Functions for accessing M24SR device.
Dependents: Nucleo_NFC_Example I2C_NFC_Master Print_Entire_Nucleo_NFC01A1_Memory
Fork of lib_M24SR by
Warning: Deprecated!
Supported drivers and applications can be found at this link.
lib_M24SR.c@0:ffc2448b65ef, 2014-12-15 (annotated)
- Committer:
- EnricoG
- Date:
- Mon Dec 15 19:41:52 2014 +0000
- Revision:
- 0:ffc2448b65ef
Initial commit
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
EnricoG | 0:ffc2448b65ef | 1 | /** |
EnricoG | 0:ffc2448b65ef | 2 | ****************************************************************************** |
EnricoG | 0:ffc2448b65ef | 3 | * @file lib_M24SR.c |
EnricoG | 0:ffc2448b65ef | 4 | * @author MMY Application Team |
EnricoG | 0:ffc2448b65ef | 5 | * @version V1.1.0 |
EnricoG | 0:ffc2448b65ef | 6 | * @date 20-October-2014 |
EnricoG | 0:ffc2448b65ef | 7 | * @brief This file help to manage M24SR in a NFC forum context. |
EnricoG | 0:ffc2448b65ef | 8 | ****************************************************************************** |
EnricoG | 0:ffc2448b65ef | 9 | * @attention |
EnricoG | 0:ffc2448b65ef | 10 | * |
EnricoG | 0:ffc2448b65ef | 11 | * <h2><center>© COPYRIGHT(c) 2014 STMicroelectronics</center></h2> |
EnricoG | 0:ffc2448b65ef | 12 | * |
EnricoG | 0:ffc2448b65ef | 13 | * Redistribution and use in source and binary forms, with or without modification, |
EnricoG | 0:ffc2448b65ef | 14 | * are permitted provided that the following conditions are met: |
EnricoG | 0:ffc2448b65ef | 15 | * 1. Redistributions of source code must retain the above copyright notice, |
EnricoG | 0:ffc2448b65ef | 16 | * this list of conditions and the following disclaimer. |
EnricoG | 0:ffc2448b65ef | 17 | * 2. Redistributions in binary form must reproduce the above copyright notice, |
EnricoG | 0:ffc2448b65ef | 18 | * this list of conditions and the following disclaimer in the documentation |
EnricoG | 0:ffc2448b65ef | 19 | * and/or other materials provided with the distribution. |
EnricoG | 0:ffc2448b65ef | 20 | * 3. Neither the name of STMicroelectronics nor the names of its contributors |
EnricoG | 0:ffc2448b65ef | 21 | * may be used to endorse or promote products derived from this software |
EnricoG | 0:ffc2448b65ef | 22 | * without specific prior written permission. |
EnricoG | 0:ffc2448b65ef | 23 | * |
EnricoG | 0:ffc2448b65ef | 24 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
EnricoG | 0:ffc2448b65ef | 25 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
EnricoG | 0:ffc2448b65ef | 26 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
EnricoG | 0:ffc2448b65ef | 27 | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
EnricoG | 0:ffc2448b65ef | 28 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
EnricoG | 0:ffc2448b65ef | 29 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
EnricoG | 0:ffc2448b65ef | 30 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
EnricoG | 0:ffc2448b65ef | 31 | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
EnricoG | 0:ffc2448b65ef | 32 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
EnricoG | 0:ffc2448b65ef | 33 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
EnricoG | 0:ffc2448b65ef | 34 | * |
EnricoG | 0:ffc2448b65ef | 35 | ****************************************************************************** |
EnricoG | 0:ffc2448b65ef | 36 | */ |
EnricoG | 0:ffc2448b65ef | 37 | |
EnricoG | 0:ffc2448b65ef | 38 | |
EnricoG | 0:ffc2448b65ef | 39 | /* Includes ------------------------------------------------------------------*/ |
EnricoG | 0:ffc2448b65ef | 40 | #include "lib_M24SR.h" |
EnricoG | 0:ffc2448b65ef | 41 | |
EnricoG | 0:ffc2448b65ef | 42 | /** @addtogroup M24SR_Driver |
EnricoG | 0:ffc2448b65ef | 43 | * @{ |
EnricoG | 0:ffc2448b65ef | 44 | * @brief <b>This folder contains the driver layer of M24SR family (M24SR64, M24SR16, M24SR04, M24SR02)</b> |
EnricoG | 0:ffc2448b65ef | 45 | */ |
EnricoG | 0:ffc2448b65ef | 46 | |
EnricoG | 0:ffc2448b65ef | 47 | /** @addtogroup lib_M24SR |
EnricoG | 0:ffc2448b65ef | 48 | * @{ |
EnricoG | 0:ffc2448b65ef | 49 | * @brief This is the library to interface with the M24SR dynamic tag. |
EnricoG | 0:ffc2448b65ef | 50 | * This layer simplify the use of the M24SR driver by sequencing |
EnricoG | 0:ffc2448b65ef | 51 | * some commands. |
EnricoG | 0:ffc2448b65ef | 52 | */ |
EnricoG | 0:ffc2448b65ef | 53 | |
EnricoG | 0:ffc2448b65ef | 54 | uint8_t I2CPassword[16]={0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
EnricoG | 0:ffc2448b65ef | 55 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}; |
EnricoG | 0:ffc2448b65ef | 56 | |
EnricoG | 0:ffc2448b65ef | 57 | static uint32_t NDEFSessionOpenID=NDEF_SESSION_CLOSED; |
EnricoG | 0:ffc2448b65ef | 58 | |
