MAX11410 high speed 24-bit Delta-Sigma ADC

Dependents:   MAX11410BOB_24bit_ADC MAX11410BOB_Serial_Tester

Committer:
whismanoid
Date:
Sun Mar 29 17:15:20 2020 -0700
Revision:
20:fb7527415308
Parent:
19:50cf5da53d36
Child:
21:847b2220e96e
Self Test work in progress

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 @test tinyTester.print("message")
whismanoid 20:fb7527415308 416 // @future test tinyTester.print("message print to console")
whismanoid 19:50cf5da53d36 417 //
whismanoid 19:50cf5da53d36 418 // TODO1: #169 SelfTest support RegRead
whismanoid 20:fb7527415308 419 // @future test tinyTester.print("PART_ID value")
whismanoid 20:fb7527415308 420 // @test RegRead(MAX11410::CMD_r001_0001_xxxx_xxxx_xxxx_xxxx_xxxx_xddd_PART_ID, buffer) expect 1 expect-buffer 0x000F02
whismanoid 20:fb7527415308 421 //
whismanoid 20:fb7527415308 422 // @future test tinyTester.print("POR value 0x04 CMD_r000_0100_dddd_xddd_GP0_CTRL")
whismanoid 20:fb7527415308 423 // @test RegRead(MAX11410::CMD_r000_0100_dddd_xddd_GP0_CTRL, buffer) expect 1 expect-buffer 0x00
whismanoid 20:fb7527415308 424 //
whismanoid 20:fb7527415308 425 // @future test tinyTester.print("POR value 0x05 CMD_r000_0101_dddd_xddd_GP1_CTRL")
whismanoid 20:fb7527415308 426 // @test RegRead(MAX11410::CMD_r000_0101_dddd_xddd_GP1_CTRL, buffer) expect 1 expect-buffer 0x00
whismanoid 20:fb7527415308 427 //
whismanoid 20:fb7527415308 428 // @future test tinyTester.print("POR value 0x07 CMD_r000_0111_xddd_dddd_GP_SEQ_ADDR")
whismanoid 20:fb7527415308 429 // @test RegRead(MAX11410::CMD_r000_0111_xddd_dddd_GP_SEQ_ADDR, buffer) expect 1 expect-buffer 0x00003a
whismanoid 19:50cf5da53d36 430 //
whismanoid 19:50cf5da53d36 431 // TODO1: #169 SelfTest support RegWrite and custom enum types
whismanoid 20:fb7527415308 432 // @future test tinyTester.print("POR value 0x08 CMD_r000_1000_x0dd_dddd_FILTER")
whismanoid 20:fb7527415308 433 // @test RegRead(MAX11410::CMD_r000_1000_x0dd_dddd_FILTER, buffer) expect 1 expect-buffer 0x00
whismanoid 20:fb7527415308 434 // could also be stated as RegRead(0x08, buffer) expect 1 expect-buffer 0x00
whismanoid 20:fb7527415308 435 //
whismanoid 20:fb7527415308 436 // @future test tinyTester.print("POR value 0x09 CMD_r000_1001_dddd_dddd_CTRL")
whismanoid 20:fb7527415308 437 // @test RegRead(MAX11410::CMD_r000_1001_dddd_dddd_CTRL, buffer) expect 1 expect-buffer 0x000001
whismanoid 20:fb7527415308 438 //
whismanoid 20:fb7527415308 439 // @future test tinyTester.print("POR value 0x0a CMD_r000_1010_dddd_dddd_SOURCE")
whismanoid 20:fb7527415308 440 // @test RegRead(MAX11410::CMD_r000_1010_dddd_dddd_SOURCE, buffer) expect 1 expect-buffer 0x00
whismanoid 20:fb7527415308 441 //
whismanoid 20:fb7527415308 442 // @future test tinyTester.print("POR value 0x0b CMD_r000_1011_dddd_dddd_MUX_CTRL0")
whismanoid 20:fb7527415308 443 // @test RegRead(MAX11410::CMD_r000_1011_dddd_dddd_MUX_CTRL0, buffer) expect 1 expect-buffer 0x0000ff
whismanoid 20:fb7527415308 444 //
whismanoid 20:fb7527415308 445 // @future test tinyTester.print("POR value 0x0c CMD_r000_1100_dddd_dddd_MUX_CTRL1")
whismanoid 20:fb7527415308 446 // @test RegRead(MAX11410::CMD_r000_1100_dddd_dddd_MUX_CTRL1, buffer) expect 1 expect-buffer 0x0000ff
whismanoid 20:fb7527415308 447 //
whismanoid 20:fb7527415308 448 // @future test tinyTester.print("POR value 0x0d CMD_r000_1101_dddd_dddd_MUX_CTRL2")
whismanoid 20:fb7527415308 449 // @test RegRead(MAX11410::CMD_r000_1101_dddd_dddd_MUX_CTRL2, buffer) expect 1 expect-buffer 0x00
whismanoid 20:fb7527415308 450 //
whismanoid 20:fb7527415308 451 // @future test tinyTester.print("POR value 0x0e CMD_r000_1110_xxdd_xddd_PGA")
whismanoid 20:fb7527415308 452 // @test RegRead(MAX11410::CMD_r000_1110_xxdd_xddd_PGA, buffer) expect 1 expect-buffer 0x00
whismanoid 20:fb7527415308 453 //
whismanoid 20:fb7527415308 454 // @future test CMD_r000_1111_dddd_dddd_WAIT_EXT = 0x0f, //!< 0b0001111
whismanoid 20:fb7527415308 455 // @future test CMD_r001_0000_xxxx_xxxx_WAIT_START = 0x10, //!< 0b0010000
whismanoid 20:fb7527415308 456 //
whismanoid 20:fb7527415308 457 //
whismanoid 20:fb7527415308 458 //
whismanoid 20:fb7527415308 459 //
whismanoid 19:50cf5da53d36 460 // @test tinyTester.print("check filter register is writeable")
whismanoid 19:50cf5da53d36 461 // @future test tinyTester.print("this is a real mess dealing with the custom types")
whismanoid 19:50cf5da53d36 462 // @test RegWrite(0x08, 0x34) expect 1
whismanoid 19:50cf5da53d36 463 // @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 464 // @future test RegWrite(CMD_r000_1000_x0dd_dddd_FILTER, 0x34) expect 1
whismanoid 19:50cf5da53d36 465 // @future test RegWrite(CMD_enum_t::CMD_r000_1000_x0dd_dddd_FILTER, 0x34) expect 1
whismanoid 19:50cf5da53d36 466 // @future test RegWrite(MAX11410::CMD_enum_t::CMD_r000_1000_x0dd_dddd_FILTER, 0x34) expect 1
whismanoid 19:50cf5da53d36 467 //
whismanoid 19:50cf5da53d36 468 // TODO1: #169 SelfTest support RegRead
whismanoid 19:50cf5da53d36 469 // @test tinyTester.print("check filter register is readable")
whismanoid 19:50cf5da53d36 470 // @test RegRead(0x08, buffer) expect 1 expect-buffer 0x34
whismanoid 19:50cf5da53d36 471 // @future test RegRead(MAX11410::CMD_enum_t::CMD_r000_1000_x0dd_dddd_FILTER, &buffer) expect 1 expect-buffer 0x34
whismanoid 19:50cf5da53d36 472 //
whismanoid 19:50cf5da53d36 473 // TODO1: #169 SelfTest support @test tinyTester.settle_time_msec = 250
whismanoid 19:50cf5da53d36 474 // @test tinyTester.settle_time_msec = 250 // default 250
whismanoid 19:50cf5da53d36 475 // @test tinyTester.blink_time_msec = 75 // default 75 resume hardware self test
whismanoid 19:50cf5da53d36 476 // @test tinyTester.input_timeout_time_msec = 250 // default 250
whismanoid 19:50cf5da53d36 477 // @test tinyTester.settle_time_msec = 20 // default 250
whismanoid 19:50cf5da53d36 478 // @test tinyTester.blink_time_msec = 20 // quickly speed through the software verification
whismanoid 19:50cf5da53d36 479 // @test tinyTester.input_timeout_time_msec = 100 // default 250
whismanoid 19:50cf5da53d36 480 //
whismanoid 19:50cf5da53d36 481 // TODO1: #169 SelfTest support @test tinyTester.Wait_Output_Settling()
whismanoid 19:50cf5da53d36 482 // @test tinyTester.Wait_Output_Settling()
whismanoid 19:50cf5da53d36 483 //
whismanoid 19:50cf5da53d36 484 // TODO1: #169 SelfTest support tinyTester.AnalogIn0_Read_Expect_voltageV(2.048)
whismanoid 19:50cf5da53d36 485 // @future test tinyTester.err_threshold = 0.030 // 30mV
whismanoid 19:50cf5da53d36 486 // @future test tinyTester.AnalogIn0_Read_Expect_voltageV(2.048)
whismanoid 19:50cf5da53d36 487 //
whismanoid 19:50cf5da53d36 488 // TODO1: #169 SelfTest support tinyTester.DigitalIn_Read_Expect_WarnOnly
whismanoid 19:50cf5da53d36 489 // @future test tinyTester.DigitalIn_Read_Expect_WarnOnly(DigitalIn& digitalInPin, const char* pinName, int expect_result, const char *expect_description)
whismanoid 19:50cf5da53d36 490 //
whismanoid 19:50cf5da53d36 491 // TODO1: #169 SelfTest support tinyTester.max541.Set_Code
whismanoid 19:50cf5da53d36 492 // @future test tinyTester.max541.Set_Code(0x8000)
whismanoid 19:50cf5da53d36 493 //
whismanoid 0:68e64068330f 494 // @return 1 on success; 0 on failure
whismanoid 0:68e64068330f 495 uint8_t MAX11410::Init(void)
whismanoid 0:68e64068330f 496 {
whismanoid 0:68e64068330f 497
whismanoid 0:68e64068330f 498 //----------------------------------------
whismanoid 1:d57c1a2cb83c 499 // AIN0-AIN1 reference voltage, in Volts
whismanoid 1:d57c1a2cb83c 500 VRef_REF0 = 2.500;
whismanoid 1:d57c1a2cb83c 501
whismanoid 1:d57c1a2cb83c 502 //----------------------------------------
whismanoid 1:d57c1a2cb83c 503 // REF1P-REF1N reference resistance, in Ohms
whismanoid 1:d57c1a2cb83c 504 VRef_REF1 = 4999;
whismanoid 1:d57c1a2cb83c 505
whismanoid 1:d57c1a2cb83c 506 //----------------------------------------
whismanoid 1:d57c1a2cb83c 507 // REF2P-REF2N reference voltage, in Volts
whismanoid 1:d57c1a2cb83c 508 VRef_REF2 = 2.500;
whismanoid 1:d57c1a2cb83c 509
whismanoid 1:d57c1a2cb83c 510 //----------------------------------------
whismanoid 1:d57c1a2cb83c 511 // AVDD-AGND supply voltage, in Volts
whismanoid 1:d57c1a2cb83c 512 VRef_AVDD = 3.300;
whismanoid 1:d57c1a2cb83c 513
whismanoid 1:d57c1a2cb83c 514 //----------------------------------------
whismanoid 5:a2e74357cfc0 515 // RTD Resistance measurement; Thermocouple Cold Junction, in Ohms
whismanoid 5:a2e74357cfc0 516 rtd_resistance = 1000.0;
whismanoid 5:a2e74357cfc0 517
whismanoid 5:a2e74357cfc0 518 //----------------------------------------
whismanoid 3:658a93dfb2d8 519 // Temperature calculated from RTD Resistance; Thermocouple Cold Junction, in degrees C
whismanoid 3:658a93dfb2d8 520 RTD_Temperature = 25.0;
whismanoid 3:658a93dfb2d8 521
whismanoid 3:658a93dfb2d8 522 //----------------------------------------
whismanoid 1:d57c1a2cb83c 523 // shadow of register ctrl CMD_r000_1001_dddd_dddd_CTRL
whismanoid 1:d57c1a2cb83c 524 ctrl = 0x01;
whismanoid 1:d57c1a2cb83c 525
whismanoid 1:d57c1a2cb83c 526 //----------------------------------------
whismanoid 9:06ca88952f1c 527 // set by Configure_PGA gain index register pga CMD_r000_1110_xxdd_xddd_PGA
whismanoid 9:06ca88952f1c 528 pgaGain = 1;
whismanoid 9:06ca88952f1c 529
whismanoid 9:06ca88952f1c 530 //----------------------------------------
whismanoid 9:06ca88952f1c 531 // Device ID Validation
whismanoid 9:06ca88952f1c 532 #warning "Not Implemented Yet: MAX11410::Init Device ID Validation..."
whismanoid 9:06ca88952f1c 533 const uint32_t part_id_expect = 0x000F02;
whismanoid 9:06ca88952f1c 534 uint32_t part_id_readback;
whismanoid 9:06ca88952f1c 535 RegRead(CMD_r001_0001_xxxx_xxxx_xxxx_xxxx_xxxx_xddd_PART_ID, &part_id_readback);
whismanoid 9:06ca88952f1c 536 if (part_id_readback != part_id_expect) return 0;
whismanoid 9:06ca88952f1c 537
whismanoid 9:06ca88952f1c 538 //----------------------------------------
whismanoid 1:d57c1a2cb83c 539 // write8 0x00 PD = 0x03 (Reset Registers; enter Standby mode)
whismanoid 1:d57c1a2cb83c 540 RegWrite(CMD_r000_0000_xxxx_xxdd_PD, PD_11_Reset);
whismanoid 1:d57c1a2cb83c 541
whismanoid 1:d57c1a2cb83c 542 //----------------------------------------
whismanoid 1:d57c1a2cb83c 543 // write8 0x00 PD = 0x00 (NOP)
whismanoid 1:d57c1a2cb83c 544 RegWrite(CMD_r000_0000_xxxx_xxdd_PD, PD_00_Normal);
whismanoid 0:68e64068330f 545
whismanoid 0:68e64068330f 546 //----------------------------------------
whismanoid 0:68e64068330f 547 // success
whismanoid 0:68e64068330f 548 return 1;
whismanoid 0:68e64068330f 549 }
whismanoid 0:68e64068330f 550
whismanoid 0:68e64068330f 551 //----------------------------------------
whismanoid 1:d57c1a2cb83c 552 // Return the physical voltage corresponding to conversion result,
whismanoid 1:d57c1a2cb83c 553 // for unipolar mode.
whismanoid 0:68e64068330f 554 // Does not perform any offset or gain correction.
whismanoid 0:68e64068330f 555 //
whismanoid 1:d57c1a2cb83c 556 // @pre CTRL::U_BN = 1 -- Unipolar mode
whismanoid 1:d57c1a2cb83c 557 // @pre CTRL::FORMAT = x
whismanoid 0:68e64068330f 558 // @pre VRef = Voltage of REF input, in Volts
whismanoid 0:68e64068330f 559 // @param[in] value_u24: raw 24-bit MAX11410 code (right justified).
whismanoid 0:68e64068330f 560 // @return physical voltage corresponding to MAX11410 code.
whismanoid 14:b49eecf7e4d8 561 //
whismanoid 19:50cf5da53d36 562 // @test tinyTester.blink_time_msec = 20 // quickly speed through the software verification
whismanoid 19:50cf5da53d36 563 // @test Configure_CTRL_REF(2) expect 1 // These tests require REF2 = 2.500V
whismanoid 19:50cf5da53d36 564 // @test Configure_PGA(0,0) expect 1 // These tests require PGA gain=1
whismanoid 19:50cf5da53d36 565 // @test group UNIPOLAR VoltageOfCode_Unipolar(0xFFFFFF) expect 2.500 within 0.030 // Full Scale
whismanoid 19:50cf5da53d36 566 // @test group UNIPOLAR VoltageOfCode_Unipolar(0xFFFFFE) expect 2.500 // Full Scale
whismanoid 19:50cf5da53d36 567 // @test group UNIPOLAR VoltageOfCode_Unipolar(0xCCCCCC) expect 2.000 // Two Volts
whismanoid 19:50cf5da53d36 568 // @test group UNIPOLAR VoltageOfCode_Unipolar(0xC00000) expect 1.875 // 75% Scale
whismanoid 19:50cf5da53d36 569 // @test group UNIPOLAR VoltageOfCode_Unipolar(0x800000) expect 1.250 // Mid Scale
whismanoid 19:50cf5da53d36 570 // @test group UNIPOLAR VoltageOfCode_Unipolar(0x666666) expect 1.000 // One Volt
whismanoid 19:50cf5da53d36 571 // @test group UNIPOLAR VoltageOfCode_Unipolar(0x400000) expect 0.625 // 25% Scale
whismanoid 19:50cf5da53d36 572 // @test group UNIPOLAR VoltageOfCode_Unipolar(0x0A3D70) expect 0.100 // 100mV
whismanoid 19:50cf5da53d36 573 // @test group UNIPOLAR VoltageOfCode_Unipolar(0x000064) expect 0.000014901162 // 100 LSB
whismanoid 19:50cf5da53d36 574 // @test group UNIPOLAR VoltageOfCode_Unipolar(0x00000A) expect 0.0000014901162 // Ten LSB
whismanoid 19:50cf5da53d36 575 // @test group UNIPOLAR VoltageOfCode_Unipolar(0x000003) expect 0.00000044703483 // Three LSB
whismanoid 19:50cf5da53d36 576 // @test group UNIPOLAR VoltageOfCode_Unipolar(0x000002) expect 0.00000029802326 // Two LSB
whismanoid 19:50cf5da53d36 577 // @test group UNIPOLAR VoltageOfCode_Unipolar(0x000001) expect 0.00000014901162 // One LSB
whismanoid 19:50cf5da53d36 578 // @test group UNIPOLAR VoltageOfCode_Unipolar(0x000000) expect 0.0 // Zero Scale
whismanoid 19:50cf5da53d36 579 // @test tinyTester.blink_time_msec = 75 // default 75 resume hardware self test
whismanoid 1:d57c1a2cb83c 580 //
whismanoid 1:d57c1a2cb83c 581 double MAX11410::VoltageOfCode_Unipolar(uint32_t value_u24)
whismanoid 0:68e64068330f 582 {
whismanoid 0:68e64068330f 583
whismanoid 0:68e64068330f 584 //----------------------------------------
whismanoid 0:68e64068330f 585 // Linear map min and max endpoints
whismanoid 1:d57c1a2cb83c 586 double VRef = VRef_REF2;
whismanoid 1:d57c1a2cb83c 587 uint8_t ref_sel = (ctrl & 0x03); // MAX11410_REF_SEL_enum_t
whismanoid 1:d57c1a2cb83c 588 switch(ref_sel)
whismanoid 1:d57c1a2cb83c 589 {
whismanoid 1:d57c1a2cb83c 590 case REF_SEL_000_AIN0_AIN1: VRef = VRef_REF0; break;
whismanoid 1:d57c1a2cb83c 591 case REF_SEL_001_REF1P_REF1N: VRef = VRef_REF1; break;
whismanoid 1:d57c1a2cb83c 592 case REF_SEL_010_REF2P_REF2N: VRef = VRef_REF2; break;
whismanoid 1:d57c1a2cb83c 593 case REF_SEL_011_AVDD_AGND: VRef = VRef_AVDD; break;
whismanoid 1:d57c1a2cb83c 594 case REF_SEL_100_AIN0_AGND: VRef = VRef_REF0; break;
whismanoid 1:d57c1a2cb83c 595 case REF_SEL_101_REF1P_AGND: VRef = VRef_REF1; break;
whismanoid 1:d57c1a2cb83c 596 case REF_SEL_110_REF2P_AGND: VRef = VRef_REF2; break;
whismanoid 1:d57c1a2cb83c 597 case REF_SEL_111_AVDD_AGND: VRef = VRef_AVDD; break;
whismanoid 1:d57c1a2cb83c 598 }
whismanoid 0:68e64068330f 599 double MaxScaleVoltage = VRef; // voltage of maximum code 0xffffff
whismanoid 0:68e64068330f 600 double MinScaleVoltage = 0.0; // voltage of minimum code 0x000
whismanoid 0:68e64068330f 601 const uint32_t FULL_SCALE_CODE_24BIT = 0xffffff;
whismanoid 0:68e64068330f 602 const uint32_t MaxCode = FULL_SCALE_CODE_24BIT;
whismanoid 0:68e64068330f 603 const uint32_t MinCode = 0x000;
whismanoid 0:68e64068330f 604 double codeFraction = ((double)value_u24 - MinCode) / (MaxCode - MinCode + 1);
whismanoid 1:d57c1a2cb83c 605 return (MinScaleVoltage + ((MaxScaleVoltage - MinScaleVoltage) * codeFraction)) / pgaGain;
whismanoid 1:d57c1a2cb83c 606 }
whismanoid 1:d57c1a2cb83c 607
whismanoid 1:d57c1a2cb83c 608 //----------------------------------------
whismanoid 1:d57c1a2cb83c 609 // Return the physical voltage corresponding to conversion result,
whismanoid 1:d57c1a2cb83c 610 // when conversion format is Bipolar mode, offset binary.
whismanoid 1:d57c1a2cb83c 611 // Does not perform any offset or gain correction.
whismanoid 1:d57c1a2cb83c 612 //
whismanoid 1:d57c1a2cb83c 613 // @pre CTRL::U_BN = 0 -- Bipolar mode
whismanoid 1:d57c1a2cb83c 614 // @pre CTRL::FORMAT = 1 -- offset binary
whismanoid 1:d57c1a2cb83c 615 // @pre VRef = Voltage of REF input, in Volts
whismanoid 1:d57c1a2cb83c 616 // @param[in] value_u24: raw 24-bit MAX11410 code (right justified).
whismanoid 1:d57c1a2cb83c 617 // @return physical voltage corresponding to MAX11410 code.
