172 lines
6.4 KiB
C
172 lines
6.4 KiB
C
|
/**************************************************************************************************
|
|||
|
|
Filename: hal_flash.c
|
|||
|
|
Revised: $Date: 2010-10-07 02:19:52 -0700 (Thu, 07 Oct 2010) $
|
|||
|
|
Revision: $Revision: 24049 $
|
|||
|
|
|
|||
|
|
Description: This file contains the interface to the H/W Flash driver.
|
|||
|
|
|
|||
|
|
|
|||
|
|
Copyright 2006-2010 Texas Instruments Incorporated. All rights reserved.
|
|||
|
|
|
|||
|
|
IMPORTANT: Your use of this Software is limited to those specific rights
|
|||
|
|
granted under the terms of a software license agreement between the user
|
|||
|
|
who downloaded the software, his/her employer (which must be your employer)
|
|||
|
|
and Texas Instruments Incorporated (the "License"). You may not use this
|
|||
|
|
Software unless you agree to abide by the terms of the License. The License
|
|||
|
|
limits your use, and you acknowledge, that the Software may not be modified,
|
|||
|
|
copied or distributed unless embedded on a Texas Instruments microcontroller
|
|||
|
|
or used solely and exclusively in conjunction with a Texas Instruments radio
|
|||
|
|
frequency transceiver, which is integrated into your product. Other than for
|
|||
|
|
the foregoing purpose, you may not use, reproduce, copy, prepare derivative
|
|||
|
|
works of, modify, distribute, perform, display or sell this Software and/or
|
|||
|
|
its documentation for any purpose.
|
|||
|
|
|
|||
|
|
YOU FURTHER ACKNOWLEDGE AND AGREE THAT THE SOFTWARE AND DOCUMENTATION ARE
|
|||
|
|
PROVIDED <EFBFBD>AS IS<EFBFBD> WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED,
|
|||
|
|
INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY, TITLE,
|
|||
|
|
NON-INFRINGEMENT AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL
|
|||
|
|
TEXAS INSTRUMENTS OR ITS LICENSORS BE LIABLE OR OBLIGATED UNDER CONTRACT,
|
|||
|
|
NEGLIGENCE, STRICT LIABILITY, CONTRIBUTION, BREACH OF WARRANTY, OR OTHER
|
|||
|
|
LEGAL EQUITABLE THEORY ANY DIRECT OR INDIRECT DAMAGES OR EXPENSES
|
|||
|
|
INCLUDING BUT NOT LIMITED TO ANY INCIDENTAL, SPECIAL, INDIRECT, PUNITIVE
|
|||
|
|
OR CONSEQUENTIAL DAMAGES, LOST PROFITS OR LOST DATA, COST OF PROCUREMENT
|
|||
|
|
OF SUBSTITUTE GOODS, TECHNOLOGY, SERVICES, OR ANY CLAIMS BY THIRD PARTIES
|
|||
|
|
(INCLUDING BUT NOT LIMITED TO ANY DEFENSE THEREOF), OR OTHER SIMILAR COSTS.
|
|||
|
|
|
|||
|
|
Should you have any questions regarding your right to use this Software,
|
|||
|
|
contact Texas Instruments Incorporated at www.TI.com.
|
|||
|
|
**************************************************************************************************/
|
|||
|
|
|
|||
|
|
/* ------------------------------------------------------------------------------------------------
|
|||
|
|
* Includes
|
|||
|
|
* ------------------------------------------------------------------------------------------------
|
|||
|
|
*/
|
|||
|
|
|
|||
|
|
#include "hal_board_cfg.h"
|
|||
|
|
#include "hal_dma.h"
|
|||
|
|
#include "hal_flash.h"
|
|||
|
|
#include "hal_mcu.h"
|
|||
|
|
#include "hal_types.h"
|
|||
|
|
|
|||
|
|
/**************************************************************************************************
|
|||
|
|
* @fn HalFlashRead
|
|||
|
|
*
|
|||
|
|
* @brief This function reads 'cnt' bytes from the internal flash.
|
|||
|
|
*
|
|||
|
|
* input parameters
|
|||
|
|
*
|
|||
|
|
* @param pg - A valid flash page number.
|
|||
|
|
* @param offset - A valid offset into the page.
|
|||
|
|
* @param buf - A valid buffer space at least as big as the 'cnt' parameter.
|
|||
|
|
* @param cnt - A valid number of bytes to read.
|
|||
|
|
*
|
|||
|
|
* output parameters
|
|||
|
|
*
|
|||
|
|
* None.
|
|||
|
|
*
|
|||
|
|
* @return None.
|
|||
|
|
**************************************************************************************************
|
|||
|
|
*/
|
|||
|
|
void HalFlashRead(uint8 pg, uint16 offset, uint8 *buf, uint16 cnt)
|
|||
|
|
{
|
|||
|
|
// Calculate the offset into the containing flash bank as it gets mapped into XDATA.
|
|||
|
|
uint8 *pData = (uint8 *)(offset + HAL_FLASH_PAGE_MAP) +
|
|||
|
|
((pg % HAL_FLASH_PAGE_PER_BANK) * HAL_FLASH_PAGE_SIZE);
|
|||
|
|
uint8 memctr = MEMCTR; // Save to restore.
