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| author | Clyne Sullivan <clyne@bitgloo.com> | 2020-01-24 09:15:46 -0500 |
|---|---|---|
| committer | Clyne Sullivan <clyne@bitgloo.com> | 2020-01-24 09:15:46 -0500 |
| commit | a5892b35233748b2fcff1f726314c9a8df749f9c (patch) | |
| tree | a666f7f73b8926b2518b578b9416209395908a6e /src/kernel/serial.c | |
| parent | 998b3ac86e3b3f926d81e768f1200815e9e3d148 (diff) | |
Reviewed stmos, made small format/doc fixes
Diffstat (limited to 'src/kernel/serial.c')
| -rw-r--r-- | src/kernel/serial.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/src/kernel/serial.c b/src/kernel/serial.c index 2737b7d..2b5cb2d 100644 --- a/src/kernel/serial.c +++ b/src/kernel/serial.c @@ -28,9 +28,9 @@ void serial_init(uint32_t baud) gpio_mode(GPIOA, 3, ALTERNATE); GPIOA->AFR[0] &= ~(0x0000FF00); GPIOA->AFR[0] |= 0x00007700; - RCC->APB1ENR1 |= RCC_APB1ENR1_USART2EN; - // start usart device + // Start usart device + RCC->APB1ENR1 |= RCC_APB1ENR1_USART2EN; USART2->BRR = 80000000L / baud; USART2->CR1 |= USART_CR1_TE | USART_CR1_RE | USART_CR1_UE; } @@ -58,3 +58,4 @@ void serial_gets(char *buf, int max) } while (buf[index] != '\r' && index++ < max); buf[index] = '\0'; } + |