sl-firmware 36643dd652 feat: Pan/tilt gimbal servo driver for ST3215 bus servos (Issue #547)
- 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>
2026-03-14 10:38:06 -04:00
..
2026-02-28 11:58:23 -05:00