uchar usbFunctionWrite(uchar *data, uchar len) {
uchar retVal = 0;
uchar i;
/* check if programmer is in correct write state */
if ((prog_state != PROG_STATE_WRITEFLASH) &&
(prog_state != PROG_STATE_WRITEEEPROM)) {
return 0xff;
}
for (i = 0; i < len; i++) {
if (prog_state == PROG_STATE_WRITEFLASH) {
/* Flash */
if (prog_pagesize == 0) {
/* not paged */
ispWriteFlash(prog_address, data[i], 1);
} else {
/* paged */
ispWriteFlash(prog_address, data[i], 0);
prog_pagecounter --;
if (prog_pagecounter == 0) {
ispFlushPage(prog_address, data[i]);
prog_pagecounter = prog_pagesize;
}
}
} else {
/* EEPROM */
ispWriteEEPROM(prog_address, data[i]);
}
prog_nbytes --;
if (prog_nbytes == 0) {
prog_state = PROG_STATE_IDLE;
if ((prog_blockflags & PROG_BLOCKFLAG_LAST) &&
(prog_pagecounter != prog_pagesize)) {
/* last block and page flush pending, so flush it now */
ispFlushPage(prog_address, data[i]);
}
retVal = 1; // Need to return 1 when no more data is to be received
}
prog_address ++;
}
return retVal;
}
uchar usbFunctionWrite(uchar *data, uchar len)
{
uchar retVal = 0;
uchar i;
// check if programmer is in correct write state
if (
(prog_state != PROG_STATE_WRITEFLASH)
&&(prog_state != PROG_STATE_WRITEEEPROM)
&&(prog_state != STATE_WRITE_CDC)
&&(prog_state != STATE_SET_CDC_MODE)
)
return 0xff;
for (i = 0; i < len; i++)
{
if (prog_state == PROG_STATE_WRITEFLASH)
{
if (prog_pagesize == 0)
ispWriteFlash(prog_address, data[i], 1);
else
ispWriteFlash(prog_address, data[i], 0);
prog_pagecounter --;
if (prog_pagecounter == 0)
{
ispFlushPage(prog_address, data[i]);
prog_pagecounter = prog_pagesize;
}
prog_nbytes --;
}
else if (prog_state == PROG_STATE_WRITEEEPROM)
{
ispWriteEEPROM(prog_address, data[i]);
prog_nbytes --;
}
else if (prog_state == STATE_WRITE_CDC)
Oncharrecived(data[i]);
else if (prog_state == STATE_SET_CDC_MODE)
CDC_mode[i] = data[i];
if (prog_nbytes == 0)
{
prog_state = PROG_STATE_IDLE;
if ((prog_blockflags & PROG_BLOCKFLAG_LAST) && (prog_pagecounter != prog_pagesize))
ispFlushPage(prog_address, data[i]);
retVal = 1; // Need to return 1 when no more data is to be received
}
prog_address ++;
}
if (prog_state == STATE_SET_CDC_MODE)
prog_state = PROG_STATE_IDLE;
return retVal;
}