?? hwaccess.c
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#include <ansi_c.h>
#include <userint.h>
#include "SMCanalyzer.h"
#include <utility.h>
#include <cvirte.h> /* Needed if linking in external compiler; harmless otherwise */
#include "hwcfg.h"
#include "HwAccess.h"
#include "common.h"
extern struct ADDRESS Media;
void HwInitial(void)
{
outp (ECRPORT,0x00); // Configure Parallel to SPP mode
outp (CONTROLPORT,0x04); // Initialize control line
outp (ECRPORT,0x80); // Configure Parallel to EPP mode
Hw_VccOff();
Hw_chip_disable();
Hw_write_disable();
}
unsigned char CheckReader(void)
{
int i;
outp (CONTROLPORT,0x04); // output High level
for (i=500;i;i--);
if (!(inp (STATUSPORT) & READER_STATUS)) return 0;
outp (CONTROLPORT,0x00); // output Low level
for (i=500;i;i--);
if (inp (STATUSPORT) & READER_STATUS) return 0;
outp (CONTROLPORT,0x04); // output High level
return 1;
}
void SoftReset_Smc(void) //Reset Flash
{
short int i;
Hw_cmd_latch_enable();
Hw_OutData(Reset_cmd ); /*Reset command (ffh)*/
Hw_cmd_latch_disable();
for(i=0; i<1000; i++); /* Waiting for tRST */
}
/* Physical Page Read
PageRead()
Read 528 bytes from SmartMedia
*/
void PageRead(unsigned char *page_data, unsigned int page_add)
{
unsigned char Adr1, Adr2, Adr3, Adr4; // Startaddress pieces
short int i;
Adr1 = 0x00;
Adr2 = (unsigned char)((page_add >> 9) & 0xFF); // Adr2 = A9-A16
Adr3 = (unsigned char)((page_add >> 17) & 0xFF); // Adr3 = A24-A17
if (info_flash[1] == 16) Adr3 &= 0x7F; // set A24 to 0 if 16MB
Adr4 = (unsigned char)((page_add >> 25) & 0x01); // Adr3 = A25
SoftReset_Smc();
Hw_chip_enable();
Hw_cmd_latch_enable();
Hw_OutData(Read1_cmd); /* Read Mode1 command (00h) */
Hw_cmd_latch_disable();
Hw_add_latch_enable();
Hw_OutData(Adr1);
Hw_OutData(Adr2);
Hw_OutData(Adr3);
if(info_flash[1]>=64) Hw_OutData(Adr4);
Hw_add_latch_disable();
for(i=0; i<2000; i++);
for(i=0;i<info_flash[4];i++) page_data[i]= Hw_InData(); /*Page data Read*/
Hw_chip_disable();
}
short int StatusCheck(void) //status check
{
short int i;
unsigned char status;
for(i=0; i<30000; i++){
Hw_cmd_latch_enable();
Hw_OutData(Read_Status1_cmd); // 0x70
Hw_cmd_latch_disable();
status= Hw_InData();
if (status == 0xc0) break;
}
if (status == 0xc0) return PASS;
else return FAIL;
}
short int BlockErase(unsigned int page_add) // Erasing single block
{
unsigned char Adr2, Adr3, Adr4; // Startaddress pieces
short int i;
Adr2 = (unsigned char)((page_add >> 9) & 0xFF); // Adr2 = A9-A16
Adr3 = (unsigned char)((page_add >> 17) & 0xFF); // Adr3 = A24-A17
if (info_flash[1] == 16) Adr3 &= 0x7F; // set A24 to 0 if 16MB
Adr4 = (unsigned char)((page_add >> 25) & 0x01); // Adr3 = A25
Hw_chip_enable();
Hw_write_enable();
Hw_cmd_latch_enable();
Hw_OutData(Block_Erase_cmd); //Block Erase command (60h)
Hw_cmd_latch_disable();
Hw_add_latch_enable();
Hw_OutData(Adr2);
Hw_OutData(Adr3);
if(info_flash[1]>=64) Hw_OutData(Adr4);
Hw_add_latch_disable();
Hw_cmd_latch_enable();
Hw_OutData(Block_Erase_Confirm_cmd); /* Block Erase Confirm command (D0h) */
Hw_cmd_latch_disable();
if(StatusCheck()!=FAIL) return PASS;
else return FAIL;
}
/* Physical Page Write
PageWrite()
Write 528 bytes to SmartMedia from DataBuffer
*/
short int PageWrite(unsigned char *write_data,unsigned int page_add)
{
