Device Driver for RAMTRON FM25W256 SPI-driven FRAM Uses SPI peripheral at 10MHz Based on fast SPI routines
fm25w256.h
- Committer:
- elmicro
- Date:
- 2012-04-05
- Revision:
- 0:2290931492e7
File content as of revision 0:2290931492e7:
#include "mbed.h" //Shortcuts #define SSL1 LPC_GPIO0->FIOSET = BIT6 #define SSL0 LPC_GPIO0->FIOCLR = BIT6 // Aliases for code readability #define BIT31 0x80000000 #define BIT30 0x40000000 #define BIT29 0x20000000 #define BIT28 0x10000000 #define BIT27 0x08000000 #define BIT26 0x04000000 #define BIT25 0x02000000 #define BIT24 0x01000000 #define BIT23 0x00800000 #define BIT22 0x00400000 #define BIT21 0x00200000 #define BIT20 0x00100000 #define BIT19 0x00080000 #define BIT18 0x00040000 #define BIT17 0x00020000 #define BIT16 0x00010000 #define BIT15 0x00008000 #define BIT14 0x00004000 #define BIT13 0x00002000 #define BIT12 0x00001000 #define BIT11 0x00000800 #define BIT10 0x00000400 #define BIT9 0x00000200 #define BIT8 0x00000100 #define BIT7 0x00000080 #define BIT6 0x00000040 #define BIT5 0x00000020 #define BIT4 0x00000010 #define BIT3 0x00000008 #define BIT2 0x00000004 #define BIT1 0x00000002 #define BIT0 0x00000001 // FeRAM command defines #define WREN 0x06 // Write enable #define WRITE 0x02 // Write command #define READ 0x03 // Read command #define RDSR 0x05 // Read Status Register void FM25W_SSP1_Init (void); unsigned char FM25W_ReadByte (unsigned int iAddress); void FM25W_WriteByte (unsigned int iAddress, unsigned char cByte); void FM25W_WriteBlock(unsigned int iAddress, unsigned char *ptrBlock, unsigned int iCount); void FM25W_ReadBlock (unsigned int iAddress, unsigned char *ptrBlock, unsigned int iCount);