?? hal4sys.c
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/*
//*************************************************************************
//
// P H I L I P S P R O P R I E T A R Y
//
// COPYRIGHT (c) 2005 BY PHILIPS SINGAPORE.
// -- ALL RIGHTS RESERVED --
//
// Project: ISP1302 Eva Kit
// File Name: HAL4sys.c
// Author: Guo Yang Bin, Email: guo.yang.bin@philips.com
// Created: Nov 20, 2005
// Modified:
// Revision: 1.1
//*************************************************************************
*/
#include <stdio.h>
#include <dos.h>
#include "BasicTyp.h"
#include "hal4sys.h"
#include "isr.h"
/*
//*************************************************************************
// Public static data
//*************************************************************************
*/
ULONG Hal4Sys_ClockTicks = 0;
unsigned char far *privateBuffer;
/*
//*************************************************************************
// Private static data
//*************************************************************************
*/
USHORT D09PCKIT_PORTBASE;
UCHAR Hal4Sys_SysCtrl_PORT = 0;
USHORT D09PCKIT_PORTBASE;
extern D09FLAGS bD09flags;
UCHAR inten_state,speed=0;
//#define MK_FP(seg, ofs) ( (void __far *) ((((unsigned long)(seg)) << 16) + (ofs)))
/*
//*************************************************************************
// Subroutines
//*************************************************************************
*/
void interrupt (*Hal4Sys_OldIsr4Timer)();
void get_addresses(void)
{
D09PCKIT_PORTBASE = *((int far *)MK_FP(0x40, 0x08));
}
void Hal4Sys_End_Int(void) // end of interrupt routine
{
outportb(0x20,0x20);
}
void Hal4Sys_Initial_uP(void)
{
Hal4Sys_SysCtrl_PORT = 0;
Hal4Sys_AcquireTimer0();
}
void Hal4Sys_Release_uP(void)
{
Hal4Sys_ReleaseTimer0();
Hal4Sys_End_Int();
farfree(privateBuffer);
}
// this function added for reset and set the clock synchronization.
void Hal4Sys_ResetPCBA(void)
{
Hal4Sys_SysCtrl_PORT &= ~SCP_RST;// Hal4Sys_SysCtrl_PORT |= SCP_RST;
outportb(D09_SYSCTRL_PORT,Hal4Sys_SysCtrl_PORT); //
Hal4Sys_WaitinUS(50);
Hal4Sys_SysCtrl_PORT |= SCP_RST;
outportb(D09_SYSCTRL_PORT,Hal4Sys_SysCtrl_PORT); // reset all PCBA
Hal4Sys_WaitinUS(9000);
Hal4Sys_SysCtrl_PORT &= ~SCP_RST;
outportb(D09_SYSCTRL_PORT,Hal4Sys_SysCtrl_PORT); // reset release
}
UCHAR Hal4Sys_PowerDet(void)
{
UCHAR temp;
outportb(D09_SYSCTRL_PORT,0x80); //
// Hal4Sys_WaitinUS(10);
temp = inportb(D09_INPUT_PORT)&0x10;
if(temp)
{
outportb(D09_SYSCTRL_PORT,0x00); //
// Hal4Sys_WaitinUS(10);
temp = inportb(D09_INPUT_PORT)&0x10;
if(temp==0)
{
outportb(D09_SYSCTRL_PORT,Hal4Sys_SysCtrl_PORT);
return 1;
}
else
{
outportb(D09_SYSCTRL_PORT,0);
outportb(D09_INOUT_PORT,0);
return 0;
}
}
else
{
outportb(D09_SYSCTRL_PORT,0); // reset release
outportb(D09_INOUT_PORT,0);
return 0;
}
}
void Hal4Sys_Set_pule(void)
{
Hal4Sys_SysCtrl_PORT |= SCP_SPEED;
outportb(D09_SYSCTRL_PORT,Hal4Sys_SysCtrl_PORT); //
Hal4Sys_WaitinUS(50);
Hal4Sys_SysCtrl_PORT &= ~SCP_SPEED;
outportb(D09_SYSCTRL_PORT,Hal4Sys_SysCtrl_PORT); // reset all PCBA
Hal4Sys_WaitinUS(9000);
