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C2000WARE-MOTORCONTROL-SDK: is07_speed_control_coff

shang tao
Prodigy 80 points
Part Number: C2000WARE-MOTORCONTROL-SDK

I test the CCS project:is07_speed_control_coff,and  see the the Clark transform as ：

pOutVec->value[0] =((pInVec->value[0] *(float32_t)2.0f) - (pInVec->value[1] + pInVec->value[2])) * alpha_sf;
pOutVec->value[1] = (pInVec->value[1] - pInVec->value[2]) * beta_sf;

1.Whether the pInVec->value[0],[1],[2] represent the low-side current driven by the three half-bridges？

2.How to ensure that the current of the ADC sampling is the current of the three-phase motor, because if the lower bridge is not turned on, the current of the low-side bridge  is 0.