Diff: MAX11410.cpp

Revision:

19:8f951e448ab1

Child:

20:97dccb1c9b61

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/MAX11410.cpp	Wed Jul 24 23:16:08 2019 -0700
@@ -0,0 +1,598 @@
+// /*******************************************************************************
+// * Copyright (C) 2019 Maxim Integrated Products, Inc., All Rights Reserved.
+// *
+// * Permission is hereby granted, free of charge, to any person obtaining a
+// * copy of this software and associated documentation files (the "Software"),
+// * to deal in the Software without restriction, including without limitation
+// * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+// * and/or sell copies of the Software, and to permit persons to whom the
+// * Software is furnished to do so, subject to the following conditions:
+// *
+// * The above copyright notice and this permission notice shall be included
+// * in all copies or substantial portions of the Software.
+// *
+// * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+// * IN NO EVENT SHALL MAXIM INTEGRATED BE LIABLE FOR ANY CLAIM, DAMAGES
+// * OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+// * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+// * OTHER DEALINGS IN THE SOFTWARE.
+// *
+// * Except as contained in this notice, the name of Maxim Integrated
+// * Products, Inc. shall not be used except as stated in the Maxim Integrated
+// * Products, Inc. Branding Policy.
+// *
+// * The mere transfer of this software does not imply any licenses
+// * of trade secrets, proprietary technology, copyrights, patents,
+// * trademarks, maskwork rights, or any other form of intellectual
+// * property whatsoever. Maxim Integrated Products, Inc. retains all
+// * ownership rights.
+// *******************************************************************************
+// */
+// *********************************************************************
+// @file MAX11410.cpp
+// *********************************************************************
+// Device Driver file
+// DO NOT EDIT; except areas designated "CUSTOMIZE". Automatically generated file.
+// generated by XMLSystemOfDevicesToMBED.py
+// System Name = ExampleSystem
+// System Description = Device driver example
+
+#include "MAX11410.h"
+
+// Device Name = MAX11410
+// Device Description = 1.9ksps, Low-Power, Serial SPI 24-Bit, 10-Channel, Differential/Single-Ended Input, SAR ADC
+// Device Manufacturer = Maxim Integrated
+// Device PartNumber = MAX11410ATI+
+// Device RegValue_Width = DataWidth16bit_HL
+//
+// SPI CS = ActiveLow
+// SPI FrameStart = CS
+// SPI CPOL = 0
+// SPI CPHA = 0
+// SPI MOSI and MISO Data are both stable on Rising edge of SCLK
+// SPI SCLK Idle Low
+// SPI SCLKMaxMHz = 8
+// SPI SCLKMinMHz = 0
+//
+
+// CODE GENERATOR: class constructor definition
+MAX11410::MAX11410(SPI &spi, DigitalOut &cs_pin, // SPI interface
+                 // CODE GENERATOR: class constructor definition gpio InputPin pins
+                 // CODE GENERATOR: class constructor definition gpio OutputPin pins
+                 // CODE GENERATOR: class constructor definition ic_variant
+                 MAX11410_ic_t ic_variant)
+    // CODE GENERATOR: class constructor initializer list
+    : m_spi(spi), m_cs_pin(cs_pin), // SPI interface
+    // CODE GENERATOR: class constructor initializer list gpio InputPin pins
+    // CODE GENERATOR: class constructor initializer list gpio OutputPin pins
+    // CODE GENERATOR: class constructor initializer list ic_variant
+    m_ic_variant(ic_variant)
+{
+    // CODE GENERATOR: class constructor definition SPI interface initialization
+    //
+    // SPI CS = ActiveLow
+    // SPI FrameStart = CS
+    m_SPI_cs_state = 1;
