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Convert hall read to use hal/idf (#5268)

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Fixes #4866
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lbernstone 2021-06-10 02:58:08 -06:00 committed by GitHub
parent 10602939cc
commit b5ee7ddeed
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1 changed files with 3 additions and 19 deletions
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22
cores/esp32/esp32-hal-adc.c
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@ -245,28 +245,12 @@ void __analogSetVRefPin(uint8_t pin){
__analogVRefPin = pin; __analogVRefPin = pin;
} }
int __hallRead() //hall sensor without LNA int __hallRead() //hall sensor using idf read
{ {
int Sens_Vp0;
int Sens_Vn0;
int Sens_Vp1;
int Sens_Vn1;
pinMode(36, ANALOG); pinMode(36, ANALOG);
pinMode(39, ANALOG); pinMode(39, ANALOG);
SET_PERI_REG_MASK(SENS_SAR_TOUCH_CTRL1_REG, SENS_XPD_HALL_FORCE_M); // hall sens force enable __analogSetWidth(12);
SET_PERI_REG_MASK(RTC_IO_HALL_SENS_REG, RTC_IO_XPD_HALL); // xpd hall return hall_sensor_read();
SET_PERI_REG_MASK(SENS_SAR_TOUCH_CTRL1_REG, SENS_HALL_PHASE_FORCE_M); // phase force
CLEAR_PERI_REG_MASK(RTC_IO_HALL_SENS_REG, RTC_IO_HALL_PHASE); // hall phase
Sens_Vp0 = __analogRead(36);
Sens_Vn0 = __analogRead(39);
SET_PERI_REG_MASK(RTC_IO_HALL_SENS_REG, RTC_IO_HALL_PHASE);
Sens_Vp1 = __analogRead(36);
Sens_Vn1 = __analogRead(39);
SET_PERI_REG_BITS(SENS_SAR_MEAS_WAIT2_REG, SENS_FORCE_XPD_SAR, 0, SENS_FORCE_XPD_SAR_S);
CLEAR_PERI_REG_MASK(SENS_SAR_TOUCH_CTRL1_REG, SENS_XPD_HALL_FORCE);
CLEAR_PERI_REG_MASK(SENS_SAR_TOUCH_CTRL1_REG, SENS_HALL_PHASE_FORCE);
return (Sens_Vp1 - Sens_Vp0) - (Sens_Vn1 - Sens_Vn0);
} }
#endif #endif