Revision 1:59ea769dee88, committed 2015-03-19

Comitter:

Foxnec

Date:

Thu Mar 19 17:45:37 2015 +0000

Parent:

0:dade2710823b

Commit message:

Final version

Changed in this revision

diff -r dade2710823b -r 59ea769dee88 main.cpp
--- a/main.cpp	Thu Mar 05 22:54:26 2015 +0000
+++ b/main.cpp	Thu Mar 19 17:45:37 2015 +0000
@@ -1,33 +1,76 @@
-#include "mbed.h"
- 
-//Nucleo F103,F303,F411 compatible
+/**********************************************************************************
+* @file    main.cpp
+* @author  Daniel Toms
+* @version V0.1
+* @date    09-March-2015
+* @brief   Simple ADC convertor example for Nucleo without DMA.
+*          The value is written to the serial port every second at 115200baud.
+*          Compatible with all the NUCLEOs.
+***********************************************************************************/
 
-AnalogIn analog_value(A0);
+/**********************************************************************************/
+/*                 Table of A/D - D/A pins on Nucleo F303 (LQFP64)                */
+/**********************************************************************************/
+/*  LQFP64 pin   |   Nucleo pin   |   ST Pin   |   AD/DA Number   |    Channel    */
+/*       8       |      A5        |    PC_0    |      ADC12       |       6       */
+/*       9       |      A4        |    PC_1    |      ADC12       |       7       */
+/*      14       |      A0        |    PA_0    |      ADC1        |       1       */
+/*      15       |      A1        |    PA_1    |      ADC1        |       2       */
+/*      16       |      D1        |    PA_2    |      ADC1        |       3       */
+/*      17       |      D0        |    PA_3    |      ADC1        |       4       */
+/*      20       |      A2        |    PA_4    |      ADC2        |       1       */
+/*      21       |      D13       |    PA_5    |      ADC2        |       2       */
+/*      22       |      D12       |    PA_6    |      ADC2        |       3       */
+/*      23       |      D11       |    PA_7    |      ADC2        |       4       */
+/*      26       |      A3        |    PB_0    |      ADC3        |       12      */
+/**********************************************************************************/      
+/*      20       |      A2        |    PA_4    |      DAC1        |       1       */
+/*      21       |      D13       |    PA_5    |      DAC1        |       2       */
+/**********************************************************************************/
 
-Serial pc(SERIAL_TX, SERIAL_RX);
- 
-DigitalOut myled(LED1);
- 
+/* Includes ----------------------------------------------------------------------*/
+#include "mbed.h"
+
+/* Defines -----------------------------------------------------------------------*/
 // Calculate the corresponding acquisition measure for a given value in mV
 #define rawmeas(x) ((0xFFFF*x)/3300)
 // Calculate the corresponding mV value from measured voltage
 #define mv(x)       ((x*3300)/0xFFFF)
+
+/* Function prototypes -----------------------------------------------------------*/
  
+/* Variables ---------------------------------------------------------------------*/
+
+//mbed - initialization of peripherals
+AnalogIn analog_value(A0);
+Serial pc(SERIAL_TX, SERIAL_RX);
+DigitalOut myled(LED1);
+ 
+/* Functions----------------------------------------------------------------------*/
+
+
+/***********************************************************************************
+* Function Name  : main.
+* Description    : Main routine.
+* Input          : None.
+* Output         : None.
+* Return         : None.
+***********************************************************************************/ 
 int main() {
     
-    pc.baud(115200);
+    pc.baud(115200);        //Sets the serial port baud rate to 115200baud.
     
-    while(1) {      
-        uint16_t meas = analog_value.read_u16(); // Converts and read the analog input value
-        if (meas > rawmeas(1000)) { // If the value is greater than 1000 mV toggle the LED
-          myled = !myled;
+    while(1) {                                      // infinite loop          
+        uint16_t meas = analog_value.read_u16();    // Converts and read the analog input value
+        if (meas > rawmeas(1000)) {                 // If the value is greater than 1000 mV toggle the LED
+          myled = !myled;                           // toggles the LED
         }
         
-        //Prints the measured value in millivolts
-        pc.printf("Measured value: %d\n", meas);
+        pc.printf("Measured value: %d\n", meas);    // Prints the measured value in millivolts
         pc.printf("%d mV\n", mv(meas));
         
-        wait(1); // 200 ms
+        wait(1);                                    // Waits for one second between measures.
+                                                    // You can use wait_ms(x) and wait_us(x) to wait for shorter periods.
         
     }
 }