Ivan Li IvanLi-CN
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| // setup i2c master | |
| static esp_err_t i2c_master_init() | |
| { | |
| i2c_config_t conf; | |
| conf.mode = I2C_MODE_MASTER; | |
| conf.sda_io_num = I2C_SDA_PIN; | |
| conf.scl_io_num = I2C_SCL_PIN; | |
| conf.sda_pullup_en = GPIO_PULLUP_ENABLE; | |
| conf.scl_pullup_en = GPIO_PULLUP_ENABLE; | |
| conf.master.clk_speed = I2C_MASTER_FREQ_HZ; |
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