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- #ifndef __I2C_MASTER_H__
- #define __I2C_MASTER_H__
- #define I2C_MASTER_SDA_MUX (pin_mux[sda])
- #define I2C_MASTER_SCL_MUX (pin_mux[scl])
- #define I2C_MASTER_SDA_GPIO (pinSDA)
- #define I2C_MASTER_SCL_GPIO (pinSCL)
- #define I2C_MASTER_SDA_FUNC (pin_func[sda])
- #define I2C_MASTER_SCL_FUNC (pin_func[scl])
- // #define I2C_MASTER_SDA_MUX PERIPHS_IO_MUX_GPIO2_U
- // #define I2C_MASTER_SCL_MUX PERIPHS_IO_MUX_MTDO_U
- // #define I2C_MASTER_SDA_GPIO 2
- // #define I2C_MASTER_SCL_GPIO 15
- // #define I2C_MASTER_SDA_FUNC FUNC_GPIO2
- // #define I2C_MASTER_SCL_FUNC FUNC_GPIO15
- // #define I2C_MASTER_SDA_MUX PERIPHS_IO_MUX_GPIO2_U
- // #define I2C_MASTER_SCL_MUX PERIPHS_IO_MUX_MTMS_U
- // #define I2C_MASTER_SDA_GPIO 2
- // #define I2C_MASTER_SCL_GPIO 14
- // #define I2C_MASTER_SDA_FUNC FUNC_GPIO2
- // #define I2C_MASTER_SCL_FUNC FUNC_GPIO14
- //#define I2C_MASTER_SDA_MUX PERIPHS_IO_MUX_GPIO2_U
- //#define I2C_MASTER_SCL_MUX PERIPHS_IO_MUX_GPIO0_U
- //#define I2C_MASTER_SDA_GPIO 2
- //#define I2C_MASTER_SCL_GPIO 0
- //#define I2C_MASTER_SDA_FUNC FUNC_GPIO2
- //#define I2C_MASTER_SCL_FUNC FUNC_GPIO0
- #if 0
- #define I2C_MASTER_GPIO_SET(pin) \
- gpio_output_set(1<<pin,0,1<<pin,0)
- #define I2C_MASTER_GPIO_CLR(pin) \
- gpio_output_set(0,1<<pin,1<<pin,0)
- #define I2C_MASTER_GPIO_OUT(pin,val) \
- if(val) I2C_MASTER_GPIO_SET(pin);\
- else I2C_MASTER_GPIO_CLR(pin)
- #endif
- #define I2C_MASTER_SDA_HIGH_SCL_HIGH() \
- gpio_output_set(1<<I2C_MASTER_SDA_GPIO | 1<<I2C_MASTER_SCL_GPIO, 0, 1<<I2C_MASTER_SDA_GPIO | 1<<I2C_MASTER_SCL_GPIO, 0)
- #define I2C_MASTER_SDA_HIGH_SCL_LOW() \
- gpio_output_set(1<<I2C_MASTER_SDA_GPIO, 1<<I2C_MASTER_SCL_GPIO, 1<<I2C_MASTER_SDA_GPIO | 1<<I2C_MASTER_SCL_GPIO, 0)
- #define I2C_MASTER_SDA_LOW_SCL_HIGH() \
- gpio_output_set(1<<I2C_MASTER_SCL_GPIO, 1<<I2C_MASTER_SDA_GPIO, 1<<I2C_MASTER_SDA_GPIO | 1<<I2C_MASTER_SCL_GPIO, 0)
- #define I2C_MASTER_SDA_LOW_SCL_LOW() \
- gpio_output_set(0, 1<<I2C_MASTER_SDA_GPIO | 1<<I2C_MASTER_SCL_GPIO, 1<<I2C_MASTER_SDA_GPIO | 1<<I2C_MASTER_SCL_GPIO, 0)
- void i2c_master_gpio_init(uint8 sda, uint8 scl);
- void i2c_master_init(void);
- #define i2c_master_wait os_delay_us
- void i2c_master_stop(void);
- void i2c_master_start(void);
- void i2c_master_setAck(uint8 level);
- uint8 i2c_master_getAck(void);
- uint8 i2c_master_readByte(void);
- void i2c_master_writeByte(uint8 wrdata);
- uint8 i2c_master_get_pinSDA();
- uint8 i2c_master_get_pinSCL();
- #endif
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