Merge Dev into mainline (#1)

* Removing USB
Need to refine the drive to the iron tip

* Update README.md

* * Rewrite all code from scratch
* Only kept settings
* New font
* New PID
* New Menus
* Use Hardware I2C
* Faster System
* Better Heating Time
* No USB
* Full Menu System

workspace/ts100/src/Settings.c

@@ -0,0 +1,52 @@
+/*
+ * Settings.c
+ *
+ *  Created on: 29 Sep 2016
+ *      Author: Ralim
+ *
+ *      This file holds the users settings and saves / restores them to the devices flash
+ */
+
+#include "Settings.h"
+#define FLASH_ADDR (0x8000000|48896)
+void saveSettings() {
+//First we erase the flash
+	FLASH_Unlock(); //unlock flash writing
+	FLASH_ClearFlag(FLASH_FLAG_EOP | FLASH_FLAG_PGERR | FLASH_FLAG_WRPRTERR);
+	while (FLASH_ErasePage(FLASH_ADDR) != FLASH_COMPLETE)
+		; //wait for it
+	//erased the chunk
+	//now we program it
+	uint16_t *data = (uint16_t*) &systemSettings;
+	for (uint8_t i = 0; i < (sizeof(systemSettings) / 2); i++) {
+		FLASH_ProgramHalfWord(FLASH_ADDR + (i * 2), data[i]);
+	}
+}
+
+void restoreSettings() {
+	//We read the flash
+	uint16_t *data = (uint16_t*) &systemSettings;
+	for(uint8_t i=0;i<(sizeof(systemSettings)/2);i++)
+	{
+		data[i] = *(uint16_t *)(FLASH_ADDR + (i*2));
+	}
+	//if the version is correct were done
+	//if not we reset and save
+	if (systemSettings.version != SETTINGSVERSION) {
+		//probably not setup
+		resetSettings();
+		saveSettings();
+	}
+
+}
+
+void resetSettings() {
+
+	systemSettings.SleepTemp = 900;
+	systemSettings.SleepTime = 1;
+	systemSettings.SolderingTemp = 3200;
+	systemSettings.movementEnabled = 1; //we use movement detection
+	systemSettings.cutoutVoltage = 9;
+	systemSettings.version=SETTINGSVERSION;
+}
+