i2c.h

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#ifndef _PSP2KERN_LOWIO_I2C_H_
#define _PSP2KERN_LOWIO_I2C_H_
 
#include <vitasdk/build_utils.h>
#include <psp2kern/types.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
typedef enum SceI2cErrorCode {
    SCE_I2C_ERROR_INVALID_BUS   = 0x803F0300,
    SCE_I2C_ERROR_INVALID_SIZE  = 0x803F0302,
    SCE_I2C_ERROR_INVALID_ADDR  = 0x803F0303
} SceI2cErrorCode;
 
typedef struct SceI2cDebugHandlers {
    unsigned int size;
    void (*write_start)(int bus, int addr, unsigned char *buffer, int size);
    void (*write_end)(int bus, int error, int result);
    void (*read_start)(int bus, int addr, unsigned char *buffer, int size);
    void (*read_end)(int bus, int error, int result);
    void (*write_read_start)(int bus, int write_addr, unsigned char *write_buffer, int write_size,
        unsigned int read_addr, unsigned char *read_buffer, int read_size);
    void (*write_read_end)(int bus, int error, int result);
} SceI2cDebugHandlers;
VITASDK_BUILD_ASSERT_EQ(0x1C, SceI2cDebugHandlers);
 
int ksceI2cInit(int bus);
int ksceI2cReset(int bus);
int ksceI2cTransferRead(int bus, unsigned int addr, unsigned char *buffer, int size);
int ksceI2cTransferWrite(int bus, unsigned int addr, const unsigned char *buffer, int size);
int ksceI2cTransferWriteRead(int bus,
    unsigned int write_addr, unsigned char *write_buffer, int write_size,
    unsigned int read_addr, unsigned char *read_buffer, int read_size);
 
int ksceI2cSetDebugHandlers(int bus, SceI2cDebugHandlers *debug_handlers);
 
#ifdef __cplusplus
}
#endif
 
#endif /* _PSP2KERN_LOWIO_I2C_H_ */