Cortex Challenge Team / STM32F031_blink_LED_1

LED blinking with a small microcontroller (STM32F031/F050) with 4kB of RAM.

Dependencies:   mbed-src

main.cpp@2:2290577c8ac4, 2015-04-26 (annotated)

Committer:
krepemar
Date:
Sun Apr 26 20:04:26 2015 +0000
Revision:
2:2290577c8ac4
Parent:
0:ff314d068cee
Child:
3:71536f3ef899
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krepemar 0:ff314d068cee 1 /**********************************************************************************
krepemar 0:ff314d068cee 2 * @file main.cpp
krepemar 0:ff314d068cee 3 * @author Marta Krepelkova
krepemar 0:ff314d068cee 4 * @version V0.1
krepemar 0:ff314d068cee 5 * @date 26-April-2015
krepemar 0:ff314d068cee 6 * @brief LED blinking with microcontroller in a small package
krepemar 0:ff314d068cee 7 ***********************************************************************************/
krepemar 0:ff314d068cee 8
krepemar 0:ff314d068cee 9 /**********************************************************************************/
krepemar 0:ff314d068cee 10 /* Table of used pins on STM32F0 Discovery kit with STM32F031F6P6 MCU (TSSOP20) */
krepemar 0:ff314d068cee 11 /**********************************************************************************/
krepemar 0:ff314d068cee 12 /* TSSOP20 pin | peripheral */
krepemar 0:ff314d068cee 13 /* 11 (PA_5) | LED */
krepemar 0:ff314d068cee 14 /**********************************************************************************/
krepemar 0:ff314d068cee 15
krepemar 0:ff314d068cee 16 /* Includes ----------------------------------------------------------------------*/
krepemar 0:ff314d068cee 17 #include "mbed.h"
krepemar 0:ff314d068cee 18
krepemar 0:ff314d068cee 19 /* Defines -----------------------------------------------------------------------*/
krepemar 0:ff314d068cee 20
krepemar 0:ff314d068cee 21 /* Function prototypes -----------------------------------------------------------*/
krepemar 0:ff314d068cee 22
krepemar 0:ff314d068cee 23 /* Variables ---------------------------------------------------------------------*/
krepemar 0:ff314d068cee 24
krepemar 0:ff314d068cee 25 // mbed - initialization of peripherals
krepemar 0:ff314d068cee 26 DigitalOut myled(PA_5); // LED is connected to PA_5
krepemar 0:ff314d068cee 27
krepemar 0:ff314d068cee 28 /* Functions----------------------------------------------------------------------*/
krepemar 0:ff314d068cee 29
krepemar 0:ff314d068cee 30 /***********************************************************************************
krepemar 0:ff314d068cee 31 * Function Name : main.
krepemar 0:ff314d068cee 32 * Description : Main routine.
krepemar 0:ff314d068cee 33 * Input : None.
krepemar 0:ff314d068cee 34 * Output : None.
krepemar 0:ff314d068cee 35 * Return : None.
krepemar 0:ff314d068cee 36 ***********************************************************************************/
krepemar 0:ff314d068cee 37 int main() {
krepemar 0:ff314d068cee 38 while(1) {
krepemar 2:2290577c8ac4 39 myled = 1; // LED is OFF (we have connected it to VCC)
krepemar 0:ff314d068cee 40 wait(0.2); // 200 ms
krepemar 2:2290577c8ac4 41 myled = 0; // LED is ON
krepemar 0:ff314d068cee 42 wait(1.0); // 1 sec
krepemar 0:ff314d068cee 43 }
krepemar 0:ff314d068cee 44 }