void runRmtTest() {
ESP_LOGD(tag, ">> runRmtTest");
rmt_config_t config;
config.rmt_mode = RMT_MODE_TX;
config.channel = RMT_CHANNEL_0;
config.gpio_num = 21;
config.mem_block_num = 1;
config.tx_config.loop_en = 0;
config.tx_config.carrier_en = 0;
config.tx_config.idle_output_en = 1;
config.tx_config.idle_level = 0;
config.tx_config.carrier_duty_percent = 50;
config.tx_config.carrier_freq_hz = 10000;
config.tx_config.carrier_level = 1;
config.clk_div = 80;
ESP_ERROR_CHECK(rmt_config(&config));
ESP_ERROR_CHECK(rmt_driver_install(config.channel, 0, 0));
dumpStatus(config.channel);
rmt_item32_t items[3];
items[0].duration0 = 10000;
items[0].level0 = 1;
items[0].duration1 = 10000;
items[0].level1 = 0;
items[1].duration0 = 10000;
items[1].level0 = 1;
items[1].duration1 = 5000;
items[1].level1 = 0;
items[2].duration0 = 0;
items[2].level0 = 1;
items[2].duration1 = 0;
items[2].level1 = 0;
while(1) {
ESP_ERROR_CHECK(rmt_write_items(config.channel, items,
3, /* Number of items */
1 /* wait till done */));
vTaskDelay(1000/portTICK_PERIOD_MS);
}
ESP_LOGD(tag, "<< runRmtTest");
}
void WS2812::show() {
uint32_t i,j;
rmt_item32_t *pCurrentItem = this->items;
for (i=0; i<this->pixelCount; i++) {
uint32_t currentPixel = this->pixels[i].red | (this->pixels[i].green << 8) | (this->pixels[i].blue << 16);
for (j=0; j<24; j++) {
if (currentPixel & 1<<j) {
setItem1(pCurrentItem);
} else {
setItem0(pCurrentItem);
}
pCurrentItem++;
}
}
// Show the pixels.
rmt_write_items(this->channel, this->items, this->pixelCount*24,
1 /* wait till done */);
} // show
