2 Commits

Author	SHA1	Message	Date
jh.Chun	836ebe5878	IMU gyro/accel config fix and README piezo frequency table correction ... - Add GYRO_CONFIG0/ACCEL_CONFIG0 register setup in imu_read_direct() to fix gyro always returning -32768 - Increase sensor startup delay from 2ms to 80ms for reliable first read - Put IMU back to sleep after msp? read to save power - Fix piezo frequency table: swap freq 0/1 values, remove unused freq 5 Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>	2026-03-13 17:27:17 +09:00
Charles Kwon	8129f55216	VesiScan BASIC origin: Piezo + IMU firmware initial code ... - nRF52840 + SoftDevice S140 BLE firmware - Piezo ultrasound TX driver (2MHz, 8ch MUX) - ICM42670P IMU 6-axis driver - Echo AFE chain (ADA2200 + ADC121S051) - BLE NUS command parser (mpa/mpc/mdc/mec/maa/msp) - FDS flash config storage - pc_firm parser and ADC driver included Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>	2026-03-11 10:40:20 +09:00