whismanoid 14:b49eecf7e4d8 618 //
whismanoid 19:50cf5da53d36 619 // @test tinyTester.blink_time_msec = 20 // quickly speed through the software verification
whismanoid 19:50cf5da53d36 620 // @test Configure_CTRL_REF(2) expect 1 // These tests require REF2 = 2.500V
whismanoid 19:50cf5da53d36 621 // @test Configure_PGA(0,0) expect 1 // These tests require PGA gain=1
whismanoid 19:50cf5da53d36 622 // @test group BIPOB VoltageOfCode_Bipolar_OffsetBinary(0xFFFFFF) expect 2.5 within 0.030 // Full Scale
whismanoid 19:50cf5da53d36 623 // @test group BIPOB VoltageOfCode_Bipolar_OffsetBinary(0xFFFFFE) expect 2.5 // Full Scale
whismanoid 19:50cf5da53d36 624 // @test group BIPOB VoltageOfCode_Bipolar_OffsetBinary(0xC00000) expect 1.25 // Mid Scale
whismanoid 19:50cf5da53d36 625 // @test group BIPOB VoltageOfCode_Bipolar_OffsetBinary(0x800003) expect 0.00000894069671 // Three LSB
whismanoid 19:50cf5da53d36 626 // @test group BIPOB VoltageOfCode_Bipolar_OffsetBinary(0x800002) expect 0.00000596046447 // Two LSB
whismanoid 19:50cf5da53d36 627 // @test group BIPOB VoltageOfCode_Bipolar_OffsetBinary(0x800001) expect 0.0000029802326 // One LSB
whismanoid 19:50cf5da53d36 628 // @test group BIPOB VoltageOfCode_Bipolar_OffsetBinary(0x800000) expect 0.0 // Zero Scale
whismanoid 19:50cf5da53d36 629 // @test group BIPOB VoltageOfCode_Bipolar_OffsetBinary(0x7FFFFF) expect -0.0000029802326 // Negative One LSB
whismanoid 19:50cf5da53d36 630 // @test group BIPOB VoltageOfCode_Bipolar_OffsetBinary(0x7FFFFE) expect -0.0000059604644 // Negative Two LSB
whismanoid 19:50cf5da53d36 631 // @test group BIPOB VoltageOfCode_Bipolar_OffsetBinary(0x7FFFFD) expect -0.0000089406967 // Negative Three LSB
whismanoid 19:50cf5da53d36 632 // @test group BIPOB VoltageOfCode_Bipolar_OffsetBinary(0x400000) expect -1.25 // Negative Mid Scale
whismanoid 19:50cf5da53d36 633 // @test group BIPOB VoltageOfCode_Bipolar_OffsetBinary(0x000001) expect -2.5 // Negative Full Scale
whismanoid 19:50cf5da53d36 634 // @test group BIPOB VoltageOfCode_Bipolar_OffsetBinary(0x000000) expect -2.5 // Negative Full Scale
whismanoid 19:50cf5da53d36 635 // @test tinyTester.blink_time_msec = 75 // default 75 resume hardware self test
whismanoid 1:d57c1a2cb83c 636 //
whismanoid 1:d57c1a2cb83c 637 double MAX11410::VoltageOfCode_Bipolar_OffsetBinary(uint32_t value_u24)
whismanoid 1:d57c1a2cb83c 638 {
whismanoid 1:d57c1a2cb83c 639
whismanoid 1:d57c1a2cb83c 640 //----------------------------------------
whismanoid 1:d57c1a2cb83c 641 // Linear map min and max endpoints
whismanoid 1:d57c1a2cb83c 642 double VRef = VRef_REF2;
whismanoid 1:d57c1a2cb83c 643 uint8_t ref_sel = (ctrl & 0x03); // MAX11410_REF_SEL_enum_t
whismanoid 1:d57c1a2cb83c 644 switch(ref_sel)
whismanoid 1:d57c1a2cb83c 645 {
whismanoid 1:d57c1a2cb83c 646 case REF_SEL_000_AIN0_AIN1: VRef = VRef_REF0; break;
whismanoid 1:d57c1a2cb83c 647 case REF_SEL_001_REF1P_REF1N: VRef = VRef_REF1; break;
whismanoid 1:d57c1a2cb83c 648 case REF_SEL_010_REF2P_REF2N: VRef = VRef_REF2; break;
whismanoid 1:d57c1a2cb83c 649 case REF_SEL_011_AVDD_AGND: VRef = VRef_AVDD; break;
whismanoid 1:d57c1a2cb83c 650 case REF_SEL_100_AIN0_AGND: VRef = VRef_REF0; break;
whismanoid 1:d57c1a2cb83c 651 case REF_SEL_101_REF1P_AGND: VRef = VRef_REF1; break;
whismanoid 1:d57c1a2cb83c 652 case REF_SEL_110_REF2P_AGND: VRef = VRef_REF2; break;
whismanoid 1:d57c1a2cb83c 653 case REF_SEL_111_AVDD_AGND: VRef = VRef_AVDD; break;
whismanoid 1:d57c1a2cb83c 654 }
whismanoid 1:d57c1a2cb83c 655 double MaxScaleVoltage = 2*VRef; // voltage of maximum code 0x7fffff
whismanoid 1:d57c1a2cb83c 656 double MinScaleVoltage = 0; // voltage of minimum code 0x800000;
whismanoid 1:d57c1a2cb83c 657 const uint32_t FULL_SCALE_CODE_24BIT = 0x7fffff;
whismanoid 1:d57c1a2cb83c 658 const uint32_t MaxCode = FULL_SCALE_CODE_24BIT;
whismanoid 1:d57c1a2cb83c 659 const int32_t CodeSpan = 0x1000000;
whismanoid 1:d57c1a2cb83c 660 const uint32_t MinCode = 0x800000;
whismanoid 1:d57c1a2cb83c 661 double codeFraction = ((double)value_u24 - MinCode) / CodeSpan;
whismanoid 1:d57c1a2cb83c 662 return (MinScaleVoltage + ((MaxScaleVoltage - MinScaleVoltage) * codeFraction)) / pgaGain;
whismanoid 1:d57c1a2cb83c 663 }
whismanoid 1:d57c1a2cb83c 664
whismanoid 1:d57c1a2cb83c 665 //----------------------------------------
whismanoid 1:d57c1a2cb83c 666 // Return the physical voltage corresponding to conversion result,
whismanoid 1:d57c1a2cb83c 667 // when conversion format is Bipolar mode, 2's complement.
whismanoid 1:d57c1a2cb83c 668 // Does not perform any offset or gain correction.
whismanoid 1:d57c1a2cb83c 669 //
whismanoid 1:d57c1a2cb83c 670 // @pre CTRL::U_BN = 0 -- Bipolar mode
whismanoid 1:d57c1a2cb83c 671 // @pre CTRL::FORMAT = 0 -- 2's complement
whismanoid 1:d57c1a2cb83c 672 // @pre VRef = Voltage of REF input, in Volts
whismanoid 1:d57c1a2cb83c 673 // @param[in] value_u24: raw 24-bit MAX11410 code (right justified).
whismanoid 1:d57c1a2cb83c 674 // @return physical voltage corresponding to MAX11410 code.
whismanoid 14:b49eecf7e4d8 675 //
whismanoid 19:50cf5da53d36 676 // @test tinyTester.blink_time_msec = 20 // quickly speed through the software verification
whismanoid 19:50cf5da53d36 677 // @test Configure_CTRL_REF(2) expect 1 // These tests require REF2 = 2.500V
whismanoid 19:50cf5da53d36 678 // @test Configure_PGA(0,0) expect 1 // These tests require PGA gain=1
whismanoid 19:50cf5da53d36 679 // @test group BIP2C VoltageOfCode_Bipolar_2sComplement(0x7FFFFF) expect 2.500 within 0.030 // Full Scale
whismanoid 19:50cf5da53d36 680 // @test group BIP2C VoltageOfCode_Bipolar_2sComplement(0x7FFFFE) expect 2.500 // Full Scale
whismanoid 19:50cf5da53d36 681 // @test group BIP2C VoltageOfCode_Bipolar_2sComplement(0x666666) expect 2.000 // Two Volts
whismanoid 19:50cf5da53d36 682 // @test group BIP2C VoltageOfCode_Bipolar_2sComplement(0x600000) expect 1.875 // 75% Scale
whismanoid 19:50cf5da53d36 683 // @test group BIP2C VoltageOfCode_Bipolar_2sComplement(0x400000) expect 1.250 // Mid Scale
whismanoid 19:50cf5da53d36 684 // @test group BIP2C VoltageOfCode_Bipolar_2sComplement(0x333333) expect 1.000 // One Volt
whismanoid 19:50cf5da53d36 685 // @test group BIP2C VoltageOfCode_Bipolar_2sComplement(0x200000) expect 0.625 // 25% Scale
whismanoid 19:50cf5da53d36 686 // @test group BIP2C VoltageOfCode_Bipolar_2sComplement(0x051eb8) expect 0.100 // 100mV
whismanoid 19:50cf5da53d36 687 // @test group BIP2C VoltageOfCode_Bipolar_2sComplement(0x000003) expect 0.00000894069671 // Three LSB
whismanoid 19:50cf5da53d36 688 // @test group BIP2C VoltageOfCode_Bipolar_2sComplement(0x000002) expect 0.00000596046447 // Two LSB
whismanoid 19:50cf5da53d36 689 // @test group BIP2C VoltageOfCode_Bipolar_2sComplement(0x000001) expect 0.0000029802326 // One LSB
whismanoid 19:50cf5da53d36 690 // @test group BIP2C VoltageOfCode_Bipolar_2sComplement(0x000000) expect 0.0 // Zero Scale
whismanoid 19:50cf5da53d36 691 // @test group BIP2C VoltageOfCode_Bipolar_2sComplement(0xFFFFFF) expect -0.0000029802326 // Negative One LSB
whismanoid 19:50cf5da53d36 692 // @test group BIP2C VoltageOfCode_Bipolar_2sComplement(0xFFFFFE) expect -0.0000059604644 // Negative Two LSB
whismanoid 19:50cf5da53d36 693 // @test group BIP2C VoltageOfCode_Bipolar_2sComplement(0xFFFFFD) expect -0.0000089406967 // Negative Three LSB
whismanoid 19:50cf5da53d36 694 // @test group BIP2C VoltageOfCode_Bipolar_2sComplement(0xFAE148) expect -0.100 // Negative 100mV
whismanoid 19:50cf5da53d36 695 // @test group BIP2C VoltageOfCode_Bipolar_2sComplement(0xE00000) expect -0.625 // Negative 25% Scale
whismanoid 19:50cf5da53d36 696 // @test group BIP2C VoltageOfCode_Bipolar_2sComplement(0xCCCCCD) expect -1.000 // Negative One Volt
whismanoid 19:50cf5da53d36 697 // @test group BIP2C VoltageOfCode_Bipolar_2sComplement(0xC00000) expect -1.250 // Negative Mid Scale
whismanoid 19:50cf5da53d36 698 // @test group BIP2C VoltageOfCode_Bipolar_2sComplement(0xA00000) expect -1.875 // Negative 75% Scale
whismanoid 19:50cf5da53d36 699 // @test group BIP2C VoltageOfCode_Bipolar_2sComplement(0x99999A) expect -2.000 // Negative Two Volts
whismanoid 19:50cf5da53d36 700 // @test group BIP2C VoltageOfCode_Bipolar_2sComplement(0x800001) expect -2.500 // Negative Full Scale
whismanoid 19:50cf5da53d36 701 // @test group BIP2C VoltageOfCode_Bipolar_2sComplement(0x800000) expect -2.500 // Negative Full Scale
whismanoid 19:50cf5da53d36 702 // @test tinyTester.blink_time_msec = 75 // default 75 resume hardware self test
whismanoid 1:d57c1a2cb83c 703 //
whismanoid 1:d57c1a2cb83c 704 double MAX11410::VoltageOfCode_Bipolar_2sComplement(uint32_t value_u24)
whismanoid 1:d57c1a2cb83c 705 {
whismanoid 1:d57c1a2cb83c 706
whismanoid 1:d57c1a2cb83c 707 //----------------------------------------
whismanoid 1:d57c1a2cb83c 708 // Linear map min and max endpoints
whismanoid 1:d57c1a2cb83c 709 double VRef = VRef_REF2;
whismanoid 1:d57c1a2cb83c 710 uint8_t ref_sel = (ctrl & 0x03); // MAX11410_REF_SEL_enum_t
whismanoid 1:d57c1a2cb83c 711 switch(ref_sel)
whismanoid 1:d57c1a2cb83c 712 {
whismanoid 1:d57c1a2cb83c 713 case REF_SEL_000_AIN0_AIN1: VRef = VRef_REF0; break;
whismanoid 1:d57c1a2cb83c 714 case REF_SEL_001_REF1P_REF1N: VRef = VRef_REF1; break;
whismanoid 1:d57c1a2cb83c 715 case REF_SEL_010_REF2P_REF2N: VRef = VRef_REF2; break;
whismanoid 1:d57c1a2cb83c 716 case REF_SEL_011_AVDD_AGND: VRef = VRef_AVDD; break;
whismanoid 1:d57c1a2cb83c 717 case REF_SEL_100_AIN0_AGND: VRef = VRef_REF0; break;
whismanoid 1:d57c1a2cb83c 718 case REF_SEL_101_REF1P_AGND: VRef = VRef_REF1; break;
whismanoid 1:d57c1a2cb83c 719 case REF_SEL_110_REF2P_AGND: VRef = VRef_REF2; break;
whismanoid 1:d57c1a2cb83c 720 case REF_SEL_111_AVDD_AGND: VRef = VRef_AVDD; break;
whismanoid 1:d57c1a2cb83c 721 }
whismanoid 1:d57c1a2cb83c 722 double MaxScaleVoltage = 2 * VRef; // voltage of maximum code 0x7fffff
whismanoid 1:d57c1a2cb83c 723 double MinScaleVoltage = 0; // voltage of minimum code 0x800000
whismanoid 1:d57c1a2cb83c 724 const int32_t FULL_SCALE_CODE_24BIT_2S_COMPLEMENT = 0x7fffff;
whismanoid 1:d57c1a2cb83c 725 const int32_t SIGN_BIT_24BIT_2S_COMPLEMENT = 0x800000;
whismanoid 1:d57c1a2cb83c 726 if (value_u24 >= SIGN_BIT_24BIT_2S_COMPLEMENT) { value_u24 = value_u24 - (2 * SIGN_BIT_24BIT_2S_COMPLEMENT); }
whismanoid 1:d57c1a2cb83c 727 const int32_t MaxCode = FULL_SCALE_CODE_24BIT_2S_COMPLEMENT;
whismanoid 1:d57c1a2cb83c 728 const int32_t CodeSpan = 0x1000000;
whismanoid 1:d57c1a2cb83c 729 const int32_t MinCode = 0;
whismanoid 1:d57c1a2cb83c 730 double codeFraction = ((double)((int32_t)value_u24) - MinCode) / CodeSpan;
whismanoid 1:d57c1a2cb83c 731 return (MinScaleVoltage + ((MaxScaleVoltage - MinScaleVoltage) * codeFraction)) / pgaGain;
whismanoid 1:d57c1a2cb83c 732 }
whismanoid 1:d57c1a2cb83c 733
whismanoid 1:d57c1a2cb83c 734 //----------------------------------------
whismanoid 1:d57c1a2cb83c 735 // Return the physical voltage corresponding to conversion result,
whismanoid 1:d57c1a2cb83c 736 // when conversion format is determined by the CTRL register.
whismanoid 1:d57c1a2cb83c 737 // Does not perform any offset or gain correction.
whismanoid 1:d57c1a2cb83c 738 //
whismanoid 1:d57c1a2cb83c 739 // @pre CTRL::U_BN and CTRL::FORMAT = 0 select offset binary, 2's complement, or straight binary
whismanoid 1:d57c1a2cb83c 740 // @pre VRef = Voltage of REF input, in Volts
whismanoid 1:d57c1a2cb83c 741 // @param[in] value_u24: raw 24-bit MAX11410 code (right justified).
whismanoid 1:d57c1a2cb83c 742 // @return physical voltage corresponding to MAX11410 code.
whismanoid 1:d57c1a2cb83c 743 double MAX11410::VoltageOfCode(uint32_t value_u24)
whismanoid 1:d57c1a2cb83c 744 {
whismanoid 1:d57c1a2cb83c 745
whismanoid 1:d57c1a2cb83c 746 //----------------------------------------
whismanoid 1:d57c1a2cb83c 747 // warning -- WIP work in progress
whismanoid 1:d57c1a2cb83c 748 #warning "Not Tested Yet: MAX11410::VoltageOfCode..."
whismanoid 1:d57c1a2cb83c 749
whismanoid 1:d57c1a2cb83c 750 //----------------------------------------
whismanoid 1:d57c1a2cb83c 751 // Determine format from CTRL register U_BN and FORMAT
whismanoid 1:d57c1a2cb83c 752 uint8_t u_bn_bitmask = (1 << 6);
whismanoid 1:d57c1a2cb83c 753 uint8_t format_bitmask = (1 << 5);
whismanoid 1:d57c1a2cb83c 754 if ((ctrl & u_bn_bitmask) != 0)
whismanoid 1:d57c1a2cb83c 755 {
whismanoid 1:d57c1a2cb83c 756 return VoltageOfCode_Unipolar(value_u24);
whismanoid 1:d57c1a2cb83c 757 }
whismanoid 1:d57c1a2cb83c 758 if ((ctrl & format_bitmask) != 0)
whismanoid 1:d57c1a2cb83c 759 {
whismanoid 1:d57c1a2cb83c 760 return VoltageOfCode_Bipolar_OffsetBinary(value_u24);
whismanoid 1:d57c1a2cb83c 761 }
whismanoid 1:d57c1a2cb83c 762 return VoltageOfCode_Bipolar_2sComplement(value_u24);
whismanoid 0:68e64068330f 763 }
whismanoid 0:68e64068330f 764
whismanoid 0:68e64068330f 765 //----------------------------------------
whismanoid 0:68e64068330f 766 // Write a MAX11410 register.
whismanoid 0:68e64068330f 767 //
whismanoid 11:abde565b8497 768 // CMDOP_1aaa_aaaa_ReadRegister bit is cleared 0 indicating a write operation.
whismanoid 0:68e64068330f 769 //
whismanoid 0:68e64068330f 770 // MAX11410 register length can be determined by function RegSize.
whismanoid 0:68e64068330f 771 //
whismanoid 0:68e64068330f 772 // For 8-bit register size:
whismanoid 0:68e64068330f 773 //
whismanoid 0:68e64068330f 774 // SPI 16-bit transfer
whismanoid 0:68e64068330f 775 //
whismanoid 0:68e64068330f 776 // SPI MOSI = 0aaa_aaaa_dddd_dddd
whismanoid 0:68e64068330f 777 //
whismanoid 0:68e64068330f 778 // SPI MISO = xxxx_xxxx_xxxx_xxxx
whismanoid 0:68e64068330f 779 //
whismanoid 0:68e64068330f 780 // For 16-bit register size:
whismanoid 0:68e64068330f 781 //
whismanoid 0:68e64068330f 782 // SPI 24-bit or 32-bit transfer
whismanoid 0:68e64068330f 783 //
whismanoid 0:68e64068330f 784 // SPI MOSI = 0aaa_aaaa_dddd_dddd_dddd_dddd
whismanoid 0:68e64068330f 785 //
whismanoid 0:68e64068330f 786 // SPI MISO = xxxx_xxxx_xxxx_xxxx_xxxx_xxxx
whismanoid 0:68e64068330f 787 //
whismanoid 0:68e64068330f 788 // For 24-bit register size:
whismanoid 0:68e64068330f 789 //
whismanoid 0:68e64068330f 790 // SPI 32-bit transfer
whismanoid 0:68e64068330f 791 //
whismanoid 0:68e64068330f 792 // SPI MOSI = 0aaa_aaaa_dddd_dddd_dddd_dddd_dddd_dddd
whismanoid 0:68e64068330f 793 //
whismanoid 0:68e64068330f 794 // SPI MISO = xxxx_xxxx_xxxx_xxxx_xxxx_xxxx_xxxx_xxxx
whismanoid 0:68e64068330f 795 //
whismanoid 0:68e64068330f 796 // @return 1 on success; 0 on failure
whismanoid 10:7adee48a7f82 797 uint8_t MAX11410::RegWrite(MAX11410_CMD_enum_t commandByte, uint32_t regData)
whismanoid 0:68e64068330f 798 {
whismanoid 0:68e64068330f 799
whismanoid 0:68e64068330f 800 //----------------------------------------
whismanoid 10:7adee48a7f82 801 // switch based on register address szie RegSize(commandByte)
whismanoid 11:abde565b8497 802 commandByte = (MAX11410_CMD_enum_t)((commandByte &~ CMDOP_1aaa_aaaa_ReadRegister) & 0xFF);
whismanoid 10:7adee48a7f82 803 switch(RegSize(commandByte))
whismanoid 0:68e64068330f 804 {
whismanoid 0:68e64068330f 805 case 8: // 8-bit register size
whismanoid 0:68e64068330f 806 {
whismanoid 0:68e64068330f 807 // SPI 16-bit transfer
whismanoid 0:68e64068330f 808 // SPI MOSI = 0aaa_aaaa_dddd_dddd
whismanoid 0:68e64068330f 809 // SPI MISO = xxxx_xxxx_xxxx_xxxx
whismanoid 10:7adee48a7f82 810 int16_t mosiData16 = ((int16_t)commandByte << 8) | ((int16_t)regData & 0xFF);
whismanoid 0:68e64068330f 811 SPIoutputCS(0);
whismanoid 0:68e64068330f 812 SPIwrite16bits(mosiData16);
whismanoid 0:68e64068330f 813 SPIoutputCS(1);
whismanoid 0:68e64068330f 814 }
whismanoid 0:68e64068330f 815 break;
whismanoid 0:68e64068330f 816 case 16: // 16-bit register size
whismanoid 0:68e64068330f 817 #warning "Not Verified Yet: MAX11410::RegWrite 16-bit SPIreadWrite32bits"
whismanoid 0:68e64068330f 818 {
whismanoid 0:68e64068330f 819 // SPI 24-bit or 32-bit transfer
whismanoid 0:68e64068330f 820 // SPI MOSI = 0aaa_aaaa_dddd_dddd_dddd_dddd
whismanoid 0:68e64068330f 821 // SPI MISO = xxxx_xxxx_xxxx_xxxx_xxxx_xxxx
whismanoid 0:68e64068330f 822 // SPI MOSI = 0aaa_aaaa_dddd_dddd_dddd_dddd_0000_0000
whismanoid 0:68e64068330f 823 // SPI MISO = xxxx_xxxx_xxxx_xxxx_xxxx_xxxx_xxxx_xxxx
whismanoid 10:7adee48a7f82 824 int32_t mosiData32 = ((int32_t)commandByte << 24) | (((int32_t)regData & 0xFFFF) << 8);
whismanoid 0:68e64068330f 825 SPIoutputCS(0);
whismanoid 0:68e64068330f 826 SPIreadWrite32bits(mosiData32);
whismanoid 0:68e64068330f 827 SPIoutputCS(1);
whismanoid 0:68e64068330f 828 }
whismanoid 0:68e64068330f 829 break;
whismanoid 0:68e64068330f 830 case 24: // 24-bit register size
whismanoid 0:68e64068330f 831 {
whismanoid 0:68e64068330f 832 // SPI 32-bit transfer
whismanoid 0:68e64068330f 833 // SPI MOSI = 0aaa_aaaa_dddd_dddd_dddd_dddd_dddd_dddd
whismanoid 0:68e64068330f 834 // SPI MISO = xxxx_xxxx_xxxx_xxxx_xxxx_xxxx_xxxx_xxxx
whismanoid 10:7adee48a7f82 835 int32_t mosiData32 = ((int32_t)commandByte << 24) | ((int32_t)regData & 0x00FFFFFF);
whismanoid 0:68e64068330f 836 SPIoutputCS(0);
whismanoid 0:68e64068330f 837 SPIreadWrite32bits(mosiData32);
whismanoid 0:68e64068330f 838 SPIoutputCS(1);
whismanoid 0:68e64068330f 839 }
whismanoid 0:68e64068330f 840 break;
whismanoid 0:68e64068330f 841 }
whismanoid 0:68e64068330f 842
whismanoid 0:68e64068330f 843 //----------------------------------------
whismanoid 0:68e64068330f 844 // success
whismanoid 0:68e64068330f 845 return 1;
whismanoid 0:68e64068330f 846 }
whismanoid 0:68e64068330f 847
whismanoid 0:68e64068330f 848 //----------------------------------------
whismanoid 0:68e64068330f 849 // Read an 8-bit MAX11410 register
whismanoid 0:68e64068330f 850 //
whismanoid 11:abde565b8497 851 // CMDOP_1aaa_aaaa_ReadRegister bit is set 1 indicating a read operation.
whismanoid 0:68e64068330f 852 //
whismanoid 0:68e64068330f 853 // MAX11410 register length can be determined by function RegSize.
