21. I2C_pressure_test

21.1. Function description:

This demo randomly configure the transceiver and dma and cpu modes of the master and slave. The transmitter and receiver and the sending & receiving method of the master-slave device, and the size of the transmitted data are all determined by the random number generated by the rand() function.

21.2. Test result:

If the data received by receiver is equal to data sent by the transmitter, print pass, if not print fail.

21.3. IO connection:

PAD	PAD
pad_i2cn_scl	pad_i2cm_scl
pad_i2cn_sda	pad_i2cm_sda

Note

The ‘m’ and ‘n’ in “i2cm” and “i2cn” indicate the peripheral number.