and max endpoints
whismanoid 1:d57c1a2cb83c 616 double VRef = VRef_REF2;
whismanoid 1:d57c1a2cb83c 617 uint8_t ref_sel = (ctrl & 0x03); // MAX11410_REF_SEL_enum_t
whismanoid 1:d57c1a2cb83c 618 switch(ref_sel)
whismanoid 1:d57c1a2cb83c 619 {
whismanoid 1:d57c1a2cb83c 620 case REF_SEL_000_AIN0_AIN1: VRef = VRef_REF0; break;
whismanoid 1:d57c1a2cb83c 621 case REF_SEL_001_REF1P_REF1N: VRef = VRef_REF1; break;
whismanoid 1:d57c1a2cb83c 622 case REF_SEL_010_REF2P_REF2N: VRef = VRef_REF2; break;
whismanoid 1:d57c1a2cb83c 623 case REF_SEL_011_AVDD_AGND: VRef = VRef_AVDD; break;
whismanoid 1:d57c1a2cb83c 624 case REF_SEL_100_AIN0_AGND: VRef = VRef_REF0; break;
whismanoid 1:d57c1a2cb83c 625 case REF_SEL_101_REF1P_AGND: VRef = VRef_REF1; break;
whismanoid 1:d57c1a2cb83c 626 case REF_SEL_110_REF2P_AGND: VRef = VRef_REF2; break;
whismanoid 1:d57c1a2cb83c 627 case REF_SEL_111_AVDD_AGND: VRef = VRef_AVDD; break;
whismanoid 1:d57c1a2cb83c 628 }
whismanoid 0:68e64068330f 629 double MaxScaleVoltage = VRef; // voltage of maximum code 0xffffff
whismanoid 0:68e64068330f 630 double MinScaleVoltage = 0.0; // voltage of minimum code 0x000
whismanoid 0:68e64068330f 631 const uint32_t FULL_SCALE_CODE_24BIT = 0xffffff;
whismanoid 0:68e64068330f 632 const uint32_t MaxCode = FULL_SCALE_CODE_24BIT;
whismanoid 0:68e64068330f 633 const uint32_t MinCode = 0x000;
whismanoid 0:68e64068330f 634 double codeFraction = ((double)value_u24 - MinCode) / (MaxCode - MinCode + 1);
whismanoid 1:d57c1a2cb83c 635 return (MinScaleVoltage + ((MaxScaleVoltage - MinScaleVoltage) * codeFraction)) / pgaGain;
whismanoid 1:d57c1a2cb83c 636 }
whismanoid 1:d57c1a2cb83c 637
whismanoid 1:d57c1a2cb83c 638 //----------------------------------------
whismanoid 1:d57c1a2cb83c 639 // Return the physical voltage corresponding to conversion result,
whismanoid 1:d57c1a2cb83c 640 // when conversion format is Bipolar mode, offset binary.
whismanoid 1:d57c1a2cb83c 641 // Does not perform any offset or gain correction.
whismanoid 1:d57c1a2cb83c 642 //
whismanoid 1:d57c1a2cb83c 643 // @pre CTRL::U_BN = 0 -- Bipolar mode
whismanoid 1:d57c1a2cb83c 644 // @pre CTRL::FORMAT = 1 -- offset binary
whismanoid 1:d57c1a2cb83c 645 // @pre VRef = Voltage of REF input, in Volts
whismanoid 1:d57c1a2cb83c 646 // @param[in] value_u24: raw 24-bit MAX11410 code (right justified).
whismanoid 1:d57c1a2cb83c 647 // @return physical voltage corresponding to MAX11410 code.
whismanoid 14:b49eecf7e4d8 648 //
whismanoid 21:847b2220e96e 649 // @test group BIPOB // Verify function VoltageOfCode_Bipolar_OffsetBinary
whismanoid 21:847b2220e96e 650 // @test group BIPOB tinyTester.blink_time_msec = 20 // quickly speed through the software verification
whismanoid 21:847b2220e96e 651 // @test group BIPOB Configure_CTRL_REF(2) expect 1 // These tests require REF2 = 2.500V
whismanoid 21:847b2220e96e 652 // @test group BIPOB Configure_PGA(0,0) expect 1 // These tests require PGA gain=1
whismanoid 19:50cf5da53d36 653 // @test group BIPOB VoltageOfCode_Bipolar_OffsetBinary(0xFFFFFF) expect 2.5 within 0.030 // Full Scale
whismanoid 19:50cf5da53d36 654 // @test group BIPOB VoltageOfCode_Bipolar_OffsetBinary(0xFFFFFE) expect 2.5 // Full Scale
whismanoid 19:50cf5da53d36 655 // @test group BIPOB VoltageOfCode_Bipolar_OffsetBinary(0xC00000) expect 1.25 // Mid Scale
whismanoid 19:50cf5da53d36 656 // @test group BIPOB VoltageOfCode_Bipolar_OffsetBinary(0x800003) expect 0.00000894069671 // Three LSB
whismanoid 19:50cf5da53d36 657 // @test group BIPOB VoltageOfCode_Bipolar_OffsetBinary(0x800002) expect 0.00000596046447 // Two LSB
whismanoid 19:50cf5da53d36 658 // @test group BIPOB VoltageOfCode_Bipolar_OffsetBinary(0x800001) expect 0.0000029802326 // One LSB
whismanoid 19:50cf5da53d36 659 // @test group BIPOB VoltageOfCode_Bipolar_OffsetBinary(0x800000) expect 0.0 // Zero Scale
whismanoid 19:50cf5da53d36 660 // @test group BIPOB VoltageOfCode_Bipolar_OffsetBinary(0x7FFFFF) expect -0.0000029802326 // Negative One LSB
whismanoid 19:50cf5da53d36 661 // @test group BIPOB VoltageOfCode_Bipolar_OffsetBinary(0x7FFFFE) expect -0.0000059604644 // Negative Two LSB
whismanoid 19:50cf5da53d36 662 // @test group BIPOB VoltageOfCode_Bipolar_OffsetBinary(0x7FFFFD) expect -0.0000089406967 // Negative Three LSB
whismanoid 19:50cf5da53d36 663 // @test group BIPOB VoltageOfCode_Bipolar_OffsetBinary(0x400000) expect -1.25 // Negative Mid Scale
whismanoid 19:50cf5da53d36 664 // @test group BIPOB VoltageOfCode_Bipolar_OffsetBinary(0x000001) expect -2.5 // Negative Full Scale
whismanoid 19:50cf5da53d36 665 // @test group BIPOB VoltageOfCode_Bipolar_OffsetBinary(0x000000) expect -2.5 // Negative Full Scale
whismanoid 21:847b2220e96e 666 // @test group BIPOB tinyTester.blink_time_msec = 75 // default 75 resume hardware self test
whismanoid 1:d57c1a2cb83c 667 //
whismanoid 1:d57c1a2cb83c 668 double MAX11410::VoltageOfCode_Bipolar_OffsetBinary(uint32_t value_u24)
whismanoid 1:d57c1a2cb83c 669 {
whismanoid 1:d57c1a2cb83c 670
whismanoid 1:d57c1a2cb83c 671 //----------------------------------------
whismanoid 1:d57c1a2cb83c 672 // Linear map min and max endpoints
whismanoid 1:d57c1a2cb83c 673 double VRef = VRef_REF2;
whismanoid 1:d57c1a2cb83c 674 uint8_t ref_sel = (ctrl & 0x03); // MAX11410_REF_SEL_enum_t
whismanoid 1:d57c1a2cb83c 675 switch(ref_sel)
whismanoid 1:d57c1a2cb83c 676 {
whismanoid 1:d57c1a2cb83c 677 case REF_SEL_000_AIN0_AIN1: VRef = VRef_REF0; break;
whismanoid 1:d57c1a2cb83c 678 case REF_SEL_001_REF1P_REF1N: VRef = VRef_REF1; break;
whismanoid 1:d57c1a2cb83c 679 case REF_SEL_010_REF2P_REF2N: VRef = VRef_REF2; break;
whismanoid 1:d57c1a2cb83c 680 case REF_SEL_011_AVDD_AGND: VRef = VRef_AVDD; break;
whismanoid 1:d57c1a2cb83c 681 case REF_SEL_100_AIN0_AGND: VRef = VRef_REF0; break;
whismanoid 1:d57c1a2cb83c 682 case REF_SEL_101_REF1P_AGND: VRef = VRef_REF1; break;
whismanoid 1:d57c1a2cb83c 683 case REF_SEL_110_REF2P_AGND: VRef = VRef_REF2; break;
whismanoid 1:d57c1a2cb83c 684 case REF_SEL_111_AVDD_AGND: VRef = VRef_AVDD; break;
whismanoid 1:d57c1a2cb83c 685 }
whismanoid 1:d57c1a2cb83c 686 double MaxScaleVoltage = 2*VRef; // voltage of maximum code 0x7fffff
whismanoid 1:d57c1a2cb83c 687 double MinScaleVoltage = 0; // voltage of minimum code 0x800000;
whismanoid 1:d57c1a2cb83c 688 const uint32_t FULL_SCALE_CODE_24BIT = 0x7fffff;
whismanoid 1:d57c1a2cb83c 689 const uint32_t MaxCode = FULL_SCALE_CODE_24BIT;
whismanoid 1:d57c1a2cb83c 690 const int32_t CodeSpan = 0x1000000;
whismanoid 1:d57c1a2cb83c 691 const uint32_t MinCode = 0x800000;
whismanoid 1:d57c1a2cb83c 692 double codeFraction = ((double)value_u24 - MinCode) / CodeSpan;
whismanoid 1:d57c1a2cb83c 693 return (MinScaleVoltage + ((MaxScaleVoltage - MinScaleVoltage) * codeFraction)) / pgaGain;
whismanoid 1:d57c1a2cb83c 694 }
whismanoid 1:d57c1a2cb83c 695
whismanoid 1:d57c1a2cb83c 696 //----------------------------------------
whismanoid 1:d57c1a2cb83c 697 // Return the physical voltage corresponding to conversion result,
whismanoid 1:d57c1a2cb83c 698 // when conversion format is Bipolar mode, 2's complement.
whismanoid 1:d57c1a2cb83c 699 // Does not perform any offset or gain correction.
whismanoid 1:d57c1a2cb83c 700 //
whismanoid 1:d57c1a2cb83c 701 // @pre CTRL::U_BN = 0 -- Bipolar mode
whismanoid 1:d57c1a2cb83c 702 // @pre CTRL::FORMAT = 0 -- 2's complement
whismanoid 1:d57c1a2cb83c 703 // @pre VRef = Voltage of REF input, in Volts
whismanoid 1:d57c1a2cb83c 704 // @param[in] value_u24: raw 24-bit MAX11410 code (right justified).
whismanoid 1:d57c1a2cb83c 705 // @return physical voltage corresponding to MAX11410 code.
whismanoid 14:b49eecf7e4d8 706 //
whismanoid 21:847b2220e96e 707 // @test group BIP2C // Verify function VoltageOfCode_Bipolar_2sComplement
whismanoid 21:847b2220e96e 708 // @test group BIP2C tinyTester.blink_time_msec = 20 // quickly speed through the software verification
whismanoid 21:847b2220e96e 709 // @test group BIP2C Configure_CTRL_REF(2) expect 1 // These tests require REF2 = 2.500V
whismanoid 21:847b2220e96e 710 // @test group BIP2C Configure_PGA(0,0) expect 1 // These tests require PGA gain=1
whismanoid 19:50cf5da53d36 711 // @test group BIP2C VoltageOfCode_Bipolar_2sComplement(0x7FFFFF) expect 2.500 within 0.030 // Full Scale
whismanoid 19:50cf5da53d36 712 // @test group BIP2C VoltageOfCode_Bipolar_2sComplement(0x7FFFFE) expect 2.500 // Full Scale
whismanoid 19:50cf5da53d36 713 // @test group BIP2C VoltageOfCode_Bipolar_2sComplement(0x666666) expect 2.000 // Two Volts
whismanoid 19:50cf5da53d36 714 // @test group BIP2C VoltageOfCode_Bipolar_2sComplement(0x600000) expect 1.875 // 75% Scale
whismanoid 19:50cf5da53d36 715 // @test group BIP2C VoltageOfCode_Bipolar_2sComplement(0x400000) expect 1.250 // Mid Scale
whismanoid 19:50cf5da53d36 716 // @test group BIP2C VoltageOfCode_Bipolar_2sComplement(0x333333) expect 1.000 // One Volt
whismanoid 19:50cf5da53d36 717 // @test group BIP2C VoltageOfCode_Bipolar_2sComplement(0x200000) expect 0.625 // 25% Scale
whismanoid 19:50cf5da53d36 718 // @test group BIP2C VoltageOfCode_Bipolar_2sComplement(0x051eb8) expect 0.100 // 100mV
whismanoid 19:50cf5da53d36 719 // @test group BIP2C VoltageOfCode_Bipolar_2sComplement(0x000003) expect 0.00000894069671 // Three LSB
whismanoid 19:50cf5da53d36 720 // @test group BIP2C VoltageOfCode_Bipolar_2sComplement(0x000002) expect 0.00000596046447 // Two LSB
whismanoid 19:50cf5da53d36 721 // @test group BIP2C VoltageOfCode_Bipolar_2sComplement(0x000001) expect 0.0000029802326 // One LSB
whismanoid 19:50cf5da53d36 722 // @test group BIP2C VoltageOfCode_Bipolar_2sComplement(0x000000) expect 0.0 // Zero Scale
whismanoid 19:50cf5da53d36 723 // @test group BIP2C VoltageOfCode_Bipolar_2sComplement(0xFFFFFF) expect -0.0000029802326 // Negative One LSB
whismanoid 19:50cf5da53d36 724 // @test group BIP2C VoltageOfCode_Bipolar_2sComplement(0xFFFFFE) expect -0.0000059604644 // Negative Two LSB
whismanoid 19:50cf5da53d36 725 // @test group BIP2C VoltageOfCode_Bipolar_2sComplement(0xFFFFFD) expect -0.0000089406967 // Negative Three LSB
whismanoid 19:50cf5da53d36 726 // @test group BIP2C VoltageOfCode_Bipolar_2sComplement(0xFAE148) expect -0.100 // Negative 100mV
whismanoid 19:50cf5da53d36 727 // @test group BIP2C VoltageOfCode_Bipolar_2sComplement(0xE00000) expect -0.625 // Negative 25% Scale
whismanoid 19:50cf5da53d36 728 // @test group BIP2C VoltageOfCode_Bipolar_2sComplement(0xCCCCCD) expect -1.000 // Negative One Volt
whismanoid 19:50cf5da53d36 729 // @test group BIP2C VoltageOfCode_Bipolar_2sComplement(0xC00000) expect -1.250 // Negative Mid Scale
whismanoid 19:50cf5da53d36 730 // @test group BIP2C VoltageOfCode_Bipolar_2sComplement(0xA00000) expect -1.875 // Negative 75% Scale
whismanoid 19:50cf5da53d36 731 // @test group BIP2C VoltageOfCode_Bipolar_2sComplement(0x99999A) expect -2.000 // Negative Two Volts
whismanoid 19:50cf5da53d36 732 // @test group BIP2C VoltageOfCode_Bipolar_2sComplement(0x800001) expect -2.500 // Negative Full Scale
whismanoid 19:50cf5da53d36 733 // @test group BIP2C VoltageOfCode_Bipolar_2sComplement(0x800000) expect -2.500 // Negative Full Scale
whismanoid 21:847b2220e96e 734 // @test group BIP2C tinyTester.blink_time_msec = 75 // default 75 resume hardware self test
whismanoid 1:d57c1a2cb83c 735 //
whismanoid 1:d57c1a2cb83c 736 double MAX11410::VoltageOfCode_Bipolar_2sComplement(uint32_t value_u24)
whismanoid 1:d57c1a2cb83c 737 {
whismanoid 1:d57c1a2cb83c 738
whismanoid 1:d57c1a2cb83c 739 //----------------------------------------
whismanoid 1:d57c1a2cb83c 740 // Linear map min and max endpoints
whismanoid 1:d57c1a2cb83c 741 double VRef = VRef_REF2;
whismanoid 1:d57c1a2cb83c 742 uint8_t ref_sel = (ctrl & 0x03); // MAX11410_REF_SEL_enum_t
whismanoid 1:d57c1a2cb83c 743 switch(ref_sel)
whismanoid 1:d57c1a2cb83c 744 {
whismanoid 1:d57c1a2cb83c 745 case REF_SEL_000_AIN0_AIN1: VRef = VRef_REF0; break;
whismanoid 1:d57c1a2cb83c 746 case REF_SEL_001_REF1P_REF1N: VRef = VRef_REF1; break;
whismanoid 1:d57c1a2cb83c 747 case REF_SEL_010_REF2P_REF2N: VRef = VRef_REF2; break;
whismanoid 1:d57c1a2cb83c 748 case REF_SEL_011_AVDD_AGND: VRef = VRef_AVDD; break;
whismanoid 1:d57c1a2cb83c 749 case REF_SEL_100_AIN0_AGND: VRef = VRef_REF0; break;
whismanoid 1:d57c1a2cb83c 750 case REF_SEL_101_REF1P_AGND: VRef = VRef_REF1; break;
whismanoid 1:d57c1a2cb83c 751 case REF_SEL_110_REF2P_AGND: VRef = VRef_REF2; break;
whismanoid 1:d57c1a2cb83c 752 case REF_SEL_111_AVDD_AGND: VRef = VRef_AVDD; break;
whismanoid 1:d57c1a2cb83c 753 }
whismanoid 1:d57c1a2cb83c 754 double MaxScaleVoltage = 2 * VRef; // voltage of maximum code 0x7fffff
whismanoid 1:d57c1a2cb83c 755 double MinScaleVoltage = 0; // voltage of minimum code 0x800000
whismanoid 1:d57c1a2cb83c 756 const int32_t FULL_SCALE_CODE_24BIT_2S_COMPLEMENT = 0x7fffff;
whismanoid 1:d57c1a2cb83c 757 const int32_t SIGN_BIT_24BIT_2S_COMPLEMENT = 0x800000;
whismanoid 1:d57c1a2cb83c 758 if (value_u24 >= SIGN_BIT_24BIT_2S_COMPLEMENT) { value_u24 = value_u24 - (2 * SIGN_BIT_24BIT_2S_COMPLEMENT); }
whismanoid 1:d57c1a2cb83c 759 const int32_t MaxCode = FULL_SCALE_CODE_24BIT_2S_COMPLEMENT;
whismanoid 1:d57c1a2cb83c 760 const int32_t CodeSpan = 0x1000000;
whismanoid 1:d57c1a2cb83c 761 const int32_t MinCode = 0;
whismanoid 1:d57c1a2cb83c 762 double codeFraction = ((double)((int32_t)value_u24) - MinCode) / CodeSpan;
whismanoid 1:d57c1a2cb83c 763 return (MinScaleVoltage + ((MaxScaleVoltage - MinScaleVoltage) * codeFraction)) / pgaGain;
whismanoid 1:d57c1a2cb83c 764 }
whismanoid 1:d57c1a2cb83c 765
whismanoid 1:d57c1a2cb83c 766 //----------------------------------------
whismanoid 1:d57c1a2cb83c 767 // Return the physical voltage corresponding to conversion result,
whismanoid 1:d57c1a2cb83c 768 // when conversion format is determined by the CTRL register.
whismanoid 1:d57c1a2cb83c 769 // Does not perform any offset or gain correction.
whismanoid 1:d57c1a2cb83c 770 //
whismanoid 1:d57c1a2cb83c 771 // @pre CTRL::U_BN and CTRL::FORMAT = 0 select offset binary, 2's complement, or straight binary
whismanoid 1:d57c1a2cb83c 772 // @pre VRef = Voltage of REF input, in Volts
whismanoid 1:d57c1a2cb83c 773 // @param[in] value_u24: raw 24-bit MAX11410 code (right justified).
whismanoid 1:d57c1a2cb83c 774 // @return physical voltage corresponding to MAX11410 code.
whismanoid 1:d57c1a2cb83c 775 double MAX11410::VoltageOfCode(uint32_t value_u24)
whismanoid 1:d57c1a2cb83c 776 {
whismanoid 1:d57c1a2cb83c 777
whismanoid 1:d57c1a2cb83c 778 //----------------------------------------
whismanoid 1:d57c1a2cb83c 779 // Determine format from CTRL register U_BN and FORMAT
whismanoid 1:d57c1a2cb83c 780 uint8_t u_bn_bitmask = (1 << 6);
whismanoid 1:d57c1a2cb83c 781 uint8_t format_bitmask = (1 << 5);
whismanoid 1:d57c1a2cb83c 782 if ((ctrl & u_bn_bitmask) != 0)
whismanoid 1:d57c1a2cb83c 783 {
whismanoid 1:d57c1a2cb83c 784 return VoltageOfCode_Unipolar(value_u24);
whismanoid 1:d57c1a2cb83c 785 }
whismanoid 1:d57c1a2cb83c 786 if ((ctrl & format_bitmask) != 0)
whismanoid 1:d57c1a2cb83c 787 {
whismanoid 1:d57c1a2cb83c 788 return VoltageOfCode_Bipolar_OffsetBinary(value_u24);
whismanoid 1:d57c1a2cb83c 789 }
whismanoid 1:d57c1a2cb83c 790 return VoltageOfCode_Bipolar_2sComplement(value_u24);
whismanoid 0:68e64068330f 791 }
whismanoid 0:68e64068330f 792
whismanoid 0:68e64068330f 793 //----------------------------------------
whismanoid 0:68e64068330f 794 // Write a MAX11410 register.
whismanoid 0:68e64068330f 795 //
whismanoid 11:abde565b8497 796 // CMDOP_1aaa_aaaa_ReadRegister bit is cleared 0 indicating a write operation.
whismanoid 0:68e64068330f 797 //
whismanoid 0:68e64068330f 798 // MAX11410 register length can be determined by function RegSize.