+    m_cs_pin = m_SPI_cs_state;
+
+    // SPI CPOL = 0
+    // SPI CPHA = 0
+    // SPI MOSI and MISO Data are both stable on Rising edge of SCLK
+    // SPI SCLK Idle Low
+    m_SPI_dataMode = 0; //SPI_MODE0 // CPOL=0,CPHA=0: Rising Edge stable; SCLK idle Low
+    m_spi.format(8,m_SPI_dataMode);         // int bits_must_be_8, int mode=0_3 CPOL=0,CPHA=0
+
+    // SPI SCLKMaxMHz = 8
+    // SPI SCLKMinMHz = 0
+    //#define SPI_SCLK_Hz 48000000 // 48MHz
+    //#define SPI_SCLK_Hz 24000000 // 24MHz
+    //#define SPI_SCLK_Hz 12000000 // 12MHz
+    //#define SPI_SCLK_Hz 4000000 // 4MHz
+    //#define SPI_SCLK_Hz 2000000 // 2MHz
+    //#define SPI_SCLK_Hz 1000000 // 1MHz
+    m_SPI_SCLK_Hz = 8000000; // 8MHz; MAX11410 limit is 8MHz
+    m_spi.frequency(m_SPI_SCLK_Hz);
+
+}
+
+// CODE GENERATOR: class destructor definition
+MAX11410::~MAX11410()
+{
+    // do nothing
+}
+
+// CODE GENERATOR: spi_frequency setter definition
+/// set SPI SCLK frequency
+void MAX11410::spi_frequency(int spi_sclk_Hz)
+{
+    m_SPI_SCLK_Hz = spi_sclk_Hz;
+    m_spi.frequency(m_SPI_SCLK_Hz);
+}
+
+// CODE GENERATOR: omit global g_MAX11410_device
+// CODE GENERATOR: extern function declarations
+// CODE GENERATOR: extern function requirement MAX11410::SPIoutputCS
+// Assert SPI Chip Select
+// SPI chip-select for MAX11410
+//
+void MAX11410::SPIoutputCS(int isLogicHigh)
+{
+    // CODE GENERATOR: extern function definition for function SPIoutputCS
+    // CODE GENERATOR: extern function definition for standard SPI interface function SPIoutputCS(int isLogicHigh)
+    m_SPI_cs_state = isLogicHigh;
+    m_cs_pin = m_SPI_cs_state;
+}
+
+// CODE GENERATOR: extern function requirement MAX11410::SPIwrite16bits
+// SPI write 16 bits
+// SPI interface to MAX11410 shift 16 bits mosiData into MAX11410 DIN
+//
+void MAX11410::SPIwrite16bits(int16_t mosiData16)
+{
+    // CODE GENERATOR: extern function definition for function SPIwrite16bits
+    // TODO1: CODE GENERATOR: extern function definition for standard SPI interface function SPIwrite16bits(int16_t mosiData16)
+    size_t byteCount = 2;
+    static char mosiData[2];
+    static char misoData[2];
+    mosiData[0] = (char)((mosiData16 >> 8) & 0xFF); // MSByte
+    mosiData[1] = (char)((mosiData16 >> 0) & 0xFF); // LSByte
+    //
+    // Arduino: begin critical section: noInterrupts() masks all interrupt sources; end critical section with interrupts()
+    //~ noInterrupts();
+    //
+    //~ digitalWrite(Scope_Trigger_Pin, LOW); // diagnostic Scope_Trigger_Pin
+    //
+    unsigned int numBytesTransferred = m_spi.write(mosiData, byteCount, misoData, byteCount);
+    //~ m_spi.transfer(mosiData8_FF0000);
+    //~ m_spi.transfer(mosiData16_00FF00);
+    //~ m_spi.transfer(mosiData16_0000FF);
+    //
+    //~ digitalWrite(Scope_Trigger_Pin, HIGH); // diagnostic Scope_Trigger_Pin
+    //
+    // Arduino: begin critical section: noInterrupts() masks all interrupt sources; end critical section with interrupts()
+    //~ interrupts();
+    //
+    // VERIFY: SPIwrite24bits print diagnostic information
+    //cmdLine.serial().printf(" MOSI->"));
+    //cmdLine.serial().printf(" 0x"));
+    //Serial.print( (mosiData8_FF0000 & 0xFF), HEX);
+    //cmdLine.serial().printf(" 0x"));
+    //Serial.print( (mosiData16_00FF00 & 0xFF), HEX);
+    //cmdLine.serial().printf(" 0x"));
+    //Serial.print( (mosiData16_0000FF & 0xFF), HEX);
+    // hex dump mosiData[0..byteCount-1]
+#if 0 // HAS_MICROUSBSERIAL
+    cmdLine_microUSBserial.serial().printf("\r\nSPI");
+    if (byteCount > 7) {
+        cmdLine_microUSBserial.serial().printf(" byteCount:%d", byteCount);
+    }
+    cmdLine_microUSBserial.serial().printf(" MOSI->");
