61 lines
1.4 KiB
C
61 lines
1.4 KiB
C
//
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// Created by dell on 24-12-25.
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//
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#ifndef I2C_H
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#define I2C_H
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#include "gd32e23x_it.h"
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#include "gd32e23x.h"
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#include "systick.h"
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#include "main.h"
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#include <stdbool.h>
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#include <string.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <math.h>
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/******************************************************************************/
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#define I2C_SPEED 20000
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#define RCU_GPIO_I2C RCU_GPIOF
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#define RCU_I2C RCU_I2C0
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#define I2C_PHY I2C0
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#define I2C_SCL_PORT GPIOF
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#define I2C_SCL_PIN GPIO_PIN_1
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#define I2C_SDA_PORT GPIOF
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#define I2C_SDA_PIN GPIO_PIN_0
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#define I2C_GPIO_AF GPIO_AF_1
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/******************************************************************************/
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#define I2C_TIME_OUT (uint16_t)(10000)
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#define I2C_OK 1
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#define I2C_FAIL 0
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#define I2C_END 1
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/******************************************************************************/
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typedef enum {
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I2C_START = 0,
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I2C_SEND_ADDRESS,
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I2C_CLEAR_ADDRESS_FLAG,
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I2C_TRANSMIT_DATA,
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I2C_STOP
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} i2c_process_enum;
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/******************************************************************************/
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void i2c_gpio_config(void);
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void i2c_config(void);
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void i2c_bus_reset(void);
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void i2c_scan(void);
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uint8_t i2c_write_16bits(uint8_t slave_addr, uint8_t reg_addr, uint8_t data[2]);
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uint8_t i2c_read_16bits(uint8_t slave_addr, uint8_t reg_addr, uint8_t *data);
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#endif //I2C_H
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