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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, routine 21. High frequency injection found that it can start at low speed but does not respond to high speed. It seems that it has not entered the fast foc. How should we debug it