whismanoid 0:68e64068330f 854 //
whismanoid 0:68e64068330f 855 // For 8-bit register size:
whismanoid 0:68e64068330f 856 //
whismanoid 0:68e64068330f 857 // SPI 16-bit transfer
whismanoid 0:68e64068330f 858 //
whismanoid 0:68e64068330f 859 // SPI MOSI = 1aaa_aaaa_0000_0000
whismanoid 0:68e64068330f 860 //
whismanoid 0:68e64068330f 861 // SPI MISO = xxxx_xxxx_dddd_dddd
whismanoid 0:68e64068330f 862 //
whismanoid 0:68e64068330f 863 // For 16-bit register size:
whismanoid 0:68e64068330f 864 //
whismanoid 0:68e64068330f 865 // SPI 24-bit or 32-bit transfer
whismanoid 0:68e64068330f 866 //
whismanoid 0:68e64068330f 867 // SPI MOSI = 1aaa_aaaa_0000_0000_0000_0000
whismanoid 0:68e64068330f 868 //
whismanoid 0:68e64068330f 869 // SPI MISO = xxxx_xxxx_dddd_dddd_dddd_dddd
whismanoid 0:68e64068330f 870 //
whismanoid 0:68e64068330f 871 // For 24-bit register size:
whismanoid 0:68e64068330f 872 //
whismanoid 0:68e64068330f 873 // SPI 32-bit transfer
whismanoid 0:68e64068330f 874 //
whismanoid 0:68e64068330f 875 // SPI MOSI = 1aaa_aaaa_0000_0000_0000_0000_0000_0000
whismanoid 0:68e64068330f 876 //
whismanoid 0:68e64068330f 877 // SPI MISO = xxxx_xxxx_dddd_dddd_dddd_dddd_dddd_dddd
whismanoid 0:68e64068330f 878 //
whismanoid 0:68e64068330f 879 //
whismanoid 0:68e64068330f 880 // @return 1 on success; 0 on failure
whismanoid 10:7adee48a7f82 881 uint8_t MAX11410::RegRead(MAX11410_CMD_enum_t commandByte, uint32_t* ptrRegData)
whismanoid 0:68e64068330f 882 {
whismanoid 0:68e64068330f 883
whismanoid 0:68e64068330f 884 //----------------------------------------
whismanoid 0:68e64068330f 885 // switch based on register address szie RegSize(regAddress)
whismanoid 11:abde565b8497 886 commandByte = (MAX11410_CMD_enum_t)((commandByte &~ CMDOP_1aaa_aaaa_ReadRegister) & 0xFF);
whismanoid 10:7adee48a7f82 887 switch(RegSize(commandByte))
whismanoid 0:68e64068330f 888 {
whismanoid 0:68e64068330f 889 case 8: // 8-bit register size
whismanoid 0:68e64068330f 890 {
whismanoid 0:68e64068330f 891 // SPI 16-bit transfer
whismanoid 0:68e64068330f 892 // SPI MOSI = 1aaa_aaaa_0000_0000
whismanoid 0:68e64068330f 893 // SPI MISO = xxxx_xxxx_dddd_dddd
whismanoid 11:abde565b8497 894 int16_t mosiData16 = ((CMDOP_1aaa_aaaa_ReadRegister | (int16_t)commandByte) << 8) | ((int16_t)0);
whismanoid 0:68e64068330f 895 SPIoutputCS(0);
whismanoid 0:68e64068330f 896 int16_t misoData16 = SPIreadWrite16bits(mosiData16);
whismanoid 0:68e64068330f 897 SPIoutputCS(1);
whismanoid 0:68e64068330f 898 (*ptrRegData) = (misoData16 & 0x00FF);
whismanoid 0:68e64068330f 899 }
whismanoid 0:68e64068330f 900 break;
whismanoid 0:68e64068330f 901 case 16: // 16-bit register size
whismanoid 0:68e64068330f 902 #warning "Not Verified Yet: MAX11410::RegRead 16-bit SPIreadWrite32bits"
whismanoid 0:68e64068330f 903 {
whismanoid 0:68e64068330f 904 // SPI 24-bit or 32-bit transfer
whismanoid 0:68e64068330f 905 // SPI MOSI = 1aaa_aaaa_0000_0000_0000_0000
whismanoid 0:68e64068330f 906 // SPI MISO = xxxx_xxxx_dddd_dddd_dddd_dddd
whismanoid 0:68e64068330f 907 // SPI MOSI = 1aaa_aaaa_0000_0000_0000_0000_0000_0000
whismanoid 0:68e64068330f 908 // SPI MISO = xxxx_xxxx_dddd_dddd_dddd_dddd_xxxx_xxxx
whismanoid 11:abde565b8497 909 int32_t mosiData32 = ((CMDOP_1aaa_aaaa_ReadRegister | (int32_t)commandByte) << 24);
whismanoid 0:68e64068330f 910 SPIoutputCS(0);
whismanoid 0:68e64068330f 911 int32_t misoData32 = SPIreadWrite32bits(mosiData32);
whismanoid 0:68e64068330f 912 SPIoutputCS(1);
whismanoid 0:68e64068330f 913 (*ptrRegData) = ((misoData32 >> 8) & 0x00FFFF);
whismanoid 0:68e64068330f 914 }
whismanoid 0:68e64068330f 915 break;
whismanoid 0:68e64068330f 916 case 24: // 24-bit register size
whismanoid 0:68e64068330f 917 {
whismanoid 0:68e64068330f 918 // SPI 32-bit transfer
whismanoid 0:68e64068330f 919 // SPI MOSI = 1aaa_aaaa_0000_0000_0000_0000_0000_0000
whismanoid 0:68e64068330f 920 // SPI MISO = xxxx_xxxx_dddd_dddd_dddd_dddd_dddd_dddd
whismanoid 11:abde565b8497 921 int32_t mosiData32 = ((CMDOP_1aaa_aaaa_ReadRegister | (int32_t)commandByte) << 24);
whismanoid 0:68e64068330f 922 SPIoutputCS(0);
whismanoid 0:68e64068330f 923 int32_t misoData32 = SPIreadWrite32bits(mosiData32);
whismanoid 0:68e64068330f 924 SPIoutputCS(1);
whismanoid 0:68e64068330f 925 (*ptrRegData) = (misoData32 & 0x00FFFFFF);
whismanoid 0:68e64068330f 926 }
whismanoid 0:68e64068330f 927 break;
whismanoid 0:68e64068330f 928 }
whismanoid 0:68e64068330f 929
whismanoid 0:68e64068330f 930 //----------------------------------------
whismanoid 0:68e64068330f 931 // success
whismanoid 0:68e64068330f 932 return 1;
whismanoid 0:68e64068330f 933 }
whismanoid 0:68e64068330f 934
whismanoid 0:68e64068330f 935 //----------------------------------------
whismanoid 0:68e64068330f 936 // Return the size of a MAX11410 register
whismanoid 0:68e64068330f 937 //
whismanoid 0:68e64068330f 938 // @return 8 for 8-bit, 16 for 16-bit, 24 for 24-bit, else 0 for undefined register size
whismanoid 10:7adee48a7f82 939 uint8_t MAX11410::RegSize(MAX11410_CMD_enum_t commandByte)
whismanoid 0:68e64068330f 940 {
whismanoid 0:68e64068330f 941
whismanoid 0:68e64068330f 942 //----------------------------------------
whismanoid 0:68e64068330f 943 // switch based on register address value regAddress
whismanoid 11:abde565b8497 944 commandByte = (MAX11410_CMD_enum_t)((commandByte &~ CMDOP_1aaa_aaaa_ReadRegister) & 0xFF);
whismanoid 10:7adee48a7f82 945 switch(commandByte)
whismanoid 0:68e64068330f 946 {
whismanoid 0:68e64068330f 947 default:
whismanoid 0:68e64068330f 948 return 0; // undefined register size
whismanoid 0:68e64068330f 949 case CMD_r000_0000_xxxx_xxdd_PD:
whismanoid 0:68e64068330f 950 case CMD_r000_0001_xddd_xxdd_CONV_START:
whismanoid 0:68e64068330f 951 case CMD_r000_0010_xddd_dddd_SEQ_START:
whismanoid 0:68e64068330f 952 case CMD_r000_0011_xxxx_xddd_CAL_START:
whismanoid 0:68e64068330f 953 case CMD_r000_0100_dddd_xddd_GP0_CTRL:
whismanoid 0:68e64068330f 954 case CMD_r000_0101_dddd_xddd_GP1_CTRL:
whismanoid 0:68e64068330f 955 case CMD_r000_0110_xddd_xxdd_GP_CONV:
whismanoid 0:68e64068330f 956 case CMD_r000_0111_xddd_dddd_GP_SEQ_ADDR:
whismanoid 0:68e64068330f 957 case CMD_r000_1000_x0dd_dddd_FILTER:
whismanoid 0:68e64068330f 958 case CMD_r000_1001_dddd_dddd_CTRL:
whismanoid 0:68e64068330f 959 case CMD_r000_1010_dddd_dddd_SOURCE:
whismanoid 0:68e64068330f 960 case CMD_r000_1011_dddd_dddd_MUX_CTRL0:
whismanoid 0:68e64068330f 961 case CMD_r000_1100_dddd_dddd_MUX_CTRL1:
whismanoid 0:68e64068330f 962 case CMD_r000_1101_dddd_dddd_MUX_CTRL2:
whismanoid 0:68e64068330f 963 case CMD_r000_1110_xxdd_xddd_PGA:
whismanoid 0:68e64068330f 964 case CMD_r000_1111_dddd_dddd_WAIT_EXT:
whismanoid 0:68e64068330f 965 case CMD_r001_0000_xxxx_xxxx_WAIT_START:
whismanoid 0:68e64068330f 966 return 8; // 8-bit register size
whismanoid 0:68e64068330f 967 case CMD_r001_0001_xxxx_xxxx_xxxx_xxxx_xxxx_xddd_PART_ID:
whismanoid 0:68e64068330f 968 case CMD_r001_0010_xxxx_xxxx_dddd_xxdd_dddd_dddd_SYSC_SEL:
whismanoid 0:68e64068330f 969 case CMD_r001_0011_dddd_dddd_dddd_dddd_dddd_dddd_SYS_OFF_A:
whismanoid 0:68e64068330f 970 case CMD_r001_0100_dddd_dddd_dddd_dddd_dddd_dddd_SYS_OFF_B:
whismanoid 0:68e64068330f 971 case CMD_r001_0101_dddd_dddd_dddd_dddd_dddd_dddd_SYS_GAIN_A:
whismanoid 0:68e64068330f 972 case CMD_r001_0110_dddd_dddd_dddd_dddd_dddd_dddd_SYS_GAIN_B:
whismanoid 0:68e64068330f 973 case CMD_r001_0111_dddd_dddd_dddd_dddd_dddd_dddd_SELF_OFF:
whismanoid 0:68e64068330f 974 case CMD_r001_1000_dddd_dddd_dddd_dddd_dddd_dddd_SELF_GAIN_1:
whismanoid 0:68e64068330f 975 case CMD_r001_1001_dddd_dddd_dddd_dddd_dddd_dddd_SELF_GAIN_2:
whismanoid 0:68e64068330f 976 case CMD_r001_1010_dddd_dddd_dddd_dddd_dddd_dddd_SELF_GAIN_4:
whismanoid 0:68e64068330f 977 case CMD_r001_1011_dddd_dddd_dddd_dddd_dddd_dddd_SELF_GAIN_8:
whismanoid 0:68e64068330f 978 case CMD_r001_1100_dddd_dddd_dddd_dddd_dddd_dddd_SELF_GAIN_16:
whismanoid 0:68e64068330f 979 case CMD_r001_1101_dddd_dddd_dddd_dddd_dddd_dddd_SELF_GAIN_32:
whismanoid 0:68e64068330f 980 case CMD_r001_1110_dddd_dddd_dddd_dddd_dddd_dddd_SELF_GAIN_64:
whismanoid 0:68e64068330f 981 case CMD_r001_1111_dddd_dddd_dddd_dddd_dddd_dddd_SELF_GAIN_128:
whismanoid 0:68e64068330f 982 case CMD_r010_0000_dddd_dddd_dddd_dddd_dddd_dddd_LTHRESH0:
whismanoid 0:68e64068330f 983 case CMD_r010_0001_dddd_dddd_dddd_dddd_dddd_dddd_LTHRESH1:
whismanoid 0:68e64068330f 984 case CMD_r010_0010_dddd_dddd_dddd_dddd_dddd_dddd_LTHRESH2:
whismanoid 0:68e64068330f 985 case CMD_r010_0011_dddd_dddd_dddd_dddd_dddd_dddd_LTHRESH3:
whismanoid 0:68e64068330f 986 case CMD_r010_0100_dddd_dddd_dddd_dddd_dddd_dddd_LTHRESH4:
whismanoid 0:68e64068330f 987 case CMD_r010_0101_dddd_dddd_dddd_dddd_dddd_dddd_LTHRESH5:
whismanoid 0:68e64068330f 988 case CMD_r010_0110_dddd_dddd_dddd_dddd_dddd_dddd_LTHRESH6:
whismanoid 0:68e64068330f 989 case CMD_r010_0111_dddd_dddd_dddd_dddd_dddd_dddd_LTHRESH7:
whismanoid 0:68e64068330f 990 case CMD_r010_1000_dddd_dddd_dddd_dddd_dddd_dddd_UTHRESH0:
whismanoid 0:68e64068330f 991 case CMD_r010_1001_dddd_dddd_dddd_dddd_dddd_dddd_UTHRESH1:
whismanoid 0:68e64068330f 992 case CMD_r010_1010_dddd_dddd_dddd_dddd_dddd_dddd_UTHRESH2:
whismanoid 0:68e64068330f 993 case CMD_r010_1011_dddd_dddd_dddd_dddd_dddd_dddd_UTHRESH3:
whismanoid 0:68e64068330f 994 case CMD_r010_1100_dddd_dddd_dddd_dddd_dddd_dddd_UTHRESH4:
whismanoid 0:68e64068330f 995 case CMD_r010_1101_dddd_dddd_dddd_dddd_dddd_dddd_UTHRESH5:
whismanoid 0:68e64068330f 996 case CMD_r010_1110_dddd_dddd_dddd_dddd_dddd_dddd_UTHRESH6:
whismanoid 0:68e64068330f 997 case CMD_r010_1111_dddd_dddd_dddd_dddd_dddd_dddd_UTHRESH7:
whismanoid 0:68e64068330f 998 case CMD_r011_0000_dddd_dddd_dddd_dddd_dddd_dddd_DATA0:
whismanoid 0:68e64068330f 999 case CMD_r011_0001_dddd_dddd_dddd_dddd_dddd_dddd_DATA1:
whismanoid 0:68e64068330f 1000 case CMD_r011_0010_dddd_dddd_dddd_dddd_dddd_dddd_DATA2:
whismanoid 0:68e64068330f 1001 case CMD_r011_0011_dddd_dddd_dddd_dddd_dddd_dddd_DATA3:
whismanoid 0:68e64068330f 1002 case CMD_r011_0100_dddd_dddd_dddd_dddd_dddd_dddd_DATA4:
whismanoid 0:68e64068330f 1003 case CMD_r011_0101_dddd_dddd_dddd_dddd_dddd_dddd_DATA5:
whismanoid 0:68e64068330f 1004 case CMD_r011_0110_dddd_dddd_dddd_dddd_dddd_dddd_DATA6:
whismanoid 0:68e64068330f 1005 case CMD_r011_0111_dddd_dddd_dddd_dddd_dddd_dddd_DATA7:
whismanoid 0:68e64068330f 1006 case CMD_r011_1000_dddd_dddd_dddd_dddd_dxxx_dddd_STATUS:
whismanoid 0:68e64068330f 1007 case CMD_r011_1001_dddd_dddd_dddd_dddd_dxxd_dddd_STATUS_IE:
whismanoid 0:68e64068330f 1008 return 24; // 24-bit register size
whismanoid 0:68e64068330f 1009 case CMD_r011_1010_xaaa_aaaa_dddd_dddd_UC_0:
whismanoid 0:68e64068330f 1010 case CMD_r011_1011_xaaa_aaaa_dddd_dddd_UC_1:
whismanoid 0:68e64068330f 1011 case CMD_r011_1100_xaaa_aaaa_dddd_dddd_UC_2:
whismanoid 0:68e64068330f 1012 case CMD_r011_1101_xaaa_aaaa_dddd_dddd_UC_3:
whismanoid 0:68e64068330f 1013 case CMD_r011_1110_xaaa_aaaa_dddd_dddd_UC_4:
whismanoid 0:68e64068330f 1014 case CMD_r011_1111_xaaa_aaaa_dddd_dddd_UC_5:
whismanoid 0:68e64068330f 1015 case CMD_r100_0000_xaaa_aaaa_dddd_dddd_UC_6:
whismanoid 0:68e64068330f 1016 case CMD_r100_0001_xaaa_aaaa_dddd_dddd_UC_7:
whismanoid 0:68e64068330f 1017 case CMD_r100_0010_xaaa_aaaa_dddd_dddd_UC_8:
whismanoid 0:68e64068330f 1018 case CMD_r100_0011_xaaa_aaaa_dddd_dddd_UC_9:
whismanoid 0:68e64068330f 1019 case CMD_r100_0100_xaaa_aaaa_dddd_dddd_UC_10:
whismanoid 0:68e64068330f 1020 case CMD_r100_0101_xaaa_aaaa_dddd_dddd_UC_11:
whismanoid 0:68e64068330f 1021 case CMD_r100_0110_xaaa_aaaa_dddd_dddd_UC_12:
whismanoid 0:68e64068330f 1022 case CMD_r100_0111_xaaa_aaaa_dddd_dddd_UC_13:
whismanoid 0:68e64068330f 1023 case CMD_r100_1000_xaaa_aaaa_dddd_dddd_UC_14:
whismanoid 0:68e64068330f 1024 case CMD_r100_1001_xaaa_aaaa_dddd_dddd_UC_15:
whismanoid 0:68e64068330f 1025 case CMD_r100_1010_xaaa_aaaa_dddd_dddd_UC_16:
whismanoid 0:68e64068330f 1026 case CMD_r100_1011_xaaa_aaaa_dddd_dddd_UC_17:
whismanoid 0:68e64068330f 1027 case CMD_r100_1100_xaaa_aaaa_dddd_dddd_UC_18:
whismanoid 0:68e64068330f 1028 case CMD_r100_1101_xaaa_aaaa_dddd_dddd_UC_19:
whismanoid 0:68e64068330f 1029 case CMD_r100_1110_xaaa_aaaa_dddd_dddd_UC_20:
whismanoid 0:68e64068330f 1030 case CMD_r100_1111_xaaa_aaaa_dddd_dddd_UC_21:
whismanoid 0:68e64068330f 1031 case CMD_r101_0000_xaaa_aaaa_dddd_dddd_UC_22:
whismanoid 0:68e64068330f 1032 case CMD_r101_0001_xaaa_aaaa_dddd_dddd_UC_23:
whismanoid 0:68e64068330f 1033 case CMD_r101_0010_xaaa_aaaa_dddd_dddd_UC_24:
whismanoid 0:68e64068330f 1034 case CMD_r101_0011_xaaa_aaaa_dddd_dddd_UC_25:
whismanoid 0:68e64068330f 1035 case CMD_r101_0100_xaaa_aaaa_dddd_dddd_UC_26:
whismanoid 0:68e64068330f 1036 case CMD_r101_0101_xaaa_aaaa_dddd_dddd_UC_27:
whismanoid 0:68e64068330f 1037 case CMD_r101_0110_xaaa_aaaa_dddd_dddd_UC_28:
whismanoid 0:68e64068330f 1038 case CMD_r101_0111_xaaa_aaaa_dddd_dddd_UC_29:
whismanoid 0:68e64068330f 1039 case CMD_r101_1000_xaaa_aaaa_dddd_dddd_UC_30:
whismanoid 0:68e64068330f 1040 case CMD_r101_1001_xaaa_aaaa_dddd_dddd_UC_31:
whismanoid 0:68e64068330f 1041 case CMD_r101_1010_xaaa_aaaa_dddd_dddd_UC_32:
whismanoid 0:68e64068330f 1042 case CMD_r101_1011_xaaa_aaaa_dddd_dddd_UC_33:
whismanoid 0:68e64068330f 1043 case CMD_r101_1100_xaaa_aaaa_dddd_dddd_UC_34:
whismanoid 0:68e64068330f 1044 case CMD_r101_1101_xaaa_aaaa_dddd_dddd_UC_35:
whismanoid 0:68e64068330f 1045 case CMD_r101_1110_xaaa_aaaa_dddd_dddd_UC_36:
whismanoid 0:68e64068330f 1046 case CMD_r101_1111_xaaa_aaaa_dddd_dddd_UC_37:
whismanoid 0:68e64068330f 1047 case CMD_r110_0000_xaaa_aaaa_dddd_dddd_UC_38:
whismanoid 0:68e64068330f 1048 case CMD_r110_0001_xaaa_aaaa_dddd_dddd_UC_39:
whismanoid 0:68e64068330f 1049 case CMD_r110_0010_xaaa_aaaa_dddd_dddd_UC_40:
whismanoid 0:68e64068330f 1050 case CMD_r110_0011_xaaa_aaaa_dddd_dddd_UC_41:
whismanoid 0:68e64068330f 1051 case CMD_r110_0100_xaaa_aaaa_dddd_dddd_UC_42:
whismanoid 0:68e64068330f 1052 case CMD_r110_0101_xaaa_aaaa_dddd_dddd_UC_43:
whismanoid 0:68e64068330f 1053 case CMD_r110_0110_xaaa_aaaa_dddd_dddd_UC_44:
whismanoid 0:68e64068330f 1054 case CMD_r110_0111_xaaa_aaaa_dddd_dddd_UC_45:
whismanoid 0:68e64068330f 1055 case CMD_r110_1000_xaaa_aaaa_dddd_dddd_UC_46:
whismanoid 0:68e64068330f 1056 case CMD_r110_1001_xaaa_aaaa_dddd_dddd_UC_47:
whismanoid 0:68e64068330f 1057 case CMD_r110_1010_xaaa_aaaa_dddd_dddd_UC_48:
whismanoid 0:68e64068330f 1058 case CMD_r110_1011_xaaa_aaaa_dddd_dddd_UC_49:
whismanoid 0:68e64068330f 1059 case CMD_r110_1100_xaaa_aaaa_dddd_dddd_UC_50:
whismanoid 0:68e64068330f 1060 case CMD_r110_1101_xaaa_aaaa_dddd_dddd_UC_51:
whismanoid 0:68e64068330f 1061 case CMD_r110_1110_xaaa_aaaa_dddd_dddd_UC_52:
whismanoid 0:68e64068330f 1062 case CMD_r110_1111_xxxx_xxxx_xaaa_aaaa_UCADDR:
whismanoid 0:68e64068330f 1063 return 16; // 16-bit register size
whismanoid 0:68e64068330f 1064 }
whismanoid 0:68e64068330f 1065 }
whismanoid 0:68e64068330f 1066
whismanoid 0:68e64068330f 1067 //----------------------------------------
whismanoid 11:abde565b8497 1068 // Decode operation from commandByte
whismanoid 11:abde565b8497 1069 //
whismanoid 11:abde565b8497 1070 // @return operation such as idle, read register, write register, etc.
