basic led gpio driver

[cortex-from-scratch] / drivers / uart.c

diff --git a/drivers/uart.c b/drivers/uart.c
index 6fc940b..a107548 100644 (file)
--- a/drivers/uart.c
+++ b/drivers/uart.c
@@ -47,7 +47,7 @@ void uart_init() {
        /* (after enable GPIOA), on PA9&PA10 and set mode
         *  to alternative output */
        regw_u32(GPIOA_CRH, 0x444444D4, 0, OWRITE);
-       regw_u8(AFIO_EVCR, 0x89, 0, OWRITE);// set event control register, output on PA, Pin 9
+       regw_u8(AFIO_EVCR, 0x89, 0, OWRITE);// set event control register, output on PA, Pin 9 TODO: check
 
        //disable temporarily to set values
        regw_u8(USART1_CR1, 0x0, 13, SETBIT);