first commit v2.0.1

CHIRP/board/i2c.h

@@ -0,0 +1,55 @@
+#ifndef I2C_H
+#define I2C_H
+
+#define I2C_TIME_OUT    (uint16_t)(5000)
+#define I2C_OK          1
+#define I2C_FAIL        0
+#define I2C_END         1
+
+typedef enum {
+    I2C_START = 0,
+    I2C_SEND_ADDR,
+    I2C_CLEAR_ADDRESS_FLAG,
+    I2C_TRANSMIT_DATA,
+    I2C_STOP
+} i2c_process_enum;
+
+
+/**
+ * \brief Return codes for IIC APIs.
+ * @{
+ */
+#define IIC_SUCCESS              0
+#define IIC_INVALID_ARGUMENT     1
+#define IIC_ARBITRATION_LOST     2
+#define IIC_NO_CHIP_FOUND        3
+#define IIC_RECEIVE_OVERRUN      4
+#define IIC_RECEIVE_NACK         5
+#define IIC_SEND_OVERRUN         6
+#define IIC_SEND_NACK            7
+#define IIC_BUSY                 8
+#define IIC_ERROR_TIMEOUT        9
+/**
+ * @}
+ */
+
+void i2c_master_initialize1(void);
+void i2c_master_initialize3(void);
+void i2c_master_init(void);
+void i2c_master_deinit1(void);
+void i2c_master_deinit3(void);
+
+uint8_t i2c_master_read_register1(unsigned char Address, unsigned char RegisterAddr, unsigned short RegisterLen, unsigned char *RegisterValue);
+uint8_t i2c_master_read_register3(unsigned char Address, unsigned char RegisterAddr, unsigned short RegisterLen, unsigned char *RegisterValue);
+
+uint8_t i2c_master_read_register1_raw(unsigned char Address, unsigned short len, unsigned char *data);
+uint8_t i2c_master_read_register3_raw(unsigned char Address, unsigned short len, unsigned char *data);
+
+
+uint8_t i2c_master_write_register1(unsigned char Address, unsigned char RegisterAddr, unsigned short RegisterLen, unsigned char *RegisterValue);
+uint8_t i2c_master_write_register3(unsigned char Address, unsigned char RegisterAddr, unsigned short RegisterLen, unsigned char *RegisterValue);
+
+uint8_t i2c_master_write_register1_raw(unsigned char Address, unsigned short len, unsigned char *data);
+uint8_t i2c_master_write_register3_raw(unsigned char Address, unsigned short len, unsigned char *data);
+
+#endif /* I2C_H */