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Fix USART for overrun error.

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NIIBE Yutaka
2017-12-16 17:01:58 +09:00
parent 26d5bb0115
commit 265fb971c0
1 changed files with 6 additions and 0 deletions
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6
contrib/usart-stm32f103.c
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@@ -423,6 +423,12 @@ handle_intr (struct USART *USARTx, struct rb *rb2a, struct usart_stat *stat)
stat->rx++; stat->rx++;
} }
} }
else if ((r & USART_SR_ORE))
{ /* Clear ORE */
uint32_t data = USARTx->DR;
asm volatile ("" : : "r" (data) : "memory");
stat->err_rx_overrun++;
}
return tx_ready; return tx_ready;
} }