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#ifndef __REG_H__
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#define __REG_H__
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typedef struct SHIFT_REGISTER {
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gpio_t output;
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gpio_t shift_clock;
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gpio_t latch_clock;
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} shift_register_t;
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void shift_register_initialize(shift_register_t *reg);
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void shift_out(shift_register_t *reg, uint8_t byte);
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#endif
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