#include "hal/adc.h" #include "foc_type.h" static float __inline adc_to_current(u32 adc){ int i_adc = (int)adc; if (i_adc > INT16_MAX){ i_adc = INT16_MAX; }else if (i_adc < -INT16_MAX) { i_adc = - INT16_MAX; } return (i_adc/4095.0f * 3.3f / 0.001f); } void get_phase_current(current_samp_t *cs){ u32 phase_current1, phase_current2; HAL_ADC1_Inject_Read(cs->sector, &phase_current1, &phase_current2); if (cs->sector == SECTOR_4 || cs->sector == SECTOR_5) { /* Current on Phase C is not accessible */ /* Ia = PhaseAOffset - ADC converted value) */ cs->ia = adc_to_current(phase_current1 - cs->adc_offset_a); cs->ib = adc_to_current(phase_current2 - cs->adc_offset_b); cs->ic = -(cs->ia + cs->ib); }else if (cs->sector == SECTOR_1 || cs->sector == SECTOR_6) { /* Current on Phase A is not accessible */ /* Ib = PhaseBOffset - ADC converted value) */ cs->ib = adc_to_current(phase_current1 - cs->adc_offset_b); cs->ic = adc_to_current(phase_current2 - cs->adc_offset_c); cs->ia = -(cs->ib + cs->ic); }else if (cs->sector == SECTOR_2 || cs->sector == SECTOR_3) { /* Current on Phase B is not accessible */ /* Ia = PhaseAOffset - ADC converted value) */ cs->ia = adc_to_current(phase_current1 - cs->adc_offset_a); cs->ic = adc_to_current(phase_current2 - cs->adc_offset_c); cs->ib = -(cs->ia + cs->ic); } } u32 get_phase_sample_point(current_samp_t *cs, phase_time_t *time, u8 sector){ cs->sector = sector; return 0; }