Simplified access to Ramtron (Cypress) FM24Vxx F-RAM devices
FM24Vxx_SN.h
- Committer:
- Yann
- Date:
- 2013-04-03
- Revision:
- 1:6a16bddd7222
File content as of revision 1:6a16bddd7222:
/* mbed simplified access to RAMTRON FV24xx Serial 3V F-RAM Memory (I2C) * Copyright (c) 2013 ygarcia, MIT License * * Permission is hereby granted, free of charge, to any person obtaining a copy of this software * and associated documentation files (the "Software"), to deal in the Software without restriction, * including without limitation the rights to use, copy, modify, merge, publish, distribute, * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in all copies or * substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #if !defined(__FM24VXX_SN_H__) #define __FM24VXX_SN_H__ #include <mbed.h> //#include "Debug.h" namespace _FM24VXX_I2C { /** * Device ID description * @remark See FM24V10_ds Figure 14. Manufacturer and Product ID */ class CFM24VXX_SN { /** Serial number description */ union { // See FM24V10_ds Figure 15. 8-Byte Serial Number (read-only) unsigned char snumber[8]; struct { unsigned char crc; unsigned char un[5]; unsigned char cid[2]; } sn; } _sn; public: inline CFM24VXX_SN(const unsigned char *pdatas) { // for (int i = 0; i < 8; i++) { // DEBUG("CFM24VXX_SN::CFM24VXX_SN: byte #%d = 0x%02x", i, *(pdatas + i)) // } memcpy((void *)&(_sn.snumber[0]), pdatas, 8 * sizeof(unsigned char)); } // End of Constructor inline unsigned short GetCustomerID() const { return _sn.sn.cid[0] << 8 | _sn.sn.cid[1]; }; inline unsigned char * GetUniqueID() const { return (unsigned char *)&(_sn.sn.un[0]); }; inline unsigned char GetChecksum() const { return _sn.sn.crc; }; }; // End of class CFM24VXX_SN } // End of namespace _FM24VXX_I2C #endif // __FM24VXX_SN_H__