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PIC24 programming support #1

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12 changes: 11 additions & 1 deletion hex.c
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Original file line number Diff line number Diff line change
Expand Up @@ -63,6 +63,16 @@ void hexSetBytesPerAddress(unsigned char bytes)
bytesPerAddress = bytes;
}

/****************************************************************************
Function : hexGetBytesPerAddress
Description : returns set byte width
Parameters : Nothing (void)
Returns : unsigned char Bytes per address
****************************************************************************/
unsigned char hexGetBytesPerAddress(void){
return bytesPerAddress;
}

/****************************************************************************
Function : hexOpen
Description : Open and memory-map an Intel hex file.
Expand Down Expand Up @@ -124,7 +134,7 @@ static int verifyBlockProgrammable( unsigned int *addr, char *len )

/* calc if first or last address is in this block */
MA = devQuery.mem[ i ].Address;
ML = devQuery.mem[ i ].Length;
ML = devQuery.mem[ i ].Length * bytesPerAddress;
isA = ( *addr >= MA ) && ( *addr < MA + ML );
isL = ( *addr + *len > MA ) && ( *addr + *len <= MA + ML );

Expand Down
23 changes: 11 additions & 12 deletions main.c
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Expand Up @@ -165,22 +165,15 @@ int main(

/* And start doing stuff... */

(void)printf("USB HID device found");
(void)printf("USB HID device found\n");
usbBuf[0] = QUERY_DEVICE;
if(ERR_NONE == (status = usbWrite(1,1))) {
memcpy( &devQuery, usbBuf, 64 );
i = 0;
while ( devQuery.mem[ i ].Type != TypeEndOfTypeList ) i++;
devQuery.memBlocks = i;
for ( i = 0; i < devQuery.memBlocks; i++ ) {
devQuery.mem[i].Address = convertEndian(devQuery.mem[i].Address);
devQuery.mem[i].Length = convertEndian(devQuery.mem[i].Length);
if(devQuery.mem[i].Type == TypeProgramMemory) {
(void)printf(": %d bytes free\n",devQuery.mem[i].Length);
}
}

(void)printf("Device family: ");

(void)printf("Device family: ");
switch (devQuery.DeviceFamily)
{
case DEVICE_FAMILY_PIC18:
Expand All @@ -200,8 +193,14 @@ int main(
(void)printf("Unknown. Bytes per address set to 1.\n");
break;
}


(void)printf("Memory");
for ( i = 0; i < devQuery.memBlocks; i++ ) {
devQuery.mem[i].Address = convertEndian(devQuery.mem[i].Address);
devQuery.mem[i].Length = convertEndian(devQuery.mem[i].Length);
if(devQuery.mem[i].Type == TypeProgramMemory) {
(void)printf(": %d bytes free, addr: %04x, total %d\n",devQuery.mem[i].Length*hexGetBytesPerAddress(),devQuery.mem[i].Address,devQuery.memBlocks);
}
}
}
(void)putchar('\n');

Expand Down
2 changes: 2 additions & 0 deletions mphidflash.h
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Expand Up @@ -116,6 +116,7 @@ typedef enum
ERR_EOL /* End-of-list, not actual error code */
} ErrorCode;


/* Function prototypes */

extern ErrorCode
Expand All @@ -127,6 +128,7 @@ extern void
hexClose(void),
usbClose(void),
hexSetBytesPerAddress(unsigned char);
extern unsigned char hexGetBytesPerAddress(void);

#pragma pack( push )
#pragma pack( 1 )
Expand Down