EnricoG | 0:ffc2448b65ef | 59 | /* Init NDEF_FileID with bad value in case Init failed */ |
EnricoG | 0:ffc2448b65ef | 60 | static uint16_t NDEF_FileID = 0xDEAD; |
EnricoG | 0:ffc2448b65ef | 61 | |
EnricoG | 0:ffc2448b65ef | 62 | #ifdef __MBED__ |
EnricoG | 0:ffc2448b65ef | 63 | extern void wait_ms(int ms); |
EnricoG | 0:ffc2448b65ef | 64 | #endif |
EnricoG | 0:ffc2448b65ef | 65 | |
EnricoG | 0:ffc2448b65ef | 66 | /** @defgroup libM24SR_Private_Functions |
EnricoG | 0:ffc2448b65ef | 67 | * @{ |
EnricoG | 0:ffc2448b65ef | 68 | */ |
EnricoG | 0:ffc2448b65ef | 69 | |
EnricoG | 0:ffc2448b65ef | 70 | /** |
EnricoG | 0:ffc2448b65ef | 71 | * @} |
EnricoG | 0:ffc2448b65ef | 72 | */ |
EnricoG | 0:ffc2448b65ef | 73 | |
EnricoG | 0:ffc2448b65ef | 74 | |
EnricoG | 0:ffc2448b65ef | 75 | /** @defgroup libM24SR_Public_Functions |
EnricoG | 0:ffc2448b65ef | 76 | * @{ |
EnricoG | 0:ffc2448b65ef | 77 | */ |
EnricoG | 0:ffc2448b65ef | 78 | |
EnricoG | 0:ffc2448b65ef | 79 | /** |
EnricoG | 0:ffc2448b65ef | 80 | * @brief This fonction initialize the M24SR |
EnricoG | 0:ffc2448b65ef | 81 | * @param CCBuffer : pointer on the buffer to store CC file |
EnricoG | 0:ffc2448b65ef | 82 | * @param size : number of byte of data to read |
EnricoG | 0:ffc2448b65ef | 83 | * @retval SUCCESS : Initalization done |
EnricoG | 0:ffc2448b65ef | 84 | * @retval ERROR : Not able to Initialize. |
EnricoG | 0:ffc2448b65ef | 85 | */ |
EnricoG | 0:ffc2448b65ef | 86 | uint16_t M24SR_Initialization ( uint8_t* CCBuffer, uint8_t size ) |
EnricoG | 0:ffc2448b65ef | 87 | { |
EnricoG | 0:ffc2448b65ef | 88 | uint16_t status = ERROR; |
EnricoG | 0:ffc2448b65ef | 89 | uint16_t trials = 5; /* wait 1sec, driver is configured to let 200ms for command to complete */ |
EnricoG | 0:ffc2448b65ef | 90 | /* which is enough for all commands except GetSession if RF session is already opened */ |
EnricoG | 0:ffc2448b65ef | 91 | /* Smartphone generaly release the session within the second, but customer can modify this value */ |
EnricoG | 0:ffc2448b65ef | 92 | |
EnricoG | 0:ffc2448b65ef | 93 | /* Perform HW initialization */ |
EnricoG | 0:ffc2448b65ef | 94 | M24SR_Init(); |
EnricoG | 0:ffc2448b65ef | 95 | |
EnricoG | 0:ffc2448b65ef | 96 | /* Read CC file */ |
EnricoG | 0:ffc2448b65ef | 97 | while( status != M24SR_ACTION_COMPLETED && trials) |
EnricoG | 0:ffc2448b65ef | 98 | { |
EnricoG | 0:ffc2448b65ef | 99 | //printf("Calling M24SR_GetSession(), attempts remaining %d\n", trials); |
EnricoG | 0:ffc2448b65ef | 100 | status = M24SR_GetSession(); |
EnricoG | 0:ffc2448b65ef | 101 | //printf("M24SR_GetSession() returned: %d\n", status); |
EnricoG | 0:ffc2448b65ef | 102 | trials--; |
EnricoG | 0:ffc2448b65ef | 103 | } |
EnricoG | 0:ffc2448b65ef | 104 | if (status != M24SR_ACTION_COMPLETED) |
EnricoG | 0:ffc2448b65ef | 105 | { |
EnricoG | 0:ffc2448b65ef | 106 | //printf("M24SR_GetSession() failed\n"); |
EnricoG | 0:ffc2448b65ef | 107 | return ERROR; |
EnricoG | 0:ffc2448b65ef | 108 | } |
EnricoG | 0:ffc2448b65ef | 109 | /*===================================*/ |
EnricoG | 0:ffc2448b65ef | 110 | /* Select the NFC type 4 application */ |
EnricoG | 0:ffc2448b65ef | 111 | /*===================================*/ |
EnricoG | 0:ffc2448b65ef | 112 | errorchk( M24SR_SelectApplication() ); |
EnricoG | 0:ffc2448b65ef | 113 | |
EnricoG | 0:ffc2448b65ef | 114 | /*==================*/ |
EnricoG | 0:ffc2448b65ef | 115 | /* select a CC file */ |
EnricoG | 0:ffc2448b65ef | 116 | /*==================*/ |
EnricoG | 0:ffc2448b65ef | 117 | errorchk (M24SR_SelectCCfile() ); |
EnricoG | 0:ffc2448b65ef | 118 | |
EnricoG | 0:ffc2448b65ef | 119 | /* read the first 15 bytes of the CC file */ |
EnricoG | 0:ffc2448b65ef | 120 | if( M24SR_ReadData ( 0x0000 , 0x0F , CCBuffer )== M24SR_ACTION_COMPLETED) |
EnricoG | 0:ffc2448b65ef | 121 | { |
EnricoG | 0:ffc2448b65ef | 122 | NDEF_FileID = (uint16_t) ((CCBuffer[0x09]<<8) | CCBuffer[0x0A]); |
EnricoG | 0:ffc2448b65ef | 123 | errorchk( M24SR_Deselect () ); |
EnricoG | 0:ffc2448b65ef | 124 | return SUCCESS; |
EnricoG | 0:ffc2448b65ef | 125 | } |
EnricoG | 0:ffc2448b65ef | 126 | else |
EnricoG | 0:ffc2448b65ef | 127 | errorchk( M24SR_Deselect () ); |
EnricoG | 0:ffc2448b65ef | 128 | |
EnricoG | 0:ffc2448b65ef | 129 | Error: |
EnricoG | 0:ffc2448b65ef | 130 | printf("Error in M24SR_Initialization\n"); |
EnricoG | 0:ffc2448b65ef | 131 | return ERROR; |
EnricoG | 0:ffc2448b65ef | 132 | |
EnricoG | 0:ffc2448b65ef | 133 | } |
EnricoG | 0:ffc2448b65ef | 134 | |
EnricoG | 0:ffc2448b65ef | 135 | /** |
EnricoG | 0:ffc2448b65ef | 136 | * @brief This fonction retrieve the NDEF file ID of NDEF file present in M24SR |
EnricoG | 0:ffc2448b65ef | 137 | * @param NDEF_fileID : To store NDEF ID |
