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Merge pull request #1919 from nrndda/uart_tx_irq_handling_fix 

Uart tx irq handling fix
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enjoy-digital 2024-04-12 10:45:12 +02:00 committed by GitHub
parent 2bc41928a3 6885770e47
commit 2d1dd45fd2
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1 changed files with 1 additions and 1 deletions
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2
litex/soc/software/libbase/uart.c
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@ -49,11 +49,11 @@ void uart_isr(void)
} }
if(stat & UART_EV_TX) { if(stat & UART_EV_TX) {
uart_ev_pending_write(UART_EV_TX);
while((tx_consume != tx_produce) && !uart_txfull_read()) { while((tx_consume != tx_produce) && !uart_txfull_read()) {
uart_rxtx_write(tx_buf[tx_consume]); uart_rxtx_write(tx_buf[tx_consume]);
tx_consume = (tx_consume + 1) & UART_RINGBUFFER_MASK_TX; tx_consume = (tx_consume + 1) & UART_RINGBUFFER_MASK_TX;
} }
uart_ev_pending_write(UART_EV_TX);
} }
} }