mi mi / Mbed 2 deprecated SDFileSystemDMA-test Featured

first

Dependencies:   SDFileSystemDMA mbed

Refer to:
https://developer.mbed.org/users/mimi3/code/SDFileSystemDMA

Caution

If your board has SRAM less than or equal to 8KB, the 'buffer' size must be set to 512 Bytes.

NUCLEO-F411RE
About 2.5MBytes/sec
/media/uploads/mimi3/sdfilesystemdma-speed-test-teraterm-output-f411re.png
NUCLEO-L152RE
About 1MBytes/sec
/media/uploads/mimi3/sdfilesystemdma-l152re-cui.png

Diff: spi_device.h

Revision:
21:6253a88675a5
Parent:
19:6519eb90d1ef
--- a/spi_device.h	Tue Aug 30 20:17:00 2016 +0900
+++ b/spi_device.h	Thu Sep 01 17:46:24 2016 +0900
@@ -107,10 +107,16 @@
 #if defined(TARGET_STM32F0) \
  || defined(TARGET_STM32L1) \
  || defined(TARGET_STM32L0)
+#define CS          D10		/* PB_6 */
+#if 1
 #define MOSI        D4		/* PB_5 */
 #define MISO        D5		/* PB_4 */
 #define SCLK        D3		/* PB_3 */
-#define CS          D10		/* PB_6 */
+#else
+#define MOSI        D11		/* PA_7 */
+#define MISO        D12		/* PA_6 */
+#define SCLK        D13		/* PA_5 */
+#endif
 #endif