EnricoG | 0:ffc2448b65ef | 138 | * @retval SUCCESS : File ID read |
EnricoG | 0:ffc2448b65ef | 139 | * @retval ERROR : Not able to read file ID. |
EnricoG | 0:ffc2448b65ef | 140 | */ |
EnricoG | 0:ffc2448b65ef | 141 | uint16_t M24SR_GetNDEFFileId ( uint16_t *NDEF_fileID ) |
EnricoG | 0:ffc2448b65ef | 142 | { |
EnricoG | 0:ffc2448b65ef | 143 | if( NDEF_FileID != 0xDEAD) |
EnricoG | 0:ffc2448b65ef | 144 | { |
EnricoG | 0:ffc2448b65ef | 145 | *NDEF_fileID = NDEF_FileID; |
EnricoG | 0:ffc2448b65ef | 146 | return SUCCESS; |
EnricoG | 0:ffc2448b65ef | 147 | } |
EnricoG | 0:ffc2448b65ef | 148 | else |
EnricoG | 0:ffc2448b65ef | 149 | { |
EnricoG | 0:ffc2448b65ef | 150 | return ERROR; |
EnricoG | 0:ffc2448b65ef | 151 | } |
EnricoG | 0:ffc2448b65ef | 152 | } |
EnricoG | 0:ffc2448b65ef | 153 | |
EnricoG | 0:ffc2448b65ef | 154 | |
EnricoG | 0:ffc2448b65ef | 155 | /** |
EnricoG | 0:ffc2448b65ef | 156 | * @brief This fonction configure the M24SR to access NDEF message by I2C |
EnricoG | 0:ffc2448b65ef | 157 | * @param NDEF_fileID : NDEF identification to select NDEF in M24SR |
EnricoG | 0:ffc2448b65ef | 158 | * @param Priority: 2 options: check if M24SR available to open session (no RF session on going) |
EnricoG | 0:ffc2448b65ef | 159 | * Kill RF session and open I2C sesssion. |
EnricoG | 0:ffc2448b65ef | 160 | * @retval SUCCESS : Session is opened |
EnricoG | 0:ffc2448b65ef | 161 | * @retval ERROR : Not able to open session. |
EnricoG | 0:ffc2448b65ef | 162 | */ |
EnricoG | 0:ffc2448b65ef | 163 | uint16_t M24SR_OpenNDEFSession ( uint16_t NDEF_fileID, uint16_t Priority ) |
EnricoG | 0:ffc2448b65ef | 164 | { |
EnricoG | 0:ffc2448b65ef | 165 | uint16_t status = ERROR; |
EnricoG | 0:ffc2448b65ef | 166 | uint16_t trials = 5; /* wait 1sec, driver is configured to let 200ms for command to complete */ |
EnricoG | 0:ffc2448b65ef | 167 | /* which is enough for all commands except GetSession if RF session is already opened */ |
EnricoG | 0:ffc2448b65ef | 168 | /* Smartphone generaly release the session within the second, but customer can modify this value */ |
EnricoG | 0:ffc2448b65ef | 169 | |
EnricoG | 0:ffc2448b65ef | 170 | if(NDEFSessionOpenID == NDEF_SESSION_CLOSED) |
EnricoG | 0:ffc2448b65ef | 171 | { |
EnricoG | 0:ffc2448b65ef | 172 | if( Priority == TAKE_SESSION) |
EnricoG | 0:ffc2448b65ef | 173 | { |
EnricoG | 0:ffc2448b65ef | 174 | status = M24SR_KillSession(); |
EnricoG | 0:ffc2448b65ef | 175 | } |
EnricoG | 0:ffc2448b65ef | 176 | else |
EnricoG | 0:ffc2448b65ef | 177 | { |
EnricoG | 0:ffc2448b65ef | 178 | while( status != M24SR_ACTION_COMPLETED && trials) |
EnricoG | 0:ffc2448b65ef | 179 | { |
EnricoG | 0:ffc2448b65ef | 180 | status = M24SR_GetSession(); |
EnricoG | 0:ffc2448b65ef | 181 | trials--; |
EnricoG | 0:ffc2448b65ef | 182 | } |
EnricoG | 0:ffc2448b65ef | 183 | } |
EnricoG | 0:ffc2448b65ef | 184 | if (status != M24SR_ACTION_COMPLETED) |
EnricoG | 0:ffc2448b65ef | 185 | { |
EnricoG | 0:ffc2448b65ef | 186 | /* seems session already open on RF side */ |
EnricoG | 0:ffc2448b65ef | 187 | /* But in case of I2C issue try to init again */ |
EnricoG | 0:ffc2448b65ef | 188 | M24SR_Init(); |
EnricoG | 0:ffc2448b65ef | 189 | return ERROR; |
EnricoG | 0:ffc2448b65ef | 190 | } |
EnricoG | 0:ffc2448b65ef | 191 | |
EnricoG | 0:ffc2448b65ef | 192 | /*===================================*/ |
EnricoG | 0:ffc2448b65ef | 193 | /* Select the NFC type 4 application */ |
EnricoG | 0:ffc2448b65ef | 194 | /*===================================*/ |
EnricoG | 0:ffc2448b65ef | 195 | errorchk( M24SR_SelectApplication() ); |
EnricoG | 0:ffc2448b65ef | 196 | |
EnricoG | 0:ffc2448b65ef | 197 | /*====================*/ |
EnricoG | 0:ffc2448b65ef | 198 | /* select NDEF file */ |
EnricoG | 0:ffc2448b65ef | 199 | /*====================*/ |
EnricoG | 0:ffc2448b65ef | 200 | errorchk( M24SR_SelectNDEFfile(NDEF_fileID) ); |
EnricoG | 0:ffc2448b65ef | 201 | |
EnricoG | 0:ffc2448b65ef | 202 | NDEFSessionOpenID = (uint32_t)(NDEF_fileID); |
EnricoG | 0:ffc2448b65ef | 203 | |
EnricoG | 0:ffc2448b65ef | 204 | return SUCCESS; |
EnricoG | 0:ffc2448b65ef | 205 | } |
EnricoG | 0:ffc2448b65ef | 206 | else if(NDEFSessionOpenID == NDEF_fileID) |
EnricoG | 0:ffc2448b65ef | 207 | { |
EnricoG | 0:ffc2448b65ef | 208 | /* Session already Open not an issue caller can perform access in NDEF file */ |
EnricoG | 0:ffc2448b65ef | 209 | return SUCCESS; |
EnricoG | 0:ffc2448b65ef | 210 | } |
EnricoG | 0:ffc2448b65ef | 211 | |
EnricoG | 0:ffc2448b65ef | 212 | Error: |
EnricoG | 0:ffc2448b65ef | 213 | return ERROR; |
EnricoG | 0:ffc2448b65ef | 214 | } |
EnricoG | 0:ffc2448b65ef | 215 | |
EnricoG | 0:ffc2448b65ef | 216 | /** |
EnricoG | 0:ffc2448b65ef | 217 | * @brief This fonction close the NDEF Session. |
