diff options
Diffstat (limited to 'usart_irq')
| -rw-r--r-- | usart_irq/main.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/usart_irq/main.c b/usart_irq/main.c index c3e7966..8c79471 100644 --- a/usart_irq/main.c +++ b/usart_irq/main.c @@ -11,6 +11,8 @@ #define DELAY 1000000 +#define RX_BUFFER_SIZE 50 +#define TX_BUFFER_SIZE 50 void clock_init(void); @@ -24,13 +26,16 @@ USART usart3; int main(void) { + uint8_t rx_buffer[RX_BUFFER_SIZE]; + uint8_t tx_buffer[TX_BUFFER_SIZE]; + clock_init(); gpio_init(); - usart_init(&usart3); + usart_init(&usart3, rx_buffer, RX_BUFFER_SIZE, tx_buffer, TX_BUFFER_SIZE); gpio_set(GPIOC, GPIO13); - char welcome[] = "Hallo Freunde!\r"; + char welcome[] = "Hello world!\r"; usart_write(&usart3, welcome); uint8_t buff; |