MarinoDev/blk_box_tc
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WE HAVE A GOOD SPEAKER DRIVER!!!!

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This commit is contained in:
Mitchell Marino 2025-03-26 03:47:06 -05:00
parent 62b82eba2b
commit cc8dcfacb3
12 changed files with 190 additions and 266 deletions
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2
main/drivers/sd.h
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@ -8,7 +8,7 @@
#include "sdmmc_cmd.h"
#include "driver/sdmmc_host.h"
#define MOUNT_POINT "/sdcard"
#define MOUNT_POINT "/sd"
extern sdmmc_card_t *card;

346
main/drivers/speaker.cpp
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@ -2,6 +2,8 @@
static const char *TAG = "speaker";
static size_t audio_block_size = 4096;
typedef struct {
/// The path to the file being played.
char* file_name;
@ -13,59 +15,119 @@ typedef struct {
bool repeat;
} playing_audio_clip_t;
// It's hard to get the tx_chan's internal state, so instead, we keep track of it here.
bool channel_enabled = false;
i2s_chan_handle_t tx_chan;
/// A queue of owned `char*` to be stopped from playing.
///
/// the speaker driver system will free the given char* when it is done with it.
QueueHandle_t stop_clip_queue;
/// A queue of `audio_clip_t`s to be played once there is nothing being played
QueueHandle_t sequential_clip_queue;
QueueHandle_t play_clip_queue;
/// The clips that are currently playing
std::vector<playing_audio_clip_t> playing_clips;
static void speaker_task(void* arg) {
audio_clip_t next_clip;
playing_audio_clip_t playing_next_clip;
int16_t* audio_buf = (int16_t*) malloc(AUDIO_BLOCK_SIZE * sizeof(int16_t));
int16_t* file_buf = (int16_t*) malloc(AUDIO_BLOCK_SIZE * sizeof(int16_t));
// wait for a clip request.
while (!xQueueReceive(sequential_clip_queue, &next_clip, portMAX_DELAY));
ESP_LOGI(TAG, "opening %s", next_clip.file_name);
FILE* fh = fopen(next_clip.file_name, "rb");
if (fh != NULL) {
ESP_LOGI(TAG, "fh was not null!");
static bool push_clip(audio_clip_t clip) {
ESP_LOGD(TAG, "playing %s", clip.file_name);
FILE* fh = fopen(clip.file_name, "rb");
if (fh == NULL) {
ESP_LOGW(TAG, "failed to open %s", clip.file_name);
return false;
} else {
// skip the .wav header
fseek(fh, 44, SEEK_SET);
playing_next_clip = {
.file_name = next_clip.file_name,
playing_audio_clip_t playing_clip = {
.file_name = clip.file_name,
.file_handle = fh,
.prescaler = next_clip.prescaler,
.repeat = next_clip.repeat,
.prescaler = clip.prescaler,
.repeat = clip.repeat,
};
playing_clips.push_back(playing_next_clip);
} else {
ESP_LOGI(TAG, "null :(");
playing_clips.push_back(playing_clip);
return true;
}
}
i2s_channel_enable(tx_chan);
while (1) {
std::memset(audio_buf, 0, AUDIO_BLOCK_SIZE * sizeof(int16_t));
/// @brief Disables the channel if neccesary.
static void disable_channel() {
if (channel_enabled) {
ESP_ERROR_CHECK_WITHOUT_ABORT(i2s_channel_disable(tx_chan));
channel_enabled = false;
}
}
/// @brief Enables the channel if neccesary
static void enable_channel() {
if (!channel_enabled) {
ESP_ERROR_CHECK_WITHOUT_ABORT(i2s_channel_enable(tx_chan));
channel_enabled = true;
}
}
ESP_LOGI(TAG, "size: %d", playing_clips.size());
