CLEON  Version 1
Cloud-Offloaded GPS Receiver
hal_flash.c
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1 
7 #include "cleon_conf.h"
8 #include "app_define.h"
9 #include "sys_define.h"
10 #include "hal_define.h"
11 #include "fs_define.h"
12 
13 /*----------------------------------------------------------------------------*/
21 void HAL_FLASH_Init(void)
22 {
23 #if ERASE_INTERNAL_FLASH_ON_RESET == _ENABLE_
24  HAL_FLASH_EraseBank((unsigned long *)MSP430_INTERNAL_FLASH_BANK1_ADDRESS);
25  HAL_FLASH_EraseBank((unsigned long *)MSP430_INTERNAL_FLASH_BANK2_ADDRESS);
26  HAL_FLASH_EraseBank((unsigned long *)MSP430_INTERNAL_FLASH_BANK3_ADDRESS);
27 #endif
28 }
29 
30 /*----------------------------------------------------------------------------*/
40 void HAL_FLASH_Write(unsigned int uiSize, unsigned char *ptrucSource, unsigned char *ptrucDestination)
41 {
42  FCTL3 = FWKEY; // Clear Lock bit
43  FCTL1 = FWKEY + WRT; // Enable byte/word write mode
44 
45  while (uiSize > 0) {
46  while (FCTL3 & BUSY); // test busy
47  *ptrucDestination++ = *ptrucSource++; // Write to Flash
48  uiSize--;
49  }
50 
51  FCTL1 = FWKEY; // Clear Erase bit
52  FCTL3 = FWKEY + LOCK; // Set LOCK bit
53 }
54 
55 /*----------------------------------------------------------------------------*/
63 void HAL_FLASH_EraseSegment(unsigned long *ptrulDestination)
64 {
65  FCTL3 = FWKEY; // Clear Lock bit
66  FCTL1 = FWKEY + ERASE; // Set Erase bit
67  *ptrulDestination = 0; // Dummy write to erase Flash seg
68  while (FCTL3 & BUSY); // test busy
69  FCTL1 = FWKEY; // Clear WRT bit
70  FCTL3 = FWKEY + LOCK; // Set LOCK bit
71 }
72 
73 /*----------------------------------------------------------------------------*/
81 void HAL_FLASH_EraseBank(unsigned long *ptrulDestination)
82 {
83  FCTL3 = FWKEY; // Clear Lock bit
84  FCTL1 = FWKEY + MERAS; // Set Erase bit
85  *ptrulDestination = 0; // Dummy write to erase Flash seg
86  while (FCTL3 & BUSY); // test busy
87  FCTL1 = FWKEY; // Clear WRT bit
88  FCTL3 = FWKEY + LOCK; // Set LOCK bit
89 }