SDBlockDevice: Makes default configuration to use mbed_lib.json settings

SDBlockDevice parameters come from mbed_lib.json if not provided
explicitly.

Introduced an app config file for running filesystem tests.

components/storage/blockdevice/COMPONENT_SD/SDBlockDevice.h

@@ -29,6 +29,28 @@
 #include "platform/PlatformMutex.h"
 #include "hal/static_pinmap.h"
 
+#ifndef MBED_CONF_SD_SPI_MOSI
+#define MBED_CONF_SD_SPI_MOSI NC
+#endif
+#ifndef MBED_CONF_SD_SPI_MISO
+#define MBED_CONF_SD_SPI_MISO NC
+#endif
+#ifndef MBED_CONF_SD_SPI_CLK
+#define MBED_CONF_SD_SPI_CLK NC
+#endif
+#ifndef MBED_CONF_SD_SPI_CS
+#define MBED_CONF_SD_SPI_CS NC
+#endif
+#ifndef MBED_CONF_SD_INIT_FREQUENCY
+#define MBED_CONF_SD_INIT_FREQUENCY 100000
+#endif
+#ifndef MBED_CONF_SD_TRX_FREQUENCY
+#define MBED_CONF_SD_TRX_FREQUENCY  1000000
+#endif
+#ifndef MBED_CONF_SD_CRC_ENABLED
+#define MBED_CONF_SD_CRC_ENABLED 0
+#endif
+
 /** SDBlockDevice class
  *
  * Access an SD Card using SPI bus
@@ -44,7 +66,12 @@ public:
      *  @param hz       Clock speed of the SPI bus (defaults to 1MHz)
      *  @param crc_on   Enable cyclic redundancy check (defaults to disabled)
      */
-    SDBlockDevice(PinName mosi, PinName miso, PinName sclk, PinName cs, uint64_t hz = 1000000, bool crc_on = 0);
+    SDBlockDevice(PinName mosi = MBED_CONF_SD_SPI_MOSI,
+                  PinName miso = MBED_CONF_SD_SPI_MISO,
+                  PinName sclk = MBED_CONF_SD_SPI_CLK,
+                  PinName cs = MBED_CONF_SD_SPI_CS,
+                  uint64_t hz = MBED_CONF_SD_TRX_FREQUENCY,
+                  bool crc_on = MBED_CONF_SD_CRC_ENABLED);
 
     /** Creates an SDBlockDevice on a SPI bus specified by pins (using static pin-map)
      *
@@ -52,7 +79,10 @@ public:
      *  @param hz         Clock speed of the SPI bus (defaults to 1MHz)
      *  @param crc_on     Enable cyclic redundancy check (defaults to disabled)
      */
-    SDBlockDevice(const spi_pinmap_t &spi_pinmap, PinName cs, uint64_t hz = 1000000, bool crc_on = 0);
+    SDBlockDevice(const spi_pinmap_t &spi_pinmap,
+                  PinName cs = MBED_CONF_SD_SPI_CS,
+                  uint64_t hz = MBED_CONF_SD_TRX_FREQUENCY,
+                  bool crc_on = MBED_CONF_SD_CRC_ENABLED);
 
     virtual ~SDBlockDevice();
 

components/storage/blockdevice/COMPONENT_SD/mbed_lib.json

@@ -9,7 +9,8 @@
         "CMD_TIMEOUT": 10000,
         "CMD0_IDLE_STATE_RETRIES": 5,
         "INIT_FREQUENCY": 100000,
-        "CRC_ENABLED": 1,
+        "TRX_FREQUENCY": 1000000,
+        "CRC_ENABLED": 0,
         "TEST_BUFFER": 8192
     },
     "target_overrides": {

features/storage/system_storage/SystemStorage.cpp

@@ -120,12 +120,7 @@ MBED_WEAK BlockDevice *BlockDevice::get_default_instance()
         MBED_CONF_SD_SPI_CS
     );
 #else
-    static SDBlockDevice default_bd(
+    static SDBlockDevice default_bd;
-        MBED_CONF_SD_SPI_MOSI,
-        MBED_CONF_SD_SPI_MISO,
-        MBED_CONF_SD_SPI_CLK,
-        MBED_CONF_SD_SPI_CS
-    );
 #endif
 
     return &default_bd;

tools/test_configs/SDBlockDeviceAndHeapBlockDevice.json

@@ -0,0 +1,19 @@
+{
+    "config": {
+        "sim-blockdevice": {
+            "help": "Simulated block device, requires sufficient heap",
+            "macro_name": "MBED_TEST_SIM_BLOCKDEVICE",
+            "value": "HeapBlockDevice"
+        },
+        "test-blockdevice": {
+            "help": "Used blockdevice",
+            "macro_name": "MBED_TEST_BLOCKDEVICE",
+            "value": "SDBlockDevice"
+        },
+        "test-filesystem": {
+            "help": "Used filesystem",
+            "macro_name": "MBED_TEST_FILESYSTEM",
+            "value": "LittleFileSystem"
+        }
+    }
+}