static void speaker_task(void* arg) {
audio_clip_t next_clip;
char* clip_to_stop;
int16_t* audio_buf = (int16_t*) malloc(audio_block_size * sizeof(int16_t));
int16_t* file_buf = (int16_t*) malloc(audio_block_size * sizeof(int16_t));
while (1) {
// first, take all "play immediatly" clips from the queue.
while (xQueuePeek(play_clip_queue, &next_clip, 0) == pdTRUE && next_clip.play_immediatly) {
if (xQueueReceive(play_clip_queue, &next_clip, 0) == pdTRUE) {
push_clip(next_clip);
}
}
// handle any stop requests
while (xQueueReceive(stop_clip_queue, &clip_to_stop, 0) == pdTRUE) {
// delete clip from list
bool found = false;
for (int clip_idx = playing_clips.size()-1; clip_idx >= 0; clip_idx--) {
ESP_LOGI(TAG, "i: %d", clip_idx);
playing_audio_clip_t& clip = playing_clips.at(clip_idx);
ESP_LOGI(TAG, "r %d", (size_t) clip.file_handle);
// ESP_LOGI(TAG, "reading from %s", clip.file_name);
size_t samples_read = fread(file_buf, sizeof(uint16_t), AUDIO_BLOCK_SIZE, clip.file_handle);
ESP_LOGI(TAG, "read! %d", samples_read);
if (strcmp(clip.file_name, clip_to_stop) == 0) {
found = true;
ESP_LOGV(TAG, "stopping %s", clip.file_name);
fclose(clip.file_handle);
free(clip.file_name);
playing_clips.erase(playing_clips.begin() + clip_idx);
}
}
if (!found) {
ESP_LOGW(TAG, "Could not find clip \"%s\" to stop", clip_to_stop);
}
// free the string that was passed into the queue
free(clip_to_stop);
}
// if we aren't playing any clips, wait for the next one.
if (playing_clips.empty()) {
if (xQueueReceive(play_clip_queue, &next_clip, 0) == pdTRUE) {
push_clip(next_clip);
} else {
// we must wait before our next clip
disable_channel();
// now wait for next clip
if (xQueueReceive(play_clip_queue, &next_clip, portMAX_DELAY) == pdTRUE) {
push_clip(next_clip);
}
}
}
// send 1 block
std::memset(audio_buf, 0, audio_block_size * sizeof(int16_t));
for (int clip_idx = playing_clips.size()-1; clip_idx >= 0; clip_idx--) {
playing_audio_clip_t& clip = playing_clips.at(clip_idx);
size_t samples_read = fread(file_buf, sizeof(uint16_t), audio_block_size, clip.file_handle);
if (samples_read == 0) {
if (clip.repeat) {
ESP_LOGI(TAG, "repeating...");
fseek(fh, 44, SEEK_SET);
ESP_LOGV(TAG, "repeating %s", clip.file_name);
fseek(clip.file_handle, 44, SEEK_SET);
} else {
ESP_LOGI(TAG, "deleting...");
ESP_LOGV(TAG, "finishing %s", clip.file_name);
fclose(clip.file_handle);
free(clip.file_name);
playing_clips.erase(playing_clips.begin() + clip_idx);
@ -78,166 +140,48 @@ static void speaker_task(void* arg) {
}
}
size_t bytes_to_write = audio_block_size * sizeof(int16_t);
size_t bytes_written;
i2s_channel_write(tx_chan, audio_buf, AUDIO_BLOCK_SIZE * sizeof(int16_t), &bytes_written, portMAX_DELAY);
if (!channel_enabled) {
ESP_ERROR_CHECK_WITHOUT_ABORT(i2s_channel_preload_data(tx_chan, audio_buf, bytes_to_write, &bytes_written));
enable_channel();
} else {
ESP_ERROR_CHECK_WITHOUT_ABORT(i2s_channel_write(tx_chan, audio_buf, bytes_to_write, &bytes_written, portMAX_DELAY));
}
if (bytes_written != bytes_to_write) {
ESP_LOGW(TAG, "only %d bytes written to the i2s channel! (expected %d)", bytes_written, bytes_to_write);
}
}
// xQueuePeek(sequential_clip_queue, &next_clip, 0);
