Sample program showing a software method to initiate reload and subsequent reset of the target without pressing the reset button.

Dependencies:   mbed

Files at this revision

API Documentation at this revision

Comitter:
peterand
Date:
Wed Feb 15 15:27:25 2012 +0000
Commit message:

Changed in this revision

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
diff -r 000000000000 -r 0230dff6c24f main.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Wed Feb 15 15:27:25 2012 +0000
@@ -0,0 +1,44 @@
+#include "mbed.h"
+
+/* connect a "wedge" between an arbitrary digital pin (p5 in this example) and nR (pin4)*/
+
+Serial pc(USBTX, USBRX);
+DigitalInOut reset(p5);
+LocalFileSystem local("local"); 
+//FILE *fp;
+
+int main() {
+
+    pc.baud(115200);
+    char filename[64];    
+    int n = 0;
+
+    while(1) {
+        sprintf(filename, "/local/reset%03d.txt", n);   
+        FILE *fp = fopen(filename, "r");               
+        if(fp == NULL) {                                
+            break;
+        }
+        fclose(fp);                                    
+        n++;                                          
+    }
+    
+    FILE *fp = fopen(filename, "w");
+    fprintf(fp, "Reset # %d\n", n);
+    fclose(fp);
+    
+    pc.printf("\nThis was reset # %u\n", n);  
+    pc.printf("Press 'R' to reset (and reload) the target\n");
+    
+    while(1) {
+        if (pc.readable()){
+            char c = pc.getc();
+            if(c== 'R'){
+                pc.printf("\nReset! Bye, bye...\n");
+                reset.output();
+/*              reset.write(0);   not necessary*/
+            }
+            else pc.printf("Got %c\n",c); 
+        }
+    }
+}    
\ No newline at end of file
diff -r 000000000000 -r 0230dff6c24f mbed.bld
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Wed Feb 15 15:27:25 2012 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/mbed/builds/63bcd7ba4912