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| author | xengineering <mail2xengineering@protonmail.com> | 2020-10-25 16:52:57 +0100 |
|---|---|---|
| committer | xengineering <mail2xengineering@protonmail.com> | 2020-10-25 16:52:57 +0100 |
| commit | 56c268e88a87f708de1824d87fbf7b824d4c1c2a (patch) | |
| tree | 0a4ab861b2f03c2fde1de8d7a3b61d2603b4d503 /usart_irq | |
| parent | 58d3787ca563b7d6a2cb4e0a1ab7fdde67fd5557 (diff) | |
| download | stm32f103c8-examples-56c268e88a87f708de1824d87fbf7b824d4c1c2a.tar stm32f103c8-examples-56c268e88a87f708de1824d87fbf7b824d4c1c2a.tar.zst stm32f103c8-examples-56c268e88a87f708de1824d87fbf7b824d4c1c2a.zip | |
Remove any Heap Allocation
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; |