MacroRat / MouseCode

Mouse code for the MacroRat

Dependencies:   ITG3200 QEI

mbed-dev/targets/TARGET_NUVOTON/TARGET_NUC472/device/StdDriver/nuc472_fmc.c@18:6a4db94011d3, 2017-05-14 (annotated)

Committer:
sahilmgandhi
Date:
Sun May 14 23:18:57 2017 +0000
Revision:
18:6a4db94011d3
Publishing again

Who changed what in which revision?

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sahilmgandhi 18:6a4db94011d3 1 /**************************************************************************//**
sahilmgandhi 18:6a4db94011d3 2 * @file fmc.c
sahilmgandhi 18:6a4db94011d3 3 * @version V1.10
sahilmgandhi 18:6a4db94011d3 4 * $Revision: 16 $
sahilmgandhi 18:6a4db94011d3 5 * $Date: 14/10/06 11:57a $
sahilmgandhi 18:6a4db94011d3 6 * @brief NUC472/NUC442 FMC driver source file
sahilmgandhi 18:6a4db94011d3 7 *
sahilmgandhi 18:6a4db94011d3 8 * @note
sahilmgandhi 18:6a4db94011d3 9 * Copyright (C) 2013 Nuvoton Technology Corp. All rights reserved.
sahilmgandhi 18:6a4db94011d3 10 *****************************************************************************/
sahilmgandhi 18:6a4db94011d3 11
sahilmgandhi 18:6a4db94011d3 12 //* Includes ------------------------------------------------------------------*/
sahilmgandhi 18:6a4db94011d3 13 #include <stdio.h>
sahilmgandhi 18:6a4db94011d3 14 #include "NUC472_442.h"
sahilmgandhi 18:6a4db94011d3 15
sahilmgandhi 18:6a4db94011d3 16
sahilmgandhi 18:6a4db94011d3 17 /** @addtogroup NUC472_442_Device_Driver NUC472/NUC442 Device Driver
sahilmgandhi 18:6a4db94011d3 18 @{
sahilmgandhi 18:6a4db94011d3 19 */
sahilmgandhi 18:6a4db94011d3 20
sahilmgandhi 18:6a4db94011d3 21 /** @addtogroup NUC472_442_FMC_Driver FMC Driver
sahilmgandhi 18:6a4db94011d3 22 @{
sahilmgandhi 18:6a4db94011d3 23 */
sahilmgandhi 18:6a4db94011d3 24
sahilmgandhi 18:6a4db94011d3 25
sahilmgandhi 18:6a4db94011d3 26 /** @addtogroup NUC472_442_FMC_EXPORTED_FUNCTIONS FMC Exported Functions
sahilmgandhi 18:6a4db94011d3 27 @{
sahilmgandhi 18:6a4db94011d3 28 */
sahilmgandhi 18:6a4db94011d3 29
sahilmgandhi 18:6a4db94011d3 30
sahilmgandhi 18:6a4db94011d3 31 /**
sahilmgandhi 18:6a4db94011d3 32 * @brief Set boot from APROM or LDROM of next software reset.
sahilmgandhi 18:6a4db94011d3 33 * @param[in] i32BootSrc Next software boot selection.
sahilmgandhi 18:6a4db94011d3 34 * - \ref IS_BOOT_FROM_LDROM
sahilmgandhi 18:6a4db94011d3 35 * - \ref IS_BOOT_FROM_APROM
sahilmgandhi 18:6a4db94011d3 36 * @return None
sahilmgandhi 18:6a4db94011d3 37 */
sahilmgandhi 18:6a4db94011d3 38 void FMC_SetBootSource (int32_t i32BootSrc)
sahilmgandhi 18:6a4db94011d3 39 {
sahilmgandhi 18:6a4db94011d3 40 if (i32BootSrc == 1)
sahilmgandhi 18:6a4db94011d3 41 FMC->ISPCTL |= FMC_ISPCTL_BS_Msk;
sahilmgandhi 18:6a4db94011d3 42 else
sahilmgandhi 18:6a4db94011d3 43 FMC->ISPCTL &= ~FMC_ISPCTL_BS_Msk;
sahilmgandhi 18:6a4db94011d3 44 }
sahilmgandhi 18:6a4db94011d3 45
sahilmgandhi 18:6a4db94011d3 46
sahilmgandhi 18:6a4db94011d3 47 /**
sahilmgandhi 18:6a4db94011d3 48 * @brief Disable FMC ISP function.