unsigned char Adr1, Adr2, Adr3, Adr4; // Startaddress pieces
short int i;
Adr1 = 0x00;
Adr2 = (unsigned char)((page_add >> 9) & 0xFF); // Adr2 = A9-A16
Adr3 = (unsigned char)((page_add >> 17) & 0xFF); // Adr3 = A24-A17
if (info_flash[1] == 16) Adr3 &= 0x7F; // set A24 to 0 if 16MB
Adr4 = (unsigned char)((page_add >> 25) & 0x01); // Adr3 = A25
SoftReset_Smc();
Hw_chip_enable();
Hw_write_enable();
Hw_cmd_latch_enable();
Hw_OutData(Serial_Data_Input_cmd); //Sequential Data Input command (80h)
Hw_cmd_latch_disable();
Hw_add_latch_enable();
Hw_OutData(Adr1);
Hw_OutData(Adr2);
Hw_OutData(Adr3);
if(info_flash[1]>=64) Hw_OutData(Adr4);
Hw_add_latch_disable();
for(i=0; i<2000; i++);
for(i=0;i<info_flash[4];i++) Hw_OutData(write_data[i]); //Page data write
Hw_cmd_latch_enable();
Hw_OutData(Page_Program_True_cmd); //Page Program command (10h)
Hw_cmd_latch_disable();
if (StatusCheck() !=PASS)
{
printf("Invalid Blocks are detected");
Hw_chip_disable();
Hw_write_enable();
return FAIL;
}
Hw_chip_disable();
Hw_write_enable();
return PASS;
}
unsigned int ReadID(void) // Read ID
{
unsigned int i,dent_bit;
unsigned char m_code,d_code;
Hw_chip_enable();
Hw_cmd_latch_enable();
Hw_OutData(ReadID1_cmd); /*Read ID command*/
Hw_cmd_latch_disable();
Hw_add_latch_enable();
Hw_OutData(0x00); /*1st address cycle*/
Hw_add_latch_disable();
m_code = Hw_InData(); /* Reading 2 byte data */
d_code = Hw_InData();
if(d_code==0xa4) dent_bit=4;
else if(d_code==0x6e||d_code==0xec) dent_bit=8;
else if(d_code==0xea||d_code==0x64) dent_bit=16;
else if(d_code==0xe3||d_code==0xe5||d_code==0x6b) dent_bit=32;
else if(d_code==0xe6||d_code==0x6d||d_code==0x70) dent_bit=64;
else if(d_code==0x73||d_code==0xf2) dent_bit=128;
else if(d_code==0xf4||d_code==0x75) dent_bit=256;
else if(d_code==0xf7||d_code==0x76) dent_bit=512;
else if(d_code==0xf8||d_code==0x79) dent_bit=1024;
info_flash[0]= m_code; //0xec;samsung,0x98:toshiba
switch (dent_bit){
case 8:
info_flash[1]=1; // device_type 1:1M, 2:2M, 4:4M, 8:8M, 16:16M, 32:32M ...bytes
info_flash[2]=256; // blocks_disk value: blocks in a disk
info_flash[3]=16; // pages_block value: pages in a block
info_flash[4]=264; // page_size value: page_size in bytes
info_flash[5]=256; // data_size value: data_size in bytes
info_flash[6]=8; // spare_size value: spare_size in bytes
info_flash[7]=8; // sector count value: sectors per block
info_flash[8]=0x0f; // Max Address value: ADD3 value
info_flash[9]=0x00; // Max Address value: ADD4 value
break;
case 16:
info_flash[1]=2; // device_type 1:1M, 2:2M, 4:4M, 8:8M, 16:16M, 32:32M ...bytes
info_flash[2]=512; // blocks_disk value: blocks in a disk
info_flash[3]=16; // pages_block value: pages in a block
info_flash[4]=264; // page_size value: page_size in bytes
info_flash[5]=256; // data_size value: data_size in bytes
info_flash[6]=8; // spare_size value: spare_size in bytes
info_flash[7]=8; // sector count value: sectors per block
info_flash[8]=0x1f; // Max Address value: ADD3 value
info_flash[9]=0x00; // Max Address value: ADD4 value
break;
case 32:
info_flash[1]=4; // device_type 1:1M, 2:2M, 4:4M, 8:8M, 16:16M, 32:32M ...bytes
info_flash[2]=512; // blocks_disk value: blocks in a disk
info_flash[3]=16; // pages_block value: pages in a block
info_flash[4]=528; // page_size value: page_size in bytes
