diff options
Diffstat (limited to 'src/lib/usart.c')
| -rw-r--r-- | src/lib/usart.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/src/lib/usart.c b/src/lib/usart.c index 76685fd..96e920c 100644 --- a/src/lib/usart.c +++ b/src/lib/usart.c @@ -86,7 +86,7 @@ void USART2_IRQHandler(void) { /* Don't overrun your buffer, seriously */ void USART3_IRQHandler(void) { /* Read the data */ - ring_buf3.buf[ring_buf2.tail++] = (uint8_t)(((usart_port*)(USART3_BASE))->DR); + ring_buf3.buf[ring_buf3.tail++] = (uint8_t)(((usart_port*)(USART3_BASE))->DR); ring_buf3.tail %= USART_RECV_BUF_SIZE; } @@ -124,12 +124,14 @@ void usart_init(uint8 usart_num, uint32 baud) { ring_buf = &ring_buf2; clk_speed = USART2_CLK; RCC_APB1PeriphClockCmd(RCC_APB1Periph_USART2, ENABLE); + REG_SET(NVIC_ISER1, BIT(6)); break; case 3: port = (usart_port*)USART3_BASE; ring_buf = &ring_buf3; clk_speed = USART3_CLK; RCC_APB1PeriphClockCmd(RCC_APB1Periph_USART3, ENABLE); + REG_SET(NVIC_ISER1, BIT(7)); break; default: /* should never get here */ @@ -153,8 +155,6 @@ void usart_init(uint8 usart_num, uint32 baud) { USART_RE | // receiver enable USART_RXNEIE; // receive interrupt enable - /* Turn it on in the nvic */ - REG_SET(NVIC_ISER1, BIT(6)); /* Enable the USART and set mode to 8n1 */ port->CR1 |= USART_UE; |