application: allows BT audio pairing, play random songs depending on time
This commit is contained in:
parent
f72e790a95
commit
804ba7628b
205
application.c
205
application.c
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@ -72,7 +72,9 @@ static volatile bool mp3_rx_flag = false; /**< if data has been received from th
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static volatile bool door_flag = false; /**< set when the door lock switch changes */
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static volatile bool door_flag = false; /**< set when the door lock switch changes */
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/** @} */
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/** @} */
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/** switch in the door to verify if its locked (closed when locked) */
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/** switch in the door to verify if its locked (closed when locked)
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* @note use external pull-up resistor (10k to 5V) since the internal pull up does not cope for the long cable
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*/
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#define DOOR_PIN PB8
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#define DOOR_PIN PB8
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/** USART port used to communicate with catalex MP3 player */
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/** USART port used to communicate with catalex MP3 player */
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@ -82,6 +84,24 @@ static volatile uint8_t mp3_rx_data[10];
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/** number of byte received from MP3 player */
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/** number of byte received from MP3 player */
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static volatile uint8_t mp3_rx_len;
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static volatile uint8_t mp3_rx_len;
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/** pin to simulate button press (go high) to switch on/off Bluetooth audio transmitter
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* - 2s press: on/off
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* - 5s press when off: pair
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*/
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#define BTAUDIO_BUTTON_PIN PA0
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/** status output (e.g. LED) of Bluetooth audio transmitter
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* - off: off
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* - fast flash (periodic blink every 0.3s): pairing
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* - slow flash (double blink every 5.3s): unconnected
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* - very slow flash (single blink every 10s): connected
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*/
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#define BTAUDIO_STATUS_PIN PA1
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/** time (in ms) to press on the button to switch Bluetooth audio transmitter */
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#define BTAUDIO_ON 3500
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/** number of timer led Bluetooth audio transmitter blinked, to determine the status */
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static uint8_t btaudio_status = 0;
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/** catalex MP3 player commands */
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/** catalex MP3 player commands */
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enum mp3_commands_t {
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enum mp3_commands_t {
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MP3_CMD_NEXT_SONG = 0x01,
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MP3_CMD_NEXT_SONG = 0x01,
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@ -110,6 +130,15 @@ enum mp3_commands_t {
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MP3_CMD_QUERY_FLDR_COUNT = 0x4f,
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MP3_CMD_QUERY_FLDR_COUNT = 0x4f,
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};
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};
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/** number of possible music tracks */
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#define MUSIC_TRACKS 19
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/** if a music track has been played */
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static bool music_played = false;
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/** number of possible talk tracks */
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#define TALK_TRACKS 27
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/** if a talk track has been played */
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static bool talk_played = false;
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size_t putc(char c)
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size_t putc(char c)
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{
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{
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size_t length = 0; // number of characters printed
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size_t length = 0; // number of characters printed
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@ -190,6 +219,8 @@ static bool mp3_response(void)
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if (0xef != mp3_rx_data[3 + mp3_rx_data[2]]) { // end by is not correct
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if (0xef != mp3_rx_data[3 + mp3_rx_data[2]]) { // end by is not correct
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return false;
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return false;
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}
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}
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puts("MP3 response: ");
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/*
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/*
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// display message
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// display message
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puts("> ");
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puts("> ");
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@ -198,6 +229,7 @@ static bool mp3_response(void)
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}
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}
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putc('\n');
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putc('\n');
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*/
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*/