+    for (unsigned int byteIndex = 0; byteIndex < byteCount; byteIndex++)
+    {
+        cmdLine_microUSBserial.serial().printf(" 0x%2.2X", mosiData[byteIndex]);
+    }
+    // hex dump misoData[0..byteCount-1]
+    cmdLine_microUSBserial.serial().printf("  MISO<-");
+    for (unsigned int byteIndex = 0; byteIndex < numBytesTransferred; byteIndex++)
+    {
+        cmdLine_microUSBserial.serial().printf(" 0x%2.2X", misoData[byteIndex]);
+    }
+    cmdLine_microUSBserial.serial().printf(" ");
+#endif
+#if 0 // HAS_DAPLINK_SERIAL
+    cmdLine_DAPLINKserial.serial().printf("\r\nSPI");
+    if (byteCount > 7) {
+        cmdLine_DAPLINKserial.serial().printf(" byteCount:%d", byteCount);
+    }
+    cmdLine_DAPLINKserial.serial().printf(" MOSI->");
+    for (unsigned int byteIndex = 0; byteIndex < byteCount; byteIndex++)
+    {
+        cmdLine_DAPLINKserial.serial().printf(" 0x%2.2X", mosiData[byteIndex]);
+    }
+    // hex dump misoData[0..byteCount-1]
+    cmdLine_DAPLINKserial.serial().printf("  MISO<-");
+    for (unsigned int byteIndex = 0; byteIndex < numBytesTransferred; byteIndex++)
+    {
+        cmdLine_DAPLINKserial.serial().printf(" 0x%2.2X", misoData[byteIndex]);
+    }
+    cmdLine_DAPLINKserial.serial().printf(" ");
+#endif
+    // VERIFY: DIAGNOSTIC: print MAX5715 device register write
+    // TODO: MAX5715_print_register_verbose(mosiData8_FF0000, mosiData16_00FFFF);
+    // TODO: print_verbose_SPI_diagnostic(mosiData16_FF00, mosiData16_00FF, misoData16_FF00, misoData16_00FF);
+    //
+    // int misoData16 = (misoData16_FF00 << 8) | misoData16_00FF;
+    // return misoData16;
+}
+
+// CODE GENERATOR: class member function definitions
+//----------------------------------------
+// Initialize device
+// @return 1 on success; 0 on failure
+uint8_t MAX11410::Init(void)
+{
+    
+    //----------------------------------------
+    // Nominal Full-Scale Voltage Reference
+    VRef = 2.500;
+    
+    //----------------------------------------
+    // success
+    return 1;
+}
+
+//----------------------------------------
+// Return the physical voltage corresponding to DAC register.
+// Does not perform any offset or gain correction.
+//
+// @pre VRef = Voltage of REF input, in Volts
+// @param[in] value_u24: raw 24-bit MAX11410 code (right justified).
+// @return physical voltage corresponding to MAX11410 code.
+double MAX11410::VoltageOfCode(uint16_t value_u24)
+{
+    
+    //----------------------------------------
+    // Linear map min and max endpoints
+    double MaxScaleVoltage = VRef; // voltage of maximum code 0xffffff
+    double MinScaleVoltage = 0.0; // voltage of minimum code 0x000
+    const uint16_t FULL_SCALE_CODE_24BIT = 0xffffff;
+    const uint16_t MaxCode = FULL_SCALE_CODE_24BIT;
+    const uint16_t MinCode = 0x000;
+    double codeFraction = ((double)value_u24 - MinCode) / (MaxCode - MinCode + 1);
+    return MinScaleVoltage + ((MaxScaleVoltage - MinScaleVoltage) * codeFraction);
+}
+
+//----------------------------------------
+// Write an 8-bit MAX11410 register
+//
+// CMD_1xxx_xxx_REGISTER_READ bit is cleared 0.
+//
+// SPI 16-bit transfer
+//
+// SPI MOSI = 0aaa_aaaa_dddd_dddd
+//
+// SPI MISO = xxxx_xxxx_xxxx_xxxx
+//
+// @return 1 on success; 0 on failure
+uint8_t MAX11410::Write_8bit(MAX11410_CMD_enum_t regAddress, uint8_t regData)
+{
+    
+    //----------------------------------------
+    // SPI write 16-bit mosiData16
+    SPIoutputCS(0);
+    SPIwrite16bits(mosiData16);
+    SPIoutputCS(1);
+    
+    //----------------------------------------
+    // success
+    return 1;
+}
+
+//----------------------------------------
+// Read an 8-bit MAX11410 register
+//
+// CMD_1xxx_xxx_REGISTER_READ bit is set 1.
