i2cdetect -l用于查询已安装的I2C总线列表。
i2cdetect -l
回显如下:
root@npi:~# i2cdetect -l i2c-1 i2c STM32F7 I2C(0x5c002000) I2C adapter i2c-2 i2c STM32F7 I2C(0x40012000) I2C adapter i2c-0 i2c STM32F7 I2C(0x40013000) I2C adapter