Diff: main.cpp

Revision:

0:1ce5a958aaf8

Child:

2:fad34c30dcc4

diff -r 000000000000 -r 1ce5a958aaf8 main.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Fri Oct 20 11:29:41 2017 +0000
@@ -0,0 +1,67 @@
+/* Access an SD Card using SPI */
+ 
+ #include "mbed.h"
+ #include "SDBlockDevice.h"
+ #include "FATFileSystem.h"
+ 
+ SDBlockDevice sd(D11, D12, D13, D10); // mosi, miso, sclk, cs
+
+ uint8_t block[512] = "Hello World!\n";
+ int main()
+{
+    printf("Initialise and write to a file\n");
+    //FileSystemLike(*sd);
+
+
+    // call the SDBlockDevice instance initialisation method.
+    if ( 0 != sd.init()) {
+        printf("Init failed \n");
+        return -1;
+    }
+    //FileSystemLike(*sd);
+    
+    FATFileSystem fs("sd", &sd);
+    
+    
+    FILE *fp = fopen("/sd/test.txt","w");
+        if(fp == NULL) {
+        error("Could not open file for write\n");
+    }
+    
+    //Put some text in the file...
+    fprintf(fp, "Martin Says Hi! One for the good guys\n");
+    
+    //Tidy up here
+    fclose(fp);
+    sd.deinit();
+    printf("All done...\n");
+    
+   /* 
+    printf("sd size: %llu\n",         sd.size());
+    printf("sd read size: %llu\n",    sd.get_read_size());
+    printf("sd program size: %llu\n", sd.get_program_size());
+    printf("sd erase size: %llu\n",   sd.get_erase_size());
+
+    // set the frequency
+    if ( 0 != sd.frequency(5000000)) {
+        printf("Error setting frequency \n");
+    }
+
+    if ( 0 != sd.erase(0, sd.get_erase_size())) {
+        printf("Error Erasing block \n");
+    }
+
+    // Write some the data block to the device
+    if ( 0 == sd.program(block, 0, 512)) {
+        // read the data block from the device
+        if ( 0 == sd.read(block, 0, 512)) {
+            // print the contents of the block
+            printf("%s", block);
+        }
+    }
+
+    // call the SDBlockDevice instance de-initialisation method.
+    
+    sd.deinit();
+    */
+}
\ No newline at end of file