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m25p128.c
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m25p128.c
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#include <stdio.h>
#include <stdint.h>
#include "memory.h"
#include "ftd2xx.h"
#include "libMPSSE_spi.h"
#ifdef _WIN32
#else
#include <unistd.h>
#endif
typedef FT_STATUS (*pfunc_SPI_Read)(FT_HANDLE handle, uint8 *buffer, \
uint32 sizeToTransfer, uint32 *sizeTransfered, uint32 options);
extern pfunc_SPI_Read p_SPI_Read;
typedef FT_STATUS (*pfunc_SPI_Write)(FT_HANDLE handle, uint8 *buffer, \
uint32 sizeToTransfer, uint32 *sizeTransfered, uint32 options);
extern pfunc_SPI_Write p_SPI_Write;
#ifdef _WIN32
#ifdef _MSC_VER
extern HMODULE h_libMPSSE;
#else
extern HANDLE h_libMPSSE;
#endif
#endif
#ifdef __linux
extern void *h_libMPSSE;
#include <dlfcn.h>
#endif
#ifdef _WIN32
#define GET_FUN_POINTER GetProcAddress
#define CHECK_ERROR(exp) {if(exp==NULL){printf("%s:%d:%s(): NULL \
expression encountered \n",__FILE__, __LINE__, __FUNCTION__);exit(1);}else{;}};
#endif
#ifdef __linux
#define GET_FUN_POINTER dlsym
#define CHECK_ERROR(exp) {if(dlerror() != NULL){printf("line %d: ERROR \
dlsym\n",__LINE__);}}
#endif
extern const struct mem_chip_st chip_m25p128;
// function ===================================================================
static FT_STATUS id_read( FT_HANDLE ftHandle );
static FT_STATUS read(FT_HANDLE ftHandle, const uint32 adr_start, uint8 *buf, const uint32 len, uint32 * sizeTransfered);
static FT_STATUS write(FT_HANDLE ftHandle, const uint32 adr_start, uint8 *buf, const uint32 prog_buf_size, uint32 * sizeTransfered);
static FT_STATUS erase( FT_HANDLE ftHandle, const uint32 adr_sec);
static FT_STATUS wren(FT_HANDLE ftHandle );
static FT_STATUS wrdi(FT_HANDLE ftHandle );
static int get_status(FT_HANDLE ftHandle );
//=============================================================================
const struct mem_chip_st chip_m25p128 = {
"M25P128", // name
16*1024*1024, // density(bytes)
256*1024, // sector_erase_size(bytes)
256, // prog_buf_size(bytes)
id_read, //(*id_read)
read, //(*read)
write, //(*write)
erase, //(*erase)
wren, //(*wr_en)
wrdi, //(*wr_dis)
get_status //(*get_status)
};
//=============================================================================
// Read ID from chip
//=============================================================================
#define CMD_RDID (0x9f)
#define MANUFACTURE_ID (0x20)
#define MEM_TYPE_ID (0x20)
#define MEM_CAPACITY_ID (0x18)
static FT_STATUS id_read( FT_HANDLE ftHandle )
{
uint32 sizeToTransfer = 0;
uint32 sizeTransfered;
FT_STATUS status;
uint8 buf[ 5 ];
printf("M25P128 ID READ.\r\n");
p_SPI_Read = (pfunc_SPI_Read)GET_FUN_POINTER(h_libMPSSE, "SPI_Read");
CHECK_NULL(p_SPI_Read);
p_SPI_Write = (pfunc_SPI_Write)GET_FUN_POINTER(h_libMPSSE, "SPI_Write");
CHECK_NULL(p_SPI_Write);
buf[ 0 ] = CMD_RDID;
buf[ 1 ] = 0;
buf[ 2 ] = 0;
buf[ 3 ] = 0;
// send CMD RDID
sizeToTransfer = 1;
sizeTransfered = 0;
status = p_SPI_Write(ftHandle, buf, sizeToTransfer, &sizeTransfered, SPI_TRANSFER_OPTIONS_SIZE_IN_BYTES | SPI_TRANSFER_OPTIONS_CHIPSELECT_ENABLE);
APP_CHECK_STATUS(status);
/*Read 3 bytes*/
sizeToTransfer = 3;
sizeTransfered = 0;
status = p_SPI_Read(ftHandle, buf, sizeToTransfer, &sizeTransfered, SPI_TRANSFER_OPTIONS_SIZE_IN_BYTES | SPI_TRANSFER_OPTIONS_CHIPSELECT_DISABLE);
APP_CHECK_STATUS(status);
printf("Manufacture ID = 0x%02X\n\r", buf[0]);
printf("Mem type ID = 0x%02X\n\r", buf[1]);
printf("Mem capacity ID = 0x%02X\n\r", buf[2]);
printf("Chip M25P128 ");
if (MANUFACTURE_ID == buf[0] && MEM_TYPE_ID == buf[1] && MEM_CAPACITY_ID == buf[2]){
printf("found.\r\n");