// QueueHandle_t stop_music = xQueueCreate(2, sizeof (uint8_t));
// if (stop_music == 0) {
// ESP_LOGW(TAG, "Could not create stop_music queue!");
// vTaskDelete(NULL);
// }
// while (playing_music) {
// play_raw_stop_queue(MOUNT_POINT "/tetris.pcm", stop_music);
// }
vTaskDelete(NULL);
}
esp_err_t play_raw_stop_queue(const char *fp, QueueHandle_t stop_handle) {
FILE *fh = fopen(fp, "rb");
if (fh == NULL) {
ESP_LOGE(TAG, "Failed to open file");
return ESP_ERR_INVALID_ARG;
bool play_clip_wav(const char* file_name, bool play_immediatly, bool repeat, uint8_t prescaler, TickType_t ticks_to_wait) {
// clone the passed in string to the heap.
size_t len = strlen(file_name);
char* dynamic_file_name = (char*) malloc(len+1);
strcpy(dynamic_file_name, file_name);
audio_clip_t clip = {
.file_name = dynamic_file_name,
.prescaler = prescaler,
.repeat = repeat,
.play_immediatly = play_immediatly,
};
if (play_immediatly) {
return xQueueSendToFront(play_clip_queue, &clip, ticks_to_wait) == pdTRUE;
}
return xQueueSend(play_clip_queue, &clip, ticks_to_wait) == pdTRUE;
}
bool stop_clip(const char* file_name, TickType_t ticks_to_wait) {
// clone the passed in string to the heap.
size_t len = strlen(file_name);
char* dynamic_file_name = (char*) malloc(len+1);
strcpy(dynamic_file_name, file_name);
// create a writer buffer
uint8_t *read_buf = (uint8_t*) calloc(AUDIO_BLOCK_SIZE, sizeof(uint8_t));
uint16_t *write_buf = (uint16_t*) calloc(AUDIO_BLOCK_SIZE, sizeof(uint16_t));
size_t bytes_read = 0;
size_t bytes_written = 0;
esp_err_t channel_enable_result = i2s_channel_enable(tx_chan);
ESP_ERROR_CHECK_WITHOUT_ABORT(channel_enable_result);
if (channel_enable_result != ESP_OK) {
return channel_enable_result;
}
bytes_read = fread(read_buf, sizeof(uint8_t), AUDIO_BLOCK_SIZE, fh);
for (int i = 0; i < bytes_read; i++) {
write_buf[i] = read_buf[i] << 4;
}
// i2s_channel_enable(tx_handle);
while (bytes_read > 0) {
// write the buffer to the i2s
// ESP_LOGI(TAG, "Writing: ");
// for (int i = 0; i < words_read; i++) {
// int16_t val = buf[i];
// printf("%s0x%04X ", (val < 0 ? "-" : "+"), (val < 0 ? -val : val));
// }>
i2s_channel_write(tx_chan, write_buf, bytes_read * sizeof(int16_t), &bytes_written, portMAX_DELAY);
bytes_read = fread(read_buf, sizeof(uint8_t), AUDIO_BLOCK_SIZE, fh);
for (int i = 0; i < bytes_read; i++) {
write_buf[i] = read_buf[i] << 4;
}
uint8_t recv = 0;
if (xQueueReceive(stop_handle, &recv, 0)) {
break;
}
vTaskDelay(pdMS_TO_TICKS(10));
}
i2s_channel_disable(tx_chan);
free(read_buf);
free(write_buf);
fclose(fh);
return ESP_OK;
}
esp_err_t play_wav(const char *fp) {
FILE *fh = fopen(fp, "rb");
if (fh == NULL) {
ESP_LOGE(TAG, "Failed to open file");
return ESP_ERR_INVALID_ARG;
}
// skip the header...
fseek(fh, 44, SEEK_SET);
int16_t *buf = (int16_t*) calloc(AUDIO_BLOCK_SIZE, sizeof(int16_t));
size_t bytes_read = 0;
size_t bytes_written = 0;
bytes_read = fread(buf, sizeof(int16_t), AUDIO_BLOCK_SIZE, fh);
for (int i = 0; i < bytes_read; i++) {
buf[i] = buf[i] >> 2;
}
i2s_channel_preload_data(tx_chan, buf, bytes_read * sizeof(int16_t), &bytes_written);
i2s_channel_enable(tx_chan);
while (bytes_read > 0)
{
bytes_read = fread(buf, sizeof(int16_t), AUDIO_BLOCK_SIZE, fh);
