refactor(audio): retire l'instrumentation SCO de debug

components/audio_router/audio_router.c

@@ -194,17 +194,12 @@ int audio_router_get_aec(void) { return s_aec_mode; }
 int audio_router_get_play_gain(void) { return s_play_gain; }
 int audio_router_get_mic_gain(void)  { return s_mic_gain; }
 
-/* --- Compteurs de diagnostic SCO (temporaires) --- */
-static volatile uint32_t s_dbg_in_bytes = 0;  /* PCM recu du BT (feed_playback) */
-static volatile uint32_t s_dbg_cap = 0;       /* frames micro capturees */
-
 static void tone_task(void *a)
 {
     (void)a;
     int16_t buf[FRAME * 2];
     uint32_t ph = 0;
     int64_t t = 0;  /* ms écoulées dans l'état courant */
-    uint32_t sco_it = 0, sco_play = 0, sco_under = 0;
     static int16_t sco_acc[FRAME];   /* accumulateur mono SCO */
     int sco_acc_n = 0;
 
@@ -271,15 +266,7 @@ static void tone_task(void *a)
                 esp_err_t wr = i2s_channel_write(hal_i2s_spk_handle(), buf, sizeof(buf),
                                                  &written, pdMS_TO_TICKS(50));
                 sco_acc_n = 0;
-                sco_play++;
-                if (++sco_it % 100 == 0) {
-                    ESP_LOGI(TAG, "SCO diag: in=%u play=%u under=%u cap=%u wrote=%u wr=%s",
-                             (unsigned)s_dbg_in_bytes, (unsigned)sco_play,
-                             (unsigned)sco_under, (unsigned)s_dbg_cap,
-                             (unsigned)written, esp_err_to_name(wr));
-                }
-            } else {
-                sco_under++;  /* pas encore une frame complete */
+                (void)wr;
             }
             continue;
         }
@@ -369,7 +356,6 @@ static void sco_mic_task(void *a)
         int64_t e = 0;
         int n = hal_i2s_capture_read_frame(mono, FRAME, &e);
         if (n <= 0) { vTaskDelay(pdMS_TO_TICKS(5)); continue; }
-        s_dbg_cap++;
 
         /* 0) NLMS (mode 2) : recupere la frame de reference (downlink joue,
          * alignee par le ring + le retard) et annule l'echo sur le micro brut. */
@@ -479,7 +465,6 @@ void audio_router_sco_end(void)
 void audio_router_sco_feed_playback(const uint8_t *pcm, uint32_t len)
 {
     if (s_sco_play_rb && s_sco_active) {
-        s_dbg_in_bytes += len;
         xRingbufferSend(s_sco_play_rb, pcm, len, 0);
     }
 }