diff options
Diffstat (limited to 'src/atsam/serial.c')
| -rw-r--r-- | src/atsam/serial.c | 44 |
1 files changed, 22 insertions, 22 deletions
diff --git a/src/atsam/serial.c b/src/atsam/serial.c index 051256d4..62c8ac44 100644 --- a/src/atsam/serial.c +++ b/src/atsam/serial.c @@ -34,6 +34,28 @@ static const uint32_t tx_pin = GPIO('A', 10); DECL_CONSTANT_STR("RESERVE_PINS_serial", "PA9,PA10"); #endif +void __visible +Serial_IRQ_Handler(void) +{ + uint32_t status = Port->UART_SR; + if (status & UART_SR_RXRDY) + serial_rx_byte(Port->UART_RHR); + if (status & UART_SR_TXRDY) { + uint8_t data; + int ret = serial_get_tx_byte(&data); + if (ret) + Port->UART_IDR = UART_IDR_TXRDY; + else + Port->UART_THR = data; + } +} + +void +serial_enable_tx_irq(void) +{ + Port->UART_IER = UART_IDR_TXRDY; +} + void serial_init(void) { @@ -57,25 +79,3 @@ serial_init(void) Port->UART_CR = UART_CR_RXEN | UART_CR_TXEN; } DECL_INIT(serial_init); - -void __visible -Serial_IRQ_Handler(void) -{ - uint32_t status = Port->UART_SR; - if (status & UART_SR_RXRDY) - serial_rx_byte(Port->UART_RHR); - if (status & UART_SR_TXRDY) { - uint8_t data; - int ret = serial_get_tx_byte(&data); - if (ret) - Port->UART_IDR = UART_IDR_TXRDY; - else - Port->UART_THR = data; - } -} - -void -serial_enable_tx_irq(void) -{ - Port->UART_IER = UART_IDR_TXRDY; -} |