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This commit is contained in:
Eduard Iten
2026-02-27 13:11:00 +01:00
parent 197e5b4859
commit 125d11fa46
6 changed files with 9 additions and 7 deletions
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6
firmware/src/audio.c
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@@ -13,7 +13,7 @@
LOG_MODULE_REGISTER(audio, LOG_LEVEL_INF);
/* Dauer eines Blocks in ms (4096 Bytes / (16kHz * 2 Kanäle * 2 Bytes)) = 64 ms */
#define BLOCK_DURATION_MS 64
#define BLOCK_DURATION_MS ((AUDIO_BLOCK_SIZE * 1000) / (AUDIO_SAMPLE_RATE * 2 * (AUDIO_WORD_WIDTH / 8)))
#define MAX_WAIT_TIME_MS (3 * BLOCK_DURATION_MS)
/* Slab für I2S. Keine weiteren Queues oder Threads nötig. */
@@ -93,14 +93,14 @@ void audio_refresh_file_count(void)
static void wait_for_i2s_drain(void)
{
/* Maximale Wartezeit berechnen (8 Blöcke * 64ms = 512ms + Toleranz) */
/* Maximale Wartezeit berechnen */
int64_t deadline = k_uptime_get() + (AUDIO_BLOCK_COUNT * BLOCK_DURATION_MS) + 100;
while (k_mem_slab_num_free_get(&audio_slab) < AUDIO_BLOCK_COUNT)
{
if (k_uptime_get() >= deadline)
{
LOG_WRN("Timeout waiting for I2S drain");
LOG_WRN("Timeout waiting for I2S drain, used slabs: %u", AUDIO_BLOCK_COUNT - k_mem_slab_num_free_get(&audio_slab));
break;
}
k_sleep(K_MSEC(10));

4
firmware/src/audio.h
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@@ -10,8 +10,8 @@
#define AUDIO_THREAD_PRIORITY 5
#define AUDIO_EVENTS_MASK (AUDIO_EVENT_PLAY | AUDIO_EVENT_STOP | AUDIO_EVENT_SYNC)
#define AUDIO_BLOCK_SIZE 4096
#define AUDIO_BLOCK_COUNT 8
#define AUDIO_BLOCK_SIZE 8192 /* 512 Samples Stereo (16-bit) = 8192 Bytes */
#define AUDIO_BLOCK_COUNT 4
#define AUDIO_WORD_WIDTH 16
#define AUDIO_SAMPLE_RATE 16000

1
firmware/src/fs.c
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@@ -1,6 +1,7 @@
#include <zephyr/fs/littlefs.h>
#include <zephyr/drivers/flash.h>
#include <zephyr/dfu/flash_img.h>
#include <zephyr/dfu/mcuboot.h>
#include <zephyr/pm/device.h>
#include <fs.h>
LOG_MODULE_REGISTER(buzz_fs, LOG_LEVEL_INF);

1
firmware/src/main.c
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@@ -5,6 +5,7 @@
#include <zephyr/init.h>
#include <zephyr/sys/printk.h>
#include <zephyr/logging/log_ctrl.h>
#include <zephyr/dfu/mcuboot.h>
#include <app_version.h>
#include <version.h>
#include <ncs_version.h>

2
firmware/src/protocol.c
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@@ -14,7 +14,7 @@
#define PROTOCOL_VERSION 1
LOG_MODULE_REGISTER(protocol, LOG_LEVEL_DBG);
LOG_MODULE_REGISTER(protocol, LOG_LEVEL_INF);
#define PROTOCOL_STACK_SIZE 2048
#define PROTOCOL_PRIORITY 5