STM32 / Mbed 2 deprecated Nucleo_read_analog_value

program 1 driver

Dependencies:   mbed motorController2

main.cpp@0:1d2060237094, 2016-10-31 (annotated)

Committer:
BalB
Date:
Mon Oct 31 17:49:32 2016 +0000
Revision:
0:1d2060237094
Child:
1:3370c513ff5c
first try reading analogs

Who changed what in which revision?

UserRevisionLine numberNew contents of line
BalB 0:1d2060237094 1 #include "mbed.h"
BalB 0:1d2060237094 2
BalB 0:1d2060237094 3 //
BalB 0:1d2060237094 4 // By BalB
BalB 0:1d2060237094 5 //
BalB 0:1d2060237094 6 #include "mbed.h"
BalB 0:1d2060237094 7 AnalogIn top_left(A0); // Analog InPut
BalB 0:1d2060237094 8 AnalogIn top_right(A1); // Analog InPut
BalB 0:1d2060237094 9 AnalogIn bot_left(A2); // Analog InPut
BalB 0:1d2060237094 10 AnalogIn bot_right(A3); // Analog InPut
BalB 0:1d2060237094 11
BalB 0:1d2060237094 12
BalB 0:1d2060237094 13 DigitalOut myled(LED1); // Digital OutPut
BalB 0:1d2060237094 14 Serial pc(SERIAL_TX, SERIAL_RX); // Default USART is: 8N1 NO FlowControl
BalB 0:1d2060237094 15 // Variables --------------------------------------------------------------
BalB 0:1d2060237094 16 uint16_t meas = 0;
BalB 0:1d2060237094 17 float_t Result_V = 0;
BalB 0:1d2060237094 18 float_t MinStepRes = 0;
BalB 0:1d2060237094 19 //DigitalOut led(LED1);
BalB 0:1d2060237094 20
BalB 0:1d2060237094 21
BalB 0:1d2060237094 22 // ATTENTION
BalB 0:1d2060237094 23 // The two value below, must be changed in according to the Vcc and ADC
BalB 0:1d2060237094 24 // resolution
BalB 0:1d2060237094 25 float_t Valim = 3300; // This is the supplay voltage of ADC (or MCU)
BalB 0:1d2060237094 26 float_t ADCres = 4096; // This is the ADC resolution that in this case si 12Bit
BalB 0:1d2060237094 27 // All NUCLEO boards use an ADC with 12bit resolution
BalB 0:1d2060237094 28
BalB 0:1d2060237094 29 int main()
BalB 0:1d2060237094 30 {
BalB 0:1d2060237094 31 pc.printf("\n\r\n\rSTART program\n\r");
BalB 0:1d2060237094 32 while(1)
BalB 0:1d2060237094 33 {
BalB 0:1d2060237094 34 // Read the analog input value
BalB 0:1d2060237094 35 measTL = top_left.read_u16();
BalB 0:1d2060237094 36 measTR = top_right.read_u16();
BalB 0:1d2060237094 37 measBL = bot_left.read_u16();
BalB 0:1d2060237094 38 measBR = bot_right.read_u16();
BalB 0:1d2060237094 39
BalB 0:1d2060237094 40 // Display the result via Virtual COM
BalB 0:1d2060237094 41 pc.printf("TOP_LEFT == %d || TOP_RIGHT == %d || BOT_LEFT == %d || BOT_RIGHT == %d ", measTL, measTR , measBL, measBR);
BalB 0:1d2060237094 42
BalB 0:1d2060237094 43 wait(0.8); // 800 ms
BalB 0:1d2060237094 44 }
BalB 0:1d2060237094 45 }
BalB 0:1d2060237094 46
BalB 0:1d2060237094 47
BalB 0:1d2060237094 48 /*int main() {
BalB 0:1d2060237094 49 float meas;
BalB 0:1d2060237094 50
BalB 0:1d2060237094 51 printf("\nAnalogIn example\n");
BalB 0:1d2060237094 52
BalB 0:1d2060237094 53 while(1) {
BalB 0:1d2060237094 54 meas = analog_value.read(); // Converts and read the analog input value (value from 0.0 to 1.0)
BalB 0:1d2060237094 55 meas = meas * 3300; // Change the value to be in the 0 to 3300 range
BalB 0:1d2060237094 56 printf("measure = %.0f mV\n", meas);
BalB 0:1d2060237094 57 if (meas > 2000) { // If the value is greater than 2V then switch the LED on
BalB 0:1d2060237094 58 led = 1;
BalB 0:1d2060237094 59 }
BalB 0:1d2060237094 60 else {
BalB 0:1d2060237094 61 led = 0;
BalB 0:1d2060237094 62 }
BalB 0:1d2060237094 63 wait(0.2); // 200 ms
BalB 0:1d2060237094 64 }
BalB 0:1d2060237094 65 }*/