Srdjan Simic / Mbed 2 deprecated STM32_ADC_InternalChannels

Temperature

Dependencies:   mbed

main.cpp@1:57ff098da1dd, 2021-02-08 (annotated)

Committer:
srdjansimic
Date:
Mon Feb 08 22:35:35 2021 +0000
Revision:
1:57ff098da1dd
Parent:
0:1ffbfe56f438
Child:
2:e999eca5c095
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srdjansimic 0:1ffbfe56f438 1 #include "mbed.h"
srdjansimic 0:1ffbfe56f438 2
srdjansimic 0:1ffbfe56f438 3 /*
srdjansimic 0:1ffbfe56f438 4 This basic example just shows how to read the ADC internal channels raw values.
srdjansimic 0:1ffbfe56f438 5 Please look in the corresponding device reference manual for a complete
srdjansimic 0:1ffbfe56f438 6 description of how to make a temperature sensor, VBat or Vref measurement.
srdjansimic 0:1ffbfe56f438 7 */
srdjansimic 0:1ffbfe56f438 8
srdjansimic 0:1ffbfe56f438 9 AnalogIn adc_temp(ADC_TEMP);
srdjansimic 0:1ffbfe56f438 10 AnalogIn adc_vref(ADC_VREF);
srdjansimic 0:1ffbfe56f438 11 #if defined(TARGET_DISCO_F051R8) || defined(TARGET_NUCLEO_F030R8) || defined(TARGET_NUCLEO_F031K6) || defined(TARGET_NUCLEO_F042K6) || defined(TARGET_NUCLEO_F070RB) || defined(TARGET_NUCLEO_F072RB) || defined(TARGET_NUCLEO_F091RC) || defined(TARGET_NUCLEO_F207ZG) || defined(TARGET_NUCLEO_F302R8) || defined(TARGET_NUCLEO_F303K8) || defined(TARGET_DISCO_F303VC) || defined(TARGET_NUCLEO_F303RE) || defined(TARGET_NUCLEO_F303ZE) || defined(TARGET_DISCO_F334C8) || defined(TARGET_NUCLEO_F334R8) || defined(TARGET_MTS_DRAGONFLY_F411RE) || defined(TARGET_MTS_MDOT_F405RG) || defined(TARGET_MTS_MDOT_F411RE) || defined(TARGET_DISCO_F401VC) || defined(TARGET_NUCLEO_F401RE) || defined(TARGET_ARCH_MAX) || defined(TARGET_DISCO_F407VG) || defined(TARGET_NUCLEO_F410RB) || defined(TARGET_ELMO_F411RE) || defined(TARGET_NUCLEO_F411RE) || defined(TARGET_NUCLEO_F412ZG) || defined(TARGET_DISCO_F413ZH) || defined(TARGET_DISCO_F429ZI) || defined(TARGET_NUCLEO_F429ZI) || defined(TARGET_NUCLEO_F439ZI) || defined(TARGET_B96B_F446VE) || defined(TARGET_NUCLEO_F446RE) || defined(TARGET_NUCLEO_F446ZE) || defined(TARGET_DISCO_F469NI) || defined(TARGET_DISCO_F746NG) || defined(TARGET_NUCLEO_F746ZG) || defined(TARGET_NUCLEO_F756ZG) || defined(TARGET_NUCLEO_F767ZI) || defined(TARGET_DISCO_F769NI) || defined(TARGET_DISCO_L072CZ_LRWAN1) || defined(TARGET_NUCLEO_L432KC) || defined(TARGET_DISCO_L476VG) || defined(TARGET_NUCLEO_L476RG) || defined(TARGET_NUCLEO_L486RG)
srdjansimic 0:1ffbfe56f438 12 AnalogIn adc_vbat(ADC_VBAT); // Warning: Not available on all devices
srdjansimic 0:1ffbfe56f438 13 #endif
srdjansimic 0:1ffbfe56f438 14
srdjansimic 0:1ffbfe56f438 15 DigitalOut led(LED1);
srdjansimic 1:57ff098da1dd 16 AnalogIn analog_light_sensor_read(A1);
srdjansimic 0:1ffbfe56f438 17
srdjansimic 0:1ffbfe56f438 18 int main()
srdjansimic 0:1ffbfe56f438 19 {
srdjansimic 1:57ff098da1dd 20 int adc_scale = 4096;
