fix issue with blitFrameBuffer not working on Adafruit CLUE (HT @jimsbugs)

dstieglitz · dstieglitz · commit a9da08a01a25 · 2021-12-24T07:47:51.000-08:00
diff --git a/libraries/SPI/SPI.cpp b/libraries/SPI/SPI.cpp
@@ -207,8 +207,13 @@ void SPIClass::transfer(const void *tx_buf, void *rx_buf, size_t count)
 
   while (count)
   {
+#ifdef _VARIANT_CLUE52840_
+    // each transfer can only up to 64KB (16-bit) bytes
+    const size_t xfer_len = min(count, UINT16_MAX);
+#else
     // each transfer can only up to 64KB (16-bit) bytes
     const size_t xfer_len = min((uint16_t) count, UINT16_MAX);
+#endif
 
     nrfx_spim_xfer_desc_t xfer_desc =
     {

Original file line number	Diff line number	Diff line change
`@@ -207,8 +207,13 @@ void SPIClass::transfer(const void tx_buf, void rx_buf, size_t count)`
`207`	`207`
`208`	`208`	`while (count)`
`209`	`209`	`{`
	`210`	`+#ifdef _VARIANT_CLUE52840_`
	`211`	`+ // each transfer can only up to 64KB (16-bit) bytes`
	`212`	`+ const size_t xfer_len = min(count, UINT16_MAX);`
	`213`	`+#else`
`210`	`214`	`// each transfer can only up to 64KB (16-bit) bytes`
`211`	`215`	`const size_t xfer_len = min((uint16_t) count, UINT16_MAX);`
	`216`	`+#endif`
`212`	`217`
`213`	`218`	`nrfx_spim_xfer_desc_t xfer_desc =`
`214`	`219`	`{`