whismanoid 0:68e64068330f 799 //
whismanoid 0:68e64068330f 800 // For 8-bit register size:
whismanoid 0:68e64068330f 801 //
whismanoid 0:68e64068330f 802 // SPI 16-bit transfer
whismanoid 0:68e64068330f 803 //
whismanoid 0:68e64068330f 804 // SPI MOSI = 0aaa_aaaa_dddd_dddd
whismanoid 0:68e64068330f 805 //
whismanoid 0:68e64068330f 806 // SPI MISO = xxxx_xxxx_xxxx_xxxx
whismanoid 0:68e64068330f 807 //
whismanoid 0:68e64068330f 808 // For 16-bit register size:
whismanoid 0:68e64068330f 809 //
whismanoid 0:68e64068330f 810 // SPI 24-bit or 32-bit transfer
whismanoid 0:68e64068330f 811 //
whismanoid 0:68e64068330f 812 // SPI MOSI = 0aaa_aaaa_dddd_dddd_dddd_dddd
whismanoid 0:68e64068330f 813 //
whismanoid 0:68e64068330f 814 // SPI MISO = xxxx_xxxx_xxxx_xxxx_xxxx_xxxx
whismanoid 0:68e64068330f 815 //
whismanoid 0:68e64068330f 816 // For 24-bit register size:
whismanoid 0:68e64068330f 817 //
whismanoid 0:68e64068330f 818 // SPI 32-bit transfer
whismanoid 0:68e64068330f 819 //
whismanoid 0:68e64068330f 820 // SPI MOSI = 0aaa_aaaa_dddd_dddd_dddd_dddd_dddd_dddd
whismanoid 0:68e64068330f 821 //
whismanoid 0:68e64068330f 822 // SPI MISO = xxxx_xxxx_xxxx_xxxx_xxxx_xxxx_xxxx_xxxx
whismanoid 0:68e64068330f 823 //
whismanoid 0:68e64068330f 824 // @return 1 on success; 0 on failure
whismanoid 10:7adee48a7f82 825 uint8_t MAX11410::RegWrite(MAX11410_CMD_enum_t commandByte, uint32_t regData)
whismanoid 0:68e64068330f 826 {
whismanoid 0:68e64068330f 827
whismanoid 0:68e64068330f 828 //----------------------------------------
whismanoid 21:847b2220e96e 829 // switch based on register address size RegSize(commandByte)
whismanoid 11:abde565b8497 830 commandByte = (MAX11410_CMD_enum_t)((commandByte &~ CMDOP_1aaa_aaaa_ReadRegister) & 0xFF);
whismanoid 10:7adee48a7f82 831 switch(RegSize(commandByte))
whismanoid 0:68e64068330f 832 {
whismanoid 0:68e64068330f 833 case 8: // 8-bit register size
whismanoid 0:68e64068330f 834 {
whismanoid 0:68e64068330f 835 // SPI 16-bit transfer
whismanoid 0:68e64068330f 836 // SPI MOSI = 0aaa_aaaa_dddd_dddd
whismanoid 0:68e64068330f 837 // SPI MISO = xxxx_xxxx_xxxx_xxxx
whismanoid 10:7adee48a7f82 838 int16_t mosiData16 = ((int16_t)commandByte << 8) | ((int16_t)regData & 0xFF);
whismanoid 0:68e64068330f 839 SPIoutputCS(0);
whismanoid 0:68e64068330f 840 SPIwrite16bits(mosiData16);
whismanoid 0:68e64068330f 841 SPIoutputCS(1);
whismanoid 0:68e64068330f 842 }
whismanoid 0:68e64068330f 843 break;
whismanoid 0:68e64068330f 844 case 16: // 16-bit register size
whismanoid 0:68e64068330f 845 #warning "Not Verified Yet: MAX11410::RegWrite 16-bit SPIreadWrite32bits"
whismanoid 0:68e64068330f 846 {
whismanoid 0:68e64068330f 847 // SPI 24-bit or 32-bit transfer
whismanoid 0:68e64068330f 848 // SPI MOSI = 0aaa_aaaa_dddd_dddd_dddd_dddd
whismanoid 0:68e64068330f 849 // SPI MISO = xxxx_xxxx_xxxx_xxxx_xxxx_xxxx
whismanoid 0:68e64068330f 850 // SPI MOSI = 0aaa_aaaa_dddd_dddd_dddd_dddd_0000_0000
whismanoid 0:68e64068330f 851 // SPI MISO = xxxx_xxxx_xxxx_xxxx_xxxx_xxxx_xxxx_xxxx
whismanoid 10:7adee48a7f82 852 int32_t mosiData32 = ((int32_t)commandByte << 24) | (((int32_t)regData & 0xFFFF) << 8);
whismanoid 0:68e64068330f 853 SPIoutputCS(0);
whismanoid 0:68e64068330f 854 SPIreadWrite32bits(mosiData32);
whismanoid 0:68e64068330f 855 SPIoutputCS(1);
whismanoid 0:68e64068330f 856 }
whismanoid 0:68e64068330f 857 break;
whismanoid 0:68e64068330f 858 case 24: // 24-bit register size
whismanoid 0:68e64068330f 859 {
whismanoid 0:68e64068330f 860 // SPI 32-bit transfer
whismanoid 0:68e64068330f 861 // SPI MOSI = 0aaa_aaaa_dddd_dddd_dddd_dddd_dddd_dddd
whismanoid 0:68e64068330f 862 // SPI MISO = xxxx_xxxx_xxxx_xxxx_xxxx_xxxx_xxxx_xxxx
whismanoid 10:7adee48a7f82 863 int32_t mosiData32 = ((int32_t)commandByte << 24) | ((int32_t)regData & 0x00FFFFFF);
whismanoid 0:68e64068330f 864 SPIoutputCS(0);
whismanoid 0:68e64068330f 865 SPIreadWrite32bits(mosiData32);
whismanoid 0:68e64068330f 866 SPIoutputCS(1);
whismanoid 0:68e64068330f 867 }
whismanoid 0:68e64068330f 868 break;
whismanoid 0:68e64068330f 869 }
whismanoid 0:68e64068330f 870
whismanoid 0:68e64068330f 871 //----------------------------------------
whismanoid 0:68e64068330f 872 // success
whismanoid 0:68e64068330f 873 return 1;
whismanoid 0:68e64068330f 874 }
whismanoid 0:68e64068330f 875
whismanoid 0:68e64068330f 876 //----------------------------------------
whismanoid 0:68e64068330f 877 // Read an 8-bit MAX11410 register
whismanoid 0:68e64068330f 878 //
whismanoid 11:abde565b8497 879 // CMDOP_1aaa_aaaa_ReadRegister bit is set 1 indicating a read operation.
whismanoid 0:68e64068330f 880 //
whismanoid 0:68e64068330f 881 // MAX11410 register length can be determined by function RegSize.
whismanoid 0:68e64068330f 882 //
whismanoid 0:68e64068330f 883 // For 8-bit register size:
whismanoid 0:68e64068330f 884 //
whismanoid 0:68e64068330f 885 // SPI 16-bit transfer
whismanoid 0:68e64068330f 886 //
whismanoid 0:68e64068330f 887 // SPI MOSI = 1aaa_aaaa_0000_0000
whismanoid 0:68e64068330f 888 //
whismanoid 0:68e64068330f 889 // SPI MISO = xxxx_xxxx_dddd_dddd
whismanoid 0:68e64068330f 890 //
whismanoid 0:68e64068330f 891 // For 16-bit register size:
whismanoid 0:68e64068330f 892 //
whismanoid 0:68e64068330f 893 // SPI 24-bit or 32-bit transfer
whismanoid 0:68e64068330f 894 //
whismanoid 0:68e64068330f 895 // SPI MOSI = 1aaa_aaaa_0000_0000_0000_0000
whismanoid 0:68e64068330f 896 //
whismanoid 0:68e64068330f 897 // SPI MISO = xxxx_xxxx_dddd_dddd_dddd_dddd
whismanoid 0:68e64068330f 898 //
whismanoid 0:68e64068330f 899 // For 24-bit register size:
whismanoid 0:68e64068330f 900 //
whismanoid 0:68e64068330f 901 // SPI 32-bit transfer
whismanoid 0:68e64068330f 902 //
whismanoid 0:68e64068330f 903 // SPI MOSI = 1aaa_aaaa_0000_0000_0000_0000_0000_0000
whismanoid 0:68e64068330f 904 //
whismanoid 0:68e64068330f 905 // SPI MISO = xxxx_xxxx_dddd_dddd_dddd_dddd_dddd_dddd
whismanoid 0:68e64068330f 906 //
whismanoid 0:68e64068330f 907 //
whismanoid 0:68e64068330f 908 // @return 1 on success; 0 on failure
whismanoid 10:7adee48a7f82 909 uint8_t MAX11410::RegRead(MAX11410_CMD_enum_t commandByte, uint32_t* ptrRegData)
whismanoid 0:68e64068330f 910 {
whismanoid 0:68e64068330f 911
whismanoid 0:68e64068330f 912 //----------------------------------------
whismanoid 21:847b2220e96e 913 // switch based on register address size RegSize(regAddress)
whismanoid 11:abde565b8497 914 commandByte = (MAX11410_CMD_enum_t)((commandByte &~ CMDOP_1aaa_aaaa_ReadRegister) & 0xFF);
whismanoid 10:7adee48a7f82 915 switch(RegSize(commandByte))
whismanoid 0:68e64068330f 916 {
whismanoid 0:68e64068330f 917 case 8: // 8-bit register size
whismanoid 0:68e64068330f 918 {
whismanoid 0:68e64068330f 919 // SPI 16-bit transfer
whismanoid 0:68e64068330f 920 // SPI MOSI = 1aaa_aaaa_0000_0000
whismanoid 0:68e64068330f 921 // SPI MISO = xxxx_xxxx_dddd_dddd
whismanoid 11:abde565b8497 922 int16_t mosiData16 = ((CMDOP_1aaa_aaaa_ReadRegister | (int16_t)commandByte) << 8) | ((int16_t)0);
whismanoid 0:68e64068330f 923 SPIoutputCS(0);
whismanoid 0:68e64068330f 924 int16_t misoData16 = SPIreadWrite16bits(mosiData16);
whismanoid 0:68e64068330f 925 SPIoutputCS(1);
whismanoid 0:68e64068330f 926 (*ptrRegData) = (misoData16 & 0x00FF);
whismanoid 0:68e64068330f 927 }
whismanoid 0:68e64068330f 928 break;
whismanoid 0:68e64068330f 929 case 16: // 16-bit register size
whismanoid 0:68e64068330f 930 #warning "Not Verified Yet: MAX11410::RegRead 16-bit SPIreadWrite32bits"
whismanoid 0:68e64068330f 931 {
whismanoid 0:68e64068330f 932 // SPI 24-bit or 32-bit transfer
whismanoid 0:68e64068330f 933 // SPI MOSI = 1aaa_aaaa_0000_0000_0000_0000
whismanoid 0:68e64068330f 934 // SPI MISO = xxxx_xxxx_dddd_dddd_dddd_dddd
whismanoid 0:68e64068330f 935 // SPI MOSI = 1aaa_aaaa_0000_0000_0000_0000_0000_0000
whismanoid 0:68e64068330f 936 // SPI MISO = xxxx_xxxx_dddd_dddd_dddd_dddd_xxxx_xxxx
whismanoid 11:abde565b8497 937 int32_t mosiData32 = ((CMDOP_1aaa_aaaa_ReadRegister | (int32_t)commandByte) << 24);
whismanoid 0:68e64068330f 938 SPIoutputCS(0);
whismanoid 0:68e64068330f 939 int32_t misoData32 = SPIreadWrite32bits(mosiData32);
whismanoid 0:68e64068330f 940 SPIoutputCS(1);
whismanoid 0:68e64068330f 941 (*ptrRegData) = ((misoData32 >> 8) & 0x00FFFF);
whismanoid 0:68e64068330f 942 }
whismanoid 0:68e64068330f 943 break;
whismanoid 0:68e64068330f 944 case 24: // 24-bit register size
whismanoid 0:68e64068330f 945 {
whismanoid 0:68e64068330f 946 // SPI 32-bit transfer
whismanoid 0:68e64068330f 947 // SPI MOSI = 1aaa_aaaa_0000_0000_0000_0000_0000_0000
whismanoid 0:68e64068330f 948 // SPI MISO = xxxx_xxxx_dddd_dddd_dddd_dddd_dddd_dddd
whismanoid 11:abde565b8497 949 int32_t mosiData32 = ((CMDOP_1aaa_aaaa_ReadRegister | (int32_t)commandByte) << 24);
whismanoid 0:68e64068330f 950 SPIoutputCS(0);
whismanoid 0:68e64068330f 951 int32_t misoData32 = SPIreadWrite32bits(mosiData32);
whismanoid 0:68e64068330f 952 SPIoutputCS(1);
whismanoid 0:68e64068330f 953 (*ptrRegData) = (misoData32 & 0x00FFFFFF);
whismanoid 0:68e64068330f 954 }
whismanoid 0:68e64068330f 955 break;
whismanoid 0:68e64068330f 956 }
whismanoid 0:68e64068330f 957
whismanoid 0:68e64068330f 958 //----------------------------------------
whismanoid 0:68e64068330f 959 // success
whismanoid 0:68e64068330f 960 return 1;
whismanoid 0:68e64068330f 961 }
whismanoid 0:68e64068330f 962
whismanoid 0:68e64068330f 963 //----------------------------------------
whismanoid 0:68e64068330f 964 // Return the size of a MAX11410 register
whismanoid 0:68e64068330f 965 //
whismanoid 0:68e64068330f 966 // @return 8 for 8-bit, 16 for 16-bit, 24 for 24-bit, else 0 for undefined register size
whismanoid 10:7adee48a7f82 967 uint8_t MAX11410::RegSize(MAX11410_CMD_enum_t commandByte)
whismanoid 0:68e64068330f 968 {
whismanoid 0:68e64068330f 969
whismanoid 0:68e64068330f 970 //----------------------------------------
whismanoid 0:68e64068330f 971 // switch based on register address value regAddress
whismanoid 11:abde565b8497 972 commandByte = (MAX11410_CMD_enum_t)((commandByte &~ CMDOP_1aaa_aaaa_ReadRegister) & 0xFF);
whismanoid 10:7adee48a7f82 973 switch(commandByte)
whismanoid 0:68e64068330f 974 {
whismanoid 0:68e64068330f 975 default:
whismanoid 0:68e64068330f 976 return 0; // undefined register size
whismanoid 0:68e64068330f 977 case CMD_r000_0000_xxxx_xxdd_PD:
whismanoid 0:68e64068330f 978 case CMD_r000_0001_xddd_xxdd_CONV_START:
whismanoid 0:68e64068330f 979 case CMD_r000_0010_xddd_dddd_SEQ_START:
whismanoid 0:68e64068330f 980 case CMD_r000_0011_xxxx_xddd_CAL_START:
whismanoid 0:68e64068330f 981 case CMD_r000_0100_dddd_xddd_GP0_CTRL:
whismanoid 0:68e64068330f 982 case CMD_r000_0101_dddd_xddd_GP1_CTRL:
whismanoid 0:68e64068330f 983 case CMD_r000_0110_xddd_xxdd_GP_CONV:
whismanoid 0:68e64068330f 984 case CMD_r000_0111_xddd_dddd_GP_SEQ_ADDR:
whismanoid 0:68e64068330f 985 case CMD_r000_1000_x0dd_dddd_FILTER:
whismanoid 0:68e64068330f 986 case CMD_r000_1001_dddd_dddd_CTRL:
whismanoid 0:68e64068330f 987 case CMD_r000_1010_dddd_dddd_SOURCE:
whismanoid 0:68e64068330f 988 case CMD_r000_1011_dddd_dddd_MUX_CTRL0:
whismanoid 0:68e64068330f 989 case CMD_r000_1100_dddd_dddd_MUX_CTRL1:
whismanoid 0:68e64068330f 990 case CMD_r000_1101_dddd_dddd_MUX_CTRL2:
whismanoid 0:68e64068330f 991 case CMD_r000_1110_xxdd_xddd_PGA:
whismanoid 0:68e64068330f 992 case CMD_r000_1111_dddd_dddd_WAIT_EXT:
whismanoid 0:68e64068330f 993 case CMD_r001_0000_xxxx_xxxx_WAIT_START:
whismanoid 0:68e64068330f 994 return 8; // 8-bit register size
whismanoid 0:68e64068330f 995 case CMD_r001_0001_xxxx_xxxx_xxxx_xxxx_xxxx_xddd_PART_ID:
whismanoid 0:68e64068330f 996 case CMD_r001_0010_xxxx_xxxx_dddd_xxdd_dddd_dddd_SYSC_SEL:
whismanoid 0:68e64068330f 997 case CMD_r001_0011_dddd_dddd_dddd_dddd_dddd_dddd_SYS_OFF_A:
whismanoid 0:68e64068330f 998 case CMD_r001_0100_dddd_dddd_dddd_dddd_dddd_dddd_SYS_OFF_B:
whismanoid 0:68e64068330f 999 case CMD_r001_0101_dddd_dddd_dddd_dddd_dddd_dddd_SYS_GAIN_A:
whismanoid 0:68e64068330f 1000 case CMD_r001_0110_dddd_dddd_dddd_dddd_dddd_dddd_SYS_GAIN_B:
whismanoid 0:68e64068330f 1001 case CMD_r001_0111_dddd_dddd_dddd_dddd_dddd_dddd_SELF_OFF:
whismanoid 0:68e64068330f 1002 case CMD_r001_1000_dddd_dddd_dddd_dddd_dddd_dddd_SELF_GAIN_1:
whismanoid 0:68e64068330f 1003 case CMD_r001_1001_dddd_dddd_dddd_dddd_dddd_dddd_SELF_GAIN_2:
whismanoid 0:68e64068330f 1004 case CMD_r001_1010_dddd_dddd_dddd_dddd_dddd_dddd_SELF_GAIN_4:
whismanoid 0:68e64068330f 1005 case CMD_r001_1011_dddd_dddd_dddd_dddd_dddd_dddd_SELF_GAIN_8:
whismanoid 0:68e64068330f 1006 case CMD_r001_1100_dddd_dddd_dddd_dddd_dddd_dddd_SELF_GAIN_16:
whismanoid 0:68e64068330f 1007 case CMD_r001_1101_dddd_dddd_dddd_dddd_dddd_dddd_SELF_GAIN_32:
whismanoid 0:68e64068330f 1008 case CMD_r001_1110_dddd_dddd_dddd_dddd_dddd_dddd_SELF_GAIN_64:
whismanoid 0:68e64068330f 1009 case CMD_r001_1111_dddd_dddd_dddd_dddd_dddd_dddd_SELF_GAIN_128:
whismanoid 0:68e64068330f 1010 case CMD_r010_0000_dddd_dddd_dddd_dddd_dddd_dddd_LTHRESH0:
whismanoid 0:68e64068330f 1011 case CMD_r010_0001_dddd_dddd_dddd_dddd_dddd_dddd_LTHRESH1:
whismanoid 0:68e64068330f 1012 case CMD_r010_0010_dddd_dddd_dddd_dddd_dddd_dddd_LTHRESH2:
whismanoid 0:68e64068330f 1013 case CMD_r010_0011_dddd_dddd_dddd_dddd_dddd_dddd_LTHRESH3:
whismanoid 0:68e64068330f 1014 case CMD_r010_0100_dddd_dddd_dddd_dddd_dddd_dddd_LTHRESH4:
whismanoid 0:68e64068330f 1015 case CMD_r010_0101_dddd_dddd_dddd_dddd_dddd_dddd_LTHRESH5:
whismanoid 0:68e64068330f 1016 case CMD_r010_0110_dddd_dddd_dddd_dddd_dddd_dddd_LTHRESH6:
whismanoid 0:68e64068330f 1017 case CMD_r010_0111_dddd_dddd_dddd_dddd_dddd_dddd_LTHRESH7:
whismanoid 0:68e64068330f 1018 case CMD_r010_1000_dddd_dddd_dddd_dddd_dddd_dddd_UTHRESH0:
whismanoid 0:68e64068330f 1019 case CMD_r010_1001_dddd_dddd_dddd_dddd_dddd_dddd_UTHRESH1:
whismanoid 0:68e64068330f 1020 case CMD_r010_1010_dddd_dddd_dddd_dddd_dddd_dddd_UTHRESH2:
whismanoid 0:68e64068330f 1021 case CMD_r010_1011_dddd_dddd_dddd_dddd_dddd_dddd_UTHRESH3:
whismanoid 0:68e64068330f 1022 case CMD_r010_1100_dddd_dddd_dddd_dddd_dddd_dddd_UTHRESH4:
whismanoid 0:68e64068330f 1023 case CMD_r010_1101_dddd_dddd_dddd_dddd_dddd_dddd_UTHRESH5:
whismanoid 0:68e64068330f 1024 case CMD_r010_1110_dddd_dddd_dddd_dddd_dddd_dddd_UTHRESH6:
whismanoid 0:68e64068330f 1025 case CMD_r010_1111_dddd_dddd_dddd_dddd_dddd_dddd_UTHRESH7:
whismanoid 0:68e64068330f 1026 case CMD_r011_0000_dddd_dddd_dddd_dddd_dddd_dddd_DATA0:
whismanoid 0:68e64068330f 1027 case CMD_r011_0001_dddd_dddd_dddd_dddd_dddd_dddd_DATA1:
whismanoid 0:68e64068330f 1028 case CMD_r011_0010_dddd_dddd_dddd_dddd_dddd_dddd_DATA2:
whismanoid 0:68e64068330f 1029 case CMD_r011_0011_dddd_dddd_dddd_dddd_dddd_dddd_DATA3:
whismanoid 0:68e64068330f 1030 case CMD_r011_0100_dddd_dddd_dddd_dddd_dddd_dddd_DATA4:
