mirror of
https://github.com/esphome/esphome.git
synced 2024-11-10 17:27:45 +01:00
ESP32 enable ADC2 when wifi is disabled (#4381)
Co-authored-by: Keith Burzinski <kbx81x@gmail.com>
This commit is contained in:
Pierre-Alexis Ciavaldini
Jesse Hills
parent
d7945de001
commit
6bdc0c92fe
4 changed files with 166 additions and 46 deletions
|
|
@ -24,6 +24,7 @@ ATTENUATION_MODES = {
|
|||
}
|
||||
|
||||
adc1_channel_t = cg.global_ns.enum("adc1_channel_t")
|
||||
adc2_channel_t = cg.global_ns.enum("adc2_channel_t")
|
||||
|
||||
# From https://github.com/espressif/esp-idf/blob/master/components/driver/include/driver/adc_common.h
|
||||
# pin to adc1 channel mapping
|
||||
|
|
@ -78,6 +79,49 @@ ESP32_VARIANT_ADC1_PIN_TO_CHANNEL = {
|
|||
},
|
||||
}
|
||||
|
||||
ESP32_VARIANT_ADC2_PIN_TO_CHANNEL = {
|
||||
# TODO: add other variants
|
||||
VARIANT_ESP32: {
|
||||
4: adc2_channel_t.ADC2_CHANNEL_0,
|
||||
0: adc2_channel_t.ADC2_CHANNEL_1,
|
||||
2: adc2_channel_t.ADC2_CHANNEL_2,
|
||||
15: adc2_channel_t.ADC2_CHANNEL_3,
|
||||
13: adc2_channel_t.ADC2_CHANNEL_4,
|
||||
12: adc2_channel_t.ADC2_CHANNEL_5,
|
||||
14: adc2_channel_t.ADC2_CHANNEL_6,
|
||||
27: adc2_channel_t.ADC2_CHANNEL_7,
|
||||
25: adc2_channel_t.ADC2_CHANNEL_8,
|
||||
26: adc2_channel_t.ADC2_CHANNEL_9,
|
||||
},
|
||||
VARIANT_ESP32S2: {
|
||||
11: adc2_channel_t.ADC2_CHANNEL_0,
|
||||
12: adc2_channel_t.ADC2_CHANNEL_1,
|
||||
13: adc2_channel_t.ADC2_CHANNEL_2,
|
||||
14: adc2_channel_t.ADC2_CHANNEL_3,
|
||||
15: adc2_channel_t.ADC2_CHANNEL_4,
|
||||
16: adc2_channel_t.ADC2_CHANNEL_5,
|
||||
17: adc2_channel_t.ADC2_CHANNEL_6,
|
||||
18: adc2_channel_t.ADC2_CHANNEL_7,
|
||||
19: adc2_channel_t.ADC2_CHANNEL_8,
|
||||
20: adc2_channel_t.ADC2_CHANNEL_9,
|
||||
},
|
||||
VARIANT_ESP32S3: {
|
||||
11: adc2_channel_t.ADC2_CHANNEL_0,
|
||||
12: adc2_channel_t.ADC2_CHANNEL_1,
|
||||
13: adc2_channel_t.ADC2_CHANNEL_2,
|
||||
14: adc2_channel_t.ADC2_CHANNEL_3,
|
||||
15: adc2_channel_t.ADC2_CHANNEL_4,
|
||||
16: adc2_channel_t.ADC2_CHANNEL_5,
|
||||
17: adc2_channel_t.ADC2_CHANNEL_6,
|
||||
18: adc2_channel_t.ADC2_CHANNEL_7,
|
||||
19: adc2_channel_t.ADC2_CHANNEL_8,
|
||||
20: adc2_channel_t.ADC2_CHANNEL_9,
|
||||
},
|
||||
VARIANT_ESP32C3: {
|
||||
5: adc2_channel_t.ADC2_CHANNEL_0,
|
||||
},
|
||||
}
|
||||
|
||||
|
||||
def validate_adc_pin(value):
|
||||
if str(value).upper() == "VCC":
|
||||
|
|
@ -89,11 +133,18 @@ def validate_adc_pin(value):
|
|||
if CORE.is_esp32:
|
||||
value = pins.internal_gpio_input_pin_number(value)
|
||||
variant = get_esp32_variant()
|
||||
if variant not in ESP32_VARIANT_ADC1_PIN_TO_CHANNEL:
|
||||
if (
|
||||
variant not in ESP32_VARIANT_ADC1_PIN_TO_CHANNEL
|
||||
and variant not in ESP32_VARIANT_ADC2_PIN_TO_CHANNEL
|
||||
):
|
||||
raise cv.Invalid(f"This ESP32 variant ({variant}) is not supported")
|
||||
|
||||
if value not in ESP32_VARIANT_ADC1_PIN_TO_CHANNEL[variant]:
|
||||
if (
|
||||
value not in ESP32_VARIANT_ADC1_PIN_TO_CHANNEL[variant]
|
||||
and value not in ESP32_VARIANT_ADC2_PIN_TO_CHANNEL[variant]
|
||||
):
|
||||
raise cv.Invalid(f"{variant} doesn't support ADC on this pin")
|
||||
|
||||
return pins.internal_gpio_input_pin_schema(value)
|
||||
|
||||
if CORE.is_esp8266:
|
||||
|
|
@ -104,7 +155,7 @@ def validate_adc_pin(value):
|
|||
)
|
||||
|
||||
if value != 17: # A0
|
||||
raise cv.Invalid("ESP8266: Only pin A0 (GPIO17) supports ADC.")
