From 77035738d20b509082ffcf2d4db0ef5f5e87f112 Mon Sep 17 00:00:00 2001
From: Paul Schroeder <milkpirate@users.noreply.github.com>
Date: Sat, 18 Jan 2025 17:07:12 +0100
Subject: [PATCH] chore(review): honor

Signed-off-by: Paul Schroeder <milkpirate@users.noreply.github.com>
---
 src/machine/machine_nrf52xxx.go | 18 ++++++++++++++++--
 1 file changed, 16 insertions(+), 2 deletions(-)

diff --git a/src/machine/machine_nrf52xxx.go b/src/machine/machine_nrf52xxx.go
index 16c4040248..d911238970 100644
--- a/src/machine/machine_nrf52xxx.go
+++ b/src/machine/machine_nrf52xxx.go
@@ -25,7 +25,6 @@ func InitADC() {
 // SampleTime will be ceiled to 3(default), 5, 10, 15, 20 or 40(max) µS respectively
 // Samples can be 1(default), 2, 4, 8, 16, 32, 64, 128, 256 samples
 func (a *ADC) Configure(config ADCConfig) {
-
 	var configVal uint32 = nrf.SAADC_CH_CONFIG_RESP_Bypass<<nrf.SAADC_CH_CONFIG_RESP_Pos |
 		nrf.SAADC_CH_CONFIG_RESP_Bypass<<nrf.SAADC_CH_CONFIG_RESN_Pos |
 		nrf.SAADC_CH_CONFIG_REFSEL_Internal<<nrf.SAADC_CH_CONFIG_REFSEL_Pos |
@@ -169,7 +168,22 @@ func (a *ADC) Get() uint16 {
 	}
 	nrf.SAADC.EVENTS_STOPPED.Set(0)
 
-	return rawValue.Get()
+	rawValue := uint16(rawValue.Get())
+	// convert to 16 bit resolution/value
+	switch nrf.SAADC.RESOLUTION.Get() {
+	case nrf.SAADC_RESOLUTION_VAL_8bit:
+		rawValue <<= 8
+	case nrf.SAADC_RESOLUTION_VAL_10bit:
+		rawValue <<= 6
+	case nrf.SAADC_RESOLUTION_VAL_12bit:
+		rawValue <<= 4
+	case nrf.SAADC_RESOLUTION_VAL_14bit:
+		rawValue <<= 2
+	default:
+		rawValue <<= 4 // 12bit
+	}
+
+	return rawValue
 }
 
 // SPI on the NRF.