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PM_Sensorless 的问题

PM_Sensorless TI例程中LEVEL7中,

// lsw=0: lock the rotor of the motor
// lsw=1: close the current loop
// lsw=2: close the speed loop

那么在程序中怎么切换啊? 程序中直接LSW=2 ,电机转不起来!应该是没启动的问题?那么LSW在程序中怎么切换啊?有人LEVEL7测试成功了吗?