36 lines
887 B
C
36 lines
887 B
C
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//swi2c.h
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#ifndef SWI2C_H
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#define SWI2C_H
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#include <inttypes.h>
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#include "config.h"
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#if defined(__cplusplus)
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extern "C" {
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#endif //defined(__cplusplus)
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//initialize
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extern void swi2c_init(void);
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//check device address acknowledge
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extern uint8_t swi2c_check(uint8_t dev_addr);
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//read write functions - 8bit address (most i2c chips)
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#ifdef SWI2C_A8
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extern uint8_t swi2c_readByte_A8(uint8_t dev_addr, uint8_t addr, uint8_t* pbyte);
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extern uint8_t swi2c_writeByte_A8(uint8_t dev_addr, uint8_t addr, uint8_t* pbyte);
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#endif //SWI2C_A8
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//read write functions - 16bit address (e.g. serial eeprom AT24C256)
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#ifdef SWI2C_A16
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extern uint8_t swi2c_readByte_A16(uint8_t dev_addr, uint16_t addr, uint8_t* pbyte);
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extern uint8_t swi2c_writeByte_A16(uint8_t dev_addr, uint16_t addr, uint8_t* pbyte);
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#endif //SWI2C_A16
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#if defined(__cplusplus)
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}
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#endif //defined(__cplusplus)
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#endif //SWI2C_H
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