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47 lines
720 B
C
47 lines
720 B
C
#ifndef GPIO_H_
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#define GPIO_H_
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#include <stm32l476xx.h>
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#define GPIO_PORT(p, b) GPIO##p, b
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enum GPIO_MODE
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{
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INPUT = 0,
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OUTPUT,
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ALTERNATE,
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ANALOG
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};
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enum GPIO_TYPE
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{
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PUSHPULL = 0,
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OPENDRAIN
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};
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enum GPIO_SPEED
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{
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LOW = 0,
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MEDIUM,
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HIGH,
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VERYHIGH
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};
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enum GPIO_PUPD
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{
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NOPUPD,
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PULLUP,
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PULLDOWN
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};
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void gpio_init(void);
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void gpio_pupd(GPIO_TypeDef *port, uint8_t pin, uint8_t pupd);
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void gpio_type(GPIO_TypeDef *port, uint8_t pin, uint8_t type);
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void gpio_speed(GPIO_TypeDef *port, uint8_t pin, uint8_t speed);
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void gpio_mode(GPIO_TypeDef *port, uint8_t pin, uint8_t mode);
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void gpio_dout(GPIO_TypeDef *port, uint8_t pin, uint8_t val);
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uint8_t gpio_din(GPIO_TypeDef *port, uint8_t pin);
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#endif // GPIO_H_
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