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Dimas
2026-03-18 17:13:01 +03:00
parent 4ccff96288
commit 06958767f0
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/****************************************************************/
/* TMS320C32 */
/* ====== BIOS, ÊËÀÈÍ, ÊËÂÑÏ ====== */
/* ÖÍÈÈ ÑÝÒ (ñ) 1998-2000 ã. */
/****************************************************************
Bios.c
**************************************************************
Îñíîâíûå êîììàíäû BIOS *
äëà ðàáîòû ñ RS232
****************************************************************/
#include "DSP2833x_Device.h" // DSP2833x Headerfile Include File
#include "RS485.h"
#include "bios_dsp.h"
#include "crc16.h"
#include "spise2p.h"
#include "i2c.h"
#include "log_to_mem.h"
/**********************************************************/
/* Ïðîòîòèïû ôóíêöèé, èñïîëüçóåìûõ è îïðåäåëåííûõ â ôàéëå */
/**********************************************************/
//static int _getbyte(int *addr, int offs);
unsigned int read_memory(unsigned long addr)
{
return (*(volatile int *)(addr));
}
void write_memory(unsigned long addr, unsigned int data)
{
(*(volatile int *)( addr )) = data;
}
/** Âîçâðàùàåò íîìåð êîììàíäû, åñëè åñòü èëè -1 åñëè òðàíçàêöèé íå áûëî */
int get_command(RS_DATA *rs_arr)
{
int cmd;
unsigned int crc, rcrc;
if(rs_arr->RS_DataReady) // Äàííûå ïî RS ïðèøëè
{
rs_arr->RS_DataReady = false;
cmd = rs_arr->RS_Header[1]; // Ïðî÷èòàëè íîìåð êîìàíäû
// Ïðîâåðàåì äëèíó êîìàíäû äëà ñ÷èòûâàíèà CRC
if((RS_Len[cmd]<3) || (RS_Len[cmd]>MAX_RECEIVE_LENGTH))
{
RS_Line_to_receive(rs_arr); // ðåæèì ïðèåìà RS485
RS_SetBitMode(rs_arr,9);
return -1;
}
if(cmd == CMD_LOAD) // Åñëè êîìàíäà çàãðóçêè
{
rs_arr->RS_PrevCmd = cmd;
return cmd; // Íåò ïðîâåðêè crc
}
else // Âñå îñòàëüíûå êîìàíäû
{
// Ñ÷èòûâàåì crc èç ïîñûëêè
crc = (rs_arr->RS_Header[RS_Len[cmd]-1] << 8) |
(rs_arr->RS_Header[RS_Len[cmd]-2]) ;
}
// Ðàññ÷èòûâàåì crc èç ïîñûëêè
rcrc = 0xffff;
rcrc = get_crc_16( rcrc, rs_arr->RS_Header, (RS_Len[cmd]-2) );
if(crc == rcrc) // Ïðîâåðàåì crc
{
rs_arr->RS_PrevCmd = cmd;
return cmd;
}
else
{
RS_Line_to_receive(rs_arr); // ðåæèì ïðèåìà RS485
RS_SetBitMode(rs_arr,9);
} }
return -1;
}
/** Ñòàíäàðòíûé îòâåò, áåç ïàðàìåòðîâ */
void Answer(RS_DATA *rs_arr,int n)
{
int crc;
rs_arr->buffer[0] = rs_arr->addr_recive; //CNTRL_ADDR;
rs_arr->buffer[1] = n;
crc = 0xffff;
crc = get_crc_16( crc, rs_arr->buffer, 2);
rs_arr->buffer[2] = LOBYTE(crc);
rs_arr->buffer[3] = HIBYTE(crc);
rs_arr->buffer[4] = 0;
rs_arr->buffer[5] = 0;
RS_Send(rs_arr,rs_arr->buffer, 6);
}
/* Âíóòðåííàà ô-öèà */
static char _getbyte(unsigned int *addr, int32 offs)
{
unsigned int *address;
unsigned int byte;
address = addr + offs/2;
byte = *address;
if(offs%2) return LOBYTE(byte);
else return HIBYTE(byte);
}
/**@name Êîììàíäû
* Êîììàíäû, âûçûâàåìûå ÷åðåç ïîñëåäîâàòåëüíûé êàíàë
*/
//@{
/** Èíèöèèðîâàòü çàãðóçêó áëîêà.
