diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/lib/usart.c | 7 | ||||
| -rw-r--r-- | src/wiring/comm/HardwareSerial.cpp | 2 |
2 files changed, 9 insertions, 0 deletions
diff --git a/src/lib/usart.c b/src/lib/usart.c index 96e920c..0fd4e05 100644 --- a/src/lib/usart.c +++ b/src/lib/usart.c @@ -76,6 +76,11 @@ typedef struct usart_port { volatile uint32 GTPR; // Guard time and prescaler register } usart_port; +void USART1_IRQHandler(void) { + /* Read the data */ + ring_buf1.buf[ring_buf1.tail++] = (uint8_t)(((usart_port*)(USART1_BASE))->DR); + ring_buf1.tail %= USART_RECV_BUF_SIZE; +} /* Don't overrun your buffer, seriously */ void USART2_IRQHandler(void) { @@ -118,6 +123,8 @@ void usart_init(uint8 usart_num, uint32 baud) { port = (usart_port*)USART1_BASE; ring_buf = &ring_buf1; clk_speed = USART1_CLK; + RCC_APB2PeriphClockCmd(RCC_APB2Periph_USART1, ENABLE); + REG_SET(NVIC_ISER1, BIT(5)); break; case 2: port = (usart_port*)USART2_BASE; diff --git a/src/wiring/comm/HardwareSerial.cpp b/src/wiring/comm/HardwareSerial.cpp index 3d0a0ce..04d8d18 100644 --- a/src/wiring/comm/HardwareSerial.cpp +++ b/src/wiring/comm/HardwareSerial.cpp @@ -72,6 +72,8 @@ void HardwareSerial::begin(uint32_t baud) { case 1: gpio_set_mode(USART1_TX_PORT, USART1_TX_PIN, GPIO_MODE_AF_OUTPUT_PP); gpio_set_mode(USART1_RX_PORT, USART1_RX_PIN, GPIO_MODE_INPUT_FLOATING); + /* Turn off any pwm */ + timers_disable_channel(1, 2); break; case 2: gpio_set_mode(USART2_TX_PORT, USART2_TX_PIN, GPIO_MODE_AF_OUTPUT_PP); |