Hal4Sys_SysCtrl_PORT |= SCP_SPEED;
outportb(D09_SYSCTRL_PORT,Hal4Sys_SysCtrl_PORT); // reset release
}
void interrupt Hal4Sys_Isr4Timer(void)
{
Hal4Sys_ClockTicks++;
(*Hal4Sys_OldIsr4Timer)();
}
void Hal4Sys_ReleaseTimer0(void)
{
setvect(0x8, Hal4Sys_OldIsr4Timer);
}
void Hal4Sys_AcquireTimer0(void)
{
Hal4Sys_OldIsr4Timer = getvect(0x8);
setvect(0x8, Hal4Sys_Isr4Timer);
}
#define MACHINE_CYCLE 50
void Hal4Sys_WaitinUS(IN OUT ULONG time)
{
ULONG loop;
for(loop =time*MACHINE_CYCLE;loop>0 ;loop--)
{
continue;
}
}
void Hal4Sys_WaitinMS(
IN OUT ULONG time
)
{
ULONG i;
for(i=0; i<time; i++)
{
Hal4Sys_WaitinUS(16*1000);
}
}
void Hal4Sys_ControlD09Interrupt(BOOLEAN InterruptEN)
{
if(InterruptEN)
{
inten_state = 0x80;
}
else
{
inten_state = 0;
}
// outportb(D09_ADDRESS_PORT,inten_state);
}
//I2C soft host
void CLK_SCL_H(void)
{
Hal4Sys_SysCtrl_PORT &= ~SCP_SCL;
outportb(D09_SYSCTRL_PORT,Hal4Sys_SysCtrl_PORT);
Hal4Sys_WaitinUS(speed);
}
void CLK_SCL_L(void)
{
Hal4Sys_SysCtrl_PORT |= SCP_SCL;
outportb(D09_SYSCTRL_PORT,Hal4Sys_SysCtrl_PORT);
Hal4Sys_WaitinUS(speed);
}
void MOSI_SDA_H(void)
{
outportb(D09_INOUT_PORT,1);
Hal4Sys_WaitinUS(speed);
}
void MOSI_SDA_L(void)
{
outportb(D09_INOUT_PORT,4);
Hal4Sys_WaitinUS(speed);
}
void Hal4Sys_i2c_start(void)
{
CLK_SCL_H();
MOSI_SDA_H();
MOSI_SDA_L();
CLK_SCL_L();
}
UCHAR Hal4Sys_i2c_get_address(void)
{
if(bD09flags.bits.adr_state)
return 0x58;
else
return 0x5A;
}
void Hal4Sys_i2c_send_data(UCHAR data)
{
UCHAR i,temp;
for(i=0; i<8; i++)
{
temp = (data<<i)&0x80;
if(temp)
MOSI_SDA_H();
else
MOSI_SDA_L();
CLK_SCL_H();
CLK_SCL_L();
}
}
void Hal4Sys_i2c_ack(void)
{
UCHAR i=0, temp;
i=0;
MOSI_SDA_H();
CLK_SCL_H();
do{
temp = inportb(D09_INPUT_PORT)&0x20;
if(temp==0)
{
i++;
if(i>20)
{
printf("i2c no ack");
break;
}
}
else
break;
}while(1);
CLK_SCL_L();
Hal4Sys_WaitinUS(10);
}
void Hal4Sys_i2c_noack(void)
{
MOSI_SDA_H();
CLK_SCL_H();
CLK_SCL_L();
}
void Hal4Sys_i2c_stop(void)
{
MOSI_SDA_L();
CLK_SCL_L();
CLK_SCL_H();
MOSI_SDA_H();
}
UCHAR Hal4Sys_i2c_get_data(void)
{
UCHAR i,data,temp;
data = 0;
for(i=0; i<8; i++)
{
CLK_SCL_H();
temp = ((~inportb(D09_INPUT_PORT))>>5)&0x01;
data =(data<<1)|temp;
CLK_SCL_L();
}
return data;
}
UCHAR Hal4Sys_Read(UCHAR address)
{
UCHAR i2c_address,data;
if(bD09flags.bits.bus_state)
{
i2c_address = Hal4Sys_i2c_get_address();
Hal4Sys_i2c_start();
Hal4Sys_i2c_send_data(i2c_address);
Hal4Sys_i2c_ack();
Hal4Sys_i2c_send_data(address);
Hal4Sys_i2c_ack();
Hal4Sys_i2c_start();
Hal4Sys_i2c_send_data(i2c_address|1);
Hal4Sys_i2c_ack();
data=Hal4Sys_i2c_get_data();
Hal4Sys_i2c_noack();
Hal4Sys_i2c_stop();
}
else
{
Hal4Sys_SPI_start();
Hal4Sys_SPI_address(address);
Hal4Sys_SPI_null();
data= Hal4Sys_SPI_getdata();
Hal4Sys_SPI_stop();
}
return data;
}
void Hal4Sys_Write(UCHAR data, UCHAR address)
{
UCHAR i2c_address;
if(bD09flags.bits.bus_state)
{
i2c_address = Hal4Sys_i2c_get_address();
Hal4Sys_i2c_start();
Hal4Sys_i2c_send_data(i2c_address);
Hal4Sys_i2c_ack();
Hal4Sys_i2c_send_data(address);
Hal4Sys_i2c_ack();
Hal4Sys_i2c_send_data(data);
Hal4Sys_i2c_ack();
Hal4Sys_i2c_stop();
