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7a6df38515
* Add ESP8266 core v2.6.2 * Upstream ESP8266 Wifi fixes * Replace disable_interrupt with InterruptLock C++ class * Update code to use InterruptLock * Lint * Update dht.cpp * Improve InterruptLock docs, mark as ICACHE_RAM_ATTR * Fixes
94 lines
2.8 KiB
C++
94 lines
2.8 KiB
C++
#include "remote_transmitter.h"
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#include "esphome/core/log.h"
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#include "esphome/core/application.h"
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#ifdef ARDUINO_ARCH_ESP8266
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namespace esphome {
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namespace remote_transmitter {
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static const char *TAG = "remote_transmitter";
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void RemoteTransmitterComponent::setup() {
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this->pin_->setup();
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this->pin_->digital_write(false);
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}
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void RemoteTransmitterComponent::dump_config() {
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ESP_LOGCONFIG(TAG, "Remote Transmitter...");
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ESP_LOGCONFIG(TAG, " Carrier Duty: %u%%", this->carrier_duty_percent_);
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LOG_PIN(" Pin: ", this->pin_);
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}
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void RemoteTransmitterComponent::calculate_on_off_time_(uint32_t carrier_frequency, uint32_t *on_time_period,
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uint32_t *off_time_period) {
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if (carrier_frequency == 0) {
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*on_time_period = 0;
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*off_time_period = 0;
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return;
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}
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uint32_t period = (1000000UL + carrier_frequency / 2) / carrier_frequency; // round(1000000/freq)
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period = std::max(uint32_t(1), period);
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*on_time_period = (period * this->carrier_duty_percent_) / 100;
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*off_time_period = period - *on_time_period;
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}
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void RemoteTransmitterComponent::mark_(uint32_t on_time, uint32_t off_time, uint32_t usec) {
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if (this->carrier_duty_percent_ == 100 || (on_time == 0 && off_time == 0)) {
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this->pin_->digital_write(true);
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delay_microseconds_accurate(usec);
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this->pin_->digital_write(false);
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return;
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}
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const uint32_t start_time = micros();
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uint32_t current_time = start_time;
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while (current_time - start_time < usec) {
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const uint32_t elapsed = current_time - start_time;
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this->pin_->digital_write(true);
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delay_microseconds_accurate(std::min(on_time, usec - elapsed));
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this->pin_->digital_write(false);
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if (elapsed + on_time >= usec)
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return;
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delay_microseconds_accurate(std::min(usec - elapsed - on_time, off_time));
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current_time = micros();
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}
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}
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void RemoteTransmitterComponent::space_(uint32_t usec) {
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this->pin_->digital_write(false);
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delay_microseconds_accurate(usec);
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}
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void RemoteTransmitterComponent::send_internal(uint32_t send_times, uint32_t send_wait) {
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ESP_LOGD(TAG, "Sending remote code...");
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uint32_t on_time, off_time;
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this->calculate_on_off_time_(this->temp_.get_carrier_frequency(), &on_time, &off_time);
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for (uint32_t i = 0; i < send_times; i++) {
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{
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InterruptLock lock;
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for (int32_t item : this->temp_.get_data()) {
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if (item > 0) {
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const auto length = uint32_t(item);
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this->mark_(on_time, off_time, length);
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} else {
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const auto length = uint32_t(-item);
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this->space_(length);
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}
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App.feed_wdt();
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}
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}
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if (i + 1 < send_times) {
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delay_microseconds_accurate(send_wait);
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}
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}
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}
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} // namespace remote_transmitter
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} // namespace esphome
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#endif
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