whismanoid 11:abde565b8497 1071 MAX11410::MAX11410_CMDOP_enum_t MAX11410::DecodeCommand(MAX11410_CMD_enum_t commandByte)
whismanoid 11:abde565b8497 1072 {
whismanoid 11:abde565b8497 1073
whismanoid 11:abde565b8497 1074 //----------------------------------------
whismanoid 11:abde565b8497 1075 // decode operation from command byte
whismanoid 11:abde565b8497 1076 switch (commandByte & 0x80)
whismanoid 11:abde565b8497 1077 {
whismanoid 11:abde565b8497 1078 default:
whismanoid 11:abde565b8497 1079 case CMDOP_0aaa_aaaa_WriteRegister:
whismanoid 11:abde565b8497 1080 return CMDOP_0aaa_aaaa_WriteRegister;
whismanoid 11:abde565b8497 1081 case CMDOP_1aaa_aaaa_ReadRegister:
whismanoid 11:abde565b8497 1082 return CMDOP_1aaa_aaaa_ReadRegister;
whismanoid 11:abde565b8497 1083 }
whismanoid 11:abde565b8497 1084 }
whismanoid 11:abde565b8497 1085
whismanoid 11:abde565b8497 1086 //----------------------------------------
whismanoid 10:7adee48a7f82 1087 // Return the address field of a MAX11410 register
whismanoid 10:7adee48a7f82 1088 //
whismanoid 10:7adee48a7f82 1089 // @return register address field as given in datasheet
whismanoid 10:7adee48a7f82 1090 uint8_t MAX11410::RegAddrOfCommand(MAX11410_CMD_enum_t commandByte)
whismanoid 10:7adee48a7f82 1091 {
whismanoid 10:7adee48a7f82 1092
whismanoid 10:7adee48a7f82 1093 //----------------------------------------
whismanoid 10:7adee48a7f82 1094 // extract register address value from command byte
whismanoid 11:abde565b8497 1095 return (uint8_t)((commandByte &~ CMDOP_1aaa_aaaa_ReadRegister) & 0xFF);
whismanoid 10:7adee48a7f82 1096 }
whismanoid 10:7adee48a7f82 1097
whismanoid 10:7adee48a7f82 1098 //----------------------------------------
whismanoid 10:7adee48a7f82 1099 // Test whether a command byte is a register read command
whismanoid 10:7adee48a7f82 1100 //
whismanoid 10:7adee48a7f82 1101 // @return true if command byte is a register read command
whismanoid 10:7adee48a7f82 1102 uint8_t MAX11410::IsRegReadCommand(MAX11410_CMD_enum_t commandByte)
whismanoid 10:7adee48a7f82 1103 {
whismanoid 10:7adee48a7f82 1104
whismanoid 10:7adee48a7f82 1105 //----------------------------------------
whismanoid 10:7adee48a7f82 1106 // Test whether a command byte is a register read command
whismanoid 11:abde565b8497 1107 return (commandByte & CMDOP_1aaa_aaaa_ReadRegister) ? 1 : 0;
whismanoid 10:7adee48a7f82 1108 }
whismanoid 10:7adee48a7f82 1109
whismanoid 10:7adee48a7f82 1110 //----------------------------------------
whismanoid 0:68e64068330f 1111 // Return the name of a MAX11410 register
whismanoid 0:68e64068330f 1112 //
whismanoid 0:68e64068330f 1113 // @return null-terminated constant C string containing register name or empty string
whismanoid 10:7adee48a7f82 1114 const char* MAX11410::RegName(MAX11410_CMD_enum_t commandByte)
whismanoid 0:68e64068330f 1115 {
whismanoid 0:68e64068330f 1116
whismanoid 0:68e64068330f 1117 //----------------------------------------
whismanoid 0:68e64068330f 1118 // switch based on register address value regAddress
whismanoid 11:abde565b8497 1119 commandByte = (MAX11410_CMD_enum_t)((commandByte &~ CMDOP_1aaa_aaaa_ReadRegister) & 0xFF);
whismanoid 10:7adee48a7f82 1120 switch(commandByte)
whismanoid 0:68e64068330f 1121 {
whismanoid 0:68e64068330f 1122 default:
whismanoid 0:68e64068330f 1123 return ""; // undefined register
whismanoid 0:68e64068330f 1124 case CMD_r000_0000_xxxx_xxdd_PD: return "PD";
whismanoid 0:68e64068330f 1125 case CMD_r000_0001_xddd_xxdd_CONV_START: return "CONV_START";
whismanoid 0:68e64068330f 1126 case CMD_r000_0010_xddd_dddd_SEQ_START: return "SEQ_START";
whismanoid 0:68e64068330f 1127 case CMD_r000_0011_xxxx_xddd_CAL_START: return "CAL_START";
whismanoid 0:68e64068330f 1128 case CMD_r000_0100_dddd_xddd_GP0_CTRL: return "GP0_CTRL";
whismanoid 0:68e64068330f 1129 case CMD_r000_0101_dddd_xddd_GP1_CTRL: return "GP1_CTRL";
whismanoid 0:68e64068330f 1130 case CMD_r000_0110_xddd_xxdd_GP_CONV: return "GP_CONV";
whismanoid 0:68e64068330f 1131 case CMD_r000_0111_xddd_dddd_GP_SEQ_ADDR: return "GP_SEQ_ADDR";
whismanoid 0:68e64068330f 1132 case CMD_r000_1000_x0dd_dddd_FILTER: return "FILTER";
whismanoid 0:68e64068330f 1133 case CMD_r000_1001_dddd_dddd_CTRL: return "CTRL";
whismanoid 0:68e64068330f 1134 case CMD_r000_1010_dddd_dddd_SOURCE: return "SOURCE";
whismanoid 0:68e64068330f 1135 case CMD_r000_1011_dddd_dddd_MUX_CTRL0: return "MUX_CTRL0";
whismanoid 0:68e64068330f 1136 case CMD_r000_1100_dddd_dddd_MUX_CTRL1: return "MUX_CTRL1";
whismanoid 0:68e64068330f 1137 case CMD_r000_1101_dddd_dddd_MUX_CTRL2: return "MUX_CTRL2";
whismanoid 0:68e64068330f 1138 case CMD_r000_1110_xxdd_xddd_PGA: return "PGA";
whismanoid 0:68e64068330f 1139 case CMD_r000_1111_dddd_dddd_WAIT_EXT: return "WAIT_EXT";
whismanoid 0:68e64068330f 1140 case CMD_r001_0000_xxxx_xxxx_WAIT_START: return "WAIT_START";
whismanoid 0:68e64068330f 1141 case CMD_r001_0001_xxxx_xxxx_xxxx_xxxx_xxxx_xddd_PART_ID: return "PART_ID";
whismanoid 0:68e64068330f 1142 case CMD_r001_0010_xxxx_xxxx_dddd_xxdd_dddd_dddd_SYSC_SEL: return "SYSC_SEL";
whismanoid 0:68e64068330f 1143 case CMD_r001_0011_dddd_dddd_dddd_dddd_dddd_dddd_SYS_OFF_A: return "SYS_OFF_A";
whismanoid 0:68e64068330f 1144 case CMD_r001_0100_dddd_dddd_dddd_dddd_dddd_dddd_SYS_OFF_B: return "SYS_OFF_B";
whismanoid 0:68e64068330f 1145 case CMD_r001_0101_dddd_dddd_dddd_dddd_dddd_dddd_SYS_GAIN_A: return "SYS_GAIN_A";
whismanoid 0:68e64068330f 1146 case CMD_r001_0110_dddd_dddd_dddd_dddd_dddd_dddd_SYS_GAIN_B: return "SYS_GAIN_B";
whismanoid 0:68e64068330f 1147 case CMD_r001_0111_dddd_dddd_dddd_dddd_dddd_dddd_SELF_OFF: return "SELF_OFF";
whismanoid 0:68e64068330f 1148 case CMD_r001_1000_dddd_dddd_dddd_dddd_dddd_dddd_SELF_GAIN_1: return "SELF_GAIN_1";
whismanoid 0:68e64068330f 1149 case CMD_r001_1001_dddd_dddd_dddd_dddd_dddd_dddd_SELF_GAIN_2: return "SELF_GAIN_2";
whismanoid 0:68e64068330f 1150 case CMD_r001_1010_dddd_dddd_dddd_dddd_dddd_dddd_SELF_GAIN_4: return "SELF_GAIN_4";
whismanoid 0:68e64068330f 1151 case CMD_r001_1011_dddd_dddd_dddd_dddd_dddd_dddd_SELF_GAIN_8: return "SELF_GAIN_8";
whismanoid 0:68e64068330f 1152 case CMD_r001_1100_dddd_dddd_dddd_dddd_dddd_dddd_SELF_GAIN_16: return "SELF_GAIN_16";
whismanoid 0:68e64068330f 1153 case CMD_r001_1101_dddd_dddd_dddd_dddd_dddd_dddd_SELF_GAIN_32: return "SELF_GAIN_32";
whismanoid 0:68e64068330f 1154 case CMD_r001_1110_dddd_dddd_dddd_dddd_dddd_dddd_SELF_GAIN_64: return "SELF_GAIN_64";
whismanoid 0:68e64068330f 1155 case CMD_r001_1111_dddd_dddd_dddd_dddd_dddd_dddd_SELF_GAIN_128: return "SELF_GAIN_128";
whismanoid 0:68e64068330f 1156 case CMD_r010_0000_dddd_dddd_dddd_dddd_dddd_dddd_LTHRESH0: return "LTHRESH0";
whismanoid 0:68e64068330f 1157 case CMD_r010_0001_dddd_dddd_dddd_dddd_dddd_dddd_LTHRESH1: return "LTHRESH1";
whismanoid 0:68e64068330f 1158 case CMD_r010_0010_dddd_dddd_dddd_dddd_dddd_dddd_LTHRESH2: return "LTHRESH2";
whismanoid 0:68e64068330f 1159 case CMD_r010_0011_dddd_dddd_dddd_dddd_dddd_dddd_LTHRESH3: return "LTHRESH3";
whismanoid 0:68e64068330f 1160 case CMD_r010_0100_dddd_dddd_dddd_dddd_dddd_dddd_LTHRESH4: return "LTHRESH4";
whismanoid 0:68e64068330f 1161 case CMD_r010_0101_dddd_dddd_dddd_dddd_dddd_dddd_LTHRESH5: return "LTHRESH5";
whismanoid 0:68e64068330f 1162 case CMD_r010_0110_dddd_dddd_dddd_dddd_dddd_dddd_LTHRESH6: return "LTHRESH6";
whismanoid 0:68e64068330f 1163 case CMD_r010_0111_dddd_dddd_dddd_dddd_dddd_dddd_LTHRESH7: return "LTHRESH7";
whismanoid 0:68e64068330f 1164 case CMD_r010_1000_dddd_dddd_dddd_dddd_dddd_dddd_UTHRESH0: return "UTHRESH0";
whismanoid 0:68e64068330f 1165 case CMD_r010_1001_dddd_dddd_dddd_dddd_dddd_dddd_UTHRESH1: return "UTHRESH1";
whismanoid 0:68e64068330f 1166 case CMD_r010_1010_dddd_dddd_dddd_dddd_dddd_dddd_UTHRESH2: return "UTHRESH2";
whismanoid 0:68e64068330f 1167 case CMD_r010_1011_dddd_dddd_dddd_dddd_dddd_dddd_UTHRESH3: return "UTHRESH3";
whismanoid 0:68e64068330f 1168 case CMD_r010_1100_dddd_dddd_dddd_dddd_dddd_dddd_UTHRESH4: return "UTHRESH4";
whismanoid 0:68e64068330f 1169 case CMD_r010_1101_dddd_dddd_dddd_dddd_dddd_dddd_UTHRESH5: return "UTHRESH5";
whismanoid 0:68e64068330f 1170 case CMD_r010_1110_dddd_dddd_dddd_dddd_dddd_dddd_UTHRESH6: return "UTHRESH6";
whismanoid 0:68e64068330f 1171 case CMD_r010_1111_dddd_dddd_dddd_dddd_dddd_dddd_UTHRESH7: return "UTHRESH7";
whismanoid 0:68e64068330f 1172 case CMD_r011_0000_dddd_dddd_dddd_dddd_dddd_dddd_DATA0: return "DATA0";
whismanoid 0:68e64068330f 1173 case CMD_r011_0001_dddd_dddd_dddd_dddd_dddd_dddd_DATA1: return "DATA1";
whismanoid 0:68e64068330f 1174 case CMD_r011_0010_dddd_dddd_dddd_dddd_dddd_dddd_DATA2: return "DATA2";
whismanoid 0:68e64068330f 1175 case CMD_r011_0011_dddd_dddd_dddd_dddd_dddd_dddd_DATA3: return "DATA3";
whismanoid 0:68e64068330f 1176 case CMD_r011_0100_dddd_dddd_dddd_dddd_dddd_dddd_DATA4: return "DATA4";
whismanoid 0:68e64068330f 1177 case CMD_r011_0101_dddd_dddd_dddd_dddd_dddd_dddd_DATA5: return "DATA5";
whismanoid 0:68e64068330f 1178 case CMD_r011_0110_dddd_dddd_dddd_dddd_dddd_dddd_DATA6: return "DATA6";
whismanoid 0:68e64068330f 1179 case CMD_r011_0111_dddd_dddd_dddd_dddd_dddd_dddd_DATA7: return "DATA7";
whismanoid 0:68e64068330f 1180 case CMD_r011_1000_dddd_dddd_dddd_dddd_dxxx_dddd_STATUS: return "STATUS";
whismanoid 0:68e64068330f 1181 case CMD_r011_1001_dddd_dddd_dddd_dddd_dxxd_dddd_STATUS_IE: return "STATUS_IE";
whismanoid 0:68e64068330f 1182 case CMD_r011_1010_xaaa_aaaa_dddd_dddd_UC_0: return "UC_0";
whismanoid 0:68e64068330f 1183 case CMD_r011_1011_xaaa_aaaa_dddd_dddd_UC_1: return "UC_1";
whismanoid 0:68e64068330f 1184 case CMD_r011_1100_xaaa_aaaa_dddd_dddd_UC_2: return "UC_2";
whismanoid 0:68e64068330f 1185 case CMD_r011_1101_xaaa_aaaa_dddd_dddd_UC_3: return "UC_3";
whismanoid 0:68e64068330f 1186 case CMD_r011_1110_xaaa_aaaa_dddd_dddd_UC_4: return "UC_4";
whismanoid 0:68e64068330f 1187 case CMD_r011_1111_xaaa_aaaa_dddd_dddd_UC_5: return "UC_5";
whismanoid 0:68e64068330f 1188 case CMD_r100_0000_xaaa_aaaa_dddd_dddd_UC_6: return "UC_6";
whismanoid 0:68e64068330f 1189 case CMD_r100_0001_xaaa_aaaa_dddd_dddd_UC_7: return "UC_7";
whismanoid 0:68e64068330f 1190 case CMD_r100_0010_xaaa_aaaa_dddd_dddd_UC_8: return "UC_8";
whismanoid 0:68e64068330f 1191 case CMD_r100_0011_xaaa_aaaa_dddd_dddd_UC_9: return "UC_9";
whismanoid 0:68e64068330f 1192 case CMD_r100_0100_xaaa_aaaa_dddd_dddd_UC_10: return "UC_10";
whismanoid 0:68e64068330f 1193 case CMD_r100_0101_xaaa_aaaa_dddd_dddd_UC_11: return "UC_11";
whismanoid 0:68e64068330f 1194 case CMD_r100_0110_xaaa_aaaa_dddd_dddd_UC_12: return "UC_12";
whismanoid 0:68e64068330f 1195 case CMD_r100_0111_xaaa_aaaa_dddd_dddd_UC_13: return "UC_13";
whismanoid 0:68e64068330f 1196 case CMD_r100_1000_xaaa_aaaa_dddd_dddd_UC_14: return "UC_14";
whismanoid 0:68e64068330f 1197 case CMD_r100_1001_xaaa_aaaa_dddd_dddd_UC_15: return "UC_15";
whismanoid 0:68e64068330f 1198 case CMD_r100_1010_xaaa_aaaa_dddd_dddd_UC_16: return "UC_16";
whismanoid 0:68e64068330f 1199 case CMD_r100_1011_xaaa_aaaa_dddd_dddd_UC_17: return "UC_17";
whismanoid 0:68e64068330f 1200 case CMD_r100_1100_xaaa_aaaa_dddd_dddd_UC_18: return "UC_18";
whismanoid 0:68e64068330f 1201 case CMD_r100_1101_xaaa_aaaa_dddd_dddd_UC_19: return "UC_19";
whismanoid 0:68e64068330f 1202 case CMD_r100_1110_xaaa_aaaa_dddd_dddd_UC_20: return "UC_20";
whismanoid 0:68e64068330f 1203 case CMD_r100_1111_xaaa_aaaa_dddd_dddd_UC_21: return "UC_21";
whismanoid 0:68e64068330f 1204 case CMD_r101_0000_xaaa_aaaa_dddd_dddd_UC_22: return "UC_22";
whismanoid 0:68e64068330f 1205 case CMD_r101_0001_xaaa_aaaa_dddd_dddd_UC_23: return "UC_23";
whismanoid 0:68e64068330f 1206 case CMD_r101_0010_xaaa_aaaa_dddd_dddd_UC_24: return "UC_24";
whismanoid 0:68e64068330f 1207 case CMD_r101_0011_xaaa_aaaa_dddd_dddd_UC_25: return "UC_25";
whismanoid 0:68e64068330f 1208 case CMD_r101_0100_xaaa_aaaa_dddd_dddd_UC_26: return "UC_26";
whismanoid 0:68e64068330f 1209 case CMD_r101_0101_xaaa_aaaa_dddd_dddd_UC_27: return "UC_27";
whismanoid 0:68e64068330f 1210 case CMD_r101_0110_xaaa_aaaa_dddd_dddd_UC_28: return "UC_28";
whismanoid 0:68e64068330f 1211 case CMD_r101_0111_xaaa_aaaa_dddd_dddd_UC_29: return "UC_29";
whismanoid 0:68e64068330f 1212 case CMD_r101_1000_xaaa_aaaa_dddd_dddd_UC_30: return "UC_30";
whismanoid 0:68e64068330f 1213 case CMD_r101_1001_xaaa_aaaa_dddd_dddd_UC_31: return "UC_31";
whismanoid 0:68e64068330f 1214 case CMD_r101_1010_xaaa_aaaa_dddd_dddd_UC_32: return "UC_32";
whismanoid 0:68e64068330f 1215 case CMD_r101_1011_xaaa_aaaa_dddd_dddd_UC_33: return "UC_33";
whismanoid 0:68e64068330f 1216 case CMD_r101_1100_xaaa_aaaa_dddd_dddd_UC_34: return "UC_34";
whismanoid 0:68e64068330f 1217 case CMD_r101_1101_xaaa_aaaa_dddd_dddd_UC_35: return "UC_35";
whismanoid 0:68e64068330f 1218 case CMD_r101_1110_xaaa_aaaa_dddd_dddd_UC_36: return "UC_36";
whismanoid 0:68e64068330f 1219 case CMD_r101_1111_xaaa_aaaa_dddd_dddd_UC_37: return "UC_37";
whismanoid 0:68e64068330f 1220 case CMD_r110_0000_xaaa_aaaa_dddd_dddd_UC_38: return "UC_38";
whismanoid 0:68e64068330f 1221 case CMD_r110_0001_xaaa_aaaa_dddd_dddd_UC_39: return "UC_39";
whismanoid 0:68e64068330f 1222 case CMD_r110_0010_xaaa_aaaa_dddd_dddd_UC_40: return "UC_40";
whismanoid 0:68e64068330f 1223 case CMD_r110_0011_xaaa_aaaa_dddd_dddd_UC_41: return "UC_41";
whismanoid 0:68e64068330f 1224 case CMD_r110_0100_xaaa_aaaa_dddd_dddd_UC_42: return "UC_42";
whismanoid 0:68e64068330f 1225 case CMD_r110_0101_xaaa_aaaa_dddd_dddd_UC_43: return "UC_43";
whismanoid 0:68e64068330f 1226 case CMD_r110_0110_xaaa_aaaa_dddd_dddd_UC_44: return "UC_44";
whismanoid 0:68e64068330f 1227 case CMD_r110_0111_xaaa_aaaa_dddd_dddd_UC_45: return "UC_45";
whismanoid 0:68e64068330f 1228 case CMD_r110_1000_xaaa_aaaa_dddd_dddd_UC_46: return "UC_46";
whismanoid 0:68e64068330f 1229 case CMD_r110_1001_xaaa_aaaa_dddd_dddd_UC_47: return "UC_47";
whismanoid 0:68e64068330f 1230 case CMD_r110_1010_xaaa_aaaa_dddd_dddd_UC_48: return "UC_48";
whismanoid 0:68e64068330f 1231 case CMD_r110_1011_xaaa_aaaa_dddd_dddd_UC_49: return "UC_49";
whismanoid 0:68e64068330f 1232 case CMD_r110_1100_xaaa_aaaa_dddd_dddd_UC_50: return "UC_50";
whismanoid 0:68e64068330f 1233 case CMD_r110_1101_xaaa_aaaa_dddd_dddd_UC_51: return "UC_51";
whismanoid 0:68e64068330f 1234 case CMD_r110_1110_xaaa_aaaa_dddd_dddd_UC_52: return "UC_52";
whismanoid 0:68e64068330f 1235 case CMD_r110_1111_xxxx_xxxx_xaaa_aaaa_UCADDR: return "UCADDR";
whismanoid 0:68e64068330f 1236 }
whismanoid 0:68e64068330f 1237 }
whismanoid 0:68e64068330f 1238
whismanoid 0:68e64068330f 1239 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1240 // Menu item 'XF'
whismanoid 1:d57c1a2cb83c 1241 //
whismanoid 1:d57c1a2cb83c 1242 // FILTER Select Filter and Rate.
whismanoid 1:d57c1a2cb83c 1243 // Sets conversion rate based on RATE, LINEF, and CONV_TYPE value. See Table 9a through Table 9d for details.
whismanoid 1:d57c1a2cb83c 1244 // For CONV_TYPE_01_Continuous, linef=LINEF_11_SINC4, rate=RATE_0100 selects output data rate 60SPS.
whismanoid 1:d57c1a2cb83c 1245 //
whismanoid 1:d57c1a2cb83c 1246 // @param[in] linef = filter type, default=MAX11410::LINEF_enum_t::LINEF_11_SINC4
whismanoid 1:d57c1a2cb83c 1247 // @param[in] rate = output data rate selection, default=MAX11410::RATE_enum_t::RATE_0100
whismanoid 1:d57c1a2cb83c 1248 //
whismanoid 1:d57c1a2cb83c 1249 // @return 1 on success; 0 on failure
whismanoid 1:d57c1a2cb83c 1250 uint8_t MAX11410::Configure_FILTER(uint8_t linef, uint8_t rate)
whismanoid 1:d57c1a2cb83c 1251 {
whismanoid 1:d57c1a2cb83c 1252
whismanoid 1:d57c1a2cb83c 1253 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1254 // write8 0x08 FILTER
whismanoid 1:d57c1a2cb83c 1255 RegWrite(CMD_r000_1000_x0dd_dddd_FILTER, (uint8_t)(0
whismanoid 1:d57c1a2cb83c 1256 | (((uint8_t)linef & 3) << 4)
whismanoid 1:d57c1a2cb83c 1257 | (((uint8_t)rate & 15) << 0)
whismanoid 1:d57c1a2cb83c 1258 ));
whismanoid 1:d57c1a2cb83c 1259
whismanoid 1:d57c1a2cb83c 1260 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1261 // success
whismanoid 1:d57c1a2cb83c 1262 return 1;
whismanoid 1:d57c1a2cb83c 1263 }
whismanoid 1:d57c1a2cb83c 1264
whismanoid 1:d57c1a2cb83c 1265 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1266 // Menu item 'XP'
whismanoid 1:d57c1a2cb83c 1267 //
whismanoid 1:d57c1a2cb83c 1268 // PGA Select Gain and Signal Path.
