nrf: don't set PSELN, it's ignored in single ended mode anyway

aykevl · deadprogram · commit 7863bdb484d8 · 2025-12-04T18:48:22.000Z
We use single ended mode, so according to the datasheet PSELN is
ignored.
diff --git a/src/machine/machine_nrf52xxx.go b/src/machine/machine_nrf52xxx.go
@@ -141,7 +141,6 @@ func (a *ADC) Get() uint16 {
 	}
 
 	// Set pin to read.
-	nrf.SAADC.CH[0].PSELN.Set(pwmPin)
 	nrf.SAADC.CH[0].PSELP.Set(pwmPin)
 
 	// Destination for sample result.

Original file line number	Diff line number	Diff line change
`@@ -141,7 +141,6 @@ func (a *ADC) Get() uint16 {`
`141`	`141`	`}`
`142`	`142`
`143`	`143`	`// Set pin to read.`
`144`		`- nrf.SAADC.CH[0].PSELN.Set(pwmPin)`
`145`	`144`	`nrf.SAADC.CH[0].PSELP.Set(pwmPin)`
`146`	`145`
`147`	`146`	`// Destination for sample result.`