return FT_OK;
} else {
printf("is not found.\r\n");
return FT_DEVICE_NOT_FOUND;
}
}
//=============================================================================
// Read data from chip
//=============================================================================
#define CMD_READ (0x03)
#define READ_LEN (128) // kolichestvo byte na chetie dla 1 operacii SPI_read
//#define READ_LEN (512) // kolichestvo byte na chetie dla 1 operacii SPI_read
//#define READ_LEN (8192) // kolichestvo byte na chetie dla 1 operacii SPI_read
static FT_STATUS read(FT_HANDLE ftHandle, const uint32 adr_start, uint8 *buf, const uint32 len, uint32 * sizeTransfered)
{
uint32 sizeToTransfer = 0;
uint32 size_Transfered;
FT_STATUS status;
uint8 cmd[ 5 ];
p_SPI_Read = (pfunc_SPI_Read)GET_FUN_POINTER(h_libMPSSE, "SPI_Read");
CHECK_NULL(p_SPI_Read);
p_SPI_Write = (pfunc_SPI_Write)GET_FUN_POINTER(h_libMPSSE, "SPI_Write");
CHECK_NULL(p_SPI_Write);
cmd[ 0 ] = CMD_READ;
cmd[ 1 ] = (adr_start >> 16) & 0xff;
cmd[ 2 ] = (adr_start >> 8) & 0xff;
cmd[ 3 ] = (adr_start >> 0) & 0xff;
// send CMD READ + 3 byte addr
sizeToTransfer = 4;
*sizeTransfered = 0;
status = p_SPI_Write(ftHandle, cmd, sizeToTransfer, &size_Transfered, SPI_TRANSFER_OPTIONS_SIZE_IN_BYTES | SPI_TRANSFER_OPTIONS_CHIPSELECT_ENABLE);
APP_CHECK_STATUS(status);
sizeToTransfer = len;
status = p_SPI_Read(ftHandle, buf, sizeToTransfer, sizeTransfered, SPI_TRANSFER_OPTIONS_SIZE_IN_BYTES | SPI_TRANSFER_OPTIONS_CHIPSELECT_DISABLE);
APP_CHECK_STATUS(status);
return status;
}
//=============================================================================
// Write data to chip
// adr_start kraten -> prog_buf_size
//=============================================================================
#define CMD_PP (0x02)
static FT_STATUS write(FT_HANDLE ftHandle, const uint32 adr_start, uint8 *buf, const uint32 size_for_write, uint32 * sizeTransfered)
{
uint32 sizeToTransfer = 0;
uint32 n = 0;
FT_STATUS status;
uint8 cmd[ 5 ];
if ((adr_start & (chip_m25p128.prog_buf_size - 1)) != 0){
printf("ERROR: (write) Set start adr != n*prog_buf_size.\n\r");
return FT_INVALID_PARAMETER;
}
p_SPI_Read = (pfunc_SPI_Read)GET_FUN_POINTER(h_libMPSSE, "SPI_Read");
CHECK_NULL(p_SPI_Read);
p_SPI_Write = (pfunc_SPI_Write)GET_FUN_POINTER(h_libMPSSE, "SPI_Write");
CHECK_NULL(p_SPI_Write);
cmd[ 0 ] = CMD_PP;
cmd[ 1 ] = (adr_start >> 16) & 0xff;
cmd[ 2 ] = (adr_start >> 8) & 0xff;
cmd[ 3 ] = (adr_start >> 0) & 0xff;
// send CMD PP + 3 byte addr
sizeToTransfer = 4;
*sizeTransfered = 0;
n = 0;
status = p_SPI_Write(ftHandle, cmd, sizeToTransfer, &n, SPI_TRANSFER_OPTIONS_SIZE_IN_BYTES | SPI_TRANSFER_OPTIONS_CHIPSELECT_ENABLE);
if (status != FT_OK){
printf("ERORR: (write) p_SPI_Write return = %d\n\r", status);
}
// send data len = prog_buf_size
sizeToTransfer = size_for_write;
status = p_SPI_Write(ftHandle, buf, sizeToTransfer, &n, SPI_TRANSFER_OPTIONS_SIZE_IN_BYTES | SPI_TRANSFER_OPTIONS_CHIPSELECT_DISABLE);
if (status != FT_OK){
printf("ERORR: (write) p_SPI_Write return = %d\n\r", status);
}
*sizeTransfered = n;
#ifdef _WIN32
Sleep(2);
#else
usleep(2000);
#endif
return status;
}
//=============================================================================
// Erase sector (chip)
//=============================================================================
#define CMD_SE (0xd8)
static FT_STATUS erase( FT_HANDLE ftHandle, const uint32 adr_sec)
{
uint32 sizeToTransfer = 0;
uint32 sizeTransfered;
FT_STATUS status;
uint8 cmd[ 5 ];
p_SPI_Write = (pfunc_SPI_Write)GET_FUN_POINTER(h_libMPSSE, "SPI_Write");
CHECK_NULL(p_SPI_Write);
if (adr_sec % chip_m25p128.sector_erase_size){ // adr ne virovene na granicu sectora !!!