Íàñòðàèâàåò ïðèåì áëîêà äàííûõ */
void initload(RS_DATA *rs_arr)
{
unsigned long Address;
Address = rs_arr->RS_Header[5] & 0xFF;
Address = (Address<<8) | (rs_arr->RS_Header[4] & 0xFF);
Address = (Address<<8) | (rs_arr->RS_Header[3] & 0xFF);
Address = (Address<<8) | (rs_arr->RS_Header[2] & 0xFF);
rs_arr->RS_Length = rs_arr->RS_Header[9] & 0xFF;
rs_arr->RS_Length = (rs_arr->RS_Length<<8) | (rs_arr->RS_Header[8] & 0xFF);
rs_arr->RS_Length = (rs_arr->RS_Length<<8) | (rs_arr->RS_Header[7] & 0xFF);
rs_arr->RS_Length = (rs_arr->RS_Length<<8) | (rs_arr->RS_Header[6] & 0xFF);
rs_arr->RS_Length += 2;
rs_arr->pRS_RecvPtr = (unsigned int *)Address; //(unsigned int *)Address;
rs_arr->pRecvPtr = (unsigned int *)Address; //(unsigned int *)Address;
no_write = 1;
Answer(rs_arr,CMD_INITLOAD);
}
/** Çàãðóçêà áëîêà.
Âûçûâàåòñà ïîñëå çàãðóçêè áëîêà ÷åðåç RS */
void load(RS_DATA *rs_arr)
{
unsigned int rcrc, crc;
crc = (_getbyte(rs_arr->pRecvPtr, rs_arr->RS_Length-1) << 8) +
_getbyte(rs_arr->pRecvPtr, rs_arr->RS_Length-2);
rs_arr->RS_Header[0] = rs_arr->addr_recive;
// CNTRL_ADDR;
rs_arr->RS_Header[1]=CMD_LOAD;
rcrc = 0xffff;
rcrc = get_crc_16( rcrc, rs_arr->RS_Header, 2);
rcrc = get_crc_16b( rcrc, rs_arr->pRecvPtr, rs_arr->RS_Length-2);
if(rcrc == crc)
{
Answer(rs_arr,CMD_LOAD);
rs_arr->BS_LoadOK = true;
}
else
{
rs_arr->BS_LoadOK = false;
RS_Line_to_receive(rs_arr); // ðåæèì ïðèåìà RS485
RS_SetBitMode(rs_arr,9);
} }
/** Ïðî÷èòàòü à÷åéêó ïàìàòè */
void peek(RS_DATA *rs_arr)
{
unsigned long Address;
unsigned int Data[2], crc;
Address = rs_arr->RS_Header[5] & 0xFF;
Address = (Address<<8) | (rs_arr->RS_Header[4] & 0xFF);
Address = (Address<<8) | (rs_arr->RS_Header[3] & 0xFF);
Address = (Address<<8) | (rs_arr->RS_Header[2] & 0xFF);
if(Address>=0x20000000)
{
Address&=0xFFFFFFF;
Data[0]= I2CA_ReadData(Address); DSP28x_usDelay(500);
Data[1]= I2CA_ReadData(Address+1); DSP28x_usDelay(500);
}
else
if(Address>=0x10000000)
{
Address&=0xFFFFFFF;
Seeprom_read(Address,Data,4);
}
else
{
Address&=0xFFFFFFF;
Data[0] = read_memory(Address);
Data[1] = read_memory(Address+1);
}
rs_arr->buffer[0] = rs_arr->addr_recive; //CNTRL_ADDR;
rs_arr->buffer[1] = CMD_PEEK;
rs_arr->buffer[2] = LOBYTE(Data[0]);
rs_arr->buffer[3] = HIBYTE(Data[0]);
rs_arr->buffer[4] = 0;
rs_arr->buffer[5] = 0;
/* rs_arr->buffer[2] = LOBYTE(Data[1]);
rs_arr->buffer[3] = HIBYTE(Data[1]);
rs_arr->buffer[4] = LOBYTE(Data[0]);
rs_arr->buffer[5] = HIBYTE(Data[0]);
*/
crc = 0xffff;
crc = get_crc_16(crc, rs_arr->buffer, 6);
rs_arr->buffer[6] = LOBYTE(crc);
rs_arr->buffer[7] = HIBYTE(crc);
rs_arr->buffer[8] = 0;
rs_arr->buffer[9] = 0;
RS_Send(rs_arr,rs_arr->buffer, 10);
}
/** Çàïèñàòü â à÷åéêó ïàìàòè */
void poke(RS_DATA *rs_arr)
{
unsigned long Address;
unsigned int Data;
Address = rs_arr->RS_Header[5] & 0xFF;
Address = (Address<<8) | (rs_arr->RS_Header[4] & 0xFF);
Address = (Address<<8) | (rs_arr->RS_Header[3] & 0xFF);
