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UART: make IRQ/ISR enabling simpler

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Change-Id: Id3742850eb5bac91559e0c2b4144bd7b1ae5b07b
This commit is contained in:
Kévin Redon
2018-07-07 14:51:35 +02:00
parent d44cb80bc5
commit fcf2743552
1 changed files with 4 additions and 8 deletions
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12
firmware/libboard/common/source/uart_console.c
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@@ -150,16 +150,12 @@ extern void UART_PutChar( uint8_t c )
} }
/* Only store input if buffer is not full, else drop it */ /* Only store input if buffer is not full, else drop it */
bool trigger_isr = false;
if (rbuf_is_empty(&uart_tx_buffer)) {
trigger_isr = true;
}
if (!rbuf_is_full(&uart_tx_buffer)) { if (!rbuf_is_full(&uart_tx_buffer)) {
rbuf_write(&uart_tx_buffer, c); rbuf_write(&uart_tx_buffer, c);
} if (!(pUart->UART_IMR & UART_IMR_TXRDY)) {
if (trigger_isr) { pUart->UART_IER = UART_IER_TXRDY;
pUart->UART_IER = UART_IER_TXRDY; CONSOLE_ISR();
CONSOLE_ISR(); }
} }
} }