sahilmgandhi 18:6a4db94011d3 49 * @return None
sahilmgandhi 18:6a4db94011d3 50 */
sahilmgandhi 18:6a4db94011d3 51 void FMC_Close(void)
sahilmgandhi 18:6a4db94011d3 52 {
sahilmgandhi 18:6a4db94011d3 53 FMC->ISPCTL &= ~FMC_ISPCTL_ISPEN_Msk;
sahilmgandhi 18:6a4db94011d3 54 }
sahilmgandhi 18:6a4db94011d3 55
sahilmgandhi 18:6a4db94011d3 56
sahilmgandhi 18:6a4db94011d3 57 /**
sahilmgandhi 18:6a4db94011d3 58 * @brief Disable ISP erase/program APROM function.
sahilmgandhi 18:6a4db94011d3 59 * @return None
sahilmgandhi 18:6a4db94011d3 60 */
sahilmgandhi 18:6a4db94011d3 61 void FMC_DisableAPUpdate(void)
sahilmgandhi 18:6a4db94011d3 62 {
sahilmgandhi 18:6a4db94011d3 63 FMC->ISPCTL &= ~FMC_ISPCTL_APUEN_Msk;
sahilmgandhi 18:6a4db94011d3 64 }
sahilmgandhi 18:6a4db94011d3 65
sahilmgandhi 18:6a4db94011d3 66
sahilmgandhi 18:6a4db94011d3 67 /**
sahilmgandhi 18:6a4db94011d3 68 * @brief Disable ISP erase/program User Configuration function.
sahilmgandhi 18:6a4db94011d3 69 * @return None
sahilmgandhi 18:6a4db94011d3 70 */
sahilmgandhi 18:6a4db94011d3 71 void FMC_DisableConfigUpdate(void)
sahilmgandhi 18:6a4db94011d3 72 {
sahilmgandhi 18:6a4db94011d3 73 FMC->ISPCTL &= ~FMC_ISPCTL_CFGUEN_Msk;
sahilmgandhi 18:6a4db94011d3 74 }
sahilmgandhi 18:6a4db94011d3 75
sahilmgandhi 18:6a4db94011d3 76
sahilmgandhi 18:6a4db94011d3 77 /**
sahilmgandhi 18:6a4db94011d3 78 * @brief Disable ISP erase/program LDROM function.
sahilmgandhi 18:6a4db94011d3 79 * @return None
sahilmgandhi 18:6a4db94011d3 80 */
sahilmgandhi 18:6a4db94011d3 81 void FMC_DisableLDUpdate(void)
sahilmgandhi 18:6a4db94011d3 82 {
sahilmgandhi 18:6a4db94011d3 83 FMC->ISPCTL &= ~FMC_ISPCTL_LDUEN_Msk;
sahilmgandhi 18:6a4db94011d3 84 }
sahilmgandhi 18:6a4db94011d3 85
sahilmgandhi 18:6a4db94011d3 86
sahilmgandhi 18:6a4db94011d3 87 /**
sahilmgandhi 18:6a4db94011d3 88 * @brief Enable ISP erase/program APROM function.
sahilmgandhi 18:6a4db94011d3 89 * @return None
sahilmgandhi 18:6a4db94011d3 90 */
sahilmgandhi 18:6a4db94011d3 91 void FMC_EnableAPUpdate(void)
sahilmgandhi 18:6a4db94011d3 92 {
sahilmgandhi 18:6a4db94011d3 93 FMC->ISPCTL |= FMC_ISPCTL_APUEN_Msk;
sahilmgandhi 18:6a4db94011d3 94 }
sahilmgandhi 18:6a4db94011d3 95
sahilmgandhi 18:6a4db94011d3 96
sahilmgandhi 18:6a4db94011d3 97 /**
sahilmgandhi 18:6a4db94011d3 98 * @brief Enable ISP erase/program User Configuration function.
sahilmgandhi 18:6a4db94011d3 99 * @return None
sahilmgandhi 18:6a4db94011d3 100 */
sahilmgandhi 18:6a4db94011d3 101 void FMC_EnableConfigUpdate(void)
sahilmgandhi 18:6a4db94011d3 102 {
sahilmgandhi 18:6a4db94011d3 103 FMC->ISPCTL |= FMC_ISPCTL_CFGUEN_Msk;
sahilmgandhi 18:6a4db94011d3 104 }
sahilmgandhi 18:6a4db94011d3 105
sahilmgandhi 18:6a4db94011d3 106
sahilmgandhi 18:6a4db94011d3 107 /**
sahilmgandhi 18:6a4db94011d3 108 * @brief Enable ISP erase/program LDROM function.