info_flash[5]=512; // data_size value: data_size in bytes
info_flash[6]=16; // spare_size value: spare_size in bytes
info_flash[7]=16; // sector count value: sectors per block
info_flash[8]=0x1f; // Max Address value: ADD3 value
info_flash[9]=0x00; // Max Address value: ADD4 value
break;
case 64:
info_flash[1]=8; // device_type 1:1M, 2:2M, 4:4M, 8:8M, 16:16M, 32:32M ...bytes
info_flash[2]=1024; // blocks_disk value: blocks in a disk
info_flash[3]=16; // pages_block value: pages in a block
info_flash[4]=528; // page_size value: page_size in bytes
info_flash[5]=512; // data_size value: data_size in bytes
info_flash[6]=16; // spare_size value: spare_size in bytes
info_flash[7]=16; // sector count value: sectors per block
info_flash[8]=0x3f;
info_flash[9]=0x00; // Max Address value: ADD4 value
break;
case 128:
info_flash[1]=16; // device_type 1:1M, 2:2M, 4:4M, 8:8M, 16:16M, 32:32M ...bytes
info_flash[2]=1024; // blocks_disk value: blocks in a disk
info_flash[3]=32; // pages_block value: pages in a block
info_flash[4]=528; // page_size value: page_size in bytes
info_flash[5]=512; // data_size value: data_size in bytes
info_flash[6]=16; // spare_size value: spare_size in bytes
info_flash[7]=32; // sector count value: sectors per block
info_flash[8]=0x7f; // Max Address value: ADD3 value
info_flash[9]=0x00; // Max Address value: ADD4 value
break;
case 256:
info_flash[1]=32; // device_type 1:1M, 2:2M, 4:4M, 8:8M, 16:16M, 32:32M ...bytes
info_flash[2]=2048; // blocks_disk value: blocks in a disk
info_flash[3]=32; // pages_block value: pages in a block
info_flash[4]=528; // page_size value: page_size in bytes
info_flash[5]=512; // data_size value: data_size in bytes
info_flash[6]=16; // spare_size value: spare_size in bytes
info_flash[7]=32; // sector count value: sectors per block
info_flash[8]=0xff; // Max Address value: ADD3 value
info_flash[9]=0x00; // Max Address value: ADD4 value
break;
case 512:
info_flash[1]=64; // device_type 1:1M, 2:2M, 4:4M, 8:8M, 16:16M, 32:32M ...bytes
info_flash[2]=4096; // blocks_disk value: blocks in a disk
info_flash[3]=32; // pages_block value: pages in a block
info_flash[4]=528; // page_size value: page_size in bytes
info_flash[5]=512; // data_size value: data_size in bytes
info_flash[6]=16; // spare_size value: spare_size in bytes
info_flash[7]=32; // sector count value: sectors per block
info_flash[8]=0xff; // Max Address(UNKNOWN) value: ADD3 value
info_flash[9]=0x01; // Max Address value: ADD4 value
break;
case 1024:
info_flash[1]=128; // device_type 1:1M, 2:2M, 4:4M, 8:8M, 16:16M, 32:32M ...bytes
info_flash[2]=8192; // blocks_disk value: blocks in a disk
info_flash[3]=32; // pages_block value: pages in a block
info_flash[4]=528; // page_size value: page_size in bytes
info_flash[5]=512; // data_size value: data_size in bytes
info_flash[6]=16; // spare_size value: spare_size in bytes
info_flash[7]=32; // sector count value: sectors per block
info_flash[8]=0xff; // Max Address(UNKNOWN) value: ADD3 value
info_flash[9]=0x03; // Max Address value: ADD4 value
break;
default:
for(i=0;i<10;i++) info_flash[i]=0x00; //Unknown device type and density
dent_bit=0xff;
}
return (dent_bit); // Returning to device density
}
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