whismanoid 0:68e64068330f 1031 case CMD_r011_0101_dddd_dddd_dddd_dddd_dddd_dddd_DATA5:
whismanoid 0:68e64068330f 1032 case CMD_r011_0110_dddd_dddd_dddd_dddd_dddd_dddd_DATA6:
whismanoid 0:68e64068330f 1033 case CMD_r011_0111_dddd_dddd_dddd_dddd_dddd_dddd_DATA7:
whismanoid 0:68e64068330f 1034 case CMD_r011_1000_dddd_dddd_dddd_dddd_dxxx_dddd_STATUS:
whismanoid 0:68e64068330f 1035 case CMD_r011_1001_dddd_dddd_dddd_dddd_dxxd_dddd_STATUS_IE:
whismanoid 0:68e64068330f 1036 return 24; // 24-bit register size
whismanoid 0:68e64068330f 1037 case CMD_r011_1010_xaaa_aaaa_dddd_dddd_UC_0:
whismanoid 0:68e64068330f 1038 case CMD_r011_1011_xaaa_aaaa_dddd_dddd_UC_1:
whismanoid 0:68e64068330f 1039 case CMD_r011_1100_xaaa_aaaa_dddd_dddd_UC_2:
whismanoid 0:68e64068330f 1040 case CMD_r011_1101_xaaa_aaaa_dddd_dddd_UC_3:
whismanoid 0:68e64068330f 1041 case CMD_r011_1110_xaaa_aaaa_dddd_dddd_UC_4:
whismanoid 0:68e64068330f 1042 case CMD_r011_1111_xaaa_aaaa_dddd_dddd_UC_5:
whismanoid 0:68e64068330f 1043 case CMD_r100_0000_xaaa_aaaa_dddd_dddd_UC_6:
whismanoid 0:68e64068330f 1044 case CMD_r100_0001_xaaa_aaaa_dddd_dddd_UC_7:
whismanoid 0:68e64068330f 1045 case CMD_r100_0010_xaaa_aaaa_dddd_dddd_UC_8:
whismanoid 0:68e64068330f 1046 case CMD_r100_0011_xaaa_aaaa_dddd_dddd_UC_9:
whismanoid 0:68e64068330f 1047 case CMD_r100_0100_xaaa_aaaa_dddd_dddd_UC_10:
whismanoid 0:68e64068330f 1048 case CMD_r100_0101_xaaa_aaaa_dddd_dddd_UC_11:
whismanoid 0:68e64068330f 1049 case CMD_r100_0110_xaaa_aaaa_dddd_dddd_UC_12:
whismanoid 0:68e64068330f 1050 case CMD_r100_0111_xaaa_aaaa_dddd_dddd_UC_13:
whismanoid 0:68e64068330f 1051 case CMD_r100_1000_xaaa_aaaa_dddd_dddd_UC_14:
whismanoid 0:68e64068330f 1052 case CMD_r100_1001_xaaa_aaaa_dddd_dddd_UC_15:
whismanoid 0:68e64068330f 1053 case CMD_r100_1010_xaaa_aaaa_dddd_dddd_UC_16:
whismanoid 0:68e64068330f 1054 case CMD_r100_1011_xaaa_aaaa_dddd_dddd_UC_17:
whismanoid 0:68e64068330f 1055 case CMD_r100_1100_xaaa_aaaa_dddd_dddd_UC_18:
whismanoid 0:68e64068330f 1056 case CMD_r100_1101_xaaa_aaaa_dddd_dddd_UC_19:
whismanoid 0:68e64068330f 1057 case CMD_r100_1110_xaaa_aaaa_dddd_dddd_UC_20:
whismanoid 0:68e64068330f 1058 case CMD_r100_1111_xaaa_aaaa_dddd_dddd_UC_21:
whismanoid 0:68e64068330f 1059 case CMD_r101_0000_xaaa_aaaa_dddd_dddd_UC_22:
whismanoid 0:68e64068330f 1060 case CMD_r101_0001_xaaa_aaaa_dddd_dddd_UC_23:
whismanoid 0:68e64068330f 1061 case CMD_r101_0010_xaaa_aaaa_dddd_dddd_UC_24:
whismanoid 0:68e64068330f 1062 case CMD_r101_0011_xaaa_aaaa_dddd_dddd_UC_25:
whismanoid 0:68e64068330f 1063 case CMD_r101_0100_xaaa_aaaa_dddd_dddd_UC_26:
whismanoid 0:68e64068330f 1064 case CMD_r101_0101_xaaa_aaaa_dddd_dddd_UC_27:
whismanoid 0:68e64068330f 1065 case CMD_r101_0110_xaaa_aaaa_dddd_dddd_UC_28:
whismanoid 0:68e64068330f 1066 case CMD_r101_0111_xaaa_aaaa_dddd_dddd_UC_29:
whismanoid 0:68e64068330f 1067 case CMD_r101_1000_xaaa_aaaa_dddd_dddd_UC_30:
whismanoid 0:68e64068330f 1068 case CMD_r101_1001_xaaa_aaaa_dddd_dddd_UC_31:
whismanoid 0:68e64068330f 1069 case CMD_r101_1010_xaaa_aaaa_dddd_dddd_UC_32:
whismanoid 0:68e64068330f 1070 case CMD_r101_1011_xaaa_aaaa_dddd_dddd_UC_33:
whismanoid 0:68e64068330f 1071 case CMD_r101_1100_xaaa_aaaa_dddd_dddd_UC_34:
whismanoid 0:68e64068330f 1072 case CMD_r101_1101_xaaa_aaaa_dddd_dddd_UC_35:
whismanoid 0:68e64068330f 1073 case CMD_r101_1110_xaaa_aaaa_dddd_dddd_UC_36:
whismanoid 0:68e64068330f 1074 case CMD_r101_1111_xaaa_aaaa_dddd_dddd_UC_37:
whismanoid 0:68e64068330f 1075 case CMD_r110_0000_xaaa_aaaa_dddd_dddd_UC_38:
whismanoid 0:68e64068330f 1076 case CMD_r110_0001_xaaa_aaaa_dddd_dddd_UC_39:
whismanoid 0:68e64068330f 1077 case CMD_r110_0010_xaaa_aaaa_dddd_dddd_UC_40:
whismanoid 0:68e64068330f 1078 case CMD_r110_0011_xaaa_aaaa_dddd_dddd_UC_41:
whismanoid 0:68e64068330f 1079 case CMD_r110_0100_xaaa_aaaa_dddd_dddd_UC_42:
whismanoid 0:68e64068330f 1080 case CMD_r110_0101_xaaa_aaaa_dddd_dddd_UC_43:
whismanoid 0:68e64068330f 1081 case CMD_r110_0110_xaaa_aaaa_dddd_dddd_UC_44:
whismanoid 0:68e64068330f 1082 case CMD_r110_0111_xaaa_aaaa_dddd_dddd_UC_45:
whismanoid 0:68e64068330f 1083 case CMD_r110_1000_xaaa_aaaa_dddd_dddd_UC_46:
whismanoid 0:68e64068330f 1084 case CMD_r110_1001_xaaa_aaaa_dddd_dddd_UC_47:
whismanoid 0:68e64068330f 1085 case CMD_r110_1010_xaaa_aaaa_dddd_dddd_UC_48:
whismanoid 0:68e64068330f 1086 case CMD_r110_1011_xaaa_aaaa_dddd_dddd_UC_49:
whismanoid 0:68e64068330f 1087 case CMD_r110_1100_xaaa_aaaa_dddd_dddd_UC_50:
whismanoid 0:68e64068330f 1088 case CMD_r110_1101_xaaa_aaaa_dddd_dddd_UC_51:
whismanoid 0:68e64068330f 1089 case CMD_r110_1110_xaaa_aaaa_dddd_dddd_UC_52:
whismanoid 0:68e64068330f 1090 case CMD_r110_1111_xxxx_xxxx_xaaa_aaaa_UCADDR:
whismanoid 0:68e64068330f 1091 return 16; // 16-bit register size
whismanoid 0:68e64068330f 1092 }
whismanoid 0:68e64068330f 1093 }
whismanoid 0:68e64068330f 1094
whismanoid 0:68e64068330f 1095 //----------------------------------------
whismanoid 11:abde565b8497 1096 // Decode operation from commandByte
whismanoid 11:abde565b8497 1097 //
whismanoid 11:abde565b8497 1098 // @return operation such as idle, read register, write register, etc.
whismanoid 11:abde565b8497 1099 MAX11410::MAX11410_CMDOP_enum_t MAX11410::DecodeCommand(MAX11410_CMD_enum_t commandByte)
whismanoid 11:abde565b8497 1100 {
whismanoid 11:abde565b8497 1101
whismanoid 11:abde565b8497 1102 //----------------------------------------
whismanoid 11:abde565b8497 1103 // decode operation from command byte
whismanoid 11:abde565b8497 1104 switch (commandByte & 0x80)
whismanoid 11:abde565b8497 1105 {
whismanoid 11:abde565b8497 1106 default:
whismanoid 11:abde565b8497 1107 case CMDOP_0aaa_aaaa_WriteRegister:
whismanoid 11:abde565b8497 1108 return CMDOP_0aaa_aaaa_WriteRegister;
whismanoid 11:abde565b8497 1109 case CMDOP_1aaa_aaaa_ReadRegister:
whismanoid 11:abde565b8497 1110 return CMDOP_1aaa_aaaa_ReadRegister;
whismanoid 11:abde565b8497 1111 }
whismanoid 11:abde565b8497 1112 }
whismanoid 11:abde565b8497 1113
whismanoid 11:abde565b8497 1114 //----------------------------------------
whismanoid 10:7adee48a7f82 1115 // Return the address field of a MAX11410 register
whismanoid 10:7adee48a7f82 1116 //
whismanoid 10:7adee48a7f82 1117 // @return register address field as given in datasheet
whismanoid 10:7adee48a7f82 1118 uint8_t MAX11410::RegAddrOfCommand(MAX11410_CMD_enum_t commandByte)
whismanoid 10:7adee48a7f82 1119 {
whismanoid 10:7adee48a7f82 1120
whismanoid 10:7adee48a7f82 1121 //----------------------------------------
whismanoid 10:7adee48a7f82 1122 // extract register address value from command byte
whismanoid 11:abde565b8497 1123 return (uint8_t)((commandByte &~ CMDOP_1aaa_aaaa_ReadRegister) & 0xFF);
whismanoid 10:7adee48a7f82 1124 }
whismanoid 10:7adee48a7f82 1125
whismanoid 10:7adee48a7f82 1126 //----------------------------------------
whismanoid 10:7adee48a7f82 1127 // Test whether a command byte is a register read command
whismanoid 10:7adee48a7f82 1128 //
whismanoid 10:7adee48a7f82 1129 // @return true if command byte is a register read command
whismanoid 10:7adee48a7f82 1130 uint8_t MAX11410::IsRegReadCommand(MAX11410_CMD_enum_t commandByte)
whismanoid 10:7adee48a7f82 1131 {
whismanoid 10:7adee48a7f82 1132
whismanoid 10:7adee48a7f82 1133 //----------------------------------------
whismanoid 10:7adee48a7f82 1134 // Test whether a command byte is a register read command
whismanoid 11:abde565b8497 1135 return (commandByte & CMDOP_1aaa_aaaa_ReadRegister) ? 1 : 0;
whismanoid 10:7adee48a7f82 1136 }
whismanoid 10:7adee48a7f82 1137
whismanoid 10:7adee48a7f82 1138 //----------------------------------------
whismanoid 0:68e64068330f 1139 // Return the name of a MAX11410 register
whismanoid 0:68e64068330f 1140 //
whismanoid 0:68e64068330f 1141 // @return null-terminated constant C string containing register name or empty string
whismanoid 10:7adee48a7f82 1142 const char* MAX11410::RegName(MAX11410_CMD_enum_t commandByte)
whismanoid 0:68e64068330f 1143 {
whismanoid 0:68e64068330f 1144
whismanoid 0:68e64068330f 1145 //----------------------------------------
whismanoid 0:68e64068330f 1146 // switch based on register address value regAddress
whismanoid 11:abde565b8497 1147 commandByte = (MAX11410_CMD_enum_t)((commandByte &~ CMDOP_1aaa_aaaa_ReadRegister) & 0xFF);
whismanoid 10:7adee48a7f82 1148 switch(commandByte)
whismanoid 0:68e64068330f 1149 {
whismanoid 0:68e64068330f 1150 default:
whismanoid 0:68e64068330f 1151 return ""; // undefined register
whismanoid 0:68e64068330f 1152 case CMD_r000_0000_xxxx_xxdd_PD: return "PD";
whismanoid 0:68e64068330f 1153 case CMD_r000_0001_xddd_xxdd_CONV_START: return "CONV_START";
whismanoid 0:68e64068330f 1154 case CMD_r000_0010_xddd_dddd_SEQ_START: return "SEQ_START";
whismanoid 0:68e64068330f 1155 case CMD_r000_0011_xxxx_xddd_CAL_START: return "CAL_START";
whismanoid 0:68e64068330f 1156 case CMD_r000_0100_dddd_xddd_GP0_CTRL: return "GP0_CTRL";
whismanoid 0:68e64068330f 1157 case CMD_r000_0101_dddd_xddd_GP1_CTRL: return "GP1_CTRL";
whismanoid 0:68e64068330f 1158 case CMD_r000_0110_xddd_xxdd_GP_CONV: return "GP_CONV";
whismanoid 0:68e64068330f 1159 case CMD_r000_0111_xddd_dddd_GP_SEQ_ADDR: return "GP_SEQ_ADDR";
whismanoid 0:68e64068330f 1160 case CMD_r000_1000_x0dd_dddd_FILTER: return "FILTER";
whismanoid 0:68e64068330f 1161 case CMD_r000_1001_dddd_dddd_CTRL: return "CTRL";
whismanoid 0:68e64068330f 1162 case CMD_r000_1010_dddd_dddd_SOURCE: return "SOURCE";
whismanoid 0:68e64068330f 1163 case CMD_r000_1011_dddd_dddd_MUX_CTRL0: return "MUX_CTRL0";
whismanoid 0:68e64068330f 1164 case CMD_r000_1100_dddd_dddd_MUX_CTRL1: return "MUX_CTRL1";
whismanoid 0:68e64068330f 1165 case CMD_r000_1101_dddd_dddd_MUX_CTRL2: return "MUX_CTRL2";
whismanoid 0:68e64068330f 1166 case CMD_r000_1110_xxdd_xddd_PGA: return "PGA";
whismanoid 0:68e64068330f 1167 case CMD_r000_1111_dddd_dddd_WAIT_EXT: return "WAIT_EXT";
whismanoid 0:68e64068330f 1168 case CMD_r001_0000_xxxx_xxxx_WAIT_START: return "WAIT_START";
whismanoid 0:68e64068330f 1169 case CMD_r001_0001_xxxx_xxxx_xxxx_xxxx_xxxx_xddd_PART_ID: return "PART_ID";
whismanoid 0:68e64068330f 1170 case CMD_r001_0010_xxxx_xxxx_dddd_xxdd_dddd_dddd_SYSC_SEL: return "SYSC_SEL";
whismanoid 0:68e64068330f 1171 case CMD_r001_0011_dddd_dddd_dddd_dddd_dddd_dddd_SYS_OFF_A: return "SYS_OFF_A";
whismanoid 0:68e64068330f 1172 case CMD_r001_0100_dddd_dddd_dddd_dddd_dddd_dddd_SYS_OFF_B: return "SYS_OFF_B";
whismanoid 0:68e64068330f 1173 case CMD_r001_0101_dddd_dddd_dddd_dddd_dddd_dddd_SYS_GAIN_A: return "SYS_GAIN_A";
whismanoid 0:68e64068330f 1174 case CMD_r001_0110_dddd_dddd_dddd_dddd_dddd_dddd_SYS_GAIN_B: return "SYS_GAIN_B";
whismanoid 0:68e64068330f 1175 case CMD_r001_0111_dddd_dddd_dddd_dddd_dddd_dddd_SELF_OFF: return "SELF_OFF";
whismanoid 0:68e64068330f 1176 case CMD_r001_1000_dddd_dddd_dddd_dddd_dddd_dddd_SELF_GAIN_1: return "SELF_GAIN_1";
whismanoid 0:68e64068330f 1177 case CMD_r001_1001_dddd_dddd_dddd_dddd_dddd_dddd_SELF_GAIN_2: return "SELF_GAIN_2";
whismanoid 0:68e64068330f 1178 case CMD_r001_1010_dddd_dddd_dddd_dddd_dddd_dddd_SELF_GAIN_4: return "SELF_GAIN_4";
whismanoid 0:68e64068330f 1179 case CMD_r001_1011_dddd_dddd_dddd_dddd_dddd_dddd_SELF_GAIN_8: return "SELF_GAIN_8";
whismanoid 0:68e64068330f 1180 case CMD_r001_1100_dddd_dddd_dddd_dddd_dddd_dddd_SELF_GAIN_16: return "SELF_GAIN_16";
whismanoid 0:68e64068330f 1181 case CMD_r001_1101_dddd_dddd_dddd_dddd_dddd_dddd_SELF_GAIN_32: return "SELF_GAIN_32";
whismanoid 0:68e64068330f 1182 case CMD_r001_1110_dddd_dddd_dddd_dddd_dddd_dddd_SELF_GAIN_64: return "SELF_GAIN_64";
whismanoid 0:68e64068330f 1183 case CMD_r001_1111_dddd_dddd_dddd_dddd_dddd_dddd_SELF_GAIN_128: return "SELF_GAIN_128";
whismanoid 0:68e64068330f 1184 case CMD_r010_0000_dddd_dddd_dddd_dddd_dddd_dddd_LTHRESH0: return "LTHRESH0";
whismanoid 0:68e64068330f 1185 case CMD_r010_0001_dddd_dddd_dddd_dddd_dddd_dddd_LTHRESH1: return "LTHRESH1";
whismanoid 0:68e64068330f 1186 case CMD_r010_0010_dddd_dddd_dddd_dddd_dddd_dddd_LTHRESH2: return "LTHRESH2";
whismanoid 0:68e64068330f 1187 case CMD_r010_0011_dddd_dddd_dddd_dddd_dddd_dddd_LTHRESH3: return "LTHRESH3";
whismanoid 0:68e64068330f 1188 case CMD_r010_0100_dddd_dddd_dddd_dddd_dddd_dddd_LTHRESH4: return "LTHRESH4";
whismanoid 0:68e64068330f 1189 case CMD_r010_0101_dddd_dddd_dddd_dddd_dddd_dddd_LTHRESH5: return "LTHRESH5";
whismanoid 0:68e64068330f 1190 case CMD_r010_0110_dddd_dddd_dddd_dddd_dddd_dddd_LTHRESH6: return "LTHRESH6";
whismanoid 0:68e64068330f 1191 case CMD_r010_0111_dddd_dddd_dddd_dddd_dddd_dddd_LTHRESH7: return "LTHRESH7";
whismanoid 0:68e64068330f 1192 case CMD_r010_1000_dddd_dddd_dddd_dddd_dddd_dddd_UTHRESH0: return "UTHRESH0";
whismanoid 0:68e64068330f 1193 case CMD_r010_1001_dddd_dddd_dddd_dddd_dddd_dddd_UTHRESH1: return "UTHRESH1";
whismanoid 0:68e64068330f 1194 case CMD_r010_1010_dddd_dddd_dddd_dddd_dddd_dddd_UTHRESH2: return "UTHRESH2";
whismanoid 0:68e64068330f 1195 case CMD_r010_1011_dddd_dddd_dddd_dddd_dddd_dddd_UTHRESH3: return "UTHRESH3";
whismanoid 0:68e64068330f 1196 case CMD_r010_1100_dddd_dddd_dddd_dddd_dddd_dddd_UTHRESH4: return "UTHRESH4";
whismanoid 0:68e64068330f 1197 case CMD_r010_1101_dddd_dddd_dddd_dddd_dddd_dddd_UTHRESH5: return "UTHRESH5";
whismanoid 0:68e64068330f 1198 case CMD_r010_1110_dddd_dddd_dddd_dddd_dddd_dddd_UTHRESH6: return "UTHRESH6";
whismanoid 0:68e64068330f 1199 case CMD_r010_1111_dddd_dddd_dddd_dddd_dddd_dddd_UTHRESH7: return "UTHRESH7";
whismanoid 0:68e64068330f 1200 case CMD_r011_0000_dddd_dddd_dddd_dddd_dddd_dddd_DATA0: return "DATA0";
whismanoid 0:68e64068330f 1201 case CMD_r011_0001_dddd_dddd_dddd_dddd_dddd_dddd_DATA1: return "DATA1";
whismanoid 0:68e64068330f 1202 case CMD_r011_0010_dddd_dddd_dddd_dddd_dddd_dddd_DATA2: return "DATA2";
whismanoid 0:68e64068330f 1203 case CMD_r011_0011_dddd_dddd_dddd_dddd_dddd_dddd_DATA3: return "DATA3";
whismanoid 0:68e64068330f 1204 case CMD_r011_0100_dddd_dddd_dddd_dddd_dddd_dddd_DATA4: return "DATA4";
whismanoid 0:68e64068330f 1205 case CMD_r011_0101_dddd_dddd_dddd_dddd_dddd_dddd_DATA5: return "DATA5";
whismanoid 0:68e64068330f 1206 case CMD_r011_0110_dddd_dddd_dddd_dddd_dddd_dddd_DATA6: return "DATA6";
whismanoid 0:68e64068330f 1207 case CMD_r011_0111_dddd_dddd_dddd_dddd_dddd_dddd_DATA7: return "DATA7";
whismanoid 0:68e64068330f 1208 case CMD_r011_1000_dddd_dddd_dddd_dddd_dxxx_dddd_STATUS: return "STATUS";
whismanoid 0:68e64068330f 1209 case CMD_r011_1001_dddd_dddd_dddd_dddd_dxxd_dddd_STATUS_IE: return "STATUS_IE";
whismanoid 0:68e64068330f 1210 case CMD_r011_1010_xaaa_aaaa_dddd_dddd_UC_0: return "UC_0";
whismanoid 0:68e64068330f 1211 case CMD_r011_1011_xaaa_aaaa_dddd_dddd_UC_1: return "UC_1";
whismanoid 0:68e64068330f 1212 case CMD_r011_1100_xaaa_aaaa_dddd_dddd_UC_2: return "UC_2";
whismanoid 0:68e64068330f 1213 case CMD_r011_1101_xaaa_aaaa_dddd_dddd_UC_3: return "UC_3";