sahilmgandhi 18:6a4db94011d3 109 * @return None
sahilmgandhi 18:6a4db94011d3 110 */
sahilmgandhi 18:6a4db94011d3 111 void FMC_EnableLDUpdate(void)
sahilmgandhi 18:6a4db94011d3 112 {
sahilmgandhi 18:6a4db94011d3 113 FMC->ISPCTL |= FMC_ISPCTL_LDUEN_Msk;
sahilmgandhi 18:6a4db94011d3 114 }
sahilmgandhi 18:6a4db94011d3 115
sahilmgandhi 18:6a4db94011d3 116
sahilmgandhi 18:6a4db94011d3 117 /**
sahilmgandhi 18:6a4db94011d3 118 * @brief Erase a page. The page size is 2048 bytes.
sahilmgandhi 18:6a4db94011d3 119 * @param[in] u32PageAddr Flash page address. Must be a 2048-byte aligned address.
sahilmgandhi 18:6a4db94011d3 120 * @return Success or not.
sahilmgandhi 18:6a4db94011d3 121 * @retval 0 Success
sahilmgandhi 18:6a4db94011d3 122 * @retval -1 Erase failed
sahilmgandhi 18:6a4db94011d3 123 */
sahilmgandhi 18:6a4db94011d3 124 int32_t FMC_Erase(uint32_t u32PageAddr)
sahilmgandhi 18:6a4db94011d3 125 {
sahilmgandhi 18:6a4db94011d3 126 FMC->ISPCMD = FMC_ISPCMD_PAGE_ERASE;
sahilmgandhi 18:6a4db94011d3 127 FMC->ISPADDR = u32PageAddr;
sahilmgandhi 18:6a4db94011d3 128 FMC->ISPTRG = FMC_ISPTRG_ISPGO_Msk;
sahilmgandhi 18:6a4db94011d3 129
sahilmgandhi 18:6a4db94011d3 130 while (FMC->ISPTRG & FMC_ISPTRG_ISPGO_Msk) ;
sahilmgandhi 18:6a4db94011d3 131
sahilmgandhi 18:6a4db94011d3 132 if (FMC->ISPCTL & FMC_ISPCTL_ISPFF_Msk) {
sahilmgandhi 18:6a4db94011d3 133 FMC->ISPCTL |= FMC_ISPCTL_ISPFF_Msk;
sahilmgandhi 18:6a4db94011d3 134 return -1;
sahilmgandhi 18:6a4db94011d3 135 }
sahilmgandhi 18:6a4db94011d3 136 return 0;
sahilmgandhi 18:6a4db94011d3 137 }
sahilmgandhi 18:6a4db94011d3 138
sahilmgandhi 18:6a4db94011d3 139
sahilmgandhi 18:6a4db94011d3 140 /**
sahilmgandhi 18:6a4db94011d3 141 * @brief Get the current boot source.
sahilmgandhi 18:6a4db94011d3 142 * @return The current boot source.
sahilmgandhi 18:6a4db94011d3 143 * @retval 0 Is boot from APROM.
sahilmgandhi 18:6a4db94011d3 144 * @retval 1 Is boot from LDROM.
sahilmgandhi 18:6a4db94011d3 145 */
sahilmgandhi 18:6a4db94011d3 146 int32_t FMC_GetBootSource (void)
sahilmgandhi 18:6a4db94011d3 147 {
sahilmgandhi 18:6a4db94011d3 148 if (FMC->ISPCTL & FMC_ISPCTL_BS_Msk)
sahilmgandhi 18:6a4db94011d3 149 return 1;
sahilmgandhi 18:6a4db94011d3 150 else
sahilmgandhi 18:6a4db94011d3 151 return 0;
sahilmgandhi 18:6a4db94011d3 152 }
sahilmgandhi 18:6a4db94011d3 153
sahilmgandhi 18:6a4db94011d3 154
sahilmgandhi 18:6a4db94011d3 155 /**
sahilmgandhi 18:6a4db94011d3 156 * @brief Enable FMC ISP function
sahilmgandhi 18:6a4db94011d3 157 * @return None
sahilmgandhi 18:6a4db94011d3 158 */
sahilmgandhi 18:6a4db94011d3 159 void FMC_Open(void)
sahilmgandhi 18:6a4db94011d3 160 {
sahilmgandhi 18:6a4db94011d3 161 FMC->ISPCTL |= FMC_ISPCTL_ISPEN_Msk;
sahilmgandhi 18:6a4db94011d3 162 }
sahilmgandhi 18:6a4db94011d3 163
sahilmgandhi 18:6a4db94011d3 164
sahilmgandhi 18:6a4db94011d3 165 /**
sahilmgandhi 18:6a4db94011d3 166 * @brief Execute ISP command to read a word from flash.
sahilmgandhi 18:6a4db94011d3 167 * @param[in] u32Addr Address of the flash location to be read.
sahilmgandhi 18:6a4db94011d3 168 * It must be a word aligned address.
sahilmgandhi 18:6a4db94011d3 169 * @return The word data read from specified flash address.
