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atsam: Move irq handler code above irq setup

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Only code movement.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor
2019-08-22 09:12:24 -04:00
parent 6338f6a5f0
commit fc879456db
3 changed files with 65 additions and 65 deletions
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44
src/atsam/serial.c
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@@ -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;
}