Yann Garcia / FM24Vxx_I2C

Simplified access to Ramtron (Cypress) FM24Vxx F-RAM devices

Dependents:   FM24Vxx_I2CApp

FM24Vxx_SN.h@2:bf7d1264d3ff, 2013-04-13 (annotated)

Committer:
Yann
Date:
Sat Apr 13 14:23:41 2013 +0000
Revision:
2:bf7d1264d3ff
Parent:
1:6a16bddd7222 
Added new Read method from Reed Kimble request

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Yann 1:6a16bddd7222 1 /* mbed simplified access to RAMTRON FV24xx Serial 3V F-RAM Memory (I2C)
Yann 1:6a16bddd7222 2 * Copyright (c) 2013 ygarcia, MIT License
Yann 1:6a16bddd7222 3 *
Yann 1:6a16bddd7222 4 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
Yann 1:6a16bddd7222 5 * and associated documentation files (the "Software"), to deal in the Software without restriction,
Yann 1:6a16bddd7222 6 * including without limitation the rights to use, copy, modify, merge, publish, distribute,
Yann 1:6a16bddd7222 7 * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
Yann 1:6a16bddd7222 8 * furnished to do so, subject to the following conditions:
Yann 1:6a16bddd7222 9 *
Yann 1:6a16bddd7222 10 * The above copyright notice and this permission notice shall be included in all copies or
Yann 1:6a16bddd7222 11 * substantial portions of the Software.
Yann 1:6a16bddd7222 12 *
Yann 1:6a16bddd7222 13 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
Yann 1:6a16bddd7222 14 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
Yann 1:6a16bddd7222 15 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
Yann 1:6a16bddd7222 16 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
Yann 1:6a16bddd7222 17 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
Yann 1:6a16bddd7222 18 */
Yann 1:6a16bddd7222 19 #if !defined(__FM24VXX_SN_H__)
Yann 1:6a16bddd7222 20 #define __FM24VXX_SN_H__
Yann 1:6a16bddd7222 21
Yann 1:6a16bddd7222 22 #include <mbed.h>
Yann 1:6a16bddd7222 23 //#include "Debug.h"
Yann 1:6a16bddd7222 24
Yann 1:6a16bddd7222 25 namespace _FM24VXX_I2C {
Yann 1:6a16bddd7222 26
Yann 1:6a16bddd7222 27 /**
Yann 1:6a16bddd7222 28 * Device ID description
Yann 1:6a16bddd7222 29 * @remark See FM24V10_ds Figure 14. Manufacturer and Product ID
Yann 1:6a16bddd7222 30 */
Yann 1:6a16bddd7222 31 class CFM24VXX_SN {
Yann 1:6a16bddd7222 32
Yann 1:6a16bddd7222 33 /** Serial number description
Yann 1:6a16bddd7222 34 */
Yann 1:6a16bddd7222 35 union { // See FM24V10_ds Figure 15. 8-Byte Serial Number (read-only)
Yann 1:6a16bddd7222 36 unsigned char snumber[8];
Yann 1:6a16bddd7222 37 struct {
Yann 1:6a16bddd7222 38 unsigned char crc;
Yann 1:6a16bddd7222 39 unsigned char un[5];
Yann 1:6a16bddd7222 40 unsigned char cid[2];
Yann 1:6a16bddd7222 41 } sn;
Yann 1:6a16bddd7222 42 } _sn;
Yann 1:6a16bddd7222 43
Yann 1:6a16bddd7222 44 public:
Yann 1:6a16bddd7222 45 inline CFM24VXX_SN(const unsigned char *pdatas) {
Yann 1:6a16bddd7222 46 // for (int i = 0; i < 8; i++) {
Yann 1:6a16bddd7222 47 // DEBUG("CFM24VXX_SN::CFM24VXX_SN: byte #%d = 0x%02x", i, *(pdatas + i))
Yann 1:6a16bddd7222 48 // }
Yann 1:6a16bddd7222 49 memcpy((void *)&(_sn.snumber[0]), pdatas, 8 * sizeof(unsigned char));
Yann 1:6a16bddd7222 50 } // End of Constructor
Yann 1:6a16bddd7222 51
Yann 1:6a16bddd7222 52 inline unsigned short GetCustomerID() const { return _sn.sn.cid[0] << 8 | _sn.sn.cid[1]; };
Yann 1:6a16bddd7222 53
Yann 1:6a16bddd7222 54 inline unsigned char * GetUniqueID() const { return (unsigned char *)&(_sn.sn.un[0]); };
Yann 1:6a16bddd7222 55
Yann 1:6a16bddd7222 56 inline unsigned char GetChecksum() const { return _sn.sn.crc; };
Yann 1:6a16bddd7222 57
Yann 1:6a16bddd7222 58 }; // End of class CFM24VXX_SN
Yann 1:6a16bddd7222 59
Yann 1:6a16bddd7222 60 } // End of namespace _FM24VXX_I2C
Yann 1:6a16bddd7222 61
Yann 1:6a16bddd7222 62 #endif // __FM24VXX_SN_H__