|
|||
|
|
|
|||
|
|
#if (!defined HAL_OAD_BOOT_CODE) && (!defined HAL_OTA_BOOT_CODE)
|
|||
|
|
halIntState_t is;
|
|||
|
|
#endif
|
|||
|
|
|
|||
|
|
pg /= HAL_FLASH_PAGE_PER_BANK; // Calculate the flash bank from the flash page.
|
|||
|
|
|
|||
|
|
#if (!defined HAL_OAD_BOOT_CODE) && (!defined HAL_OTA_BOOT_CODE)
|
|||
|
|
HAL_ENTER_CRITICAL_SECTION(is);
|
|||
|
|
#endif
|
|||
|
|
|
|||
|
|
// Calculate and map the containing flash bank into XDATA.
|
|||
|
|
MEMCTR = (MEMCTR & 0xF8) | pg;
|
|||
|
|
|
|||
|
|
while (cnt--)
|
|||
|
|
{
|
|||
|
|
*buf++ = *pData++;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
MEMCTR = memctr;
|
|||
|
|
|
|||
|
|
#if (!defined HAL_OAD_BOOT_CODE) && (!defined HAL_OTA_BOOT_CODE)
|
|||
|
|
HAL_EXIT_CRITICAL_SECTION(is);
|
|||
|
|
#endif
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**************************************************************************************************
|
|||
|
|
* @fn HalFlashWrite
|
|||
|
|
*
|
|||
|
|
* @brief This function writes 'cnt' bytes to the internal flash.
|
|||
|
|
*
|
|||
|
|
* input parameters
|
|||
|
|
*
|
|||
|
|
* @param addr - Valid HAL flash write address: actual addr / 4 and quad-aligned.
|
|||
|
|
* @param buf - Valid buffer space at least as big as 'cnt' X 4.
|
|||
|
|
* @param cnt - Number of 4-byte blocks to write.
|
|||
|
|
*
|
|||
|
|
* output parameters
|
|||
|
|
*
|
|||
|
|
* None.
|
|||
|
|
*
|
|||
|
|
* @return None.
|
|||
|
|
**************************************************************************************************
|
|||
|
|
*/
|
|||
|
|
void HalFlashWrite(uint16 addr, uint8 *buf, uint16 cnt)
|
|||
|
|
{
|
|||
|
|
#if (defined HAL_DMA) && (HAL_DMA == TRUE)
|
|||
|
|
halDMADesc_t *ch = HAL_NV_DMA_GET_DESC();
|
|||
|
|
|
|||
|
|
HAL_DMA_SET_SOURCE(ch, buf);
|
|||
|
|
HAL_DMA_SET_DEST(ch, &FWDATA);
|
|||
|
|
HAL_DMA_SET_VLEN(ch, HAL_DMA_VLEN_USE_LEN);
|
|||
|
|
HAL_DMA_SET_LEN(ch, (cnt * HAL_FLASH_WORD_SIZE));
|
|||
|
|
HAL_DMA_SET_WORD_SIZE(ch, HAL_DMA_WORDSIZE_BYTE);
|
|||
|
|
HAL_DMA_SET_TRIG_MODE(ch, HAL_DMA_TMODE_SINGLE);
|
|||
|
|
HAL_DMA_SET_TRIG_SRC(ch, HAL_DMA_TRIG_FLASH);
|
|||
|
|
HAL_DMA_SET_SRC_INC(ch, HAL_DMA_SRCINC_1);
|
|||
|
|
HAL_DMA_SET_DST_INC(ch, HAL_DMA_DSTINC_0);
|
|||
|
|
// The DMA is to be polled and shall not issue an IRQ upon completion.
|
|||
|
|
HAL_DMA_SET_IRQ(ch, HAL_DMA_IRQMASK_DISABLE);
|
|||
|
|
HAL_DMA_SET_M8( ch, HAL_DMA_M8_USE_8_BITS);
|
|||
|
|
HAL_DMA_SET_PRIORITY(ch, HAL_DMA_PRI_HIGH);
|
|||
|
|
HAL_DMA_CLEAR_IRQ(HAL_NV_DMA_CH);
|
|||
|
|
HAL_DMA_ARM_CH(HAL_NV_DMA_CH);
|
|||
|
|
|
|||
|
|
FADDRL = (uint8)addr;
|
|||
|
|
FADDRH = (uint8)(addr >> 8);
|
|||
|
|
FCTL |= 0x02; // Trigger the DMA writes.
|
|||
|
|
while (FCTL & 0x80); // Wait until writing is done.
|
|||
|
|
#endif
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**************************************************************************************************
|
|||
|
|
* @fn HalFlashErase
|
|||
|
|
*
|
|||
|
|
* @brief This function erases the specified page of the internal flash.
|
|||
|
|
*
|
|||
|
|
* input parameters
|
|||
|
|
*
|
|||
|
|
* @param pg - A valid flash page number to erase.
|
|||
|
|
*
|
|||
|
|
* output parameters
|
|||
|
|
*
|
|||
|
|
* None.
|
|||
|
|
*
|
|||
|
|
* @return None.
|
|||
|
|
**************************************************************************************************
|
|||
|
|
*/
|
|||
|
|
void HalFlashErase(uint8 pg)
|
|||
|
|
{
|
|||
|
|
FADDRH = pg * (HAL_FLASH_PAGE_SIZE / HAL_FLASH_WORD_SIZE / 256);
|
|||
|
|
FCTL |= 0x01;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**************************************************************************************************
|
|||
|
|
*/
|