📄 44blib.c.bak
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/************************************************
* NAME : 44BLIB.C *
************************************************/
//#include "44b.h"
//#include "44blib.h"
//#include "def.h"
//#include "option.h"
#include "includes.h"
//#include <stdarg.h>
//#include <string.h>
//#include <stdlib.h>
//#include <stdio.h>
//#include <ctype.h>
extern void RTL8019ISR(void);
#define STACKSIZE 0xa00 //SVC satck size(do not use user stack)
#define HEAPEND (_ISR_STARTADDRESS-STACKSIZE-0x500) // = 0xc7ff000
//SVC Stack Area:0xc(e)7ff000-0xc(e)7ffaff
extern char Image$$RW$$Limit[];
void *mallocPt=Image$$RW$$Limit;
/************************* SYSTEM *************************/
void Delay(int time)
{
int i;
int delayLoopCount=400;
for(;time>0;time--)
for(i=0;i<delayLoopCount;i++);
}
/************************* PORTS ****************************/
void Port_Init(void)
{
// PORT A GROUP
/* BIT 9 8 7 6 5 4 3 2 1 0 */
/* A24 A23 A22 A21 A20 A19 A18 A17 A16 A0 */
/* 0 1 1 1 1 1 1 1 1 1 */
rPCONA = 0x1ff;
// PORT B GROUP
/* BIT 10 9 8 7 6 5 4 3 2 1 0 */
/* /CS5 /CS4 /CS3 /CS2 /CS1 nWBE3 nWBE2 /SRAS /SCAS SCLK SCKE */
/* EXT NIC 8019 IDE D12 NC NC Sdram Sdram Sdram Sdram */
/* 1, 1, 1, 1, 1, 0, 0, 1, 1, 1, 1 */
rPDATB = 0x04f;
rPCONB = 0x7cf;
//PORT C GROUP
//BUSWIDTH=16 */
/* PC15 14 13 12 11 10 9 8 */
/* o o RXD1 TXD1 o o o o */
/* NC NC Uart1 Uart1 NC NC NC NC */
/* 01 01 11 11 01 01 01 01 */
/* PC7 6 5 4 3 2 1 0 */
/* o o o o o o o o */
/* NC NC NC NC LED LED LED LED */
/* 01 01 01 01 01 01 01 01 */
rPDATC = 0x0000; //All IO is low
rPCONC = 0x5f555555;
rPUPC = 0x3000; //PULL UP RESISTOR should be enabled to I/O
//PORT D GROUP
/* PORT D GROUP(I/O OR LCD) */
/* BIT7 6 5 4 3 2 1 0 */
/* VF VM VLINE VCLK VD3 VD2 VD1 VD0 */
/* 01 01 01 01 01 01 01 01 */
rPDATD= 0x55;
rPCOND= 0xaaaa;
rPUPD = 0x00;
//These pins must be set only after CPU's internal LCD controller is enable
/////////////////////////////////////////////////////
//PORT E GROUP
/* Bit 8 7 6 5 4 3 2 1 0 */
/* ENDLAN o o TOU2 o o RXD0 TXD0 FOUT */
/* 00 01 01 10 01 01 10 10 11 */
rPDATE = 0x157; //Beep = 10
rPCONE = 0x556b;
rPUPE = 0xff;
//PORT F GROUP
/* Bit8 7 6 5 4 3 2 1 0 */
/* IISCLK IISDI IISDO IISLRCK Input Input Input IICSDA IICSCL */
/* 100 100 100 100 00 00 00 10 10 */
rPDATF = 0x0;
rPCONF = 0x24900a;
rPUPF = 0x1d3;
//PORT G GROUP
/* BIT7 6 5 4 3 2 1 0 */
/* EINT7 EINT6 EINT5 EINT4 EINT3 EINT2 EINT1 EINT0 */
/* KEY3 KEY2 KEY1 KEY0 NIC EXT IDE USB */
/* 11 11 11 11 11 11 11 11 */
rPDATG = 0xff;
rPCONG = 0x000f; //enable extint0 extint1
rPUPG = 0x00; //enabled pull up register
rSPUCR= 0x7; //D15-D0 pull-up disable
//rSPUCR= 0x6; //D15-D0 pull-up enable
rNCACHBE0=(((Non_Cache_End)>>12)<<16)|((Non_Cache_Start)>>12);
// rSYSCFG = 0x0e; //使用8K字节的指令缓存,write buffer disable
// rNCACHBE0 = 0xc0000000; //定义非Cache区,从0x0000000到0xbffffff 烧写FLASH时不能对FLASH cache
// rEXTINT = 0x42; //所有的外部硬件中断为低电平触发, extint0 为下降沿，extint1为上升沿
// rINTCON = 5; // non vector mode, irq enable
// rINTMOD = 0; //all are irq mode
// rINTMSK = BIT_EINT1|BIT_GLOBAL;
}
/*void Port_Init(void)
{
//ADB V1.0 B/D Status
//USB D12SUSPD
// PC0
//LED D0 D1 D2
// PC1 PC2 PC3
//KEY K0 K1 K2 K3
// PG4 PG5 PG6 PG7
//CAUTION:Follow the configuration order for setting the ports.
