asaril/ledstick
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add vu effect

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This commit is contained in:
Patrick Moessler 2025-03-10 00:19:48 +01:00
parent 36f896db35
commit de110d8120
1 changed files with 58 additions and 1 deletions

59
main/ledstick_main.c
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@ -83,6 +83,12 @@ treb: 43-255
} \
current_powers[IDX] /= (END + 1 - START);
#define MIRROR_LED(start, end, second_start) \
for (uint32_t *src = start, *dst = second_start; src < end; src++, dst--) \
{ \
*dst = *src; \
}
#define RGB(R, G, B, V) ((uint32_t)(0xe0) | (V) | (B << 8) | (G << 16) | (R << 24))
#define SET_RGB(old, R, G, B) ((old&0x000000E0) | (uint32_t)(0xe0) | (V) | (B << 8) | (G << 16) | (R << 24)))
#define SET_R(old, R) ((old & 0x00FFFFFF) | (R << 24))
@ -412,6 +418,56 @@ static inline TickType_t app_effect_fft_colors()
return pdMS_TO_TICKS(10);
}
static inline TickType_t app_effect_vu_meter()
{
// if (xTaskNotifyWait(0, 0, &in_fft_buf_idx, pdMS_TO_TICKS(100)) == pdPASS)
// {
// if (in_fft_buf_idx >= BUF_COUNT)
// {
// printf("output buf count wrong: %ld", in_fft_buf_idx);
// return pdMS_TO_TICKS(10);
// }
// }
xSemaphoreTake(output_mutex, portMAX_DELAY);
// float current_level = 0;
float max_level = ((float)floating_max) / INT32_MAX;
xSemaphoreGive(output_mutex);
uint32_t max_level_led = MIN(LEDS_COUNT / 2 - 1, MAX(0, LEDS_COUNT / 2 * max_level));
for (int i = 0; i < LEDS_COUNT / 2; i++)
{
if (i < max_level_led)
{
if (i < 0.5 * LEDS_COUNT / 2)
{
leds.buffer[i] = RGB(0, 255, 0, 4);
}
else if (i < 0.8 * LEDS_COUNT / 2)
{
leds.buffer[i] = RGB(255, 192, 0, 8);
}
else
{
leds.buffer[i] = RGB(255, 0, 0, 8);
}
}
else if (i == max_level_led)
{
leds.buffer[i] = RGB(0, 0, 255, 8);
}
else
{
leds.buffer[i] = RGB(0, 0, 0, 0);
}
}
MIRROR_LED(&leds.buffer[0], &leds.buffer[LEDS_COUNT / 2], &leds.buffer[LEDS_COUNT - 1]);
return pdMS_TO_TICKS(10);
}
static void app_output_task(void *args)
{
esp_err_t ret;
@ -431,7 +487,8 @@ static void app_output_task(void *args)
// TickType_t next_ticks = app_effect_blob_run();
// TickType_t next_ticks = app_effect_fft_colors();
TickType_t next_ticks = app_effect_bass_sparks();
// TickType_t next_ticks = app_effect_bass_sparks();
TickType_t next_ticks = app_effect_vu_meter();
ret = spi_device_transmit(led_spi_dev, &trans);
ESP_ERROR_CHECK(ret);