diff options
| -rw-r--r-- | src/STM32F0xx_init.c | 3 | ||||
| -rw-r--r-- | src/main.c | 16 |
2 files changed, 11 insertions, 8 deletions
diff --git a/src/STM32F0xx_init.c b/src/STM32F0xx_init.c index 904d9c0..9e3c382 100644 --- a/src/STM32F0xx_init.c +++ b/src/STM32F0xx_init.c @@ -5,6 +5,9 @@ * Initialize the HSI clock source and reset the PLL configuration. This
* function is called by the startup_common.s file, just before calling the
* main() function.
+ *
+ * You can adapt this function to fit your needs, however, do not change its
+ * name! It is called in the startup code.
*/
void SystemInit (void) {
// Set HSION bit
@@ -7,20 +7,20 @@ static void delay (unsigned int time) { } int main (void) { - // Turn on the GPIOA peripheral - RCC->AHBENR |= RCC_AHBENR_GPIOAEN; + // Turn on the GPIOC peripheral + RCC->AHBENR |= RCC_AHBENR_GPIOCEN; - // Put pin in general purpose output mode (B01) - GPIOA->MODER |= GPIO_MODER_MODER4_0; + // Put pin 13 in general purpose output mode + GPIOC->MODER |= GPIO_MODER_MODER13_0; while (1) { - // Reset the bit for port A4 - GPIOA->BSRR = GPIO_BSRR_BR_4; + // Reset the state of pin 13 to output low + GPIOC->BSRR = GPIO_BSRR_BR_13; delay(500); - // Set the bit for port A4 - GPIOA->BSRR = GPIO_BSRR_BS_4; + // Set the state of pin 13 to output high + GPIOC->BSRR = GPIO_BSRR_BS_13; delay(500); } |