Root cause (verified against our exact IDF tree, not the community guess): the "258" in "sdio_write_task: Failed to send data: 258" is NOT a timeout (that is 263). 258 = 0x102 = ESP_ERR_INVALID_ARG. On the ESP32-P4, block- mode CMD53 writes require the SOURCE buffer to be 64-byte (cache-line) aligned; the IDF sdmmc driver rejects a misaligned source with INVALID_ARG BEFORE any bus activity. esp_hosts write loop then declares "Unrecoverable host sdio state" and reboots the whole P4. The audio TX payload is not 64-aligned, so streaming mic audio wedged on the very FIRST frame (which is exactly what we saw: listening -> instant Failed to send -> reboot). This also explains why buffer/queue/clock/retry tuning all did nothing: the write never reached the bus. And why our symptom was instant, not after ~100 writes (the community block-mode-desync theory) — it is the first misaligned buffer, every time. Fix: vendored esp_hosted 2.12.11 as an editable local component (overrides the registry copy) and bounce a misaligned TX payload through one aligned DMA scratch buffer in hosted_sdio_write_block (port_esp_hosted_host_sdio.c). TX is serialized by the bus lock so a single static bounce buffer is safe; freed in hosted_sdio_deinit. Host-only change — no C6 reflash. VERIFIED ON HARDWARE (autonomous self-test): 40s of continuous mic-audio upstream streaming — the traffic that previously wedged on the first frame — ran clean, zero timeouts, zero reboots. A guarded SDIO_TX_SELFTEST harness is kept (compiled out) for future SDIO stress testing. Credit: root cause + patch designed via multi-agent investigation; the precise 258=INVALID_ARG decode (correcting the upstream community timeout assumption) came from checking our actual esp_err.h. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
143 lines
3.9 KiB
C
143 lines
3.9 KiB
C
/* DeskLock — living-room face and voice for the Tatlock butler.
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*
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* Boot: display + face -> audio (gong) -> Wi-Fi (C6/ESP-Hosted) -> gateway WS.
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* Interaction (phase 2): touch-to-talk — tap to speak, tap again to finish.
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*
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* Touch is DECOUPLED from the LVGL thread: the touch callback only signals a
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* semaphore; all the real work (blocking WebSocket sends, audio, face changes)
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* runs in app_task. A blocking WS send on the LVGL render thread stalls the
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* MIPI-DSI flush -> blue/garbage frame + task-watchdog reboot.
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*/
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#include "esp_log.h"
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#include "esp_system.h"
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#include "freertos/FreeRTOS.h"
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#include "freertos/semphr.h"
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#include "freertos/task.h"
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#include "bsp/esp-bsp.h"
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#include "desklock.h"
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/* 1 = L1 wifi driver diagnosis (SoftAP, no STA/gateway). 0 = normal app. */
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#define WIFI_DIAG_MODE 0
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static const char *TAG = "desklock";
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static SemaphoreHandle_t s_touch_sem;
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static bool s_talking;
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/* Called from the LVGL touch callback — MUST be fast and non-blocking. */
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void app_on_touch(void)
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{
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if (s_touch_sem != NULL) {
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xSemaphoreGive(s_touch_sem);
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}
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}
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/* Called from the WS event task when the link drops: forget any half-utterance
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* so the next tap starts a fresh one instead of hitting the "stop" branch. */
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void app_on_disconnect(void)
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{
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s_talking = false;
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}
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/* Runs in app_task (normal context): blocking sends here don't stall rendering. */
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static void handle_touch(void)
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{
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face_activity();
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if (!gw_connected()) {
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s_talking = false; /* link gone; nothing to talk to */
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return;
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}
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if (!s_talking) {
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if (audio_is_playing() || face_get() == FACE_EFFORT) {
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return; /* barge-in is phase 4 */
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}
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s_talking = true;
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gw_send_text("{\"type\":\"utterance_start\"}");
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audio_capture_start();
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face_set(FACE_LISTENING);
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ESP_LOGI(TAG, "listening…");
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} else {
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s_talking = false;
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audio_capture_stop();
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gw_send_text("{\"type\":\"utterance_end\"}");
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face_set(FACE_PENSIVE);
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ESP_LOGI(TAG, "utterance sent");
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}
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}
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static void app_task(void *arg)
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{
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(void)arg;
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for (;;) {
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if (xSemaphoreTake(s_touch_sem, portMAX_DELAY) == pdTRUE) {
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vTaskDelay(pdMS_TO_TICKS(60)); /* debounce */
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xSemaphoreTake(s_touch_sem, 0); /* coalesce repeats during debounce */
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handle_touch();
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}
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}
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}
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void app_on_playback_done(void)
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{
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face_set(FACE_IDLE);
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}
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#if SDIO_TX_SELFTEST
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/* Temporary autonomous SDIO-TX stress test: stream mic audio upstream for 40s
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* right after connecting (no user tap needed) to prove the #167 alignment fix.
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* Remove once verified. */
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static void sdio_tx_selftest_task(void *arg)
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{
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(void)arg;
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vTaskDelay(pdMS_TO_TICKS(4000));
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ESP_LOGW("selftest", "SDIO TX STRESS START: streaming mic audio 40s");
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audio_capture_start();
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for (int i = 0; i < 40; i++) {
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vTaskDelay(pdMS_TO_TICKS(1000));
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ESP_LOGW("selftest", "SDIO TX STRESS: alive %ds (no wedge)", i + 1);
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}
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audio_capture_stop();
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ESP_LOGW("selftest", "SDIO TX STRESS SURVIVED 40s — #167 FIX CONFIRMED");
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vTaskDelete(NULL);
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}
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void sdio_tx_selftest_kick(void)
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{
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static bool started;
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if (!started) {
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started = true;
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xTaskCreate(sdio_tx_selftest_task, "sdiotest", 4096, NULL, 4, NULL);
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}
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}
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#endif
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void app_main(void)
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{
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ESP_LOGI(TAG, "DeskLock starting");
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s_touch_sem = xSemaphoreCreateBinary();
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bsp_display_start();
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bsp_display_backlight_on();
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face_init();
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audio_init();
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if (esp_reset_reason() == ESP_RST_POWERON) {
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audio_play_gong(); /* cold boot only — recovery reboots stay silent */
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}
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xTaskCreate(app_task, "app", 4096, NULL, 5, NULL);
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#if WIFI_DIAG_MODE
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wifi_diag_start();
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#else
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net_start();
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c6_ota_start(); /* one-shot C6 radio firmware update — remove once proven */
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#endif
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ESP_LOGI(TAG, "DeskLock up");
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}
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