Diff: main.cpp

Revision:

0:07ed6626e186

Child:

1:30c83d964f38

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Tue Apr 21 09:15:46 2015 +0000
@@ -0,0 +1,146 @@
+#include "mbed.h"
+#include "USBSDFileSystem.h"
+#include "USBCDCMSC.h"
+
+DigitalOut myled(LED1);
+
+USBSDFileSystem sd("sd", p5, p6, p7, p8); // the pinout on the mbed testbed board // mosi, miso, sclk, cs
+// P0_9,P0_8,P0_10,P0_7
+USBCDCMSC pc(&sd);
+
+//#define BLE
+#ifdef BLE
+//Serial pc(USBTX,USBRX); //->USBCDCMSC pc(&sd);
+Serial ble(p9,p10);
+// P0_19,P0_18
+
+//LocalFileSystem local( "local" ); //->USBSDFileSystem sd("sd", p5, p6, p7, p8); // the pinout on the mbed testbed board // mosi, miso, sclk, cs
+//#define     SOURCE_FILE         "/local/_bin"
+#define     SOURCE_FILE         "/sd/_bin"
+
+int file_size( FILE *fp );
+enum XMODEM_CONST{
+SOH = (0x01), 
+STX = (0x02),
+EOT = (0x04),
+ACK = (0x06),
+DLE = (0x10),
+NAK = (0x15),
+CAN = (0x18),
+};
+
+int main()
+{
+    uint8_t recieve;
+    uint8_t 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 == STX) {
+            ble.putc(SOH);
+            pc.putc('!');
+            break;
+        }
+    }
+    ble.putc(filesize&0xff);
+    ble.putc( (filesize>>8)&0xff);
+    while(1) {
+        recieve=ble.getc();
+        if(recieve == ACK) {
+            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(ACK);
+            pc.printf("-=-=DONE=-=-\n\r");
+            break;
+        }
+    }
+    fclose(fp);
+    myled = 1;
+    while(1) {
+        recieve=ble.getc();
+        pc.putc(recieve);
+        wait_ms(20);
+    }
+}
+
+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;
+}
+
+#else //BLE
+
+void mylog (int i)
+{
+    FILE *fp = fopen("/sd/mydir/sdtest.txt", "a");
+    if(fp == NULL) {
+        pc.printf("Could not open file for write\n");
+    } else
+    {
+      fprintf(fp, "[%d]Hello fun SD Card World!\n", i);
+      pc.printf("appending: '[%d]Hello fun SD Card World!'\n", i);
+      fclose(fp); 
+    }
+}
+
+int main() 
+{
+    sd.usbMode (1); // allow fopen/fprintf when connected with USB-drive.
+    pc.printf("Hello World!\n\n");   
+    
+    pc.printf("now a USB drive should appear on your PC\n");
+    wait (60);
+       
+    pc.printf("create directory and append to log file\n");
+    mkdir("/sd/mydir", 0777);
+    mylog (0);    
+
+    pc.printf("Entering loop of 1 min cycle time\n");
+
+    int i = 1;
+    while(1) {
+        myled = 0;
+        wait(5);        
+        //sd.disconnect ();
+        mylog (i++);
+        //sd.connect ();
+        myled = 1;
+        wait(55);
+    }
+    return 0;
+}
+#endif //BLE