Dependencies: MAX31875_Temperature_Sensor_Low_Power max32630fthr USBDevice
Revision 0:77036686489d, committed 2019-02-03
- Comitter:
- phonemacro
- Date:
- Sun Feb 03 23:56:45 2019 +0000
- Commit message:
- initial commit
Changed in this revision
diff -r 000000000000 -r 77036686489d MAX31875_Temperature_Sensor_Low_Power.lib --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/MAX31875_Temperature_Sensor_Low_Power.lib Sun Feb 03 23:56:45 2019 +0000 @@ -0,0 +1,1 @@ +https://os.mbed.com/users/phonemacro/code/MAX31875_Temperature_Sensor_Low_Power/#f51465145906
diff -r 000000000000 -r 77036686489d USBDevice.lib --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/USBDevice.lib Sun Feb 03 23:56:45 2019 +0000 @@ -0,0 +1,1 @@ +https://developer.mbed.org/teams/MaximIntegrated/code/USBDevice/#dad310740b28
diff -r 000000000000 -r 77036686489d main.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/main.cpp Sun Feb 03 23:56:45 2019 +0000 @@ -0,0 +1,132 @@ +/******************************************************************************* +* 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. +******************************************************************************* +*/ +#include "mbed.h" +#include "max32630fthr.h" +#include "max31875.h" +#include "USBSerial.h" + +MAX32630FTHR pegasus(MAX32630FTHR::VIO_1V8); + +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 MAX31875 +* @version 1.0000.0000 +* +* @details Sample main program for MAX31875 +* The prints are sent to the terminal window (9600, 8n1). +* The program sets the GPIOs to 1.8V and the program +* configures the chip and reads temperatures. +* 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 (MAX32630FTHR) 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; + uint16_t cfg; + DigitalOut rLED(LED1, LED_OFF); + DigitalOut gLED(LED2, LED_OFF); + DigitalOut bLED(LED3, LED_OFF); + gLED = LED_ON; + printf("MAX31875 Small Package Temperature Sensor example source code.\r\n"); + printf("\r\n"); + + MAX31875 temp_sensor(i2cBus, MAX31875_I2C_SLAVE_ADR_R0); + i2cBus.frequency(1000000); + + /* Configure for fault filter 1, comparator, continuous, + * normal format, 8 sps, 12 bit resolution + */ + temp_sensor.write_cfg(uint16_t(MAX31875_CFG_FAULT_FILTER_1 | + MAX31875_CFG_COMPARATOR_MODE | MAX31875_CFG_CONTINUOUS | + MAX31875_CFG_NORMAL_FORMAT | MAX31875_CFG_CONV_RATE_8 | + MAX31875_CFG_RESOLUTION_12BIT)); + for (i = 0; i < 10; i++) { + wait(MAX31875_WAIT_CONV_RATE_8); + temperature = temp_sensor.read_reg_as_temperature(MAX31875_REG_TEMPERATURE); + printf("Temperature = %3.4f Celsius, %3.4f Fahrenheit\r\n", + temperature, temp_sensor.celsius_to_fahrenheit(temperature)); + } + temp_sensor.read_reg(&cfg, MAX31875_REG_CONFIGURATION); + printf("Configuration Register = 0x%04Xh \r\n", cfg); + + printf("\r\n"); + + + /* Configure for fault filter 4, interrupt, shutdown, + * extended format, 0.25 sps, 10 bit resolution, start one-shot + */ + for (i = 0; i < 5; i++) { + temp_sensor.write_cfg(uint16_t(MAX31875_CFG_FAULT_FILTER_4 | + MAX31875_CFG_INTERRUPT_MODE | MAX31875_CFG_SHUTDOWN | + MAX31875_CFG_EXTENDED_FORMAT| MAX31875_CFG_CONV_RATE_0_25 | + MAX31875_CFG_RESOLUTION_10BIT | MAX31875_CFG_ONE_SHOT_START)); + wait(MAX31875_WAIT_CONV_RATE_0_25); + temperature = temp_sensor.read_reg_as_temperature(MAX31875_REG_TEMPERATURE); + printf("Temperature = %3.4f Celsius, %3.4f Fahrenheit\r\n", + temperature, temp_sensor.celsius_to_fahrenheit(temperature)); + } + temp_sensor.read_reg(&cfg, MAX31875_REG_CONFIGURATION); + printf("Configuration Register = 0x%04Xh \r\n", cfg); + + printf("\r\n\r\n"); +#if 0 + temp_sensor.write_trip_low(3.0625f); + temp_sensor.read_reg(&cfg, MAX31875_REG_CONFIGURATION); + temperature = temp_sensor.read_reg_as_temperature(MAX31875_REG_THYST); + printf("Thyst Temperature = %3.4f Celsius, %3.4f Fahrenheit\r\n", + temperature, temp_sensor.celsius_to_fahrenheit(temperature)); + + temp_sensor.write_trip_high(129.0625f); + temperature = temp_sensor.read_reg_as_temperature(MAX31875_REG_TOS); + printf("TOS Temperature = %3.4f Celsius, %3.4f Fahrenheit\r\n", + temperature, temp_sensor.celsius_to_fahrenheit(temperature)); + printf("\r\n\r\n"); +#endif + while (true) { // Blink the green LED + gLED = !gLED; + wait(0.5); + } +} + + \ No newline at end of file
diff -r 000000000000 -r 77036686489d max32630fthr.lib --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/max32630fthr.lib Sun Feb 03 23:56:45 2019 +0000 @@ -0,0 +1,1 @@ +http://developer.mbed.org/teams/MaximIntegrated/code/max32630fthr/#9eb360063579
diff -r 000000000000 -r 77036686489d mbed-os.lib --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed-os.lib Sun Feb 03 23:56:45 2019 +0000 @@ -0,0 +1,1 @@ +https://github.com/ARMmbed/mbed-os/#78474a5129e18e136cc7e872adbaa5b74fbb8f6a