Manual mode now receives angular velocity (degrees/s) via 0xA6 frame instead of
absolute angle reference. The firmware integrates velocity * dt into gimbal angle ref.
Motors are no longer auto-enabled at DMMotorInit — they stay disabled until a mode
switch out of DEBUG. Extract ROBOT_CMD_DELAY macro to replace magic number.
Fix "volity" typo → "velocity" and update docs/protocol comments accordingly.
- Add .dma_buf section in RAM_D1 for DMA-accessible USART instance pool.
DTCM (0x20000000) is not reachable by DMA on STM32H7, causing bus errors
(TE) when DMA writes to malloc'd buffers placed in DTCM by the XG linker
script.
- Replace malloc with static pool (usart_pool[]) placed in .dma_buf section.
- In RxEventCallback, set recv_buff_size from Size so module callbacks know
how many bytes were actually received.
- Use USART_RXBUFF_LIMIT (256) as the DMA transfer size instead of per-module
recv_buff_size. The actual buffer is always 256 bytes.
- Remove recv_buff_size from USART_Init_Config_s; it is now set at runtime.
- Flush RDR, clear error flags, and clear stale DMAR in error callback to
prevent residual conditions from re-triggering errors on DMA restart.
- Switch Vision module from UART10 to UART1.
- Add DEBUG mode (parallel to AUTO/MANUAL) for real-time PID parameter tuning
- New 0xA8 debug frame: 12 floats for vision/motor angle PID tuning params
- DMMotorSetMode: send zero-velocity before disable, clear PID to prevent jumps
- motor_enable topic: pub from robot_cmd, sub in gimbal, controls motor on/off
- motor_pid topic: pub from robot_cmd, sub in gimbal, updates motor angle PID
- Rename DM motor enums (DM_CMD_ENABLE_MODE/DISABLE_MODE, DM_Motor_Ctrl_Mode_e)
- SwitchToAuto/Manual: re-enable motors when switching back from DEBUG mode
- Static-allocate enable_msg/pid_tune in GimbalTask to avoid stack churn
- Add docs/host_comm_guide.md with Python Tkinter tuning GUI example
- Remove ARCHITECTURE.md
- Remove RC_ctrl_t and RemoteControlInit from robot_cmd.c
- Delete GIMBAL_ZERO_FORCE, gimbal_mode_e, Robot_Status_e from robot_def.h
- Remove EmergencyHandler and robot_state from robot_cmd.c
- Remove emergency commands from master_machine.h
- Remove remote_control and can_comm from CMakeLists.txt
SkyLiCoder