From 8b197451edf2c0b2dba923e6ba868d4f25e76c8d Mon Sep 17 00:00:00 2001
From: rusEfi <russianefi@gmail.com>
Date: Wed, 26 Nov 2014 22:03:05 -0600
Subject: [PATCH] auto-sync

---
 firmware/controllers/core/le_functions.cpp   |  3 +++
 firmware/controllers/core/logic_expression.h |  1 +
 firmware/controllers/engine_controller.cpp   |  5 ++++-
 firmware/controllers/sensors/allsensors.cpp  | 12 ++++++++++++
 firmware/controllers/sensors/allsensors.h    |  2 ++
 5 files changed, 22 insertions(+), 1 deletion(-)

diff --git a/firmware/controllers/core/le_functions.cpp b/firmware/controllers/core/le_functions.cpp
index 7ed43452cc..c2e5dce782 100644
--- a/firmware/controllers/core/le_functions.cpp
+++ b/firmware/controllers/core/le_functions.cpp
@@ -22,6 +22,7 @@ static LENameOrdinalPair leMaf(LE_METHOD_MAF, "maf");
 static LENameOrdinalPair leVBatt(LE_METHOD_VBATT, "vbatt");
 static LENameOrdinalPair leFan(LE_METHOD_FAN, "fan");
 static LENameOrdinalPair leCoolant(LE_METHOD_COOLANT, "coolant");
+static LENameOrdinalPair leAcToggle(LE_METHOD_AC_TOGGLE, "ac_toggle");
 static LENameOrdinalPair leFanOnSetting(LE_METHOD_FAN_ON_SETTING, "fan_on_setting");
 static LENameOrdinalPair leFanOffSetting(LE_METHOD_FAN_OFF_SETTING, "fan_off_setting");
 static LENameOrdinalPair leTimeSinceBoot(LE_METHOD_TIME_SINCE_BOOT, "time_since_boot");
@@ -32,6 +33,8 @@ float getLEValue(Engine *engine, le_action_e action) {
 	switch (action) {
 	case LE_METHOD_FAN:
 		return getOutputPinValue(FAN_RELAY);
+	case LE_METHOD_AC_TOGGLE:
+		return getAcToggle(engine);
 	case LE_METHOD_COOLANT:
 		return getCoolantTemperature(engine);
 	case LE_METHOD_INTAKE_AIR:
diff --git a/firmware/controllers/core/logic_expression.h b/firmware/controllers/core/logic_expression.h
index bd1b4a15fb..b8d840c0fb 100644
--- a/firmware/controllers/core/logic_expression.h
+++ b/firmware/controllers/core/logic_expression.h
@@ -38,6 +38,7 @@ typedef enum {
 	LE_METHOD_MAF = 107,
 	LE_METHOD_INTAKE_AIR = 108,
 	LE_METHOD_VBATT = 109,
+	LE_METHOD_AC_TOGGLE = 110,
 
 	Force_4b_le_action = ENUM_SIZE_HACK,
 
diff --git a/firmware/controllers/engine_controller.cpp b/firmware/controllers/engine_controller.cpp
index 2f22f954f5..1fdcc37694 100644
--- a/firmware/controllers/engine_controller.cpp
+++ b/firmware/controllers/engine_controller.cpp
@@ -277,7 +277,9 @@ static void printAnalogChannelInfoExt(const char *name, adc_channel_e hwChannel,
 }
 
 static void printAnalogChannelInfo(const char *name, adc_channel_e hwChannel) {
-	printAnalogChannelInfoExt(name, hwChannel, getVoltage(hwChannel));
+	if (hwChannel != EFI_ADC_NONE) {
+		printAnalogChannelInfoExt(name, hwChannel, getVoltage(hwChannel));
+	}
 }
 
 static void printAnalogInfo(void) {
@@ -292,6 +294,7 @@ static void printAnalogInfo(void) {
 	if (engineConfiguration->hasBaroSensor) {
 		printAnalogChannelInfo("BARO", engineConfiguration->baroSensor.hwChannel);
 	}
+	printAnalogChannelInfo("A/C sw", engineConfiguration->acSwitchAdc);
 	printAnalogChannelInfoExt("Vbatt", engineConfiguration->vbattAdcChannel, getVBatt(engineConfiguration));
 }
 
diff --git a/firmware/controllers/sensors/allsensors.cpp b/firmware/controllers/sensors/allsensors.cpp
index 8a1481c72c..8fae42d8af 100644
--- a/firmware/controllers/sensors/allsensors.cpp
+++ b/firmware/controllers/sensors/allsensors.cpp
@@ -12,3 +12,15 @@
 void initSensors(Engine *engine) {
 	initThermistors(engine);
 }
+
+// todo: move this somewhere else? maybe.
+bool getAcToggle(Engine *engine) {
+	engine_configuration_s *engineConfiguration = engine->engineConfiguration;
+	/**
+	 * todo: make this flexible
+	 *
+	 * for now we are looking for a pull-up. High level means input switch is floating (which is OFF position)
+	 * low value means input is ground - which means ON.
+	 */
+	return getVoltageDivided(engine->engineConfiguration->acSwitchAdc) < 2.5;
+}
diff --git a/firmware/controllers/sensors/allsensors.h b/firmware/controllers/sensors/allsensors.h
index 49ba691b5e..36766bb145 100644
--- a/firmware/controllers/sensors/allsensors.h
+++ b/firmware/controllers/sensors/allsensors.h
@@ -27,4 +27,6 @@
 
 void initSensors(Engine *engine);
 
+bool getAcToggle(Engine *engine);
+
 #endif /*SENSORS_H_*/