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// check checksum
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// check checksum
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int16_t checksum = 0;
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int16_t checksum = 0;
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for (uint8_t i = 1; i < mp3_rx_len && i < mp3_rx_data[2] + 1U; i++) {
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for (uint8_t i = 1; i < mp3_rx_len && i < mp3_rx_data[2] + 1U; i++) {
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@ -251,6 +283,24 @@ static void mp3_command(enum mp3_commands_t cmd, uint16_t data)
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case MP3_CMD_NEXT_SONG:
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case MP3_CMD_NEXT_SONG:
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puts("next");
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puts("next");
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break;
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break;
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case MP3_CMD_STOP_PLAY:
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puts("stop");
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break;
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case MP3_CMD_PLAY_FOLDER_FILE:
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puts("playing ");
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const uint8_t folder = data >> 8;
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const uint8_t track = data & 0xff;
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printf("%02u/%03u", folder, track);
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if (0 == folder) {
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puts(" (invalid input folder 0)");
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}
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if (0 == track) {
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puts(" (invalid input track 0");
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}
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break;
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case MP3_CMD_SET_VOLUME:
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printf("set volume to %u", data);
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break;
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case MP3_CMD_RESET:
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case MP3_CMD_RESET:
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puts("reset");
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puts("reset");
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break;
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break;
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@ -258,7 +308,7 @@ static void mp3_command(enum mp3_commands_t cmd, uint16_t data)
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printf("%+02x");
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printf("%+02x");
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break;
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break;
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}
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}
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putc(' ');
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putc('\n');
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uint8_t command[] = {0x7e, 0xff, 0x06, cmd, 0x01, data >> 8, data, 0xef}; // command template (with feedback)
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uint8_t command[] = {0x7e, 0xff, 0x06, cmd, 0x01, data >> 8, data, 0xef}; // command template (with feedback)
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for (uint8_t i = 0; i < LENGTH(command); i++) {
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for (uint8_t i = 0; i < LENGTH(command); i++) {
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@ -271,31 +321,34 @@ static void mp3_command(enum mp3_commands_t cmd, uint16_t data)
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*/
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*/
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static void command_play(void* argument)
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static void command_play(void* argument)
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{
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{
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(void)argument; // argument not used
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if (NULL == argument) {
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puts("sending play command\n");
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puts("playing first track\n");
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mp3_command(MP3_CMD_PLAY, 0);
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mp3_command(MP3_CMD_PLAY, 1); // play first song
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}
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/** open/close door
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* @param[in] argument no argument required
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*/
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static void command_door(void* argument)
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{
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(void)argument; // argument not used
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if (0 == timer_door_closed) {
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puts("closing door\n");
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timer_door_closed = rtc_get_counter_val();
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led_tm1637_time(0, 0);
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led_tm1637_on();
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mp3_command(MP3_CMD_PLAY, 0);
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} else {
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} else {
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puts("opening door\n");
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const uint32_t track = *(uint32_t*)argument; // argument not used
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timer_door_closed = 0;
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printf("playing track %u\n", track);
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led_tm1637_off();
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mp3_command(MP3_CMD_PLAY_FOLDER_FILE, ((track / 100) << 8) + (track % 100)); // play specific track
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mp3_command(MP3_CMD_STOP_PLAY, 0); // stop playing
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}
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}
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}
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}
