/*-----------------------------------------------------------------------------
* program flash
*/
bool FlashProgram(uint16_t wordAddr, uint16_t *pBuf, uint16_t numWords) {
uint16_t page;
uint16_t startPage;
uint16_t endPage;
uint16_t wordOffset; /* word offset within page */
uint8_t numPageWords;
int flags;
if ((wordAddr + numWords) > FIRMWARE_WORD_SIZE) {
return false;
}
flags = DISABLE_INT;
startPage = wordAddr & ~(PAGE_WORD_SIZE - 1);
endPage = (wordAddr + numWords - 1) & ~(PAGE_WORD_SIZE - 1);
wordOffset = wordAddr - startPage;
if ((startPage != sActualProgramingPage) &&
(sActualProgramingPage != INV_PAGE)) {
/* if continue in other page, program current buffer */
FlashProgramPagePuffer(sActualProgramingPage);
}
for (page = startPage; page <= endPage; page += PAGE_WORD_SIZE) {
numPageWords = min(PAGE_WORD_SIZE - wordOffset, numWords);
numWords -= numPageWords;
FlashFillPagePuffer(wordOffset, pBuf, numPageWords);
if ((wordOffset + numPageWords) == PAGE_WORD_SIZE) {
/* buffer is full -> program page */
FlashProgramPagePuffer(page);
sActualProgramingPage = INV_PAGE; /* next page not yet known */
} else {
sActualProgramingPage = page;
}
pBuf += numPageWords;
wordOffset = 0;
}
RESTORE_INT(flags);
return true;
}
/*-----------------------------------------------------------------------------
* Flash programmieren
*/
BOOL FlashProgram(UINT16 wordAddr, UINT16 *pBuf, UINT16 numWords) {
UINT16 page;
UINT16 startPage;
UINT16 endPage;
UINT16 wordOffset; /* wordoffset innerhalb page */
UINT8 numPageWords;
int flags;
if ((wordAddr + numWords) > FIRMWARE_WORD_SIZE) {
return FALSE;
}
flags = DISABLE_INT;
startPage = wordAddr & ~(PAGE_WORD_SIZE -1);
endPage = (wordAddr + numWords - 1) & ~(PAGE_WORD_SIZE -1);
wordOffset = wordAddr - startPage;
if ((startPage != sActualProgramingPage) &&
(sActualProgramingPage != INV_PAGE)) {
/* zuvor teilgefüllte Page programmieren falls in anderer Page fortgesetzt wird */
FlashProgramPagePuffer(sActualProgramingPage);
}
for (page = startPage; page <= endPage; page += PAGE_WORD_SIZE) {
numPageWords = min(PAGE_WORD_SIZE - wordOffset, numWords);
numWords -= numPageWords;
FlashFillPagePuffer(wordOffset, pBuf, numPageWords);
if ((wordOffset + numPageWords) == PAGE_WORD_SIZE) {
/* bei gefülltem Pagepuffer -> Pagepuffer programmieren */
FlashProgramPagePuffer(page);
sActualProgramingPage = INV_PAGE; /* nächste Page ist beliebig */
} else {
sActualProgramingPage = page;
}
pBuf += numPageWords;
wordOffset = 0;
}
RESTORE_INT(flags);
return TRUE;
}
/*-----------------------------------------------------------------------------
* terminate flash programing
*/
bool FlashProgramTerminate(void) {
int flags;
if (sActualProgramingPage != INV_PAGE) {
/* program current page */
flags = DISABLE_INT;
FlashProgramPagePuffer(sActualProgramingPage);
RESTORE_INT(flags);
}
return true;
}
/*-----------------------------------------------------------------------------
* Flashprogrammierung abschließen
*/
BOOL FlashProgramTerminate(void) {
int flags;
if (sActualProgramingPage != INV_PAGE) {
/* nooch im Puffer befindliche Page programmieren */
flags = DISABLE_INT;
FlashProgramPagePuffer(sActualProgramingPage);
RESTORE_INT(flags);
}
return TRUE;
}