sahilmgandhi 18:6a4db94011d3 170 */
sahilmgandhi 18:6a4db94011d3 171 uint32_t FMC_Read(uint32_t u32Addr)
sahilmgandhi 18:6a4db94011d3 172 {
sahilmgandhi 18:6a4db94011d3 173 FMC->ISPCMD = FMC_ISPCMD_READ;
sahilmgandhi 18:6a4db94011d3 174 FMC->ISPADDR = u32Addr;
sahilmgandhi 18:6a4db94011d3 175 FMC->ISPTRG = FMC_ISPTRG_ISPGO_Msk;
sahilmgandhi 18:6a4db94011d3 176
sahilmgandhi 18:6a4db94011d3 177 while (FMC->ISPTRG & FMC_ISPTRG_ISPGO_Msk) ;
sahilmgandhi 18:6a4db94011d3 178
sahilmgandhi 18:6a4db94011d3 179 return FMC->ISPDAT;
sahilmgandhi 18:6a4db94011d3 180 }
sahilmgandhi 18:6a4db94011d3 181
sahilmgandhi 18:6a4db94011d3 182
sahilmgandhi 18:6a4db94011d3 183 /**
sahilmgandhi 18:6a4db94011d3 184 * @brief Execute ISP 64-bits read command to read two words from flash.
sahilmgandhi 18:6a4db94011d3 185 * @param[in] u32Addr Flash word address. Must be a double word aligned address.
sahilmgandhi 18:6a4db94011d3 186 * @param[out] u32Data0 The first word read from flash.
sahilmgandhi 18:6a4db94011d3 187 * @param[out] u32Data1 The second word read from flash.
sahilmgandhi 18:6a4db94011d3 188 * @return None
sahilmgandhi 18:6a4db94011d3 189 */
sahilmgandhi 18:6a4db94011d3 190 void FMC_Read_64(uint32_t u32Addr, uint32_t *u32Data0, uint32_t *u32Data1)
sahilmgandhi 18:6a4db94011d3 191 {
sahilmgandhi 18:6a4db94011d3 192 FMC->ISPCMD = FMC_ISPCMD_READ_64;
sahilmgandhi 18:6a4db94011d3 193 FMC->ISPADDR = u32Addr;
sahilmgandhi 18:6a4db94011d3 194 FMC->ISPDAT = 0x0;
sahilmgandhi 18:6a4db94011d3 195 FMC->ISPTRG = FMC_ISPTRG_ISPGO_Msk;
sahilmgandhi 18:6a4db94011d3 196
sahilmgandhi 18:6a4db94011d3 197 while (FMC->ISPTRG & FMC_ISPTRG_ISPGO_Msk) ;
sahilmgandhi 18:6a4db94011d3 198
sahilmgandhi 18:6a4db94011d3 199 *u32Data0 = FMC->MPDAT0;
sahilmgandhi 18:6a4db94011d3 200 *u32Data1 = FMC->MPDAT1;
sahilmgandhi 18:6a4db94011d3 201 }
sahilmgandhi 18:6a4db94011d3 202
sahilmgandhi 18:6a4db94011d3 203
sahilmgandhi 18:6a4db94011d3 204 /**
sahilmgandhi 18:6a4db94011d3 205 * @brief Read company ID.
sahilmgandhi 18:6a4db94011d3 206 * @return The company ID.
sahilmgandhi 18:6a4db94011d3 207 */
sahilmgandhi 18:6a4db94011d3 208 uint32_t FMC_ReadCID(void)
sahilmgandhi 18:6a4db94011d3 209 {
sahilmgandhi 18:6a4db94011d3 210 FMC->ISPCMD = FMC_ISPCMD_READ_CID;
sahilmgandhi 18:6a4db94011d3 211 FMC->ISPADDR = 0x0;
sahilmgandhi 18:6a4db94011d3 212 FMC->ISPTRG = FMC_ISPTRG_ISPGO_Msk;
sahilmgandhi 18:6a4db94011d3 213 while (FMC->ISPTRG & FMC_ISPTRG_ISPGO_Msk) ;
sahilmgandhi 18:6a4db94011d3 214 return FMC->ISPDAT;
sahilmgandhi 18:6a4db94011d3 215 }
sahilmgandhi 18:6a4db94011d3 216
sahilmgandhi 18:6a4db94011d3 217
sahilmgandhi 18:6a4db94011d3 218 /**
sahilmgandhi 18:6a4db94011d3 219 * @brief Read device ID.
sahilmgandhi 18:6a4db94011d3 220 * @return The device ID.
