softspi driver and its app test

APP_Framework/Applications/app_test/Kconfig

@@ -26,6 +26,17 @@ menu "test app"
                     endif
                 endif
 
+            menuconfig USER_TEST_SD
+                bool "Config test sd"
+                default n
+                if USER_TEST_SD
+                    if ADD_XIZI_FETURES
+                        config SD_FPATH
+                            string "Set sd file path"
+                            default "/sdcard_testfile"
+                    endif
+                endif
+
             config USER_TEST_SEMC
                 bool "Config test semc sdram"
                 default n
@@ -33,5 +44,7 @@ menu "test app"
             config USER_TEST_LCD
                 bool "Config test lcd device"
                 default n
+
+                
         endif
 endmenu

APP_Framework/Applications/app_test/Makefile

@@ -25,6 +25,10 @@ ifeq ($(CONFIG_ADD_XIZI_FETURES),y)
         SRC_FILES += test_dac.c
     endif
 
+    ifeq ($(CONFIG_USER_TEST_SD),y)
+        SRC_FILES += test_softspi_sd.c
+    endif
+
     ifeq ($(CONFIG_USER_TEST_SEMC),y)
         SRC_FILES += test_extsram.c
     endif

APP_Framework/Applications/app_test/test_adc.c

@@ -56,4 +56,4 @@ void TestAdc(void)
 
     return;
 }
-PRIV_SHELL_CMD_FUNCTION(TestAdc, a adc test sample, PRIV_SHELL_CMD_MAIN_ATTR);
+PRIV_SHELL_CMD_FUNCTION(TestAdc, a adc test sample, PRIV_SHELL_CMD_MAIN_ATTR);

APP_Framework/Applications/app_test/test_softspi_sd.c

@@ -0,0 +1,31 @@
+#include <stdio.h>
+#include <string.h>
+#include <transform.h>
+
+#define MAX_READ_LENGTH 1000
+
+// sd card here is loaded as "/"
+void TestSD(void)
+{
+    //open the file in sdcard
+    int fd = open(SD_FPATH,O_RDWR|O_CREAT);
+    char filewords[MAX_READ_LENGTH];
+    memset(filewords,0,MAX_READ_LENGTH);
+
+    //read and write then close file
+    read(fd,filewords,MAX_READ_LENGTH);
+    printf("read data is \n%s\n",filewords);
+    const char *input_words = "these words are going to write in sdcard\n";
+    write(fd,input_words,strlen(input_words));
+    close(fd);
+
+    //re-open the file and re-read the file
+    fd = open(SD_FPATH,O_RDWR);
+    read(fd,filewords,MAX_READ_LENGTH);
+    printf("read data is \n%s\n",filewords);
+    close(fd);
+
+    return;
+}
+
+PRIV_SHELL_CMD_FUNCTION(TestSD, a sdcard test sample, PRIV_SHELL_CMD_MAIN_ATTR);