for (int i = 0; i < bytes_read; i++) {
buf[i] = buf[i] >> 2;
}
// write the buffer to the i2s
i2s_channel_write(tx_chan, buf, bytes_read * sizeof(int16_t), &bytes_written, portMAX_DELAY);
// ESP_LOGI(TAG, "Bytes read: %d", bytes_read);
}
i2s_channel_disable(tx_chan);
free(buf);
return ESP_OK;
}
esp_err_t play_raw(const char *fp) {
FILE *fh = fopen(fp, "rb");
if (fh == NULL) {
ESP_LOGE(TAG, "Failed to open file");
return ESP_ERR_INVALID_ARG;
}
// create a writer buffer
uint8_t *read_buf = (uint8_t*) calloc(AUDIO_BLOCK_SIZE, sizeof(uint8_t));
uint16_t *write_buf = (uint16_t*) calloc(AUDIO_BLOCK_SIZE, sizeof(uint16_t));
size_t bytes_read = 0;
size_t bytes_written = 0;
bytes_read = fread(read_buf, sizeof(uint8_t), AUDIO_BLOCK_SIZE, fh);
for (int i = 0; i < bytes_read; i++) {
write_buf[i] = read_buf[i] << 4;
}
i2s_channel_preload_data(tx_chan, write_buf, bytes_read * sizeof(int16_t), &bytes_written);
esp_err_t channel_enable_result = i2s_channel_enable(tx_chan);
ESP_ERROR_CHECK_WITHOUT_ABORT(channel_enable_result);
if (channel_enable_result != ESP_OK) {
return channel_enable_result;
}
while (bytes_read > 0) {
// write the buffer to the i2s
// ESP_LOGI(TAG, "Writing: ");
// for (int i = 0; i < words_read; i++) {
// int16_t val = buf[i];
// printf("%s0x%04X ", (val < 0 ? "-" : "+"), (val < 0 ? -val : val));
// }>
bytes_read = fread(read_buf, sizeof(uint8_t), AUDIO_BLOCK_SIZE, fh);
for (int i = 0; i < bytes_read; i++) {
write_buf[i] = read_buf[i] << 4;
}
vTaskDelay(pdMS_TO_TICKS(10));
i2s_channel_write(tx_chan, write_buf, bytes_read * sizeof(int16_t), &bytes_written, portMAX_DELAY);
}
i2s_channel_disable(tx_chan);
free(read_buf);
free(write_buf);
fclose(fh);
return ESP_OK;
return xQueueSend(play_clip_queue, &dynamic_file_name, ticks_to_wait) == pdTRUE;
}
void init_speaker(void) {
@ -264,32 +208,20 @@ void init_speaker(void) {
};
ESP_ERROR_CHECK(i2s_channel_init_std_mode(tx_chan, &tx_std_cfg));
// init queues and list
sequential_clip_queue = xQueueCreate(8, sizeof(audio_clip_t));
i2s_chan_info_t info = {};
i2s_channel_get_info(tx_chan, &info);
if (info.total_dma_buf_size != 0) {
audio_block_size = info.total_dma_buf_size / sizeof(int16_t);
}
// init queues
play_clip_queue = xQueueCreate(CLIP_QUEUE_SIZE, sizeof(audio_clip_t));
stop_clip_queue = xQueueCreate(CLIP_QUEUE_SIZE, sizeof(char*));
// start task
// TODO: make stack 4096 again :(
xTaskCreate(speaker_task, "play_audio", 16384, NULL, 5, NULL);
xTaskCreate(speaker_task, "play_audio", 4096, NULL, 5, NULL);
// ESP_ERROR_CHECK_WITHOUT_ABORT(play_wav(MOUNT_POINT "/startup.wav"));
// ESP_ERROR_CHECK_WITHOUT_ABORT(play_raw(MOUNT_POINT "/boot.pcm"));
char* file_name = (char*) malloc(sizeof(MOUNT_POINT "/startup.wav"));
memcpy(file_name, MOUNT_POINT "/startup.wav", sizeof(MOUNT_POINT "/startup.wav"));
audio_clip_t startup_clip = {
.file_name = file_name,
.prescaler = 1,
.repeat = false,
.play_immediatly = false,
};
xQueueSend(sequential_clip_queue, &startup_clip, 0);
vTaskDelay(pdMS_TO_TICKS(5000));
play_clip_wav(MOUNT_POINT "/startup.wav", true, false, 3, 0);
ESP_LOGI(TAG, "Speaker initialized!");
}
void play_example() {
ESP_ERROR_CHECK_WITHOUT_ABORT(play_raw("/sdcard/o.pcm"));
}