sahilmgandhi 18:6a4db94011d3 221 */
sahilmgandhi 18:6a4db94011d3 222 uint32_t FMC_ReadDID(void)
sahilmgandhi 18:6a4db94011d3 223 {
sahilmgandhi 18:6a4db94011d3 224 FMC->ISPCMD = FMC_ISPCMD_READ_DID;
sahilmgandhi 18:6a4db94011d3 225 FMC->ISPADDR = 0;
sahilmgandhi 18:6a4db94011d3 226 FMC->ISPTRG = FMC_ISPTRG_ISPGO_Msk;
sahilmgandhi 18:6a4db94011d3 227 while (FMC->ISPTRG & FMC_ISPTRG_ISPGO_Msk) ;
sahilmgandhi 18:6a4db94011d3 228 return FMC->ISPDAT;
sahilmgandhi 18:6a4db94011d3 229 }
sahilmgandhi 18:6a4db94011d3 230
sahilmgandhi 18:6a4db94011d3 231
sahilmgandhi 18:6a4db94011d3 232 /**
sahilmgandhi 18:6a4db94011d3 233 * @brief Read product ID.
sahilmgandhi 18:6a4db94011d3 234 * @return The product ID.
sahilmgandhi 18:6a4db94011d3 235 */
sahilmgandhi 18:6a4db94011d3 236 uint32_t FMC_ReadPID(void)
sahilmgandhi 18:6a4db94011d3 237 {
sahilmgandhi 18:6a4db94011d3 238 FMC->ISPCMD = FMC_ISPCMD_READ_DID;
sahilmgandhi 18:6a4db94011d3 239 FMC->ISPADDR = 0x04;
sahilmgandhi 18:6a4db94011d3 240 FMC->ISPTRG = FMC_ISPTRG_ISPGO_Msk;
sahilmgandhi 18:6a4db94011d3 241 while (FMC->ISPTRG & FMC_ISPTRG_ISPGO_Msk) ;
sahilmgandhi 18:6a4db94011d3 242 return FMC->ISPDAT;
sahilmgandhi 18:6a4db94011d3 243 }
sahilmgandhi 18:6a4db94011d3 244
sahilmgandhi 18:6a4db94011d3 245
sahilmgandhi 18:6a4db94011d3 246 /**
sahilmgandhi 18:6a4db94011d3 247 * @brief This function reads one of the four UCID.
sahilmgandhi 18:6a4db94011d3 248 * @param[in] u32Index Index of the UCID to read. u32Index must be 0, 1, 2, or 3.
sahilmgandhi 18:6a4db94011d3 249 * @return The UCID.
sahilmgandhi 18:6a4db94011d3 250 */
sahilmgandhi 18:6a4db94011d3 251 uint32_t FMC_ReadUCID(uint32_t u32Index)
sahilmgandhi 18:6a4db94011d3 252 {
sahilmgandhi 18:6a4db94011d3 253 FMC->ISPCMD = FMC_ISPCMD_READ_UID;
sahilmgandhi 18:6a4db94011d3 254 FMC->ISPADDR = (0x04 * u32Index) + 0x10;
sahilmgandhi 18:6a4db94011d3 255 FMC->ISPTRG = FMC_ISPTRG_ISPGO_Msk;
sahilmgandhi 18:6a4db94011d3 256
sahilmgandhi 18:6a4db94011d3 257 while (FMC->ISPTRG & FMC_ISPTRG_ISPGO_Msk) ;
sahilmgandhi 18:6a4db94011d3 258
sahilmgandhi 18:6a4db94011d3 259 return FMC->ISPDAT;
sahilmgandhi 18:6a4db94011d3 260 }
sahilmgandhi 18:6a4db94011d3 261
sahilmgandhi 18:6a4db94011d3 262
sahilmgandhi 18:6a4db94011d3 263 /**
sahilmgandhi 18:6a4db94011d3 264 * @brief This function reads one of the three UID.
sahilmgandhi 18:6a4db94011d3 265 * @param[in] u32Index Index of the UID to read. u32Index must be 0, 1, or 2.
sahilmgandhi 18:6a4db94011d3 266 * @return The UID.
sahilmgandhi 18:6a4db94011d3 267 */
sahilmgandhi 18:6a4db94011d3 268 uint32_t FMC_ReadUID(uint32_t u32Index)
sahilmgandhi 18:6a4db94011d3 269 {
sahilmgandhi 18:6a4db94011d3 270 FMC->ISPCMD = FMC_ISPCMD_READ_UID;
sahilmgandhi 18:6a4db94011d3 271 FMC->ISPADDR = 0x04 * u32Index;
sahilmgandhi 18:6a4db94011d3 272 FMC->ISPTRG = FMC_ISPTRG_ISPGO_Msk;
sahilmgandhi 18:6a4db94011d3 273
sahilmgandhi 18:6a4db94011d3 274 while (FMC->ISPTRG & FMC_ISPTRG_ISPGO_Msk) ;
sahilmgandhi 18:6a4db94011d3 275
sahilmgandhi 18:6a4db94011d3 276 return FMC->ISPDAT;
sahilmgandhi 18:6a4db94011d3 277 }
sahilmgandhi 18:6a4db94011d3 278
sahilmgandhi 18:6a4db94011d3 279
sahilmgandhi 18:6a4db94011d3 280 /**
sahilmgandhi 18:6a4db94011d3 281 * @brief Get the base address of Data Flash if enabled.
