Disable EIC clock while also set GCLK_CTRL_CLKEN bit to 0

aalbinati · web-flow · commit dc9bf678652d · 2021-01-03T15:59:40.000-03:00
This commit fixes issue arduino-libraries#30
diff --git a/src/samd/ArduinoLowPower.cpp b/src/samd/ArduinoLowPower.cpp
@@ -5,7 +5,7 @@
 static void configGCLK6()
 {
 	// enable EIC clock
-	GCLK->CLKCTRL.bit.CLKEN = 0; //disable GCLK module
+	GCLK->CLKCTRL.reg = (uint16_t)(GCLK_CLKCTRL_ID(GCM_EIC));  // Disable EIC clock (also sets GCLK_CTRL_CLKEN bit to 0)
 	while (GCLK->STATUS.bit.SYNCBUSY);
 
 	GCLK->CLKCTRL.reg = (uint16_t) (GCLK_CLKCTRL_CLKEN | GCLK_CLKCTRL_GEN_GCLK6 | GCLK_CLKCTRL_ID( GCM_EIC )) ;  //EIC clock switched on GCLK6

Original file line number	Diff line number	Diff line change
`@@ -5,7 +5,7 @@`
`5`	`5`	`static void configGCLK6()`
`6`	`6`	`{`
`7`	`7`	`// enable EIC clock`
`8`		`- GCLK->CLKCTRL.bit.CLKEN = 0; //disable GCLK module`
	`8`	`+ GCLK->CLKCTRL.reg = (uint16_t)(GCLK_CLKCTRL_ID(GCM_EIC)); // Disable EIC clock (also sets GCLK_CTRL_CLKEN bit to 0)`
`9`	`9`	`while (GCLK->STATUS.bit.SYNCBUSY);`
`10`	`10`
`11`	`11`	`GCLK->CLKCTRL.reg = (uint16_t) (GCLK_CLKCTRL_CLKEN \| GCLK_CLKCTRL_GEN_GCLK6 \| GCLK_CLKCTRL_ID( GCM_EIC )) ; //EIC clock switched on GCLK6`