Address = (Address<<8) | (rs_arr->RS_Header[2] & 0xFF);
Data = 0;
Data = (Data<<8) | (rs_arr->RS_Header[7] & 0xFF);
Data = (Data<<8) | (rs_arr->RS_Header[6] & 0xFF);
if(Address>=0x2000000)
{
Address&=0xFFFFFF;
I2CA_WriteData(Address,Data);
}
else
if(Address>=0x1000000)
{
Address&=0xFFFFFF;
Seeprom_write(Address,(unsigned int *)&Data,2);
}
else
{
Address&=0xFFFFFF;
write_memory(Address,Data);
}
Answer(rs_arr,CMD_POKE);
}
/** Ïåðåäàòü áëîê ïàìàòè */
void upload(RS_DATA *rs_arr)
{
int32 Address, Length, crc;
Read_Log = 1;
Address = rs_arr->RS_Header[5] & 0xFF;
Address = (Address<<8) | (rs_arr->RS_Header[4] & 0xFF);
Address = (Address<<8) | (rs_arr->RS_Header[3] & 0xFF);
Address = (Address<<8) | (rs_arr->RS_Header[2] & 0xFF);
Length = rs_arr->RS_Header[9] & 0xFF;
Length = (Length<<8) | (rs_arr->RS_Header[8] & 0xFF);
Length = (Length<<8) | (rs_arr->RS_Header[7] & 0xFF);
Length = (Length<<8) | (rs_arr->RS_Header[6] & 0xFF);
rs_arr->buffer[0] = rs_arr->addr_recive; //CNTRL_ADDR;
rs_arr->buffer[1] = CMD_UPLOAD;
crc = 0xffff;
crc = get_crc_16( crc, rs_arr->buffer, 2);
crc = get_crc_16b( crc, (unsigned int *)Address, Length);
RS_Send(rs_arr,rs_arr->buffer, 1); // <=2 áàéò ïî ôëàãó
rs_arr->buffer[0] = CMD_UPLOAD;
RS_Send(rs_arr,rs_arr->buffer, 1); // <=2 áàéò ïî ôëàãó
RS_Wait4OK(rs_arr);
RS_BSend(rs_arr,(unsigned int*)Address, Length);
RS_Wait4OK(rs_arr);
rs_arr->buffer[0] = LOBYTE(crc);
rs_arr->buffer[1] = HIBYTE(crc);
rs_arr->buffer[2] = 0;
rs_arr->buffer[3] = 0;
RS_Send(rs_arr,rs_arr->buffer, 4+2);
Read_Log = 0;
}
/** Ïðîøèòü TMS.
@precondition Äîëæíà áûòü ïðîèçâåäåíà çàãðóçêà áëîêà
Àäðåñ è äëèíà ïðîøèâêè áåðåòñà èç çàãîëîâêà è
ñðàâíèâàåòñà ñ ïåðåìåííûìè RecvPtr è Length, çàïîëíàåìûìè â ô-öèè load
@see load */
void extendbios(RS_DATA *rs_arr)
{
volatile unsigned long Address1,Address2,Length;
unsigned int code, mem;
Address1 = rs_arr->RS_Header[5] & 0xFF;
Address1 = (Address1<<8) | (rs_arr->RS_Header[4] & 0xFF);
Address1 = (Address1<<8) | (rs_arr->RS_Header[3] & 0xFF);
Address1 = (Address1<<8) | (rs_arr->RS_Header[2] & 0xFF);
Address2 = rs_arr->RS_Header[9] & 0xFF;
Address2 = (Address2<<8) | (rs_arr->RS_Header[8] & 0xFF);
Address2 = (Address2<<8) | (rs_arr->RS_Header[7] & 0xFF);
Address2 = (Address2<<8) | (rs_arr->RS_Header[6] & 0xFF);
Length = rs_arr->RS_Header[13] & 0xFF;
Length = (Length<<8) | (rs_arr->RS_Header[12] & 0xFF);
Length = (Length<<8) | (rs_arr->RS_Header[11] & 0xFF);
Length = (Length<<8) | (rs_arr->RS_Header[10] & 0xFF);
code=rs_arr->RS_Header[14] & 0xFF;
mem =rs_arr->RS_Header[15] & 0xFF;
switch ( code )
{
// Ïðîøèâàåì EPROM Èç RAM
case 4: Seeprom_write(Address1,(unsigned int*)Address2,Length);
break;
// ×èòàåì èç EPROM â RAM
case 5: if(mem)
I2CA_ReadBlock(Address1,(unsigned int*)Address2,Length);
else
Seeprom_read(Address1,(unsigned int *)Address2,Length);
break;
default:
return;
}
Answer(rs_arr,CMD_EXTEND);
return;
}
//@}