mcp2221_i2c_slave.h

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#ifndef MCP2221_I2C_SLAVE_H
#define MCP2221_I2C_SLAVE_H
 
#include <stddef.h>
#include <stdint.h>
 
#include "mcp2221.h"
 
MCP2221_BEGIN_DECLS
 
typedef enum {
    MCP2221_I2C_BYTE_ORDER_DEFAULT = -1,
 
    MCP2221_I2C_BYTE_ORDER_BIG = 0,
 
    MCP2221_I2C_BYTE_ORDER_LITTLE = 1
} mcp2221_i2c_byte_order_t;
 
struct mcp2221_i2c_slave {
    mcp2221_t *mcp;                           
    uint8_t addr;                             
    int reg_bytes;                            
    mcp2221_i2c_byte_order_t reg_byteorder;   
};
 
MCP2221_API mcp2221_error_code_t mcp2221_i2c_slave_init(mcp2221_i2c_slave_t *slave, mcp2221_t *mcp, uint8_t addr, int force, uint32_t i2c_speed_hz,
                           int reg_bytes, mcp2221_i2c_byte_order_t reg_byteorder);
 
MCP2221_API mcp2221_error_code_t mcp2221_i2c_slave_check_present(mcp2221_i2c_slave_t *slave, int *is_present);
 
MCP2221_API int mcp2221_i2c_slave_is_present(mcp2221_i2c_slave_t *slave);
 
MCP2221_API mcp2221_error_code_t mcp2221_i2c_slave_read_register(mcp2221_i2c_slave_t *slave, uint32_t reg, uint8_t *buffer, size_t length,
                                    int reg_bytes, mcp2221_i2c_byte_order_t reg_byteorder);
 
MCP2221_API mcp2221_error_code_t mcp2221_i2c_slave_read(mcp2221_i2c_slave_t *slave, uint8_t *buffer, size_t length);
 
MCP2221_API mcp2221_error_code_t mcp2221_i2c_slave_write_register(mcp2221_i2c_slave_t *slave, uint32_t reg, const uint8_t *data, size_t length,
                                     int reg_bytes, mcp2221_i2c_byte_order_t reg_byteorder);
 
MCP2221_API mcp2221_error_code_t mcp2221_i2c_slave_write(mcp2221_i2c_slave_t *slave, const uint8_t *data, size_t length);
 
MCP2221_END_DECLS
#endif  // MCP2221_I2C_SLAVE_H