Use modern sync() for compatibility with newer ESP cores.

nseidle · nseidle · commit 82f2d260529d · 2023-12-12T11:34:59.000-07:00
diff --git a/Firmware/RTK_Surveyor/FileSdFatMMC.h b/Firmware/RTK_Surveyor/FileSdFatMMC.h
@@ -158,7 +158,7 @@ class FileSdFatMMC : public SdFile
     void flush()
     {
         if (USE_SPI_MICROSD)
-            _sdFile->flush();
+            _sdFile->sync();
 #ifdef COMPILE_SD_MMC
         else
             _file->flush();

Original file line number	Diff line number	Diff line change
`@@ -158,7 +158,7 @@ class FileSdFatMMC : public SdFile`
`158`	`158`	`void flush()`
`159`	`159`	`{`
`160`	`160`	`if (USE_SPI_MICROSD)`
`161`		`- _sdFile->flush();`
	`161`	`+ _sdFile->sync();`
`162`	`162`	`#ifdef COMPILE_SD_MMC`
`163`	`163`	`else`
`164`	`164`	`_file->flush();`