Seeed Xadow M0 working with SD card add-on

Dependencies:   SDFileSystem SSD1308_128x64_I2C USBDevice mbed

Fork of SDFileSystem_HelloWorld by mbed official

Files at this revision

API Documentation at this revision

Comitter:
whatnick
Date:
Fri Nov 21 13:15:45 2014 +0000
Parent:
0:bdbd3d6fc5d5
Commit message:
SD card tested working

Changed in this revision

SDFileSystem.lib Show annotated file Show diff for this revision Revisions of this file
SSD1308_128x64_I2C.lib Show annotated file Show diff for this revision Revisions of this file
USBDevice.lib Show annotated file Show diff for this revision Revisions of this file
main.cpp Show annotated file Show diff for this revision Revisions of this file
mbed.bld Show annotated file Show diff for this revision Revisions of this file
--- a/SDFileSystem.lib	Fri Dec 07 11:25:01 2012 +0000
+++ b/SDFileSystem.lib	Fri Nov 21 13:15:45 2014 +0000
@@ -1,1 +1,1 @@
-http://mbed.org/users/mbed_official/code/SDFileSystem/#c8f66dc765d4
+http://mbed.org/users/neilt6/code/SDFileSystem/#c9e938f6934f
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/SSD1308_128x64_I2C.lib	Fri Nov 21 13:15:45 2014 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/wim/code/SSD1308_128x64_I2C/#fa18169dd7e6
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/USBDevice.lib	Fri Nov 21 13:15:45 2014 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/yihui/code/USBDevice/#74ca09725b68
--- a/main.cpp	Fri Dec 07 11:25:01 2012 +0000
+++ b/main.cpp	Fri Nov 21 13:15:45 2014 +0000
@@ -1,19 +1,43 @@
 #include "mbed.h"
 #include "SDFileSystem.h"
- 
-SDFileSystem sd(p5, p6, p7, p8, "sd"); // the pinout on the mbed Cool Components workshop board
+#include "pinmap.h"
+#include "SSD1308.h"
+
+#define DEBUG
+#define HARD_SPI        1
+#define I2C_FREQ            100000
+
+I2C i2c(I2C_SDA, I2C_SCL);
+//Use Xadow OLED for display
+SSD1308 oled = SSD1308(i2c, SSD1308_SA0);
+
+#ifdef DEBUG
+#include "USBSerial.h"                       // To use USB virtual serial, a driver is needed, check http://mbed.org/handbook/USBSerial
+#define LOG(args...)    pc.printf(args)
+USBSerial pc;
+#else
+#define LOG(args...)
+#endif
+
+SDFileSystem sd(P0_21, P0_22, P1_15, P1_19, "sd", P0_20,  SDFileSystem::SWITCH_POS_NC); // the pinout on the mbed Cool Components workshop board
  
 int main() {
-    printf("Hello World!\n");   
- 
+    LOG("Hello World!\n");  
+    oled.clearDisplay();
+    oled.writeString(0,0,"Hello World!");
     mkdir("/sd/mydir", 0777);
     
-    FILE *fp = fopen("/sd/mydir/sdtest.txt", "w");
-    if(fp == NULL) {
-        error("Could not open file for write\n");
-    }
-    fprintf(fp, "Hello fun SD Card World!");
-    fclose(fp); 
- 
-    printf("Goodbye World!\n");
+    while(1)
+    {
+        FILE *fp = fopen("/sd/mydir/sdtest.txt", "w");
+        if(fp == NULL) {
+            LOG("Could not open file for write\n");
+            oled.writeString(2,0,"Failed on SD");
+        }
+        fprintf(fp, "Hello fun Xadow SD Card World!");
+        fclose(fp);
+        LOG("Goodbye World!\n");
+        oled.writeString(1,0,"Goodbye World!");
+    }    
+    
 }
--- a/mbed.bld	Fri Dec 07 11:25:01 2012 +0000
+++ b/mbed.bld	Fri Nov 21 13:15:45 2014 +0000
@@ -1,1 +1,1 @@
-http://mbed.org/users/mbed_official/code/mbed/builds/63cdd78b2dc1
\ No newline at end of file
+http://mbed.org/users/mbed_official/code/mbed/builds/031413cf7a89
\ No newline at end of file