43 lines
1.3 KiB
C++
43 lines
1.3 KiB
C++
#include <IRBlaster.hpp>
|
|
#include <Arduino.h>
|
|
|
|
void IRBlaster::send(uint16_t *data, size_t size)
|
|
{
|
|
// Send a raw IR signal
|
|
rmt_item32_t *items = new rmt_item32_t[size / 2 + size % 2];
|
|
Serial.println("Converting IR data");
|
|
// data is in microseconds, we need to convert it to ticks
|
|
// If the number of elements is odd, we need to add a 0 at the end
|
|
for (size_t i = 0, j = 0; i < size; i += 2, j++)
|
|
{
|
|
items[j].level0 = 1;
|
|
items[j].duration0 = data[i];
|
|
items[j].level1 = 0;
|
|
if (i + 1 < size)
|
|
{
|
|
items[j].duration1 = data[i+1];
|
|
} else {
|
|
items[j].duration1 = 0;
|
|
}
|
|
}
|
|
Serial.println("Sending IR data");
|
|
ESP_ERROR_CHECK(rmt_write_items(channel, items, size / 2 + size % 2, true));
|
|
delete[] items;
|
|
}
|
|
|
|
IRBlaster::IRBlaster(uint8_t pin, rmt_channel_t channel)
|
|
{
|
|
this->channel = channel;
|
|
gpio_num_t gpio = gpio_num_t(pin);
|
|
rmt_config_t config = RMT_DEFAULT_CONFIG_TX(gpio, channel);
|
|
config.clk_div = 80;
|
|
config.tx_config.carrier_en = true;
|
|
config.tx_config.carrier_freq_hz = 38000;
|
|
ESP_ERROR_CHECK(rmt_config(&config));
|
|
ESP_ERROR_CHECK(rmt_driver_install(channel, 0, 0));
|
|
}
|
|
|
|
IRBlaster::IRBlaster(uint8_t pin)
|
|
{
|
|
IRBlaster(pin, RMT_CHANNEL_0);
|
|
} |