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TMS320F28027: high-frequency injection

Part Number: TMS320F28027
Other Parts Discussed in Thread: MOTORWARE

E:\ti\motorware\motorware_1_01_00_18\sw\solutions\instaspin_foc\boards\boostxldrv8305_revA\f28x\f2806xF\projects\ccs\proj_lab21

Hello, is the high-frequency injection case square wave injection or sine wave injection,
2. The current use of this case always makes a loud noise and cannot be cut into a closed loop. Is there a detailed introduction or debugging
The hardware is the official 8305 hardware, and there is no problem running other routines