EnricoG | 0:ffc2448b65ef | 218 | * @param NDEF_fileID : NDEF identification to select NDEF in M24SR |
EnricoG | 0:ffc2448b65ef | 219 | * @retval SUCCESS : Session is closed |
EnricoG | 0:ffc2448b65ef | 220 | * @retval ERROR : Not able to close session. |
EnricoG | 0:ffc2448b65ef | 221 | */ |
EnricoG | 0:ffc2448b65ef | 222 | uint16_t M24SR_CloseNDEFSession ( uint16_t NDEF_fileID ) |
EnricoG | 0:ffc2448b65ef | 223 | { |
EnricoG | 0:ffc2448b65ef | 224 | uint16_t status = ERROR; |
EnricoG | 0:ffc2448b65ef | 225 | |
EnricoG | 0:ffc2448b65ef | 226 | if(NDEFSessionOpenID == (uint32_t)(NDEF_fileID)) |
EnricoG | 0:ffc2448b65ef | 227 | { |
EnricoG | 0:ffc2448b65ef | 228 | errorchk( M24SR_Deselect () ); |
EnricoG | 0:ffc2448b65ef | 229 | NDEFSessionOpenID = NDEF_SESSION_CLOSED; |
EnricoG | 0:ffc2448b65ef | 230 | |
EnricoG | 0:ffc2448b65ef | 231 | return SUCCESS; |
EnricoG | 0:ffc2448b65ef | 232 | } |
EnricoG | 0:ffc2448b65ef | 233 | else if(NDEFSessionOpenID == NDEF_SESSION_CLOSED) |
EnricoG | 0:ffc2448b65ef | 234 | { |
EnricoG | 0:ffc2448b65ef | 235 | /* Not an error as session is already closed */ |
EnricoG | 0:ffc2448b65ef | 236 | return SUCCESS; |
EnricoG | 0:ffc2448b65ef | 237 | } |
EnricoG | 0:ffc2448b65ef | 238 | |
EnricoG | 0:ffc2448b65ef | 239 | Error: |
EnricoG | 0:ffc2448b65ef | 240 | return ERROR; |
EnricoG | 0:ffc2448b65ef | 241 | } |
EnricoG | 0:ffc2448b65ef | 242 | |
EnricoG | 0:ffc2448b65ef | 243 | /** |
EnricoG | 0:ffc2448b65ef | 244 | * @brief This fonction read the data stored in M24SR at defined offset |
EnricoG | 0:ffc2448b65ef | 245 | * @param Offset : Offset in the NDEF file in M24SR |
EnricoG | 0:ffc2448b65ef | 246 | * @param DataSize : Number of byte to read |
EnricoG | 0:ffc2448b65ef | 247 | * @param pData : pointer on buffer to store read data |
EnricoG | 0:ffc2448b65ef | 248 | * @retval Status (SW1&SW2) : Status of the operation. |
EnricoG | 0:ffc2448b65ef | 249 | */ |
EnricoG | 0:ffc2448b65ef | 250 | uint16_t M24SR_ReadData ( uint16_t Offset , uint16_t DataSize , uint8_t* pData) |
EnricoG | 0:ffc2448b65ef | 251 | { |
EnricoG | 0:ffc2448b65ef | 252 | uint16_t status; |
EnricoG | 0:ffc2448b65ef | 253 | |
EnricoG | 0:ffc2448b65ef | 254 | if( DataSize > M24SR_READ_MAX_NBBYTE) |
EnricoG | 0:ffc2448b65ef | 255 | { |
EnricoG | 0:ffc2448b65ef | 256 | do |
EnricoG | 0:ffc2448b65ef | 257 | { |
EnricoG | 0:ffc2448b65ef | 258 | status = M24SR_ReadBinary ( Offset, M24SR_READ_MAX_NBBYTE , pData); |
EnricoG | 0:ffc2448b65ef | 259 | Offset += M24SR_READ_MAX_NBBYTE; |
EnricoG | 0:ffc2448b65ef | 260 | pData += M24SR_READ_MAX_NBBYTE; |
EnricoG | 0:ffc2448b65ef | 261 | DataSize -= M24SR_READ_MAX_NBBYTE; |
EnricoG | 0:ffc2448b65ef | 262 | }while( DataSize > M24SR_READ_MAX_NBBYTE && status == M24SR_ACTION_COMPLETED); |
EnricoG | 0:ffc2448b65ef | 263 | if( status == M24SR_ACTION_COMPLETED && DataSize) |
EnricoG | 0:ffc2448b65ef | 264 | status = M24SR_ReadBinary ( Offset, (uint8_t)(DataSize) , pData); |
EnricoG | 0:ffc2448b65ef | 265 | } |
EnricoG | 0:ffc2448b65ef | 266 | else |
EnricoG | 0:ffc2448b65ef | 267 | status = M24SR_ReadBinary ( Offset, (uint8_t)(DataSize) , pData); |
EnricoG | 0:ffc2448b65ef | 268 | |
EnricoG | 0:ffc2448b65ef | 269 | return status; |
EnricoG | 0:ffc2448b65ef | 270 | } |
EnricoG | 0:ffc2448b65ef | 271 | |
EnricoG | 0:ffc2448b65ef | 272 | /** |
EnricoG | 0:ffc2448b65ef | 273 | * @brief This fonction read the data stored in M24SR at defined offset without NDEF concideration |
EnricoG | 0:ffc2448b65ef | 274 | * @param Offset : Offset in the NDEF file in M24SR |
EnricoG | 0:ffc2448b65ef | 275 | * @param DataSize : Number of byte to read |
EnricoG | 0:ffc2448b65ef | 276 | * @param pData : pointer on buffer to store read data |
EnricoG | 0:ffc2448b65ef | 277 | * @retval Status (SW1&SW2) : Status of the operation. |
EnricoG | 0:ffc2448b65ef | 278 | */ |
EnricoG | 0:ffc2448b65ef | 279 | uint16_t M24SR_ForceReadData ( uint16_t Offset , uint16_t DataSize , uint8_t* pData) |
EnricoG | 0:ffc2448b65ef | 280 | { |
EnricoG | 0:ffc2448b65ef | 281 | uint16_t status; |
EnricoG | 0:ffc2448b65ef | 282 | |
EnricoG | 0:ffc2448b65ef | 283 | if( DataSize > M24SR_READ_MAX_NBBYTE) |
EnricoG | 0:ffc2448b65ef | 284 | { |
EnricoG | 0:ffc2448b65ef | 285 | do |
EnricoG | 0:ffc2448b65ef | 286 | { |
EnricoG | 0:ffc2448b65ef | 287 | status = M24SR_STReadBinary ( Offset, M24SR_READ_MAX_NBBYTE , pData); |
EnricoG | 0:ffc2448b65ef | 288 | Offset += M24SR_READ_MAX_NBBYTE; |
EnricoG | 0:ffc2448b65ef | 289 | pData += M24SR_READ_MAX_NBBYTE; |
EnricoG | 0:ffc2448b65ef | 290 | DataSize -= M24SR_READ_MAX_NBBYTE; |
EnricoG | 0:ffc2448b65ef | 291 | }while( DataSize > M24SR_READ_MAX_NBBYTE && status == M24SR_ACTION_COMPLETED); |
