Merge branch 'dev' into adc-new-library-espidf-5

.github/workflows/release.yml

@@ -65,7 +65,7 @@ jobs:
           pip3 install build
           python3 -m build
       - name: Publish
-        uses: pypa/gh-action-pypi-publish@v1.12.2
+        uses: pypa/gh-action-pypi-publish@v1.12.3
 
   deploy-docker:
     name: Build ESPHome ${{ matrix.platform }}

esphome/components/adc/adc_sensor.h

@@ -3,7 +3,6 @@
 #include "esphome/components/sensor/sensor.h"
 #include "esphome/components/voltage_sampler/voltage_sampler.h"
 #include "esphome/core/component.h"
-#include "esphome/core/defines.h"
 #include "esphome/core/hal.h"
 #include "esphome/core/log.h"
 

esphome/components/adc/adc_sensor_esp32.cpp

@@ -0,0 +1,163 @@
+#ifdef USE_ESP32
+
+#include "adc_sensor.h"
+#include "esphome/core/log.h"
+
+namespace esphome {
+namespace adc {
+
+static const char *const TAG = "adc.esp32";
+
+static const adc_bits_width_t ADC_WIDTH_MAX_SOC_BITS = static_cast<adc_bits_width_t>(ADC_WIDTH_MAX - 1);
+
+#ifndef SOC_ADC_RTC_MAX_BITWIDTH
+#if USE_ESP32_VARIANT_ESP32S2
+static const int32_t SOC_ADC_RTC_MAX_BITWIDTH = 13;
+#else
+static const int32_t SOC_ADC_RTC_MAX_BITWIDTH = 12;
+#endif  // USE_ESP32_VARIANT_ESP32S2
+#endif  // SOC_ADC_RTC_MAX_BITWIDTH
+
+static const int ADC_MAX = (1 << SOC_ADC_RTC_MAX_BITWIDTH) - 1;
+static const int ADC_HALF = (1 << SOC_ADC_RTC_MAX_BITWIDTH) >> 1;
+
+void ADCSensor::setup() {
+  ESP_LOGCONFIG(TAG, "Setting up ADC '%s'...", this->get_name().c_str());
+
+  if (this->channel1_ != ADC1_CHANNEL_MAX) {
+    adc1_config_width(ADC_WIDTH_MAX_SOC_BITS);
+    if (!this->autorange_) {
+      adc1_config_channel_atten(this->channel1_, this->attenuation_);
+    }
+  } else if (this->channel2_ != ADC2_CHANNEL_MAX) {
+    if (!this->autorange_) {
+      adc2_config_channel_atten(this->channel2_, this->attenuation_);
+    }
+  }
+
+  for (int32_t i = 0; i <= ADC_ATTEN_DB_12_COMPAT; i++) {
+    auto adc_unit = this->channel1_ != ADC1_CHANNEL_MAX ? ADC_UNIT_1 : ADC_UNIT_2;
+    auto cal_value = esp_adc_cal_characterize(adc_unit, (adc_atten_t) i, ADC_WIDTH_MAX_SOC_BITS,
+                                              1100,  // default vref
+                                              &this->cal_characteristics_[i]);
+    switch (cal_value) {
+      case ESP_ADC_CAL_VAL_EFUSE_VREF:
+        ESP_LOGV(TAG, "Using eFuse Vref for calibration");
+        break;
+      case ESP_ADC_CAL_VAL_EFUSE_TP:
+        ESP_LOGV(TAG, "Using two-point eFuse Vref for calibration");
+        break;
+      case ESP_ADC_CAL_VAL_DEFAULT_VREF:
+      default:
+        break;
+    }
+  }
+}
+
+void ADCSensor::dump_config() {
+  LOG_SENSOR("", "ADC Sensor", this);
+  LOG_PIN("  Pin: ", this->pin_);
+  if (this->autorange_) {
+    ESP_LOGCONFIG(TAG, "  Attenuation: auto");
+  } else {
+    switch (this->attenuation_) {
+      case ADC_ATTEN_DB_0:
+        ESP_LOGCONFIG(TAG, "  Attenuation: 0db");
+        break;
+      case ADC_ATTEN_DB_2_5:
+        ESP_LOGCONFIG(TAG, "  Attenuation: 2.5db");
+        break;
+      case ADC_ATTEN_DB_6:
+        ESP_LOGCONFIG(TAG, "  Attenuation: 6db");
+        break;
+      case ADC_ATTEN_DB_12_COMPAT:
+        ESP_LOGCONFIG(TAG, "  Attenuation: 12db");
+        break;
+      default:  // This is to satisfy the unused ADC_ATTEN_MAX
+        break;
+    }