whismanoid 1:d57c1a2cb83c 1269 //
whismanoid 1:d57c1a2cb83c 1270 // @param[in] sigpath = signal path, default=MAX11410::SIG_PATH_enum_t::SIG_PATH_00_BUFFERED
whismanoid 1:d57c1a2cb83c 1271 // @param[in] gain = gain selection, default=MAX11410::GAIN_enum_t::GAIN_000_1
whismanoid 1:d57c1a2cb83c 1272 //
whismanoid 1:d57c1a2cb83c 1273 // @return 1 on success; 0 on failure
whismanoid 1:d57c1a2cb83c 1274 uint8_t MAX11410::Configure_PGA(uint8_t sigpath, uint8_t gain)
whismanoid 1:d57c1a2cb83c 1275 {
whismanoid 1:d57c1a2cb83c 1276
whismanoid 1:d57c1a2cb83c 1277 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1278 // 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 1279 static uint8_t pgaGainTable[8] = {1, 2, 4, 8, 16, 32, 64, 128};
whismanoid 1:d57c1a2cb83c 1280 pgaGain = (sigpath == SIG_PATH_10_PGA) ? pgaGainTable[(uint8_t)gain] : 1;
whismanoid 1:d57c1a2cb83c 1281
whismanoid 1:d57c1a2cb83c 1282 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1283 // write8 0x0E PGA
whismanoid 1:d57c1a2cb83c 1284 RegWrite(CMD_r000_1110_xxdd_xddd_PGA, (uint8_t)(0
whismanoid 1:d57c1a2cb83c 1285 | (((uint8_t)sigpath & 2) << 4)
whismanoid 1:d57c1a2cb83c 1286 | (((uint8_t)gain & 7) << 0)
whismanoid 1:d57c1a2cb83c 1287 ));
whismanoid 1:d57c1a2cb83c 1288
whismanoid 1:d57c1a2cb83c 1289 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1290 // success
whismanoid 1:d57c1a2cb83c 1291 return 1;
whismanoid 1:d57c1a2cb83c 1292 }
whismanoid 1:d57c1a2cb83c 1293
whismanoid 1:d57c1a2cb83c 1294 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1295 // Menu item 'XC'
whismanoid 1:d57c1a2cb83c 1296 //
whismanoid 1:d57c1a2cb83c 1297 // CTRL Select clock, format, and reference.
whismanoid 1:d57c1a2cb83c 1298 //
whismanoid 1:d57c1a2cb83c 1299 // @param[in] extclk = external clock enable, default=0
whismanoid 1:d57c1a2cb83c 1300 // @param[in] u_bn = unipolar input range enable, default=0
whismanoid 1:d57c1a2cb83c 1301 // @param[in] format = offset binary format enable, default=0
whismanoid 1:d57c1a2cb83c 1302 // @param[in] refbufp_en = REFP reference buffer enable, default=0
whismanoid 1:d57c1a2cb83c 1303 // @param[in] refbufn_en = REFN reference buffer enable, default=0
whismanoid 1:d57c1a2cb83c 1304 // @param[in] ref_sel = reference selection, default=MAX11410::REF_SEL_enum_t::REF_SEL_001_REF1P_REF1N
whismanoid 1:d57c1a2cb83c 1305 //
whismanoid 1:d57c1a2cb83c 1306 // @return 1 on success; 0 on failure
whismanoid 1:d57c1a2cb83c 1307 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 1308 {
whismanoid 1:d57c1a2cb83c 1309
whismanoid 1:d57c1a2cb83c 1310 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1311 // shadow of register CMD_r000_1001_dddd_dddd_CTRL
whismanoid 1:d57c1a2cb83c 1312 ctrl = (uint8_t)(0
whismanoid 1:d57c1a2cb83c 1313 | (((uint8_t)extclk & 1) << 7)
whismanoid 1:d57c1a2cb83c 1314 | (((uint8_t)u_bn & 1) << 6)
whismanoid 1:d57c1a2cb83c 1315 | (((uint8_t)format & 1) << 5)
whismanoid 1:d57c1a2cb83c 1316 | (((uint8_t)refbufp_en & 1) << 4)
whismanoid 1:d57c1a2cb83c 1317 | (((uint8_t)refbufn_en & 1) << 3)
whismanoid 1:d57c1a2cb83c 1318 | (((uint8_t)ref_sel & 7) << 0)
whismanoid 1:d57c1a2cb83c 1319 );
whismanoid 1:d57c1a2cb83c 1320
whismanoid 1:d57c1a2cb83c 1321 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1322 // write8 0x09 CTRL
whismanoid 1:d57c1a2cb83c 1323 RegWrite(CMD_r000_1001_dddd_dddd_CTRL, ctrl);
whismanoid 1:d57c1a2cb83c 1324
whismanoid 1:d57c1a2cb83c 1325 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1326 // success
whismanoid 1:d57c1a2cb83c 1327 return 1;
whismanoid 1:d57c1a2cb83c 1328 }
whismanoid 1:d57c1a2cb83c 1329
whismanoid 1:d57c1a2cb83c 1330 //----------------------------------------
whismanoid 14:b49eecf7e4d8 1331 // Menu item 'XR'
whismanoid 14:b49eecf7e4d8 1332 //
whismanoid 14:b49eecf7e4d8 1333 // CTRL select reference, without changing the other fields.
whismanoid 14:b49eecf7e4d8 1334 //
whismanoid 14:b49eecf7e4d8 1335 // @pre ctrl = shadow of CTRL register
whismanoid 14:b49eecf7e4d8 1336 // @param[in] ref_sel = reference selection, default=MAX11410::REF_SEL_enum_t::REF_SEL_001_REF1P_REF1N
whismanoid 14:b49eecf7e4d8 1337 //
whismanoid 14:b49eecf7e4d8 1338 // @return 1 on success; 0 on failure
whismanoid 14:b49eecf7e4d8 1339 uint8_t MAX11410::Configure_CTRL_REF(uint8_t ref_sel)
whismanoid 14:b49eecf7e4d8 1340 {
whismanoid 14:b49eecf7e4d8 1341
whismanoid 14:b49eecf7e4d8 1342 //----------------------------------------
whismanoid 14:b49eecf7e4d8 1343 // shadow of register CMD_r000_1001_dddd_dddd_CTRL
whismanoid 14:b49eecf7e4d8 1344 ctrl = (ctrl & ((~ 7) << 0))
whismanoid 14:b49eecf7e4d8 1345 | (((uint8_t)ref_sel & 7) << 0);
whismanoid 14:b49eecf7e4d8 1346
whismanoid 14:b49eecf7e4d8 1347 //----------------------------------------
whismanoid 14:b49eecf7e4d8 1348 // write8 0x09 CTRL
whismanoid 14:b49eecf7e4d8 1349 RegWrite(CMD_r000_1001_dddd_dddd_CTRL, ctrl);
whismanoid 14:b49eecf7e4d8 1350
whismanoid 14:b49eecf7e4d8 1351 //----------------------------------------
whismanoid 14:b49eecf7e4d8 1352 // success
whismanoid 14:b49eecf7e4d8 1353 return 1;
whismanoid 14:b49eecf7e4d8 1354 }
whismanoid 14:b49eecf7e4d8 1355
whismanoid 14:b49eecf7e4d8 1356 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1357 // Menu item 'XS'
whismanoid 1:d57c1a2cb83c 1358 //
whismanoid 1:d57c1a2cb83c 1359 // SOURCE Configure voltage bias source, current source, burnout mode
whismanoid 1:d57c1a2cb83c 1360 //
whismanoid 1:d57c1a2cb83c 1361 // @param[in] vbias_mode = _______, default=MAX11410::VBIAS_MODE_enum_t::VBIAS_MODE_00_Active
whismanoid 1:d57c1a2cb83c 1362 // @param[in] brn_mode = _______, default=MAX11410::BRN_MODE_enum_t::BRN_MODE_00_disabled
whismanoid 1:d57c1a2cb83c 1363 // @param[in] idac_mode = _______, default=MAX11410::IDAC_MODE_enum_t::IDAC_MODE_0000_10uA
whismanoid 1:d57c1a2cb83c 1364 //
whismanoid 1:d57c1a2cb83c 1365 // @return 1 on success; 0 on failure
whismanoid 1:d57c1a2cb83c 1366 uint8_t MAX11410::Configure_SOURCE(uint8_t vbias_mode, uint8_t brn_mode, uint8_t idac_mode)
whismanoid 1:d57c1a2cb83c 1367 {
whismanoid 1:d57c1a2cb83c 1368
whismanoid 1:d57c1a2cb83c 1369 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1370 // warning -- WIP work in progress
whismanoid 1:d57c1a2cb83c 1371 #warning "Not Tested Yet: MAX11410::Configure_SOURCE..."
whismanoid 1:d57c1a2cb83c 1372
whismanoid 1:d57c1a2cb83c 1373 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1374 // write8 0x0A SOURCE
whismanoid 1:d57c1a2cb83c 1375 RegWrite(CMD_r000_1010_dddd_dddd_SOURCE, (uint8_t)(0
whismanoid 1:d57c1a2cb83c 1376 | (((uint8_t)vbias_mode & 3) << 6)
whismanoid 1:d57c1a2cb83c 1377 | (((uint8_t)brn_mode & 3) << 4)
whismanoid 1:d57c1a2cb83c 1378 | (((uint8_t)idac_mode & 15) << 0)
whismanoid 1:d57c1a2cb83c 1379 ));
whismanoid 1:d57c1a2cb83c 1380
whismanoid 1:d57c1a2cb83c 1381 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1382 // success
whismanoid 1:d57c1a2cb83c 1383 return 1;
whismanoid 1:d57c1a2cb83c 1384 }
whismanoid 1:d57c1a2cb83c 1385
whismanoid 1:d57c1a2cb83c 1386 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1387 // Menu item 'XM'
whismanoid 1:d57c1a2cb83c 1388 //
whismanoid 1:d57c1a2cb83c 1389 // MUX_CTRL0 Select pins for analog input AINP and AINN
whismanoid 1:d57c1a2cb83c 1390 //
whismanoid 1:d57c1a2cb83c 1391 // @param[in] ainp = channel high side, default=MAX11410::AINP_SEL_enum_t::AINP_SEL_0000_AIN0
whismanoid 1:d57c1a2cb83c 1392 // @param[in] ainn = channel low side, default=MAX11410::AINN_SEL_enum_t::AINN_SEL_1010_GND
whismanoid 1:d57c1a2cb83c 1393 //
whismanoid 1:d57c1a2cb83c 1394 // @return 1 on success; 0 on failure
whismanoid 1:d57c1a2cb83c 1395 uint8_t MAX11410::Configure_MUX_CTRL0(uint8_t ainp, uint8_t ainn)
whismanoid 1:d57c1a2cb83c 1396 {
whismanoid 1:d57c1a2cb83c 1397
whismanoid 1:d57c1a2cb83c 1398 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1399 // warning -- WIP work in progress
whismanoid 1:d57c1a2cb83c 1400 #warning "Not Tested Yet: MAX11410::Configure_MUX_CTRL0..."
whismanoid 1:d57c1a2cb83c 1401
whismanoid 1:d57c1a2cb83c 1402 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1403 // write8 0x0B MUX_CTRL0
whismanoid 1:d57c1a2cb83c 1404 RegWrite(CMD_r000_1011_dddd_dddd_MUX_CTRL0, (uint8_t)(0
whismanoid 1:d57c1a2cb83c 1405 | (((uint8_t)ainp & 15) << 4)
whismanoid 1:d57c1a2cb83c 1406 | (((uint8_t)ainn & 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 'XI'
whismanoid 1:d57c1a2cb83c 1416 //
whismanoid 1:d57c1a2cb83c 1417 // MUX_CTRL1 Select pins for current source
whismanoid 1:d57c1a2cb83c 1418 //
whismanoid 1:d57c1a2cb83c 1419 // @param[in] idac1_sel = channel high side, default=MAX11410::IDAC1_SEL_enum_t::IDAC1_SEL_1111_unconnected
whismanoid 1:d57c1a2cb83c 1420 // @param[in] idac0_sel = channel low side, default=MAX11410::IDAC0_SEL_enum_t::IDAC0_SEL_1111_unconnected
whismanoid 1:d57c1a2cb83c 1421 //
whismanoid 1:d57c1a2cb83c 1422 // @return 1 on success; 0 on failure
whismanoid 1:d57c1a2cb83c 1423 uint8_t MAX11410::Configure_MUX_CTRL1(uint8_t idac1_sel, uint8_t idac0_sel)
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_CTRL1..."
whismanoid 1:d57c1a2cb83c 1429
whismanoid 1:d57c1a2cb83c 1430 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1431 // write8 0x0C MUX_CTRL1
whismanoid 1:d57c1a2cb83c 1432 RegWrite(CMD_r000_1100_dddd_dddd_MUX_CTRL1, (uint8_t)(0
whismanoid 1:d57c1a2cb83c 1433 | (((uint8_t)idac1_sel & 15) << 4)
whismanoid 1:d57c1a2cb83c 1434 | (((uint8_t)idac0_sel & 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 'XV'
whismanoid 1:d57c1a2cb83c 1444 //
whismanoid 1:d57c1a2cb83c 1445 // MUX_CTRL2 Select pins for voltage bias source
whismanoid 1:d57c1a2cb83c 1446 //
whismanoid 1:d57c1a2cb83c 1447 // @param[in] vbias_ain7_ain0_bitmap = bit map of AIN7..AIN0 enables for voltage bias, default=0
whismanoid 1:d57c1a2cb83c 1448 //
whismanoid 1:d57c1a2cb83c 1449 // @return 1 on success; 0 on failure
whismanoid 1:d57c1a2cb83c 1450 uint8_t MAX11410::Configure_MUX_CTRL2(uint8_t vbias_ain7_ain0_bitmap)
whismanoid 1:d57c1a2cb83c 1451 {
whismanoid 1:d57c1a2cb83c 1452
whismanoid 1:d57c1a2cb83c 1453 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1454 // warning -- WIP work in progress
whismanoid 1:d57c1a2cb83c 1455 #warning "Not Tested Yet: MAX11410::Configure_MUX_CTRL2..."
whismanoid 1:d57c1a2cb83c 1456
whismanoid 1:d57c1a2cb83c 1457 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1458 // write8 0x0D MUX_CTRL2
whismanoid 1:d57c1a2cb83c 1459 RegWrite(CMD_r000_1101_dddd_dddd_MUX_CTRL2, vbias_ain7_ain0_bitmap);
whismanoid 1:d57c1a2cb83c 1460
whismanoid 1:d57c1a2cb83c 1461 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1462 // success
whismanoid 1:d57c1a2cb83c 1463 return 1;
whismanoid 1:d57c1a2cb83c 1464 }
whismanoid 1:d57c1a2cb83c 1465
whismanoid 1:d57c1a2cb83c 1466 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1467 // Menu item 'X0'
whismanoid 1:d57c1a2cb83c 1468 //
whismanoid 1:d57c1a2cb83c 1469 // CAL_START Calibrate Self Offset and Gain.
whismanoid 1:d57c1a2cb83c 1470 //
whismanoid 1:d57c1a2cb83c 1471 // @return 1 on success; 0 on failure
whismanoid 1:d57c1a2cb83c 1472 uint8_t MAX11410::Calibrate_Self_Offset_Gain(void)
whismanoid 1:d57c1a2cb83c 1473 {
whismanoid 1:d57c1a2cb83c 1474
whismanoid 1:d57c1a2cb83c 1475 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1476 // warning -- WIP work in progress
whismanoid 1:d57c1a2cb83c 1477 #warning "Not Tested Yet: MAX11410::Calibrate_Self_Offset_Gain..."
whismanoid 1:d57c1a2cb83c 1478
whismanoid 1:d57c1a2cb83c 1479 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1480 // write8 0x03 CAL_START
whismanoid 1:d57c1a2cb83c 1481 RegWrite(CMD_r000_0011_xxxx_xddd_CAL_START, (uint8_t)CAL_TYPE_000_SELF_CAL);
whismanoid 1:d57c1a2cb83c 1482
whismanoid 1:d57c1a2cb83c 1483 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1484 // success
whismanoid 1:d57c1a2cb83c 1485 return 1;
whismanoid 1:d57c1a2cb83c 1486 }
whismanoid 1:d57c1a2cb83c 1487
whismanoid 1:d57c1a2cb83c 1488 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1489 // Menu item 'X1'
whismanoid 1:d57c1a2cb83c 1490 //
whismanoid 1:d57c1a2cb83c 1491 // CAL_START Calibrate Selected PGA.
whismanoid 1:d57c1a2cb83c 1492 //
whismanoid 1:d57c1a2cb83c 1493 // @return 1 on success; 0 on failure
whismanoid 1:d57c1a2cb83c 1494 uint8_t MAX11410::Calibrate_PGA_Gain(void)
whismanoid 1:d57c1a2cb83c 1495 {
whismanoid 1:d57c1a2cb83c 1496
whismanoid 1:d57c1a2cb83c 1497 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1498 // warning -- WIP work in progress
whismanoid 1:d57c1a2cb83c 1499 #warning "Not Tested Yet: MAX11410::Calibrate_PGA_Gain..."
whismanoid 1:d57c1a2cb83c 1500
whismanoid 1:d57c1a2cb83c 1501 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1502 // write8 0x03 CAL_START
whismanoid 1:d57c1a2cb83c 1503 RegWrite(CMD_r000_0011_xxxx_xddd_CAL_START, (uint8_t)CAL_TYPE_001_PGA_GAIN);
whismanoid 1:d57c1a2cb83c 1504
whismanoid 1:d57c1a2cb83c 1505 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1506 // success
whismanoid 1:d57c1a2cb83c 1507 return 1;
whismanoid 1:d57c1a2cb83c 1508 }
whismanoid 1:d57c1a2cb83c 1509
whismanoid 1:d57c1a2cb83c 1510 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1511 // Menu item 'X4'
whismanoid 1:d57c1a2cb83c 1512 //
whismanoid 1:d57c1a2cb83c 1513 // CAL_START Calibrate System Offset A.
whismanoid 1:d57c1a2cb83c 1514 //
whismanoid 1:d57c1a2cb83c 1515 // @return 1 on success; 0 on failure
whismanoid 1:d57c1a2cb83c 1516 uint8_t MAX11410::Calibrate_System_Offset_A(void)
whismanoid 1:d57c1a2cb83c 1517 {
whismanoid 1:d57c1a2cb83c 1518
whismanoid 1:d57c1a2cb83c 1519 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1520 // warning -- WIP work in progress
whismanoid 1:d57c1a2cb83c 1521 #warning "Not Tested Yet: MAX11410::Calibrate_System_Offset_A..."
whismanoid 1:d57c1a2cb83c 1522
whismanoid 1:d57c1a2cb83c 1523 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1524 // write8 0x03 CAL_START
whismanoid 1:d57c1a2cb83c 1525 RegWrite(CMD_r000_0011_xxxx_xddd_CAL_START, (uint8_t)CAL_TYPE_100_SYS_OFF_A);
whismanoid 1:d57c1a2cb83c 1526
whismanoid 1:d57c1a2cb83c 1527 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1528 // success
whismanoid 1:d57c1a2cb83c 1529 return 1;
whismanoid 1:d57c1a2cb83c 1530 }
whismanoid 1:d57c1a2cb83c 1531
whismanoid 1:d57c1a2cb83c 1532 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1533 // Menu item 'X5'
whismanoid 1:d57c1a2cb83c 1534 //
whismanoid 1:d57c1a2cb83c 1535 // X6 0x03 CAL_START 0x06 Calibrate System Offset B
whismanoid 1:d57c1a2cb83c 1536 // X7 0x03 CAL_START 0x07 Calibrate System Gain B
whismanoid 1:d57c1a2cb83c 1537 // CAL_START Calibrate System Gain A.
whismanoid 1:d57c1a2cb83c 1538 //
whismanoid 1:d57c1a2cb83c 1539 // @return 1 on success; 0 on failure
whismanoid 1:d57c1a2cb83c 1540 uint8_t MAX11410::Calibrate_System_Gain_A(void)
whismanoid 1:d57c1a2cb83c 1541 {
whismanoid 1:d57c1a2cb83c 1542
whismanoid 1:d57c1a2cb83c 1543 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1544 // warning -- WIP work in progress
whismanoid 1:d57c1a2cb83c 1545 #warning "Not Tested Yet: MAX11410::Calibrate_System_Gain_A..."
whismanoid 1:d57c1a2cb83c 1546
whismanoid 1:d57c1a2cb83c 1547 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1548 // write8 0x03 CAL_START
whismanoid 1:d57c1a2cb83c 1549 RegWrite(CMD_r000_0011_xxxx_xddd_CAL_START, (uint8_t)CAL_TYPE_101_SYS_GAIN_A);
whismanoid 1:d57c1a2cb83c 1550
whismanoid 1:d57c1a2cb83c 1551 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1552 // success
whismanoid 1:d57c1a2cb83c 1553 return 1;
whismanoid 1:d57c1a2cb83c 1554 }
whismanoid 1:d57c1a2cb83c 1555
whismanoid 1:d57c1a2cb83c 1556 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1557 // Menu item 'X6'
whismanoid 1:d57c1a2cb83c 1558 //
whismanoid 1:d57c1a2cb83c 1559 // CAL_START Calibrate System Offset B.
whismanoid 1:d57c1a2cb83c 1560 //
whismanoid 1:d57c1a2cb83c 1561 // @return 1 on success; 0 on failure
whismanoid 1:d57c1a2cb83c 1562 uint8_t MAX11410::Calibrate_System_Offset_B(void)
whismanoid 1:d57c1a2cb83c 1563 {
whismanoid 1:d57c1a2cb83c 1564
whismanoid 1:d57c1a2cb83c 1565 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1566 // warning -- WIP work in progress
whismanoid 1:d57c1a2cb83c 1567 #warning "Not Tested Yet: MAX11410::Calibrate_System_Offset_B..."
whismanoid 1:d57c1a2cb83c 1568
whismanoid 1:d57c1a2cb83c 1569 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1570 // write8 0x03 CAL_START
whismanoid 1:d57c1a2cb83c 1571 RegWrite(CMD_r000_0011_xxxx_xddd_CAL_START, (uint8_t)CAL_TYPE_110_SYS_OFF_B);
whismanoid 1:d57c1a2cb83c 1572
whismanoid 1:d57c1a2cb83c 1573 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1574 // success
whismanoid 1:d57c1a2cb83c 1575 return 1;
whismanoid 1:d57c1a2cb83c 1576 }
whismanoid 1:d57c1a2cb83c 1577
whismanoid 1:d57c1a2cb83c 1578 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1579 // Menu item 'X7'
whismanoid 1:d57c1a2cb83c 1580 //
whismanoid 1:d57c1a2cb83c 1581 // CAL_START Calibrate System Gain B.
whismanoid 1:d57c1a2cb83c 1582 //
whismanoid 1:d57c1a2cb83c 1583 // @return 1 on success; 0 on failure
whismanoid 1:d57c1a2cb83c 1584 uint8_t MAX11410::Calibrate_System_Gain_B(void)
whismanoid 1:d57c1a2cb83c 1585 {
whismanoid 1:d57c1a2cb83c 1586
whismanoid 1:d57c1a2cb83c 1587 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1588 // warning -- WIP work in progress
whismanoid 1:d57c1a2cb83c 1589 #warning "Not Tested Yet: MAX11410::Calibrate_System_Gain_B..."
whismanoid 1:d57c1a2cb83c 1590
whismanoid 1:d57c1a2cb83c 1591 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1592 // write8 0x03 CAL_START
whismanoid 1:d57c1a2cb83c 1593 RegWrite(CMD_r000_0011_xxxx_xddd_CAL_START, (uint8_t)CAL_TYPE_111_SYS_GAIN_B);
whismanoid 1:d57c1a2cb83c 1594
whismanoid 1:d57c1a2cb83c 1595 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1596 // success
whismanoid 1:d57c1a2cb83c 1597 return 1;
whismanoid 1:d57c1a2cb83c 1598 }
whismanoid 1:d57c1a2cb83c 1599
whismanoid 1:d57c1a2cb83c 1600 //----------------------------------------
whismanoid 0:68e64068330f 1601 // Configure Measurement for voltage input.
whismanoid 0:68e64068330f 1602 //
whismanoid 0:68e64068330f 1603 // Example code for typical voltage measurement.