EnricoG | 0:ffc2448b65ef | 292 | if( status == M24SR_ACTION_COMPLETED && DataSize) |
EnricoG | 0:ffc2448b65ef | 293 | status = M24SR_STReadBinary ( Offset, (uint8_t)(DataSize) , pData); |
EnricoG | 0:ffc2448b65ef | 294 | } |
EnricoG | 0:ffc2448b65ef | 295 | else |
EnricoG | 0:ffc2448b65ef | 296 | status = M24SR_STReadBinary ( Offset, (uint8_t)(DataSize) , pData); |
EnricoG | 0:ffc2448b65ef | 297 | |
EnricoG | 0:ffc2448b65ef | 298 | return status; |
EnricoG | 0:ffc2448b65ef | 299 | } |
EnricoG | 0:ffc2448b65ef | 300 | |
EnricoG | 0:ffc2448b65ef | 301 | /** |
EnricoG | 0:ffc2448b65ef | 302 | * @brief This fonction write data in M24SR at defined offset |
EnricoG | 0:ffc2448b65ef | 303 | * @param Offset : Offset in the NDEF file in M24SR |
EnricoG | 0:ffc2448b65ef | 304 | * @param DataSize : Number of byte to read |
EnricoG | 0:ffc2448b65ef | 305 | * @param pData : pointer on buffer to copy in M24SR |
EnricoG | 0:ffc2448b65ef | 306 | * @retval Status (SW1&SW2) : Status of the operation. |
EnricoG | 0:ffc2448b65ef | 307 | */ |
EnricoG | 0:ffc2448b65ef | 308 | uint16_t M24SR_WriteData ( uint16_t Offset , uint16_t DataSize , uint8_t* pData) |
EnricoG | 0:ffc2448b65ef | 309 | { |
EnricoG | 0:ffc2448b65ef | 310 | uint16_t status; |
EnricoG | 0:ffc2448b65ef | 311 | |
EnricoG | 0:ffc2448b65ef | 312 | if( DataSize > M24SR_WRITE_MAX_NBBYTE) |
EnricoG | 0:ffc2448b65ef | 313 | { |
EnricoG | 0:ffc2448b65ef | 314 | do |
EnricoG | 0:ffc2448b65ef | 315 | { |
EnricoG | 0:ffc2448b65ef | 316 | status = M24SR_UpdateBinary ( Offset, M24SR_WRITE_MAX_NBBYTE , pData); |
EnricoG | 0:ffc2448b65ef | 317 | Offset += M24SR_WRITE_MAX_NBBYTE; |
EnricoG | 0:ffc2448b65ef | 318 | pData += M24SR_WRITE_MAX_NBBYTE; |
EnricoG | 0:ffc2448b65ef | 319 | DataSize -= M24SR_WRITE_MAX_NBBYTE; |
EnricoG | 0:ffc2448b65ef | 320 | }while( DataSize > M24SR_WRITE_MAX_NBBYTE && status == M24SR_ACTION_COMPLETED); |
EnricoG | 0:ffc2448b65ef | 321 | if( status == M24SR_ACTION_COMPLETED && DataSize) |
EnricoG | 0:ffc2448b65ef | 322 | status = M24SR_UpdateBinary ( Offset, (uint8_t)(DataSize) , pData); |
EnricoG | 0:ffc2448b65ef | 323 | } |
EnricoG | 0:ffc2448b65ef | 324 | else |
EnricoG | 0:ffc2448b65ef | 325 | status = M24SR_UpdateBinary ( Offset, (uint8_t)(DataSize) , pData); |
EnricoG | 0:ffc2448b65ef | 326 | |
EnricoG | 0:ffc2448b65ef | 327 | return status; |
EnricoG | 0:ffc2448b65ef | 328 | } |
EnricoG | 0:ffc2448b65ef | 329 | |
EnricoG | 0:ffc2448b65ef | 330 | /** |
EnricoG | 0:ffc2448b65ef | 331 | * @brief This fonction activate the need of a password for next read access |
EnricoG | 0:ffc2448b65ef | 332 | * @param pCurrentWritePassword : Write password is needed to have the right to enable Read Password |
EnricoG | 0:ffc2448b65ef | 333 | * @param pNewPassword : The password that will be requiered for next read access |
EnricoG | 0:ffc2448b65ef | 334 | * @retval SUCCESS : Read password is activated |
EnricoG | 0:ffc2448b65ef | 335 | * @retval ERROR : operation does not complete |
EnricoG | 0:ffc2448b65ef | 336 | */ |
EnricoG | 0:ffc2448b65ef | 337 | uint16_t M24SR_EnableReadPassword( uint8_t* pCurrentWritePassword, uint8_t* pNewPassword) |
EnricoG | 0:ffc2448b65ef | 338 | { |
EnricoG | 0:ffc2448b65ef | 339 | uint16_t status = SUCCESS; |
EnricoG | 0:ffc2448b65ef | 340 | |
EnricoG | 0:ffc2448b65ef | 341 | if(M24SR_Verify( WRITE_PWD ,0x10 ,pCurrentWritePassword ) == M24SR_PWD_CORRECT) |
EnricoG | 0:ffc2448b65ef | 342 | { |
EnricoG | 0:ffc2448b65ef | 343 | /* Set new password */ |
EnricoG | 0:ffc2448b65ef | 344 | M24SR_ChangeReferenceData ( READ_PWD, pNewPassword ); |
EnricoG | 0:ffc2448b65ef | 345 | M24SR_EnableVerificationRequirement( READ_PWD ); |
EnricoG | 0:ffc2448b65ef | 346 | status = SUCCESS; |
EnricoG | 0:ffc2448b65ef | 347 | } |
EnricoG | 0:ffc2448b65ef | 348 | else |
EnricoG | 0:ffc2448b65ef | 349 | { |
EnricoG | 0:ffc2448b65ef | 350 | /* M24SR already lock but password not known */ |
EnricoG | 0:ffc2448b65ef | 351 | status = ERROR; |
EnricoG | 0:ffc2448b65ef | 352 | } |
EnricoG | 0:ffc2448b65ef | 353 | |
EnricoG | 0:ffc2448b65ef | 354 | return status; |
EnricoG | 0:ffc2448b65ef | 355 | } |
EnricoG | 0:ffc2448b65ef | 356 | |
EnricoG | 0:ffc2448b65ef | 357 | /** |
EnricoG | 0:ffc2448b65ef | 358 | * @brief This fonction desactivate the need of a password for next read access |
EnricoG | 0:ffc2448b65ef | 359 | * @param pCurrentWritePassword : Write password is needed to have the right to disable Read Password |
EnricoG | 0:ffc2448b65ef | 360 | * @retval SUCCESS : Read password is desactivated |
EnricoG | 0:ffc2448b65ef | 361 | * @retval ERROR : operation does not complete |
EnricoG | 0:ffc2448b65ef | 362 | */ |
