mirror of https://github.com/arendst/Tasmota.git
118 lines
3.5 KiB
C++
118 lines
3.5 KiB
C++
/*
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xdrv_91_mp3.ino - MP3 Player support for Sonoff-Tasmota
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Player type: RB-DFR-562, DFPlayer Mini MP3 Player
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Copyright (C) 2018 Theo Arends
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifdef USE_MP3_PLAYER
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#include <TasmotaSerial.h>
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TasmotaSerial *MP3Player;
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#define D_CMND_MP3 "MP3"
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const char S_JSON_MP3_COMMAND_NVALUE[] PROGMEM = "{\"" D_CMND_MP3 "%s\":%d}";
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const char S_JSON_MP3_COMMAND[] PROGMEM = "{\"" D_CMND_MP3 "%s\"}";
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enum MP3_Commands { CMND_MP3_PLAY, CMND_MP3_STOP, CMND_MP3_VOLUME};
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const char kMP3_Commands[] PROGMEM = "Play" "|" "Stop" "|" "Volume";
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#define MP3_CMD_PLAY 3
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#define MP3_CMD_VOLUME 6
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#define MP3_CMD_STOP 0x0e
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uint16_t MP3_Checksum(uint8_t *array)
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{
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uint16_t checksum = 0;
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for (uint8_t i = 0; i < 6; i++) {
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checksum += array[i];
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}
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checksum = checksum^0xffff;
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return checksum+1;
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}
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// init player define serial tx port
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void InitMP3Player() {
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MP3Player = new TasmotaSerial(-1, pin[GPIO_MP3PLAYER]);
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if (MP3Player->begin(9600)) {
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//serial_bridge_active = 1;
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MP3Player->flush();
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}
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}
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void MP3_CMD(uint8_t mp3cmd,uint16_t val) {
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uint8_t cmd[10] = {0x7e,0xff,6,0,0,0,0,0,0,0xef};
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cmd[3] = mp3cmd;
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cmd[5] = val>>8;
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cmd[6] = val;
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uint16_t chks = MP3_Checksum(&cmd[1]); // calculate out
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cmd[7] = chks>>8;
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cmd[8] = chks;
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MP3Player->write(cmd, sizeof(cmd));
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}
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boolean MP3PlayerCmd() {
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char command[CMDSZ];
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boolean serviced = true;
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uint8_t disp_len = strlen(D_CMND_MP3);
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if (!strncasecmp_P(XdrvMailbox.topic, PSTR(D_CMND_MP3), disp_len)) { // Prefix
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int command_code = GetCommandCode(command, sizeof(command), XdrvMailbox.topic + disp_len, kMP3_Commands);
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if (CMND_MP3_PLAY == command_code) {
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if (XdrvMailbox.data_len > 0) { // play
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MP3_CMD(MP3_CMD_PLAY, XdrvMailbox.payload);
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}
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snprintf_P(mqtt_data, sizeof(mqtt_data), S_JSON_MP3_COMMAND_NVALUE, command, XdrvMailbox.payload);
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}
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else if (CMND_MP3_VOLUME == command_code) {
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if (XdrvMailbox.data_len > 0) { // set volume
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MP3_CMD(MP3_CMD_VOLUME, XdrvMailbox.payload * 30 / 100);
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}
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snprintf_P(mqtt_data, sizeof(mqtt_data), S_JSON_MP3_COMMAND_NVALUE, command, XdrvMailbox.payload);
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}
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else if (CMND_MP3_STOP == command_code) { // stop
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MP3_CMD(MP3_CMD_STOP, 0);
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snprintf_P(mqtt_data, sizeof(mqtt_data), S_JSON_MP3_COMMAND, command, XdrvMailbox.payload);
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} else {
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serviced = false; // Unknown command
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}
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}
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return serviced;
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}
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/*********************************************************************************************\
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* Interface
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\*********************************************************************************************/
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#define XDRV_91
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boolean Xdrv91(byte function)
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{
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boolean result = false;
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switch (function) {
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case FUNC_PRE_INIT:
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InitMP3Player();
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break;
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case FUNC_COMMAND:
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result = MP3PlayerCmd();
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break;
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}
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return result;
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}
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#endif // USE_MP3_PLAYER
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