Files
esphome-dev/esphome/components/rp2040_pwm/rp2040_pwm.cpp
T
Jesse Hills 6153bcc6ad Initial Support for RP2040 platform (#3284)
Co-authored-by: Paulus Schoutsen <balloob@gmail.com>
2022-10-20 16:50:39 +13:00

46 lines
1.0 KiB
C++

#ifdef USE_RP2040
#include "rp2040_pwm.h"
#include "esphome/core/defines.h"
#include "esphome/core/helpers.h"
#include "esphome/core/log.h"
#include "esphome/core/macros.h"
#include <PinNames.h>
namespace esphome {
namespace rp2040_pwm {
static const char *const TAG = "rp2040_pwm";
void RP2040PWM::setup() {
ESP_LOGCONFIG(TAG, "Setting up RP2040 PWM Output...");
this->pin_->setup();
this->pwm_ = new mbed::PwmOut((PinName) this->pin_->get_pin());
this->turn_off();
}
void RP2040PWM::dump_config() {
ESP_LOGCONFIG(TAG, "RP2040 PWM:");
LOG_PIN(" Pin: ", this->pin_);
ESP_LOGCONFIG(TAG, " Frequency: %.1f Hz", this->frequency_);
LOG_FLOAT_OUTPUT(this);
}
void HOT RP2040PWM::write_state(float state) {
this->last_output_ = state;
// Also check pin inversion
if (this->pin_->is_inverted()) {
state = 1.0f - state;
}
auto total_time_us = static_cast<uint32_t>(roundf(1e6f / this->frequency_));
this->pwm_->period_us(total_time_us);
this->pwm_->write(state);
}
} // namespace rp2040_pwm
} // namespace esphome
#endif