Add reentrancy guard to USB serial usb_write function#283
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siganberg wants to merge 1 commit intogrblHAL:masterfrom
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Add reentrancy guard to USB serial usb_write function#283siganberg wants to merge 1 commit intogrblHAL:masterfrom
siganberg wants to merge 1 commit intogrblHAL:masterfrom
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Prevents recursive calls when stream_tx_blocking callback triggers task_execute during high-frequency status polling. Without this guard, buffer state corruption can occur when CDC_Transmit_FS is busy and the blocking callback attempts another write. Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
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Prevents recursive calls when stream_tx_blocking callback triggers task_execute during high-frequency status polling.
Without this guard, buffer state corruption can occur when CDC_Transmit_FS is busy and the blocking callback attempts another write.