EnricoG | 0:ffc2448b65ef | 363 | uint16_t M24SR_DisableReadPassword( uint8_t* pCurrentWritePassword) |
EnricoG | 0:ffc2448b65ef | 364 | { |
EnricoG | 0:ffc2448b65ef | 365 | uint16_t status = SUCCESS; |
EnricoG | 0:ffc2448b65ef | 366 | |
EnricoG | 0:ffc2448b65ef | 367 | if(M24SR_Verify( WRITE_PWD ,0x10 ,pCurrentWritePassword ) == M24SR_PWD_CORRECT) |
EnricoG | 0:ffc2448b65ef | 368 | { |
EnricoG | 0:ffc2448b65ef | 369 | /* Set new password */ |
EnricoG | 0:ffc2448b65ef | 370 | M24SR_DisableVerificationRequirement( READ_PWD ); |
EnricoG | 0:ffc2448b65ef | 371 | status = SUCCESS; |
EnricoG | 0:ffc2448b65ef | 372 | } |
EnricoG | 0:ffc2448b65ef | 373 | else |
EnricoG | 0:ffc2448b65ef | 374 | { |
EnricoG | 0:ffc2448b65ef | 375 | /* M24SR already lock but password not known */ |
EnricoG | 0:ffc2448b65ef | 376 | status = ERROR; |
EnricoG | 0:ffc2448b65ef | 377 | } |
EnricoG | 0:ffc2448b65ef | 378 | |
EnricoG | 0:ffc2448b65ef | 379 | return status; |
EnricoG | 0:ffc2448b65ef | 380 | } |
EnricoG | 0:ffc2448b65ef | 381 | |
EnricoG | 0:ffc2448b65ef | 382 | /** |
EnricoG | 0:ffc2448b65ef | 383 | * @brief This fonction activate the need of a password for next write access |
EnricoG | 0:ffc2448b65ef | 384 | * @param pCurrentWritePassword : Write password must be prensented to have the right to modify write Password |
EnricoG | 0:ffc2448b65ef | 385 | * @param pNewPassword : The password that will be requiered for next write access |
EnricoG | 0:ffc2448b65ef | 386 | * @retval SUCCESS : Write password is activated |
EnricoG | 0:ffc2448b65ef | 387 | * @retval ERROR : operation does not complete |
EnricoG | 0:ffc2448b65ef | 388 | */ |
EnricoG | 0:ffc2448b65ef | 389 | uint16_t M24SR_EnableWritePassword( uint8_t* pCurrentWritePassword, uint8_t* pNewPassword) |
EnricoG | 0:ffc2448b65ef | 390 | { |
EnricoG | 0:ffc2448b65ef | 391 | uint16_t status; |
EnricoG | 0:ffc2448b65ef | 392 | |
EnricoG | 0:ffc2448b65ef | 393 | /* check we have the good password */ |
EnricoG | 0:ffc2448b65ef | 394 | if (M24SR_Verify( WRITE_PWD ,0x10 ,pCurrentWritePassword )== M24SR_PWD_CORRECT) |
EnricoG | 0:ffc2448b65ef | 395 | { |
EnricoG | 0:ffc2448b65ef | 396 | /* Set new password */ |
EnricoG | 0:ffc2448b65ef | 397 | M24SR_ChangeReferenceData ( WRITE_PWD, pNewPassword ); |
EnricoG | 0:ffc2448b65ef | 398 | M24SR_EnableVerificationRequirement( WRITE_PWD ); |
EnricoG | 0:ffc2448b65ef | 399 | status = SUCCESS; |
EnricoG | 0:ffc2448b65ef | 400 | } |
EnricoG | 0:ffc2448b65ef | 401 | else /* we don't have the good password */ |
EnricoG | 0:ffc2448b65ef | 402 | { |
EnricoG | 0:ffc2448b65ef | 403 | status = ERROR; |
EnricoG | 0:ffc2448b65ef | 404 | } |
EnricoG | 0:ffc2448b65ef | 405 | |
EnricoG | 0:ffc2448b65ef | 406 | return status; |
EnricoG | 0:ffc2448b65ef | 407 | } |
EnricoG | 0:ffc2448b65ef | 408 | |
EnricoG | 0:ffc2448b65ef | 409 | /** |
EnricoG | 0:ffc2448b65ef | 410 | * @brief This fonction desactivate the need of a password for next write access |
EnricoG | 0:ffc2448b65ef | 411 | * @param pCurrentWritePassword : Write password must be prensented to have the right to disable it |
EnricoG | 0:ffc2448b65ef | 412 | * @retval SUCCESS : Write password is desactivated |
EnricoG | 0:ffc2448b65ef | 413 | * @retval ERROR : operation does not complete |
EnricoG | 0:ffc2448b65ef | 414 | */ |
EnricoG | 0:ffc2448b65ef | 415 | uint16_t M24SR_DisableWritePassword( uint8_t* pCurrentWritePassword) |
EnricoG | 0:ffc2448b65ef | 416 | { |
EnricoG | 0:ffc2448b65ef | 417 | uint16_t status = SUCCESS; |
EnricoG | 0:ffc2448b65ef | 418 | |
EnricoG | 0:ffc2448b65ef | 419 | if(M24SR_Verify( WRITE_PWD ,0x10 ,pCurrentWritePassword ) == M24SR_PWD_CORRECT) |
EnricoG | 0:ffc2448b65ef | 420 | { |
EnricoG | 0:ffc2448b65ef | 421 | M24SR_DisableVerificationRequirement( WRITE_PWD ); |
EnricoG | 0:ffc2448b65ef | 422 | status = SUCCESS; |
EnricoG | 0:ffc2448b65ef | 423 | } |
EnricoG | 0:ffc2448b65ef | 424 | else |
EnricoG | 0:ffc2448b65ef | 425 | { |
EnricoG | 0:ffc2448b65ef | 426 | /* M24SR already lock but password not known */ |
EnricoG | 0:ffc2448b65ef | 427 | status = ERROR; |
EnricoG | 0:ffc2448b65ef | 428 | } |
EnricoG | 0:ffc2448b65ef | 429 | |
EnricoG | 0:ffc2448b65ef | 430 | return status; |
EnricoG | 0:ffc2448b65ef | 431 | } |
EnricoG | 0:ffc2448b65ef | 432 | |
EnricoG | 0:ffc2448b65ef | 433 | /** |
EnricoG | 0:ffc2448b65ef | 434 | * @brief This fonction desactivate the need of read and write password for next access |
EnricoG | 0:ffc2448b65ef | 435 | * @param pSuperUserPassword : I2C super user password to overwrite read and write password |
EnricoG | 0:ffc2448b65ef | 436 | * @retval SUCCESS : M24SR access is now free (no password needed) |
EnricoG | 0:ffc2448b65ef | 437 | * @retval ERROR : operation does not complete |
