Example main.c host software for the Maxim Integrated MAX30205 Extremely Accurate High Precision Human Body Temperature Sensor. Code example uses the MAX32630FTHR.
Dependencies: MAX30205_Clinical_Temperature_Sensor max32630fthr USBDevice
main.cpp
- Committer:
- phonemacro
- Date:
- 2019-04-17
- Revision:
- 2:9670fb20b9a2
- Parent:
- 1:d1f45a4ff640
File content as of revision 2:9670fb20b9a2:
/******************************************************************************* * Copyright (C) 2018 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. ******************************************************************************* */ #include "mbed.h" #include "max32630fthr.h" #include "max30205.h" #include "max30205_cpp.h" #include "max30205_c.h" #include "USBSerial.h" Serial pc(USBTX, USBRX); // Use USB debug probe for serial link Serial uart(P2_1, P2_0); void wait_sec_prompt(uint8_t time) { // Ports and serial connections uint32_t i; for (i = 0; i < time; i++) { pc.printf("."); wait(1); } pc.printf("\r\n"); } MAX32630FTHR pegasus(MAX32630FTHR::VIO_3V3); DigitalOut rLED(LED1); DigitalOut gLED(LED2); DigitalOut bLED(LED3); I2C i2cBus(P3_4, P3_5); // main() runs in its own thread in the OS // (note the calls to Thread::wait below for delays) /** * @brief Sample main program for MAX30205 * @version 1.0001.0 * * @details Sample main program for MAX30205. * The prints are sent to the terminal window (9600, 8n1). * The temperature is read in continous mode, then in shutdown mode for * C++ and C calls. * To run the program, drag and drop the .bin file into the * DAPLINK folder. After it finishes flashing, cycle the power or * reset the Pegasus after flashing by pressing the button on * the Pegasus next to the battery connector or the button * on the MAXREFDES100HDK. */ int main() { uint32_t i; float temperature; uint8_t cfg; DigitalOut rLED(LED1, LED_OFF); DigitalOut gLED(LED2, LED_OFF); DigitalOut bLED(LED3, LED_OFF); gLED = LED_ON; pc.baud(9600); // Baud rate = 115200 pc.printf("MAX30205 Clinical Temperature Sensor" " example source code.\r\n"); pc.printf("\r\n"); uint8_t i2c_addr = MAX30205_I2C_SLAVE_ADR_00; uint8_t wait_shut = 60; MAX30205 temp_sensor(i2cBus, i2c_addr); i2cBus.frequency(400000); /* Configure for time out enabled, normal format, fault filter 6, active low polarity, comparator mode, continuous */ temp_sensor.write_cfg_reg(uint8_t(MAX30205_CFG_TIMEOUT_ENABLE | MAX30205_CFG_NORMAL_FORMAT| MAX30205_CFG_FAULT_FILTER_6 | MAX30205_CFG_OS_POLARITY_ACT_LOW | MAX30205_CFG_COMPARATOR_MODE | MAX30205_CFG_CONTINUOUS)); for (i = 0; i < 5; i++) { wait(MAX30205_WAIT_CONV_TIME); temperature = temp_sensor.read_reg_as_temperature(MAX30205_REG_TEMPERATURE); pc.printf("Temperature = %3.4f Celsius, %3.4f Fahrenheit\r\n", temperature, temp_sensor.celsius_to_fahrenheit(temperature)); } temp_sensor.read_cfg_reg(&cfg); pc.printf("Configuration Register = 0x%02Xh \r\n", cfg); #if 0 temp_sensor.write_trip_low_thyst(-63.9375); temperature = temp_sensor.read_reg_as_temperature(MAX30205_REG_THYST_LOW_TRIP); pc.printf("Thyst Temperature = %3.4f Celsius, %3.4f Fahrenheit\r\n", temperature, temp_sensor.celsius_to_fahrenheit(temperature)); temp_sensor.write_trip_high_tos(64.0625f); temperature = temp_sensor.read_reg_as_temperature(MAX30205_REG_TOS_HIGH_TRIP); pc.printf("TOS Temperature = %3.4f Celsius, %3.4f Fahrenheit\r\n", temperature, temp_sensor.celsius_to_fahrenheit(temperature)); pc.printf("\r\n\r\n"); #endif pc.printf("\r\n"); temp_sensor.write_cfg_reg(uint8_t(MAX30205_CFG_ONE_SHOT_START | MAX30205_CFG_TIMEOUT_DISABLE | MAX30205_CFG_EXTENDED_FORMAT | MAX30205_CFG_FAULT_FILTER_4 | MAX30205_CFG_OS_POLARITY_ACT_LOW | MAX30205_CFG_COMPARATOR_MODE | MAX30205_CFG_SHUTDOWN)); for (i = 0; i < 8; i++) { wait_sec_prompt(wait_shut); /* leave it in shutdown mode for a while */ /* Configure for one shot, time out disabled, extended format, fault filter 4, active low polarity, comparator mode, shutdown */ temp_sensor.write_cfg_reg(uint8_t(MAX30205_CFG_ONE_SHOT_START | MAX30205_CFG_TIMEOUT_DISABLE | MAX30205_CFG_EXTENDED_FORMAT | MAX30205_CFG_FAULT_FILTER_4 | MAX30205_CFG_OS_POLARITY_ACT_LOW | MAX30205_CFG_COMPARATOR_MODE | MAX30205_CFG_SHUTDOWN)); wait(MAX30205_WAIT_CONV_TIME); temperature = temp_sensor.read_reg_as_temperature(MAX30205_REG_TEMPERATURE); pc.printf("Temperature = %3.4f Celsius, %3.4f Fahrenheit\r\n", temperature, temp_sensor.celsius_to_fahrenheit(temperature)); } temp_sensor.read_cfg_reg(&cfg); pc.printf("Configuration Register = 0x%02Xh \r\n", cfg); pc.printf("\r\n\r\n"); #if 0 temp_sensor.write_trip_low_thyst(-55.0f); temperature = temp_sensor.read_reg_as_temperature(MAX30205_REG_THYST_LOW_TRIP); pc.printf("Thyst Temperature = %3.4f Celsius, %3.4f Fahrenheit\r\n", temperature, temp_sensor.celsius_to_fahrenheit(temperature)); temp_sensor.write_trip_high_tos(125.0f); temperature = temp_sensor.read_reg_as_temperature(MAX30205_REG_TOS_HIGH_TRIP); pc.printf("TOS Temperature = %3.4f Celsius, %3.4f Fahrenheit\r\n", temperature, temp_sensor.celsius_to_fahrenheit(temperature)); pc.printf("\r\n\r\n"); #endif /*************************************************************************** * Call the C code version of the driver *************************************************************************** */ #include "max30205_c.h" pc.printf("C implementation of the code\r\n"); max30205_init(i2c_addr); /* Configure for time out enabled, normal format, fault filter 6, active low polarity, comparator mode, continuous */ max30205_write_cfg_reg(uint8_t(MAX30205_CFG_TIMEOUT_ENABLE | MAX30205_CFG_NORMAL_FORMAT | MAX30205_CFG_FAULT_FILTER_6 | MAX30205_CFG_OS_POLARITY_ACT_LOW | MAX30205_CFG_COMPARATOR_MODE | MAX30205_CFG_CONTINUOUS), i2cBus); for (i = 0; i < 5; i++) { wait(MAX30205_WAIT_CONV_TIME); temperature = max30205_read_reg_as_temperature(MAX30205_REG_TEMPERATURE, i2cBus); pc.printf("Temperature = %3.4f Celsius, %3.4f Fahrenheit\r\n", temperature, temp_sensor.celsius_to_fahrenheit(temperature)); } max30205_read_cfg_reg(&cfg, i2cBus); pc.printf("Configuration Register = 0x%02Xh \r\n", cfg); #if 0 max30205_write_trip_low_thyst(-63.9375, i2cBus); temperature = max30205_read_reg_as_temperature(MAX30205_REG_THYST_LOW_TRIP, i2cBus); pc.printf("Thyst Temperature = %3.4f Celsius, %3.4f Fahrenheit\r\n", temperature, max30205_celsius_to_fahrenheit(temperature)); max30205_write_trip_high_tos(64.0625f, i2cBus); temperature = max30205_read_reg_as_temperature(MAX30205_REG_TOS_HIGH_TRIP, i2cBus); pc.printf("TOS Temperature = %3.4f Celsius, %3.4f Fahrenheit\r\n", temperature, max30205_celsius_to_fahrenheit(temperature)); #endif pc.printf("\r\n"); max30205_write_cfg_reg(uint8_t(MAX30205_CFG_ONE_SHOT_START | MAX30205_CFG_TIMEOUT_DISABLE | MAX30205_CFG_EXTENDED_FORMAT | MAX30205_CFG_FAULT_FILTER_4 | MAX30205_CFG_OS_POLARITY_ACT_LOW | MAX30205_CFG_COMPARATOR_MODE | MAX30205_CFG_SHUTDOWN), i2cBus); for (i = 0; i < 8; i++) { wait_sec_prompt(wait_shut); /* leave it in shutdown mode for a while */ /* Configure for one shot, time out disabled, extended format, fault filter 4, active low polarity, comparator mode, shutdown */ max30205_write_cfg_reg(uint8_t(MAX30205_CFG_ONE_SHOT_START | MAX30205_CFG_TIMEOUT_DISABLE | MAX30205_CFG_EXTENDED_FORMAT | MAX30205_CFG_FAULT_FILTER_4 | MAX30205_CFG_OS_POLARITY_ACT_LOW | MAX30205_CFG_COMPARATOR_MODE | MAX30205_CFG_SHUTDOWN), i2cBus); wait(MAX30205_WAIT_CONV_TIME); temperature = max30205_read_reg_as_temperature(MAX30205_REG_TEMPERATURE, i2cBus); pc.printf("Temperature = %3.4f Celsius, %3.4f Fahrenheit\r\n", temperature, temp_sensor.celsius_to_fahrenheit(temperature)); } max30205_read_cfg_reg(&cfg, i2cBus); pc.printf("Configuration Register = 0x%02Xh \r\n", cfg); #if 0 max30205_write_trip_low_thyst(-55, i2cBus); temperature = max30205_read_reg_as_temperature(MAX30205_REG_THYST_LOW_TRIP, i2cBus); pc.printf("Thyst Temperature = %3.4f Celsius, %3.4f Fahrenheit\r\n", temperature, max30205_celsius_to_fahrenheit(temperature)); max30205_write_trip_high_tos(125.0f, i2cBus); temperature = max30205_read_reg_as_temperature(MAX30205_REG_TOS_HIGH_TRIP, i2cBus); pc.printf("TOS Temperature = %3.4f Celsius, %3.4f Fahrenheit\r\n", temperature, max30205_celsius_to_fahrenheit(temperature)); #endif pc.printf("\r\n\r\n\r\n"); while (true) { // Blink the green LED gLED = !gLED; wait(0.5); } }