|
||||
raise cv.Invalid("ESP8266: Only pin A0 (GPIO17) supports ADC")
|
||||
return pins.gpio_pin_schema(
|
||||
{CONF_ANALOG: True, CONF_INPUT: True}, internal=True
|
||||
)(value)
|
||||
|
|
@ -112,7 +163,7 @@ def validate_adc_pin(value):
|
|||
if CORE.is_rp2040:
|
||||
value = pins.internal_gpio_input_pin_number(value)
|
||||
if value not in (26, 27, 28, 29):
|
||||
raise cv.Invalid("RP2040: Only pins 26, 27, 28 and 29 support ADC.")
|
||||
raise cv.Invalid("RP2040: Only pins 26, 27, 28 and 29 support ADC")
|
||||
return pins.internal_gpio_input_pin_schema(value)
|
||||
|
||||
raise NotImplementedError
|
||||
|
|
|
|||
|
|
@ -20,20 +20,20 @@ namespace adc {
|
|||
|
||||
static const char *const TAG = "adc";
|
||||
|
||||
// 13bit for S2, and 12bit for all other esp32 variants
|
||||
// 13-bit for S2, 12-bit for all other ESP32 variants
|
||||
#ifdef USE_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 int SOC_ADC_RTC_MAX_BITWIDTH = 13;
|
||||
static const int32_t SOC_ADC_RTC_MAX_BITWIDTH = 13;
|
||||
#else
|
||||
static const int SOC_ADC_RTC_MAX_BITWIDTH = 12;
|
||||
static const int32_t SOC_ADC_RTC_MAX_BITWIDTH = 12;
|
||||
#endif
|
||||
#endif
|
||||
|
||||
static const int ADC_MAX = (1 << SOC_ADC_RTC_MAX_BITWIDTH) - 1; // 4095 (12 bit) or 8191 (13 bit)
|
||||
static const int ADC_HALF = (1 << SOC_ADC_RTC_MAX_BITWIDTH) >> 1; // 2048 (12 bit) or 4096 (13 bit)
|
||||
static const int32_t ADC_MAX = (1 << SOC_ADC_RTC_MAX_BITWIDTH) - 1; // 4095 (12 bit) or 8191 (13 bit)
|
||||
static const int32_t ADC_HALF = (1 << SOC_ADC_RTC_MAX_BITWIDTH) >> 1; // 2048 (12 bit) or 4096 (13 bit)
|
||||
#endif
|
||||
|
||||
#ifdef USE_RP2040
|
||||
|
|
@ -47,14 +47,21 @@ extern "C"
|
|||
#endif
|
||||
|
||||
#ifdef USE_ESP32
|
||||
adc1_config_width(ADC_WIDTH_MAX_SOC_BITS);
|
||||
if (!autorange_) {
|
||||
adc1_config_channel_atten(channel_, attenuation_);
|
||||
if (channel1_ != ADC1_CHANNEL_MAX) {
|
||||
adc1_config_width(ADC_WIDTH_MAX_SOC_BITS);
|
||||
if (!autorange_) {
|
||||
adc1_config_channel_atten(channel1_, attenuation_);
|
||||
}
|
||||
} else if (channel2_ != ADC2_CHANNEL_MAX) {
|
||||
if (!autorange_) {
|
||||
adc2_config_channel_atten(channel2_, attenuation_);
|
||||
}
|
||||
}
|
||||
|
||||
// load characteristics for each attenuation
|
||||
for (int i = 0; i < (int) ADC_ATTEN_MAX; i++) {
|
||||
auto cal_value = esp_adc_cal_characterize(ADC_UNIT_1, (adc_atten_t) i, ADC_WIDTH_MAX_SOC_BITS,
|
||||
for (int32_t i = 0; i < (int32_t) ADC_ATTEN_MAX; i++) {
|
||||
auto adc_unit = 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
|
||||
&cal_characteristics_[i]);
|
||||
switch (cal_value) {
|
||||
|
|
@ -136,9 +143,9 @@ void ADCSensor::update() {
|
|||