printf("ERROR: set addres sector error != n * sec_erase_size.\n\r");
return FT_INVALID_PARAMETER;
}
cmd[ 0 ] = CMD_SE;
cmd[ 1 ] = (adr_sec >> 16) & 0xff;
cmd[ 2 ] = (adr_sec >> 8) & 0xff;
cmd[ 3 ] = (adr_sec >> 0) & 0xff;
// send CMD SE + 3 byte addr
sizeToTransfer = 4;
sizeTransfered = 0;
status = p_SPI_Write(ftHandle, cmd, sizeToTransfer, &sizeTransfered, SPI_TRANSFER_OPTIONS_SIZE_IN_BYTES | SPI_TRANSFER_OPTIONS_CHIPSELECT_ENABLE | SPI_TRANSFER_OPTIONS_CHIPSELECT_DISABLE);
APP_CHECK_STATUS(status);
#ifdef _WIN32
Sleep(2000);
#else
sleep(2);
#endif
return status;
}
//=============================================================================
// Write_enable (chip)
//=============================================================================
#define CMD_WREN (0x06)
static FT_STATUS wren( FT_HANDLE ftHandle )
{
uint32 sizeToTransfer = 0;
uint32 sizeTransfered;
FT_STATUS status;
uint8 cmd[ 5 ];
p_SPI_Write = (pfunc_SPI_Write)GET_FUN_POINTER(h_libMPSSE, "SPI_Write");
CHECK_NULL(p_SPI_Write);
cmd[ 0 ] = CMD_WREN;
// send CMD WREN
sizeToTransfer = 1;
sizeTransfered = 0;
status = p_SPI_Write(ftHandle, cmd, sizeToTransfer, &sizeTransfered, SPI_TRANSFER_OPTIONS_SIZE_IN_BYTES | SPI_TRANSFER_OPTIONS_CHIPSELECT_ENABLE | SPI_TRANSFER_OPTIONS_CHIPSELECT_DISABLE);
APP_CHECK_STATUS(status);
#ifdef _WIN32
Sleep(2);
#else
usleep(2000);
#endif
return status;
}
//=============================================================================
// Write_disable (chip)
//=============================================================================
#define CMD_WRDI (0x04)
static FT_STATUS wrdi( FT_HANDLE ftHandle )
{
uint32 sizeToTransfer = 0;
uint32 sizeTransfered;
FT_STATUS status;
uint8 cmd[ 5 ];
p_SPI_Write = (pfunc_SPI_Write)GET_FUN_POINTER(h_libMPSSE, "SPI_Write");
CHECK_NULL(p_SPI_Write);
cmd[ 0 ] = CMD_WRDI;
// send CMD WRDI
sizeToTransfer = 1;
sizeTransfered = 0;
status = p_SPI_Write(ftHandle, cmd, sizeToTransfer, &sizeTransfered, SPI_TRANSFER_OPTIONS_SIZE_IN_BYTES | SPI_TRANSFER_OPTIONS_CHIPSELECT_ENABLE | SPI_TRANSFER_OPTIONS_CHIPSELECT_DISABLE);
APP_CHECK_STATUS(status);
return status;
}
//=============================================================================
// get_status (busy)
// return
// -1 error prog - erase
// 0 - ready
// 1 - busy
//=============================================================================
#define CMD_RDSR (0x05)
#define FLAG_WIP (1<<0)
static int get_status(FT_HANDLE ftHandle )
{
uint32 sizeToTransfer = 0;
uint32 sizeTransfered;
FT_STATUS status;
uint8 cmd[ 2 ];
p_SPI_Write = (pfunc_SPI_Write)GET_FUN_POINTER(h_libMPSSE, "SPI_Write");
CHECK_NULL(p_SPI_Write);
p_SPI_Read = (pfunc_SPI_Read)GET_FUN_POINTER(h_libMPSSE, "SPI_Read");
CHECK_NULL(p_SPI_Read);
cmd[ 0 ] = CMD_RDSR;
// send CMD RDSR
sizeToTransfer = 1;
sizeTransfered = 0;
status = p_SPI_Write(ftHandle, cmd, sizeToTransfer, &sizeTransfered, SPI_TRANSFER_OPTIONS_SIZE_IN_BYTES | SPI_TRANSFER_OPTIONS_CHIPSELECT_ENABLE);
APP_CHECK_STATUS(status);
// get status
sizeToTransfer = 1;
sizeTransfered=0;
status = p_SPI_Read(ftHandle, cmd, sizeToTransfer, &sizeTransfered, SPI_TRANSFER_OPTIONS_SIZE_IN_BYTES | SPI_TRANSFER_OPTIONS_CHIPSELECT_DISABLE);
APP_CHECK_STATUS(status);
if (cmd[0] & FLAG_WIP) return 1;
else return 0;
}