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Code Issues Releases Activity

Check TXEMPTY flag instead of TXRDY flag on Serial.flush()

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As suggested by @borisff in #4128.
This commit is contained in:
Sandeep Mistry 2015-11-17 13:20:11 -05:00
parent d0bd09c8d3
commit 435f6790da
1 changed files with 1 additions and 1 deletions
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2
hardware/arduino/sam/cores/arduino/UARTClass.cpp
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@ -138,7 +138,7 @@ void UARTClass::flush( void )
{ {
while (_tx_buffer->_iHead != _tx_buffer->_iTail); //wait for transmit data to be sent while (_tx_buffer->_iHead != _tx_buffer->_iTail); //wait for transmit data to be sent
// Wait for transmission to complete // Wait for transmission to complete
while ((_pUart->UART_SR & UART_SR_TXRDY) != UART_SR_TXRDY) while ((_pUart->UART_SR & UART_SR_TXEMPTY) != UART_SR_TXEMPTY)
; ;
} }