Elmicro Computer / FM25W256

Device Driver for RAMTRON FM25W256 SPI-driven FRAM Uses SPI peripheral at 10MHz Based on fast SPI routines

Dependents:   RAMTRON_FM25W256

fm25w256.h@0:2290931492e7, 2012-04-05 (annotated)

Committer:
elmicro
Date:
Thu Apr 05 10:15:52 2012 +0000
Revision:
0:2290931492e7
Initial Revision with Read Block, Write Block, Read Byte, Write Byte

Who changed what in which revision?

UserRevisionLine numberNew contents of line
elmicro 0:2290931492e7 1 #include "mbed.h"
elmicro 0:2290931492e7 2
elmicro 0:2290931492e7 3 //Shortcuts
elmicro 0:2290931492e7 4 #define SSL1 LPC_GPIO0->FIOSET = BIT6
elmicro 0:2290931492e7 5 #define SSL0 LPC_GPIO0->FIOCLR = BIT6
elmicro 0:2290931492e7 6
elmicro 0:2290931492e7 7 // Aliases for code readability
elmicro 0:2290931492e7 8 #define BIT31 0x80000000
elmicro 0:2290931492e7 9 #define BIT30 0x40000000
elmicro 0:2290931492e7 10 #define BIT29 0x20000000
elmicro 0:2290931492e7 11 #define BIT28 0x10000000
elmicro 0:2290931492e7 12 #define BIT27 0x08000000
elmicro 0:2290931492e7 13 #define BIT26 0x04000000
elmicro 0:2290931492e7 14 #define BIT25 0x02000000
elmicro 0:2290931492e7 15 #define BIT24 0x01000000
elmicro 0:2290931492e7 16 #define BIT23 0x00800000
elmicro 0:2290931492e7 17 #define BIT22 0x00400000
elmicro 0:2290931492e7 18 #define BIT21 0x00200000
elmicro 0:2290931492e7 19 #define BIT20 0x00100000
elmicro 0:2290931492e7 20 #define BIT19 0x00080000
elmicro 0:2290931492e7 21 #define BIT18 0x00040000
elmicro 0:2290931492e7 22 #define BIT17 0x00020000
elmicro 0:2290931492e7 23 #define BIT16 0x00010000
elmicro 0:2290931492e7 24 #define BIT15 0x00008000
elmicro 0:2290931492e7 25 #define BIT14 0x00004000
elmicro 0:2290931492e7 26 #define BIT13 0x00002000
elmicro 0:2290931492e7 27 #define BIT12 0x00001000
elmicro 0:2290931492e7 28 #define BIT11 0x00000800
elmicro 0:2290931492e7 29 #define BIT10 0x00000400
elmicro 0:2290931492e7 30 #define BIT9 0x00000200
elmicro 0:2290931492e7 31 #define BIT8 0x00000100
elmicro 0:2290931492e7 32 #define BIT7 0x00000080
elmicro 0:2290931492e7 33 #define BIT6 0x00000040
elmicro 0:2290931492e7 34 #define BIT5 0x00000020
elmicro 0:2290931492e7 35 #define BIT4 0x00000010
elmicro 0:2290931492e7 36 #define BIT3 0x00000008
elmicro 0:2290931492e7 37 #define BIT2 0x00000004
elmicro 0:2290931492e7 38 #define BIT1 0x00000002
elmicro 0:2290931492e7 39 #define BIT0 0x00000001
elmicro 0:2290931492e7 40
elmicro 0:2290931492e7 41 // FeRAM command defines
elmicro 0:2290931492e7 42 #define WREN 0x06 // Write enable
elmicro 0:2290931492e7 43 #define WRITE 0x02 // Write command
elmicro 0:2290931492e7 44 #define READ 0x03 // Read command
elmicro 0:2290931492e7 45 #define RDSR 0x05 // Read Status Register
elmicro 0:2290931492e7 46
elmicro 0:2290931492e7 47
elmicro 0:2290931492e7 48 void FM25W_SSP1_Init (void);
elmicro 0:2290931492e7 49 unsigned char FM25W_ReadByte (unsigned int iAddress);
elmicro 0:2290931492e7 50 void FM25W_WriteByte (unsigned int iAddress, unsigned char cByte);
elmicro 0:2290931492e7 51 void FM25W_WriteBlock(unsigned int iAddress, unsigned char *ptrBlock, unsigned int iCount);
elmicro 0:2290931492e7 52 void FM25W_ReadBlock (unsigned int iAddress, unsigned char *ptrBlock, unsigned int iCount);