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- Fri Aug 13, 2021 6:46 pm
- Forum: Programs, Libraries and Tools
- Topic: RPI Pico SoftI2C issue with VCNL4040
- Replies: 0
- Views: 1506
RPI Pico SoftI2C issue with VCNL4040
Have run across an issue with the SoftI2C driver and VCNL4040 on the RPI Pico. Appears that the extmod/machine_i2c.c:init sends an I2C stop at the time of initialization. This produces the attached trace and impacts the VCNL4040's state machine when attempting to read data prior to an isolated write...