// 1) setting value
// 2) setting control register
// 3) configure pull-up resistor.
//16bit data bus configuration
//PORT A GROUP
//rPCONA[9:0]
//|BIT9 |.......................................................|BIT0
//|ADDR24|ADDR23|ADDR22|ADDR21|ADDR20|ADDR19|ADDR18|ADDR17|ADDR16|ADDR0
//| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1
rPCONA=0x1ff;
//PORT B GROUP
//rPCONB[10:0]
//|BIT10|....................................................|BIT0
//|nGCS5|nGCS4|nGCS3|nGCS2|nGCS1|nWBE3|nWBE2|nSRAS|nSCAS|SCLK|SCKE
//| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1
rPDATB=0x3ff;
rPCONB=0x3ff;
//PORT C GROUP
//BUSWIDTH=16
//PORT C GROUP
//rPCONC[31:0]
//|GPC15|.............................................GPC5GPC4...............| GPC0
//|BIT31|....................................................................| BIT0
//|nCTS0|nRTS0|RXD1|TXD1|nCTS1|nRTS1|nEL|nDISP|VD4|VD6| | |LED2|LED1|LED0|D12SUSPD
//| 00| 00| 11| 11| 00| 00| 01| 01| 11| 11| 01| 01| 01| 01| 01| 01
//rPUPC[15:0]
//| 0| 0| 1| 1| 0| 0| 0| 0| 1| 1| 0| 0| 0| 0| 0| 0
rPDATC=0xffff; //All I/O Is High
rPCONC=0x0f05f555;
rPUPC=0x30c0; //PULL UP RESISTOR should be enabled to I/O
//PORT D GROUP
//rPCOND
//| BIT15|.........................|BIT0
//|VFRAME|VM|VLINE|VCLK|VD3|VD2|VD1|VD0
//| 10|10| 10| 10| 10| 10| 10| 10
rPDATD=0xff;
//These pins must be set only after CPU's internal LCD controller is enable
rPCOND=0xaaaa;
rPUPD=0xff;
//PORT E GROUP
//rPCONE
//| BIT17 |..............................|BIT0
//|CODECLK|PE7|PE6|BEEP|PE4|PE3|RXD0|TXD0| PE0
//| 10| 00| 00| 01| 00| 00| 10| 10| 00 -zq
//|rPUPE[7:0]
// | 0| 0| 0| 0| 0| 1| 1| 0
rPDATE=0x1ff; //All I/O Is High
rPCONE=0x20428; //All NC is INPUT
rPUPE=0x06; //PE8 do not have programmable pull-up resistor.
//PORT F GROUP
//rPCONF[21:0]
//| BIT21|....................................| BIT0
//|IISCLK|PF7|IISDO|IISLRCK|PF4|PF3|PF2|IICSDA|IICSCL
//| 100|000| 100| 100| 00| 00| 00| 10| 10
//rPUPF[8:0]
//| 1| 0| 1| 1| 0| 0| 0| 1| 1
rPDATF=0x1ff; //All I/O Is High
rPCONF=0x20900a;//All NC is INPUT
rPUPF=0x163;
//PORT G GROUP
//rPCONG[15:0]
//|BIT15|....................................| BIT0
//| KEY3|KEY2|KEY1|KEY0|EXINT3|EXINT2|NET_INT|USB_INT
//| 11| 11| 11| 11| 11| 11| 11| 11
rPDATG=0xff;
rPCONG=0xffff;
rPUPG=0x0; //should be enabled
rSPUCR=0x7; //D15-D0 pull-up disable
rEXTINT=0x0; //All EXTINT0-7 Low level interrupt
//Define the Non_Cache area
rNCACHBE0=(((Non_Cache_End)>>12)<<16)|((Non_Cache_Start)>>12);
}*/
/************************* UART ****************************/
static int whichUart=0;
void Uart_Init(int mclk,int baud)
{
int i;
if(mclk==0)
mclk=MCLK;
rUFCON0=0x0; //FIFO disable
rUFCON1=0x0;
rUMCON0=0x0;
rUMCON1=0x0;
//UART0
rULCON0=0x3; //Normal,No parity,1 stop,8 bit
rUCON0=0x245; //rx=edge,tx=level,disable timeout int.,enable rx error int.,normal,interrupt or polling
rUBRDIV0=( (int)(mclk/16./baud + 0.5) -1 );
//UART1
rULCON1=0x3;
rUCON1=0x245;
rUBRDIV1=( (int)(mclk/16./baud + 0.5) -1 );
for(i=0;i<100;i++);
}
void Uart_Select(int ch)
{
whichUart=ch;
}
void Uart_TxEmpty(int ch)
{
if(ch==0)
while(!(rUTRSTAT0 & 0x4)); //wait until tx shifter is empty.
else
while(!(rUTRSTAT1 & 0x4)); //wait until tx shifter is empty.