whismanoid 0:68e64068330f 1214 case CMD_r011_1110_xaaa_aaaa_dddd_dddd_UC_4: return "UC_4";
whismanoid 0:68e64068330f 1215 case CMD_r011_1111_xaaa_aaaa_dddd_dddd_UC_5: return "UC_5";
whismanoid 0:68e64068330f 1216 case CMD_r100_0000_xaaa_aaaa_dddd_dddd_UC_6: return "UC_6";
whismanoid 0:68e64068330f 1217 case CMD_r100_0001_xaaa_aaaa_dddd_dddd_UC_7: return "UC_7";
whismanoid 0:68e64068330f 1218 case CMD_r100_0010_xaaa_aaaa_dddd_dddd_UC_8: return "UC_8";
whismanoid 0:68e64068330f 1219 case CMD_r100_0011_xaaa_aaaa_dddd_dddd_UC_9: return "UC_9";
whismanoid 0:68e64068330f 1220 case CMD_r100_0100_xaaa_aaaa_dddd_dddd_UC_10: return "UC_10";
whismanoid 0:68e64068330f 1221 case CMD_r100_0101_xaaa_aaaa_dddd_dddd_UC_11: return "UC_11";
whismanoid 0:68e64068330f 1222 case CMD_r100_0110_xaaa_aaaa_dddd_dddd_UC_12: return "UC_12";
whismanoid 0:68e64068330f 1223 case CMD_r100_0111_xaaa_aaaa_dddd_dddd_UC_13: return "UC_13";
whismanoid 0:68e64068330f 1224 case CMD_r100_1000_xaaa_aaaa_dddd_dddd_UC_14: return "UC_14";
whismanoid 0:68e64068330f 1225 case CMD_r100_1001_xaaa_aaaa_dddd_dddd_UC_15: return "UC_15";
whismanoid 0:68e64068330f 1226 case CMD_r100_1010_xaaa_aaaa_dddd_dddd_UC_16: return "UC_16";
whismanoid 0:68e64068330f 1227 case CMD_r100_1011_xaaa_aaaa_dddd_dddd_UC_17: return "UC_17";
whismanoid 0:68e64068330f 1228 case CMD_r100_1100_xaaa_aaaa_dddd_dddd_UC_18: return "UC_18";
whismanoid 0:68e64068330f 1229 case CMD_r100_1101_xaaa_aaaa_dddd_dddd_UC_19: return "UC_19";
whismanoid 0:68e64068330f 1230 case CMD_r100_1110_xaaa_aaaa_dddd_dddd_UC_20: return "UC_20";
whismanoid 0:68e64068330f 1231 case CMD_r100_1111_xaaa_aaaa_dddd_dddd_UC_21: return "UC_21";
whismanoid 0:68e64068330f 1232 case CMD_r101_0000_xaaa_aaaa_dddd_dddd_UC_22: return "UC_22";
whismanoid 0:68e64068330f 1233 case CMD_r101_0001_xaaa_aaaa_dddd_dddd_UC_23: return "UC_23";
whismanoid 0:68e64068330f 1234 case CMD_r101_0010_xaaa_aaaa_dddd_dddd_UC_24: return "UC_24";
whismanoid 0:68e64068330f 1235 case CMD_r101_0011_xaaa_aaaa_dddd_dddd_UC_25: return "UC_25";
whismanoid 0:68e64068330f 1236 case CMD_r101_0100_xaaa_aaaa_dddd_dddd_UC_26: return "UC_26";
whismanoid 0:68e64068330f 1237 case CMD_r101_0101_xaaa_aaaa_dddd_dddd_UC_27: return "UC_27";
whismanoid 0:68e64068330f 1238 case CMD_r101_0110_xaaa_aaaa_dddd_dddd_UC_28: return "UC_28";
whismanoid 0:68e64068330f 1239 case CMD_r101_0111_xaaa_aaaa_dddd_dddd_UC_29: return "UC_29";
whismanoid 0:68e64068330f 1240 case CMD_r101_1000_xaaa_aaaa_dddd_dddd_UC_30: return "UC_30";
whismanoid 0:68e64068330f 1241 case CMD_r101_1001_xaaa_aaaa_dddd_dddd_UC_31: return "UC_31";
whismanoid 0:68e64068330f 1242 case CMD_r101_1010_xaaa_aaaa_dddd_dddd_UC_32: return "UC_32";
whismanoid 0:68e64068330f 1243 case CMD_r101_1011_xaaa_aaaa_dddd_dddd_UC_33: return "UC_33";
whismanoid 0:68e64068330f 1244 case CMD_r101_1100_xaaa_aaaa_dddd_dddd_UC_34: return "UC_34";
whismanoid 0:68e64068330f 1245 case CMD_r101_1101_xaaa_aaaa_dddd_dddd_UC_35: return "UC_35";
whismanoid 0:68e64068330f 1246 case CMD_r101_1110_xaaa_aaaa_dddd_dddd_UC_36: return "UC_36";
whismanoid 0:68e64068330f 1247 case CMD_r101_1111_xaaa_aaaa_dddd_dddd_UC_37: return "UC_37";
whismanoid 0:68e64068330f 1248 case CMD_r110_0000_xaaa_aaaa_dddd_dddd_UC_38: return "UC_38";
whismanoid 0:68e64068330f 1249 case CMD_r110_0001_xaaa_aaaa_dddd_dddd_UC_39: return "UC_39";
whismanoid 0:68e64068330f 1250 case CMD_r110_0010_xaaa_aaaa_dddd_dddd_UC_40: return "UC_40";
whismanoid 0:68e64068330f 1251 case CMD_r110_0011_xaaa_aaaa_dddd_dddd_UC_41: return "UC_41";
whismanoid 0:68e64068330f 1252 case CMD_r110_0100_xaaa_aaaa_dddd_dddd_UC_42: return "UC_42";
whismanoid 0:68e64068330f 1253 case CMD_r110_0101_xaaa_aaaa_dddd_dddd_UC_43: return "UC_43";
whismanoid 0:68e64068330f 1254 case CMD_r110_0110_xaaa_aaaa_dddd_dddd_UC_44: return "UC_44";
whismanoid 0:68e64068330f 1255 case CMD_r110_0111_xaaa_aaaa_dddd_dddd_UC_45: return "UC_45";
whismanoid 0:68e64068330f 1256 case CMD_r110_1000_xaaa_aaaa_dddd_dddd_UC_46: return "UC_46";
whismanoid 0:68e64068330f 1257 case CMD_r110_1001_xaaa_aaaa_dddd_dddd_UC_47: return "UC_47";
whismanoid 0:68e64068330f 1258 case CMD_r110_1010_xaaa_aaaa_dddd_dddd_UC_48: return "UC_48";
whismanoid 0:68e64068330f 1259 case CMD_r110_1011_xaaa_aaaa_dddd_dddd_UC_49: return "UC_49";
whismanoid 0:68e64068330f 1260 case CMD_r110_1100_xaaa_aaaa_dddd_dddd_UC_50: return "UC_50";
whismanoid 0:68e64068330f 1261 case CMD_r110_1101_xaaa_aaaa_dddd_dddd_UC_51: return "UC_51";
whismanoid 0:68e64068330f 1262 case CMD_r110_1110_xaaa_aaaa_dddd_dddd_UC_52: return "UC_52";
whismanoid 0:68e64068330f 1263 case CMD_r110_1111_xxxx_xxxx_xaaa_aaaa_UCADDR: return "UCADDR";
whismanoid 0:68e64068330f 1264 }
whismanoid 0:68e64068330f 1265 }
whismanoid 0:68e64068330f 1266
whismanoid 0:68e64068330f 1267 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1268 // Menu item 'XF'
whismanoid 1:d57c1a2cb83c 1269 //
whismanoid 1:d57c1a2cb83c 1270 // FILTER Select Filter and Rate.
whismanoid 1:d57c1a2cb83c 1271 // Sets conversion rate based on RATE, LINEF, and CONV_TYPE value. See Table 9a through Table 9d for details.
whismanoid 1:d57c1a2cb83c 1272 // For CONV_TYPE_01_Continuous, linef=LINEF_11_SINC4, rate=RATE_0100 selects output data rate 60SPS.
whismanoid 1:d57c1a2cb83c 1273 //
whismanoid 1:d57c1a2cb83c 1274 // @param[in] linef = filter type, default=MAX11410::LINEF_enum_t::LINEF_11_SINC4
whismanoid 1:d57c1a2cb83c 1275 // @param[in] rate = output data rate selection, default=MAX11410::RATE_enum_t::RATE_0100
whismanoid 1:d57c1a2cb83c 1276 //
whismanoid 1:d57c1a2cb83c 1277 // @return 1 on success; 0 on failure
whismanoid 1:d57c1a2cb83c 1278 uint8_t MAX11410::Configure_FILTER(uint8_t linef, uint8_t rate)
whismanoid 1:d57c1a2cb83c 1279 {
whismanoid 1:d57c1a2cb83c 1280
whismanoid 1:d57c1a2cb83c 1281 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1282 // write8 0x08 FILTER
whismanoid 1:d57c1a2cb83c 1283 RegWrite(CMD_r000_1000_x0dd_dddd_FILTER, (uint8_t)(0
whismanoid 1:d57c1a2cb83c 1284 | (((uint8_t)linef & 3) << 4)
whismanoid 1:d57c1a2cb83c 1285 | (((uint8_t)rate & 15) << 0)
whismanoid 1:d57c1a2cb83c 1286 ));
whismanoid 1:d57c1a2cb83c 1287
whismanoid 1:d57c1a2cb83c 1288 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1289 // success
whismanoid 1:d57c1a2cb83c 1290 return 1;
whismanoid 1:d57c1a2cb83c 1291 }
whismanoid 1:d57c1a2cb83c 1292
whismanoid 1:d57c1a2cb83c 1293 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1294 // Menu item 'XP'
whismanoid 1:d57c1a2cb83c 1295 //
whismanoid 1:d57c1a2cb83c 1296 // PGA Select Gain and Signal Path.
whismanoid 1:d57c1a2cb83c 1297 //
whismanoid 1:d57c1a2cb83c 1298 // @param[in] sigpath = signal path, default=MAX11410::SIG_PATH_enum_t::SIG_PATH_00_BUFFERED
whismanoid 1:d57c1a2cb83c 1299 // @param[in] gain = gain selection, default=MAX11410::GAIN_enum_t::GAIN_000_1
whismanoid 1:d57c1a2cb83c 1300 //
whismanoid 1:d57c1a2cb83c 1301 // @return 1 on success; 0 on failure
whismanoid 1:d57c1a2cb83c 1302 uint8_t MAX11410::Configure_PGA(uint8_t sigpath, uint8_t gain)
whismanoid 1:d57c1a2cb83c 1303 {
whismanoid 1:d57c1a2cb83c 1304
whismanoid 1:d57c1a2cb83c 1305 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1306 // pga gain 1, 2, 4, 8, 16, 32, 64, or 128 based on gain index in register pga CMD_r000_1110_xxdd_xddd_PGA
whismanoid 1:d57c1a2cb83c 1307 static uint8_t pgaGainTable[8] = {1, 2, 4, 8, 16, 32, 64, 128};
whismanoid 1:d57c1a2cb83c 1308 pgaGain = (sigpath == SIG_PATH_10_PGA) ? pgaGainTable[(uint8_t)gain] : 1;
whismanoid 1:d57c1a2cb83c 1309
whismanoid 1:d57c1a2cb83c 1310 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1311 // write8 0x0E PGA
whismanoid 1:d57c1a2cb83c 1312 RegWrite(CMD_r000_1110_xxdd_xddd_PGA, (uint8_t)(0
whismanoid 1:d57c1a2cb83c 1313 | (((uint8_t)sigpath & 2) << 4)
whismanoid 1:d57c1a2cb83c 1314 | (((uint8_t)gain & 7) << 0)
whismanoid 1:d57c1a2cb83c 1315 ));
whismanoid 1:d57c1a2cb83c 1316
whismanoid 1:d57c1a2cb83c 1317 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1318 // success
whismanoid 1:d57c1a2cb83c 1319 return 1;
whismanoid 1:d57c1a2cb83c 1320 }
whismanoid 1:d57c1a2cb83c 1321
whismanoid 1:d57c1a2cb83c 1322 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1323 // Menu item 'XC'
whismanoid 1:d57c1a2cb83c 1324 //
whismanoid 1:d57c1a2cb83c 1325 // CTRL Select clock, format, and reference.
whismanoid 1:d57c1a2cb83c 1326 //
whismanoid 1:d57c1a2cb83c 1327 // @param[in] extclk = external clock enable, default=0
whismanoid 1:d57c1a2cb83c 1328 // @param[in] u_bn = unipolar input range enable, default=0
whismanoid 1:d57c1a2cb83c 1329 // @param[in] format = offset binary format enable, default=0
whismanoid 1:d57c1a2cb83c 1330 // @param[in] refbufp_en = REFP reference buffer enable, default=0
whismanoid 1:d57c1a2cb83c 1331 // @param[in] refbufn_en = REFN reference buffer enable, default=0
whismanoid 1:d57c1a2cb83c 1332 // @param[in] ref_sel = reference selection, default=MAX11410::REF_SEL_enum_t::REF_SEL_001_REF1P_REF1N
whismanoid 1:d57c1a2cb83c 1333 //
whismanoid 1:d57c1a2cb83c 1334 // @return 1 on success; 0 on failure
whismanoid 1:d57c1a2cb83c 1335 uint8_t MAX11410::Configure_CTRL(uint8_t extclk, uint8_t u_bn, uint8_t format, uint8_t refbufp_en, uint8_t refbufn_en, uint8_t ref_sel)
whismanoid 1:d57c1a2cb83c 1336 {
whismanoid 1:d57c1a2cb83c 1337
whismanoid 1:d57c1a2cb83c 1338 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1339 // shadow of register CMD_r000_1001_dddd_dddd_CTRL
whismanoid 1:d57c1a2cb83c 1340 ctrl = (uint8_t)(0
whismanoid 1:d57c1a2cb83c 1341 | (((uint8_t)extclk & 1) << 7)
whismanoid 1:d57c1a2cb83c 1342 | (((uint8_t)u_bn & 1) << 6)
whismanoid 1:d57c1a2cb83c 1343 | (((uint8_t)format & 1) << 5)
whismanoid 1:d57c1a2cb83c 1344 | (((uint8_t)refbufp_en & 1) << 4)
whismanoid 1:d57c1a2cb83c 1345 | (((uint8_t)refbufn_en & 1) << 3)
whismanoid 1:d57c1a2cb83c 1346 | (((uint8_t)ref_sel & 7) << 0)
whismanoid 1:d57c1a2cb83c 1347 );
whismanoid 1:d57c1a2cb83c 1348
whismanoid 1:d57c1a2cb83c 1349 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1350 // write8 0x09 CTRL
whismanoid 1:d57c1a2cb83c 1351 RegWrite(CMD_r000_1001_dddd_dddd_CTRL, ctrl);
whismanoid 1:d57c1a2cb83c 1352
whismanoid 1:d57c1a2cb83c 1353 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1354 // success
whismanoid 1:d57c1a2cb83c 1355 return 1;
whismanoid 1:d57c1a2cb83c 1356 }
whismanoid 1:d57c1a2cb83c 1357
whismanoid 1:d57c1a2cb83c 1358 //----------------------------------------
whismanoid 14:b49eecf7e4d8 1359 // Menu item 'XR'
whismanoid 14:b49eecf7e4d8 1360 //
whismanoid 14:b49eecf7e4d8 1361 // CTRL select reference, without changing the other fields.
whismanoid 14:b49eecf7e4d8 1362 //
whismanoid 14:b49eecf7e4d8 1363 // @pre ctrl = shadow of CTRL register
whismanoid 14:b49eecf7e4d8 1364 // @param[in] ref_sel = reference selection, default=MAX11410::REF_SEL_enum_t::REF_SEL_001_REF1P_REF1N
whismanoid 14:b49eecf7e4d8 1365 //
whismanoid 14:b49eecf7e4d8 1366 // @return 1 on success; 0 on failure
whismanoid 14:b49eecf7e4d8 1367 uint8_t MAX11410::Configure_CTRL_REF(uint8_t ref_sel)
whismanoid 14:b49eecf7e4d8 1368 {
whismanoid 14:b49eecf7e4d8 1369
whismanoid 14:b49eecf7e4d8 1370 //----------------------------------------
whismanoid 14:b49eecf7e4d8 1371 // shadow of register CMD_r000_1001_dddd_dddd_CTRL
whismanoid 14:b49eecf7e4d8 1372 ctrl = (ctrl & ((~ 7) << 0))
whismanoid 14:b49eecf7e4d8 1373 | (((uint8_t)ref_sel & 7) << 0);
whismanoid 14:b49eecf7e4d8 1374
whismanoid 14:b49eecf7e4d8 1375 //----------------------------------------
whismanoid 14:b49eecf7e4d8 1376 // write8 0x09 CTRL
whismanoid 14:b49eecf7e4d8 1377 RegWrite(CMD_r000_1001_dddd_dddd_CTRL, ctrl);
whismanoid 14:b49eecf7e4d8 1378
whismanoid 14:b49eecf7e4d8 1379 //----------------------------------------
whismanoid 14:b49eecf7e4d8 1380 // success
whismanoid 14:b49eecf7e4d8 1381 return 1;
whismanoid 14:b49eecf7e4d8 1382 }
whismanoid 14:b49eecf7e4d8 1383
whismanoid 14:b49eecf7e4d8 1384 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1385 // Menu item 'XS'
whismanoid 1:d57c1a2cb83c 1386 //
whismanoid 1:d57c1a2cb83c 1387 // SOURCE Configure voltage bias source, current source, burnout mode
whismanoid 1:d57c1a2cb83c 1388 //
whismanoid 1:d57c1a2cb83c 1389 // @param[in] vbias_mode = _______, default=MAX11410::VBIAS_MODE_enum_t::VBIAS_MODE_00_Active
whismanoid 1:d57c1a2cb83c 1390 // @param[in] brn_mode = _______, default=MAX11410::BRN_MODE_enum_t::BRN_MODE_00_disabled
whismanoid 1:d57c1a2cb83c 1391 // @param[in] idac_mode = _______, default=MAX11410::IDAC_MODE_enum_t::IDAC_MODE_0000_10uA
whismanoid 1:d57c1a2cb83c 1392 //
whismanoid 1:d57c1a2cb83c 1393 // @return 1 on success; 0 on failure
whismanoid 1:d57c1a2cb83c 1394 uint8_t MAX11410::Configure_SOURCE(uint8_t vbias_mode, uint8_t brn_mode, uint8_t idac_mode)
whismanoid 1:d57c1a2cb83c 1395 {
whismanoid 1:d57c1a2cb83c 1396
whismanoid 1:d57c1a2cb83c 1397 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1398 // warning -- WIP work in progress
whismanoid 1:d57c1a2cb83c 1399 #warning "Not Tested Yet: MAX11410::Configure_SOURCE..."
whismanoid 1:d57c1a2cb83c 1400
whismanoid 1:d57c1a2cb83c 1401 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1402 // write8 0x0A SOURCE
whismanoid 1:d57c1a2cb83c 1403 RegWrite(CMD_r000_1010_dddd_dddd_SOURCE, (uint8_t)(0
whismanoid 1:d57c1a2cb83c 1404 | (((uint8_t)vbias_mode & 3) << 6)
whismanoid 1:d57c1a2cb83c 1405 | (((uint8_t)brn_mode & 3) << 4)
whismanoid 1:d57c1a2cb83c 1406 | (((uint8_t)idac_mode & 15) << 0)
whismanoid 1:d57c1a2cb83c 1407 ));
whismanoid 1:d57c1a2cb83c 1408
whismanoid 1:d57c1a2cb83c 1409 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1410 // success
whismanoid 1:d57c1a2cb83c 1411 return 1;
whismanoid 1:d57c1a2cb83c 1412 }
whismanoid 1:d57c1a2cb83c 1413
whismanoid 1:d57c1a2cb83c 1414 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1415 // Menu item 'XM'
whismanoid 1:d57c1a2cb83c 1416 //
whismanoid 1:d57c1a2cb83c 1417 // MUX_CTRL0 Select pins for analog input AINP and AINN
whismanoid 1:d57c1a2cb83c 1418 //
whismanoid 1:d57c1a2cb83c 1419 // @param[in] ainp = channel high side, default=MAX11410::AINP_SEL_enum_t::AINP_SEL_0000_AIN0
whismanoid 1:d57c1a2cb83c 1420 // @param[in] ainn = channel low side, default=MAX11410::AINN_SEL_enum_t::AINN_SEL_1010_GND
whismanoid 1:d57c1a2cb83c 1421 //
whismanoid 1:d57c1a2cb83c 1422 // @return 1 on success; 0 on failure
whismanoid 1:d57c1a2cb83c 1423 uint8_t MAX11410::Configure_MUX_CTRL0(uint8_t ainp, uint8_t ainn)
whismanoid 1:d57c1a2cb83c 1424 {
whismanoid 1:d57c1a2cb83c 1425
whismanoid 1:d57c1a2cb83c 1426 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1427 // warning -- WIP work in progress
whismanoid 1:d57c1a2cb83c 1428 #warning "Not Tested Yet: MAX11410::Configure_MUX_CTRL0..."