33
main/drivers/speaker.h
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@ -19,11 +19,8 @@
#define SPEAKER_PIN_WS GPIO_NUM_9
#define SPEAKER_PIN_DOUT GPIO_NUM_3
#define SAMPLE_RATE 44100
#define PLAY_QUEUE_SIZE 8
// The maximum number of clips that can be playing at one time.
#define PLAYING_CLIP_SIZE 8
// Audio will be processed in blocks of this many samples
#define AUDIO_BLOCK_SIZE 2048
// The maximum number of clips that can be queued at one time.
#define CLIP_QUEUE_SIZE 8
extern i2s_chan_handle_t tx_chan;
@ -41,14 +38,26 @@ typedef struct {
bool play_immediatly;
} audio_clip_t;
/// Plays a audio file stopping when something is received on `stop_handle`
///
/// `stop_handle` should be of size `uint8_t`.
esp_err_t play_raw_stop_queue(const char *fp, QueueHandle_t stop_handle);
esp_err_t play_raw(const char *fp);
/// @brief Initalizes the speaker
void init_speaker();
void play_example();
/// @brief Plays a wav audio clip.
/// @param file_name The name of the file to play. Fully qualified with the `.wav` extention.
/// @param play_immediatly If `true`, the file will play immediatly even if there is already
/// another clip being played. The two clips will play simultaniously. If `false` the clip
/// will play once all the previous clips have finished.
/// @param repeat If `true` the clip will repeat until stopped. If `false` the clip will
/// stop when finished.
/// @param prescaler A number to shift right all samples by. This makes the music half as
/// loud. Useful for loud audio files.
/// @param ticks_to_wait The number of ticks to wait if the queue is full.
/// @return true if the clip was added to the queue.
bool play_clip_wav(const char* file_name, bool play_immediatly, bool repeat, uint8_t prescaler, TickType_t ticks_to_wait);
/// @brief Stops an audio clip from playing.
/// @param file_name The file name of the audio clip that was played.
/// @param ticks_to_wait The number of ticks to wait if the queue is full.
/// @return true if the clip was added to the queue.
bool stop_clip(const char* file_name, TickType_t ticks_to_wait);
#endif /* SPEAKER_H */