#ifdef USE_ESP8266
|
||||
float ADCSensor::sample() {
|
||||
#ifdef USE_ADC_SENSOR_VCC
|
||||
int raw = ESP.getVcc(); // NOLINT(readability-static-accessed-through-instance)
|
||||
int32_t raw = ESP.getVcc(); // NOLINT(readability-static-accessed-through-instance)
|
||||
#else
|
||||
int raw = analogRead(this->pin_->get_pin()); // NOLINT
|
||||
int32_t raw = analogRead(this->pin_->get_pin()); // NOLINT
|
||||
#endif
|
||||
if (output_raw_) {
|
||||
return raw;
|
||||
|
|
@ -150,29 +157,53 @@ float ADCSensor::sample() {
|
|||
#ifdef USE_ESP32
|
||||
float ADCSensor::sample() {
|
||||
if (!autorange_) {
|
||||
int raw = adc1_get_raw(channel_);
|
||||
int32_t raw = -1;
|
||||
if (channel1_ != ADC1_CHANNEL_MAX) {
|
||||
raw = adc1_get_raw(channel1_);
|
||||
} else if (channel2_ != ADC2_CHANNEL_MAX) {
|
||||
adc2_get_raw(channel2_, ADC_WIDTH_MAX_SOC_BITS, &raw);
|
||||
}
|
||||
|
||||
if (raw == -1) {
|
||||
return NAN;
|
||||
}
|
||||
if (output_raw_) {
|
||||
return raw;
|
||||
}
|
||||
uint32_t mv = esp_adc_cal_raw_to_voltage(raw, &cal_characteristics_[(int) attenuation_]);
|
||||
uint32_t mv = esp_adc_cal_raw_to_voltage(raw, &cal_characteristics_[(int32_t) attenuation_]);
|
||||
return mv / 1000.0f;
|
||||
}
|
||||
|
||||
int raw11, raw6 = ADC_MAX, raw2 = ADC_MAX, raw0 = ADC_MAX;
|
||||
adc1_config_channel_atten(channel_, ADC_ATTEN_DB_11);
|
||||
raw11 = adc1_get_raw(channel_);
|
||||
if (raw11 < ADC_MAX) {
|
||||
adc1_config_channel_atten(channel_, ADC_ATTEN_DB_6);
|
||||
raw6 = adc1_get_raw(channel_);
|
||||
if (raw6 < ADC_MAX) {
|
||||
adc1_config_channel_atten(channel_, ADC_ATTEN_DB_2_5);
|
||||
raw2 = adc1_get_raw(channel_);
|
||||
if (raw2 < ADC_MAX) {
|
||||
adc1_config_channel_atten(channel_, ADC_ATTEN_DB_0);
|
||||
raw0 = adc1_get_raw(channel_);
|
||||
int32_t raw11 = ADC_MAX, raw6 = ADC_MAX, raw2 = ADC_MAX, raw0 = ADC_MAX;
|
||||
|
||||
if (channel1_ != ADC1_CHANNEL_MAX) {
|
||||
adc1_config_channel_atten(channel1_, ADC_ATTEN_DB_11);
|
||||
raw11 = adc1_get_raw(channel1_);
|
||||
if (raw11 < ADC_MAX) {
|
||||
adc1_config_channel_atten(channel1_, ADC_ATTEN_DB_6);
|
||||
raw6 = adc1_get_raw(channel1_);
|
||||
if (raw6 < ADC_MAX) {
|
||||
adc1_config_channel_atten(channel1_, ADC_ATTEN_DB_2_5);
|
||||
raw2 = adc1_get_raw(channel1_);
|
||||
if (raw2 < ADC_MAX) {
|
||||
adc1_config_channel_atten(channel1_, ADC_ATTEN_DB_0);
|
||||
raw0 = adc1_get_raw(channel1_);
|
||||
}
|
||||
}
|
||||
}
|
||||
} else if (channel2_ != ADC2_CHANNEL_MAX) {
|
||||
adc2_config_channel_atten(channel2_, ADC_ATTEN_DB_11);
|
||||
adc2_get_raw(channel2_, ADC_WIDTH_MAX_SOC_BITS, &raw11);
|
||||
if (raw11 < ADC_MAX) {
|
||||
adc2_config_channel_atten(channel2_, ADC_ATTEN_DB_6);
