BeRTOS
stm32_flash.h
Go to the documentation of this file.
00001 
00036 #ifndef STM32_FLASH_H
00037 #define STM32_FLASH_H
00038 
00039 #include <cfg/compiler.h>
00040 
00041 #include <cpu/types.h>
00042 
00044 #define F_SIZE                   ((*(reg32_t *) 0x1FFFF7E0) & 0xFFFF)
00045 
00046 
00047 /* Flash Access Control Register bits */
00048 #define ACR_LATENCY_MASK         ((uint32_t)0x00000038)
00049 #define ACR_HLFCYA_MASK          ((uint32_t)0xFFFFFFF7)
00050 #define ACR_PRFTBE_MASK          ((uint32_t)0xFFFFFFEF)
00051 
00052 /* Flash Access Control Register bits */
00053 #define ACR_PRFTBS_MASK          ((uint32_t)0x00000020)
00054 
00055 /* Flash Control Register bits */
00056 #define CR_PG_SET                ((uint32_t)0x00000001)
00057 #define CR_PG_RESET              ((uint32_t)0x00001FFE)
00058 
00059 #define CR_PER_SET               ((uint32_t)0x00000002)
00060 #define CR_PER_RESET             ((uint32_t)0x00001FFD)
00061 
00062 #define CR_MER_SET               ((uint32_t)0x00000004)
00063 #define CR_MER_RESET             ((uint32_t)0x00001FFB)
00064 
00065 #define CR_OPTPG_SET             ((uint32_t)0x00000010)
00066 #define CR_OPTPG_RESET           ((uint32_t)0x00001FEF)
00067 
00068 #define CR_OPTER_SET             ((uint32_t)0x00000020)
00069 #define CR_OPTER_RESET           ((uint32_t)0x00001FDF)
00070 
00071 #define CR_STRT_SET              ((uint32_t)0x00000040)
00072 
00073 #define CR_LOCK_SET              ((uint32_t)0x00000080)
00074 
00075 /* FLASH Mask */
00076 #define RDPRT_MASK               ((uint32_t)0x00000002)
00077 #define WRP0_MASK                ((uint32_t)0x000000FF)
00078 #define WRP1_MASK                ((uint32_t)0x0000FF00)
00079 #define WRP2_MASK                ((uint32_t)0x00FF0000)
00080 #define WRP3_MASK                ((uint32_t)0xFF000000)
00081 
00082 /* FLASH Keys */
00083 #define RDP_KEY                  ((uint16_t)0x00A5)
00084 #define FLASH_KEY1               ((uint32_t)0x45670123)
00085 #define FLASH_KEY2               ((uint32_t)0xCDEF89AB)
00086 
00087 /* Flash Latency */
00088 #define FLASH_LATENCY_0                ((uint32_t)0x00000000)  /* FLASH Zero Latency cycle */
00089 #define FLASH_LATENCY_1                ((uint32_t)0x00000001)  /* FLASH One Latency cycle */
00090 #define FLASH_LATENCY_2                ((uint32_t)0x00000002)  /* FLASH Two Latency cycles */
00091 
00092 /* Half Cycle Enable/Disable */
00093 #define FLASH_HALFCYCLEACCESS_ENABLE   ((uint32_t)0x00000008)  /* FLASH Half Cycle Enable */
00094 #define FLASH_HALFCYCLEACCESS_DISABLE  ((uint32_t)0x00000000)  /* FLASH Half Cycle Disable */
00095 
00096 /* Prefetch Buffer Enable/Disable */
00097 #define FLASH_PREFETCHBUFFER_ENABLE    ((uint32_t)0x00000010)  /* FLASH Prefetch Buffer Enable */
00098 #define FLASH_PREFETCHBUFFER_DISABLE   ((uint32_t)0x00000000)  /* FLASH Prefetch Buffer Disable */
00099 
00100 /* Option Bytes Write Protection */
00101 #define FLASH_WRPROT_PAGES0TO3      ((uint32_t)0x00000001) /* Write protection of page 0 to 3 */
00102 #define FLASH_WRPROT_PAGES4TO7      ((uint32_t)0x00000002) /* Write protection of page 4 to 7 */
00103 #define FLASH_WRPROT_PAGES8TO11     ((uint32_t)0x00000004) /* Write protection of page 8 to 11 */
00104 #define FLASH_WRPROT_PAGES12TO15    ((uint32_t)0x00000008) /* Write protection of page 12 to 15 */
00105 #define FLASH_WRPROT_PAGES16TO19    ((uint32_t)0x00000010) /* Write protection of page 16 to 19 */
00106 #define FLASH_WRPROT_PAGES20TO23    ((uint32_t)0x00000020) /* Write protection of page 20 to 23 */
00107 #define FLASH_WRPROT_PAGES24TO27    ((uint32_t)0x00000040) /* Write protection of page 24 to 27 */
00108 #define FLASH_WRPROT_PAGES28TO31    ((uint32_t)0x00000080) /* Write protection of page 28 to 31 */
00109 #define FLASH_WRPROT_PAGES32TO35    ((uint32_t)0x00000100) /* Write protection of page 32 to 35 */
00110 #define FLASH_WRPROT_PAGES36TO39    ((uint32_t)0x00000200) /* Write protection of page 36 to 39 */
00111 #define FLASH_WRPROT_PAGES40TO43    ((uint32_t)0x00000400) /* Write protection of page 40 to 43 */