EnricoG | 0:ffc2448b65ef | 438 | */ |
EnricoG | 0:ffc2448b65ef | 439 | uint16_t M24SR_DisableAllPassword( uint8_t* pSuperUserPassword) |
EnricoG | 0:ffc2448b65ef | 440 | { |
EnricoG | 0:ffc2448b65ef | 441 | uint16_t status = SUCCESS; |
EnricoG | 0:ffc2448b65ef | 442 | |
EnricoG | 0:ffc2448b65ef | 443 | if(M24SR_Verify( I2C_PWD ,0x10 ,pSuperUserPassword ) == M24SR_PWD_CORRECT) |
EnricoG | 0:ffc2448b65ef | 444 | { |
EnricoG | 0:ffc2448b65ef | 445 | M24SR_DisablePermanentState( READ_PWD ); |
EnricoG | 0:ffc2448b65ef | 446 | M24SR_DisablePermanentState( WRITE_PWD ); |
EnricoG | 0:ffc2448b65ef | 447 | |
EnricoG | 0:ffc2448b65ef | 448 | M24SR_DisableVerificationRequirement( READ_PWD ); |
EnricoG | 0:ffc2448b65ef | 449 | M24SR_DisableVerificationRequirement( WRITE_PWD ); |
EnricoG | 0:ffc2448b65ef | 450 | |
EnricoG | 0:ffc2448b65ef | 451 | /* reset password */ |
EnricoG | 0:ffc2448b65ef | 452 | M24SR_ChangeReferenceData ( READ_PWD, pSuperUserPassword ); |
EnricoG | 0:ffc2448b65ef | 453 | M24SR_ChangeReferenceData ( WRITE_PWD, pSuperUserPassword ); |
EnricoG | 0:ffc2448b65ef | 454 | status = SUCCESS; |
EnricoG | 0:ffc2448b65ef | 455 | } |
EnricoG | 0:ffc2448b65ef | 456 | else |
EnricoG | 0:ffc2448b65ef | 457 | { |
EnricoG | 0:ffc2448b65ef | 458 | /* M24SR already lock but password not known */ |
EnricoG | 0:ffc2448b65ef | 459 | status = ERROR; |
EnricoG | 0:ffc2448b65ef | 460 | } |
EnricoG | 0:ffc2448b65ef | 461 | |
EnricoG | 0:ffc2448b65ef | 462 | return status; |
EnricoG | 0:ffc2448b65ef | 463 | } |
EnricoG | 0:ffc2448b65ef | 464 | |
EnricoG | 0:ffc2448b65ef | 465 | /** |
EnricoG | 0:ffc2448b65ef | 466 | * @brief This fonction enable read only mode |
EnricoG | 0:ffc2448b65ef | 467 | * @param pCurrentWritePassword : Write password is needed to have right to enable read only mode |
EnricoG | 0:ffc2448b65ef | 468 | * @retval SUCCESS : M24SR access is now forbidden in write mode |
EnricoG | 0:ffc2448b65ef | 469 | * @retval ERROR : operation does not complete |
EnricoG | 0:ffc2448b65ef | 470 | */ |
EnricoG | 0:ffc2448b65ef | 471 | uint16_t M24SR_EnableReadOnly( uint8_t* pCurrentWritePassword) |
EnricoG | 0:ffc2448b65ef | 472 | { |
EnricoG | 0:ffc2448b65ef | 473 | uint16_t status = SUCCESS; |
EnricoG | 0:ffc2448b65ef | 474 | |
EnricoG | 0:ffc2448b65ef | 475 | if(M24SR_Verify( WRITE_PWD ,0x10 ,pCurrentWritePassword ) == M24SR_PWD_CORRECT) |
EnricoG | 0:ffc2448b65ef | 476 | { |
EnricoG | 0:ffc2448b65ef | 477 | M24SR_EnablePermanentState( WRITE_PWD ); /* lock write to have read only */ |
EnricoG | 0:ffc2448b65ef | 478 | status = SUCCESS; |
EnricoG | 0:ffc2448b65ef | 479 | } |
EnricoG | 0:ffc2448b65ef | 480 | else |
EnricoG | 0:ffc2448b65ef | 481 | { |
EnricoG | 0:ffc2448b65ef | 482 | /* M24SR already lock but password not known */ |
EnricoG | 0:ffc2448b65ef | 483 | status = ERROR; |
EnricoG | 0:ffc2448b65ef | 484 | } |
EnricoG | 0:ffc2448b65ef | 485 | |
EnricoG | 0:ffc2448b65ef | 486 | return status; |
EnricoG | 0:ffc2448b65ef | 487 | } |
EnricoG | 0:ffc2448b65ef | 488 | |
EnricoG | 0:ffc2448b65ef | 489 | /** |
EnricoG | 0:ffc2448b65ef | 490 | * @brief This fonction disable read only mode |
EnricoG | 0:ffc2448b65ef | 491 | * @param pCurrentWritePassword : Write password is needed to have right to disable read only mode |
EnricoG | 0:ffc2448b65ef | 492 | * @retval SUCCESS : M24SR write access is now allowed |
EnricoG | 0:ffc2448b65ef | 493 | * @retval ERROR : operation does not complete |
EnricoG | 0:ffc2448b65ef | 494 | */ |
EnricoG | 0:ffc2448b65ef | 495 | uint16_t M24SR_DisableReadOnly( uint8_t* pCurrentWritePassword) |
EnricoG | 0:ffc2448b65ef | 496 | { |
EnricoG | 0:ffc2448b65ef | 497 | uint16_t status = SUCCESS; |
EnricoG | 0:ffc2448b65ef | 498 | |
EnricoG | 0:ffc2448b65ef | 499 | if(M24SR_Verify( I2C_PWD ,0x10 ,I2CPassword ) == M24SR_PWD_CORRECT) |
EnricoG | 0:ffc2448b65ef | 500 | { |
EnricoG | 0:ffc2448b65ef | 501 | M24SR_DisablePermanentState( WRITE_PWD ); /* disable write protection to disable read only mode */ |
EnricoG | 0:ffc2448b65ef | 502 | M24SR_DisableVerificationRequirement( WRITE_PWD ); |
EnricoG | 0:ffc2448b65ef | 503 | status = SUCCESS; |
EnricoG | 0:ffc2448b65ef | 504 | } |
EnricoG | 0:ffc2448b65ef | 505 | else |
EnricoG | 0:ffc2448b65ef | 506 | { |
EnricoG | 0:ffc2448b65ef | 507 | /* we don't have the good I2C password nothing to do anymore */ |
EnricoG | 0:ffc2448b65ef | 508 | status = ERROR; |
EnricoG | 0:ffc2448b65ef | 509 | } |
EnricoG | 0:ffc2448b65ef | 510 | |
EnricoG | 0:ffc2448b65ef | 511 | return status; |
EnricoG | 0:ffc2448b65ef | 512 | } |
EnricoG | 0:ffc2448b65ef | 513 | |
EnricoG | 0:ffc2448b65ef | 514 | /** |
EnricoG | 0:ffc2448b65ef | 515 | * @brief This fonction enable write only mode |