+  }
+  ESP_LOGCONFIG(TAG, "  Samples: %i", this->sample_count_);
+  LOG_UPDATE_INTERVAL(this);
+}
+
+float ADCSensor::sample() {
+  if (!this->autorange_) {
+    uint32_t sum = 0;
+    for (uint8_t sample = 0; sample < this->sample_count_; sample++) {
+      int raw = -1;
+      if (this->channel1_ != ADC1_CHANNEL_MAX) {
+        raw = adc1_get_raw(this->channel1_);
+      } else if (this->channel2_ != ADC2_CHANNEL_MAX) {
+        adc2_get_raw(this->channel2_, ADC_WIDTH_MAX_SOC_BITS, &raw);
+      }
+      if (raw == -1) {
+        return NAN;
+      }
+      sum += raw;
+    }
+    sum = (sum + (this->sample_count_ >> 1)) / this->sample_count_;  // NOLINT(clang-analyzer-core.DivideZero)
+    if (this->output_raw_) {
+      return sum;
+    }
+    uint32_t mv = esp_adc_cal_raw_to_voltage(sum, &this->cal_characteristics_[(int32_t) this->attenuation_]);
+    return mv / 1000.0f;
+  }
+
+  int raw12 = ADC_MAX, raw6 = ADC_MAX, raw2 = ADC_MAX, raw0 = ADC_MAX;
+
+  if (this->channel1_ != ADC1_CHANNEL_MAX) {
+    adc1_config_channel_atten(this->channel1_, ADC_ATTEN_DB_12_COMPAT);
+    raw12 = adc1_get_raw(this->channel1_);
+    if (raw12 < ADC_MAX) {
+      adc1_config_channel_atten(this->channel1_, ADC_ATTEN_DB_6);
+      raw6 = adc1_get_raw(this->channel1_);
+      if (raw6 < ADC_MAX) {
+        adc1_config_channel_atten(this->channel1_, ADC_ATTEN_DB_2_5);
+        raw2 = adc1_get_raw(this->channel1_);
+        if (raw2 < ADC_MAX) {
+          adc1_config_channel_atten(this->channel1_, ADC_ATTEN_DB_0);
+          raw0 = adc1_get_raw(this->channel1_);
+        }
+      }
+    }
+  } else if (this->channel2_ != ADC2_CHANNEL_MAX) {
+    adc2_config_channel_atten(this->channel2_, ADC_ATTEN_DB_12_COMPAT);
+    adc2_get_raw(this->channel2_, ADC_WIDTH_MAX_SOC_BITS, &raw12);
+    if (raw12 < ADC_MAX) {
+      adc2_config_channel_atten(this->channel2_, ADC_ATTEN_DB_6);
+      adc2_get_raw(this->channel2_, ADC_WIDTH_MAX_SOC_BITS, &raw6);
+      if (raw6 < ADC_MAX) {
+        adc2_config_channel_atten(this->channel2_, ADC_ATTEN_DB_2_5);
+        adc2_get_raw(this->channel2_, ADC_WIDTH_MAX_SOC_BITS, &raw2);
+        if (raw2 < ADC_MAX) {
+          adc2_config_channel_atten(this->channel2_, ADC_ATTEN_DB_0);
+          adc2_get_raw(this->channel2_, ADC_WIDTH_MAX_SOC_BITS, &raw0);
+        }
+      }
+    }
+  }
+
+  if (raw0 == -1 || raw2 == -1 || raw6 == -1 || raw12 == -1) {
+    return NAN;
+  }
+
+  uint32_t mv12 = esp_adc_cal_raw_to_voltage(raw12, &this->cal_characteristics_[(int32_t) ADC_ATTEN_DB_12_COMPAT]);
+  uint32_t mv6 = esp_adc_cal_raw_to_voltage(raw6, &this->cal_characteristics_[(int32_t) ADC_ATTEN_DB_6]);
+  uint32_t mv2 = esp_adc_cal_raw_to_voltage(raw2, &this->cal_characteristics_[(int32_t) ADC_ATTEN_DB_2_5]);
+  uint32_t mv0 = esp_adc_cal_raw_to_voltage(raw0, &this->cal_characteristics_[(int32_t) ADC_ATTEN_DB_0]);
+
+  uint32_t c12 = std::min(raw12, ADC_HALF);
+  uint32_t c6 = ADC_HALF - std::abs(raw6 - ADC_HALF);
+  uint32_t c2 = ADC_HALF - std::abs(raw2 - ADC_HALF);
+  uint32_t c0 = std::min(ADC_MAX - raw0, ADC_HALF);
+  uint32_t csum = c12 + c6 + c2 + c0;
+
+  uint32_t mv_scaled = (mv12 * c12) + (mv6 * c6) + (mv2 * c2) + (mv0 * c0);
+  return mv_scaled / (float) (csum * 1000U);
+}
+
+}  // namespace adc
+}  // namespace esphome
+
+#endif  // USE_ESP32