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Add support for ESP32 DAC (#1071)

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* Add support for ESP32 onboard DAC

* Newlines

* Tests
This commit is contained in:
Oskar Napieraj
2020-05-24 05:06:55 +02:00
committed by GitHub
parent 39fbf9c56f
commit 4de44a99eb
5 changed files with 109 additions and 0 deletions
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esphome/components/esp32_dac/esp32_dac.cpp
+37
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#include "esp32_dac.h"
#include "esphome/core/log.h"
#include "esphome/core/helpers.h"
#ifdef ARDUINO_ARCH_ESP32
#include <esp32-hal-dac.h>
namespace esphome {
namespace esp32_dac {
static const char *TAG = "esp32_dac";
void ESP32DAC::setup() {
ESP_LOGCONFIG(TAG, "Setting up ESP32 DAC Output...");
this->pin_->setup();
this->turn_off();
}
void ESP32DAC::dump_config() {
ESP_LOGCONFIG(TAG, "ESP32 DAC:");
LOG_PIN(" Pin: ", this->pin_);
LOG_FLOAT_OUTPUT(this);
}
void ESP32DAC::write_state(float state) {
if (this->pin_->is_inverted())
state = 1.0f - state;
state = state * 255;
dacWrite(this->pin_->get_pin(), state);
}
} // namespace esp32_dac
} // namespace esphome
#endif