Diff: main.cpp

Revision:

0:08d27693851c

Child:

1:26c972ffac64

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Wed Oct 22 09:58:22 2014 +0000
@@ -0,0 +1,85 @@
+#include "mbed.h"
+
+DigitalOut myled(LED1);
+
+Serial pc(USBTX,USBRX);
+Serial ble(p28,p27);
+
+LocalFileSystem local( "local" );
+
+#define     SOURCE_FILE         "/local/_bin"
+
+int file_size( FILE *fp );
+
+int main()
+{
+    char recieve;
+    char read;
+    int filesize=0;
+    FILE* fp;
+    ble.baud(57600);
+    int crc=0x00;
+    
+    if ( NULL == (fp = fopen( SOURCE_FILE, "rb" )) ) {
+        exit(1);
+//        return ( ERROR_AT_FILE_OPEN );
+    }else{
+        filesize=file_size(fp);
+        pc.printf("0x%04X\n\r",filesize);
+    }
+
+    while(1) {
+        recieve=ble.getc();
+        if(recieve == 0x02) {
+            ble.putc(0x01);
+            pc.putc('!');
+            break;
+        }
+    }
+    ble.putc(filesize&0xff);
+    ble.putc( (filesize>>8)&0xff);
+    while(1) {
+        recieve=ble.getc();
+        if(recieve == 0x06) {
+            pc.printf("ok!\n\r");
+//            ble.putc(0x01);
+            break;
+        }
+    }
+    for(int i=0;i<filesize;i++){
+        read=getc(fp);
+        ble.putc(read);
+        crc=crc^read;
+        if((i%16)==0){
+            pc.printf("\n\r");
+        }
+        pc.printf("%02X ",read);
+    }
+    pc.printf("\n\r0x%02X ",crc);
+    while(1) {
+        recieve=ble.getc();
+        if(recieve == crc) {
+            ble.putc(0x06);
+            pc.printf("-=-=DONE=-=-\n\r");
+            break;
+        }
+    }
+    fp.close();
+    while(1) {
+        myled = 1;
+        wait(0.2);
+        myled = 0;
+        wait(0.2);
+    }
+}
+
+int file_size( FILE *fp )
+{
+    int     size;
+
+    fseek( fp, 0, SEEK_END ); // seek to end of file
+    size    = ftell( fp );    // get current file pointer
+    fseek( fp, 0, SEEK_SET ); // seek back to beginning of file
+
+    return size;
+}