00112 #define FLASH_WRPROT_PAGES44TO47    ((uint32_t)0x00000800) /* Write protection of page 44 to 47 */
00113 #define FLASH_WRPROT_PAGES48TO51    ((uint32_t)0x00001000) /* Write protection of page 48 to 51 */
00114 #define FLASH_WRPROT_PAGES52TO55    ((uint32_t)0x00002000) /* Write protection of page 52 to 55 */
00115 #define FLASH_WRPROT_PAGES56TO59    ((uint32_t)0x00004000) /* Write protection of page 56 to 59 */
00116 #define FLASH_WRPROT_PAGES60TO63    ((uint32_t)0x00008000) /* Write protection of page 60 to 63 */
00117 #define FLASH_WRPROT_PAGES64TO67    ((uint32_t)0x00010000) /* Write protection of page 64 to 67 */
00118 #define FLASH_WRPROT_PAGES68TO71    ((uint32_t)0x00020000) /* Write protection of page 68 to 71 */
00119 #define FLASH_WRPROT_PAGES72TO75    ((uint32_t)0x00040000) /* Write protection of page 72 to 75 */
00120 #define FLASH_WRPROT_PAGES76TO79    ((uint32_t)0x00080000) /* Write protection of page 76 to 79 */
00121 #define FLASH_WRPROT_PAGES80TO83    ((uint32_t)0x00100000) /* Write protection of page 80 to 83 */
00122 #define FLASH_WRPROT_PAGES84TO87    ((uint32_t)0x00200000) /* Write protection of page 84 to 87 */
00123 #define FLASH_WRPROT_PAGES88TO91    ((uint32_t)0x00400000) /* Write protection of page 88 to 91 */
00124 #define FLASH_WRPROT_PAGES92TO95    ((uint32_t)0x00800000) /* Write protection of page 92 to 95 */
00125 #define FLASH_WRPROT_PAGES96TO99    ((uint32_t)0x01000000) /* Write protection of page 96 to 99 */
00126 #define FLASH_WRPROT_PAGES100TO103  ((uint32_t)0x02000000) /* Write protection of page 100 to 103 */
00127 #define FLASH_WRPROT_PAGES104TO107  ((uint32_t)0x04000000) /* Write protection of page 104 to 107 */
00128 #define FLASH_WRPROT_PAGES108TO111  ((uint32_t)0x08000000) /* Write protection of page 108 to 111 */
00129 #define FLASH_WRPROT_PAGES112TO115  ((uint32_t)0x10000000) /* Write protection of page 112 to 115 */
00130 #define FLASH_WRPROT_PAGES116TO119  ((uint32_t)0x20000000) /* Write protection of page 115 to 119 */
00131 #define FLASH_WRPROT_PAGES120TO123  ((uint32_t)0x40000000) /* Write protection of page 120 to 123 */
00132 #define FLASH_WRPROT_PAGES124TO127  ((uint32_t)0x80000000) /* Write protection of page 124 to 127 */
00133 #define FLASH_WRPROT_ALLPAGES       ((uint32_t)0xFFFFFFFF) /* Write protection All Pages */
00134 
00135 /* Option Bytes IWatchdog */
00136 #define OB_IWDG_SW                  ((uint16_t)0x0001)  /* Software IWDG selected */
00137 #define OB_IWDG_HW                  ((uint16_t)0x0000)  /* Hardware IWDG selected */
00138 
00139 /* Option Bytes nRST_STOP */
00140 #define OB_STOP_NORST               ((uint16_t)0x0002) /* No reset generated when entering in STOP */
00141 #define OB_STOP_RST                 ((uint16_t)0x0000) /* Reset generated when entering in STOP */
00142 
00143 /* Option Bytes nRST_STDBY */
00144 #define OB_STDBY_NORST              ((uint16_t)0x0004) /* No reset generated when entering in STANDBY */
00145 #define OB_STDBY_RST                ((uint16_t)0x0000) /* Reset generated when entering in STANDBY */
00146 
00147 /* FLASH Interrupts */
00148 #define FLASH_IT_ERROR           ((uint32_t)0x00000400)  /* FPEC error interrupt source */
00149 #define FLASH_IT_EOP             ((uint32_t)0x00001000)  /* End of FLASH Operation Interrupt source */
00150 
00151 /* FLASH Flags */
00152 #define FLASH_FLAG_BSY           ((uint32_t)0x00000001)  /* FLASH Busy flag */
00153 #define FLASH_FLAG_EOP           ((uint32_t)0x00000020)  /* FLASH End of Operation flag */
00154 #define FLASH_FLAG_PGERR         ((uint32_t)0x00000004)  /* FLASH Program error flag */
00155 #define FLASH_FLAG_WRPRTERR      ((uint32_t)0x00000010)  /* FLASH Write protected error flag */
00156 #define FLASH_FLAG_OPTERR        ((uint32_t)0x00000001)  /* FLASH Option Byte error flag */
00157 
00158 
00159 
00163 struct stm32_flash
00164 {
00165   reg32_t ACR;
00166   reg32_t KEYR;
00167   reg32_t OPTKEYR;
00168   reg32_t SR;
00169   reg32_t CR;
00170   reg32_t AR;
00171   reg32_t RESERVED;
00172   reg32_t OBR;
00173   reg32_t WRPR;
00174 };
00175 
00176 #endif /* STM32_FLASH_H */