Updating cutoff voltage to DC/3.5V*cell count

Working on progress for:
#29 #30

workspace/ts100/inc/Analog.h

@@ -15,6 +15,9 @@
 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 readIronTemp(uint16_t calibration_temp, uint8_t read,
+		uint16_t setPointTemp); //read the iron temp in C X10
 uint16_t readDCVoltage(uint16_t divFactor);/*Get the system voltage X10*/
+int16_t readTipTemp();
+int readSensorTemp(void);
 #endif /* ANALOG_H_ */

workspace/ts100/inc/Modes.h

@@ -16,6 +16,7 @@
 #include "PID.h"
 #include "Settings.h"
 #include "Analog.h"
+#include <string.h>
 enum {
 	STARTUP, 		//we are sitting on the prompt to push a button
 	SOLDERING, 		//Normal operating mode

workspace/ts100/inc/Settings.h

@@ -11,7 +11,7 @@
 #define SETTINGS_H_
 #include <stdint.h>
 #include "stm32f10x_flash.h"
-#define SETTINGSVERSION 12 /*Change this if you change the struct below to prevent people getting out of sync*/
+#define SETTINGSVERSION 13 /*Change this if you change the struct below to prevent people getting out of sync*/
 //Display Speeds
 #define DISPLAYMODE_FAST 	(0x00)
 #define DISPLAYMODE_MEDIUM 	(0x01)
@@ -29,7 +29,7 @@ struct {
 	uint32_t SleepTemp; 			//temp to drop to in sleep
 	uint8_t version;				//Used to track if a reset is needed on firmware upgrade
 	uint8_t SleepTime; 				//minutes timeout to sleep
-	uint8_t cutoutVoltage:5; 		//The voltage we cut out at for under voltage
+	uint8_t cutoutSetting:5; 		//(3 bits) The voltage we cut out at for under voltage
 	uint8_t displayTempInF:1;		//If we need to convert the C reading to F
 	uint8_t flipDisplay:1;			//If true we want to invert the display for lefties
 	uint8_t sensitivity:6;			//Sensitivity of accelerometer (5 bits)
@@ -44,5 +44,6 @@ struct {
 
 void saveSettings();
 void restoreSettings();
+uint8_t lookupVoltageLevel(uint8_t level);
 void resetSettings();
 #endif /* SETTINGS_H_ */

workspace/ts100/src/Main.c

@@ -34,14 +34,12 @@ void setup() {
 	I2C_Configuration();								//Start the I2C hardware
 	GPIO_Init_OLED();									//Init the GPIO ports for the OLED
 	restoreSettings();									//Load settings
-
-	StartUp_Accelerometer(systemSettings.sensitivity); 	//start the accelerometer
-
+	StartUp_Accelerometer(systemSettings.sensitivity); 	//Start the accelerometer
 	setupPID(); 										//Init the PID values
 	readIronTemp(systemSettings.tempCalibration, 0,0); 	//load the default calibration value
 	Init_Oled(systemSettings.flipDisplay); 				//Init the OLED display
 
-	OLED_DrawString("VER 1.13", 8); 					//Version Number
+	OLED_DrawString("VER 1.14", 8); 					//Version Number
 	delayMs(500);										//Pause to show version number
 	Start_Watchdog(1000); 								//start the system watch dog as 1 second timeout
 }

