[riot-notifications] [RIOT-OS/RIOT] drivers/dose: make use of start condition received interrupt (#16506)

benpicco notifications at github.com
Mon Jul 26 13:23:09 CEST 2021

@benpicco commented on this pull request.

> @@ -396,6 +423,17 @@ static inline void irq_handler(unsigned uartnum)
+    if (status & SERCOM_USART_INTFLAG_RXS && dev(uartnum)->INTENSET.bit.RXS) {
+        /* clear receive start flag */
+        dev(uartnum)->INTFLAG.reg = SERCOM_USART_INTFLAG_RXS;

Collision detection is a separate feature of the UART unrelated to this PR (`COLDEN` / `STATUS.COLL`) 

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