- Initial commit of base firmware - which is still very raw

Firmware/I2C_Master.h

@@ -0,0 +1,39 @@
+/*
+ * I2C_Master.h
+ *
+ * Created: 22/01/2020 18:36:25
+ *  Author: Chris
+ */ 
+#ifndef I2C_MASTER_H_
+#define I2C_MASTER_H_
+
+// ============================================================================================
+// Includes
+#include <stdlib.h>
+#include <stdbool.h>
+#include <inttypes.h>
+
+#include "pico/types.h"
+#include "pico/stdlib.h"
+
+
+// ============================================================================================
+// Defines
+#define I2C_USE_INTERNAL_PULLUP		true
+#define I2C_NO_INTERNAL_PULLUP		false
+
+
+// ============================================================================================
+// Function Declarations
+void I2CM_Init(bool use_internal_pullups);
+
+int I2CM_Transmit(uint8_t slave_address, void *data, size_t data_length, bool use_dma, bool nostop);
+int I2CM_Receive(uint8_t slave_address, uint8_t *receive_data, size_t data_length);
+bool I2CM_DMA_Transmit_Complete();
+
+int I2CM_Packet_Transmit(const uint8_t slave_address, const uint reg_address, const uint8_t address_length, uint8_t *transmit_data, const uint8_t data_length);
+int I2CM_Packet_Receive (const uint8_t slave_address, const uint reg_address, const uint8_t address_length, uint8_t *receive_data , const uint8_t data_length);
+
+void I2CM_Set_Address(const uint8_t Address);
+
+#endif // I2C_MASTER_H_