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Merge pull request #4003 from productize/master 

Fixed OBOE in async serial tx for NRF52 target, fixes #4002
pull/3994/head
Sam Grove 2017-03-29 22:43:24 +01:00 committed by GitHub
parent 405ab0c005 5c4c6ace0f
commit 91ecc52da0
1 changed files with 2 additions and 1 deletions
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3
targets/TARGET_NORDIC/TARGET_NRF5/serial_api.c
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@ -199,12 +199,13 @@ void UART_IRQ_HANDLER(void)
#if DEVICE_SERIAL_ASYNCH
if (UART_CB.tx_active) {
if (++UART_CB.tx_pos <= UART_CB.tx_length) {
if (UART_CB.tx_pos < UART_CB.tx_length) {
// When there is still something to send, clear the TXDRDY event
// and put next byte to transmitter.
nrf_uart_event_clear(UART_INSTANCE, NRF_UART_EVENT_TXDRDY);
nrf_uart_txd_set(UART_INSTANCE,
UART_CB.tx_buffer[UART_CB.tx_pos]);
UART_CB.tx_pos++;
}
else {
// When the TXDRDY event is set after the last byte to be sent