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+/******************************************************************************* |
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+ * |
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+ * HAL_FLASH.c |
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+ * Flash Library for flash memory controller of MSP430F5xx/6xx family |
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+ * |
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+ * |
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+ * Copyright (C) 2010 Texas Instruments Incorporated - http://www.ti.com/ |
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+ * |
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+ * |
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+ * Redistribution and use in source and binary forms, with or without |
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+ * modification, are permitted provided that the following conditions |
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+ * are met: |
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+ * |
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+ * Redistributions of source code must retain the above copyright |
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+ * notice, this list of conditions and the following disclaimer. |
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+ * |
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+ * Redistributions in binary form must reproduce the above copyright |
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+ * notice, this list of conditions and the following disclaimer in the |
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+ * documentation and/or other materials provided with the |
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+ * distribution. |
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+ * |
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+ * Neither the name of Texas Instruments Incorporated nor the names of |
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+ * its contributors may be used to endorse or promote products derived |
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+ * from this software without specific prior written permission. |
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+ * |
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+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
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+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
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+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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+ * |
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+ * Created: Version 1.0 11/24/2009 |
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+ * Updated: Version 2.0 01/18/2011 |
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+ * |
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+ ******************************************************************************/ |
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+ |
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+#include "msp430.h" |
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+#include "HAL_FLASH.h" |
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+ |
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+void Flash_SegmentErase(unsigned int *Flash_ptr) |
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+{ |
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+ FCTL3 = FWKEY; // Clear Lock bit |
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+ FCTL1 = FWKEY + ERASE; // Set Erase bit |
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+ *Flash_ptr = 0; // Dummy write to erase Flash seg |
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+ while (FCTL3 & BUSY); // test busy |
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+ FCTL1 = FWKEY; // Clear WRT bit |
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+ FCTL3 = FWKEY + LOCK; // Set LOCK bit |
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+} |
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+ |
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+unsigned char Flash_EraseCheck(unsigned int *Flash_ptr, unsigned int len) |
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+{ |
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+ unsigned int i; |
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+ |
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+ for (i = 0; i < len; i++) { // was erasing successfull? |
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+ if (*(Flash_ptr + i) != 0xFF) { |
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+ return FLASH_STATUS_ERROR; |
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+ } |
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+ } |
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+ |
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+ return FLASH_STATUS_OK; |
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+} |
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+ |
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+void FlashWrite_8(unsigned char *Data_ptr, unsigned char *Flash_ptr, unsigned int count) |
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+{ |
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+ FCTL3 = FWKEY; // Clear Lock bit |
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+ FCTL1 = FWKEY+WRT; // Enable byte/word write mode |
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+ |
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+ while (count > 0) { |
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+ while (FCTL3 & BUSY); // test busy |
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+ *Flash_ptr++ = *Data_ptr++; // Write to Flash |
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+ count--; |
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+ } |
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+ |
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+ FCTL1 = FWKEY; // Clear write bit |
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+ FCTL3 = FWKEY + LOCK; // Set LOCK bit |
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+} |
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+ |
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+void FlashWrite_16(unsigned int *Data_ptr, unsigned int *Flash_ptr, unsigned int count) |
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+{ |
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+ FCTL3 = FWKEY; // Clear Lock bit |
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+ FCTL1 = FWKEY+WRT; // Enable byte/word write mode |
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+ |
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+ while (count > 0) { |
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+ while (FCTL3 & BUSY); // test busy |
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+ *Flash_ptr++ = *Data_ptr++; // Write to Flash |
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+ count--; |
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+ } |
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+ |
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+ FCTL1 = FWKEY; // Clear Erase bit |
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+ FCTL3 = FWKEY + LOCK; // Set LOCK bit |
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+} |
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+ |
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+void FlashWrite_32(unsigned long *Data_ptr, unsigned long *Flash_ptr, unsigned int count) |
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+{ |
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+ FCTL3 = FWKEY; // Clear Lock bit |
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+ FCTL1 = FWKEY + BLKWRT; // Enable long-word write |
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+ |
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+ while (count > 0) { |
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+ while (FCTL3 & BUSY); // test busy |
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+ *Flash_ptr++ = *Data_ptr++; // Write to Flash |
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+ count--; |
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+ } |
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+ |
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+ FCTL1 = FWKEY; // Clear Erase bit |
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+ FCTL3 = FWKEY + LOCK; // Set LOCK bit |
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+} |
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+ |
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+void FlashMemoryFill_32(unsigned long value, unsigned long *Flash_ptr, unsigned int count) |
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+{ |
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+ FCTL3 = FWKEY; // Clear Lock bit |
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+ FCTL1 = FWKEY + BLKWRT; // Enable long-word write |
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+ |
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+ while (count > 0) { |
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+ while (FCTL3 & BUSY); // test busy |
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+ *Flash_ptr++ = value; // Write to Flash |
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+ count--; |
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+ } |
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+ |
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+ FCTL1 = FWKEY; // Clear Erase bit |
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+ FCTL3 = FWKEY + LOCK; // Set LOCK bit |
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+} |