+//
+// SPI 16-bit transfer
+//
+// SPI MOSI = 1aaa_aaaa_0000_0000
+//
+// SPI MISO = xxxx_xxxx_dddd_dddd
+//
+// @return 1 on success; 0 on failure
+uint8_t MAX11410::Read_8bit(MAX11410_CMD_enum_t regAddress, uint8_t* ptrRegData)
+{
+    
+    //----------------------------------------
+    // SPI write 16-bit mosiData16
+    SPIoutputCS(0);
+    SPIwrite16bits(mosiData16);
+    SPIoutputCS(1);
+    
+    //----------------------------------------
+    // success
+    return 1;
+}
+
+//----------------------------------------
+// Write a 16-bit MAX11410 register
+//
+// CMD_1xxx_xxx_REGISTER_READ bit is cleared 0.
+//
+// SPI 24-bit transfer
+//
+// SPI MOSI = 0aaa_aaaa_dddd_dddd_dddd_dddd
+//
+// SPI MISO = xxxx_xxxx_xxxx_xxxx_xxxx_xxxx
+//
+// @return 1 on success; 0 on failure
+uint8_t MAX11410::Write_16bit(MAX11410_CMD_enum_t regAddress, uint16_t regData)
+{
+    
+    //----------------------------------------
+    // SPI write 16-bit mosiData16
+    SPIoutputCS(0);
+    SPIwrite16bits(mosiData16);
+    SPIoutputCS(1);
+    
+    //----------------------------------------
+    // success
+    return 1;
+}
+
+//----------------------------------------
+// Read a 16-bit MAX11410 register
+//
+// CMD_1xxx_xxx_REGISTER_READ bit is set 1.
+//
+// SPI 24-bit transfer
+//
+// SPI MOSI = 1aaa_aaaa_0000_0000_0000_0000
+//
+// SPI MISO = xxxx_xxxx_dddd_dddd_dddd_dddd
+//
+// @return 1 on success; 0 on failure
+uint8_t MAX11410::Read_16bit(MAX11410_CMD_enum_t regAddress, uint16_t* ptrRegData)
+{
+    
+    //----------------------------------------
+    // SPI write 16-bit mosiData16
+    SPIoutputCS(0);
+    SPIwrite16bits(mosiData16);
+    SPIoutputCS(1);
+    
+    //----------------------------------------
+    // success
+    return 1;
+}
+
+//----------------------------------------
+// Write a 24-bit MAX11410 register
+//
+// CMD_1xxx_xxx_REGISTER_READ bit is cleared 0.
+//
+// SPI 32-bit transfer
+//
+// SPI MOSI = 0aaa_aaaa_dddd_dddd_dddd_dddd_dddd_dddd
+//
+// SPI MISO = xxxx_xxxx_xxxx_xxxx_xxxx_xxxx_xxxx_xxxx
+//
+// @return 1 on success; 0 on failure
+uint8_t MAX11410::Write_24bit(MAX11410_CMD_enum_t regAddress, uint32_t regData)
+{
+    
+    //----------------------------------------
+    // SPI write 16-bit mosiData16
+    SPIoutputCS(0);
+    SPIwrite16bits(mosiData16);
+    SPIoutputCS(1);
+    
+    //----------------------------------------
+    // success
+    return 1;
+}
+
+//----------------------------------------
+// Read a 24-bit MAX11410 register
+//
+// CMD_1xxx_xxx_REGISTER_READ bit is set 1.
+//
+// SPI 32-bit transfer
+//
+// SPI MOSI = 1aaa_aaaa_0000_0000_0000_0000_0000_0000
+//
+// SPI MISO = xxxx_xxxx_dddd_dddd_dddd_dddd_dddd_dddd
+//
+// @return 1 on success; 0 on failure
+uint8_t MAX11410::Read_24bit(MAX11410_CMD_enum_t regAddress, uint32_t* ptrRegData)
+{
+    
+    //----------------------------------------
+    // SPI write 16-bit mosiData16
+    SPIoutputCS(0);
+    SPIwrite16bits(mosiData16);
+    SPIoutputCS(1);
+    
+    //----------------------------------------
+    // success
+    return 1;
+}
+
+//----------------------------------------
+// Configure Measurement for voltage input.
