22 lines
849 B
C
22 lines
849 B
C
#ifndef PCF8574_H_
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#define PCF8574_H_
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#define PCF8574_ADDRBASE (0x27) // àäðåñ óñò-âà
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#define PCF8574_I2CINIT 1 // èíèöèàëèçàöèÿ i2c
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#define PCF8574_MAXDEVICES 1 // ìàêñ êîë-âî óòðîéñòâ
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#define PCF8574_MAXPINS 8 // ìàêñ êîë-âî ïèíîâ
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void pcf8574_init();
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int8_t pcf8574_getoutput(uint8_t deviceid);
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int8_t pcf8574_getoutputpin(uint8_t deviceid, uint8_t pin);
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int8_t pcf8574_setoutput(uint8_t deviceid, uint8_t data);
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int8_t pcf8574_setoutputpins(uint8_t deviceid, uint8_t pinstart, uint8_t pinlength, int8_t data);
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int8_t pcf8574_setoutputpin(uint8_t deviceid, uint8_t pin, uint8_t data);
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int8_t pcf8574_setoutputpinhigh(uint8_t deviceid, uint8_t pin);
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int8_t pcf8574_setoutputpinlow(uint8_t deviceid, uint8_t pin);
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int8_t pcf8574_getinput(uint8_t deviceid);
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int8_t pcf8574_getinputpin(uint8_t deviceid, uint8_t pin);
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#endif
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