sl-firmware
36643dd652
- servo_bus.c/h: half-duplex USART3 driver for Feetech ST3215 servos at 1 Mbps; blocking TX/RX with CRC checksum; read/write position, torque enable, speed; deg<->raw conversion (center=2048, 4096 counts/360°) - gimbal.c/h: gimbal_t controller; 50 Hz feedback poll alternating pan/tilt at 25 Hz each; clamps to ±GIMBAL_PAN/TILT_LIMIT_DEG soft limits - jlink.c: dispatch JLINK_CMD_GIMBAL_POS (0x0B, 6-byte payload int16+int16+ uint16); jlink_send_gimbal_state() for JLINK_TLM_GIMBAL_STATE (0x84) - main.c: servo_bus_init() + gimbal_init() on boot; gimbal_tick() in main loop; gimbal_updated flag handler; GIMBAL_STATE telemetry at 50 Hz - config.h: SERVO_BUS_UART/PORT/PIN/BAUD, GIMBAL_PAN/TILT_ID, GIMBAL_TLM_HZ, GIMBAL_PAN/TILT_LIMIT_DEG - jlink.h: CMD_GIMBAL_POS, TLM_GIMBAL_STATE, jlink_tlm_gimbal_state_t (10 B), gimbal_updated/pan_x10/tilt_x10/speed volatile fields in JLinkState Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>