|
||||
adc2_get_raw(channel2_, ADC_WIDTH_MAX_SOC_BITS, &raw6);
|
||||
if (raw6 < ADC_MAX) {
|
||||
adc2_config_channel_atten(channel2_, ADC_ATTEN_DB_2_5);
|
||||
adc2_get_raw(channel2_, ADC_WIDTH_MAX_SOC_BITS, &raw2);
|
||||
if (raw2 < ADC_MAX) {
|
||||
adc2_config_channel_atten(channel2_, ADC_ATTEN_DB_0);
|
||||
adc2_get_raw(channel2_, ADC_WIDTH_MAX_SOC_BITS, &raw0);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -181,10 +212,10 @@ float ADCSensor::sample() {
|
|||
return NAN;
|
||||
}
|
||||
|
||||
uint32_t mv11 = esp_adc_cal_raw_to_voltage(raw11, &cal_characteristics_[(int) ADC_ATTEN_DB_11]);
|
||||
uint32_t mv6 = esp_adc_cal_raw_to_voltage(raw6, &cal_characteristics_[(int) ADC_ATTEN_DB_6]);
|
||||
uint32_t mv2 = esp_adc_cal_raw_to_voltage(raw2, &cal_characteristics_[(int) ADC_ATTEN_DB_2_5]);
|
||||
uint32_t mv0 = esp_adc_cal_raw_to_voltage(raw0, &cal_characteristics_[(int) ADC_ATTEN_DB_0]);
|
||||
uint32_t mv11 = esp_adc_cal_raw_to_voltage(raw11, &cal_characteristics_[(int32_t) ADC_ATTEN_DB_11]);
|
||||
uint32_t mv6 = esp_adc_cal_raw_to_voltage(raw6, &cal_characteristics_[(int32_t) ADC_ATTEN_DB_6]);
|
||||
uint32_t mv2 = esp_adc_cal_raw_to_voltage(raw2, &cal_characteristics_[(int32_t) ADC_ATTEN_DB_2_5]);
|
||||
uint32_t mv0 = esp_adc_cal_raw_to_voltage(raw0, &cal_characteristics_[(int32_t) ADC_ATTEN_DB_0]);
|
||||
|
||||
// Contribution of each value, in range 0-2048 (12 bit ADC) or 0-4096 (13 bit ADC)
|
||||
uint32_t c11 = std::min(raw11, ADC_HALF);
|
||||
|
|
@ -212,7 +243,7 @@ float ADCSensor::sample() {
|
|||
adc_select_input(pin - 26);
|
||||
}
|
||||
|
||||
int raw = adc_read();
|
||||
int32_t raw = adc_read();
|
||||
if (this->is_temperature_) {
|
||||
adc_set_temp_sensor_enabled(false);
|
||||
}
|
||||
|
|
|
|||
|
|
@ -19,16 +19,23 @@ class ADCSensor : public sensor::Sensor, public PollingComponent, public voltage
|
|||
#ifdef USE_ESP32
|
||||
/// Set the attenuation for this pin. Only available on the ESP32.
|
||||
void set_attenuation(adc_atten_t attenuation) { attenuation_ = attenuation; }
|
||||
void set_channel(adc1_channel_t channel) { channel_ = channel; }
|
||||
void set_channel1(adc1_channel_t channel) {
|
||||
channel1_ = channel;
|
||||
channel2_ = ADC2_CHANNEL_MAX;
|
||||
}
|
||||
void set_channel2(adc2_channel_t channel) {
|
||||
channel2_ = channel;
|
||||
channel1_ = ADC1_CHANNEL_MAX;
|
||||
}
|
||||
void set_autorange(bool autorange) { autorange_ = autorange; }
|
||||
#endif
|
||||
|
||||
/// Update adc values.
|
||||
/// Update ADC values
|
||||
void update() override;
|
||||
/// Setup ADc
|
||||
/// Setup ADC
|
||||
void setup() override;
|
||||
void dump_config() override;
|
||||
/// `HARDWARE_LATE` setup priority.