+//
+// Example code for typical voltage measurement.
+//
+// SPI register write sequence test AIN0-AGND voltage input using REF2=2.5V
+// write8 0x00 PD = 0x03 (Reset Registers; enter Standby mode)
+// write8 0x00 PD = 0x00 (NOP)
+// write8 0x08 FILTER = 0x34 to select RATE_0100, LINEF_11_SINC4 60SPS (given CONV_TYPE_01_Continuous )
+// write8 0x0B MUX_CTRL0 = 0x0A to select AINP=AIN0 and AINN=GND
+// 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
+// write8 0x0E PGA = 0x00 to select input path = Buffers, digital gain = 1V/V
+// write8 0x01 CONV_START = 0x01 to set Conversion Mode = Continuous
+// read24 0x80|0x38 STATUS (%SW 0xB8 0 0 0)
+// read24 0x80|0x30 DATA0 (%SW 0xB0 0 0 0)
+//
+// @param[in] channel_hi = channel high side
+// @param[in] channel_lo = channel low side
+//
+// @return 1 on success; 0 on failure
+uint8_t MAX11410::Configure_Voltage(MAX11410_AINP_SEL_enum_t channel_hi, MAX11410_AINN_SEL_enum_t channel_lo)
+{
+    
+    //----------------------------------------
+    // write8 0x00 PD = 0x03 (Reset Registers; enter Standby mode)
+    write8(CMD_r000_0000_xxxx_xxdd_PD, PD_11_Reset);
+    
+    //----------------------------------------
+    // write8 0x00 PD = 0x00 (NOP)
+    write8(CMD_r000_0000_xxxx_xxdd_PD, PD_00_Normal);
+    
+    //----------------------------------------
+    // write8 0x08 FILTER = 0x34 to select RATE_0100, LINEF_11_SINC4 60SPS (given CONV_TYPE_01_Continuous)
+    write8(CMD_r000_1000_x0dd_dddd_FILTER, 0x34);
+    
+    //----------------------------------------
+    // write8 0x0B MUX_CTRL0 = 0x0A to select AINP=AIN0 and AINN=GND
+    write8(CMD_r000_1011_dddd_dddd_MUX_CTRL0, 0x0A);
+    
+    //----------------------------------------
+    // 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
+    write8(CMD_r000_1001_dddd_dddd_CTRL, 0x02);
+    
+    //----------------------------------------
+    // write8 0x0E PGA = 0x00 to select input path = Buffers, digital gain = 1V/V
+    write8(CMD_r000_1110_xxdd_xddd_PGA, 0x00);
+    
+    //----------------------------------------
+    // write8 0x01 CONV_START = 0x01 to set Conversion Mode = Continuous
+    write8(CMD_r000_0001_xddd_xxdd_CONV_START, 0x01);
+    
+    //----------------------------------------
+    // read24 0x80|0x38 STATUS (%SW 0xB8 0 0 0)
+    read24(CMD_r011_1000_dddd_dddd_dddd_dddd_dxxx_dddd_STATUS, xxxx);
+    
+    //----------------------------------------
+    // read24 0x80|0x30 DATA0 (%SW 0xB0 0 0 0)
+    read24(CMD_r011_0000_dddd_dddd_dddd_dddd_dddd_dddd_DATA0, xxxx);
+    
+    //----------------------------------------
+    // SPI write 16-bit mosiData16
+    SPIoutputCS(0);
+    SPIwrite16bits(mosiData16);
+    SPIoutputCS(1);
+    
+    //----------------------------------------
+    // success
+    return 1;
+}
+
+//----------------------------------------
+// Trigger Measurement for voltage input.
+//
+// Example code for typical voltage measurement.
+//
+// @param[in] channel_hi = channel high side
+// @param[in] channel_lo = channel low side
+// @post TODO: where does the measurement go? struct member?
+//
+// @return 1 on success; 0 on failure
+uint8_t MAX11410::Measure_Voltage(MAX11410_AINP_SEL_enum_t channel_hi, MAX11410_AINN_SEL_enum_t channel_lo)
+{
+    
+    //----------------------------------------
+    // SPI write 16-bit mosiData16
+    SPIoutputCS(0);
+    SPIwrite16bits(mosiData16);
+    SPIoutputCS(1);
+    
+    //----------------------------------------
+    // success
+    return 1;
+}
+
+//----------------------------------------
+// Configure Measurement for Resistive Temperature Device (RTD).