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/** put Bluetooth audi transmitter into pairing mode
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* @param[in] argument no argument required
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*/
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static void command_pair(void* argument)
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{
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(void)argument; // argument not used
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// we assume the transmitter is on
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puts("switching BT audio off\n");
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gpio_set(GPIO_PORT(BTAUDIO_BUTTON_PIN), GPIO_PIN(BTAUDIO_BUTTON_PIN)); // press button to switch off
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sleep_ms(BTAUDIO_ON); // keep pressed
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gpio_clear(GPIO_PORT(BTAUDIO_BUTTON_PIN), GPIO_PIN(BTAUDIO_BUTTON_PIN)); // release button
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puts("putting BT audio into pairing mode\n");
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sleep_ms(1000); // wait a bit
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gpio_set(GPIO_PORT(BTAUDIO_BUTTON_PIN), GPIO_PIN(BTAUDIO_BUTTON_PIN)); // press button to put into pairing mode
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sleep_ms(6000); // keep pressed
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gpio_clear(GPIO_PORT(BTAUDIO_BUTTON_PIN), GPIO_PIN(BTAUDIO_BUTTON_PIN)); // release button
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puts("BT transmitter should be looking for speaker\n");
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}
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/** list of all supported commands */
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/** list of all supported commands */
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static const struct menu_command_t menu_commands[] = {
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static const struct menu_command_t menu_commands[] = {
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@ -353,17 +406,17 @@ static const struct menu_command_t menu_commands[] = {
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.shortcut = 'p',
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.shortcut = 'p',
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.name = "play",
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.name = "play",
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.command_description = "play MP3 song",
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.command_description = "play MP3 song",
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.argument = MENU_ARGUMENT_NONE,
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.argument = MENU_ARGUMENT_UNSIGNED,
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.argument_description = NULL,
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.argument_description = "track folder+number fftt",
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.command_handler = &command_play,
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.command_handler = &command_play,
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},
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},
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{
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{
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.shortcut = 'd',
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.shortcut = 'a',
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.name = "door",
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.name = "audio",
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.command_description = "open/close door",
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.command_description = "put BT audio transmitter into pairing mode",
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.argument = MENU_ARGUMENT_NONE,
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.argument = MENU_ARGUMENT_NONE,
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.argument_description = NULL,
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.argument_description = NULL,
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.command_handler = &command_door,
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.command_handler = &command_pair,
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},
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},
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};
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};
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@ -503,7 +556,7 @@ void main(void)
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uart_setup(); // setup USART (for printing)
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uart_setup(); // setup USART (for printing)
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#endif
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#endif
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usb_cdcacm_setup(); // setup USB CDC ACM (for printing)
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usb_cdcacm_setup(); // setup USB CDC ACM (for printing)
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puts("\nwelcome to the CuVoodoo STM32F1 example application\n"); // print welcome message
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puts("\nwelcome to the CuVoodoo Dachboden Klo-Assistant\n"); // print welcome message
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#if DEBUG
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#if DEBUG
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// show reset cause
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// show reset cause
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@ -558,17 +611,32 @@ void main(void)
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puts("setup TM1637 7-segment display: ");
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puts("setup TM1637 7-segment display: ");
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bool led_tm1637_setup_ok = true;
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bool led_tm1637_setup_ok = true;
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led_tm1637_setup();
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led_tm1637_setup(true);
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led_tm1637_setup_ok &= led_tm1637_brightness(LED_TM1637_14DIV16); // set maximum brightess
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led_tm1637_setup_ok &= led_tm1637_brightness(LED_TM1637_14DIV16); // set maximum brightness
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led_tm1637_setup_ok &= led_tm1637_time(88, 88); // light up all segments
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led_tm1637_setup_ok &= led_tm1637_time(88, 88); // light up all segments
