Use reg instead of bit to enable/disable the DRE interrupt

sandeepmistry · cmaglie · commit 12b3774c3f75 · 2017-07-11T12:58:15.000+02:00
The RXC interrupt was being disabled when using bit to disable the DRE
interrupt.
diff --git a/cores/arduino/SERCOM.cpp b/cores/arduino/SERCOM.cpp
@@ -175,12 +175,12 @@ int SERCOM::writeDataUART(uint8_t data)
 
 void SERCOM::enableDataRegisterEmptyInterruptUART()
 {
-  sercom->USART.INTENSET.bit.DRE = 1;
+  sercom->USART.INTENSET.reg |= SERCOM_USART_INTENSET_DRE;
 }
 
 void SERCOM::disableDataRegisterEmptyInterruptUART()
 {
-  sercom->USART.INTENCLR.bit.DRE = 1;
+  sercom->USART.INTENCLR.reg = SERCOM_USART_INTENCLR_DRE;
 }
 
 /*	=========================

Original file line number	Diff line number	Diff line change
`@@ -175,12 +175,12 @@ int SERCOM::writeDataUART(uint8_t data)`
`175`	`175`
`176`	`176`	`void SERCOM::enableDataRegisterEmptyInterruptUART()`
`177`	`177`	`{`
`178`		`- sercom->USART.INTENSET.bit.DRE = 1;`
	`178`	`+ sercom->USART.INTENSET.reg \|= SERCOM_USART_INTENSET_DRE;`
`179`	`179`	`}`
`180`	`180`
`181`	`181`	`void SERCOM::disableDataRegisterEmptyInterruptUART()`
`182`	`182`	`{`
`183`		`- sercom->USART.INTENCLR.bit.DRE = 1;`
	`183`	`+ sercom->USART.INTENCLR.reg = SERCOM_USART_INTENCLR_DRE;`
`184`	`184`	`}`
`185`	`185`
`186`	`186`	`/* =========================`