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#ifndef __I2C_H #define __I2C_H #include "types.h" #define I2C_IN_PROGRESS 0 #define I2C_SUCCESS 1 #define I2C_FAIL 2 typedef int i2c_result; struct i2c_transaction { int address; /* i2c first byte, including address and r/w flag */ int bytes; /* number of bytes to read or write */ unsigned char *data; /* pointer to the data */ i2c_result *result; /* pointer to store the result */ struct i2c_transaction *next; /* NULL or next transaction */ }; void init_i2c(void); int i2c_conreg(void); int i2c_statreg(void); bool i2c_start_transaction(struct i2c_transaction *t); bool i2c_busy(void); #endif /* __I2C_H */