Merge pull request #1488 from simonduq/pr/jn516x-uart
jn516x: flush only uart Tx FIFO in main loop, leaving Rx FIFO intact
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badc4b77f1
@ -463,7 +463,7 @@ main_loop(void)
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#endif /* DCOSYNCH_CONF_ENABLED */
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#endif /* DCOSYNCH_CONF_ENABLED */
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/* flush standard output before sleeping */
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/* flush standard output before sleeping */
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uart_driver_flush(E_AHI_UART_0);
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uart_driver_flush(E_AHI_UART_0, TRUE, FALSE);
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/* calculate the time to the next etimer and rtimer */
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/* calculate the time to the next etimer and rtimer */
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time_to_etimer = clock_arch_time_to_etimer();
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time_to_etimer = clock_arch_time_to_etimer();
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@ -589,19 +589,21 @@ uart_driver_tx_in_progress(uint8_t uart_dev)
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*
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*
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* PARAMETERS: Name RW Usage
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* PARAMETERS: Name RW Usage
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* uart_dev R UART to disable, eg, E_AHI_UART_0
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* uart_dev R UART to disable, eg, E_AHI_UART_0
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* reset_tx R to reset the transmit FIFO
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* reset_rx R to reset the receive FIFO
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*
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*
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* RETURNS:
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* RETURNS:
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* void
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* void
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*
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*
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****************************************************************************/
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****************************************************************************/
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void
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void
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uart_driver_flush(uint8_t uart_dev)
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uart_driver_flush(uint8_t uart_dev, bool_t reset_tx, bool_t reset_rx)
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{
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{
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/* Disable TX Fifo empty and Rx data interrupts */
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/* Disable TX Fifo empty and Rx data interrupts */
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uart_driver_disable_interrupts(uart_dev);
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uart_driver_disable_interrupts(uart_dev);
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/* flush hardware buffer */
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/* flush hardware buffer */
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vAHI_UartReset(uart_dev, TRUE, TRUE);
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vAHI_UartReset(uart_dev, reset_tx, reset_rx);
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vAHI_UartReset(uart_dev, FALSE, FALSE);
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vAHI_UartReset(uart_dev, FALSE, FALSE);
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/* Re-enable TX Fifo empty and Rx data interrupts */
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/* Re-enable TX Fifo empty and Rx data interrupts */
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@ -58,7 +58,7 @@ void uart_driver_restore_interrupts(uint8_t uart_dev);
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uint8_t uart_driver_tx_in_progress(uint8_t uart_dev);
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uint8_t uart_driver_tx_in_progress(uint8_t uart_dev);
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#ifdef UART_EXTRAS
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#ifdef UART_EXTRAS
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void uart_driver_flush(uint8_t uart_dev);
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void uart_driver_flush(uint8_t uart_dev, bool_t reset_tx, bool_t reset_rx);
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#endif
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#endif
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#endif /* UARTDRIVER_H */
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#endif /* UARTDRIVER_H */
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