EET 3735 Rachid, Tyler, Ryan
Dependencies: BSP_DISCO_L476VG LCD_DISCO_L476VG mbed
Fork of DISCO_L476VG_leds_buttons by
main.cpp
- Committer:
- bcostm
- Date:
- 2015-08-28
- Revision:
- 0:267836e77e0c
- Child:
- 2:1b6162cd96d4
File content as of revision 0:267836e77e0c:
#include "mbed.h" #define USE_PRINTF (1) // Joystick button InterruptIn center(JOYSTICK_CENTER); InterruptIn left(JOYSTICK_LEFT); InterruptIn right(JOYSTICK_RIGHT); InterruptIn up(JOYSTICK_UP); InterruptIn down(JOYSTICK_DOWN); // LEDs DigitalOut led_green(LED1); DigitalOut led_red(LED2); void center_released() { led_green = 0; #if USE_PRINTF == 1 printf("center button released\n"); #endif } void center_pressed() { led_green = 1; #if USE_PRINTF == 1 printf("center button pressed\n"); #endif } void left_released() { led_green = 0; #if USE_PRINTF == 1 printf("left button released\n"); #endif } void left_pressed() { led_green = 1; #if USE_PRINTF == 1 printf("left button pressed\n"); #endif } void right_released() { led_green = 0; #if USE_PRINTF == 1 printf("right button released\n"); #endif } void right_pressed() { led_green = 1; #if USE_PRINTF == 1 printf("right button pressed\n"); #endif } void up_released() { led_green = 0; #if USE_PRINTF == 1 printf("up button released\n"); #endif } void up_pressed() { led_green = 1; #if USE_PRINTF == 1 printf("up button pressed\n"); #endif } void down_released() { led_green = 0; #if USE_PRINTF == 1 printf("down button released\n"); #endif } void down_pressed() { led_green = 1; #if USE_PRINTF == 1 printf("down button pressed\n"); #endif } int main() { #if USE_PRINTF == 1 int i = 0; printf("\nStart!\n"); #endif // Both rise and fall edges generate an interrupt center.fall(¢er_released); center.rise(¢er_pressed); left.fall(&left_released); left.rise(&left_pressed); right.fall(&right_released); right.rise(&right_pressed); up.fall(&up_released); up.rise(&up_pressed); down.fall(&down_released); down.rise(&down_pressed); // Add pull-down on these pins // Warning: must be done AFTER edges setting left.mode(PullDown); right.mode(PullDown); up.mode(PullDown); down.mode(PullDown); while (1) { led_red = !led_red; wait(1.0); #if USE_PRINTF == 1 printf("main %d\n", i++); #endif } }