Diff: main.cpp

Revision:

0:29abe3c0b902

Child:

1:4b883042df7d

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Tue Apr 28 10:53:26 2015 +0000
@@ -0,0 +1,116 @@
+#include "mbed.h"
+
+#define ATMEGA88A 1
+#include "AVRISP.h"
+
+#define FUSE_LOW            0xD0
+#define FUSE_HIGH           0xD9
+#define FUSE_EXTENDED       0xFF
+#define LOCK_BYTE           0xFF
+
+//most chips use by default the internal 8Mhz clock with DIV8 fuse so 1Mhz seems a good starting point
+#define TARGET_CLK 1000000L
+
+Serial pc(USBTX, USBRX);
+DigitalOut led1(LED1);
+
+void ProgressLed()
+{
+    led1 = !led1;
+    pc.printf(".");
+}
+
+#define ERROR -1
+
+int main()
+{
+    int result = ERROR;
+    uint8_t  signatureByte1 = 0xff,signatureByte2 = 0xff,signatureByte3 = 0xff;
+    bool ProgMode = false;
+    AVRISP *avrisp = NULL;
+    LocalFileSystem local("local");
+    FILE * hexFile = fopen("/local/avr.hex","r");
+    
+    if(!hexFile){
+      pc.printf("Unable to load avr.hex file\n");
+      goto exit;
+    }
+      
+    avrisp = new AVRISP(p5,p6,p7,p8, TARGET_CLK, PAGE_SIZE, &ProgressLed);
+    //pc.printf("Press any button to program the AVR.\n");
+    //char c = pc.getc();
+    
+    pc.printf("Enter Programming Mode: ");
+    ProgMode = avrisp->EnableProgrammingMode();
+    if(ProgMode) {
+        pc.printf(" Successful.\n");
+    } else {
+        pc.printf(" Failed.\n");
+        goto exit;
+    }
+    
+    signatureByte1 = avrisp->ReadChipSignatureByte( AVRISP::eSB1 );
+    signatureByte2 = avrisp->ReadChipSignatureByte( AVRISP::eSB2 );
+    signatureByte3 = avrisp->ReadChipSignatureByte( AVRISP::eSB3 );
+    if ( signatureByte1 != SIGNATURE_BYTE_1 || signatureByte2 != SIGNATURE_BYTE_2 || signatureByte3 != SIGNATURE_BYTE_3 ) {
+        pc.printf("Chip signature mismatch 0x%02x 0x%02x 0x%02x\n",signatureByte1,signatureByte2,signatureByte3);        
+        goto exit;
+    }
+    
+    pc.printf("Erasing Chip: ");
+    avrisp->ChipErase();
+    pc.printf(" Done\n");
+    
+    /*pc.printf("Write Fuse Low Byte.\n");
+    avrisp.WriteFuseLow(FUSE_LOW);
+    pc.printf("Fuse Low Byte Readback = %x.\n",avrisp.ReadFuseLow());
+    
+    pc.printf("Write Fuse High Byte.\n");
+    avrisp.WriteFuseLow(FUSE_HIGH);
+    pc.printf("Fuse High Byte Readback = %x.\n",avrisp.ReadFuseHigh());
+    
+    pc.printf("Write Fuse Extended Byte.\n");
+    avrisp.WriteFuseLow(FUSE_EXTENDED);
+    pc.printf("Fuse Extended Byte Readback = %x.\n",avrisp.ReadFuseExtended());
+    
+    pc.printf("Write Lock Byte.\n");
+    avrisp.WriteLockByte(LOCK_BYTE);
+    pc.printf("Lock Byte Readback = %x.\n",avrisp.ReadLockByte());    */
+    
+ 
+    pc.printf("Programing Flash:");
+    if(avrisp->ProgramFlash(hexFile))   {            
+        pc.printf(" Complete.\n");
+        //verify programming
+        pc.printf("Verifying Flash:");
+        rewind(hexFile);
+        if( avrisp->VerifyFlash(hexFile) )  {
+            pc.printf(" Complete.\n");                
+        } else {
+            pc.printf(" Failed.\n");
+            goto exit;
+        }
+    } else {
+        pc.printf("Failed.\n");
+    }
+    
+    avrisp->LeaveProgrammingMode();
+
+    while(true)
+      __WFI();
+
+exit:    
+    if(ProgMode)
+        avrisp->LeaveProgrammingMode();
+    
+    if(avrisp){
+        delete avrisp;
+        avrisp = NULL;
+    }
+    
+    if (hexFile)
+        fclose(hexFile);        
+    
+    
+    return result;
+}