EnricoG | 0:ffc2448b65ef | 516 | * @param pCurrentWritePassword : Write password is needed to have right to enable write only mode |
EnricoG | 0:ffc2448b65ef | 517 | * @retval SUCCESS : M24SR access is now forbidden in read mode |
EnricoG | 0:ffc2448b65ef | 518 | * @retval ERROR : operation does not complete |
EnricoG | 0:ffc2448b65ef | 519 | */ |
EnricoG | 0:ffc2448b65ef | 520 | uint16_t M24SR_EnableWriteOnly( uint8_t* pCurrentWritePassword) |
EnricoG | 0:ffc2448b65ef | 521 | { |
EnricoG | 0:ffc2448b65ef | 522 | uint16_t status = SUCCESS; |
EnricoG | 0:ffc2448b65ef | 523 | |
EnricoG | 0:ffc2448b65ef | 524 | if(M24SR_Verify( WRITE_PWD ,0x10 ,pCurrentWritePassword ) == M24SR_PWD_CORRECT) |
EnricoG | 0:ffc2448b65ef | 525 | { |
EnricoG | 0:ffc2448b65ef | 526 | M24SR_EnablePermanentState( READ_PWD ); /* disable read access and keep write */ |
EnricoG | 0:ffc2448b65ef | 527 | status = SUCCESS; |
EnricoG | 0:ffc2448b65ef | 528 | } |
EnricoG | 0:ffc2448b65ef | 529 | else |
EnricoG | 0:ffc2448b65ef | 530 | { |
EnricoG | 0:ffc2448b65ef | 531 | /* M24SR already lock but password not known */ |
EnricoG | 0:ffc2448b65ef | 532 | status = ERROR; |
EnricoG | 0:ffc2448b65ef | 533 | } |
EnricoG | 0:ffc2448b65ef | 534 | |
EnricoG | 0:ffc2448b65ef | 535 | return status; |
EnricoG | 0:ffc2448b65ef | 536 | } |
EnricoG | 0:ffc2448b65ef | 537 | |
EnricoG | 0:ffc2448b65ef | 538 | /** |
EnricoG | 0:ffc2448b65ef | 539 | * @brief This fonction disable write only mode |
EnricoG | 0:ffc2448b65ef | 540 | * @param pCurrentWritePassword : Write password is needed to have right to disable write only mode |
EnricoG | 0:ffc2448b65ef | 541 | * @retval SUCCESS : M24SR read access is now allowed |
EnricoG | 0:ffc2448b65ef | 542 | * @retval ERROR : operation does not complete |
EnricoG | 0:ffc2448b65ef | 543 | */ |
EnricoG | 0:ffc2448b65ef | 544 | uint16_t M24SR_DisableWriteOnly( uint8_t* pCurrentWritePassword) |
EnricoG | 0:ffc2448b65ef | 545 | { |
EnricoG | 0:ffc2448b65ef | 546 | uint16_t status = SUCCESS; |
EnricoG | 0:ffc2448b65ef | 547 | |
EnricoG | 0:ffc2448b65ef | 548 | if(M24SR_Verify( I2C_PWD ,0x10 ,I2CPassword ) == M24SR_PWD_CORRECT) |
EnricoG | 0:ffc2448b65ef | 549 | { |
EnricoG | 0:ffc2448b65ef | 550 | M24SR_DisablePermanentState( READ_PWD ); /* disable write only -> enable write acces */ |
EnricoG | 0:ffc2448b65ef | 551 | M24SR_DisableVerificationRequirement( READ_PWD ); |
EnricoG | 0:ffc2448b65ef | 552 | status = SUCCESS; |
EnricoG | 0:ffc2448b65ef | 553 | } |
EnricoG | 0:ffc2448b65ef | 554 | else |
EnricoG | 0:ffc2448b65ef | 555 | { |
EnricoG | 0:ffc2448b65ef | 556 | /* M24SR already lock but password not known */ |
EnricoG | 0:ffc2448b65ef | 557 | status = ERROR; |
EnricoG | 0:ffc2448b65ef | 558 | } |
EnricoG | 0:ffc2448b65ef | 559 | |
EnricoG | 0:ffc2448b65ef | 560 | return status; |
EnricoG | 0:ffc2448b65ef | 561 | } |
EnricoG | 0:ffc2448b65ef | 562 | |
EnricoG | 0:ffc2448b65ef | 563 | /** |
EnricoG | 0:ffc2448b65ef | 564 | * @brief This function configure GPO purpose for RF session |
EnricoG | 0:ffc2448b65ef | 565 | * @param GPO_config: GPO configuration to set |
EnricoG | 0:ffc2448b65ef | 566 | * @param mode: select RF or I2C, GPO config to update |
EnricoG | 0:ffc2448b65ef | 567 | * @retval Status : Status of the operation. |
EnricoG | 0:ffc2448b65ef | 568 | */ |
EnricoG | 0:ffc2448b65ef | 569 | uint16_t M24SR_ManageGPO( uc8 GPO_config, uc8 mode) |
EnricoG | 0:ffc2448b65ef | 570 | { |
EnricoG | 0:ffc2448b65ef | 571 | uint16_t status; |
EnricoG | 0:ffc2448b65ef | 572 | |
EnricoG | 0:ffc2448b65ef | 573 | if( mode == RF_GPO) |
EnricoG | 0:ffc2448b65ef | 574 | { |
EnricoG | 0:ffc2448b65ef | 575 | status = M24SR_ManageRFGPO ( GPO_config ); |
EnricoG | 0:ffc2448b65ef | 576 | } |
EnricoG | 0:ffc2448b65ef | 577 | else |
EnricoG | 0:ffc2448b65ef | 578 | { |
EnricoG | 0:ffc2448b65ef | 579 | status = M24SR_ManageI2CGPO ( GPO_config ); |
EnricoG | 0:ffc2448b65ef | 580 | } |
EnricoG | 0:ffc2448b65ef | 581 | return status; |
EnricoG | 0:ffc2448b65ef | 582 | } |
EnricoG | 0:ffc2448b65ef | 583 | |
EnricoG | 0:ffc2448b65ef | 584 | /** |
EnricoG | 0:ffc2448b65ef | 585 | * @} |
EnricoG | 0:ffc2448b65ef | 586 | */ |
EnricoG | 0:ffc2448b65ef | 587 | |
EnricoG | 0:ffc2448b65ef | 588 | /** |
EnricoG | 0:ffc2448b65ef | 589 | * @} |
EnricoG | 0:ffc2448b65ef | 590 | */ |
EnricoG | 0:ffc2448b65ef | 591 | |
EnricoG | 0:ffc2448b65ef | 592 | /** |
EnricoG | 0:ffc2448b65ef | 593 | * @} |
EnricoG | 0:ffc2448b65ef | 594 | */ |
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EnricoG | 0:ffc2448b65ef | 596 | /******************* (C) COPYRIGHT 2013 STMicroelectronics *****END OF FILE****/ |
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