workspace/ts100/src/Modes.c

@@ -5,7 +5,8 @@
  *      Author: Ralim <ralim@ralimtek.com>
  */
 #include "Modes.h"
-const char *SettingsLongNames[] = { "      Undervoltage Cutout <V>",
+const char *SettingsLongNames[] = {
+		"      Power source. Sets cutoff voltage. <DC 10V> <S 3.5V per cell>",
 		"      Sleep Temperature <C>", "      Sleep Timeout <Minutes>",
 		"      Shutdown Timeout <Minutes>",
 		"      Motion Sensitivity <0.Off 1.least sensitive 9.most sensitive>",
@@ -14,8 +15,6 @@ const char *SettingsLongNames[] = { "      Undervoltage Cutout <V>",
 		"      Flip Display for Left Hand",
 		"      Enable front key boost 450C mode when soldering",
 		"      Temperature when in boost mode" };
-const uint8_t SettingsLongNamesLengths[] = { 29, 27, 29, 32, 67, 22, 33, 37, 32,
-		53, 36 };
 uint8_t StatusFlags = 0;
 uint32_t temporaryTempStorage = 0;
 //This does the required processing and state changes
@@ -95,7 +94,7 @@ void ProcessUI() {
 					}
 				}
 			uint16_t voltage = readDCVoltage(systemSettings.voltageDiv); //get X10 voltage
-			if ((voltage / 10) < systemSettings.cutoutVoltage) {
+			if ((voltage) < lookupVoltageLevel(systemSettings.cutoutSetting)) {
 				operatingMode = UVLOWARN;
 				lastModeChange = millis();
 			}
@@ -147,9 +146,8 @@ void ProcessUI() {
 				switch (settingsPage) {
 				case UVCO:
 					//we are incrementing the cutout voltage
-					systemSettings.cutoutVoltage += 1;		//Go up 1V at a jump
-					if (systemSettings.cutoutVoltage > 24)
-						systemSettings.cutoutVoltage = 10;
+					systemSettings.cutoutSetting += 1;		//Go up 1V at a jump
+					systemSettings.cutoutSetting %= 5;		//wrap 0->4
 					break;
 				case SLEEP_TEMP:
 					systemSettings.SleepTemp += 100;	//Go up 10C at a time
@@ -455,7 +453,7 @@ void DrawUI() {
 			StatusFlags = 4;
 			//If the user has idled for > 3 seconds, show the long name for the selected setting instead
 			//draw from settingsLongTestScrollPos through to end of screen
-			uint8_t lengthLeft = SettingsLongNamesLengths[settingsPage]
+			uint8_t lengthLeft = strlen(SettingsLongNames[settingsPage])
 					- settingsLongTestScrollPos;
 			if (lengthLeft < 1)
 				settingsLongTestScrollPos = 0;
@@ -476,9 +474,16 @@ void DrawUI() {
 			settingsLongTestScrollPos = 0;
 			switch (settingsPage) {
 			case UVCO:
-				OLED_DrawString("UVCO ", 5);
-				OLED_DrawTwoNumber(systemSettings.cutoutVoltage, 5);
-				OLED_DrawChar('V', 7);
+				OLED_DrawString("PWRSC ", 6);
+				if (systemSettings.cutoutSetting == 0) {
+					//DC
+					OLED_DrawChar('D', 6);
+					OLED_DrawChar('C', 7);
+				} else {
+					//S count
+					OLED_DrawChar('2' + systemSettings.cutoutSetting, 6);
+					OLED_DrawChar('S', 7);
+				}
 				break;
 			case SLEEP_TEMP:
 				OLED_DrawString("STMP ", 5);

workspace/ts100/src/Settings.c

@@ -38,23 +38,36 @@ void restoreSettings() {
 	}
 
 }
-
+//Lookup function for cutoff setting -> X10 voltage
+/*
+ * 0=DC
+ * 1=3S
+ * 2=4S
+ * 3=5S
+ * 4=6S
+ */
+uint8_t lookupVoltageLevel(uint8_t level) {
+	if (level == 0)
+		return 100;	//10V since iron does not function below this
+	else
+		return (level * 35) + (35 * 2);
+}
 void resetSettings() {
 
-	systemSettings.SleepTemp = 1500;			//Temperature the iron sleeps at - default 150.0 C
-	systemSettings.SleepTime = 1;				//How many minutes we wait until going to sleep - default 1 min
-	systemSettings.SolderingTemp = 3200;		//Default soldering temp is 320.0 C
-	systemSettings.cutoutVoltage = 10;			//10V is the minium cutout voltage as the unit V measurement is unstable below 9.5V
-	systemSettings.version = SETTINGSVERSION;	//Store the version number to allow for easier upgrades
-	systemSettings.displayTempInF =0;			//default to C
-	systemSettings.flipDisplay=0;				//Default to right handed mode
-	systemSettings.sensitivity=6;				//Default high sensitivity
-	systemSettings.tempCalibration=239;			//Default to their calibration value
-	systemSettings.voltageDiv=144;				//Default divider from schematic
-	systemSettings.ShutdownTime=30;				//How many minutes until the unit turns itself off
-	systemSettings.displayUpdateSpeed=1;		//How fast the LCD updates
-	systemSettings.temperatureRounding=0;		//How the temperature is rounded off
-	systemSettings.boostModeEnabled=0;			//Default to safe, with no boost mode
-	systemSettings.BoostTemp=4000;				//default to 400C
+	systemSettings.SleepTemp = 1500;//Temperature the iron sleeps at - default 150.0 C
+	systemSettings.SleepTime = 1;//How many minutes we wait until going to sleep - default 1 min
+	systemSettings.SolderingTemp = 3200;	//Default soldering temp is 320.0 C
+	systemSettings.cutoutSetting = 0;			//default to no cut-off voltage
+	systemSettings.version = SETTINGSVERSION;//Store the version number to allow for easier upgrades
+	systemSettings.displayTempInF = 0;			//default to C
+	systemSettings.flipDisplay = 0;				//Default to right handed mode
+	systemSettings.sensitivity = 6;				//Default high sensitivity
+	systemSettings.tempCalibration = 239;	//Default to their calibration value
+	systemSettings.voltageDiv = 144;			//Default divider from schematic
+	systemSettings.ShutdownTime = 30;//How many minutes until the unit turns itself off
+	systemSettings.displayUpdateSpeed = 1;		//How fast the LCD updates
+	systemSettings.temperatureRounding = 0;	//How the temperature is rounded off
+	systemSettings.boostModeEnabled = 0;//Default to safe, with no boost mode
+	systemSettings.BoostTemp = 4000;				//default to 400C
 }