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This commit is contained in:
me-no-dev
2020-05-09 19:11:30 +03:00
parent ebe0d9a6cb
commit 0a262244e6
4324 changed files with 645232 additions and 253864 deletions
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79
cores/esp32/esp32-hal-adc.c
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@ -21,13 +21,19 @@
#include "soc/sens_reg.h"
#include "driver/adc.h"
#include "esp_adc_cal.h"
#include "esp_system.h"
#ifdef ESP_IDF_VERSION_MAJOR // IDF 4+
#if CONFIG_IDF_TARGET_ESP32 // ESP32/PICO-D4
#include "esp_adc_cal.h"
#include "esp32/rom/ets_sys.h"
#include "esp_intr_alloc.h"
#define DEFAULT_VREF 1100
static esp_adc_cal_characteristics_t *__analogCharacteristics[2] = {NULL, NULL};
static uint16_t __analogVRef = 0;
static uint8_t __analogVRefPin = 0;
#elif CONFIG_IDF_TARGET_ESP32S2
#include "esp32s2/rom/ets_sys.h"
#else
#error Target CONFIG_IDF_TARGET is not supported
#endif
@ -36,23 +42,9 @@
#include "esp_intr.h"
#endif
#define DEFAULT_VREF 1100
static esp_adc_cal_characteristics_t *__analogCharacteristics[2] = {NULL, NULL};
static uint8_t __analogAttenuation = 3;//11db
static uint8_t __analogWidth = 3;//12 bits
static uint8_t __analogClockDiv = 1;
static uint16_t __analogVRef = 0;
static uint8_t __analogVRefPin = 0;
void __analogSetWidth(uint8_t bits){
if(bits < 9){
bits = 9;
} else if(bits > 12){
bits = 12;
}
__analogWidth = bits - 9;
adc1_config_width(__analogWidth);
}
void __analogSetClockDiv(uint8_t clockDiv){
if(!clockDiv){
@ -67,6 +59,18 @@ void __analogSetAttenuation(adc_attenuation_t attenuation)
__analogAttenuation = attenuation & 3;
}
#if CONFIG_IDF_TARGET_ESP32
void __analogSetWidth(uint8_t bits){
if(bits < 9){
bits = 9;
} else if(bits > 12){
bits = 12;
}
__analogWidth = bits - 9;
adc1_config_width(__analogWidth);
}
#endif
void __analogInit(){
static bool initialized = false;
if(initialized){
@ -74,7 +78,9 @@ void __analogInit(){
}
initialized = true;
__analogSetClockDiv(__analogClockDiv);
#if CONFIG_IDF_TARGET_ESP32
__analogSetWidth(__analogWidth + 9);//in bits
#endif
}
void __analogSetPinAttenuation(uint8_t pin, adc_attenuation_t attenuation)
@ -99,6 +105,7 @@ bool __adcAttachPin(uint8_t pin){
}
int8_t pad = digitalPinToTouchChannel(pin);
if(pad >= 0){
#if CONFIG_IDF_TARGET_ESP32
uint32_t touch = READ_PERI_REG(SENS_SAR_TOUCH_ENABLE_REG);
if(touch & (1 << pad)){
touch &= ~((1 << (pad + SENS_TOUCH_PAD_OUTEN2_S))
@ -106,6 +113,7 @@ bool __adcAttachPin(uint8_t pin){
| (1 << (pad + SENS_TOUCH_PAD_WORKEN_S)));
WRITE_PERI_REG(SENS_SAR_TOUCH_ENABLE_REG, touch);
}
#endif
} else if(pin == 25){
CLEAR_PERI_REG_MASK(RTC_IO_PAD_DAC1_REG, RTC_IO_PDAC1_XPD_DAC | RTC_IO_PDAC1_DAC_XPD_FORCE);//stop dac1
} else if(pin == 26){
@ -122,7 +130,9 @@ void __analogReadResolution(uint8_t bits)
if(!bits || bits > 16){
return;
}
#if CONFIG_IDF_TARGET_ESP32
__analogSetWidth(bits); // hadware from 9 to 12
#endif
}
uint16_t __analogRead(uint8_t pin)
@ -153,19 +163,13 @@ uint16_t __analogRead(uint8_t pin)
return value;
}
void __analogSetVRefPin(uint8_t pin){
if(pin <25 || pin > 27){
pin = 0;
}
__analogVRefPin = pin;
}
uint32_t __analogReadMilliVolts(uint8_t pin){
int8_t channel = digitalPinToAnalogChannel(pin);
if(channel < 0){
log_e("Pin %u is not ADC pin!", pin);
return 0;
}
#if CONFIG_IDF_TARGET_ESP32
if(!__analogVRef){
if (esp_adc_cal_check_efuse(ESP_ADC_CAL_VAL_EFUSE_TP) == ESP_OK) {
log_d("eFuse Two Point: Supported");
@ -210,6 +214,27 @@ uint32_t __analogReadMilliVolts(uint8_t pin){
}
}
return esp_adc_cal_raw_to_voltage(adc_reading, __analogCharacteristics[unit - 1]);
#else
uint16_t adc_reading = __analogRead(pin);
uint16_t max_reading = 8191;
uint16_t max_mv = 1100;
switch(__analogAttenuation){
case 3: max_mv = 3900; break;
case 2: max_mv = 2200; break;
case 1: max_mv = 1500; break;
default: break;
}
return (adc_reading * max_mv) / max_reading;
#endif
}
#if CONFIG_IDF_TARGET_ESP32
void __analogSetVRefPin(uint8_t pin){
if(pin <25 || pin > 27){
pin = 0;
}
__analogVRefPin = pin;
}
int __hallRead() //hall sensor without LNA
@ -235,16 +260,20 @@ int __hallRead() //hall sensor without LNA
CLEAR_PERI_REG_MASK(SENS_SAR_TOUCH_CTRL1_REG, SENS_HALL_PHASE_FORCE);
return (Sens_Vp1 - Sens_Vp0) - (Sens_Vn1 - Sens_Vn0);
}
#endif
extern uint16_t analogRead(uint8_t pin) __attribute__ ((weak, alias("__analogRead")));
extern uint32_t analogReadMilliVolts(uint8_t pin) __attribute__ ((weak, alias("__analogReadMilliVolts")));
extern void analogReadResolution(uint8_t bits) __attribute__ ((weak, alias("__analogReadResolution")));
extern void analogSetWidth(uint8_t bits) __attribute__ ((weak, alias("__analogSetWidth")));
extern void analogSetClockDiv(uint8_t clockDiv) __attribute__ ((weak, alias("__analogSetClockDiv")));
extern void analogSetAttenuation(adc_attenuation_t attenuation) __attribute__ ((weak, alias("__analogSetAttenuation")));
extern void analogSetPinAttenuation(uint8_t pin, adc_attenuation_t attenuation) __attribute__ ((weak, alias("__analogSetPinAttenuation")));
extern int hallRead() __attribute__ ((weak, alias("__hallRead")));
extern bool adcAttachPin(uint8_t pin) __attribute__ ((weak, alias("__adcAttachPin")));
#if CONFIG_IDF_TARGET_ESP32
extern void analogSetVRefPin(uint8_t pin) __attribute__ ((weak, alias("__analogSetVRefPin")));
extern uint32_t analogReadMilliVolts(uint8_t pin) __attribute__ ((weak, alias("__analogReadMilliVolts")));
extern void analogSetWidth(uint8_t bits) __attribute__ ((weak, alias("__analogSetWidth")));
extern int hallRead() __attribute__ ((weak, alias("__hallRead")));
#endif