48 lines
1.9 KiB
C
48 lines
1.9 KiB
C
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#ifndef __IOI2C_H
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#define __IOI2C_H
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// #include "stm32f4xx_hal.h"
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#include "at32f415.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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// IO 口操作宏定义
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#define BITBAND(addr, bitnum) ((addr & 0xF0000000) + 0x2000000 + ((addr & 0xFFFFF) << 5) + (bitnum << 2))
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#define MEM_ADDR(addr) *((volatile unsigned long *)(addr))
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#define BIT_ADDR(addr, bitnum) MEM_ADDR(BITBAND(addr, bitnum))
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/**
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* @name 需要自行更改的IIC_GPIO定义
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* @{
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*/
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// #define SCL_H HAL_GPIO_WritePin(IIC_SCL_GPIO_Port,IIC_SCL_Pin,GPIO_PIN_SET)
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// #define SCL_L HAL_GPIO_WritePin(IIC_SCL_GPIO_Port,IIC_SCL_Pin,GPIO_PIN_RESET)
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// #define SDA_H HAL_GPIO_WritePin(IIC_SDA_GPIO_Port,IIC_SDA_Pin,GPIO_PIN_SET)
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// #define SDA_L HAL_GPIO_WritePin(IIC_SDA_GPIO_Port,IIC_SDA_Pin,GPIO_PIN_RESET)
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// #define SCL_read HAL_GPIO_ReadPin(IIC_SCL_GPIO_Port,IIC_SCL_Pin)
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// #define SDA_read HAL_GPIO_ReadPin(IIC_SDA_GPIO_Port,IIC_SDA_Pin)
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#define SCL_H gpio_bits_write(GPIOB, GPIO_PINS_6, SET)
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#define SCL_L gpio_bits_write(GPIOB, GPIO_PINS_6, RESET)
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#define SDA_H gpio_bits_write(GPIOB, GPIO_PINS_7, SET)
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#define SDA_L gpio_bits_write(GPIOB, GPIO_PINS_7, RESET)
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#define SCL_read gpio_input_data_bit_read(GPIOB, GPIO_PINS_6)
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#define SDA_read gpio_input_data_bit_read(GPIOB, GPIO_PINS_7)
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/** @} */
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extern void ST_IIC_Init(void); //<初始化 IIC 的 IO 口
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extern unsigned char ST_IIC_ReadOneByte(unsigned char I2C_Addr, unsigned char addr);
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extern unsigned char ST_IICwriteByte(unsigned char dev, unsigned char reg, unsigned char data);
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extern uint8_t ST_IICwriteBytes(uint8_t dev, uint8_t reg, uint8_t length, uint8_t *data);
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extern uint8_t ST_IICwriteBit(uint8_t dev, uint8_t reg, uint8_t bitNum, uint8_t data);
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extern uint8_t ST_IICreadBytes(uint8_t SlaveAddress, uint8_t REG_Address, uint8_t len, uint8_t *data);
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#ifdef __cplusplus
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}
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#endif
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#endif
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//------------------End of File----------------------------
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