whismanoid 0:68e64068330f 1604 //
whismanoid 0:68e64068330f 1605 // SPI register write sequence test AIN0-AGND voltage input using REF2=2.5V
whismanoid 0:68e64068330f 1606 // write8 0x00 PD = 0x03 (Reset Registers; enter Standby mode)
whismanoid 0:68e64068330f 1607 // write8 0x00 PD = 0x00 (NOP)
whismanoid 0:68e64068330f 1608 // write8 0x08 FILTER = 0x34 to select RATE_0100, LINEF_11_SINC4 60SPS (given CONV_TYPE_01_Continuous )
whismanoid 0:68e64068330f 1609 // write8 0x0B MUX_CTRL0 = 0x0A to select AINP=AIN0 and AINN=GND
whismanoid 0:68e64068330f 1610 // 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 1611 // write8 0x0E PGA = 0x00 to select input path = Buffers, digital gain = 1V/V
whismanoid 0:68e64068330f 1612 // write8 0x01 CONV_START = 0x01 to set Conversion Mode = Continuous
whismanoid 0:68e64068330f 1613 // read24 0x80|0x38 STATUS (%SW 0xB8 0 0 0)
whismanoid 0:68e64068330f 1614 // read24 0x80|0x30 DATA0 (%SW 0xB0 0 0 0)
whismanoid 0:68e64068330f 1615 //
whismanoid 1:d57c1a2cb83c 1616 // @param[in] ainp = channel high side, default=AINP_SEL_enum_t::AINP_SEL_0000_AIN0
whismanoid 1:d57c1a2cb83c 1617 // @param[in] ainn = channel low side, default=AINN_SEL_enum_t::AINN_SEL_1010_GND
whismanoid 0:68e64068330f 1618 //
whismanoid 0:68e64068330f 1619 // @return 1 on success; 0 on failure
whismanoid 1:d57c1a2cb83c 1620 uint8_t MAX11410::Configure_Voltage(MAX11410_AINP_SEL_enum_t ainp, MAX11410_AINN_SEL_enum_t ainn)
whismanoid 0:68e64068330f 1621 {
whismanoid 0:68e64068330f 1622
whismanoid 0:68e64068330f 1623 //----------------------------------------
whismanoid 0:68e64068330f 1624 // warning -- WIP work in progress
whismanoid 0:68e64068330f 1625 #warning "Not Tested Yet: MAX11410::Configure_Voltage..."
whismanoid 0:68e64068330f 1626
whismanoid 0:68e64068330f 1627 //----------------------------------------
whismanoid 0:68e64068330f 1628 // write8 0x00 PD = 0x03 (Reset Registers; enter Standby mode)
whismanoid 0:68e64068330f 1629 RegWrite(CMD_r000_0000_xxxx_xxdd_PD, PD_11_Reset);
whismanoid 0:68e64068330f 1630
whismanoid 0:68e64068330f 1631 //----------------------------------------
whismanoid 0:68e64068330f 1632 // write8 0x00 PD = 0x00 (NOP)
whismanoid 0:68e64068330f 1633 RegWrite(CMD_r000_0000_xxxx_xxdd_PD, PD_00_Normal);
whismanoid 0:68e64068330f 1634
whismanoid 0:68e64068330f 1635 //----------------------------------------
whismanoid 0:68e64068330f 1636 // write8 0x08 FILTER = 0x34 to select RATE_0100, LINEF_11_SINC4 60SPS (given CONV_TYPE_01_Continuous)
whismanoid 2:eac67184cc0c 1637 Configure_FILTER((uint8_t) /* MAX11410::MAX11410_LINEF_enum_t:: */ LINEF_11_SINC4,
whismanoid 2:eac67184cc0c 1638 (uint8_t) /* MAX11410::MAX11410_RATE_enum_t:: */ RATE_0100);
whismanoid 0:68e64068330f 1639
whismanoid 0:68e64068330f 1640 //----------------------------------------
whismanoid 0:68e64068330f 1641 // write8 0x0B MUX_CTRL0 = 0x0A to select AINP=AIN0 and AINN=GND
whismanoid 1:d57c1a2cb83c 1642 Configure_MUX_CTRL0((uint8_t)AINP_SEL_0000_AIN0, (uint8_t)AINN_SEL_1010_GND);
whismanoid 0:68e64068330f 1643
whismanoid 0:68e64068330f 1644 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1645 // write8 0x09 CTRL to select reference REF2P/REF2N; Data Format = Bipolar 2's Complement
whismanoid 1:d57c1a2cb83c 1646 Configure_CTRL(/*extclk*/ 0, /*u_bn*/ 0, /*format*/ 0,
whismanoid 1:d57c1a2cb83c 1647 /*refbufp_en*/ 0, /*refbufn_en*/ 0,
whismanoid 1:d57c1a2cb83c 1648 /*ref_sel*/ (uint8_t)REF_SEL_010_REF2P_REF2N);
whismanoid 0:68e64068330f 1649
whismanoid 0:68e64068330f 1650 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1651 // write8 0x0E PGA
whismanoid 2:eac67184cc0c 1652 Configure_PGA((uint8_t) /* MAX11410_SIG_PATH_enum_t:: */ SIG_PATH_00_BUFFERED,
whismanoid 2:eac67184cc0c 1653 (uint8_t) /* MAX11410_GAIN_enum_t:: */ GAIN_000_1);
whismanoid 0:68e64068330f 1654
whismanoid 0:68e64068330f 1655 //----------------------------------------
whismanoid 0:68e64068330f 1656 // write8 0x01 CONV_START = 0x01 to set Conversion Mode = Continuous
whismanoid 0:68e64068330f 1657 RegWrite(CMD_r000_0001_xddd_xxdd_CONV_START, 0x01);
whismanoid 0:68e64068330f 1658
whismanoid 0:68e64068330f 1659 //----------------------------------------
whismanoid 0:68e64068330f 1660 // read24 0x80|0x38 STATUS (%SW 0xB8 0 0 0)
whismanoid 0:68e64068330f 1661 RegRead(CMD_r011_1000_dddd_dddd_dddd_dddd_dxxx_dddd_STATUS, &status);
whismanoid 0:68e64068330f 1662
whismanoid 0:68e64068330f 1663 //----------------------------------------
whismanoid 0:68e64068330f 1664 // read24 0x80|0x30 DATA0 (%SW 0xB0 0 0 0)
whismanoid 0:68e64068330f 1665 RegRead(CMD_r011_0000_dddd_dddd_dddd_dddd_dddd_dddd_DATA0, &data0);
whismanoid 0:68e64068330f 1666
whismanoid 0:68e64068330f 1667 //----------------------------------------
whismanoid 0:68e64068330f 1668 // success
whismanoid 0:68e64068330f 1669 return 1;
whismanoid 0:68e64068330f 1670 }
whismanoid 0:68e64068330f 1671
whismanoid 0:68e64068330f 1672 //----------------------------------------
whismanoid 13:df96a784cda6 1673 // 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 1674 //
whismanoid 1:d57c1a2cb83c 1675 // Measure all ADC channels in sequence.
whismanoid 17:0e9f2dfc2a30 1676 // Diagnostic output pulse on GP0 for each channel's measurement.
whismanoid 17:0e9f2dfc2a30 1677 // Diagnostic output pulse on GP1 for entire loop.
whismanoid 17:0e9f2dfc2a30 1678 //
whismanoid 8:3a9dfa2e8234 1679 // @post AINcode[0..10]: measurement result LSB code
whismanoid 0:68e64068330f 1680 //
whismanoid 0:68e64068330f 1681 // @return 1 on success; 0 on failure
whismanoid 1:d57c1a2cb83c 1682 uint8_t MAX11410::Read_All_Voltages(void)
whismanoid 0:68e64068330f 1683 {
whismanoid 0:68e64068330f 1684
whismanoid 0:68e64068330f 1685 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1686 // scan AIN0..AIN9
whismanoid 17:0e9f2dfc2a30 1687 //
whismanoid 17:0e9f2dfc2a30 1688 // diagnostic GPIO pulse on MAX11410 GP1 pin (0xc3 = logic 0, 0xc4 = logic 1)
whismanoid 17:0e9f2dfc2a30 1689 RegWrite(CMD_r000_0101_dddd_xddd_GP1_CTRL, 0xc3); // GP1 = 0
whismanoid 17:0e9f2dfc2a30 1690 //
whismanoid 1:d57c1a2cb83c 1691 const MAX11410_AINN_SEL_enum_t ainn = AINN_SEL_1010_GND;
whismanoid 2:eac67184cc0c 1692 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 1693 {
whismanoid 17:0e9f2dfc2a30 1694 // diagnostic GPIO pulse on MAX11410 GP0 pin (0xc3 = logic 0, 0xc4 = logic 1)
whismanoid 17:0e9f2dfc2a30 1695 RegWrite(CMD_r000_0100_dddd_xddd_GP0_CTRL, 0xc3); // GP0 = 0
whismanoid 17:0e9f2dfc2a30 1696 //
whismanoid 1:d57c1a2cb83c 1697 Measure_Voltage((MAX11410_AINP_SEL_enum_t)ainp, ainn);
whismanoid 17:0e9f2dfc2a30 1698 // @post AINcode[ainp]: measurement result LSB code
whismanoid 17:0e9f2dfc2a30 1699 //
whismanoid 17:0e9f2dfc2a30 1700 // diagnostic GPIO pulse on MAX11410 GP0 pin (0xc3 = logic 0, 0xc4 = logic 1)
whismanoid 17:0e9f2dfc2a30 1701 RegWrite(CMD_r000_0100_dddd_xddd_GP0_CTRL, 0xc4); // GP0 = 1
whismanoid 17:0e9f2dfc2a30 1702 //
whismanoid 1:d57c1a2cb83c 1703 }
whismanoid 17:0e9f2dfc2a30 1704 // diagnostic GPIO pulse on MAX11410 GP1 pin (0xc3 = logic 0, 0xc4 = logic 1)
whismanoid 17:0e9f2dfc2a30 1705 RegWrite(CMD_r000_0101_dddd_xddd_GP1_CTRL, 0xc4); // GP1 = 1
whismanoid 17:0e9f2dfc2a30 1706 //
whismanoid 0:68e64068330f 1707
whismanoid 0:68e64068330f 1708 //----------------------------------------
whismanoid 0:68e64068330f 1709 // success
whismanoid 0:68e64068330f 1710 return 1;
whismanoid 0:68e64068330f 1711 }
whismanoid 0:68e64068330f 1712
whismanoid 0:68e64068330f 1713 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1714 // Menu item 'V'
whismanoid 0:68e64068330f 1715 // Trigger Measurement for voltage input.
whismanoid 0:68e64068330f 1716 //
whismanoid 0:68e64068330f 1717 // Example code for typical voltage measurement.
whismanoid 0:68e64068330f 1718 //
whismanoid 1:d57c1a2cb83c 1719 // @pre external connection REF2P-REF2N is a reference voltage
whismanoid 1:d57c1a2cb83c 1720 // @pre VRef = Voltage of REF input, in Volts
whismanoid 1:d57c1a2cb83c 1721 // @param[in] ainp = channel high side, default=AINP_SEL_0000_AIN0
whismanoid 1:d57c1a2cb83c 1722 // @param[in] ainn = channel low side, default=AINN_SEL_1010_GND
whismanoid 1:d57c1a2cb83c 1723 // @post AINcode[ainp]: measurement result LSB code
whismanoid 0:68e64068330f 1724 //
whismanoid 1:d57c1a2cb83c 1725 // @return ideal voltage calculated from raw LSB code and reference voltage
whismanoid 1:d57c1a2cb83c 1726 double MAX11410::Measure_Voltage(MAX11410_AINP_SEL_enum_t ainp, MAX11410_AINN_SEL_enum_t ainn)
whismanoid 0:68e64068330f 1727 {
whismanoid 0:68e64068330f 1728
whismanoid 0:68e64068330f 1729 //----------------------------------------
whismanoid 8:3a9dfa2e8234 1730 // restrict channel selection to valid index range
whismanoid 8:3a9dfa2e8234 1731 if ((uint8_t)ainp > /* MAX11410_AINP_SEL_enum_t:: */ AINP_SEL_1010_AVDD)
whismanoid 8:3a9dfa2e8234 1732 {
whismanoid 8:3a9dfa2e8234 1733 ainp = /* MAX11410_AINP_SEL_enum_t:: */ AINP_SEL_1010_AVDD;
whismanoid 8:3a9dfa2e8234 1734 }
whismanoid 8:3a9dfa2e8234 1735
whismanoid 8:3a9dfa2e8234 1736 //----------------------------------------
whismanoid 8:3a9dfa2e8234 1737 // restrict channel selection to valid index range
whismanoid 8:3a9dfa2e8234 1738 if ((uint8_t)ainn > /* MAX11410_AINN_SEL_enum_t:: */ AINN_SEL_1010_GND)
whismanoid 8:3a9dfa2e8234 1739 {
whismanoid 8:3a9dfa2e8234 1740 ainn = /* MAX11410_AINN_SEL_enum_t:: */ AINN_SEL_1010_GND;
whismanoid 8:3a9dfa2e8234 1741 }
whismanoid 8:3a9dfa2e8234 1742
whismanoid 8:3a9dfa2e8234 1743 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1744 // write8 0x0B MUX_CTRL0 = 0x0A to select AINP=AIN0 and AINN=GND
whismanoid 1:d57c1a2cb83c 1745 Configure_MUX_CTRL0((uint8_t)ainp, (uint8_t)ainn);
whismanoid 1:d57c1a2cb83c 1746
whismanoid 1:d57c1a2cb83c 1747 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1748 // write8 0x09 CTRL to select reference REF2P/REF2N; Data Format = Bipolar 2's Complement
whismanoid 1:d57c1a2cb83c 1749 Configure_CTRL(/*extclk*/ 0, /*u_bn*/ 0, /*format*/ 0,
whismanoid 1:d57c1a2cb83c 1750 /*refbufp_en*/ 0, /*refbufn_en*/ 0,
whismanoid 1:d57c1a2cb83c 1751 /*ref_sel*/ (uint8_t)REF_SEL_010_REF2P_REF2N);
whismanoid 1:d57c1a2cb83c 1752
whismanoid 1:d57c1a2cb83c 1753 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1754 // write8 0x0E PGA
whismanoid 2:eac67184cc0c 1755 Configure_PGA((uint8_t) /* MAX11410_SIG_PATH_enum_t:: */ SIG_PATH_00_BUFFERED,
whismanoid 2:eac67184cc0c 1756 (uint8_t) /* MAX11410_GAIN_enum_t:: */ GAIN_000_1);
whismanoid 1:d57c1a2cb83c 1757
whismanoid 1:d57c1a2cb83c 1758 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1759 // write8 0x08 FILTER = 0x34 to select RATE_0100, LINEF_11_SINC4 60SPS (given CONV_TYPE_01_Continuous)
whismanoid 2:eac67184cc0c 1760 Configure_FILTER((uint8_t) /* MAX11410::MAX11410_LINEF_enum_t:: */ LINEF_11_SINC4,
whismanoid 2:eac67184cc0c 1761 (uint8_t) /* MAX11410::MAX11410_RATE_enum_t:: */ RATE_0100);
whismanoid 1:d57c1a2cb83c 1762
whismanoid 1:d57c1a2cb83c 1763 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1764 // write8 0x01 CONV_START = 0x01 to set Conversion Mode = Continuous
whismanoid 1:d57c1a2cb83c 1765 RegWrite(CMD_r000_0001_xddd_xxdd_CONV_START, 0x01);
whismanoid 0:68e64068330f 1766
whismanoid 0:68e64068330f 1767 //----------------------------------------
whismanoid 0:68e64068330f 1768 // read24 0x80|0x38 STATUS (%SW 0xB8 0 0 0)
whismanoid 0:68e64068330f 1769 RegRead(CMD_r011_1000_dddd_dddd_dddd_dddd_dxxx_dddd_STATUS, &status);
whismanoid 0:68e64068330f 1770
whismanoid 0:68e64068330f 1771 //----------------------------------------
whismanoid 9:06ca88952f1c 1772 // TODO1: wait until STATUS_enum_t::STATUS_000010_DATA_RDY indicates data is available
whismanoid 9:06ca88952f1c 1773 #warning "Not Verified Yet: wait until STATUS indicates data is available"
whismanoid 13:df96a784cda6 1774 // A bad SPI interface can cause bit slippage, which makes this loop get stuck. Expect *PART_ID? = 0x000F02
whismanoid 13:df96a784cda6 1775 // while ((status & /* MAX11410_STATUS_enum_t:: */ STATUS_000010_DATA_RDY) == 0) {
whismanoid 13:df96a784cda6 1776 // possible infinite loop; need a timeout or futility countdown to escape
whismanoid 16:00aa1e5a6843 1777 for (int futility_countdown = 3000;
whismanoid 13:df96a784cda6 1778 ((futility_countdown > 0) &&
whismanoid 13:df96a784cda6 1779 ((status & /* MAX11410_STATUS_enum_t:: */ STATUS_000010_DATA_RDY) == 0));
whismanoid 13:df96a784cda6 1780 futility_countdown--)
whismanoid 13:df96a784cda6 1781 {
whismanoid 9:06ca88952f1c 1782 RegRead(CMD_r011_1000_dddd_dddd_dddd_dddd_dxxx_dddd_STATUS, &status);
whismanoid 9:06ca88952f1c 1783 }
whismanoid 9:06ca88952f1c 1784
whismanoid 9:06ca88952f1c 1785 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1786 // read24 0x80|0x30 DATA0 (%SW 0xB0 0 0 0): AINcode[ainp] = measurement
whismanoid 1:d57c1a2cb83c 1787 RegRead(CMD_r011_0000_dddd_dddd_dddd_dddd_dddd_dddd_DATA0, &AINcode[((int)ainp & 0x0F)]);
whismanoid 1:d57c1a2cb83c 1788 data0 = AINcode[((int)ainp & 0x0F)];
whismanoid 0:68e64068330f 1789
whismanoid 0:68e64068330f 1790 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1791 // ideal voltage calculated from raw LSB code and reference voltage
whismanoid 1:d57c1a2cb83c 1792 return VoltageOfCode(AINcode[((int)ainp & 0x0F)]);
whismanoid 0:68e64068330f 1793 }
whismanoid 0:68e64068330f 1794
whismanoid 0:68e64068330f 1795 //----------------------------------------
whismanoid 5:a2e74357cfc0 1796 // Menu item 'R' -> rtd_resistance, RTD_Temperature
whismanoid 0:68e64068330f 1797 // Trigger Measurement for Resistive Temperature Device (RTD).
whismanoid 0:68e64068330f 1798 //
whismanoid 0:68e64068330f 1799 // Example code for typical RTD measurement.
