Fixes PDM read return value in 1 channel mode

rajames · rajames · commit f0dd673b0d7f · 2021-02-13T17:05:33.000+01:00
diff --git a/libraries/PDM/src/stm32/PDM.cpp b/libraries/PDM/src/stm32/PDM.cpp
@@ -104,7 +104,7 @@ int PDMClass::read(void* buffer, size_t size)
     for (int i = 0; i < size; i++) {
       ((uint16_t*)buffer)[i] = temp[i*2];
     }
-    return read;
+    return read/2;
   }
   int read = _doubleBuffer.read(buffer, size);
   return read;
@@ -172,4 +172,4 @@ extern "C" {
 
 PDMClass PDM(0, 0, 0);
 
-#endif
+#endif

Original file line number	Diff line number	Diff line change
`@@ -104,7 +104,7 @@ int PDMClass::read(void* buffer, size_t size)`
`104`	`104`	`for (int i = 0; i < size; i++) {`
`105`	`105`	`((uint16_t)buffer)[i] = temp[i2];`
`106`	`106`	`}`
`107`		`- return read;`
	`107`	`+ return read/2;`
`108`	`108`	`}`
`109`	`109`	`int read = _doubleBuffer.read(buffer, size);`
`110`	`110`	`return read;`
`@@ -172,4 +172,4 @@ extern "C" {`
`172`	`172`
`173`	`173`	`PDMClass PDM(0, 0, 0);`
`174`	`174`
`175`		`-#endif`
	`175`	`+#endif`