mirror of https://github.com/esphome/esphome.git
131 lines
3.9 KiB
C++
131 lines
3.9 KiB
C++
#include "dfplayer.h"
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#include "esphome/core/log.h"
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namespace esphome {
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namespace dfplayer {
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static const char *TAG = "dfplayer";
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void DFPlayer::play_folder(uint16_t folder, uint16_t file) {
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if (folder < 100 && file < 256) {
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this->ack_set_is_playing_ = true;
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this->send_cmd_(0x0F, (uint8_t) folder, (uint8_t) file);
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} else if (folder <= 10 && file <= 1000) {
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this->ack_set_is_playing_ = true;
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this->send_cmd_(0x14, (((uint16_t) folder) << 12) | file);
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} else {
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ESP_LOGE(TAG, "Cannot play folder %d file %d.", folder, file);
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}
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}
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void DFPlayer::send_cmd_(uint8_t cmd, uint16_t argument) {
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uint8_t buffer[10]{0x7e, 0xff, 0x06, cmd, 0x01, (uint8_t)(argument >> 8), (uint8_t) argument, 0x00, 0x00, 0xef};
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uint16_t checksum = 0;
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for (uint8_t i = 1; i < 7; i++)
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checksum += buffer[i];
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checksum = -checksum;
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buffer[7] = checksum >> 8;
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buffer[8] = (uint8_t) checksum;
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this->sent_cmd_ = cmd;
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ESP_LOGD(TAG, "Send Command %#02x arg %#04x", cmd, argument);
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this->write_array(buffer, 10);
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}
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void DFPlayer::loop() {
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// Read message
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while (this->available()) {
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uint8_t byte;
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this->read_byte(&byte);
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if (this->read_pos_ == DFPLAYER_READ_BUFFER_LENGTH)
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this->read_pos_ = 0;
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switch (this->read_pos_) {
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case 0: // Start mark
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if (byte != 0x7E)
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continue;
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break;
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case 1: // Version
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if (byte != 0xFF) {
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ESP_LOGW(TAG, "Expected Version 0xFF, got %#02x", byte);
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this->read_pos_ = 0;
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continue;
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}
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break;
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case 2: // Buffer length
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if (byte != 0x06) {
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ESP_LOGW(TAG, "Expected Buffer length 0x06, got %#02x", byte);
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this->read_pos_ = 0;
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continue;
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}
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break;
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case 9: // End byte
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if (byte != 0xEF) {
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ESP_LOGW(TAG, "Expected end byte 0xEF, got %#02x", byte);
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this->read_pos_ = 0;
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continue;
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}
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// Parse valid received command
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uint8_t cmd = this->read_buffer_[3];
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uint16_t argument = (this->read_buffer_[5] << 8) | this->read_buffer_[6];
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ESP_LOGV(TAG, "Received message cmd: %#02x arg %#04x", cmd, argument);
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switch (cmd) {
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case 0x3A:
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if (argument == 1) {
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ESP_LOGI(TAG, "USB loaded");
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} else if (argument == 2)
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ESP_LOGI(TAG, "TF Card loaded");
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break;
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case 0x3B:
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if (argument == 1) {
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ESP_LOGI(TAG, "USB unloaded");
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} else if (argument == 2)
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ESP_LOGI(TAG, "TF Card unloaded");
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break;
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case 0x3F:
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if (argument == 1) {
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ESP_LOGI(TAG, "USB available");
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} else if (argument == 2) {
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ESP_LOGI(TAG, "TF Card available");
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} else if (argument == 3) {
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ESP_LOGI(TAG, "USB, TF Card available");
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}
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break;
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case 0x40:
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ESP_LOGV(TAG, "Nack");
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this->ack_set_is_playing_ = false;
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this->ack_reset_is_playing_ = false;
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case 0x41:
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ESP_LOGV(TAG, "Ack ok");
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this->is_playing_ |= this->ack_set_is_playing_;
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this->is_playing_ &= !this->ack_reset_is_playing_;
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this->ack_set_is_playing_ = false;
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this->ack_reset_is_playing_ = false;
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break;
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case 0x3D: // Playback finished
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this->is_playing_ = false;
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this->on_finished_playback_callback_.call();
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break;
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default:
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ESP_LOGD(TAG, "Command %#02x arg %#04x", cmd, argument);
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}
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this->sent_cmd_ = 0;
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this->read_pos_ = 0;
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continue;
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}
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this->read_buffer_[this->read_pos_] = byte;
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this->read_pos_++;
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}
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}
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void DFPlayer::dump_config() {
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ESP_LOGCONFIG(TAG, "DFPlayer:");
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this->check_uart_settings(9600);
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}
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} // namespace dfplayer
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} // namespace esphome
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