/*
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* gpio.h
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*
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* Created on: 2021Äê6ÔÂ26ÈÕ
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* Author: graydon
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*/
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#ifndef DRV_GPIO_H_
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#define DRV_GPIO_H_
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <stdint.h>
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struct gpio_regs;
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typedef volatile struct gpio_regs GPIO_TypeDef;
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#define GPIOA ((GPIO_TypeDef*)0x31004000)
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#define GPIOB ((GPIO_TypeDef*)0x31004080)
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#define GPIOC ((GPIO_TypeDef*)0x31004100)
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#define GPIO_Pin0 (1)
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#define GPIO_Pin1 (1<<1)
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#define GPIO_Pin2 (1<<2)
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#define GPIO_Pin3 (1<<3)
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#define GPIO_Pin4 (1<<4)
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#define GPIO_Pin5 (1<<5)
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#define GPIO_Pin6 (1<<6)
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#define GPIO_Pin7 (1<<7)
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#define GPIO_Pin8 (1<<8)
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#define GPIO_Pin9 (1<<9)
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#define GPIO_Pin10 (1<<10)
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#define GPIO_Pin11 (1<<11)
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#define GPIO_Pin12 (1<<12)
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#define GPIO_Pin13 (1<<13)
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#define GPIO_Pin14 (1<<14)
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#define GPIO_Pin15 (1<<15)
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/*
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* For single function ports (no
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multiplexing is needed), leave the PORT_MUX bits at 0 (default).
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For all PORT_MUX bit fields:
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00 = default/reset peripheral option,
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01 = first alternate peripheral option,
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10 = second alternate peripheral option,
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11 = third alternate peripheral option.
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*/
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typedef enum {
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MODE_0,//gpio_mode,
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MODE_1,//peripheral_mode
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MODE_2,
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MODE_3,
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}GPIO_Pin_Mode;
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typedef enum {
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GPIO_IN,
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GPIO_OUT
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}GPIO_Direction;
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typedef enum {
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GPIO_LOW,
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GPIO_HIGH
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}GPIO_Level;
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void GPIO_Init(GPIO_TypeDef* GPIOx , uint32_t GPIO_Pin, GPIO_Pin_Mode mode);
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void GPIO_Set_Direction(GPIO_TypeDef* GPIOx , uint32_t GPIO_Pin, GPIO_Direction dir);
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void GPIO_SetOutPut(GPIO_TypeDef* GPIOx , uint32_t GPIO_Pin, GPIO_Level value);
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GPIO_Level GPIO_ToggleInput(GPIO_TypeDef* GPIOx, uint32_t GPIO_Pin);
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#ifdef __cplusplus
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}
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#endif
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#endif /* DRV_GPIO_H_ */
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