Starting hall effect support

workspace/TS100/Core/Drivers/Si7210.cpp

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+/*
+ * 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

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+/*
+ * 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

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+/*
+ * 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_ */