From 58294883d7a8a2032108d782abc20933197be81b Mon Sep 17 00:00:00 2001
From: Peli de Halleux <pelikhan@users.noreply.github.com>
Date: Sun, 13 Oct 2019 00:35:20 -0700
Subject: [PATCH] blink fix (#949)

---
 libs/color-sensor/color.ts |  2 --
 libs/core/input.ts         | 14 ++++++++------
 2 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/libs/color-sensor/color.ts b/libs/color-sensor/color.ts
index ef7fc9fe..90105692 100644
--- a/libs/color-sensor/color.ts
+++ b/libs/color-sensor/color.ts
@@ -1,5 +1,4 @@
 const enum ColorSensorMode {
-    None = 0,
     //% block="reflected light intensity"
     ReflectedLightIntensity = 0,
     //% block="ambient light intensity"
@@ -59,7 +58,6 @@ namespace sensors {
 
         constructor(port: number) {
             super(port)
-            this._setMode(ColorSensorMode.None);
             this.thresholdDetector = new sensors.ThresholdDetector(this.id());
             this.calibrating = false;
         }
diff --git a/libs/core/input.ts b/libs/core/input.ts
index aba85155..3966ed56 100644
--- a/libs/core/input.ts
+++ b/libs/core/input.ts
@@ -277,21 +277,23 @@ void      cUiUpdatePower(void)
         const conns = analogMM.slice(AnalogOff.InConn, DAL.NUM_INPUTS)
         let r = 0;
         for (let i = 0; i < conns.length; ++i) {
-            r = (r << 8 | conns[i]);
+            r = conns[i] + (r << 6) + (r << 16) - r;
         }
         return r;
     }
 
     let nonActivated = 0;
     function detectDevices() {
-        //control.dmesg(`detect devices (${nonActivated} na)`)
+        control.dmesg(`detect devices (hash ${hashDevices()})`)
         const conns = analogMM.slice(AnalogOff.InConn, DAL.NUM_INPUTS)
         let numChanged = 0;
         const uartSensors: SensorInfo[] = [];
 
         for (const sensorInfo of sensorInfos) {
             const newConn = conns[sensorInfo.port]
-            if (newConn == sensorInfo.connType) {
+            if (newConn == sensorInfo.connType
+                && sensorInfo.sensor
+                && sensorInfo.sensor.isActive()) {
                 // control.dmesg(`connection unchanged ${newConn} at ${sensorInfo.port}`)
                 continue;
             }
@@ -427,11 +429,11 @@ void      cUiUpdatePower(void)
         constructor(port: number) {
             super(port)
             this.mode = 0
-            this.realmode = 0
+            this.realmode = -1
         }
 
         _activated() {
-            this.realmode = 0
+            this.realmode = -1
             this._setMode(this.mode)
         }
 
@@ -458,7 +460,7 @@ void      cUiUpdatePower(void)
 
         reset() {
             if (this.isActive()) uartReset(this._port);
-            this.realmode = 0;
+            this.realmode = -1;
         }
     }