2
main/main.cpp
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@ -49,7 +49,7 @@ extern "C" void app_main(void) {
stop_game_timer();
ESP_LOGI(TAG, "Bomb has been diffused. Counter-Terrorists win.");
ESP_ERROR_CHECK_WITHOUT_ABORT(play_raw("/sdcard/diffused.pcm"));
play_clip_wav(MOUNT_POINT "/diffused.wav", true, false, 3, 0);
display_game_results();
}

2
main/steps/step1.cpp
View File

@ -264,7 +264,7 @@ static bool play_part(uint32_t time) {
xSemaphoreGive(xGuiSemaphore);
}
vTaskDelay(pdMS_TO_TICKS(80));
play_raw(MOUNT_POINT "/correct.pcm");
play_clip_wav(MOUNT_POINT "/correct.wav", true, false, 3, 0);
return true;
}

2
main/steps/step2.cpp
View File

@ -100,7 +100,7 @@ void step2(void) {
char c = char_of_keypad_key(key);
// ESP_LOGI(TAG, "Pressed: %c", c);
if (c == answer_char) {
play_raw(MOUNT_POINT "/correct.pcm");
play_clip_wav(MOUNT_POINT "/correct.wav", true, false, 3, 0);
solved_times++;
if (solved_times < NUM_SOLVES) {
clean_bomb();

18
main/steps/step3.cpp
View File

@ -13,12 +13,12 @@ static int tone = 0;
static int times = 0;
static const char* TONE_FILES[] = {
MOUNT_POINT "/low-1.pcm",
MOUNT_POINT "/low-3.pcm",
MOUNT_POINT "/low-6.pcm",
MOUNT_POINT "/high-1.pcm",
MOUNT_POINT "/high-3.pcm",
MOUNT_POINT "/high-6.pcm",
MOUNT_POINT "/low-1.wav",
MOUNT_POINT "/low-3.wav",
MOUNT_POINT "/low-6.wav",
MOUNT_POINT "/high-1.wav",
MOUNT_POINT "/high-3.wav",
MOUNT_POINT "/high-6.wav",
};
static const char* LCD_STRINGS[] = {
@ -80,8 +80,8 @@ void step3(void) {
// tone = 2;
while (get_button_pressed(nullptr)) vTaskDelay(pdMS_TO_TICKS(10));
play_raw(MOUNT_POINT "/que.pcm");
play_raw(TONE_FILES[tone]);
play_clip_wav(MOUNT_POINT "/correct.wav", true, false, 3, 0);
play_clip_wav(TONE_FILES[tone], false, false, 3, 0);
bool correct = false;
switch (tone % 3) {
@ -98,7 +98,7 @@ void step3(void) {
if (correct) {
times++;
clean_bomb();
play_raw(MOUNT_POINT "/correct.pcm");
play_clip_wav(MOUNT_POINT "/correct.wav", true, false, 3, 0);
} else {
vTaskDelay(pdMS_TO_TICKS(1500));
}