sahilmgandhi 18:6a4db94011d3 282 * @return Base address of Data Flash
sahilmgandhi 18:6a4db94011d3 283 */
sahilmgandhi 18:6a4db94011d3 284 uint32_t FMC_ReadDataFlashBaseAddr(void)
sahilmgandhi 18:6a4db94011d3 285 {
sahilmgandhi 18:6a4db94011d3 286 return FMC->DFBA;
sahilmgandhi 18:6a4db94011d3 287 }
sahilmgandhi 18:6a4db94011d3 288
sahilmgandhi 18:6a4db94011d3 289
sahilmgandhi 18:6a4db94011d3 290 /**
sahilmgandhi 18:6a4db94011d3 291 * @brief This function will force re-map assigned flash page to CPU address 0x0.
sahilmgandhi 18:6a4db94011d3 292 * @param[in] u32PageAddr Address of the page to be mapped to CPU address 0x0.
sahilmgandhi 18:6a4db94011d3 293 * @return None
sahilmgandhi 18:6a4db94011d3 294 */
sahilmgandhi 18:6a4db94011d3 295 void FMC_SetVectorPageAddr(uint32_t u32PageAddr)
sahilmgandhi 18:6a4db94011d3 296 {
sahilmgandhi 18:6a4db94011d3 297 FMC->ISPCMD = FMC_ISPCMD_VECMAP;
sahilmgandhi 18:6a4db94011d3 298 FMC->ISPADDR = u32PageAddr;
sahilmgandhi 18:6a4db94011d3 299 FMC->ISPTRG = FMC_ISPTRG_ISPGO_Msk;
sahilmgandhi 18:6a4db94011d3 300 while (FMC->ISPTRG & FMC_ISPTRG_ISPGO_Msk) ;
sahilmgandhi 18:6a4db94011d3 301 }
sahilmgandhi 18:6a4db94011d3 302
sahilmgandhi 18:6a4db94011d3 303
sahilmgandhi 18:6a4db94011d3 304 /**
sahilmgandhi 18:6a4db94011d3 305 * @brief Execute ISP command to program a word to flash.
sahilmgandhi 18:6a4db94011d3 306 * @param[in] u32Addr Address of the flash location to be programmed.
sahilmgandhi 18:6a4db94011d3 307 * It must be a word aligned address.
sahilmgandhi 18:6a4db94011d3 308 * @param[out] u32Data The word data to be programmed.
sahilmgandhi 18:6a4db94011d3 309 * @return None
sahilmgandhi 18:6a4db94011d3 310 */
sahilmgandhi 18:6a4db94011d3 311 void FMC_Write(uint32_t u32Addr, uint32_t u32Data)
sahilmgandhi 18:6a4db94011d3 312 {
sahilmgandhi 18:6a4db94011d3 313 FMC->ISPCMD = FMC_ISPCMD_WRITE;
sahilmgandhi 18:6a4db94011d3 314 FMC->ISPADDR = u32Addr;
sahilmgandhi 18:6a4db94011d3 315 FMC->ISPDAT = u32Data;
sahilmgandhi 18:6a4db94011d3 316 FMC->ISPTRG = FMC_ISPTRG_ISPGO_Msk;
sahilmgandhi 18:6a4db94011d3 317 while (FMC->ISPTRG & FMC_ISPTRG_ISPGO_Msk) ;
sahilmgandhi 18:6a4db94011d3 318 }
sahilmgandhi 18:6a4db94011d3 319
sahilmgandhi 18:6a4db94011d3 320
sahilmgandhi 18:6a4db94011d3 321 /**
sahilmgandhi 18:6a4db94011d3 322 * @brief Execute ISP 64-bits write command to program two words to flash.
sahilmgandhi 18:6a4db94011d3 323 * @param[in] u32Addr Destination address. It must be double word aligned.
sahilmgandhi 18:6a4db94011d3 324 * @param[in] u32Data0 First word data to be written.
sahilmgandhi 18:6a4db94011d3 325 * @param[in] u32Data1 Second word data to be written.
