hulk/xlsw_3dp_LDC1612
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切换为软件IIC，完成各种基本函数

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yelvlab
2024-12-27 00:54:48 +08:00
parent 67ea11a45e
commit ce6289a82a
3 changed files with 152 additions and 10 deletions
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40
inc/i2c.h
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@@ -17,14 +17,22 @@
/******************************************************************************/
#define I2C_SPEED 20000
#define RCU_GPIO_I2C RCU_GPIOF
#define RCU_I2C RCU_I2C0
#define I2C_SCL_PORT GPIOF
#define I2C_SCL_PIN GPIO_PIN_1
#define I2C_SDA_PORT GPIOF
#define I2C_SDA_PIN GPIO_PIN_0
#define I2C_GPIO_AF GPIO_AF_1
#define I2C_SPEED 20000
#define RCU_GPIO_I2C RCU_GPIOF
#define RCU_I2C RCU_I2C0
#define I2C_SCL_PORT GPIOF
#define I2C_SCL_PIN GPIO_PIN_1
#define I2C_SDA_PORT GPIOF
#define I2C_SDA_PIN GPIO_PIN_0
#define I2C_GPIO_AF GPIO_AF_1
/******************************************************************************/
#define I2C_SCL_HIGH() gpio_bit_set(I2C_SCL_PORT, I2C_SCL_PIN)
#define I2C_SCL_LOW() gpio_bit_reset(I2C_SCL_PORT, I2C_SCL_PIN)
#define I2C_SDA_HIGH() gpio_bit_set(I2C_SDA_PORT, I2C_SDA_PIN)
#define I2C_SDA_LOW() gpio_bit_reset(I2C_SDA_PORT, I2C_SDA_PIN)
#define I2C_SDA_READ() gpio_input_bit_get(I2C_SDA_PORT, I2C_SDA_PIN)
/******************************************************************************/
@@ -47,6 +55,22 @@ typedef enum {
void i2c_gpio_config(void);
void si2c_config(void);
void i2c_delay(void);
void i2c_start(void);
void i2c_stop(void);
void i2c_send_ack(void);
void i2c_send_nack(void);
uint8_t i2c_wait_ack(void);
void i2c_config(void);
void i2c_bus_reset(void);