whismanoid 1:d57c1a2cb83c 1429
whismanoid 1:d57c1a2cb83c 1430 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1431 // write8 0x0B MUX_CTRL0
whismanoid 1:d57c1a2cb83c 1432 RegWrite(CMD_r000_1011_dddd_dddd_MUX_CTRL0, (uint8_t)(0
whismanoid 1:d57c1a2cb83c 1433 | (((uint8_t)ainp & 15) << 4)
whismanoid 1:d57c1a2cb83c 1434 | (((uint8_t)ainn & 15) << 0)
whismanoid 1:d57c1a2cb83c 1435 ));
whismanoid 1:d57c1a2cb83c 1436
whismanoid 1:d57c1a2cb83c 1437 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1438 // success
whismanoid 1:d57c1a2cb83c 1439 return 1;
whismanoid 1:d57c1a2cb83c 1440 }
whismanoid 1:d57c1a2cb83c 1441
whismanoid 1:d57c1a2cb83c 1442 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1443 // Menu item 'XI'
whismanoid 1:d57c1a2cb83c 1444 //
whismanoid 1:d57c1a2cb83c 1445 // MUX_CTRL1 Select pins for current source
whismanoid 1:d57c1a2cb83c 1446 //
whismanoid 1:d57c1a2cb83c 1447 // @param[in] idac1_sel = channel high side, default=MAX11410::IDAC1_SEL_enum_t::IDAC1_SEL_1111_unconnected
whismanoid 1:d57c1a2cb83c 1448 // @param[in] idac0_sel = channel low side, default=MAX11410::IDAC0_SEL_enum_t::IDAC0_SEL_1111_unconnected
whismanoid 1:d57c1a2cb83c 1449 //
whismanoid 1:d57c1a2cb83c 1450 // @return 1 on success; 0 on failure
whismanoid 1:d57c1a2cb83c 1451 uint8_t MAX11410::Configure_MUX_CTRL1(uint8_t idac1_sel, uint8_t idac0_sel)
whismanoid 1:d57c1a2cb83c 1452 {
whismanoid 1:d57c1a2cb83c 1453
whismanoid 1:d57c1a2cb83c 1454 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1455 // warning -- WIP work in progress
whismanoid 1:d57c1a2cb83c 1456 #warning "Not Tested Yet: MAX11410::Configure_MUX_CTRL1..."
whismanoid 1:d57c1a2cb83c 1457
whismanoid 1:d57c1a2cb83c 1458 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1459 // write8 0x0C MUX_CTRL1
whismanoid 1:d57c1a2cb83c 1460 RegWrite(CMD_r000_1100_dddd_dddd_MUX_CTRL1, (uint8_t)(0
whismanoid 1:d57c1a2cb83c 1461 | (((uint8_t)idac1_sel & 15) << 4)
whismanoid 1:d57c1a2cb83c 1462 | (((uint8_t)idac0_sel & 15) << 0)
whismanoid 1:d57c1a2cb83c 1463 ));
whismanoid 1:d57c1a2cb83c 1464
whismanoid 1:d57c1a2cb83c 1465 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1466 // success
whismanoid 1:d57c1a2cb83c 1467 return 1;
whismanoid 1:d57c1a2cb83c 1468 }
whismanoid 1:d57c1a2cb83c 1469
whismanoid 1:d57c1a2cb83c 1470 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1471 // Menu item 'XV'
whismanoid 1:d57c1a2cb83c 1472 //
whismanoid 1:d57c1a2cb83c 1473 // MUX_CTRL2 Select pins for voltage bias source
whismanoid 1:d57c1a2cb83c 1474 //
whismanoid 1:d57c1a2cb83c 1475 // @param[in] vbias_ain7_ain0_bitmap = bit map of AIN7..AIN0 enables for voltage bias, default=0
whismanoid 1:d57c1a2cb83c 1476 //
whismanoid 1:d57c1a2cb83c 1477 // @return 1 on success; 0 on failure
whismanoid 1:d57c1a2cb83c 1478 uint8_t MAX11410::Configure_MUX_CTRL2(uint8_t vbias_ain7_ain0_bitmap)
whismanoid 1:d57c1a2cb83c 1479 {
whismanoid 1:d57c1a2cb83c 1480
whismanoid 1:d57c1a2cb83c 1481 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1482 // warning -- WIP work in progress
whismanoid 1:d57c1a2cb83c 1483 #warning "Not Tested Yet: MAX11410::Configure_MUX_CTRL2..."
whismanoid 1:d57c1a2cb83c 1484
whismanoid 1:d57c1a2cb83c 1485 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1486 // write8 0x0D MUX_CTRL2
whismanoid 1:d57c1a2cb83c 1487 RegWrite(CMD_r000_1101_dddd_dddd_MUX_CTRL2, vbias_ain7_ain0_bitmap);
whismanoid 1:d57c1a2cb83c 1488
whismanoid 1:d57c1a2cb83c 1489 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1490 // success
whismanoid 1:d57c1a2cb83c 1491 return 1;
whismanoid 1:d57c1a2cb83c 1492 }
whismanoid 1:d57c1a2cb83c 1493
whismanoid 1:d57c1a2cb83c 1494 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1495 // Menu item 'X0'
whismanoid 1:d57c1a2cb83c 1496 //
whismanoid 1:d57c1a2cb83c 1497 // CAL_START Calibrate Self Offset and Gain.
whismanoid 1:d57c1a2cb83c 1498 //
whismanoid 1:d57c1a2cb83c 1499 // @return 1 on success; 0 on failure
whismanoid 1:d57c1a2cb83c 1500 uint8_t MAX11410::Calibrate_Self_Offset_Gain(void)
whismanoid 1:d57c1a2cb83c 1501 {
whismanoid 1:d57c1a2cb83c 1502
whismanoid 1:d57c1a2cb83c 1503 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1504 // warning -- WIP work in progress
whismanoid 1:d57c1a2cb83c 1505 #warning "Not Tested Yet: MAX11410::Calibrate_Self_Offset_Gain..."
whismanoid 1:d57c1a2cb83c 1506
whismanoid 1:d57c1a2cb83c 1507 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1508 // write8 0x03 CAL_START
whismanoid 1:d57c1a2cb83c 1509 RegWrite(CMD_r000_0011_xxxx_xddd_CAL_START, (uint8_t)CAL_TYPE_000_SELF_CAL);
whismanoid 1:d57c1a2cb83c 1510
whismanoid 1:d57c1a2cb83c 1511 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1512 // success
whismanoid 1:d57c1a2cb83c 1513 return 1;
whismanoid 1:d57c1a2cb83c 1514 }
whismanoid 1:d57c1a2cb83c 1515
whismanoid 1:d57c1a2cb83c 1516 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1517 // Menu item 'X1'
whismanoid 1:d57c1a2cb83c 1518 //
whismanoid 1:d57c1a2cb83c 1519 // CAL_START Calibrate Selected PGA.
whismanoid 1:d57c1a2cb83c 1520 //
whismanoid 1:d57c1a2cb83c 1521 // @return 1 on success; 0 on failure
whismanoid 1:d57c1a2cb83c 1522 uint8_t MAX11410::Calibrate_PGA_Gain(void)
whismanoid 1:d57c1a2cb83c 1523 {
whismanoid 1:d57c1a2cb83c 1524
whismanoid 1:d57c1a2cb83c 1525 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1526 // warning -- WIP work in progress
whismanoid 1:d57c1a2cb83c 1527 #warning "Not Tested Yet: MAX11410::Calibrate_PGA_Gain..."
whismanoid 1:d57c1a2cb83c 1528
whismanoid 1:d57c1a2cb83c 1529 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1530 // write8 0x03 CAL_START
whismanoid 1:d57c1a2cb83c 1531 RegWrite(CMD_r000_0011_xxxx_xddd_CAL_START, (uint8_t)CAL_TYPE_001_PGA_GAIN);
whismanoid 1:d57c1a2cb83c 1532
whismanoid 1:d57c1a2cb83c 1533 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1534 // success
whismanoid 1:d57c1a2cb83c 1535 return 1;
whismanoid 1:d57c1a2cb83c 1536 }
whismanoid 1:d57c1a2cb83c 1537
whismanoid 1:d57c1a2cb83c 1538 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1539 // Menu item 'X4'
whismanoid 1:d57c1a2cb83c 1540 //
whismanoid 1:d57c1a2cb83c 1541 // CAL_START Calibrate System Offset A.
whismanoid 1:d57c1a2cb83c 1542 //
whismanoid 1:d57c1a2cb83c 1543 // @return 1 on success; 0 on failure
whismanoid 1:d57c1a2cb83c 1544 uint8_t MAX11410::Calibrate_System_Offset_A(void)
whismanoid 1:d57c1a2cb83c 1545 {
whismanoid 1:d57c1a2cb83c 1546
whismanoid 1:d57c1a2cb83c 1547 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1548 // warning -- WIP work in progress
whismanoid 1:d57c1a2cb83c 1549 #warning "Not Tested Yet: MAX11410::Calibrate_System_Offset_A..."
whismanoid 1:d57c1a2cb83c 1550
whismanoid 1:d57c1a2cb83c 1551 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1552 // write8 0x03 CAL_START
whismanoid 1:d57c1a2cb83c 1553 RegWrite(CMD_r000_0011_xxxx_xddd_CAL_START, (uint8_t)CAL_TYPE_100_SYS_OFF_A);
whismanoid 1:d57c1a2cb83c 1554
whismanoid 1:d57c1a2cb83c 1555 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1556 // success
whismanoid 1:d57c1a2cb83c 1557 return 1;
whismanoid 1:d57c1a2cb83c 1558 }
whismanoid 1:d57c1a2cb83c 1559
whismanoid 1:d57c1a2cb83c 1560 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1561 // Menu item 'X5'
whismanoid 1:d57c1a2cb83c 1562 //
whismanoid 1:d57c1a2cb83c 1563 // X6 0x03 CAL_START 0x06 Calibrate System Offset B
whismanoid 1:d57c1a2cb83c 1564 // X7 0x03 CAL_START 0x07 Calibrate System Gain B
whismanoid 1:d57c1a2cb83c 1565 // CAL_START Calibrate System Gain A.
whismanoid 1:d57c1a2cb83c 1566 //
whismanoid 1:d57c1a2cb83c 1567 // @return 1 on success; 0 on failure
whismanoid 1:d57c1a2cb83c 1568 uint8_t MAX11410::Calibrate_System_Gain_A(void)
whismanoid 1:d57c1a2cb83c 1569 {
whismanoid 1:d57c1a2cb83c 1570
whismanoid 1:d57c1a2cb83c 1571 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1572 // warning -- WIP work in progress
whismanoid 1:d57c1a2cb83c 1573 #warning "Not Tested Yet: MAX11410::Calibrate_System_Gain_A..."
whismanoid 1:d57c1a2cb83c 1574
whismanoid 1:d57c1a2cb83c 1575 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1576 // write8 0x03 CAL_START
whismanoid 1:d57c1a2cb83c 1577 RegWrite(CMD_r000_0011_xxxx_xddd_CAL_START, (uint8_t)CAL_TYPE_101_SYS_GAIN_A);
whismanoid 1:d57c1a2cb83c 1578
whismanoid 1:d57c1a2cb83c 1579 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1580 // success
whismanoid 1:d57c1a2cb83c 1581 return 1;
whismanoid 1:d57c1a2cb83c 1582 }
whismanoid 1:d57c1a2cb83c 1583
whismanoid 1:d57c1a2cb83c 1584 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1585 // Menu item 'X6'
whismanoid 1:d57c1a2cb83c 1586 //
whismanoid 1:d57c1a2cb83c 1587 // CAL_START Calibrate System Offset B.
whismanoid 1:d57c1a2cb83c 1588 //
whismanoid 1:d57c1a2cb83c 1589 // @return 1 on success; 0 on failure
whismanoid 1:d57c1a2cb83c 1590 uint8_t MAX11410::Calibrate_System_Offset_B(void)
whismanoid 1:d57c1a2cb83c 1591 {
whismanoid 1:d57c1a2cb83c 1592
whismanoid 1:d57c1a2cb83c 1593 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1594 // warning -- WIP work in progress
whismanoid 1:d57c1a2cb83c 1595 #warning "Not Tested Yet: MAX11410::Calibrate_System_Offset_B..."
whismanoid 1:d57c1a2cb83c 1596
whismanoid 1:d57c1a2cb83c 1597 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1598 // write8 0x03 CAL_START
whismanoid 1:d57c1a2cb83c 1599 RegWrite(CMD_r000_0011_xxxx_xddd_CAL_START, (uint8_t)CAL_TYPE_110_SYS_OFF_B);
whismanoid 1:d57c1a2cb83c 1600
whismanoid 1:d57c1a2cb83c 1601 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1602 // success
whismanoid 1:d57c1a2cb83c 1603 return 1;
whismanoid 1:d57c1a2cb83c 1604 }
whismanoid 1:d57c1a2cb83c 1605
whismanoid 1:d57c1a2cb83c 1606 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1607 // Menu item 'X7'
whismanoid 1:d57c1a2cb83c 1608 //
whismanoid 1:d57c1a2cb83c 1609 // CAL_START Calibrate System Gain B.
whismanoid 1:d57c1a2cb83c 1610 //
whismanoid 1:d57c1a2cb83c 1611 // @return 1 on success; 0 on failure
whismanoid 1:d57c1a2cb83c 1612 uint8_t MAX11410::Calibrate_System_Gain_B(void)
whismanoid 1:d57c1a2cb83c 1613 {
whismanoid 1:d57c1a2cb83c 1614
whismanoid 1:d57c1a2cb83c 1615 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1616 // warning -- WIP work in progress
whismanoid 1:d57c1a2cb83c 1617 #warning "Not Tested Yet: MAX11410::Calibrate_System_Gain_B..."
whismanoid 1:d57c1a2cb83c 1618
whismanoid 1:d57c1a2cb83c 1619 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1620 // write8 0x03 CAL_START
whismanoid 1:d57c1a2cb83c 1621 RegWrite(CMD_r000_0011_xxxx_xddd_CAL_START, (uint8_t)CAL_TYPE_111_SYS_GAIN_B);
whismanoid 1:d57c1a2cb83c 1622
whismanoid 1:d57c1a2cb83c 1623 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1624 // success
whismanoid 1:d57c1a2cb83c 1625 return 1;
whismanoid 1:d57c1a2cb83c 1626 }
whismanoid 1:d57c1a2cb83c 1627
whismanoid 1:d57c1a2cb83c 1628 //----------------------------------------
whismanoid 0:68e64068330f 1629 // Configure Measurement for voltage input.
whismanoid 0:68e64068330f 1630 //
whismanoid 0:68e64068330f 1631 // Example code for typical voltage measurement.
whismanoid 0:68e64068330f 1632 //
whismanoid 0:68e64068330f 1633 // SPI register write sequence test AIN0-AGND voltage input using REF2=2.5V
whismanoid 0:68e64068330f 1634 // write8 0x00 PD = 0x03 (Reset Registers; enter Standby mode)
whismanoid 0:68e64068330f 1635 // write8 0x00 PD = 0x00 (NOP)
whismanoid 0:68e64068330f 1636 // write8 0x08 FILTER = 0x34 to select RATE_0100, LINEF_11_SINC4 60SPS (given CONV_TYPE_01_Continuous )
whismanoid 0:68e64068330f 1637 // write8 0x0B MUX_CTRL0 = 0x0A to select AINP=AIN0 and AINN=GND
whismanoid 0:68e64068330f 1638 // write8 0x09 CTRL = 0x02 to select reference REF2P/REF2N; or CTRL = 0x1A to select reference REF2P/REF2N with reference input buffers enabled; Data Format = Bipolar 2's Complement
whismanoid 0:68e64068330f 1639 // write8 0x0E PGA = 0x00 to select input path = Buffers, digital gain = 1V/V
whismanoid 0:68e64068330f 1640 // write8 0x01 CONV_START = 0x01 to set Conversion Mode = Continuous
whismanoid 0:68e64068330f 1641 // read24 0x80|0x38 STATUS (%SW 0xB8 0 0 0)
whismanoid 0:68e64068330f 1642 // read24 0x80|0x30 DATA0 (%SW 0xB0 0 0 0)
whismanoid 0:68e64068330f 1643 //
whismanoid 1:d57c1a2cb83c 1644 // @param[in] ainp = channel high side, default=AINP_SEL_enum_t::AINP_SEL_0000_AIN0
whismanoid 1:d57c1a2cb83c 1645 // @param[in] ainn = channel low side, default=AINN_SEL_enum_t::AINN_SEL_1010_GND
whismanoid 0:68e64068330f 1646 //
whismanoid 0:68e64068330f 1647 // @return 1 on success; 0 on failure
whismanoid 1:d57c1a2cb83c 1648 uint8_t MAX11410::Configure_Voltage(MAX11410_AINP_SEL_enum_t ainp, MAX11410_AINN_SEL_enum_t ainn)
whismanoid 0:68e64068330f 1649 {
whismanoid 0:68e64068330f 1650
whismanoid 0:68e64068330f 1651 //----------------------------------------
whismanoid 0:68e64068330f 1652 // warning -- WIP work in progress
whismanoid 0:68e64068330f 1653 #warning "Not Tested Yet: MAX11410::Configure_Voltage..."
whismanoid 0:68e64068330f 1654
whismanoid 0:68e64068330f 1655 //----------------------------------------
whismanoid 0:68e64068330f 1656 // write8 0x00 PD = 0x03 (Reset Registers; enter Standby mode)
whismanoid 0:68e64068330f 1657 RegWrite(CMD_r000_0000_xxxx_xxdd_PD, PD_11_Reset);
whismanoid 0:68e64068330f 1658
whismanoid 0:68e64068330f 1659 //----------------------------------------
whismanoid 0:68e64068330f 1660 // write8 0x00 PD = 0x00 (NOP)
whismanoid 0:68e64068330f 1661 RegWrite(CMD_r000_0000_xxxx_xxdd_PD, PD_00_Normal);
whismanoid 0:68e64068330f 1662
whismanoid 0:68e64068330f 1663 //----------------------------------------
whismanoid 0:68e64068330f 1664 // write8 0x08 FILTER = 0x34 to select RATE_0100, LINEF_11_SINC4 60SPS (given CONV_TYPE_01_Continuous)
whismanoid 2:eac67184cc0c 1665 Configure_FILTER((uint8_t) /* MAX11410::MAX11410_LINEF_enum_t:: */ LINEF_11_SINC4,
whismanoid 2:eac67184cc0c 1666 (uint8_t) /* MAX11410::MAX11410_RATE_enum_t:: */ RATE_0100);
whismanoid 0:68e64068330f 1667
whismanoid 0:68e64068330f 1668 //----------------------------------------
whismanoid 0:68e64068330f 1669 // write8 0x0B MUX_CTRL0 = 0x0A to select AINP=AIN0 and AINN=GND
whismanoid 1:d57c1a2cb83c 1670 Configure_MUX_CTRL0((uint8_t)AINP_SEL_0000_AIN0, (uint8_t)AINN_SEL_1010_GND);
whismanoid 0:68e64068330f 1671
whismanoid 0:68e64068330f 1672 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1673 // write8 0x09 CTRL to select reference REF2P/REF2N; Data Format = Bipolar 2's Complement
whismanoid 1:d57c1a2cb83c 1674 Configure_CTRL(/*extclk*/ 0, /*u_bn*/ 0, /*format*/ 0,
whismanoid 1:d57c1a2cb83c 1675 /*refbufp_en*/ 0, /*refbufn_en*/ 0,
whismanoid 1:d57c1a2cb83c 1676 /*ref_sel*/ (uint8_t)REF_SEL_010_REF2P_REF2N);
whismanoid 0:68e64068330f 1677
whismanoid 0:68e64068330f 1678 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1679 // write8 0x0E PGA
whismanoid 2:eac67184cc0c 1680 Configure_PGA((uint8_t) /* MAX11410_SIG_PATH_enum_t:: */ SIG_PATH_00_BUFFERED,
whismanoid 2:eac67184cc0c 1681 (uint8_t) /* MAX11410_GAIN_enum_t:: */ GAIN_000_1);
whismanoid 0:68e64068330f 1682
whismanoid 0:68e64068330f 1683 //----------------------------------------
whismanoid 0:68e64068330f 1684 // write8 0x01 CONV_START = 0x01 to set Conversion Mode = Continuous
whismanoid 0:68e64068330f 1685 RegWrite(CMD_r000_0001_xddd_xxdd_CONV_START, 0x01);
whismanoid 0:68e64068330f 1686
whismanoid 0:68e64068330f 1687 //----------------------------------------
whismanoid 0:68e64068330f 1688 // read24 0x80|0x38 STATUS (%SW 0xB8 0 0 0)
whismanoid 0:68e64068330f 1689 RegRead(CMD_r011_1000_dddd_dddd_dddd_dddd_dxxx_dddd_STATUS, &status);
whismanoid 0:68e64068330f 1690
whismanoid 0:68e64068330f 1691 //----------------------------------------
whismanoid 0:68e64068330f 1692 // read24 0x80|0x30 DATA0 (%SW 0xB0 0 0 0)
whismanoid 0:68e64068330f 1693 RegRead(CMD_r011_0000_dddd_dddd_dddd_dddd_dddd_dddd_DATA0, &data0);
whismanoid 0:68e64068330f 1694
whismanoid 0:68e64068330f 1695 //----------------------------------------
whismanoid 0:68e64068330f 1696 // success
whismanoid 0:68e64068330f 1697 return 1;
whismanoid 0:68e64068330f 1698 }
whismanoid 0:68e64068330f 1699
whismanoid 0:68e64068330f 1700 //----------------------------------------
whismanoid 13:df96a784cda6 1701 // Menu item '$' -> AINcode[0], AINcode[1], AINcode[2], AINcode[3], AINcode[4], AINcode[5], AINcode[6], AINcode[7], AINcode[8], AINcode[9], AINcode[10]
whismanoid 17:0e9f2dfc2a30 1702 //
whismanoid 1:d57c1a2cb83c 1703 // Measure all ADC channels in sequence.
whismanoid 17:0e9f2dfc2a30 1704 // Diagnostic output pulse on GP0 for each channel's measurement.
whismanoid 17:0e9f2dfc2a30 1705 // Diagnostic output pulse on GP1 for entire loop.