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led_tm1637_setup_ok &= led_tm1637_on(); // switch on to test it
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led_tm1637_setup_ok &= led_tm1637_on(); // switch on to test it
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sleep_ms(1000); // let used check display
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led_tm1637_setup_ok &= led_tm1637_off(); // switch off and let main loop handle it
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if (led_tm1637_setup_ok) {
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if (led_tm1637_setup_ok) {
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puts("OK\n");
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puts("OK\n");
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} else {
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} else {
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puts("error\n");
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puts("error\n");
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}
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}
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puts("setup Bluetooth audio: ");
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rcc_periph_clock_enable(GPIO_RCC(BTAUDIO_BUTTON_PIN)); // enable clock for button
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gpio_clear(GPIO_PORT(BTAUDIO_BUTTON_PIN), GPIO_PIN(BTAUDIO_BUTTON_PIN)); // set as unpressed
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gpio_set_mode(GPIO_PORT(BTAUDIO_BUTTON_PIN), GPIO_MODE_OUTPUT_2_MHZ, GPIO_CNF_OUTPUT_PUSHPULL, GPIO_PIN(BTAUDIO_BUTTON_PIN)); // set button pin as output
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gpio_set(GPIO_PORT(BTAUDIO_BUTTON_PIN), GPIO_PIN(BTAUDIO_BUTTON_PIN)); // press button to switch on
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sleep_ms(BTAUDIO_ON); // keep pressed
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gpio_clear(GPIO_PORT(BTAUDIO_BUTTON_PIN), GPIO_PIN(BTAUDIO_BUTTON_PIN)); // release button
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rcc_periph_clock_enable(GPIO_RCC(BTAUDIO_STATUS_PIN)); // enable clock for GPIO peripheral to read status input
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gpio_set_mode(GPIO_PORT(BTAUDIO_STATUS_PIN), GPIO_MODE_INPUT, GPIO_CNF_INPUT_FLOAT, GPIO_PIN(BTAUDIO_STATUS_PIN)); // set status pin as input
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exti_set_trigger(GPIO_EXTI(BTAUDIO_STATUS_PIN), EXTI_TRIGGER_FALLING); // trigger when LED goes on
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exti_enable_request(GPIO_EXTI(BTAUDIO_STATUS_PIN)); // enable external interrupt
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nvic_enable_irq(GPIO_NVIC_EXTI_IRQ(BTAUDIO_STATUS_PIN)); // enable interrupt
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btaudio_status = 0; // number of LED blinks received, to determine the BT audio state
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puts("OK\n");
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led_tm1637_setup_ok &= led_tm1637_off(); // switch off and let main loop handle it
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// setup LEDs
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// setup LEDs
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puts("setup SK6812RGBW LEDs: ");
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puts("setup SK6812RGBW LEDs: ");
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@ -602,10 +670,14 @@ void main(void)
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usart_enable(USART(MP3_UART)); // enable UART
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usart_enable(USART(MP3_UART)); // enable UART
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puts("OK\n");
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puts("OK\n");
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mp3_command(MP3_CMD_RESET, 0); // reset all settings
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mp3_command(MP3_CMD_RESET, 0); // reset all settings
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sleep_ms(500);
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mp3_command(MP3_CMD_SEL_DEV, 2); // set volume lower (BT audio transmitter saturates)
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sleep_ms(500);
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mp3_command(MP3_CMD_SET_VOLUME, 15); // set volume lower (BT audio transmitter saturates)
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puts("setup door lock switch: ");
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puts("setup door lock switch: ");
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rcc_periph_clock_enable(GPIO_RCC(DOOR_PIN)); // enable clock for button
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rcc_periph_clock_enable(GPIO_RCC(DOOR_PIN)); // enable clock for button
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gpio_set_mode(GPIO_PORT(DOOR_PIN), GPIO_MODE_INPUT, GPIO_CNF_INPUT_PULL_UPDOWN, GPIO_PIN(DOOR_PIN)); // set button pin to input
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gpio_set_mode(GPIO_PORT(DOOR_PIN), GPIO_MODE_INPUT, GPIO_CNF_INPUT_FLOAT, GPIO_PIN(DOOR_PIN)); // set button pin to input
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rcc_periph_clock_enable(RCC_AFIO); // enable alternate function clock for external interrupt
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rcc_periph_clock_enable(RCC_AFIO); // enable alternate function clock for external interrupt
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exti_select_source(GPIO_EXTI(DOOR_PIN), GPIO_PORT(DOOR_PIN)); // mask external interrupt of this pin only for this port
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exti_select_source(GPIO_EXTI(DOOR_PIN), GPIO_PORT(DOOR_PIN)); // mask external interrupt of this pin only for this port
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gpio_set(GPIO_PORT(DOOR_PIN), GPIO_PIN(DOOR_PIN)); // pull up to be able to detect button push (go low)
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gpio_set(GPIO_PORT(DOOR_PIN), GPIO_PIN(DOOR_PIN)); // pull up to be able to detect button push (go low)
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// start main loop
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// start main loop
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bool action = false; // if an action has been performed don't go to sleep
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bool action = false; // if an action has been performed don't go to sleep
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button_flag = false; // reset button flag
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while (true) { // infinite loop
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while (true) { // infinite loop
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iwdg_reset(); // kick the dog
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iwdg_reset(); // kick the dog
