Diff: main.cpp

Revision:

0:0282e73ca55b

Child:

1:a12f904713ed

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Wed Feb 15 13:07:06 2017 +0000
@@ -0,0 +1,44 @@
+#include "mbed.h"
+#include "USBHostMSD.h"
+DigitalOut led(LED1);
+void msd_task(void const *) {
+    printf("init msd\n");
+    USBHostMSD msd("usb");
+    int i = 0;
+    printf("wait for usb memory stick insertion\n");
+    while(1) {
+
+        // try to connect a MSD device
+        while(!msd.connect()) {
+            Thread::wait(500);
+        }
+
+        // in a loop, append a file
+        // if the device is disconnected, we try to connect it again
+
+        // append a file
+        FILE * fp = fopen("/usb/test1.txt", "a");
+
+        if (fp != NULL) {
+            fprintf(fp, "Hello fun SD Card World: %d!\r\n", i++);
+            printf("Goodbye World!\r\n");
+            fclose(fp);
+        } else {
+            printf("FILE == NULL\r\n");
+        }
+        Thread::wait(500);
+        printf("again\n");
+        // if device disconnected, try to connect again
+        while (msd.connected()) {
+            Thread::wait(500);
+        }
+    }
+}
+
+int main() {
+    Thread msdTask(msd_task, NULL, osPriorityNormal, 1024 * 4);
+    while(1) {
+        led=!led;
+        Thread::wait(500);
+    }
+}
\ No newline at end of file