whismanoid 17:0e9f2dfc2a30 1706 //
whismanoid 8:3a9dfa2e8234 1707 // @post AINcode[0..10]: measurement result LSB code
whismanoid 0:68e64068330f 1708 //
whismanoid 0:68e64068330f 1709 // @return 1 on success; 0 on failure
whismanoid 1:d57c1a2cb83c 1710 uint8_t MAX11410::Read_All_Voltages(void)
whismanoid 0:68e64068330f 1711 {
whismanoid 0:68e64068330f 1712
whismanoid 0:68e64068330f 1713 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1714 // scan AIN0..AIN9
whismanoid 17:0e9f2dfc2a30 1715 //
whismanoid 17:0e9f2dfc2a30 1716 // diagnostic GPIO pulse on MAX11410 GP1 pin (0xc3 = logic 0, 0xc4 = logic 1)
whismanoid 17:0e9f2dfc2a30 1717 RegWrite(CMD_r000_0101_dddd_xddd_GP1_CTRL, 0xc3); // GP1 = 0
whismanoid 17:0e9f2dfc2a30 1718 //
whismanoid 1:d57c1a2cb83c 1719 const MAX11410_AINN_SEL_enum_t ainn = AINN_SEL_1010_GND;
whismanoid 2:eac67184cc0c 1720 for(uint8_t ainp = /* MAX11410_AINP_SEL_enum_t:: */ AINP_SEL_0000_AIN0; ainp <= /* MAX11410_AINP_SEL_enum_t:: */ AINP_SEL_1010_AVDD; ainp++)
whismanoid 1:d57c1a2cb83c 1721 {
whismanoid 17:0e9f2dfc2a30 1722 // diagnostic GPIO pulse on MAX11410 GP0 pin (0xc3 = logic 0, 0xc4 = logic 1)
whismanoid 17:0e9f2dfc2a30 1723 RegWrite(CMD_r000_0100_dddd_xddd_GP0_CTRL, 0xc3); // GP0 = 0
whismanoid 17:0e9f2dfc2a30 1724 //
whismanoid 1:d57c1a2cb83c 1725 Measure_Voltage((MAX11410_AINP_SEL_enum_t)ainp, ainn);
whismanoid 17:0e9f2dfc2a30 1726 // @post AINcode[ainp]: measurement result LSB code
whismanoid 17:0e9f2dfc2a30 1727 //
whismanoid 17:0e9f2dfc2a30 1728 // diagnostic GPIO pulse on MAX11410 GP0 pin (0xc3 = logic 0, 0xc4 = logic 1)
whismanoid 17:0e9f2dfc2a30 1729 RegWrite(CMD_r000_0100_dddd_xddd_GP0_CTRL, 0xc4); // GP0 = 1
whismanoid 17:0e9f2dfc2a30 1730 //
whismanoid 1:d57c1a2cb83c 1731 }
whismanoid 17:0e9f2dfc2a30 1732 // diagnostic GPIO pulse on MAX11410 GP1 pin (0xc3 = logic 0, 0xc4 = logic 1)
whismanoid 17:0e9f2dfc2a30 1733 RegWrite(CMD_r000_0101_dddd_xddd_GP1_CTRL, 0xc4); // GP1 = 1
whismanoid 17:0e9f2dfc2a30 1734 //
whismanoid 0:68e64068330f 1735
whismanoid 0:68e64068330f 1736 //----------------------------------------
whismanoid 0:68e64068330f 1737 // success
whismanoid 0:68e64068330f 1738 return 1;
whismanoid 0:68e64068330f 1739 }
whismanoid 0:68e64068330f 1740
whismanoid 0:68e64068330f 1741 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1742 // Menu item 'V'
whismanoid 0:68e64068330f 1743 // Trigger Measurement for voltage input.
whismanoid 0:68e64068330f 1744 //
whismanoid 0:68e64068330f 1745 // Example code for typical voltage measurement.
whismanoid 0:68e64068330f 1746 //
whismanoid 1:d57c1a2cb83c 1747 // @pre external connection REF2P-REF2N is a reference voltage
whismanoid 1:d57c1a2cb83c 1748 // @pre VRef = Voltage of REF input, in Volts
whismanoid 1:d57c1a2cb83c 1749 // @param[in] ainp = channel high side, default=AINP_SEL_0000_AIN0
whismanoid 1:d57c1a2cb83c 1750 // @param[in] ainn = channel low side, default=AINN_SEL_1010_GND
whismanoid 1:d57c1a2cb83c 1751 // @post AINcode[ainp]: measurement result LSB code
whismanoid 0:68e64068330f 1752 //
whismanoid 1:d57c1a2cb83c 1753 // @return ideal voltage calculated from raw LSB code and reference voltage
whismanoid 1:d57c1a2cb83c 1754 double MAX11410::Measure_Voltage(MAX11410_AINP_SEL_enum_t ainp, MAX11410_AINN_SEL_enum_t ainn)
whismanoid 0:68e64068330f 1755 {
whismanoid 0:68e64068330f 1756
whismanoid 0:68e64068330f 1757 //----------------------------------------
whismanoid 8:3a9dfa2e8234 1758 // restrict channel selection to valid index range
whismanoid 8:3a9dfa2e8234 1759 if ((uint8_t)ainp > /* MAX11410_AINP_SEL_enum_t:: */ AINP_SEL_1010_AVDD)
whismanoid 8:3a9dfa2e8234 1760 {
whismanoid 8:3a9dfa2e8234 1761 ainp = /* MAX11410_AINP_SEL_enum_t:: */ AINP_SEL_1010_AVDD;
whismanoid 8:3a9dfa2e8234 1762 }
whismanoid 8:3a9dfa2e8234 1763
whismanoid 8:3a9dfa2e8234 1764 //----------------------------------------
whismanoid 8:3a9dfa2e8234 1765 // restrict channel selection to valid index range
whismanoid 8:3a9dfa2e8234 1766 if ((uint8_t)ainn > /* MAX11410_AINN_SEL_enum_t:: */ AINN_SEL_1010_GND)
whismanoid 8:3a9dfa2e8234 1767 {
whismanoid 8:3a9dfa2e8234 1768 ainn = /* MAX11410_AINN_SEL_enum_t:: */ AINN_SEL_1010_GND;
whismanoid 8:3a9dfa2e8234 1769 }
whismanoid 8:3a9dfa2e8234 1770
whismanoid 8:3a9dfa2e8234 1771 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1772 // write8 0x0B MUX_CTRL0 = 0x0A to select AINP=AIN0 and AINN=GND
whismanoid 1:d57c1a2cb83c 1773 Configure_MUX_CTRL0((uint8_t)ainp, (uint8_t)ainn);
whismanoid 1:d57c1a2cb83c 1774
whismanoid 1:d57c1a2cb83c 1775 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1776 // write8 0x09 CTRL to select reference REF2P/REF2N; Data Format = Bipolar 2's Complement
whismanoid 1:d57c1a2cb83c 1777 Configure_CTRL(/*extclk*/ 0, /*u_bn*/ 0, /*format*/ 0,
whismanoid 1:d57c1a2cb83c 1778 /*refbufp_en*/ 0, /*refbufn_en*/ 0,
whismanoid 1:d57c1a2cb83c 1779 /*ref_sel*/ (uint8_t)REF_SEL_010_REF2P_REF2N);
whismanoid 1:d57c1a2cb83c 1780
whismanoid 1:d57c1a2cb83c 1781 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1782 // write8 0x0E PGA
whismanoid 2:eac67184cc0c 1783 Configure_PGA((uint8_t) /* MAX11410_SIG_PATH_enum_t:: */ SIG_PATH_00_BUFFERED,
whismanoid 2:eac67184cc0c 1784 (uint8_t) /* MAX11410_GAIN_enum_t:: */ GAIN_000_1);
whismanoid 1:d57c1a2cb83c 1785
whismanoid 1:d57c1a2cb83c 1786 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1787 // write8 0x08 FILTER = 0x34 to select RATE_0100, LINEF_11_SINC4 60SPS (given CONV_TYPE_01_Continuous)
whismanoid 2:eac67184cc0c 1788 Configure_FILTER((uint8_t) /* MAX11410::MAX11410_LINEF_enum_t:: */ LINEF_11_SINC4,
whismanoid 2:eac67184cc0c 1789 (uint8_t) /* MAX11410::MAX11410_RATE_enum_t:: */ RATE_0100);
whismanoid 1:d57c1a2cb83c 1790
whismanoid 1:d57c1a2cb83c 1791 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1792 // write8 0x01 CONV_START = 0x01 to set Conversion Mode = Continuous
whismanoid 1:d57c1a2cb83c 1793 RegWrite(CMD_r000_0001_xddd_xxdd_CONV_START, 0x01);
whismanoid 0:68e64068330f 1794
whismanoid 0:68e64068330f 1795 //----------------------------------------
whismanoid 0:68e64068330f 1796 // read24 0x80|0x38 STATUS (%SW 0xB8 0 0 0)
whismanoid 0:68e64068330f 1797 RegRead(CMD_r011_1000_dddd_dddd_dddd_dddd_dxxx_dddd_STATUS, &status);
whismanoid 0:68e64068330f 1798
whismanoid 0:68e64068330f 1799 //----------------------------------------
whismanoid 9:06ca88952f1c 1800 // TODO1: wait until STATUS_enum_t::STATUS_000010_DATA_RDY indicates data is available
whismanoid 13:df96a784cda6 1801 // A bad SPI interface can cause bit slippage, which makes this loop get stuck. Expect *PART_ID? = 0x000F02
whismanoid 13:df96a784cda6 1802 // while ((status & /* MAX11410_STATUS_enum_t:: */ STATUS_000010_DATA_RDY) == 0) {
whismanoid 13:df96a784cda6 1803 // possible infinite loop; need a timeout or futility countdown to escape
whismanoid 21:847b2220e96e 1804 for (int futility_countdown = futility_countdown_limit;
whismanoid 13:df96a784cda6 1805 ((futility_countdown > 0) &&
whismanoid 13:df96a784cda6 1806 ((status & /* MAX11410_STATUS_enum_t:: */ STATUS_000010_DATA_RDY) == 0));
whismanoid 13:df96a784cda6 1807 futility_countdown--)
whismanoid 13:df96a784cda6 1808 {
whismanoid 9:06ca88952f1c 1809 RegRead(CMD_r011_1000_dddd_dddd_dddd_dddd_dxxx_dddd_STATUS, &status);
whismanoid 9:06ca88952f1c 1810 }
whismanoid 9:06ca88952f1c 1811
whismanoid 9:06ca88952f1c 1812 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1813 // read24 0x80|0x30 DATA0 (%SW 0xB0 0 0 0): AINcode[ainp] = measurement
whismanoid 1:d57c1a2cb83c 1814 RegRead(CMD_r011_0000_dddd_dddd_dddd_dddd_dddd_dddd_DATA0, &AINcode[((int)ainp & 0x0F)]);
whismanoid 1:d57c1a2cb83c 1815 data0 = AINcode[((int)ainp & 0x0F)];
whismanoid 0:68e64068330f 1816
whismanoid 0:68e64068330f 1817 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1818 // ideal voltage calculated from raw LSB code and reference voltage
whismanoid 1:d57c1a2cb83c 1819 return VoltageOfCode(AINcode[((int)ainp & 0x0F)]);
whismanoid 0:68e64068330f 1820 }
whismanoid 0:68e64068330f 1821
whismanoid 0:68e64068330f 1822 //----------------------------------------
whismanoid 5:a2e74357cfc0 1823 // Menu item 'R' -> rtd_resistance, RTD_Temperature
whismanoid 0:68e64068330f 1824 // Trigger Measurement for Resistive Temperature Device (RTD).
whismanoid 0:68e64068330f 1825 //
whismanoid 0:68e64068330f 1826 // Example code for typical RTD measurement.
whismanoid 0:68e64068330f 1827 //
whismanoid 1:d57c1a2cb83c 1828 // @pre external connection REF1P-REF1N is a reference resistor
whismanoid 1:d57c1a2cb83c 1829 // @pre VRef_REF1 = reference resistance in ohms, default=4999
whismanoid 1:d57c1a2cb83c 1830 // @param[in] rtd_iout = channel RTD high side force, default=AINP_SEL_0111_AIN7
whismanoid 1:d57c1a2cb83c 1831 // @param[in] rtd_ainp = channel RTD high side sense, default=AINP_SEL_1000_AIN8
whismanoid 1:d57c1a2cb83c 1832 // @param[in] rtd_ainn = channel RTD low side, default=AINN_SEL_1001_AIN9
whismanoid 1:d57c1a2cb83c 1833 // @post AINcode[rtd_ainp]: measurement result LSB code
whismanoid 5:a2e74357cfc0 1834 // @post rtd_resistance: measurement result resistance in Ohms
whismanoid 5:a2e74357cfc0 1835 // @post RTD_Temperature: Temperature calculated from RTD Resistance; Thermocouple Cold Junction, in degrees C
whismanoid 0:68e64068330f 1836 //
whismanoid 3:658a93dfb2d8 1837 // @return resistance calculated from raw LSB code and reference resistance
whismanoid 1:d57c1a2cb83c 1838 double MAX11410::Measure_RTD(MAX11410_AINP_SEL_enum_t rtd_iout, MAX11410_AINP_SEL_enum_t rtd_ainp, MAX11410_AINN_SEL_enum_t rtd_ainn)
whismanoid 0:68e64068330f 1839 {
whismanoid 0:68e64068330f 1840
whismanoid 0:68e64068330f 1841 //----------------------------------------
whismanoid 8:3a9dfa2e8234 1842 // restrict channel selection to valid index range
whismanoid 8:3a9dfa2e8234 1843 if ((uint8_t)rtd_iout > /* MAX11410_AINP_SEL_enum_t:: */ AINP_SEL_1010_AVDD)
whismanoid 8:3a9dfa2e8234 1844 {
whismanoid 8:3a9dfa2e8234 1845 rtd_iout = /* MAX11410_AINP_SEL_enum_t:: */ AINP_SEL_1010_AVDD;
whismanoid 8:3a9dfa2e8234 1846 }
whismanoid 8:3a9dfa2e8234 1847
whismanoid 8:3a9dfa2e8234 1848 //----------------------------------------
whismanoid 8:3a9dfa2e8234 1849 // restrict channel selection to valid index range
whismanoid 8:3a9dfa2e8234 1850 if ((uint8_t)rtd_ainp > /* MAX11410_AINP_SEL_enum_t:: */ AINP_SEL_1010_AVDD)
whismanoid 8:3a9dfa2e8234 1851 {
whismanoid 8:3a9dfa2e8234 1852 rtd_ainp = /* MAX11410_AINP_SEL_enum_t:: */ AINP_SEL_1010_AVDD;
whismanoid 8:3a9dfa2e8234 1853 }
whismanoid 8:3a9dfa2e8234 1854
whismanoid 8:3a9dfa2e8234 1855 //----------------------------------------
whismanoid 8:3a9dfa2e8234 1856 // restrict channel selection to valid index range
whismanoid 8:3a9dfa2e8234 1857 if ((uint8_t)rtd_ainn > /* MAX11410_AINN_SEL_enum_t:: */ AINN_SEL_1010_GND)
whismanoid 8:3a9dfa2e8234 1858 {
whismanoid 8:3a9dfa2e8234 1859 rtd_ainn = /* MAX11410_AINN_SEL_enum_t:: */ AINN_SEL_1010_GND;
whismanoid 8:3a9dfa2e8234 1860 }
whismanoid 8:3a9dfa2e8234 1861
whismanoid 8:3a9dfa2e8234 1862 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1863 // write8 0x08 FILTER = 0x34 to select RATE_0100, LINEF_11_SINC4 60SPS (given CONV_TYPE_01_Continuous)
whismanoid 2:eac67184cc0c 1864 Configure_FILTER((uint8_t) /* MAX11410::MAX11410_LINEF_enum_t:: */ LINEF_11_SINC4,
whismanoid 2:eac67184cc0c 1865 (uint8_t) /* MAX11410::MAX11410_RATE_enum_t:: */ RATE_0100);
whismanoid 1:d57c1a2cb83c 1866
whismanoid 1:d57c1a2cb83c 1867 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1868 // write8 0x09 CTRL to select reference resistor REF1P/REF1N; Data Format = Unipolar
whismanoid 1:d57c1a2cb83c 1869 Configure_CTRL(/*extclk*/ 0, /*u_bn*/ 1, /*format*/ 0,
whismanoid 1:d57c1a2cb83c 1870 /*refbufp_en*/ 0, /*refbufn_en*/ 0,
whismanoid 1:d57c1a2cb83c 1871 /*ref_sel*/ (uint8_t)REF_SEL_001_REF1P_REF1N);
whismanoid 1:d57c1a2cb83c 1872
whismanoid 1:d57c1a2cb83c 1873 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1874 // write8 0x0A SOURCE = 0x0B to select IDAC_MODE 400uA; AIN9=2.000V, AIN8(PT100)=2.040V, AIN8(PT1000)=2.400V
whismanoid 1:d57c1a2cb83c 1875 Configure_SOURCE(VBIAS_MODE_00_Active, BRN_MODE_00_disabled, IDAC_MODE_1011_400uA);
whismanoid 1:d57c1a2cb83c 1876
whismanoid 1:d57c1a2cb83c 1877 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1878 // write8 0x0B MUX_CTRL0 = 0x89 to select AINP=AIN8 and AINN=AIN9
whismanoid 1:d57c1a2cb83c 1879 Configure_MUX_CTRL0((uint8_t)rtd_ainp, (uint8_t)rtd_ainn);
whismanoid 1:d57c1a2cb83c 1880
whismanoid 1:d57c1a2cb83c 1881 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1882 // write8 0x0C MUX_CTRL1 = 0xF7 to select IDAC1_SEL=NC, IDAC0_SEL=AIN7
whismanoid 1:d57c1a2cb83c 1883 Configure_MUX_CTRL1((uint8_t)IDAC1_SEL_1111_unconnected, (uint8_t)rtd_iout);
whismanoid 1:d57c1a2cb83c 1884
whismanoid 1:d57c1a2cb83c 1885 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1886 // write8 0x0E PGA
whismanoid 2:eac67184cc0c 1887 Configure_PGA((uint8_t) /* MAX11410_SIG_PATH_enum_t:: */ SIG_PATH_10_PGA,
whismanoid 2:eac67184cc0c 1888 (uint8_t) /* MAX11410_GAIN_enum_t:: */ GAIN_001_2);
whismanoid 1:d57c1a2cb83c 1889
whismanoid 1:d57c1a2cb83c 1890 //----------------------------------------
whismanoid 16:00aa1e5a6843 1891 // diagnostic GPIO pulse on GP1 during RTD_power_up_interval_msec
whismanoid 16:00aa1e5a6843 1892 RegWrite(CMD_r000_0101_dddd_xddd_GP1_CTRL, 0xc3); // diagnostic GPIO pulse GP1
whismanoid 16:00aa1e5a6843 1893 // write8 0x05 GP1_CTRL (%SW 0x05 0xc3) 11000 output 011 logic 0
whismanoid 16:00aa1e5a6843 1894
whismanoid 16:00aa1e5a6843 1895 //----------------------------------------
whismanoid 21:847b2220e96e 1896 // timing delay after enable RTD bias current
whismanoid 15:d5781c8fc002 1897 const int RTD_power_up_interval_msec = 100; // timing delay after enable RTD bias current
whismanoid 15:d5781c8fc002 1898 wait_ms(RTD_power_up_interval_msec); // timing delay function, platform-specific
whismanoid 9:06ca88952f1c 1899
whismanoid 9:06ca88952f1c 1900 //----------------------------------------
whismanoid 16:00aa1e5a6843 1901 // diagnostic GPIO pulse on GP1 during RTD_power_up_interval_msec
whismanoid 16:00aa1e5a6843 1902 RegWrite(CMD_r000_0101_dddd_xddd_GP1_CTRL, 0xc4); // diagnostic GPIO pulse GP1
whismanoid 16:00aa1e5a6843 1903 // write8 0x05 GP1_CTRL (%SW 0x05 0xc4) 11000 output 100 logic 1
whismanoid 16:00aa1e5a6843 1904
whismanoid 16:00aa1e5a6843 1905 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1906 // write8 0x01 CONV_START = 0x01 to set Conversion Mode = Continuous
whismanoid 1:d57c1a2cb83c 1907 RegWrite(CMD_r000_0001_xddd_xxdd_CONV_START, 0x01);
whismanoid 1:d57c1a2cb83c 1908
whismanoid 1:d57c1a2cb83c 1909 //----------------------------------------
whismanoid 0:68e64068330f 1910 // read24 0x80|0x38 STATUS (%SW 0xB8 0 0 0)
whismanoid 0:68e64068330f 1911 RegRead(CMD_r011_1000_dddd_dddd_dddd_dddd_dxxx_dddd_STATUS, &status);
whismanoid 0:68e64068330f 1912
whismanoid 0:68e64068330f 1913 //----------------------------------------
whismanoid 16:00aa1e5a6843 1914 // TODO1: wait until STATUS_enum_t::STATUS_000010_DATA_RDY indicates data is available
whismanoid 16:00aa1e5a6843 1915 // A bad SPI interface can cause bit slippage, which makes this loop get stuck. Expect *PART_ID? = 0x000F02
whismanoid 16:00aa1e5a6843 1916 // while ((status & /* MAX11410_STATUS_enum_t:: */ STATUS_000010_DATA_RDY) == 0) {
whismanoid 16:00aa1e5a6843 1917 // possible infinite loop; need a timeout or futility countdown to escape
whismanoid 21:847b2220e96e 1918 for (int futility_countdown = futility_countdown_limit;
whismanoid 16:00aa1e5a6843 1919 ((futility_countdown > 0) &&
whismanoid 16:00aa1e5a6843 1920 ((status & /* MAX11410_STATUS_enum_t:: */ STATUS_000010_DATA_RDY) == 0));
whismanoid 16:00aa1e5a6843 1921 futility_countdown--)
whismanoid 16:00aa1e5a6843 1922 {
whismanoid 16:00aa1e5a6843 1923 RegRead(CMD_r011_1000_dddd_dddd_dddd_dddd_dxxx_dddd_STATUS, &status);
whismanoid 16:00aa1e5a6843 1924 }
whismanoid 16:00aa1e5a6843 1925
whismanoid 16:00aa1e5a6843 1926 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1927 // read24 0x80|0x30 DATA0 (%SW 0xB0 0 0 0): AINcode[ainp] = measurement
whismanoid 1:d57c1a2cb83c 1928 RegRead(CMD_r011_0000_dddd_dddd_dddd_dddd_dddd_dddd_DATA0, &AINcode[((int)rtd_ainp & 0x0F)]);
whismanoid 1:d57c1a2cb83c 1929 data0 = AINcode[((int)rtd_ainp & 0x0F)];
whismanoid 0:68e64068330f 1930
whismanoid 0:68e64068330f 1931 //----------------------------------------
whismanoid 15:d5781c8fc002 1932 // TODO1: turn off RTD bias current to avoid self-heating: write8 0x0C MUX_CTRL1 = 0xFF to select IDAC1_SEL=NC, IDAC0_SEL=NC
whismanoid 15:d5781c8fc002 1933 Configure_MUX_CTRL1((uint8_t)IDAC1_SEL_1111_unconnected, (uint8_t)IDAC0_SEL_1111_unconnected);
whismanoid 9:06ca88952f1c 1934
whismanoid 9:06ca88952f1c 1935 //----------------------------------------
whismanoid 5:a2e74357cfc0 1936 // resistance calculated from raw LSB code and VRef_REF1 reference resistance in ohms
whismanoid 5:a2e74357cfc0 1937 rtd_resistance = VoltageOfCode(AINcode[((int)rtd_ainp & 0x0F)]);
whismanoid 16:00aa1e5a6843 1938 TemperatureOfRTD(rtd_resistance); // calculate RTD_Temperature
whismanoid 5:a2e74357cfc0 1939 return rtd_resistance;
whismanoid 0:68e64068330f 1940 }
whismanoid 0:68e64068330f 1941
whismanoid 0:68e64068330f 1942 //----------------------------------------
whismanoid 3:658a93dfb2d8 1943 // Return the physical temperature corresponding to measured resistance
whismanoid 3:658a93dfb2d8 1944 // of a PT1000 type Resistive Temperature Device (RTD).