whismanoid 0:68e64068330f 1800 //
whismanoid 1:d57c1a2cb83c 1801 // @pre external connection REF1P-REF1N is a reference resistor
whismanoid 1:d57c1a2cb83c 1802 // @pre VRef_REF1 = reference resistance in ohms, default=4999
whismanoid 1:d57c1a2cb83c 1803 // @param[in] rtd_iout = channel RTD high side force, default=AINP_SEL_0111_AIN7
whismanoid 1:d57c1a2cb83c 1804 // @param[in] rtd_ainp = channel RTD high side sense, default=AINP_SEL_1000_AIN8
whismanoid 1:d57c1a2cb83c 1805 // @param[in] rtd_ainn = channel RTD low side, default=AINN_SEL_1001_AIN9
whismanoid 1:d57c1a2cb83c 1806 // @post AINcode[rtd_ainp]: measurement result LSB code
whismanoid 5:a2e74357cfc0 1807 // @post rtd_resistance: measurement result resistance in Ohms
whismanoid 5:a2e74357cfc0 1808 // @post RTD_Temperature: Temperature calculated from RTD Resistance; Thermocouple Cold Junction, in degrees C
whismanoid 0:68e64068330f 1809 //
whismanoid 3:658a93dfb2d8 1810 // @return resistance calculated from raw LSB code and reference resistance
whismanoid 1:d57c1a2cb83c 1811 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 1812 {
whismanoid 0:68e64068330f 1813
whismanoid 0:68e64068330f 1814 //----------------------------------------
whismanoid 8:3a9dfa2e8234 1815 // restrict channel selection to valid index range
whismanoid 8:3a9dfa2e8234 1816 if ((uint8_t)rtd_iout > /* MAX11410_AINP_SEL_enum_t:: */ AINP_SEL_1010_AVDD)
whismanoid 8:3a9dfa2e8234 1817 {
whismanoid 8:3a9dfa2e8234 1818 rtd_iout = /* MAX11410_AINP_SEL_enum_t:: */ AINP_SEL_1010_AVDD;
whismanoid 8:3a9dfa2e8234 1819 }
whismanoid 8:3a9dfa2e8234 1820
whismanoid 8:3a9dfa2e8234 1821 //----------------------------------------
whismanoid 8:3a9dfa2e8234 1822 // restrict channel selection to valid index range
whismanoid 8:3a9dfa2e8234 1823 if ((uint8_t)rtd_ainp > /* MAX11410_AINP_SEL_enum_t:: */ AINP_SEL_1010_AVDD)
whismanoid 8:3a9dfa2e8234 1824 {
whismanoid 8:3a9dfa2e8234 1825 rtd_ainp = /* MAX11410_AINP_SEL_enum_t:: */ AINP_SEL_1010_AVDD;
whismanoid 8:3a9dfa2e8234 1826 }
whismanoid 8:3a9dfa2e8234 1827
whismanoid 8:3a9dfa2e8234 1828 //----------------------------------------
whismanoid 8:3a9dfa2e8234 1829 // restrict channel selection to valid index range
whismanoid 8:3a9dfa2e8234 1830 if ((uint8_t)rtd_ainn > /* MAX11410_AINN_SEL_enum_t:: */ AINN_SEL_1010_GND)
whismanoid 8:3a9dfa2e8234 1831 {
whismanoid 8:3a9dfa2e8234 1832 rtd_ainn = /* MAX11410_AINN_SEL_enum_t:: */ AINN_SEL_1010_GND;
whismanoid 8:3a9dfa2e8234 1833 }
whismanoid 8:3a9dfa2e8234 1834
whismanoid 8:3a9dfa2e8234 1835 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1836 // write8 0x08 FILTER = 0x34 to select RATE_0100, LINEF_11_SINC4 60SPS (given CONV_TYPE_01_Continuous)
whismanoid 2:eac67184cc0c 1837 Configure_FILTER((uint8_t) /* MAX11410::MAX11410_LINEF_enum_t:: */ LINEF_11_SINC4,
whismanoid 2:eac67184cc0c 1838 (uint8_t) /* MAX11410::MAX11410_RATE_enum_t:: */ RATE_0100);
whismanoid 1:d57c1a2cb83c 1839
whismanoid 1:d57c1a2cb83c 1840 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1841 // write8 0x09 CTRL to select reference resistor REF1P/REF1N; Data Format = Unipolar
whismanoid 1:d57c1a2cb83c 1842 Configure_CTRL(/*extclk*/ 0, /*u_bn*/ 1, /*format*/ 0,
whismanoid 1:d57c1a2cb83c 1843 /*refbufp_en*/ 0, /*refbufn_en*/ 0,
whismanoid 1:d57c1a2cb83c 1844 /*ref_sel*/ (uint8_t)REF_SEL_001_REF1P_REF1N);
whismanoid 1:d57c1a2cb83c 1845
whismanoid 1:d57c1a2cb83c 1846 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1847 // write8 0x0A SOURCE = 0x0B to select IDAC_MODE 400uA; AIN9=2.000V, AIN8(PT100)=2.040V, AIN8(PT1000)=2.400V
whismanoid 1:d57c1a2cb83c 1848 Configure_SOURCE(VBIAS_MODE_00_Active, BRN_MODE_00_disabled, IDAC_MODE_1011_400uA);
whismanoid 1:d57c1a2cb83c 1849
whismanoid 1:d57c1a2cb83c 1850 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1851 // write8 0x0B MUX_CTRL0 = 0x89 to select AINP=AIN8 and AINN=AIN9
whismanoid 1:d57c1a2cb83c 1852 Configure_MUX_CTRL0((uint8_t)rtd_ainp, (uint8_t)rtd_ainn);
whismanoid 1:d57c1a2cb83c 1853
whismanoid 1:d57c1a2cb83c 1854 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1855 // write8 0x0C MUX_CTRL1 = 0xF7 to select IDAC1_SEL=NC, IDAC0_SEL=AIN7
whismanoid 1:d57c1a2cb83c 1856 Configure_MUX_CTRL1((uint8_t)IDAC1_SEL_1111_unconnected, (uint8_t)rtd_iout);
whismanoid 1:d57c1a2cb83c 1857
whismanoid 1:d57c1a2cb83c 1858 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1859 // write8 0x0E PGA
whismanoid 2:eac67184cc0c 1860 Configure_PGA((uint8_t) /* MAX11410_SIG_PATH_enum_t:: */ SIG_PATH_10_PGA,
whismanoid 2:eac67184cc0c 1861 (uint8_t) /* MAX11410_GAIN_enum_t:: */ GAIN_001_2);
whismanoid 1:d57c1a2cb83c 1862
whismanoid 1:d57c1a2cb83c 1863 //----------------------------------------
whismanoid 16:00aa1e5a6843 1864 // diagnostic GPIO pulse on GP1 during RTD_power_up_interval_msec
whismanoid 16:00aa1e5a6843 1865 RegWrite(CMD_r000_0101_dddd_xddd_GP1_CTRL, 0xc3); // diagnostic GPIO pulse GP1
whismanoid 16:00aa1e5a6843 1866 // write8 0x05 GP1_CTRL (%SW 0x05 0xc3) 11000 output 011 logic 0
whismanoid 16:00aa1e5a6843 1867
whismanoid 16:00aa1e5a6843 1868 //----------------------------------------
whismanoid 9:06ca88952f1c 1869 // TODO1: timing delay after enable RTD bias current
whismanoid 9:06ca88952f1c 1870 #warning "Not Implemented Yet: timing delay after enable RTD bias current"
whismanoid 15:d5781c8fc002 1871 const int RTD_power_up_interval_msec = 100; // timing delay after enable RTD bias current
whismanoid 15:d5781c8fc002 1872 wait_ms(RTD_power_up_interval_msec); // timing delay function, platform-specific
whismanoid 9:06ca88952f1c 1873
whismanoid 9:06ca88952f1c 1874 //----------------------------------------
whismanoid 16:00aa1e5a6843 1875 // diagnostic GPIO pulse on GP1 during RTD_power_up_interval_msec
whismanoid 16:00aa1e5a6843 1876 RegWrite(CMD_r000_0101_dddd_xddd_GP1_CTRL, 0xc4); // diagnostic GPIO pulse GP1
whismanoid 16:00aa1e5a6843 1877 // write8 0x05 GP1_CTRL (%SW 0x05 0xc4) 11000 output 100 logic 1
whismanoid 16:00aa1e5a6843 1878
whismanoid 16:00aa1e5a6843 1879 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1880 // write8 0x01 CONV_START = 0x01 to set Conversion Mode = Continuous
whismanoid 1:d57c1a2cb83c 1881 RegWrite(CMD_r000_0001_xddd_xxdd_CONV_START, 0x01);
whismanoid 1:d57c1a2cb83c 1882
whismanoid 1:d57c1a2cb83c 1883 //----------------------------------------
whismanoid 0:68e64068330f 1884 // read24 0x80|0x38 STATUS (%SW 0xB8 0 0 0)
whismanoid 0:68e64068330f 1885 RegRead(CMD_r011_1000_dddd_dddd_dddd_dddd_dxxx_dddd_STATUS, &status);
whismanoid 0:68e64068330f 1886
whismanoid 0:68e64068330f 1887 //----------------------------------------
whismanoid 16:00aa1e5a6843 1888 // TODO1: wait until STATUS_enum_t::STATUS_000010_DATA_RDY indicates data is available
whismanoid 16:00aa1e5a6843 1889 #warning "Not Verified Yet: wait until STATUS indicates data is available"
whismanoid 16:00aa1e5a6843 1890 // A bad SPI interface can cause bit slippage, which makes this loop get stuck. Expect *PART_ID? = 0x000F02
whismanoid 16:00aa1e5a6843 1891 // while ((status & /* MAX11410_STATUS_enum_t:: */ STATUS_000010_DATA_RDY) == 0) {
whismanoid 16:00aa1e5a6843 1892 // possible infinite loop; need a timeout or futility countdown to escape
whismanoid 16:00aa1e5a6843 1893 for (int futility_countdown = 3000;
whismanoid 16:00aa1e5a6843 1894 ((futility_countdown > 0) &&
whismanoid 16:00aa1e5a6843 1895 ((status & /* MAX11410_STATUS_enum_t:: */ STATUS_000010_DATA_RDY) == 0));
whismanoid 16:00aa1e5a6843 1896 futility_countdown--)
whismanoid 16:00aa1e5a6843 1897 {
whismanoid 16:00aa1e5a6843 1898 RegRead(CMD_r011_1000_dddd_dddd_dddd_dddd_dxxx_dddd_STATUS, &status);
whismanoid 16:00aa1e5a6843 1899 }
whismanoid 16:00aa1e5a6843 1900
whismanoid 16:00aa1e5a6843 1901 //----------------------------------------
whismanoid 1:d57c1a2cb83c 1902 // read24 0x80|0x30 DATA0 (%SW 0xB0 0 0 0): AINcode[ainp] = measurement
whismanoid 1:d57c1a2cb83c 1903 RegRead(CMD_r011_0000_dddd_dddd_dddd_dddd_dddd_dddd_DATA0, &AINcode[((int)rtd_ainp & 0x0F)]);
whismanoid 1:d57c1a2cb83c 1904 data0 = AINcode[((int)rtd_ainp & 0x0F)];
whismanoid 0:68e64068330f 1905
whismanoid 0:68e64068330f 1906 //----------------------------------------
whismanoid 15:d5781c8fc002 1907 // 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 1908 Configure_MUX_CTRL1((uint8_t)IDAC1_SEL_1111_unconnected, (uint8_t)IDAC0_SEL_1111_unconnected);
whismanoid 9:06ca88952f1c 1909
whismanoid 9:06ca88952f1c 1910 //----------------------------------------
whismanoid 5:a2e74357cfc0 1911 // resistance calculated from raw LSB code and VRef_REF1 reference resistance in ohms
whismanoid 5:a2e74357cfc0 1912 rtd_resistance = VoltageOfCode(AINcode[((int)rtd_ainp & 0x0F)]);
whismanoid 16:00aa1e5a6843 1913 TemperatureOfRTD(rtd_resistance); // calculate RTD_Temperature
whismanoid 5:a2e74357cfc0 1914 return rtd_resistance;
whismanoid 0:68e64068330f 1915 }
whismanoid 0:68e64068330f 1916
whismanoid 0:68e64068330f 1917 //----------------------------------------
whismanoid 3:658a93dfb2d8 1918 // Return the physical temperature corresponding to measured resistance
whismanoid 3:658a93dfb2d8 1919 // of a PT1000 type Resistive Temperature Device (RTD).
whismanoid 3:658a93dfb2d8 1920 //
whismanoid 3:658a93dfb2d8 1921 // @param[in] rtd_resistance = RTD resistance in ohms, default=1000
whismanoid 5:a2e74357cfc0 1922 // @post RTD_Temperature: Temperature calculated from RTD Resistance; Thermocouple Cold Junction, in degrees C
whismanoid 3:658a93dfb2d8 1923 //
whismanoid 3:658a93dfb2d8 1924 // @return ideal temperature in degrees C, calculated from RTD resistance in ohms
whismanoid 19:50cf5da53d36 1925 // @test tinyTester.blink_time_msec = 20 // quickly speed through the software verification
whismanoid 19:50cf5da53d36 1926 // @test group RTD_PT1000 TemperatureOfRTD_PT1000(842.94) expect -40.0 within 0.1 // PT-1000 RTD at -40C
whismanoid 19:50cf5da53d36 1927 // @test group RTD_PT1000 TemperatureOfRTD_PT1000(1000.0) expect 0.0 within 0.1 // PT-1000 RTD at 0C
whismanoid 19:50cf5da53d36 1928 // @test group RTD_PT1000 TemperatureOfRTD_PT1000(1097.3) expect 25.0 within 0.1 // PT-1000 RTD at 25C
whismanoid 19:50cf5da53d36 1929 // @test group RTD_PT1000 TemperatureOfRTD_PT1000(1328.1) expect 85.0 within 0.1 // PT-1000 RTD at 85C
whismanoid 19:50cf5da53d36 1930 // @test group RTD_PT1000 TemperatureOfRTD_PT1000(1479.5) expect 125.0 within 0.1 // PT-1000 RTD at 125C
whismanoid 19:50cf5da53d36 1931 // @test tinyTester.blink_time_msec = 75 // default 75 resume hardware self test
whismanoid 3:658a93dfb2d8 1932 //
whismanoid 3:658a93dfb2d8 1933 double MAX11410::TemperatureOfRTD_PT1000(double rtd_resistance)
whismanoid 3:658a93dfb2d8 1934 {
whismanoid 3:658a93dfb2d8 1935
whismanoid 3:658a93dfb2d8 1936 //----------------------------------------
whismanoid 3:658a93dfb2d8 1937 // Temperature from RTD Resistance maths
whismanoid 4:c169ba85d673 1938 // ITS-90 PT-1000 RTD
whismanoid 4:c169ba85d673 1939 double R0 = 1000.0;
whismanoid 4:c169ba85d673 1940 double a = 3.9083e-3;
whismanoid 4:c169ba85d673 1941 double b = -5.7750e-7;
whismanoid 5:a2e74357cfc0 1942 // calculate T from R and R0
whismanoid 4:c169ba85d673 1943 double sqrtTerm = sqrt(R0*R0 * a*a - 4*R0*b*(R0 - rtd_resistance));
whismanoid 4:c169ba85d673 1944 double denominator = 2 * R0 * b;
whismanoid 4:c169ba85d673 1945 RTD_Temperature = ((-R0 * a) + (sqrtTerm)) / denominator;
whismanoid 3:658a93dfb2d8 1946 return RTD_Temperature;
whismanoid 3:658a93dfb2d8 1947 }
whismanoid 3:658a93dfb2d8 1948
whismanoid 3:658a93dfb2d8 1949 //----------------------------------------
whismanoid 16:00aa1e5a6843 1950 // Return the physical temperature corresponding to measured resistance
whismanoid 16:00aa1e5a6843 1951 // of a PT100 type Resistive Temperature Device (RTD).
whismanoid 16:00aa1e5a6843 1952 //
whismanoid 16:00aa1e5a6843 1953 // @param[in] rtd_resistance = RTD resistance in ohms, default=100
whismanoid 16:00aa1e5a6843 1954 // @post RTD_Temperature: Temperature calculated from RTD Resistance; Thermocouple Cold Junction, in degrees C
whismanoid 16:00aa1e5a6843 1955 //
whismanoid 16:00aa1e5a6843 1956 // @return ideal temperature in degrees C, calculated from RTD resistance in ohms
whismanoid 19:50cf5da53d36 1957 // @test tinyTester.blink_time_msec = 20 // quickly speed through the software verification
whismanoid 19:50cf5da53d36 1958 // @test group RTD_PT100 TemperatureOfRTD_PT100(84.294) expect -40.0 within 0.1 // PT-100 RTD at -40C
whismanoid 19:50cf5da53d36 1959 // @test group RTD_PT100 TemperatureOfRTD_PT100(100.00) expect 0.0 within 0.1 // PT-100 RTD at 0C
whismanoid 19:50cf5da53d36 1960 // @test group RTD_PT100 TemperatureOfRTD_PT100(109.73) expect 25.0 within 0.1 // PT-100 RTD at 25C
whismanoid 19:50cf5da53d36 1961 // @test group RTD_PT100 TemperatureOfRTD_PT100(132.81) expect 85.0 within 0.1 // PT-100 RTD at 85C
whismanoid 19:50cf5da53d36 1962 // @test group RTD_PT100 TemperatureOfRTD_PT100(147.95) expect 125.0 within 0.1 // PT-100 RTD at 125C
whismanoid 19:50cf5da53d36 1963 // @test tinyTester.blink_time_msec = 75 // default 75 resume hardware self test
whismanoid 16:00aa1e5a6843 1964 //
whismanoid 16:00aa1e5a6843 1965 double MAX11410::TemperatureOfRTD_PT100(double rtd_resistance)
whismanoid 16:00aa1e5a6843 1966 {
whismanoid 16:00aa1e5a6843 1967
whismanoid 16:00aa1e5a6843 1968 //----------------------------------------
whismanoid 16:00aa1e5a6843 1969 // Temperature from RTD Resistance maths
whismanoid 16:00aa1e5a6843 1970 // ITS-90 PT-100 RTD
whismanoid 16:00aa1e5a6843 1971 double R0 = 100.0;
whismanoid 16:00aa1e5a6843 1972 double a = 3.9083e-3;
whismanoid 16:00aa1e5a6843 1973 double b = -5.7750e-7;
whismanoid 16:00aa1e5a6843 1974 // calculate T from R and R0
whismanoid 16:00aa1e5a6843 1975 double sqrtTerm = sqrt(R0*R0 * a*a - 4*R0*b*(R0 - rtd_resistance));
whismanoid 16:00aa1e5a6843 1976 double denominator = 2 * R0 * b;
whismanoid 16:00aa1e5a6843 1977 RTD_Temperature = ((-R0 * a) + (sqrtTerm)) / denominator;
whismanoid 16:00aa1e5a6843 1978 return RTD_Temperature;
whismanoid 16:00aa1e5a6843 1979 }
whismanoid 16:00aa1e5a6843 1980
whismanoid 16:00aa1e5a6843 1981 //----------------------------------------
whismanoid 16:00aa1e5a6843 1982 // Return the physical temperature corresponding to measured resistance
whismanoid 16:00aa1e5a6843 1983 // of a PT100 or PT1000 type Resistive Temperature Device (RTD).
whismanoid 16:00aa1e5a6843 1984 //
whismanoid 16:00aa1e5a6843 1985 // @param[in] rtd_resistance = RTD resistance in ohms, default=100
whismanoid 16:00aa1e5a6843 1986 // @post RTD_Temperature: Temperature calculated from RTD Resistance; Thermocouple Cold Junction, in degrees C
whismanoid 16:00aa1e5a6843 1987 //
whismanoid 16:00aa1e5a6843 1988 // @return ideal temperature in degrees C, calculated from RTD resistance in ohms
whismanoid 19:50cf5da53d36 1989 // @test group RTD // Verify function TemperatureOfRTD
whismanoid 19:50cf5da53d36 1990 // @test group RTD tinyTester.blink_time_msec = 20 // quickly speed through the software verification
whismanoid 19:50cf5da53d36 1991 // @test group RTD TemperatureOfRTD(84.294) expect -40.0 within 0.1 // PT-100 RTD at -40C
whismanoid 19:50cf5da53d36 1992 // @test group RTD TemperatureOfRTD(100.00) expect 0.0 within 0.1 // PT-100 RTD at 0C
whismanoid 19:50cf5da53d36 1993 // @test group RTD TemperatureOfRTD(109.73) expect 25.0 within 0.1 // PT-100 RTD at 25C
whismanoid 19:50cf5da53d36 1994 // @test group RTD TemperatureOfRTD(132.81) expect 85.0 within 0.1 // PT-100 RTD at 85C
whismanoid 19:50cf5da53d36 1995 // @test group RTD TemperatureOfRTD(147.95) expect 125.0 within 0.1 // PT-100 RTD at 125C
whismanoid 19:50cf5da53d36 1996 // @test group RTD TemperatureOfRTD(842.94) expect -40.0 within 0.1 // PT-1000 RTD at -40C
whismanoid 19:50cf5da53d36 1997 // @test group RTD TemperatureOfRTD(1000.0) expect 0.0 within 0.1 // PT-1000 RTD at 0C
whismanoid 19:50cf5da53d36 1998 // @test group RTD TemperatureOfRTD(1097.3) expect 25.0 within 0.1 // PT-1000 RTD at 25C
whismanoid 19:50cf5da53d36 1999 // @test group RTD TemperatureOfRTD(1328.1) expect 85.0 within 0.1 // PT-1000 RTD at 85C
whismanoid 19:50cf5da53d36 2000 // @test group RTD TemperatureOfRTD(1479.5) expect 125.0 within 0.1 // PT-1000 RTD at 125C
whismanoid 19:50cf5da53d36 2001 // @test tinyTester.blink_time_msec = 75 // default 75 resume hardware self test
whismanoid 16:00aa1e5a6843 2002 //
whismanoid 16:00aa1e5a6843 2003 double MAX11410::TemperatureOfRTD(double rtd_resistance)
whismanoid 16:00aa1e5a6843 2004 {
whismanoid 16:00aa1e5a6843 2005
whismanoid 16:00aa1e5a6843 2006 //----------------------------------------
whismanoid 16:00aa1e5a6843 2007 // return TemperatureOfRTD_PT100 or TemperatureOfRTD_PT1000
whismanoid 16:00aa1e5a6843 2008 if (rtd_resistance > 500.0)
whismanoid 16:00aa1e5a6843 2009 {
whismanoid 16:00aa1e5a6843 2010 return TemperatureOfRTD_PT1000(rtd_resistance);
whismanoid 16:00aa1e5a6843 2011 }
whismanoid 16:00aa1e5a6843 2012 else
whismanoid 16:00aa1e5a6843 2013 {
whismanoid 16:00aa1e5a6843 2014 return TemperatureOfRTD_PT100(rtd_resistance);
whismanoid 16:00aa1e5a6843 2015 }
whismanoid 16:00aa1e5a6843 2016 }
whismanoid 16:00aa1e5a6843 2017
whismanoid 16:00aa1e5a6843 2018 //----------------------------------------
whismanoid 3:658a93dfb2d8 2019 // Menu item 'TM'
whismanoid 0:68e64068330f 2020 // Trigger Measurement for Thermocouple
whismanoid 0:68e64068330f 2021 //
whismanoid 0:68e64068330f 2022 // Example code for typical Thermocouple measurement.
whismanoid 1:d57c1a2cb83c 2023 // An RTD measures the "cold junction" where TC connects to the board,
whismanoid 1:d57c1a2cb83c 2024 // and the TC measures the temperature difference above the cold junction.
whismanoid 0:68e64068330f 2025 //
whismanoid 1:d57c1a2cb83c 2026 // @param[in] tc_ainp = channel of Thermocouple high side, default=AINP_SEL_0101_AIN5
whismanoid 1:d57c1a2cb83c 2027 // @param[in] tc_ainn = channel of Thermocouple low side, default=AINN_SEL_0110_AIN6
whismanoid 1:d57c1a2cb83c 2028 // @param[in] rtd_iout = channel RTD high side force, default=AINP_SEL_0111_AIN7
whismanoid 1:d57c1a2cb83c 2029 // @param[in] rtd_ainp = channel RTD high side sense, default=AINP_SEL_1000_AIN8
whismanoid 1:d57c1a2cb83c 2030 // @param[in] rtd_ainn = channel RTD low side, default=AINN_SEL_1001_AIN9
whismanoid 1:d57c1a2cb83c 2031 // @post AINcode[tc_ainp]: measurement result LSB code
whismanoid 0:68e64068330f 2032 //
whismanoid 0:68e64068330f 2033 // @return 1 on success; 0 on failure
whismanoid 1:d57c1a2cb83c 2034 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 2035 {
whismanoid 0:68e64068330f 2036
whismanoid 0:68e64068330f 2037 //----------------------------------------
whismanoid 0:68e64068330f 2038 // warning -- WIP work in progress
whismanoid 0:68e64068330f 2039 #warning "Not Implemented Yet: MAX11410::Measure_Thermocouple..."