sahilmgandhi 18:6a4db94011d3 326 * @return None
sahilmgandhi 18:6a4db94011d3 327 */
sahilmgandhi 18:6a4db94011d3 328 void FMC_Write_64(uint32_t u32Addr, uint32_t u32Data0, uint32_t u32Data1)
sahilmgandhi 18:6a4db94011d3 329 {
sahilmgandhi 18:6a4db94011d3 330 FMC->ISPCMD = FMC_ISPCMD_WRITE_64;
sahilmgandhi 18:6a4db94011d3 331 FMC->ISPADDR = u32Addr;
sahilmgandhi 18:6a4db94011d3 332 FMC->MPDAT0 = u32Data0;
sahilmgandhi 18:6a4db94011d3 333 FMC->MPDAT1 = u32Data0;
sahilmgandhi 18:6a4db94011d3 334 FMC->ISPTRG = FMC_ISPTRG_ISPGO_Msk;
sahilmgandhi 18:6a4db94011d3 335 while (FMC->ISPTRG & FMC_ISPTRG_ISPGO_Msk) ;
sahilmgandhi 18:6a4db94011d3 336 }
sahilmgandhi 18:6a4db94011d3 337
sahilmgandhi 18:6a4db94011d3 338
sahilmgandhi 18:6a4db94011d3 339 /**
sahilmgandhi 18:6a4db94011d3 340 * @brief CRC8 Calculator
sahilmgandhi 18:6a4db94011d3 341 * @param[in] au32Data CRC8 input data words.
sahilmgandhi 18:6a4db94011d3 342 * @param[in] i32Count Number of words in au32Data[].
sahilmgandhi 18:6a4db94011d3 343 * @return The CRC8 value.
sahilmgandhi 18:6a4db94011d3 344 */
sahilmgandhi 18:6a4db94011d3 345 uint32_t FMC_CRC8(uint32_t au32Data[], int i32Count)
sahilmgandhi 18:6a4db94011d3 346 {
sahilmgandhi 18:6a4db94011d3 347 int i32ByteIdx;
sahilmgandhi 18:6a4db94011d3 348 uint8_t i, u8Cnt, u8InData;
sahilmgandhi 18:6a4db94011d3 349 uint8_t au8CRC[4] = { 0xff, 0xff, 0xff, 0xff };
sahilmgandhi 18:6a4db94011d3 350
sahilmgandhi 18:6a4db94011d3 351 for (i32ByteIdx = 0; i32ByteIdx < 4; i32ByteIdx++) {
sahilmgandhi 18:6a4db94011d3 352 for (u8Cnt = 0; u8Cnt < i32Count; u8Cnt++) {
sahilmgandhi 18:6a4db94011d3 353 for (i = 0x80; i != 0; i /= 2) {
sahilmgandhi 18:6a4db94011d3 354 if ((au8CRC[i32ByteIdx] & 0x80)!=0) {
sahilmgandhi 18:6a4db94011d3 355 au8CRC[i32ByteIdx] *= 2;
sahilmgandhi 18:6a4db94011d3 356 au8CRC[i32ByteIdx] ^= 7;
sahilmgandhi 18:6a4db94011d3 357 } else
sahilmgandhi 18:6a4db94011d3 358 au8CRC[i32ByteIdx] *= 2;
sahilmgandhi 18:6a4db94011d3 359
sahilmgandhi 18:6a4db94011d3 360 u8InData = (au32Data[u8Cnt] >> (i32ByteIdx * 8)) & 0xff;
sahilmgandhi 18:6a4db94011d3 361
sahilmgandhi 18:6a4db94011d3 362 if ((u8InData & i) != 0)
sahilmgandhi 18:6a4db94011d3 363 au8CRC[i32ByteIdx]^=0x7;
sahilmgandhi 18:6a4db94011d3 364 }
sahilmgandhi 18:6a4db94011d3 365 }
sahilmgandhi 18:6a4db94011d3 366 }
sahilmgandhi 18:6a4db94011d3 367 return (au8CRC[0] | au8CRC[1] << 8 | au8CRC[2] << 16 | au8CRC[3] << 24);
sahilmgandhi 18:6a4db94011d3 368 }
sahilmgandhi 18:6a4db94011d3 369
sahilmgandhi 18:6a4db94011d3 370
sahilmgandhi 18:6a4db94011d3 371 /**
sahilmgandhi 18:6a4db94011d3 372 * @brief Read the User Configuration words.
sahilmgandhi 18:6a4db94011d3 373 * @param[out] u32Config: The word array to store words read from flash.
sahilmgandhi 18:6a4db94011d3 374 * @param[in] u32Count: Maximum length of u32Config.
sahilmgandhi 18:6a4db94011d3 375 * @return Success or not.
