Diff: main.cpp

Revision:

3:1310ff1cdc7b

Parent:

2:c5359a1a8d94

Child:

4:465abf12c950

--- a/main.cpp	Fri Mar 13 01:41:33 2015 +0000
+++ b/main.cpp	Sat Mar 21 14:51:32 2015 +0000
@@ -1,33 +1,74 @@
+/**********************************************************************************
+* @file    main.cpp
+* @author  Name
+* @version V0.1
+* @date    09-March-2015
+* @brief   Read analog value and send it to serial.
+*          Serial speed is set to 115200.
+***********************************************************************************/
+
+/**********************************************************************************/
+/*                 Table of A/D pins on Nucleo F303 (LQFP64)                      */
+/**********************************************************************************/
+/*  LQFP64 pin   |   Nucleo pin   |   ST Pin   |   AD 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      */
+/**********************************************************************************/
+
+/* Includes ----------------------------------------------------------------------*/
 #include "mbed.h"
 
+/* Defines -----------------------------------------------------------------------*/
 #define voltage 3300
+// raw value to value in mili volts
 #define mv1(x)       (x*voltage)
 #define mv2(x)       ((x*voltage)/0xFFFF)
 #define mv3(x)       (x*voltage)
-AnalogIn analog_value(A0);
+
+//mbed - initialization of peripherals
+AnalogIn analog_value(A0);          // inicialize analog read from A0
+DigitalOut led(LED1);               // inicialize LED
+Serial pc(SERIAL_TX, SERIAL_RX);    // inicialize Serial to connect to PC
+
+/* Functions----------------------------------------------------------------------*/
 
-DigitalOut led(LED1);
-
+/***********************************************************************************
+* Function Name  : main.
+* Description    : Main routine.
+* Input          : None.
+* Output         : None.
+* Return         : None.
+***********************************************************************************/
 int main()
 {
+    pc.baud(115200);    //set speed of serial to 115200
 
     float meas1;
     int meas2;
     float meas3;
 
-    printf("\nAnalogIn example\n");
+    pc.printf("\nAnalogIn example\n");
 
     while(1) {
         meas1 = analog_value.read(); // Converts and read the analog input value (value from 0.0 to 1.0)
-        meas1 = mv1(meas1); // Change the value to be in the 0 to 3300 range
+        meas1 = mv1(meas1);          // Change the value to be in the 0 to 3300 range
 
         meas2 = analog_value.read_u16(); // Converts and read the analog input value (value from 0.0 to 0xFFFF)
-        meas2 = mv2(meas2); // Change the value to be in the 0 to 3300 range
+        meas2 = mv2(meas2);              // Change the value to be in the 0 to 3300 range
 
         meas3 = analog_value; // Converts and read the analog input value (value from 0.0 to 1.0)
-        meas3 = mv3(meas3); // Change the value to be in the 0 to 3300 range
+        meas3 = mv3(meas3);   // Change the value to be in the 0 to 3300 range
 
-        printf("measure = %.0f mV, %d mV, %.0f mV\n", meas1,meas2,meas3);
+        pc.printf("measure = %.0f mV, %d mV, %.0f mV\n", meas1,meas2,meas3);
         if (meas1 > 2000 && meas2 > 2000 && meas3 > 2000) { // If the value is greater than 2V then switch the LED on
             led = 1;
         } else {