Starting hall effect support

workspace/TS100/Core/BSP/BSP.h

@@ -51,6 +51,10 @@ uint8_t showBootLogoIfavailable();
 void delay_ms(uint16_t count) ;
 //Used to allow knowledge of if usb_pd is being used
 uint8_t usb_pd_detect();
+// If the iron has a hall effect sensor in the handle, return an signed count of the reading
+// If the sensor is single polarity (or polarity insensitive) just return 0..32768
+int16_t getRawHallEffect();
+
 
 #ifdef __cplusplus
 }

workspace/TS100/Core/BSP/Pine64/Model_Config.h

@@ -20,7 +20,8 @@
 #define POW_QC
 #define TEMP_TMP36
 #define ACCEL_BMA
-
+#define HALL_SENSOR
+#define HALL_SI7210
 
 #define BATTFILTERDEPTH 32
 #endif

workspace/TS100/Core/BSP/Pine64/postRTOS.cpp

@@ -9,10 +9,25 @@
 #include "task.h"
 #include "I2C_Wrapper.hpp"
 #include "fusbpd.h"
+#include "Si7210.h"
+
+bool hall_effect_present = false;
 void postRToSInit() {
 	// Any after RTos setup
 #ifdef POW_PD
 	//Spawn all of the USB-C processors
 	fusb302_start_processing();
 #endif
+#ifdef HALL_SI7210
+	if (Si7210::detect()) {
+		hall_effect_present = Si7210::init();
+	}
+#endif
+}
+int16_t getRawHallEffect() {
+	if (hall_effect_present) {
+		return Si7210::read();
+	}
+	return 0;
+
 }

workspace/TS100/Core/Drivers/Si7210.cpp

@@ -0,0 +1,35 @@
+/*
+ * Si7210.cpp
+ *
+ *  Created on: 5 Oct. 2020
+ *      Author: Ralim
+ */
+
+#include <Si7210.h>
+#include "Si7210_defines.h"
+#include "I2C_Wrapper.hpp"
+bool Si7210::detect() {
+	return FRToSI2C::probe(SI7210_ADDRESS);
+}
+
+bool Si7210::init() {
+	//Turn on auto increment and sanity check ID
+	uint8_t temp;
+	if (FRToSI2C::Mem_Read(SI7210_ADDRESS, SI7210_REG_ID, &temp, 1)) {
+		// We don't really care what model it is etc, just probing to check its probably this iC
+		if (temp != 0x00 && temp != 0xFF) {
+			temp = 0x01; //turn on auto increment
+			if (FRToSI2C::Mem_Write(SI7210_ADDRESS, SI7210_REG_INCR, &temp, 1)) {
+				return true;
+			}
+		}
+	}
+	return false;
+}
+
+int16_t Si7210::read() {
+	//Read the two regs
+	int16_t temp = 0;
+	FRToSI2C::Mem_Read(SI7210_ADDRESS, SI7210_REG_DATAH,(uint8_t*) &temp, 2);
+	return __builtin_bswap16(temp);
+}

workspace/TS100/Core/Drivers/Si7210.h

@@ -0,0 +1,21 @@
+/*
+ * Si7210.h
+ *
+ *  Created on: 5 Oct. 2020
+ *      Author: Ralim
+ */
+
+#ifndef CORE_DRIVERS_SI7210_H_
+#define CORE_DRIVERS_SI7210_H_
+#include <stdint.h>
+class Si7210 {
+public:
+	//Return true if present
+	static bool detect();
+
+	static bool init();
+	static int16_t read();
+private:
+};
+
+#endif /* CORE_DRIVERS_SI7210_H_ */

workspace/TS100/Core/Drivers/Si7210_defines.h

@@ -0,0 +1,19 @@
+/*
+ * Si7210_defines.h
+ *
+ *  Created on: 5 Oct. 2020
+ *      Author: Ralim
+ */
+
+#ifndef CORE_DRIVERS_SI7210_DEFINES_H_
+#define CORE_DRIVERS_SI7210_DEFINES_H_
+
+#define SI7210_ADDRESS (0x30<<1)
+#define SI7210_REG_ID 0xC0
+#define SI7210_REG_DATAH 0xC1
+#define SI7210_REG_DATAL 0xC2
+#define SI7210_REG_INCR 0xC5
+
+
+
+#endif /* CORE_DRIVERS_SI7210_DEFINES_H_ */

workspace/TS100/Core/Inc/Settings.h

@@ -54,7 +54,8 @@ typedef struct {
 	uint8_t ReverseButtonTempChangeEnabled; // Change the plus and minus button assigment
 	uint16_t TempChangeLongStep;   // Change the plus and minus button assigment
 	uint16_t TempChangeShortStep;  // Change the plus and minus button assigment
-
+	uint8_t hallEffectMode; //Operating mode of the hall effect sensor
+	int16_t hallEffectThreshold; //Threshold of the halleffect sensor
 	uint32_t padding;  // This is here for in case we are not an even divisor so
 					   // that nothing gets cut off
 					   //MUST BE LAST

workspace/TS100/Core/Threads/GUIThread.cpp

@@ -383,6 +383,11 @@ static bool shouldBeSleeping() {
 	if ((xTaskGetTickCount() - lastMovementTime) > getSleepTimeout() && (xTaskGetTickCount() - lastButtonTime) > getSleepTimeout()) {
 		return true;
 	}
+#ifdef HALL_SENSOR
+//If the hall effect sensor is enabled in the build, check if its over threshold, and if so then we force sleep
+
+
+#endif
 	return false;
 }
 static void gui_solderingMode(uint8_t jumpToSleep) {