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130 pfowler 1 
/*
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 * hc595.h
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 *
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 *  Created on: 16/07/2014
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 *      Author: pfowler
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 */
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#ifndef HC595_H_
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#define HC595_H_
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void hc595_init(void);
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void hc595_pulse(void);
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void hc595_latch(void);
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void hc595_write(uint8_t data);
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/*
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 * Check that all our defines have been made
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 * These would usually go in config.h
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 */
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#ifndef HC595_PORT
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#error "HC959 lib: Must define HC595_PORT"
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#endif
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#ifndef HC595_DDR
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#error "HC959 lib: Must define HC595_DDR"
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#endif
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#ifndef HC595_DS_PIN
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#error "HC959 lib: Must define HC595_DS_PIN"
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#endif
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#ifndef HC595_SHCP_PIN
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#error "HC959 lib: Must define HC595_SHCP_PIN"
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#endif
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#ifndef HC595_STCP_PIN
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#error "HC959 lib: Must define HC595_STCP_PIN"
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#endif
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#endif /* HC595_H_ */