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drivers: nrf: Fix values in UARTE async API callback.

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There is possibility that endrx interrupt will be triggered in the
middle of timer interrupt responsible for UARTE timeout, this
patch handles this case.

Signed-off-by: Mieszko Mierunski <mieszko.mierunski@nordicsemi.no>
This commit is contained in:
Mieszko Mierunski 2019-10-29 14:46:39 +01:00 • committed by Maureen Helm
commit 117bc6dfa4
1 changed files with 4 additions and 4 deletions
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8
drivers/serial/uart_nrfx_uarte.c
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@ -636,13 +636,13 @@ static void rx_timeout(struct k_timer *timer)
} }
/* Check if there is data that was not sent to user yet */ /* Check if there is data that was not sent to user yet */
if (data->async->rx_total_byte_cnt
!= data->async->rx_total_user_byte_cnt) { s32_t len = data->async->rx_total_byte_cnt
- data->async->rx_total_user_byte_cnt;
if (len > 0) {
if (data->async->rx_timeout_left if (data->async->rx_timeout_left
< data->async->rx_timeout_slab) { < data->async->rx_timeout_slab) {
/* rx_timeout ms elapsed since last receiving */ /* rx_timeout ms elapsed since last receiving */
u32_t len = data->async->rx_total_byte_cnt
- data->async->rx_total_user_byte_cnt;
struct uart_event evt = { struct uart_event evt = {
.type = UART_RX_RDY, .type = UART_RX_RDY,
.data.rx.buf = data->async->rx_buf, .data.rx.buf = data->async->rx_buf,