44
main/steps/step4.cpp
View File

@ -18,8 +18,8 @@ static lv_obj_t* line_clear_img;
static lv_style_t game_over_style;
static lv_obj_t* game_over_label;
static const void* LINE_CLEAR_SRC = (void*)"A:/sdcard/clear.bin";
static const void* BACKGROUND_SRC = (void*)"A:/sdcard/bg.bin";
static const void* LINE_CLEAR_SRC = (void*)"A:" MOUNT_POINT "/clear.bin";
static const void* BACKGROUND_SRC = (void*)"A:" MOUNT_POINT "/bg.bin";
// LV_IMG_DECLARE(background);
// static const void* BACKGROUND_SRC = (void*)&background;
@ -28,13 +28,13 @@ static bool playing_music = true;
static const char* PIECE_IMG_SRC[] = {
NULL,
"A:/sdcard/lb.bin",
"A:/sdcard/db.bin",
"A:/sdcard/orange.bin",
"A:/sdcard/yellow.bin",
"A:/sdcard/green.bin",
"A:/sdcard/purple.bin",
"A:/sdcard/red.bin",
"A:" MOUNT_POINT "/lb.bin",
"A:" MOUNT_POINT "/db.bin",
"A:" MOUNT_POINT "/orange.bin",
"A:" MOUNT_POINT "/yellow.bin",
"A:" MOUNT_POINT "/green.bin",
"A:" MOUNT_POINT "/purple.bin",
"A:" MOUNT_POINT "/red.bin",
};
static bool game = true;
@ -124,21 +124,7 @@ static int bdca(int i) { // [0,1,2,3] -> [ 0,+2,+1,-1]
return map[i];
}
static void music_task(void* arg) {
stop_music = xQueueCreate(2, sizeof (uint8_t));
if (stop_music == 0) {
ESP_LOGW(TAG, "Could not create stop_music queue!");
vTaskDelete(NULL);
}
while (playing_music) {
play_raw_stop_queue(MOUNT_POINT "/tetris.pcm", stop_music);
}
vTaskDelete(NULL);
}
static void init_screen(void) {
static void init_screen() {
while (xSemaphoreTake(xGuiSemaphore, portMAX_DELAY) == pdFALSE) vTaskDelay(pdMS_TO_TICKS(10));
img = lv_img_create(lv_scr_act());
@ -176,19 +162,17 @@ static void init_screen(void) {
xSemaphoreGive(xGuiSemaphore);
xTaskCreate(music_task, "music", 4096, NULL, 5, NULL);
play_clip_wav(MOUNT_POINT "/tetris.wav", true, false, 3, 0);
}
static void deinit_screen(void) {
static void deinit_screen() {
while (xSemaphoreTake(xGuiSemaphore, portMAX_DELAY) == pdFALSE) vTaskDelay(pdMS_TO_TICKS(10));
lv_obj_clean(lv_scr_act());
xSemaphoreGive(xGuiSemaphore);
playing_music = false;
uint8_t value = 0;
if (!xQueueSend(stop_music, &value, pdMS_TO_TICKS(1000))) {
ESP_LOGE(TAG, "Faild to send stop queue");
if (!stop_clip(MOUNT_POINT "/tetris.wav", pdMS_TO_TICKS(1000))) {
ESP_LOGW(TAG, "Can't stop, addicted to the shindig.");
}
}

2
main/steps/step5.cpp
View File

@ -878,7 +878,7 @@ void step5(void) {
stop_module_timer();
if (solved_correctly) {
solved_puzzles++;
play_raw(MOUNT_POINT "/correct.pcm");
play_clip_wav(MOUNT_POINT "/correct.wav", true, false, 3, 0);
vTaskDelay(pdMS_TO_TICKS(500));
solved_correctly = false;
} else {

2
main/steps/step6.cpp
View File

@ -22,7 +22,7 @@ void step6(void) {
for (int i = 0; i < NUM_WIRES; i++) {
if (just_cut_wires & (1<<i)) {
if (solution[i]) {
play_raw(MOUNT_POINT "/correct.pcm");
play_clip_wav(MOUNT_POINT "/correct.wav", true, false, 3, 0);
} else {
strike("Cut wrong wire");
}

2
main/steps/wires_puzzle.cpp
View File

@ -1,6 +1,6 @@
#include "wires_puzzle.h"
const static char* WIRES_FILE_PATH = "/sdcard/wires.txt";
const static char* WIRES_FILE_PATH = MOUNT_POINT "/wires.txt";
const static char* TAG = "wires_puzzle";
static int color_name_len[NUM_COLORS] = {

3
main/steps/wires_puzzle.h
View File

@ -3,8 +3,7 @@
#include <stdint.h>
#include <esp_random.h>
#include <string.h>
#include "esp_vfs_fat.h"
#include "drivers/sd.h"
#define NUM_COLORS 6
#define NUM_WIRES 8