AudioSource: timeout in begin

Author: pschatzmann

src/AudioTools/Disk/AudioSourceIdxSD.h

@@ -54,9 +54,13 @@ class AudioSourceIdxSD : public AudioSource {
   virtual bool begin() override {
     TRACED();
     if (!is_sd_setup) {
+      int retry = 10;
       while (!start_sd()) {
         LOGW("SD.begin cs=%d failed", cs);
         delay(500);
+        if (--retry <= 0) {
+          return false;
+        }
       }
       is_sd_setup = true;
     }

src/AudioTools/Disk/AudioSourceSDMMC.h

@@ -43,7 +43,7 @@ class AudioSourceSDMMC : public AudioSource {
     if (!is_sd_setup) {
       if (!SD_MMC.begin("/sdcard", true)) {
         LOGE("SD_MMC.begin failed");
-        return;
+        return false;
       }
       is_sd_setup = true;
     }

src/AudioTools/Disk/AudioSourceSPIFFS.h

@@ -24,9 +24,13 @@ class AudioSourceSPIFFS : public AudioSource {
   virtual bool begin() override {
     TRACED();
     if (!is_sd_setup) {
+      int retry = 10;
       while (!SPIFFS.begin()) {
         LOGE("SPIFFS.begin failed");
-        delay(1000);
+        delay(500);
+        if (--retry <= 0) {
+          return false;
+        }
       }
       is_sd_setup = true;
     }