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if (user_input_available) { // user input is available
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if (user_input_available) { // user input is available
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if (0 == (rtc_get_counter_val() % RTC_TICKS_SECOND)) { // one second has passed
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if (0 == (rtc_get_counter_val() % RTC_TICKS_SECOND)) { // one second has passed
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led_toggle(); // toggle LED (good to indicate if main function is stuck)
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led_toggle(); // toggle LED (good to indicate if main function is stuck)
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}
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}
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if (timer_door_closed && 0 == ((rtc_get_counter_val() - timer_door_closed) % RTC_TICKS_SECOND)) { // on second has passed since since door closed
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if (0 == (rtc_get_counter_val() % (RTC_TICKS_SECOND * 11))) { // 11 seconds have passed, time to check BT audio state
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uint16_t time_passed = (rtc_get_counter_val() - timer_door_closed) / RTC_TICKS_SECOND; // in seconds
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if (0 == btaudio_status) {
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led_tm1637_time(time_passed / 60, time_passed % 60);
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puts("BT audio off, switching on\n");
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if (time_passed && 0 == (time_passed % 5)) {
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gpio_set(GPIO_PORT(BTAUDIO_BUTTON_PIN), GPIO_PIN(BTAUDIO_BUTTON_PIN)); // press button to switch on
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mp3_command(MP3_CMD_NEXT_SONG, 0);
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sleep_ms(BTAUDIO_ON); // keep pressed
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gpio_clear(GPIO_PORT(BTAUDIO_BUTTON_PIN), GPIO_PIN(BTAUDIO_BUTTON_PIN)); // release button
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} else if (btaudio_status <= 2) {
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puts("BT audio connected\n");
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} else if (btaudio_status <= 6) {
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puts("BT audio disconnected\n");
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} else {
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puts("BT audio searching\n");
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}
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btaudio_status = 0; // reset counter
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}
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if (timer_door_closed && 0 == ((rtc_get_counter_val() - timer_door_closed) % (RTC_TICKS_SECOND / 4))) { // 1/4 second has passed since since door closed
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const uint16_t time_passed = (rtc_get_counter_val() - timer_door_closed) / RTC_TICKS_SECOND; // how many seconds have passed since door has been closed
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led_tm1637_time(time_passed / 60, time_passed % 60); // show time passed
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if (!music_played && time_passed > 10) { // start playing song after the welcome message has been played
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mp3_command(MP3_CMD_PLAY_FOLDER_FILE, (2 << 8) + (rtc_get_counter_val() % MUSIC_TRACKS) + 1); // play random music track
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music_played = true; // remember we have played the music
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}
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if (!talk_played && time_passed >= 3 * 60) { // start playing talk track after 3 minutes
|
||||||
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mp3_command(MP3_CMD_PLAY_FOLDER_FILE, (3 << 8) + (rtc_get_counter_val() % TALK_TRACKS) + 1); // play random talk track
|
||||||
|
talk_played = true; // remember we played the talk track
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
@ -649,18 +740,20 @@ void main(void)
|
||||||
const bool closed = (0 == gpio_get(GPIO_PORT(DOOR_PIN), GPIO_PIN(DOOR_PIN))); // get door lock state
|
const bool closed = (0 == gpio_get(GPIO_PORT(DOOR_PIN), GPIO_PIN(DOOR_PIN))); // get door lock state
|
||||||
door_flag = false; // clear flag
|
door_flag = false; // clear flag
|
||||||
action = true; // action has been performed
|
action = true; // action has been performed
|
||||||
if (closed && 0 == timer_door_closed) {
|
if (closed && 0 == timer_door_closed) { // door has been closed
|
||||||
puts("door closed\n");
|
puts("door closed\n");
|
||||||
timer_door_closed = rtc_get_counter_val();
|
timer_door_closed = rtc_get_counter_val(); // remember when the door has been closed
|
||||||
leds_sign(true);
|
music_played = false; // the music has not been played yet
|
||||||
led_tm1637_time(0, 0);
|
talk_played = false; // the talk has not been played
|
||||||
led_tm1637_on();
|
leds_sign(true); // show on the sign that the toilet is occupied
|
||||||
mp3_command(MP3_CMD_PLAY, 0);
|
led_tm1637_time(0, 0); // start showing time on display
|
||||||
} else if (!closed && timer_door_closed) {
|
led_tm1637_on(); // ensure the display is on
|
||||||
puts("door opned\n");
|
mp3_command(MP3_CMD_PLAY_FOLDER_FILE, (1 << 8) + 1); // play welcome track
|
||||||
timer_door_closed = 0;
|
} else if (!closed && timer_door_closed) { // door has been opened
|
||||||
leds_sign(false);
|
puts("door opened\n");
|
||||||
led_tm1637_off();
|
timer_door_closed = 0; // remember door is now open
|
||||||
|
leds_sign(false); // show on sign the toilet is free
|
||||||
|
led_tm1637_off(); // stop showing time
|
||||||
mp3_command(MP3_CMD_STOP_PLAY, 0); // stop playing
|
mp3_command(MP3_CMD_STOP_PLAY, 0); // stop playing
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
@ -697,8 +790,16 @@ void USART_ISR(MP3_UART)(void)
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/** door has been opened/closed */
|
||||||
void GPIO_EXTI_ISR(DOOR_PIN)(void)
|
void GPIO_EXTI_ISR(DOOR_PIN)(void)
|
||||||
{
|
{
|
||||||
exti_reset_request(GPIO_EXTI(DOOR_PIN)); // reset interrupt/clear flag
|
exti_reset_request(GPIO_EXTI(DOOR_PIN)); // reset interrupt/clear flag
|
||||||
door_flag = true; // notify main loop
|
door_flag = true; // notify main loop
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/** Bluetooth audio transmitter switched on LED */
|
||||||
|
void GPIO_EXTI_ISR(BTAUDIO_STATUS_PIN)(void)
|
||||||
|
{
|
||||||
|
exti_reset_request(GPIO_EXTI(BTAUDIO_STATUS_PIN)); // reset interrupt/clear flag
|
||||||
|
btaudio_status++; // count for main loop
|
||||||
|
}
|
||||||
|
|
Loading…
Reference in New Issue