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IIC??????PHILIPS??????????????????????????????????????SDA????SCL?????????????????400kbps???
IIC?????????????????????????????????????
HaaS1000??????I2C?????????????????1.4Mbps???I2C??????????GPIO???????
HAL???AliOS Things???MCU?????????????????include/aos/hal?????????platform/mcu/haas1000/hal/?
HAL??????API?
hal_i2c_init??????I2C???hal_i2c_master_send???????????????hal_i2c_master_recv???????????????hal_i2c_slave_send????????????????hal_i2c_slave_recv????????????????hal_i2c_mem_write?????????????hal_i2c_mem_read?????????????hal_i2c_finalize?????I2C???I2C???????
I2C_MODE_MASTER????I2C_MODE_SLAVE?????I2C_MEM_ADDR_SIZE_8BIT?8???I2C_MEM_ADDR_SIZE_16BIT?16???I2C_BUS_BIT_RATES_100K?400K?3400K?????I2C_HAL_ADDRESS_WIDTH_7BIT?10BIT?????HaaS EDU K1????I2C1?GPIO_P0_2?GPIO_P0_3??????
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