whismanoid 0:68e64068330f 2040
whismanoid 0:68e64068330f 2041 //----------------------------------------
whismanoid 8:3a9dfa2e8234 2042 // restrict channel selection to valid index range
whismanoid 8:3a9dfa2e8234 2043 if ((uint8_t)tc_ainp > /* MAX11410_AINP_SEL_enum_t:: */ AINP_SEL_1010_AVDD)
whismanoid 8:3a9dfa2e8234 2044 {
whismanoid 8:3a9dfa2e8234 2045 tc_ainp = /* MAX11410_AINP_SEL_enum_t:: */ AINP_SEL_1010_AVDD;
whismanoid 8:3a9dfa2e8234 2046 }
whismanoid 8:3a9dfa2e8234 2047
whismanoid 8:3a9dfa2e8234 2048 //----------------------------------------
whismanoid 8:3a9dfa2e8234 2049 // restrict channel selection to valid index range
whismanoid 8:3a9dfa2e8234 2050 if ((uint8_t)tc_ainn > /* MAX11410_AINN_SEL_enum_t:: */ AINN_SEL_1010_GND)
whismanoid 8:3a9dfa2e8234 2051 {
whismanoid 8:3a9dfa2e8234 2052 tc_ainn = /* MAX11410_AINN_SEL_enum_t:: */ AINN_SEL_1010_GND;
whismanoid 8:3a9dfa2e8234 2053 }
whismanoid 8:3a9dfa2e8234 2054
whismanoid 8:3a9dfa2e8234 2055 //----------------------------------------
whismanoid 8:3a9dfa2e8234 2056 // restrict channel selection to valid index range
whismanoid 8:3a9dfa2e8234 2057 if ((uint8_t)rtd_iout > /* MAX11410_AINP_SEL_enum_t:: */ AINP_SEL_1010_AVDD)
whismanoid 8:3a9dfa2e8234 2058 {
whismanoid 8:3a9dfa2e8234 2059 rtd_iout = /* MAX11410_AINP_SEL_enum_t:: */ AINP_SEL_1010_AVDD;
whismanoid 8:3a9dfa2e8234 2060 }
whismanoid 8:3a9dfa2e8234 2061
whismanoid 8:3a9dfa2e8234 2062 //----------------------------------------
whismanoid 8:3a9dfa2e8234 2063 // restrict channel selection to valid index range
whismanoid 8:3a9dfa2e8234 2064 if ((uint8_t)rtd_ainp > /* MAX11410_AINP_SEL_enum_t:: */ AINP_SEL_1010_AVDD)
whismanoid 8:3a9dfa2e8234 2065 {
whismanoid 8:3a9dfa2e8234 2066 rtd_ainp = /* MAX11410_AINP_SEL_enum_t:: */ AINP_SEL_1010_AVDD;
whismanoid 8:3a9dfa2e8234 2067 }
whismanoid 8:3a9dfa2e8234 2068
whismanoid 8:3a9dfa2e8234 2069 //----------------------------------------
whismanoid 8:3a9dfa2e8234 2070 // restrict channel selection to valid index range
whismanoid 8:3a9dfa2e8234 2071 if ((uint8_t)rtd_ainn > /* MAX11410_AINN_SEL_enum_t:: */ AINN_SEL_1010_GND)
whismanoid 8:3a9dfa2e8234 2072 {
whismanoid 8:3a9dfa2e8234 2073 rtd_ainn = /* MAX11410_AINN_SEL_enum_t:: */ AINN_SEL_1010_GND;
whismanoid 8:3a9dfa2e8234 2074 }
whismanoid 8:3a9dfa2e8234 2075
whismanoid 8:3a9dfa2e8234 2076 //----------------------------------------
whismanoid 8:3a9dfa2e8234 2077 // write8 0x0B MUX_CTRL0 = 0x0A to select AINP=AIN0 and AINN=GND
whismanoid 8:3a9dfa2e8234 2078 Configure_MUX_CTRL0((uint8_t)tc_ainp, (uint8_t)tc_ainn);
whismanoid 8:3a9dfa2e8234 2079
whismanoid 8:3a9dfa2e8234 2080 //----------------------------------------
whismanoid 8:3a9dfa2e8234 2081 // write8 0x09 CTRL to select reference REF2P/REF2N; Data Format = Bipolar 2's Complement
whismanoid 8:3a9dfa2e8234 2082 Configure_CTRL(/*extclk*/ 0, /*u_bn*/ 0, /*format*/ 0,
whismanoid 8:3a9dfa2e8234 2083 /*refbufp_en*/ 0, /*refbufn_en*/ 0,
whismanoid 8:3a9dfa2e8234 2084 /*ref_sel*/ (uint8_t)REF_SEL_010_REF2P_REF2N);
whismanoid 8:3a9dfa2e8234 2085
whismanoid 8:3a9dfa2e8234 2086 //----------------------------------------
whismanoid 8:3a9dfa2e8234 2087 // write8 0x0E PGA
whismanoid 8:3a9dfa2e8234 2088 Configure_PGA((uint8_t) /* MAX11410_SIG_PATH_enum_t:: */ SIG_PATH_00_BUFFERED,
whismanoid 8:3a9dfa2e8234 2089 (uint8_t) /* MAX11410_GAIN_enum_t:: */ GAIN_000_1);
whismanoid 8:3a9dfa2e8234 2090
whismanoid 8:3a9dfa2e8234 2091 //----------------------------------------
whismanoid 8:3a9dfa2e8234 2092 // write8 0x08 FILTER = 0x34 to select RATE_0100, LINEF_11_SINC4 60SPS (given CONV_TYPE_01_Continuous)
whismanoid 8:3a9dfa2e8234 2093 Configure_FILTER((uint8_t) /* MAX11410::MAX11410_LINEF_enum_t:: */ LINEF_11_SINC4,
whismanoid 8:3a9dfa2e8234 2094 (uint8_t) /* MAX11410::MAX11410_RATE_enum_t:: */ RATE_0100);
whismanoid 8:3a9dfa2e8234 2095
whismanoid 8:3a9dfa2e8234 2096 //----------------------------------------
whismanoid 8:3a9dfa2e8234 2097 // write8 0x01 CONV_START = 0x01 to set Conversion Mode = Continuous
whismanoid 8:3a9dfa2e8234 2098 RegWrite(CMD_r000_0001_xddd_xxdd_CONV_START, 0x01);
whismanoid 8:3a9dfa2e8234 2099
whismanoid 8:3a9dfa2e8234 2100 //----------------------------------------
whismanoid 0:68e64068330f 2101 // read24 0x80|0x38 STATUS (%SW 0xB8 0 0 0)
whismanoid 0:68e64068330f 2102 RegRead(CMD_r011_1000_dddd_dddd_dddd_dddd_dxxx_dddd_STATUS, &status);
whismanoid 0:68e64068330f 2103
whismanoid 0:68e64068330f 2104 //----------------------------------------
whismanoid 16:00aa1e5a6843 2105 // TODO1: wait until STATUS_enum_t::STATUS_000010_DATA_RDY indicates data is available
whismanoid 16:00aa1e5a6843 2106 #warning "Not Verified Yet: wait until STATUS indicates data is available"
whismanoid 16:00aa1e5a6843 2107 // A bad SPI interface can cause bit slippage, which makes this loop get stuck. Expect *PART_ID? = 0x000F02
whismanoid 16:00aa1e5a6843 2108 // while ((status & /* MAX11410_STATUS_enum_t:: */ STATUS_000010_DATA_RDY) == 0) {
whismanoid 16:00aa1e5a6843 2109 // possible infinite loop; need a timeout or futility countdown to escape
whismanoid 16:00aa1e5a6843 2110 for (int futility_countdown = 3000;
whismanoid 16:00aa1e5a6843 2111 ((futility_countdown > 0) &&
whismanoid 16:00aa1e5a6843 2112 ((status & /* MAX11410_STATUS_enum_t:: */ STATUS_000010_DATA_RDY) == 0));
whismanoid 16:00aa1e5a6843 2113 futility_countdown--)
whismanoid 16:00aa1e5a6843 2114 {
whismanoid 16:00aa1e5a6843 2115 RegRead(CMD_r011_1000_dddd_dddd_dddd_dddd_dxxx_dddd_STATUS, &status);
whismanoid 16:00aa1e5a6843 2116 }
whismanoid 16:00aa1e5a6843 2117
whismanoid 16:00aa1e5a6843 2118 //----------------------------------------
whismanoid 8:3a9dfa2e8234 2119 // read24 0x80|0x30 DATA0 (%SW 0xB0 0 0 0): AINcode[tc_ainp] = measurement
whismanoid 8:3a9dfa2e8234 2120 RegRead(CMD_r011_0000_dddd_dddd_dddd_dddd_dddd_dddd_DATA0, &AINcode[((int)tc_ainp & 0x0F)]);
whismanoid 8:3a9dfa2e8234 2121 data0 = AINcode[((int)tc_ainp & 0x0F)];
whismanoid 0:68e64068330f 2122
whismanoid 0:68e64068330f 2123 //----------------------------------------
whismanoid 1:d57c1a2cb83c 2124 // ideal voltage calculated from raw LSB code and reference voltage
whismanoid 8:3a9dfa2e8234 2125 return VoltageOfCode(AINcode[((int)tc_ainp & 0x0F)]);
whismanoid 0:68e64068330f 2126 }
whismanoid 0:68e64068330f 2127
whismanoid 3:658a93dfb2d8 2128 //----------------------------------------
whismanoid 3:658a93dfb2d8 2129 // Menu item 'TK'
whismanoid 3:658a93dfb2d8 2130 // Return the physical temperature corresponding to measured voltage
whismanoid 3:658a93dfb2d8 2131 // of a type K Thermocouple (TC).
whismanoid 3:658a93dfb2d8 2132 //
whismanoid 3:658a93dfb2d8 2133 // @pre {0}.RTD_Temperature = cold junction temperature, in degrees C
whismanoid 3:658a93dfb2d8 2134 // @param[in] tc_voltage = Thermocouple voltage in volts, default=0.0254
whismanoid 3:658a93dfb2d8 2135 //
whismanoid 3:658a93dfb2d8 2136 // @return ideal temperature in degrees C, calculated from RTD resistance in ohms
whismanoid 19:50cf5da53d36 2137 // @test tinyTester.blink_time_msec = 20 // quickly speed through the software verification
whismanoid 19:50cf5da53d36 2138 // @test group TC_1 TemperatureOfTC_TypeK(0.000e-3) expect 0.0 within 0.1 // TC_TypeK at 0C = 0.000mV
whismanoid 19:50cf5da53d36 2139 // @test group TC_1 TemperatureOfTC_TypeK(0.039e-3) expect 1.0 within 0.1 // TC_TypeK at 1C = 0.039mV
whismanoid 19:50cf5da53d36 2140 // @test group TC_1 TemperatureOfTC_TypeK(0.079e-3) expect 2.0 within 0.1 // TC_TypeK at 2C = 0.079mV
whismanoid 19:50cf5da53d36 2141 // @test group TC_1 TemperatureOfTC_TypeK(0.119e-3) expect 3.0 within 0.1 // TC_TypeK at 3C = 0.119mV
whismanoid 19:50cf5da53d36 2142 // @test group TC_2 TemperatureOfTC_TypeK(0.158e-3) expect 4.0 within 0.1 // TC_TypeK at 4C = 0.158mV
whismanoid 19:50cf5da53d36 2143 // @test group TC_2 TemperatureOfTC_TypeK(0.198e-3) expect 5.0 within 0.1 // TC_TypeK at 5C = 0.198mV
whismanoid 19:50cf5da53d36 2144 // @test group TC_2 TemperatureOfTC_TypeK(0.238e-3) expect 6.0 within 0.1 // TC_TypeK at 6C = 0.238mV
whismanoid 19:50cf5da53d36 2145 // @test group TC_2 TemperatureOfTC_TypeK(0.2775e-3) expect 7.0 within 0.1 // TC_TypeK at 7C = 0.2775mV
whismanoid 19:50cf5da53d36 2146 // @test group TC_2 TemperatureOfTC_TypeK(0.317e-3) expect 8.0 within 0.1 // TC_TypeK at 8C = 0.317mV
whismanoid 19:50cf5da53d36 2147 // @test group TC_2 TemperatureOfTC_TypeK(0.357e-3) expect 9.0 within 0.1 // TC_TypeK at 9C = 0.357mV
whismanoid 19:50cf5da53d36 2148 // @test group TC_1 TemperatureOfTC_TypeK(0.397e-3) expect 10.0 within 0.1 // TC_TypeK at 10C = 0.397mV
whismanoid 19:50cf5da53d36 2149 // @test group TC_1 TemperatureOfTC_TypeK(0.798e-3) expect 20.0 within 0.1 // TC_TypeK at 20C = 0.798mV
whismanoid 19:50cf5da53d36 2150 // @test group TC_1 TemperatureOfTC_TypeK(1.081e-3) expect 27.0 within 0.1 // TC_TypeK at 27C = 1.081mV
whismanoid 19:50cf5da53d36 2151 // @test group TC_1 TemperatureOfTC_TypeK(1.203e-3) expect 30.0 within 0.1 // TC_TypeK at 30C = 1.203mV
whismanoid 19:50cf5da53d36 2152 // @test group TC_1 TemperatureOfTC_TypeK(1.612e-3) expect 40.0 within 0.1 // TC_TypeK at 40C = 1.612mV
whismanoid 19:50cf5da53d36 2153 // @test group TC_1 TemperatureOfTC_TypeK(2.023e-3) expect 50.0 within 0.1 // TC_TypeK at 50C = 2.023mV
whismanoid 19:50cf5da53d36 2154 // @test group TC_1 TemperatureOfTC_TypeK(2.436e-3) expect 60.0 within 0.1 // TC_TypeK at 60C = 2.436mV
whismanoid 19:50cf5da53d36 2155 // @test group TC_1 TemperatureOfTC_TypeK(2.851e-3) expect 70.0 within 0.1 // TC_TypeK at 70C = 2.851mV
whismanoid 19:50cf5da53d36 2156 // @test group TC_1 TemperatureOfTC_TypeK(3.267e-3) expect 80.0 within 0.1 // TC_TypeK at 80C = 3.267mV
whismanoid 19:50cf5da53d36 2157 // @test group TC_1 TemperatureOfTC_TypeK(3.682e-3) expect 90.0 within 0.1 // TC_TypeK at 90C = 3.682mV
whismanoid 19:50cf5da53d36 2158 // @test group TC_1 TemperatureOfTC_TypeK(4.096e-3) expect 100.0 within 0.1 // TC_TypeK at 100C = 4.096mV
whismanoid 19:50cf5da53d36 2159 // @test group TC_2 TemperatureOfTC_TypeK(4.509e-3) expect 110.0 within 0.1 // TC_TypeK at 110C = 4.509mV
whismanoid 19:50cf5da53d36 2160 // @test group TC_2 TemperatureOfTC_TypeK(4.920e-3) expect 120.0 within 0.1 // TC_TypeK at 120C = 4.920mV
whismanoid 19:50cf5da53d36 2161 // @test group TC_2 TemperatureOfTC_TypeK(5.328e-3) expect 130.0 within 0.1 // TC_TypeK at 130C = 5.328mV
whismanoid 19:50cf5da53d36 2162 // @test group TC_2 TemperatureOfTC_TypeK(5.735e-3) expect 140.0 within 0.1 // TC_TypeK at 140C = 5.735mV
whismanoid 19:50cf5da53d36 2163 // @test group TC_2 TemperatureOfTC_TypeK(6.138e-3) expect 150.0 within 0.1 // TC_TypeK at 150C = 6.138mV
whismanoid 19:50cf5da53d36 2164 // @test group TC_2 TemperatureOfTC_TypeK(6.540e-3) expect 160.0 within 0.1 // TC_TypeK at 160C = 6.540mV
whismanoid 19:50cf5da53d36 2165 // @test group TC_2 TemperatureOfTC_TypeK(6.941e-3) expect 170.0 within 0.1 // TC_TypeK at 170C = 6.941mV
whismanoid 19:50cf5da53d36 2166 // @test group TC_2 TemperatureOfTC_TypeK(7.340e-3) expect 180.0 within 0.1 // TC_TypeK at 180C = 7.340mV
whismanoid 19:50cf5da53d36 2167 // @test group TC_1 TemperatureOfTC_TypeK(7.739e-3) expect 190.0 within 0.1 // TC_TypeK at 190C = 7.739mV
whismanoid 19:50cf5da53d36 2168 // @test group TC_1 TemperatureOfTC_TypeK(8.138e-3) expect 200.0 within 0.1 // TC_TypeK at 200C = 8.138mV
whismanoid 19:50cf5da53d36 2169 // @test group TC_1 TemperatureOfTC_TypeK(8.539e-3) expect 210.0 within 0.1 // TC_TypeK at 210C = 8.539mV
whismanoid 19:50cf5da53d36 2170 // @test group TC_1 TemperatureOfTC_TypeK(8.940e-3) expect 220.0 within 0.1 // TC_TypeK at 220C = 8.940mV
whismanoid 19:50cf5da53d36 2171 // @test group TC_2 TemperatureOfTC_TypeK(9.343e-3) expect 230.0 within 0.1 // TC_TypeK at 230C = 9.343mV
whismanoid 19:50cf5da53d36 2172 // @test group TC_2 TemperatureOfTC_TypeK(9.747e-3) expect 240.0 within 0.1 // TC_TypeK at 240C = 9.747mV
whismanoid 19:50cf5da53d36 2173 // @test group TC_2 TemperatureOfTC_TypeK(10.153e-3) expect 250.0 within 0.1 // TC_TypeK at 250C = 10.153mV
whismanoid 19:50cf5da53d36 2174 // @test group TC_2 TemperatureOfTC_TypeK(10.561e-3) expect 260.0 within 0.1 // TC_TypeK at 260C = 10.561mV
whismanoid 19:50cf5da53d36 2175 // @test group TC_2 TemperatureOfTC_TypeK(10.971e-3) expect 270.0 within 0.1 // TC_TypeK at 270C = 10.971mV
whismanoid 19:50cf5da53d36 2176 // @test group TC_2 TemperatureOfTC_TypeK(11.382e-3) expect 280.0 within 0.1 // TC_TypeK at 280C = 11.382mV
whismanoid 19:50cf5da53d36 2177 // @test group TC_2 TemperatureOfTC_TypeK(11.795e-3) expect 290.0 within 0.1 // TC_TypeK at 290C = 11.795mV
whismanoid 19:50cf5da53d36 2178 // @test group TC_1 TemperatureOfTC_TypeK(12.209e-3) expect 300.0 within 0.1 // TC_TypeK at 300C = 12.209mV
whismanoid 19:50cf5da53d36 2179 // @test group TC_2 TemperatureOfTC_TypeK(14.293e-3) expect 350.0 within 0.1 // TC_TypeK at 350C = 14.293mV
whismanoid 19:50cf5da53d36 2180 // @test group TC_1 TemperatureOfTC_TypeK(16.397e-3) expect 400.0 within 0.1 // TC_TypeK at 400C = 16.397mV
whismanoid 19:50cf5da53d36 2181 // @test group TC_1 TemperatureOfTC_TypeK(18.516e-3) expect 450.0 within 0.1 // TC_TypeK at 450C = 18.516mV
whismanoid 19:50cf5da53d36 2182 // @test group TC_1 TemperatureOfTC_TypeK(20.218e-3) expect 490.0 // TC_TypeK at 490C = 20.218mV
whismanoid 19:50cf5da53d36 2183 // @test tinyTester.blink_time_msec = 75 // default 75 resume hardware self test
whismanoid 3:658a93dfb2d8 2184 //
whismanoid 3:658a93dfb2d8 2185 double MAX11410::TemperatureOfTC_TypeK(double tc_voltage)
whismanoid 3:658a93dfb2d8 2186 {
whismanoid 3:658a93dfb2d8 2187
whismanoid 3:658a93dfb2d8 2188 //----------------------------------------
whismanoid 3:658a93dfb2d8 2189 // Temperature from TC_TypeK voltage maths
whismanoid 5:a2e74357cfc0 2190 // define standard TC_TypeK coefficients
whismanoid 4:c169ba85d673 2191 // ITS-90 Thermocouple Inverse Polynomial for a Type K thermocouple
whismanoid 5:a2e74357cfc0 2192 // calculate deltaT from tc_voltage
whismanoid 4:c169ba85d673 2193 //
whismanoid 4:c169ba85d673 2194 // Voltage range -5891uV < tc_voltage < 0uV,
whismanoid 4:c169ba85d673 2195 // Temperature Range -200 deg C to 0 deg C
whismanoid 4:c169ba85d673 2196 static double coefficients_TCtypeK_V_lt_0[] = {
whismanoid 4:c169ba85d673 2197 0.00000,
whismanoid 4:c169ba85d673 2198 2.5173462e-2,
whismanoid 4:c169ba85d673 2199 -1.1662878e-6,
whismanoid 4:c169ba85d673 2200 -1.0833638e-9,
whismanoid 4:c169ba85d673 2201 -8.9773540e-13,
whismanoid 4:c169ba85d673 2202 -3.7342377e-16,
whismanoid 4:c169ba85d673 2203 -8.6632643e-20,
whismanoid 4:c169ba85d673 2204 -1.0450598e-23,
whismanoid 4:c169ba85d673 2205 -5.1920577e-28,
whismanoid 4:c169ba85d673 2206 };
whismanoid 4:c169ba85d673 2207 //
whismanoid 4:c169ba85d673 2208 // Voltage range 0uV < tc_voltage < 20.644uV,
whismanoid 4:c169ba85d673 2209 // Temperature Range 0 deg C to 500 deg C
whismanoid 4:c169ba85d673 2210 static double coefficients_TCtypeK_0_lt_V_lt_20u644V[] = {
whismanoid 4:c169ba85d673 2211 0.00000,
whismanoid 4:c169ba85d673 2212 2.508355e-2,
whismanoid 4:c169ba85d673 2213 7.860106e-8,
whismanoid 4:c169ba85d673 2214 -2.503131e-10,
whismanoid 4:c169ba85d673 2215 8.315270e-14,
whismanoid 4:c169ba85d673 2216 -1.228034e-17,
whismanoid 4:c169ba85d673 2217 9.804036e-22,
whismanoid 4:c169ba85d673 2218 -4.413030e-26,
whismanoid 4:c169ba85d673 2219 1.057734e-30,
whismanoid 4:c169ba85d673 2220 -1.052755e-35,
whismanoid 4:c169ba85d673 2221 };
whismanoid 4:c169ba85d673 2222 //
whismanoid 4:c169ba85d673 2223 // Voltage range 20.6440uV < tc_voltage < 54.886uV,
whismanoid 4:c169ba85d673 2224 // Temperature Range 500 deg C to 1372 deg C
whismanoid 4:c169ba85d673 2225 static double coefficients_TCtypeK_20u644V_lt_V_lt_54u886V[] = {
whismanoid 4:c169ba85d673 2226 -1.318058e2,
whismanoid 4:c169ba85d673 2227 4.830222e-2,
whismanoid 4:c169ba85d673 2228 -1.646031e-6,
whismanoid 4:c169ba85d673 2229 5.464731e-11,
whismanoid 4:c169ba85d673 2230 -9.650715e-16,
whismanoid 4:c169ba85d673 2231 8.802193e-21,
whismanoid 4:c169ba85d673 2232 -3.110810e-26,
whismanoid 4:c169ba85d673 2233 };
whismanoid 4:c169ba85d673 2234 //
whismanoid 3:658a93dfb2d8 2235 double deltaT = 0;
whismanoid 4:c169ba85d673 2236 double thermocouple_voltage_uV = tc_voltage * 1e6;
whismanoid 4:c169ba85d673 2237 if (thermocouple_voltage_uV < 0)
whismanoid 4:c169ba85d673 2238 {
whismanoid 4:c169ba85d673 2239 // Voltage range -5891uV < DMMavg < 0uV, Temperature Range -200 deg C to 0 deg C
whismanoid 4:c169ba85d673 2240 deltaT = temperatureDegC_polynomial(thermocouple_voltage_uV, 9, coefficients_TCtypeK_V_lt_0);
whismanoid 4:c169ba85d673 2241 }
whismanoid 4:c169ba85d673 2242 else if (thermocouple_voltage_uV > 20644)
whismanoid 4:c169ba85d673 2243 {
whismanoid 4:c169ba85d673 2244 // Voltage range 206440uV < DMMavg < 54886uV, Temperature Range 500 deg C to 1372 deg C
whismanoid 4:c169ba85d673 2245 deltaT = temperatureDegC_polynomial(thermocouple_voltage_uV, 7, coefficients_TCtypeK_20u644V_lt_V_lt_54u886V);
whismanoid 4:c169ba85d673 2246 }
whismanoid 4:c169ba85d673 2247 else
whismanoid 4:c169ba85d673 2248 {
whismanoid 4:c169ba85d673 2249 // Voltage range 0uV < DMMavg < 20.644uV, Temperature Range 0 deg C to 500 deg C
whismanoid 4:c169ba85d673 2250 deltaT = temperatureDegC_polynomial(thermocouple_voltage_uV, 10, coefficients_TCtypeK_0_lt_V_lt_20u644V);
whismanoid 4:c169ba85d673 2251 }
whismanoid 4:c169ba85d673 2252 return deltaT; // + RTD_Temperature; // cold junction
whismanoid 4:c169ba85d673 2253 }
whismanoid 4:c169ba85d673 2254
whismanoid 4:c169ba85d673 2255 //----------------------------------------
whismanoid 4:c169ba85d673 2256 // Calculate temperature in degrees C from input voltage,
whismanoid 4:c169ba85d673 2257 // using a given set of polynomial coefficients.
whismanoid 4:c169ba85d673 2258 // For example:
whismanoid 4:c169ba85d673 2259 //
whismanoid 4:c169ba85d673 2260 // t = coefficients[0] + coefficients[1] * DMMavg + coefficients[2] * DmMMavg**2
whismanoid 4:c169ba85d673 2261 //
whismanoid 4:c169ba85d673 2262 // @param[in] thermocouple_voltage_uV = Thermocouple voltage in microvolts
whismanoid 4:c169ba85d673 2263 //
whismanoid 4:c169ba85d673 2264 // @return ideal temperature in degrees C, calculated from polynomial coefficients
whismanoid 4:c169ba85d673 2265 //
whismanoid 4:c169ba85d673 2266 double MAX11410::temperatureDegC_polynomial(double thermocouple_voltage_uV, int num_coefficients, double coefficients[])
whismanoid 4:c169ba85d673 2267 {
whismanoid 4:c169ba85d673 2268
whismanoid 4:c169ba85d673 2269 //----------------------------------------
whismanoid 4:c169ba85d673 2270 // warning -- WIP work in progress
whismanoid 4:c169ba85d673 2271 #warning "Not Tested Yet: MAX11410::temperatureDegC_polynomial..."
whismanoid 4:c169ba85d673 2272
whismanoid 4:c169ba85d673 2273 //----------------------------------------
whismanoid 4:c169ba85d673 2274 // Temperature from polynomial coefficients maths
whismanoid 4:c169ba85d673 2275 double temperatureDegC = 0;
whismanoid 4:c169ba85d673 2276 int index;
whismanoid 4:c169ba85d673 2277 for (index = num_coefficients-1; index >= 0; index--)
whismanoid 4:c169ba85d673 2278 {
whismanoid 4:c169ba85d673 2279 temperatureDegC = (temperatureDegC * thermocouple_voltage_uV) + coefficients[index];
whismanoid 4:c169ba85d673 2280 }
whismanoid 4:c169ba85d673 2281 return temperatureDegC;
whismanoid 3:658a93dfb2d8 2282 }
whismanoid 3:658a93dfb2d8 2283
whismanoid 0:68e64068330f 2284
whismanoid 0:68e64068330f 2285 // End of file