diff options
Diffstat (limited to 'src/lib/usart.c')
| -rw-r--r-- | src/lib/usart.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/src/lib/usart.c b/src/lib/usart.c index a06690e..76685fd 100644 --- a/src/lib/usart.c +++ b/src/lib/usart.c @@ -83,7 +83,12 @@ void USART2_IRQHandler(void) { ring_buf2.buf[ring_buf2.tail++] = (uint8_t)(((usart_port*)(USART2_BASE))->DR); ring_buf2.tail %= USART_RECV_BUF_SIZE; } - +/* 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.tail %= USART_RECV_BUF_SIZE; +} /** * @brief Enable a USART in single buffer transmission mode, multibuffer @@ -124,6 +129,7 @@ void usart_init(uint8 usart_num, uint32 baud) { port = (usart_port*)USART3_BASE; ring_buf = &ring_buf3; clk_speed = USART3_CLK; + RCC_APB1PeriphClockCmd(RCC_APB1Periph_USART3, ENABLE); break; default: /* should never get here */ |