TUKS MCU Introductory course / TUKS-COURSE-2-LED

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Show/hide line numbers main.c Source File

main.c

00001 #define USE_STM32L476G_DISCO_REVC
00002 #include "stm32l476g_discovery.h"
00003 
00004 // main() runs in its own thread in the OS
00005 // (note the calls to wait below for delays)
00006 
00007 
00008 /*************** TODO ***************
00009     Joystik up=> LED4 ON
00010     Joystik down=> LED5 ON
00011 
00012     Hint: Use UP_JOY_xxx definitions
00013 */
00014 int main() {
00015 
00016     LED4_GPIO_CLK_ENABLE();
00017     LED5_GPIO_CLK_ENABLE();
00018     UP_JOY_GPIO_CLK_ENABLE();
00019     DOWN_JOY_GPIO_CLK_ENABLE();
00020     
00021     GPIO_InitTypeDef gpio;
00022 
00023     gpio.Mode = GPIO_MODE_OUTPUT_PP;
00024     gpio.Pull = GPIO_NOPULL;
00025     gpio.Speed = GPIO_SPEED_FREQ_LOW;
00026     gpio.Pin = LED4_PIN;
00027     HAL_GPIO_Init(LED4_GPIO_PORT, &gpio);
00028 
00029     gpio.Pin = LED5_PIN;
00030     HAL_GPIO_Init(LED5_GPIO_PORT, &gpio);
00031 
00032 
00033     gpio.Mode = GPIO_MODE_INPUT;
00034     gpio.Pull = GPIO_PULLDOWN;
00035     gpio.Pin = UP_JOY_PIN;
00036     HAL_GPIO_Init(UP_JOY_GPIO_PORT, &gpio);
00037 
00038     gpio.Pin = DOWN_JOY_PIN;
00039     HAL_GPIO_Init(DOWN_JOY_GPIO_PORT, &gpio);
00040 
00041     HAL_GPIO_TogglePin(LED5_GPIO_PORT, LED5_PIN);
00042     HAL_Delay(300);
00043     HAL_GPIO_TogglePin(LED4_GPIO_PORT, LED4_PIN);
00044     HAL_Delay(300);
00045     HAL_GPIO_TogglePin(LED5_GPIO_PORT, LED5_PIN);
00046     HAL_Delay(300);
00047     HAL_GPIO_TogglePin(LED4_GPIO_PORT, LED4_PIN);
00048     HAL_Delay(300);
00049 
00050     while (1) {
00051     }
00052 }
00053