whismanoid 3:658a93dfb2d8 1945 //
whismanoid 3:658a93dfb2d8 1946 // @param[in] rtd_resistance = RTD resistance in ohms, default=1000
whismanoid 5:a2e74357cfc0 1947 // @post RTD_Temperature: Temperature calculated from RTD Resistance; Thermocouple Cold Junction, in degrees C
whismanoid 3:658a93dfb2d8 1948 //
whismanoid 3:658a93dfb2d8 1949 // @return ideal temperature in degrees C, calculated from RTD resistance in ohms
whismanoid 21:847b2220e96e 1950 // @test group RTD_PT1000 // PT1000 type Resistive Temperature Device (RTD)
whismanoid 21:847b2220e96e 1951 // @test group RTD_PT1000 tinyTester.blink_time_msec = 20 // quickly speed through the software verification
whismanoid 19:50cf5da53d36 1952 // @test group RTD_PT1000 TemperatureOfRTD_PT1000(842.94) expect -40.0 within 0.1 // PT-1000 RTD at -40C
whismanoid 19:50cf5da53d36 1953 // @test group RTD_PT1000 TemperatureOfRTD_PT1000(1000.0) expect 0.0 within 0.1 // PT-1000 RTD at 0C
whismanoid 19:50cf5da53d36 1954 // @test group RTD_PT1000 TemperatureOfRTD_PT1000(1097.3) expect 25.0 within 0.1 // PT-1000 RTD at 25C
whismanoid 19:50cf5da53d36 1955 // @test group RTD_PT1000 TemperatureOfRTD_PT1000(1328.1) expect 85.0 within 0.1 // PT-1000 RTD at 85C
whismanoid 19:50cf5da53d36 1956 // @test group RTD_PT1000 TemperatureOfRTD_PT1000(1479.5) expect 125.0 within 0.1 // PT-1000 RTD at 125C
whismanoid 21:847b2220e96e 1957 // @test group RTD_PT1000 tinyTester.blink_time_msec = 75 // default 75 resume hardware self test
whismanoid 3:658a93dfb2d8 1958 //
whismanoid 3:658a93dfb2d8 1959 double MAX11410::TemperatureOfRTD_PT1000(double rtd_resistance)
whismanoid 3:658a93dfb2d8 1960 {
whismanoid 3:658a93dfb2d8 1961
whismanoid 3:658a93dfb2d8 1962 //----------------------------------------
whismanoid 3:658a93dfb2d8 1963 // Temperature from RTD Resistance maths
whismanoid 4:c169ba85d673 1964 // ITS-90 PT-1000 RTD
whismanoid 4:c169ba85d673 1965 double R0 = 1000.0;
whismanoid 4:c169ba85d673 1966 double a = 3.9083e-3;
whismanoid 4:c169ba85d673 1967 double b = -5.7750e-7;
whismanoid 5:a2e74357cfc0 1968 // calculate T from R and R0
whismanoid 4:c169ba85d673 1969 double sqrtTerm = sqrt(R0*R0 * a*a - 4*R0*b*(R0 - rtd_resistance));
whismanoid 4:c169ba85d673 1970 double denominator = 2 * R0 * b;
whismanoid 4:c169ba85d673 1971 RTD_Temperature = ((-R0 * a) + (sqrtTerm)) / denominator;
whismanoid 3:658a93dfb2d8 1972 return RTD_Temperature;
whismanoid 3:658a93dfb2d8 1973 }
whismanoid 3:658a93dfb2d8 1974
whismanoid 3:658a93dfb2d8 1975 //----------------------------------------
whismanoid 16:00aa1e5a6843 1976 // Return the physical temperature corresponding to measured resistance
whismanoid 16:00aa1e5a6843 1977 // of a PT100 type Resistive Temperature Device (RTD).
whismanoid 16:00aa1e5a6843 1978 //
whismanoid 16:00aa1e5a6843 1979 // @param[in] rtd_resistance = RTD resistance in ohms, default=100
whismanoid 16:00aa1e5a6843 1980 // @post RTD_Temperature: Temperature calculated from RTD Resistance; Thermocouple Cold Junction, in degrees C
whismanoid 16:00aa1e5a6843 1981 //
whismanoid 16:00aa1e5a6843 1982 // @return ideal temperature in degrees C, calculated from RTD resistance in ohms
whismanoid 21:847b2220e96e 1983 // @test group RTD_PT100 // PT100 type Resistive Temperature Device (RTD)
whismanoid 21:847b2220e96e 1984 // @test group RTD_PT100 tinyTester.blink_time_msec = 20 // quickly speed through the software verification
whismanoid 19:50cf5da53d36 1985 // @test group RTD_PT100 TemperatureOfRTD_PT100(84.294) expect -40.0 within 0.1 // PT-100 RTD at -40C
whismanoid 19:50cf5da53d36 1986 // @test group RTD_PT100 TemperatureOfRTD_PT100(100.00) expect 0.0 within 0.1 // PT-100 RTD at 0C
whismanoid 19:50cf5da53d36 1987 // @test group RTD_PT100 TemperatureOfRTD_PT100(109.73) expect 25.0 within 0.1 // PT-100 RTD at 25C
whismanoid 19:50cf5da53d36 1988 // @test group RTD_PT100 TemperatureOfRTD_PT100(132.81) expect 85.0 within 0.1 // PT-100 RTD at 85C
whismanoid 19:50cf5da53d36 1989 // @test group RTD_PT100 TemperatureOfRTD_PT100(147.95) expect 125.0 within 0.1 // PT-100 RTD at 125C
whismanoid 21:847b2220e96e 1990 // @test group RTD_PT100 tinyTester.blink_time_msec = 75 // default 75 resume hardware self test
whismanoid 16:00aa1e5a6843 1991 //
whismanoid 16:00aa1e5a6843 1992 double MAX11410::TemperatureOfRTD_PT100(double rtd_resistance)
whismanoid 16:00aa1e5a6843 1993 {
whismanoid 16:00aa1e5a6843 1994
whismanoid 16:00aa1e5a6843 1995 //----------------------------------------
whismanoid 16:00aa1e5a6843 1996 // Temperature from RTD Resistance maths
whismanoid 16:00aa1e5a6843 1997 // ITS-90 PT-100 RTD
whismanoid 16:00aa1e5a6843 1998 double R0 = 100.0;
whismanoid 16:00aa1e5a6843 1999 double a = 3.9083e-3;
whismanoid 16:00aa1e5a6843 2000 double b = -5.7750e-7;
whismanoid 16:00aa1e5a6843 2001 // calculate T from R and R0
whismanoid 16:00aa1e5a6843 2002 double sqrtTerm = sqrt(R0*R0 * a*a - 4*R0*b*(R0 - rtd_resistance));
whismanoid 16:00aa1e5a6843 2003 double denominator = 2 * R0 * b;
whismanoid 16:00aa1e5a6843 2004 RTD_Temperature = ((-R0 * a) + (sqrtTerm)) / denominator;
whismanoid 16:00aa1e5a6843 2005 return RTD_Temperature;
whismanoid 16:00aa1e5a6843 2006 }
whismanoid 16:00aa1e5a6843 2007
whismanoid 16:00aa1e5a6843 2008 //----------------------------------------
whismanoid 16:00aa1e5a6843 2009 // Return the physical temperature corresponding to measured resistance
whismanoid 16:00aa1e5a6843 2010 // of a PT100 or PT1000 type Resistive Temperature Device (RTD).
whismanoid 16:00aa1e5a6843 2011 //
whismanoid 16:00aa1e5a6843 2012 // @param[in] rtd_resistance = RTD resistance in ohms, default=100
whismanoid 16:00aa1e5a6843 2013 // @post RTD_Temperature: Temperature calculated from RTD Resistance; Thermocouple Cold Junction, in degrees C
whismanoid 16:00aa1e5a6843 2014 //
whismanoid 16:00aa1e5a6843 2015 // @return ideal temperature in degrees C, calculated from RTD resistance in ohms
whismanoid 19:50cf5da53d36 2016 // @test group RTD // Verify function TemperatureOfRTD
whismanoid 19:50cf5da53d36 2017 // @test group RTD tinyTester.blink_time_msec = 20 // quickly speed through the software verification
whismanoid 19:50cf5da53d36 2018 // @test group RTD TemperatureOfRTD(84.294) expect -40.0 within 0.1 // PT-100 RTD at -40C
whismanoid 19:50cf5da53d36 2019 // @test group RTD TemperatureOfRTD(100.00) expect 0.0 within 0.1 // PT-100 RTD at 0C
whismanoid 19:50cf5da53d36 2020 // @test group RTD TemperatureOfRTD(109.73) expect 25.0 within 0.1 // PT-100 RTD at 25C
whismanoid 19:50cf5da53d36 2021 // @test group RTD TemperatureOfRTD(132.81) expect 85.0 within 0.1 // PT-100 RTD at 85C
whismanoid 19:50cf5da53d36 2022 // @test group RTD TemperatureOfRTD(147.95) expect 125.0 within 0.1 // PT-100 RTD at 125C
whismanoid 19:50cf5da53d36 2023 // @test group RTD TemperatureOfRTD(842.94) expect -40.0 within 0.1 // PT-1000 RTD at -40C
whismanoid 19:50cf5da53d36 2024 // @test group RTD TemperatureOfRTD(1000.0) expect 0.0 within 0.1 // PT-1000 RTD at 0C
whismanoid 19:50cf5da53d36 2025 // @test group RTD TemperatureOfRTD(1097.3) expect 25.0 within 0.1 // PT-1000 RTD at 25C
whismanoid 19:50cf5da53d36 2026 // @test group RTD TemperatureOfRTD(1328.1) expect 85.0 within 0.1 // PT-1000 RTD at 85C
whismanoid 19:50cf5da53d36 2027 // @test group RTD TemperatureOfRTD(1479.5) expect 125.0 within 0.1 // PT-1000 RTD at 125C
whismanoid 21:847b2220e96e 2028 // @test group RTD tinyTester.blink_time_msec = 75 // default 75 resume hardware self test
whismanoid 16:00aa1e5a6843 2029 //
whismanoid 16:00aa1e5a6843 2030 double MAX11410::TemperatureOfRTD(double rtd_resistance)
whismanoid 16:00aa1e5a6843 2031 {
whismanoid 16:00aa1e5a6843 2032
whismanoid 16:00aa1e5a6843 2033 //----------------------------------------
whismanoid 16:00aa1e5a6843 2034 // return TemperatureOfRTD_PT100 or TemperatureOfRTD_PT1000
whismanoid 16:00aa1e5a6843 2035 if (rtd_resistance > 500.0)
whismanoid 16:00aa1e5a6843 2036 {
whismanoid 16:00aa1e5a6843 2037 return TemperatureOfRTD_PT1000(rtd_resistance);
whismanoid 16:00aa1e5a6843 2038 }
whismanoid 16:00aa1e5a6843 2039 else
whismanoid 16:00aa1e5a6843 2040 {
whismanoid 16:00aa1e5a6843 2041 return TemperatureOfRTD_PT100(rtd_resistance);
whismanoid 16:00aa1e5a6843 2042 }
whismanoid 16:00aa1e5a6843 2043 }
whismanoid 16:00aa1e5a6843 2044
whismanoid 16:00aa1e5a6843 2045 //----------------------------------------
whismanoid 21:847b2220e96e 2046 // Menu item 'TM' -> tc_voltage, tc_deltaT, tc_Temperature
whismanoid 0:68e64068330f 2047 // Trigger Measurement for Thermocouple
whismanoid 0:68e64068330f 2048 //
whismanoid 0:68e64068330f 2049 // Example code for typical Thermocouple measurement.
whismanoid 1:d57c1a2cb83c 2050 // An RTD measures the "cold junction" where TC connects to the board,
whismanoid 1:d57c1a2cb83c 2051 // and the TC measures the temperature difference above the cold junction.
whismanoid 0:68e64068330f 2052 //
whismanoid 1:d57c1a2cb83c 2053 // @param[in] tc_ainp = channel of Thermocouple high side, default=AINP_SEL_0101_AIN5
whismanoid 1:d57c1a2cb83c 2054 // @param[in] tc_ainn = channel of Thermocouple low side, default=AINN_SEL_0110_AIN6
whismanoid 1:d57c1a2cb83c 2055 // @param[in] rtd_iout = channel RTD high side force, default=AINP_SEL_0111_AIN7
whismanoid 1:d57c1a2cb83c 2056 // @param[in] rtd_ainp = channel RTD high side sense, default=AINP_SEL_1000_AIN8
whismanoid 1:d57c1a2cb83c 2057 // @param[in] rtd_ainn = channel RTD low side, default=AINN_SEL_1001_AIN9
whismanoid 1:d57c1a2cb83c 2058 // @post AINcode[tc_ainp]: measurement result LSB code
whismanoid 21:847b2220e96e 2059 // @post tc_voltage: raw thermocouple voltage in Volts
whismanoid 21:847b2220e96e 2060 // @post tc_deltaT: temperature in degC above cold junction
whismanoid 21:847b2220e96e 2061 // @post tc_Temperature: temperature in degC
whismanoid 0:68e64068330f 2062 //
whismanoid 0:68e64068330f 2063 // @return 1 on success; 0 on failure
whismanoid 1:d57c1a2cb83c 2064 double MAX11410::Measure_Thermocouple(MAX11410_AINP_SEL_enum_t tc_ainp, MAX11410_AINN_SEL_enum_t tc_ainn, MAX11410_AINP_SEL_enum_t rtd_iout, MAX11410_AINP_SEL_enum_t rtd_ainp, MAX11410_AINN_SEL_enum_t rtd_ainn)
whismanoid 0:68e64068330f 2065 {
whismanoid 0:68e64068330f 2066
whismanoid 0:68e64068330f 2067 //----------------------------------------
whismanoid 8:3a9dfa2e8234 2068 // restrict channel selection to valid index range
whismanoid 8:3a9dfa2e8234 2069 if ((uint8_t)tc_ainp > /* MAX11410_AINP_SEL_enum_t:: */ AINP_SEL_1010_AVDD)
whismanoid 8:3a9dfa2e8234 2070 {
whismanoid 8:3a9dfa2e8234 2071 tc_ainp = /* MAX11410_AINP_SEL_enum_t:: */ AINP_SEL_1010_AVDD;
whismanoid 8:3a9dfa2e8234 2072 }
whismanoid 8:3a9dfa2e8234 2073
whismanoid 8:3a9dfa2e8234 2074 //----------------------------------------
whismanoid 8:3a9dfa2e8234 2075 // restrict channel selection to valid index range
whismanoid 8:3a9dfa2e8234 2076 if ((uint8_t)tc_ainn > /* MAX11410_AINN_SEL_enum_t:: */ AINN_SEL_1010_GND)
whismanoid 8:3a9dfa2e8234 2077 {
whismanoid 8:3a9dfa2e8234 2078 tc_ainn = /* MAX11410_AINN_SEL_enum_t:: */ AINN_SEL_1010_GND;
whismanoid 8:3a9dfa2e8234 2079 }
whismanoid 8:3a9dfa2e8234 2080
whismanoid 8:3a9dfa2e8234 2081 //----------------------------------------
whismanoid 8:3a9dfa2e8234 2082 // restrict channel selection to valid index range
whismanoid 8:3a9dfa2e8234 2083 if ((uint8_t)rtd_iout > /* MAX11410_AINP_SEL_enum_t:: */ AINP_SEL_1010_AVDD)
whismanoid 8:3a9dfa2e8234 2084 {
whismanoid 8:3a9dfa2e8234 2085 rtd_iout = /* MAX11410_AINP_SEL_enum_t:: */ AINP_SEL_1010_AVDD;
whismanoid 8:3a9dfa2e8234 2086 }
whismanoid 8:3a9dfa2e8234 2087
whismanoid 8:3a9dfa2e8234 2088 //----------------------------------------
whismanoid 8:3a9dfa2e8234 2089 // restrict channel selection to valid index range
whismanoid 8:3a9dfa2e8234 2090 if ((uint8_t)rtd_ainp > /* MAX11410_AINP_SEL_enum_t:: */ AINP_SEL_1010_AVDD)
whismanoid 8:3a9dfa2e8234 2091 {
whismanoid 8:3a9dfa2e8234 2092 rtd_ainp = /* MAX11410_AINP_SEL_enum_t:: */ AINP_SEL_1010_AVDD;
whismanoid 8:3a9dfa2e8234 2093 }
whismanoid 8:3a9dfa2e8234 2094
whismanoid 8:3a9dfa2e8234 2095 //----------------------------------------
whismanoid 8:3a9dfa2e8234 2096 // restrict channel selection to valid index range
whismanoid 8:3a9dfa2e8234 2097 if ((uint8_t)rtd_ainn > /* MAX11410_AINN_SEL_enum_t:: */ AINN_SEL_1010_GND)
whismanoid 8:3a9dfa2e8234 2098 {
whismanoid 8:3a9dfa2e8234 2099 rtd_ainn = /* MAX11410_AINN_SEL_enum_t:: */ AINN_SEL_1010_GND;
whismanoid 8:3a9dfa2e8234 2100 }
whismanoid 8:3a9dfa2e8234 2101
whismanoid 8:3a9dfa2e8234 2102 //----------------------------------------
whismanoid 8:3a9dfa2e8234 2103 // write8 0x0B MUX_CTRL0 = 0x0A to select AINP=AIN0 and AINN=GND
whismanoid 8:3a9dfa2e8234 2104 Configure_MUX_CTRL0((uint8_t)tc_ainp, (uint8_t)tc_ainn);
whismanoid 8:3a9dfa2e8234 2105
whismanoid 8:3a9dfa2e8234 2106 //----------------------------------------
whismanoid 8:3a9dfa2e8234 2107 // write8 0x09 CTRL to select reference REF2P/REF2N; Data Format = Bipolar 2's Complement
whismanoid 8:3a9dfa2e8234 2108 Configure_CTRL(/*extclk*/ 0, /*u_bn*/ 0, /*format*/ 0,
whismanoid 8:3a9dfa2e8234 2109 /*refbufp_en*/ 0, /*refbufn_en*/ 0,
whismanoid 8:3a9dfa2e8234 2110 /*ref_sel*/ (uint8_t)REF_SEL_010_REF2P_REF2N);
whismanoid 8:3a9dfa2e8234 2111
whismanoid 8:3a9dfa2e8234 2112 //----------------------------------------
whismanoid 8:3a9dfa2e8234 2113 // write8 0x0E PGA
whismanoid 8:3a9dfa2e8234 2114 Configure_PGA((uint8_t) /* MAX11410_SIG_PATH_enum_t:: */ SIG_PATH_00_BUFFERED,
whismanoid 8:3a9dfa2e8234 2115 (uint8_t) /* MAX11410_GAIN_enum_t:: */ GAIN_000_1);
whismanoid 8:3a9dfa2e8234 2116
whismanoid 8:3a9dfa2e8234 2117 //----------------------------------------
whismanoid 8:3a9dfa2e8234 2118 // write8 0x08 FILTER = 0x34 to select RATE_0100, LINEF_11_SINC4 60SPS (given CONV_TYPE_01_Continuous)
whismanoid 8:3a9dfa2e8234 2119 Configure_FILTER((uint8_t) /* MAX11410::MAX11410_LINEF_enum_t:: */ LINEF_11_SINC4,
whismanoid 8:3a9dfa2e8234 2120 (uint8_t) /* MAX11410::MAX11410_RATE_enum_t:: */ RATE_0100);
whismanoid 8:3a9dfa2e8234 2121
whismanoid 8:3a9dfa2e8234 2122 //----------------------------------------
whismanoid 8:3a9dfa2e8234 2123 // write8 0x01 CONV_START = 0x01 to set Conversion Mode = Continuous
whismanoid 8:3a9dfa2e8234 2124 RegWrite(CMD_r000_0001_xddd_xxdd_CONV_START, 0x01);
whismanoid 8:3a9dfa2e8234 2125
whismanoid 8:3a9dfa2e8234 2126 //----------------------------------------
whismanoid 0:68e64068330f 2127 // read24 0x80|0x38 STATUS (%SW 0xB8 0 0 0)
whismanoid 0:68e64068330f 2128 RegRead(CMD_r011_1000_dddd_dddd_dddd_dddd_dxxx_dddd_STATUS, &status);
whismanoid 0:68e64068330f 2129
whismanoid 0:68e64068330f 2130 //----------------------------------------
whismanoid 16:00aa1e5a6843 2131 // TODO1: wait until STATUS_enum_t::STATUS_000010_DATA_RDY indicates data is available
whismanoid 16:00aa1e5a6843 2132 // A bad SPI interface can cause bit slippage, which makes this loop get stuck. Expect *PART_ID? = 0x000F02
whismanoid 16:00aa1e5a6843 2133 // while ((status & /* MAX11410_STATUS_enum_t:: */ STATUS_000010_DATA_RDY) == 0) {
whismanoid 16:00aa1e5a6843 2134 // possible infinite loop; need a timeout or futility countdown to escape
whismanoid 21:847b2220e96e 2135 for (int futility_countdown = futility_countdown_limit;
whismanoid 16:00aa1e5a6843 2136 ((futility_countdown > 0) &&
whismanoid 16:00aa1e5a6843 2137 ((status & /* MAX11410_STATUS_enum_t:: */ STATUS_000010_DATA_RDY) == 0));
whismanoid 16:00aa1e5a6843 2138 futility_countdown--)
whismanoid 16:00aa1e5a6843 2139 {
whismanoid 16:00aa1e5a6843 2140 RegRead(CMD_r011_1000_dddd_dddd_dddd_dddd_dxxx_dddd_STATUS, &status);
whismanoid 16:00aa1e5a6843 2141 }
whismanoid 16:00aa1e5a6843 2142
whismanoid 16:00aa1e5a6843 2143 //----------------------------------------
whismanoid 8:3a9dfa2e8234 2144 // read24 0x80|0x30 DATA0 (%SW 0xB0 0 0 0): AINcode[tc_ainp] = measurement
whismanoid 8:3a9dfa2e8234 2145 RegRead(CMD_r011_0000_dddd_dddd_dddd_dddd_dddd_dddd_DATA0, &AINcode[((int)tc_ainp & 0x0F)]);
whismanoid 8:3a9dfa2e8234 2146 data0 = AINcode[((int)tc_ainp & 0x0F)];
whismanoid 0:68e64068330f 2147
whismanoid 0:68e64068330f 2148 //----------------------------------------
whismanoid 1:d57c1a2cb83c 2149 // ideal voltage calculated from raw LSB code and reference voltage
whismanoid 21:847b2220e96e 2150 tc_voltage = VoltageOfCode(AINcode[((int)tc_ainp & 0x0F)]);
whismanoid 21:847b2220e96e 2151
whismanoid 21:847b2220e96e 2152 //----------------------------------------
whismanoid 21:847b2220e96e 2153 // ideal voltage calculated from raw LSB code and reference voltage
whismanoid 21:847b2220e96e 2154 tc_deltaT = TemperatureOfTC_TypeK(tc_voltage);
whismanoid 21:847b2220e96e 2155
whismanoid 21:847b2220e96e 2156 //----------------------------------------
whismanoid 21:847b2220e96e 2157 // ideal voltage calculated from raw LSB code and reference voltage
whismanoid 21:847b2220e96e 2158 tc_Temperature = RTD_Temperature + tc_deltaT;
whismanoid 21:847b2220e96e 2159
whismanoid 21:847b2220e96e 2160 //----------------------------------------
whismanoid 21:847b2220e96e 2161 // ideal voltage calculated from raw LSB code and reference voltage
whismanoid 21:847b2220e96e 2162 return tc_voltage;
whismanoid 0:68e64068330f 2163 }
whismanoid 0:68e64068330f 2164
whismanoid 3:658a93dfb2d8 2165 //----------------------------------------
whismanoid 3:658a93dfb2d8 2166 // Return the physical temperature corresponding to measured voltage
whismanoid 3:658a93dfb2d8 2167 // of a type K Thermocouple (TC).
