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samv71-xplained-atwilc3000: fix HAL UART Receive in IRQ mode

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This commit is contained in:
Matthias Ringwald 2017-07-28 12:25:16 +02:00
parent c267d18bb4
commit 5c5e48573f
1 changed files with 13 additions and 8 deletions
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21
port/samv71-xplained-atwilc3000/main.c
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@ -382,15 +382,20 @@ void USART_Handler(void)
// handle byte available for read
if (ul_status & US_IER_RXRDY) {
uint32_t ch;
usart_read(BOARD_USART, (uint32_t *)&ch);
*rx_buffer_ptr++ = ch;
bytes_to_read--;
if (bytes_to_read == 0){
// done. disable rx ready interrupt, raise RTS
hal_uart_rts_high();
if (bytes_to_read){
uint32_t ch;
usart_read(BOARD_USART, (uint32_t *)&ch);
*rx_buffer_ptr++ = ch;
bytes_to_read--;
if (bytes_to_read == 0){
// done. disable rx ready interrupt, raise RTS
hal_uart_rts_high();
usart_disable_interrupt(BOARD_USART, US_IER_RXRDY);
rx_done_handler();
}
} else {
// shoult not happen, disable irq anyway
usart_disable_interrupt(BOARD_USART, US_IER_RXRDY);
rx_done_handler();
}
}
}