+//
+// Example code for typical RTD measurement.
+//
+// @param[in] channel_RTD_Force = channel RTD high side force
+// @param[in] channel_RTD_Hi = channel RTD high side sense
+// @param[in] channel_RTD_Lo = channel RTD low side
+//
+// @return 1 on success; 0 on failure
+uint8_t MAX11410::Configure_RTD(MAX11410_AINP_SEL_enum_t channel_RTD_Force, MAX11410_AINP_SEL_enum_t channel_RTD_Hi, MAX11410_AINN_SEL_enum_t channel_RTD_Lo)
+{
+    
+    //----------------------------------------
+    // SPI write 16-bit mosiData16
+    SPIoutputCS(0);
+    SPIwrite16bits(mosiData16);
+    SPIoutputCS(1);
+    
+    //----------------------------------------
+    // success
+    return 1;
+}
+
+//----------------------------------------
+// Trigger Measurement for Resistive Temperature Device (RTD).
+//
+// Example code for typical RTD measurement.
+//
+// @param[in] channel_RTD_Force = channel RTD high side force
+// @param[in] channel_RTD_Hi = channel RTD high side sense
+// @param[in] channel_RTD_Lo = channel RTD low side
+// @post TODO: where does the measurement go? struct member?
+//
+// @return 1 on success; 0 on failure
+uint8_t MAX11410::Measure_RTD(MAX11410_AINP_SEL_enum_t channel_RTD_Force, MAX11410_AINP_SEL_enum_t channel_RTD_Hi, MAX11410_AINN_SEL_enum_t channel_RTD_Lo)
+{
+    
+    //----------------------------------------
+    // SPI write 16-bit mosiData16
+    SPIoutputCS(0);
+    SPIwrite16bits(mosiData16);
+    SPIoutputCS(1);
+    
+    //----------------------------------------
+    // success
+    return 1;
+}
+
+//----------------------------------------
+// Configure Measurement for Thermocouple
+//
+// Example code for typical Thermocouple measurement.
+//
+// @param[in] channel_TC_Hi = channel of Thermocouple high side
+// @param[in] channel_TC_Lo = channel of Thermocouple low side
+// @param[in] channel_RTD_Hi = channel of cold junction RTD high side
+// @param[in] channel_RTD_Lo = channel of cold junction RTD low side
+//
+// @return 1 on success; 0 on failure
+uint8_t MAX11410::Configure_Thermocouple(MAX11410_AINP_SEL_enum_t channel_TC_Hi, MAX11410_AINN_SEL_enum_t channel_TC_Lo, MAX11410_AINP_SEL_enum_t channel_RTD_Hi, MAX11410_AINP_SEL_enum_t channel_RTD_Lo)
+{
+    
+    //----------------------------------------
+    // SPI write 16-bit mosiData16
+    SPIoutputCS(0);
+    SPIwrite16bits(mosiData16);
+    SPIoutputCS(1);
+    
+    //----------------------------------------
+    // success
+    return 1;
+}
+
+//----------------------------------------
+// Trigger Measurement for Thermocouple
+//
+// Example code for typical Thermocouple measurement.
+//
+// @param[in] channel_TC_Hi = channel of Thermocouple high side
+// @param[in] channel_TC_Lo = channel of Thermocouple low side
+// @param[in] channel_RTD_Hi = channel of cold junction RTD high side
+// @param[in] channel_RTD_Lo = channel of cold junction RTD low side
+// @post TODO: where does the measurement go? struct member?
+//
+// @return 1 on success; 0 on failure
+uint8_t MAX11410::Measure_Thermocouple(MAX11410_AINP_SEL_enum_t channel_TC_Hi, MAX11410_AINN_SEL_enum_t channel_TC_Lo, MAX11410_AINP_SEL_enum_t channel_RTD_Hi, MAX11410_AINP_SEL_enum_t channel_RTD_Lo)
+{
+    
+    //----------------------------------------
+    // SPI write 16-bit mosiData16
+    SPIoutputCS(0);
+    SPIwrite16bits(mosiData16);
+    SPIoutputCS(1);
+    
+    //----------------------------------------
+    // success
+    return 1;
+}
+
+
+// End of file