generated from hulk/gd32e23x_template
54 lines
1.3 KiB
C
54 lines
1.3 KiB
C
//
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// Created by dell on 24-12-28.
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//
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#ifndef SOFT_I2C_H
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#define SOFT_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 "board_config.h"
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/******************************************************************************/
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#define I2C_SCL_HIGH() gpio_bit_set(I2C_SCL_PORT, I2C_SCL_PIN)
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#define I2C_SCL_LOW() gpio_bit_reset(I2C_SCL_PORT, I2C_SCL_PIN)
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#define I2C_SDA_HIGH() gpio_bit_set(I2C_SDA_PORT, I2C_SDA_PIN)
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#define I2C_SDA_LOW() gpio_bit_reset(I2C_SDA_PORT, I2C_SDA_PIN)
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#define I2C_SDA_READ() gpio_input_bit_get(I2C_SDA_PORT, I2C_SDA_PIN)
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/******************************************************************************/
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#define SOFT_I2C_OK 1
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#define SOFT_I2C_FAIL 0
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#define SOFT_I2C_END 1
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/******************************************************************************/
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void soft_i2c_delay(void);
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void soft_i2c_config(void);
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void soft_i2c_start(void);
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void soft_i2c_stop(void);
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void soft_i2c_send_ack(void);
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void soft_i2c_send_nack(void);
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uint8_t soft_i2c_wait_ack(void);
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void soft_i2c_send_byte(uint8_t data);
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uint8_t soft_i2c_receive_byte(uint8_t ack);
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uint8_t soft_i2c_write_16bits(uint8_t slave_addr, uint8_t reg_addr, uint8_t data[2]);
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uint8_t soft_i2c_read_16bits(uint8_t slave_addr, uint8_t reg_addr, uint8_t *data);
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#endif //SOFT_I2C_H
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