}
else
{
Hal4Sys_SPI_start();
Hal4Sys_SPI_address(address|0X20);
Hal4Sys_SPI_null();
Hal4Sys_SPI_senddata(data);
Hal4Sys_SPI_stop();
}
}
void Hal4Sys_SPI_start(void)
{
Hal4Sys_SysCtrl_PORT |= SCP_ADR;
Hal4Sys_SysCtrl_PORT |= SCP_SCL;
outportb(D09_SYSCTRL_PORT,Hal4Sys_SysCtrl_PORT);
Hal4Sys_SysCtrl_PORT &= ~SCP_ADR;
outportb(D09_SYSCTRL_PORT,Hal4Sys_SysCtrl_PORT);
}
void Hal4Sys_SPI_stop(void)
{
Hal4Sys_SysCtrl_PORT |= SCP_ADR;
outportb(D09_SYSCTRL_PORT,Hal4Sys_SysCtrl_PORT);
CLK_SCL_L();
MOSI_SDA_L();
}
void Hal4Sys_SPI_address(UCHAR data)
{
UCHAR i,temp;
for(i=2; i<8; i++)
{
temp = (data<<i)&0x80;
if(temp)
MOSI_SDA_H();
else
MOSI_SDA_L();
CLK_SCL_H();
CLK_SCL_L();
}
}
void Hal4Sys_SPI_null(void)
{
UCHAR i;
for(i=0; i<18; i++)
{
CLK_SCL_H();
CLK_SCL_L();
}
}
void Hal4Sys_SPI_senddata(UCHAR data)
{
UCHAR i,temp;
for(i=0; i<8; i++)
{
temp = (data<<i)&0x80;
if(temp)
MOSI_SDA_H();
else
MOSI_SDA_L();
CLK_SCL_H();
CLK_SCL_L();
}
}
UCHAR Hal4Sys_SPI_getdata(void)
{
UCHAR i,data,temp;
data = 0;
for(i=0; i<8; i++)
{
CLK_SCL_H();
temp = ((~inportb(D09_INPUT_PORT))>>6)&0x01;
data =(data<<1)|temp;
CLK_SCL_L();
}
return data;
}
void Hal4Sys_SetSPI_Mode(void)
{
Hal4Sys_SysCtrl_PORT |= SCP_SPIEN;
Hal4Sys_SysCtrl_PORT |= SCP_ADR;
Hal4Sys_SysCtrl_PORT |= SCP_SCL;
outportb(D09_SYSCTRL_PORT,Hal4Sys_SysCtrl_PORT);
MOSI_SDA_L();
Hal4Sys_ResetPCBA();
}
void Hal4Sys_SetI2C_Mode(void)
{
if(bD09flags.bits.adr_state ==1)
{
Hal4Sys_SysCtrl_PORT &= ~(SCP_SPIEN|SCP_SCL);
Hal4Sys_SysCtrl_PORT |= SCP_ADR;
}
else
Hal4Sys_SysCtrl_PORT &=~(SCP_ADR|SCP_SPIEN|SCP_SCL);
outportb(D09_SYSCTRL_PORT,Hal4Sys_SysCtrl_PORT);
MOSI_SDA_L();
Hal4Sys_ResetPCBA();
}
void Hal4Sys_Service_Low(void)
{
Hal4Sys_SysCtrl_PORT |= SCP_SERVICE;
outportb(D09_SYSCTRL_PORT,Hal4Sys_SysCtrl_PORT);
}
void Hal4Sys_Service_High(void)
{
Hal4Sys_SysCtrl_PORT &= ~SCP_SERVICE;
outportb(D09_SYSCTRL_PORT,Hal4Sys_SysCtrl_PORT);
}
void Hal4Sys_OE_High(void)
{
Hal4Sys_SysCtrl_PORT &= ~SCP_OEN;
outportb(D09_SYSCTRL_PORT,Hal4Sys_SysCtrl_PORT);
}
void Hal4Sys_OE_Low(void)
{
Hal4Sys_SysCtrl_PORT |= SCP_OEN;
outportb(D09_SYSCTRL_PORT,Hal4Sys_SysCtrl_PORT);
}
/*
UCHAR Hal4Sys_Get_Rxd(UCHAR TXD)
{
UCHAR temp;
if(TXD)
Hal4Sys_SysCtrl_PORT |= SCP_TXD;
else
Hal4Sys_SysCtrl_PORT &= ~SCP_TXD;
outportb(D09_SYSCTRL_PORT,Hal4Sys_SysCtrl_PORT);
temp = inportb(D09_SYSCTRL_PORT);
if(temp&0x04)
return 1;
else
return 0;
}
UCHAR Hal4Sys_Get_Iset(void)
{
UCHAR temp;
temp = inportb(D09_SYSCTRL_PORT);
if(temp&0x08)
return 1;
else
return 0;
}*/
UCHAR Hal4Sys_Get_Int(void)
{
UCHAR temp;
temp = ~inportb(D09_INPUT_PORT);
if(temp&0x80)
return 1;
else
return 0;
}
void interrupt (*Hal4Sys_OldIsr4D09)(void);
void Hal4Sys_AcquireD09(void)
{
UCHAR c, eo;
Hal4Sys_OldIsr4D09 = getvect(0x0D);
setvect(0x0D, usb_isr);
c = inportb(0x21);
c &= 0xDF;
outportb(0x21, c);
get_addresses();
}
void Hal4Sys_ReleaseD09(void)
{
UCHAR c;
outportb(D09_SYSCTRL_PORT,0);
outportb(D09_INOUT_PORT,0x01);
c = inportb(0x21);
c |= 0x20;
outportb(0x21, c);
setvect(0xD, Hal4Sys_OldIsr4D09);
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