|
||||
/// `HARDWARE_LATE` setup priority
|
||||
float get_setup_priority() const override;
|
||||
void set_pin(InternalGPIOPin *pin) { this->pin_ = pin; }
|
||||
void set_output_raw(bool output_raw) { output_raw_ = output_raw; }
|
||||
|
|
@ -52,9 +59,10 @@ class ADCSensor : public sensor::Sensor, public PollingComponent, public voltage
|
|||
|
||||
#ifdef USE_ESP32
|
||||
adc_atten_t attenuation_{ADC_ATTEN_DB_0};
|
||||
adc1_channel_t channel_{};
|
||||
adc1_channel_t channel1_{ADC1_CHANNEL_MAX};
|
||||
adc2_channel_t channel2_{ADC2_CHANNEL_MAX};
|
||||
bool autorange_{false};
|
||||
esp_adc_cal_characteristics_t cal_characteristics_[(int) ADC_ATTEN_MAX] = {};
|
||||
esp_adc_cal_characteristics_t cal_characteristics_[(int32_t) ADC_ATTEN_MAX] = {};
|
||||
#endif
|
||||
};
|
||||
|
||||
|
|
|
|||
|
|
@ -1,5 +1,7 @@
|
|||
import esphome.codegen as cg
|
||||
import esphome.config_validation as cv
|
||||
import esphome.final_validate as fv
|
||||
from esphome.core import CORE
|
||||
from esphome.components import sensor, voltage_sampler
|
||||
from esphome.components.esp32 import get_esp32_variant
|
||||
from esphome.const import (
|
||||
|
|
@ -8,15 +10,15 @@ from esphome.const import (
|
|||
CONF_NUMBER,
|
||||
CONF_PIN,
|
||||
CONF_RAW,
|
||||
CONF_WIFI,
|
||||
DEVICE_CLASS_VOLTAGE,
|
||||
STATE_CLASS_MEASUREMENT,
|
||||
UNIT_VOLT,
|
||||
)
|
||||
from esphome.core import CORE
|
||||
|
||||
from . import (
|
||||
ATTENUATION_MODES,
|
||||
ESP32_VARIANT_ADC1_PIN_TO_CHANNEL,
|
||||
ESP32_VARIANT_ADC2_PIN_TO_CHANNEL,
|
||||
validate_adc_pin,
|
||||
)
|
||||
|
||||
|
|
@ -25,7 +27,23 @@ AUTO_LOAD = ["voltage_sampler"]
|
|||
|
||||
def validate_config(config):
|
||||
if config[CONF_RAW] and config.get(CONF_ATTENUATION, None) == "auto":
|
||||
raise cv.Invalid("Automatic attenuation cannot be used when raw output is set.")
|
||||
raise cv.Invalid("Automatic attenuation cannot be used when raw output is set")
|
||||
|
||||
return config
|
||||
|
||||
|
||||
def final_validate_config(config):
|
||||
if CORE.is_esp32:
|
||||
variant = get_esp32_variant()
|
||||
if (
|
||||
CONF_WIFI in fv.full_config.get()
|
||||
and config[CONF_PIN][CONF_NUMBER]
|
||||
in ESP32_VARIANT_ADC2_PIN_TO_CHANNEL[variant]
|
||||
):
|
||||
raise cv.Invalid(
|
||||
f"{variant} doesn't support ADC on this pin when Wi-Fi is configured"
|
||||
)
|
||||
|
||||
return config
|
||||
|
||||
|
||||
|
|
@ -55,6 +73,8 @@ CONFIG_SCHEMA = cv.All(
|
|||
validate_config,
|
||||
)
|
||||
|
||||
FINAL_VALIDATE_SCHEMA = final_validate_config
|
||||
|
||||
|
||||
async def to_code(config):
|
||||
var = cg.new_Pvariable(config[CONF_ID])
|
||||
|
|
@ -81,5 +101,15 @@ async def to_code(config):
|
|||
if CORE.is_esp32:
|
||||
variant = get_esp32_variant()
|
||||
pin_num = config[CONF_PIN][CONF_NUMBER]
|
||||
chan = ESP32_VARIANT_ADC1_PIN_TO_CHANNEL[variant][pin_num]
|
||||
cg.add(var.set_channel(chan))
|
||||
if (
|
||||
variant in ESP32_VARIANT_ADC1_PIN_TO_CHANNEL
|
||||
and pin_num in ESP32_VARIANT_ADC1_PIN_TO_CHANNEL[variant]
|
||||
):
|
||||
chan = ESP32_VARIANT_ADC1_PIN_TO_CHANNEL[variant][pin_num]
|
||||
cg.add(var.set_channel1(chan))
|
||||
elif (
|
||||
variant in ESP32_VARIANT_ADC2_PIN_TO_CHANNEL
|
||||
and pin_num in ESP32_VARIANT_ADC2_PIN_TO_CHANNEL[variant]
|
||||
):
|
||||
chan = ESP32_VARIANT_ADC2_PIN_TO_CHANNEL[variant][pin_num]
|
||||
cg.add(var.set_channel2(chan))
|
||||
|
|
|
|||
Loading…
Reference in a new issue