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RK3399 platform development series explanation (kernel-driven peripherals) 6.35, IAM20680 gyroscope introduction
2022-08-10 22:41:00 【Kernel Notes】
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Introduce the necessary basic knowledge related to the IAM20680
gyroscope.
1. Basic information of gyroscope
We can know that IMA20680
is a six-axis sensor, which not only integrates a gyroscope (GYRO
), but also a gravity sensor (Accel
)code>) is integrated in it, and the transmission method is divided into two types, one is realized by SPI
, and the other is mainly realized by I2C
.We mainly implement it by mounting it on the I2C
bus. The specific mounting on that bus needs to be confirmed with the hardware.
IAM gyroscope basic configuration:
Since the bus we mount is I2C
, we must know that the chip corresponds to i2c
code>Address is: 0x68
or 0x69
depending on
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