feat(AudioSourceSD): pass an spi instance (#1717)

* fix typo

* pass your own spi instance

* dont make use of `pinSS()` due to compatibility issues

Author: y-nk

src/AudioLibs/AudioSourceSD.h

@@ -36,21 +36,31 @@ class AudioSourceSD : public AudioSource {
   /// Default constructor
   AudioSourceSD(const char *startFilePath = "/", const char *ext = ".mp3", int chipSelect = PIN_CS, bool setupIndex=true) {
     start_path = startFilePath;
-    exension = ext;
+    extension = ext;
     setup_index = setupIndex;
+    spi = &SPI;
+    cs = chipSelect;
+  }
+
+  // Pass your own spi instance, in case you need a dedicated one
+  AudioSourceSD(const char *startFilePath = "/", const char *ext = ".mp3", int chipSelect = PIN_CS, SPIClass &spiInstance = SPI, bool setupIndex=true) {
+    start_path = startFilePath;
+    extension = ext;
+    setup_index = setupIndex;
+    spi = &spiInstance;
     cs = chipSelect;
   }
 
   virtual void begin() override {
     TRACED();
     if (!is_sd_setup) {
-      while (!SD.begin(cs)) {
-        LOGE("SD.begin cs=%d failed",cs);
+      while (!SD.begin(cs, *spi)) {
+        LOGE("SD.begin cs=%d failed", cs);
         delay(1000);
       }
       is_sd_setup = true;
     }
-    idx.begin(start_path, exension, file_name_pattern);
+    idx.begin(start_path, extension, file_name_pattern);
     idx_pos = 0;
   }
 
@@ -102,22 +112,21 @@ class AudioSourceSD : public AudioSource {
   long size() { return idx.size();}
 
 protected:
-#if defined(USE_SD_NO_NS) 
+#if defined(USE_SD_NO_NS)
   SDDirect<SDClass, File> idx{SD};
 #else
   SDDirect<fs::SDFS,fs::File> idx{SD};
 #endif
   File file;
   size_t idx_pos = 0;
   const char *file_name;
-  const char *exension = nullptr;
+  const char *extension = nullptr;
   const char *start_path = nullptr;
   const char *file_name_pattern = "*";
   bool setup_index = true;
   bool is_sd_setup = false;
   int cs;
-
-
+  SPIClass *spi = nullptr;
 };
 
-} // namespace audio_tools
+} // namespace audio_tools