Add ability to calibrate input DC voltage reading, V1.05

Closes #5

workspace/ts100/inc/Analog.h

@@ -16,5 +16,5 @@ extern volatile uint16_t ADC1ConvertedValue[2];
 
 uint16_t Get_ADC1Value(uint8_t i);
 uint16_t readIronTemp(uint16_t calibration_temp, uint8_t read,uint16_t setPointTemp); //read the iron temp in C X10
-uint16_t readDCVoltage();/*Get the system voltage X10*/
+uint16_t readDCVoltage(uint16_t divFactor);/*Get the system voltage X10*/
 #endif /* ANALOG_H_ */

workspace/ts100/inc/Modes.h

@@ -17,16 +17,17 @@
 #include "Settings.h"
 #include "Analog.h"
 enum {
-	STARTUP, //we are sitting on the prompt to push a button
-	SOLDERING,
-	TEMP_ADJ,
-	SETTINGS,
-	SLEEP,
-	COOLING,
-	UVLOWARN,
-	THERMOMETER,
-	DCINDISP,
-	TEMPCAL,
+	STARTUP, 		//we are sitting on the prompt to push a button
+	SOLDERING, 		//Normal operating mode
+	TEMP_ADJ,		//Adjust the set temperature
+	SETTINGS,		//Settings menu
+	SLEEP,			//Iron is snoozing due to lack of use
+	COOLING,		//Iron is cooling down -> Warning screen
+	UVLOWARN,		//Unit tripped low voltage
+	THERMOMETER,	//Read the tip temp
+	DCINDISP,		//Disp the input voltage && Cal the DCin voltage divider
+	TEMPCAL,		//Cal tip temp offset
+
 } operatingMode;
 
 enum {

workspace/ts100/inc/Settings.h

@@ -11,7 +11,7 @@
 #define SETTINGS_H_
 #include <stdint.h>
 #include "stm32f10x_flash.h"
-#define SETTINGSVERSION 0x03 /*Change this if you change the struct below to prevent people getting out of sync*/
+#define SETTINGSVERSION 0x04 /*Change this if you change the struct below to prevent people getting out of sync*/
 #define SETTINGSOPTIONSCOUNT 6 /*Number of settings in the settings menu*/
 #define MOTION_HIGH (0x00)
 #define MOTION_MED  (0x10)
@@ -30,6 +30,7 @@ struct {
 	uint8_t flipDisplay:1;			//If true we want to invert the display for lefties
 	uint8_t sensitivity:7;			//Sensitivity of accelerometer
 	uint16_t tempCalibration;		//Temperature calibration value
+	uint16_t voltageDiv;			//Voltage divisor factor
 } systemSettings;
 
 void saveSettings();