whismanoid 3:658a93dfb2d8 2168 //
whismanoid 3:658a93dfb2d8 2169 // @pre {0}.RTD_Temperature = cold junction temperature, in degrees C
whismanoid 3:658a93dfb2d8 2170 // @param[in] tc_voltage = Thermocouple voltage in volts, default=0.0254
whismanoid 3:658a93dfb2d8 2171 //
whismanoid 3:658a93dfb2d8 2172 // @return ideal temperature in degrees C, calculated from RTD resistance in ohms
whismanoid 21:847b2220e96e 2173 // @test group TC_1 // Verify Thermocouple function TemperatureOfTC_TypeK
whismanoid 21:847b2220e96e 2174 // @test group TC_2 // Verify Thermocouple function TemperatureOfTC_TypeK in more detail
whismanoid 21:847b2220e96e 2175 // @test group TC_1 tinyTester.blink_time_msec = 20 // quickly speed through the software verification
whismanoid 19:50cf5da53d36 2176 // @test group TC_1 TemperatureOfTC_TypeK(0.000e-3) expect 0.0 within 0.1 // TC_TypeK at 0C = 0.000mV
whismanoid 19:50cf5da53d36 2177 // @test group TC_1 TemperatureOfTC_TypeK(0.039e-3) expect 1.0 within 0.1 // TC_TypeK at 1C = 0.039mV
whismanoid 19:50cf5da53d36 2178 // @test group TC_1 TemperatureOfTC_TypeK(0.079e-3) expect 2.0 within 0.1 // TC_TypeK at 2C = 0.079mV
whismanoid 19:50cf5da53d36 2179 // @test group TC_1 TemperatureOfTC_TypeK(0.119e-3) expect 3.0 within 0.1 // TC_TypeK at 3C = 0.119mV
whismanoid 19:50cf5da53d36 2180 // @test group TC_2 TemperatureOfTC_TypeK(0.158e-3) expect 4.0 within 0.1 // TC_TypeK at 4C = 0.158mV
whismanoid 19:50cf5da53d36 2181 // @test group TC_2 TemperatureOfTC_TypeK(0.198e-3) expect 5.0 within 0.1 // TC_TypeK at 5C = 0.198mV
whismanoid 19:50cf5da53d36 2182 // @test group TC_2 TemperatureOfTC_TypeK(0.238e-3) expect 6.0 within 0.1 // TC_TypeK at 6C = 0.238mV
whismanoid 19:50cf5da53d36 2183 // @test group TC_2 TemperatureOfTC_TypeK(0.2775e-3) expect 7.0 within 0.1 // TC_TypeK at 7C = 0.2775mV
whismanoid 19:50cf5da53d36 2184 // @test group TC_2 TemperatureOfTC_TypeK(0.317e-3) expect 8.0 within 0.1 // TC_TypeK at 8C = 0.317mV
whismanoid 19:50cf5da53d36 2185 // @test group TC_2 TemperatureOfTC_TypeK(0.357e-3) expect 9.0 within 0.1 // TC_TypeK at 9C = 0.357mV
whismanoid 19:50cf5da53d36 2186 // @test group TC_1 TemperatureOfTC_TypeK(0.397e-3) expect 10.0 within 0.1 // TC_TypeK at 10C = 0.397mV
whismanoid 19:50cf5da53d36 2187 // @test group TC_1 TemperatureOfTC_TypeK(0.798e-3) expect 20.0 within 0.1 // TC_TypeK at 20C = 0.798mV
whismanoid 19:50cf5da53d36 2188 // @test group TC_1 TemperatureOfTC_TypeK(1.081e-3) expect 27.0 within 0.1 // TC_TypeK at 27C = 1.081mV
whismanoid 19:50cf5da53d36 2189 // @test group TC_1 TemperatureOfTC_TypeK(1.203e-3) expect 30.0 within 0.1 // TC_TypeK at 30C = 1.203mV
whismanoid 19:50cf5da53d36 2190 // @test group TC_1 TemperatureOfTC_TypeK(1.612e-3) expect 40.0 within 0.1 // TC_TypeK at 40C = 1.612mV
whismanoid 19:50cf5da53d36 2191 // @test group TC_1 TemperatureOfTC_TypeK(2.023e-3) expect 50.0 within 0.1 // TC_TypeK at 50C = 2.023mV
whismanoid 19:50cf5da53d36 2192 // @test group TC_1 TemperatureOfTC_TypeK(2.436e-3) expect 60.0 within 0.1 // TC_TypeK at 60C = 2.436mV
whismanoid 19:50cf5da53d36 2193 // @test group TC_1 TemperatureOfTC_TypeK(2.851e-3) expect 70.0 within 0.1 // TC_TypeK at 70C = 2.851mV
whismanoid 19:50cf5da53d36 2194 // @test group TC_1 TemperatureOfTC_TypeK(3.267e-3) expect 80.0 within 0.1 // TC_TypeK at 80C = 3.267mV
whismanoid 19:50cf5da53d36 2195 // @test group TC_1 TemperatureOfTC_TypeK(3.682e-3) expect 90.0 within 0.1 // TC_TypeK at 90C = 3.682mV
whismanoid 19:50cf5da53d36 2196 // @test group TC_1 TemperatureOfTC_TypeK(4.096e-3) expect 100.0 within 0.1 // TC_TypeK at 100C = 4.096mV
whismanoid 19:50cf5da53d36 2197 // @test group TC_2 TemperatureOfTC_TypeK(4.509e-3) expect 110.0 within 0.1 // TC_TypeK at 110C = 4.509mV
whismanoid 19:50cf5da53d36 2198 // @test group TC_2 TemperatureOfTC_TypeK(4.920e-3) expect 120.0 within 0.1 // TC_TypeK at 120C = 4.920mV
whismanoid 19:50cf5da53d36 2199 // @test group TC_2 TemperatureOfTC_TypeK(5.328e-3) expect 130.0 within 0.1 // TC_TypeK at 130C = 5.328mV
whismanoid 19:50cf5da53d36 2200 // @test group TC_2 TemperatureOfTC_TypeK(5.735e-3) expect 140.0 within 0.1 // TC_TypeK at 140C = 5.735mV
whismanoid 19:50cf5da53d36 2201 // @test group TC_2 TemperatureOfTC_TypeK(6.138e-3) expect 150.0 within 0.1 // TC_TypeK at 150C = 6.138mV
whismanoid 19:50cf5da53d36 2202 // @test group TC_2 TemperatureOfTC_TypeK(6.540e-3) expect 160.0 within 0.1 // TC_TypeK at 160C = 6.540mV
whismanoid 19:50cf5da53d36 2203 // @test group TC_2 TemperatureOfTC_TypeK(6.941e-3) expect 170.0 within 0.1 // TC_TypeK at 170C = 6.941mV
whismanoid 19:50cf5da53d36 2204 // @test group TC_2 TemperatureOfTC_TypeK(7.340e-3) expect 180.0 within 0.1 // TC_TypeK at 180C = 7.340mV
whismanoid 19:50cf5da53d36 2205 // @test group TC_1 TemperatureOfTC_TypeK(7.739e-3) expect 190.0 within 0.1 // TC_TypeK at 190C = 7.739mV
whismanoid 19:50cf5da53d36 2206 // @test group TC_1 TemperatureOfTC_TypeK(8.138e-3) expect 200.0 within 0.1 // TC_TypeK at 200C = 8.138mV
whismanoid 19:50cf5da53d36 2207 // @test group TC_1 TemperatureOfTC_TypeK(8.539e-3) expect 210.0 within 0.1 // TC_TypeK at 210C = 8.539mV
whismanoid 19:50cf5da53d36 2208 // @test group TC_1 TemperatureOfTC_TypeK(8.940e-3) expect 220.0 within 0.1 // TC_TypeK at 220C = 8.940mV
whismanoid 19:50cf5da53d36 2209 // @test group TC_2 TemperatureOfTC_TypeK(9.343e-3) expect 230.0 within 0.1 // TC_TypeK at 230C = 9.343mV
whismanoid 19:50cf5da53d36 2210 // @test group TC_2 TemperatureOfTC_TypeK(9.747e-3) expect 240.0 within 0.1 // TC_TypeK at 240C = 9.747mV
whismanoid 19:50cf5da53d36 2211 // @test group TC_2 TemperatureOfTC_TypeK(10.153e-3) expect 250.0 within 0.1 // TC_TypeK at 250C = 10.153mV
whismanoid 19:50cf5da53d36 2212 // @test group TC_2 TemperatureOfTC_TypeK(10.561e-3) expect 260.0 within 0.1 // TC_TypeK at 260C = 10.561mV
whismanoid 19:50cf5da53d36 2213 // @test group TC_2 TemperatureOfTC_TypeK(10.971e-3) expect 270.0 within 0.1 // TC_TypeK at 270C = 10.971mV
whismanoid 19:50cf5da53d36 2214 // @test group TC_2 TemperatureOfTC_TypeK(11.382e-3) expect 280.0 within 0.1 // TC_TypeK at 280C = 11.382mV
whismanoid 19:50cf5da53d36 2215 // @test group TC_2 TemperatureOfTC_TypeK(11.795e-3) expect 290.0 within 0.1 // TC_TypeK at 290C = 11.795mV
whismanoid 19:50cf5da53d36 2216 // @test group TC_1 TemperatureOfTC_TypeK(12.209e-3) expect 300.0 within 0.1 // TC_TypeK at 300C = 12.209mV
whismanoid 19:50cf5da53d36 2217 // @test group TC_2 TemperatureOfTC_TypeK(14.293e-3) expect 350.0 within 0.1 // TC_TypeK at 350C = 14.293mV
whismanoid 19:50cf5da53d36 2218 // @test group TC_1 TemperatureOfTC_TypeK(16.397e-3) expect 400.0 within 0.1 // TC_TypeK at 400C = 16.397mV
whismanoid 19:50cf5da53d36 2219 // @test group TC_1 TemperatureOfTC_TypeK(18.516e-3) expect 450.0 within 0.1 // TC_TypeK at 450C = 18.516mV
whismanoid 19:50cf5da53d36 2220 // @test group TC_1 TemperatureOfTC_TypeK(20.218e-3) expect 490.0 // TC_TypeK at 490C = 20.218mV
whismanoid 21:847b2220e96e 2221 // @test group TC_1 tinyTester.blink_time_msec = 75 // default 75 resume hardware self test
whismanoid 3:658a93dfb2d8 2222 //
whismanoid 3:658a93dfb2d8 2223 double MAX11410::TemperatureOfTC_TypeK(double tc_voltage)
whismanoid 3:658a93dfb2d8 2224 {
whismanoid 3:658a93dfb2d8 2225
whismanoid 3:658a93dfb2d8 2226 //----------------------------------------
whismanoid 3:658a93dfb2d8 2227 // Temperature from TC_TypeK voltage maths
whismanoid 5:a2e74357cfc0 2228 // define standard TC_TypeK coefficients
whismanoid 4:c169ba85d673 2229 // ITS-90 Thermocouple Inverse Polynomial for a Type K thermocouple
whismanoid 5:a2e74357cfc0 2230 // calculate deltaT from tc_voltage
whismanoid 4:c169ba85d673 2231 //
whismanoid 4:c169ba85d673 2232 // Voltage range -5891uV < tc_voltage < 0uV,
whismanoid 4:c169ba85d673 2233 // Temperature Range -200 deg C to 0 deg C
whismanoid 4:c169ba85d673 2234 static double coefficients_TCtypeK_V_lt_0[] = {
whismanoid 4:c169ba85d673 2235 0.00000,
whismanoid 4:c169ba85d673 2236 2.5173462e-2,
whismanoid 4:c169ba85d673 2237 -1.1662878e-6,
whismanoid 4:c169ba85d673 2238 -1.0833638e-9,
whismanoid 4:c169ba85d673 2239 -8.9773540e-13,
whismanoid 4:c169ba85d673 2240 -3.7342377e-16,
whismanoid 4:c169ba85d673 2241 -8.6632643e-20,
whismanoid 4:c169ba85d673 2242 -1.0450598e-23,
whismanoid 4:c169ba85d673 2243 -5.1920577e-28,
whismanoid 4:c169ba85d673 2244 };
whismanoid 4:c169ba85d673 2245 //
whismanoid 4:c169ba85d673 2246 // Voltage range 0uV < tc_voltage < 20.644uV,
whismanoid 4:c169ba85d673 2247 // Temperature Range 0 deg C to 500 deg C
whismanoid 4:c169ba85d673 2248 static double coefficients_TCtypeK_0_lt_V_lt_20u644V[] = {
whismanoid 4:c169ba85d673 2249 0.00000,
whismanoid 4:c169ba85d673 2250 2.508355e-2,
whismanoid 4:c169ba85d673 2251 7.860106e-8,
whismanoid 4:c169ba85d673 2252 -2.503131e-10,
whismanoid 4:c169ba85d673 2253 8.315270e-14,
whismanoid 4:c169ba85d673 2254 -1.228034e-17,
whismanoid 4:c169ba85d673 2255 9.804036e-22,
whismanoid 4:c169ba85d673 2256 -4.413030e-26,
whismanoid 4:c169ba85d673 2257 1.057734e-30,
whismanoid 4:c169ba85d673 2258 -1.052755e-35,
whismanoid 4:c169ba85d673 2259 };
whismanoid 4:c169ba85d673 2260 //
whismanoid 4:c169ba85d673 2261 // Voltage range 20.6440uV < tc_voltage < 54.886uV,
whismanoid 4:c169ba85d673 2262 // Temperature Range 500 deg C to 1372 deg C
whismanoid 4:c169ba85d673 2263 static double coefficients_TCtypeK_20u644V_lt_V_lt_54u886V[] = {
whismanoid 4:c169ba85d673 2264 -1.318058e2,
whismanoid 4:c169ba85d673 2265 4.830222e-2,
whismanoid 4:c169ba85d673 2266 -1.646031e-6,
whismanoid 4:c169ba85d673 2267 5.464731e-11,
whismanoid 4:c169ba85d673 2268 -9.650715e-16,
whismanoid 4:c169ba85d673 2269 8.802193e-21,
whismanoid 4:c169ba85d673 2270 -3.110810e-26,
whismanoid 4:c169ba85d673 2271 };
whismanoid 4:c169ba85d673 2272 //
whismanoid 3:658a93dfb2d8 2273 double deltaT = 0;
whismanoid 4:c169ba85d673 2274 double thermocouple_voltage_uV = tc_voltage * 1e6;
whismanoid 4:c169ba85d673 2275 if (thermocouple_voltage_uV < 0)
whismanoid 4:c169ba85d673 2276 {
whismanoid 4:c169ba85d673 2277 // Voltage range -5891uV < DMMavg < 0uV, Temperature Range -200 deg C to 0 deg C
whismanoid 4:c169ba85d673 2278 deltaT = temperatureDegC_polynomial(thermocouple_voltage_uV, 9, coefficients_TCtypeK_V_lt_0);
whismanoid 4:c169ba85d673 2279 }
whismanoid 4:c169ba85d673 2280 else if (thermocouple_voltage_uV > 20644)
whismanoid 4:c169ba85d673 2281 {
whismanoid 4:c169ba85d673 2282 // Voltage range 206440uV < DMMavg < 54886uV, Temperature Range 500 deg C to 1372 deg C
whismanoid 4:c169ba85d673 2283 deltaT = temperatureDegC_polynomial(thermocouple_voltage_uV, 7, coefficients_TCtypeK_20u644V_lt_V_lt_54u886V);
whismanoid 4:c169ba85d673 2284 }
whismanoid 4:c169ba85d673 2285 else
whismanoid 4:c169ba85d673 2286 {
whismanoid 4:c169ba85d673 2287 // Voltage range 0uV < DMMavg < 20.644uV, Temperature Range 0 deg C to 500 deg C
whismanoid 4:c169ba85d673 2288 deltaT = temperatureDegC_polynomial(thermocouple_voltage_uV, 10, coefficients_TCtypeK_0_lt_V_lt_20u644V);
whismanoid 4:c169ba85d673 2289 }
whismanoid 4:c169ba85d673 2290 return deltaT; // + RTD_Temperature; // cold junction
whismanoid 4:c169ba85d673 2291 }
whismanoid 4:c169ba85d673 2292
whismanoid 4:c169ba85d673 2293 //----------------------------------------
whismanoid 4:c169ba85d673 2294 // Calculate temperature in degrees C from input voltage,
whismanoid 4:c169ba85d673 2295 // using a given set of polynomial coefficients.
whismanoid 4:c169ba85d673 2296 // For example:
whismanoid 4:c169ba85d673 2297 //
whismanoid 4:c169ba85d673 2298 // t = coefficients[0] + coefficients[1] * DMMavg + coefficients[2] * DmMMavg**2
whismanoid 4:c169ba85d673 2299 //
whismanoid 4:c169ba85d673 2300 // @param[in] thermocouple_voltage_uV = Thermocouple voltage in microvolts
whismanoid 4:c169ba85d673 2301 //
whismanoid 4:c169ba85d673 2302 // @return ideal temperature in degrees C, calculated from polynomial coefficients
whismanoid 4:c169ba85d673 2303 //
whismanoid 4:c169ba85d673 2304 double MAX11410::temperatureDegC_polynomial(double thermocouple_voltage_uV, int num_coefficients, double coefficients[])
whismanoid 4:c169ba85d673 2305 {
whismanoid 4:c169ba85d673 2306
whismanoid 4:c169ba85d673 2307 //----------------------------------------
whismanoid 4:c169ba85d673 2308 // Temperature from polynomial coefficients maths
whismanoid 4:c169ba85d673 2309 double temperatureDegC = 0;
whismanoid 4:c169ba85d673 2310 int index;
whismanoid 4:c169ba85d673 2311 for (index = num_coefficients-1; index >= 0; index--)
whismanoid 4:c169ba85d673 2312 {
whismanoid 4:c169ba85d673 2313 temperatureDegC = (temperatureDegC * thermocouple_voltage_uV) + coefficients[index];
whismanoid 4:c169ba85d673 2314 }
whismanoid 4:c169ba85d673 2315 return temperatureDegC;
whismanoid 3:658a93dfb2d8 2316 }
whismanoid 3:658a93dfb2d8 2317
whismanoid 0:68e64068330f 2318
whismanoid 0:68e64068330f 2319 // End of file