/*********************************************************************
* @fn OADTarget_eraseFlash
*
* @brief Erase selected flash page.
*
* @param page - the page to erase.
*
* @return None.
*/
void OADTarget_eraseFlash(uint8_t page)
{
OADTarget_disableCache();
ROM_FlashSectorErase((uint32_t)FLASH_ADDRESS(page, 0));
OADTarget_enableCache();
}
/*********************************************************************
* @fn OADTarget_writeFlash
*
* @brief Write data to flash.
*
* @param page - page to write to in flash
* @param offset - offset into flash page to begin writing
* @param pBuf - pointer to buffer of data to write
* @param len - length of data to write in bytes
*
* @return None.
*/
void OADTarget_writeFlash(uint8_t page, uint32_t offset, uint8_t *pBuf,
uint16_t len)
{
OADTarget_disableCache();
ROM_FlashProgram( pBuf, (uint32_t)FLASH_ADDRESS(page, offset), len );
OADTarget_enableCache();
}
/*********************************************************************
* @fn OADTarget_eraseFlash
*
* @brief Erase selected flash page.
*
* @param page - the page to erase.
*
* @return None.
*/
void OADTarget_eraseFlash(uint8_t page)
{
uint8_t cacheState;
cacheState = OADTarget_disableCache();
FlashSectorErase((uint32_t)FLASH_ADDRESS(page, 0));
OADTarget_enableCache(cacheState);
}
/*********************************************************************
* @fn OADTarget_readFlash
*
* @brief Read data from flash.
*
* @param page - page to read from in flash
* @param offset - offset into flash page to begin reading
* @param pBuf - pointer to buffer into which data is read.
* @param len - length of data to read in bytes.
*
* @return None.
*/
void OADTarget_readFlash(uint8_t page, uint32_t offset, uint8_t *pBuf,
uint16_t len)
{
halIntState_t cs;
uint8_t *ptr = (uint8_t *)FLASH_ADDRESS(page, offset);
// Enter critical section.
HAL_ENTER_CRITICAL_SECTION(cs);
// Read from pointer into buffer.
while (len--)
{
*pBuf++ = *ptr++;
}
// Exit critical section.
HAL_EXIT_CRITICAL_SECTION(cs);
}
/*********************************************************************
* @fn OADTarget_eraseFlash
*
* @brief Erase selected flash page.
*
* @param page - the page to erase.
*
* @return None.
*/
void OADTarget_eraseFlash(uint8_t page)
{
extFlashErase(FLASH_ADDRESS(page,0), HAL_FLASH_PAGE_SIZE);
}
/*********************************************************************
* @fn OADTarget_writeFlash
*
* @brief Write data to flash.
*
* @param page - page to write to in flash
* @param offset - offset into flash page to begin writing
* @param pBuf - pointer to buffer of data to write
* @param len - length of data to write in bytes
*
* @return None.
*/
void OADTarget_writeFlash(uint8_t page, uint32_t offset, uint8_t *pBuf,
uint16_t len)
{
extFlashWrite(FLASH_ADDRESS(page,offset), len, pBuf);
}
/*********************************************************************
* @fn OADTarget_readFlash
*
* @brief Read data from flash.
*
* @param page - page to read from in flash
* @param offset - offset into flash page to begin reading
* @param pBuf - pointer to buffer into which data is read.
* @param len - length of data to read in bytes.
*
* @return None.
*/
void OADTarget_readFlash(uint8_t page, uint32_t offset, uint8_t *pBuf,
uint16_t len)
{
extFlashRead(FLASH_ADDRESS(page,offset), len, pBuf);
}
/*********************************************************************
* @fn OADTarget_getCurrentImageHeader
*
* @brief Get the current image's header.
*
* @param pValue - pointer to the new image header
*
* @return none
*/
void OADTarget_getCurrentImageHeader(img_hdr_t *pHdr)
{
memcpy((uint8_t *)pHdr,
(uint8_t *)FLASH_ADDRESS(OAD_IMG_R_PAGE, OAD_IMG_R_OSET + OAD_IMG_HDR_OSET),
sizeof(img_hdr_t));
}
uint32_t getFlashMemIndex(uint32_t address)
{
return(FLASH_ADDRESS(ROW_WITHIN_FLASH(address), OFFSET_ADDRESS(address)));
}