srdjansimic 1:57ff098da1dd 21 int sensorValue;
srdjansimic 1:57ff098da1dd 22 float Rsensor;
srdjansimic 1:57ff098da1dd 23
srdjansimic 0:1ffbfe56f438 24 printf("\nSTM32 ADC internal channels reading example\n");
srdjansimic 0:1ffbfe56f438 25 while(1) {
srdjansimic 0:1ffbfe56f438 26 printf("ADC Temp = %f\n", (adc_temp.read()*100));
srdjansimic 0:1ffbfe56f438 27 printf("ADC VRef = %f\n", adc_vref.read());
srdjansimic 0:1ffbfe56f438 28 #if defined(TARGET_DISCO_F051R8) || defined(TARGET_NUCLEO_F030R8) || defined(TARGET_NUCLEO_F031K6) || defined(TARGET_NUCLEO_F042K6) || defined(TARGET_NUCLEO_F070RB) || defined(TARGET_NUCLEO_F072RB) || defined(TARGET_NUCLEO_F091RC) || defined(TARGET_NUCLEO_F207ZG) || defined(TARGET_NUCLEO_F302R8) || defined(TARGET_NUCLEO_F303K8) || defined(TARGET_DISCO_F303VC) || defined(TARGET_NUCLEO_F303RE) || defined(TARGET_NUCLEO_F303ZE) || defined(TARGET_DISCO_F334C8) || defined(TARGET_NUCLEO_F334R8) || defined(TARGET_MTS_DRAGONFLY_F411RE) || defined(TARGET_MTS_MDOT_F405RG) || defined(TARGET_MTS_MDOT_F411RE) || defined(TARGET_DISCO_F401VC) || defined(TARGET_NUCLEO_F401RE) || defined(TARGET_ARCH_MAX) || defined(TARGET_DISCO_F407VG) || defined(TARGET_NUCLEO_F410RB) || defined(TARGET_ELMO_F411RE) || defined(TARGET_NUCLEO_F411RE) || defined(TARGET_NUCLEO_F412ZG) || defined(TARGET_DISCO_F413ZH) || defined(TARGET_DISCO_F429ZI) || defined(TARGET_NUCLEO_F429ZI) || defined(TARGET_NUCLEO_F439ZI) || defined(TARGET_B96B_F446VE) || defined(TARGET_NUCLEO_F446RE) || defined(TARGET_NUCLEO_F446ZE) || defined(TARGET_DISCO_F469NI) || defined(TARGET_DISCO_F746NG) || defined(TARGET_NUCLEO_F746ZG) || defined(TARGET_NUCLEO_F756ZG) || defined(TARGET_NUCLEO_F767ZI) || defined(TARGET_DISCO_F769NI) || defined(TARGET_DISCO_L072CZ_LRWAN1) || defined(TARGET_NUCLEO_L432KC) || defined(TARGET_DISCO_L476VG) || defined(TARGET_NUCLEO_L476RG) || defined(TARGET_NUCLEO_L486RG)
srdjansimic 0:1ffbfe56f438 29 printf("ADC VBat = %f\n", adc_vbat.read());
srdjansimic 0:1ffbfe56f438 30 printf("\033[3A");
srdjansimic 0:1ffbfe56f438 31 #else
srdjansimic 0:1ffbfe56f438 32 printf("\033[2A");
srdjansimic 0:1ffbfe56f438 33 #endif
srdjansimic 0:1ffbfe56f438 34 led = !led;
srdjansimic 0:1ffbfe56f438 35 if ((adc_temp.read()*100) > 20) {
srdjansimic 0:1ffbfe56f438 36 wait(1.0);
srdjansimic 0:1ffbfe56f438 37 } else {
srdjansimic 0:1ffbfe56f438 38 wait(0.25);
srdjansimic 0:1ffbfe56f438 39 }
srdjansimic 1:57ff098da1dd 40 sensorValue = analog_light_sensor_read.read_u16();
srdjansimic 1:57ff098da1dd 41 Rsensor=(float)(adc_scale-sensorValue)*10/sensorValue;
srdjansimic 1:57ff098da1dd 42 printf("Light Sensor Analog Reading is 0x%X = %d ", sensorValue, sensorValue);
srdjansimic 1:57ff098da1dd 43 printf("The sensor resistance is %f \n\n\r", Rsensor);
srdjansimic 1:57ff098da1dd 44 // wait(1); // 1s
srdjansimic 0:1ffbfe56f438 45 }
srdjansimic 0:1ffbfe56f438 46 }