sahilmgandhi 18:6a4db94011d3 376 * @retval 0 Success
sahilmgandhi 18:6a4db94011d3 377 * @retval -1 User Configuration CRC check error
sahilmgandhi 18:6a4db94011d3 378 */
sahilmgandhi 18:6a4db94011d3 379 int32_t FMC_ReadConfig(uint32_t *u32Config, uint32_t u32Count)
sahilmgandhi 18:6a4db94011d3 380 {
sahilmgandhi 18:6a4db94011d3 381 int i;
sahilmgandhi 18:6a4db94011d3 382
sahilmgandhi 18:6a4db94011d3 383 for (i = 0; i < u32Count; i++) {
sahilmgandhi 18:6a4db94011d3 384 u32Config[i] = FMC_Read(FMC_CONFIG_BASE + i*4);
sahilmgandhi 18:6a4db94011d3 385 }
sahilmgandhi 18:6a4db94011d3 386
sahilmgandhi 18:6a4db94011d3 387 if (FMC->ISPSTS & FMC_ISPSTS_CFGCRCF_Msk)
sahilmgandhi 18:6a4db94011d3 388 return -1;
sahilmgandhi 18:6a4db94011d3 389
sahilmgandhi 18:6a4db94011d3 390 return 0;
sahilmgandhi 18:6a4db94011d3 391 }
sahilmgandhi 18:6a4db94011d3 392
sahilmgandhi 18:6a4db94011d3 393
sahilmgandhi 18:6a4db94011d3 394 /**
sahilmgandhi 18:6a4db94011d3 395 * @brief Write User Configuration
sahilmgandhi 18:6a4db94011d3 396 * @param[in] u32Config The word array to store data. MUST be a four word array.
sahilmgandhi 18:6a4db94011d3 397 * @param[in] u32Count MUST be 4.
sahilmgandhi 18:6a4db94011d3 398 * @return Success or not.
sahilmgandhi 18:6a4db94011d3 399 * @retval 0 Success
sahilmgandhi 18:6a4db94011d3 400 * @retval -1 Failed
sahilmgandhi 18:6a4db94011d3 401 */
sahilmgandhi 18:6a4db94011d3 402 int32_t FMC_WriteConfig(uint32_t *u32Config, uint32_t u32Count)
sahilmgandhi 18:6a4db94011d3 403 {
sahilmgandhi 18:6a4db94011d3 404 uint32_t i, u32CRC, u32Data;
sahilmgandhi 18:6a4db94011d3 405
sahilmgandhi 18:6a4db94011d3 406 FMC_Erase(FMC_CONFIG_BASE);
sahilmgandhi 18:6a4db94011d3 407
sahilmgandhi 18:6a4db94011d3 408 u32CRC = FMC_CRC8(u32Config, 3);
sahilmgandhi 18:6a4db94011d3 409
sahilmgandhi 18:6a4db94011d3 410 for (i = 0; i < 4; i++) {
sahilmgandhi 18:6a4db94011d3 411 FMC_Write(FMC_CONFIG_BASE + i * 4, (i < 3) ? u32Config[i] : u32CRC);
sahilmgandhi 18:6a4db94011d3 412 }
sahilmgandhi 18:6a4db94011d3 413
sahilmgandhi 18:6a4db94011d3 414 for (i = 0; i < 4; i++) {
sahilmgandhi 18:6a4db94011d3 415 u32Data = FMC_Read(FMC_CONFIG_BASE + i * 4);
sahilmgandhi 18:6a4db94011d3 416
sahilmgandhi 18:6a4db94011d3 417 if (u32Data != ((i < 3) ? u32Config[i] : u32CRC))
sahilmgandhi 18:6a4db94011d3 418 return -1;
sahilmgandhi 18:6a4db94011d3 419 }
sahilmgandhi 18:6a4db94011d3 420 return 0;
sahilmgandhi 18:6a4db94011d3 421 }
sahilmgandhi 18:6a4db94011d3 422
sahilmgandhi 18:6a4db94011d3 423
sahilmgandhi 18:6a4db94011d3 424 /*@}*/ /* end of group NUC472_442_FMC_EXPORTED_FUNCTIONS */
sahilmgandhi 18:6a4db94011d3 425
sahilmgandhi 18:6a4db94011d3 426 /*@}*/ /* end of group NUC472_442_FMC_Driver */
sahilmgandhi 18:6a4db94011d3 427
sahilmgandhi 18:6a4db94011d3 428 /*@}*/ /* end of group NUC472_442_Device_Driver */
sahilmgandhi 18:6a4db94011d3 429
sahilmgandhi 18:6a4db94011d3 430 /*** (C) COPYRIGHT 2013 Nuvoton Technology Corp. ***/
sahilmgandhi 18:6a4db94011d3 431
sahilmgandhi 18:6a4db94011d3 432