}
char Uart_Getch(void)
{
if(whichUart==0)
{
while(!(rUTRSTAT0 & 0x1)); //Receive data read
return RdURXH0();
}
else
{
while(!(rUTRSTAT1 & 0x1)); //Receive data ready
return rURXH1;
}
}
char Uart_GetKey(void)
{
if(whichUart==0)
{
if(rUTRSTAT0 & 0x1) //Receive data ready
return RdURXH0();
else
return 0;
}
else
{
if(rUTRSTAT1 & 0x1) //Receive data ready
return rURXH1;
else
return 0;
}
}
void Uart_GetString(char *string)
{
char *string2=string;
char c;
while((c=Uart_Getch())!='\r')
{
if(c=='\b')
{
if( (int)string2 < (int)string )
{
Uart_Printf("\b \b");
string--;
}
}
else
{
*string++=c;
Uart_SendByte(c);
}
}
*string='\0';
Uart_SendByte('\n');
}
int Uart_GetIntNum(void)
{
char str[30];
char *string=str;
int base=10;
int minus=0;
int lastIndex;
int result=0;
int i;
Uart_GetString(string);
if(string[0]=='-')
{
minus=1;
string++;
}
if(string[0]=='0' && (string[1]=='x' || string[1]=='X'))
{
base=16;
string+=2;
}
lastIndex=strlen(string)-1;
if( string[lastIndex]=='h' || string[lastIndex]=='H' )
{
base=16;
string[lastIndex]=0;
lastIndex--;
}
if(base==10)
{
result=atoi(string);
result=minus ? (-1*result):result;
}
else
{
for(i=0;i<=lastIndex;i++)
{
if(isalpha(string[i]))
{
if(isupper(string[i]))
result=(result<<4)+string[i]-'A'+10;
else
result=(result<<4)+string[i]-'a'+10;
}
else
{
result=(result<<4)+string[i]-'0';
}
}
result=minus ? (-1*result):result;
}
return result;
}
void Uart_SendByte(char data)
{
if(whichUart==0)
{
if(data=='\n')
{
while(!(rUTRSTAT0 & 0x2));
Delay(10); //because the slow response of hyper_terminal
WrUTXH0('\r');
}
while(!(rUTRSTAT0 & 0x2)); //Wait until THR is empty.
Delay(10);
WrUTXH0(data);
}
else
{
if(data=='\n')
{
while(!(rUTRSTAT1 & 0x2));
Delay(10); //because the slow response of hyper_terminal
rUTXH1='\r';
}
while(!(rUTRSTAT1 & 0x2)); //Wait until THR is empty.
Delay(10);
rUTXH1=data;
}
}
void Uart_SendString(char *pt)
{
while(*pt)
Uart_SendByte(*pt++);
}
//if you don't use vsprintf(), the code size is reduced very much.
void Uart_Printf(char *fmt,...)
{
va_list ap;
char string[256];
va_start(ap,fmt);
vsprintf(string,fmt,ap);
Uart_SendString(string);
va_end(ap);
}
/************************* ledblink *****************************/
void Led_Display(int LedStatus)
{
//PC1,PC2,PC3 High available
rPDATC=(rPDATC & 0x1f1) | ((LedStatus & 0x7)<<1);
}
/************************* beep *********************************/
void Beep(int BeepStatus)
{
//PE5 Low available
if (BeepStatus==0)
rPDATE=rPDATE&0x1df;
else
rPDATE=rPDATE|0x020;
}
/************************* Timer ********************************/
void Timer_Start(int divider) //0:16us,1:32us 2:64us 3:128us
{
rWTCON=((MCLK/1000000-1)<<8)|(divider<<3);
rWTDAT=0xffff;
rWTCNT=0xffff;
// 1/16/(65+1),nRESET & interrupt disable
rWTCON=((MCLK/1000000-1)<<8)|(divider<<3)|(1<<5);
}
int Timer_Stop(void)
{
// int i;
rWTCON=((MCLK/1000000-1)<<8);
return (0xffff-rWTCNT);
}
/************************* PLL ********************************/
void ChangePllValue(int mdiv,int pdiv,int sdiv)
{
rPLLCON=(mdiv<<12)|(pdiv<<4)|sdiv;
}
/************************* General Library **********************/
//void * malloc(unsigned nbyte)
/*Very simple; Use malloc() & free() like Stack*/
//void *mallocPt=Image$$RW$$Limit;
/*{
void *returnPt=mallocPt;
mallocPt= (int *)mallocPt+nbyte/4+((nbyte%4)>0); //to align 4byte
if( (int)mallocPt > HEAPEND )
{
mallocPt=returnPt;
return NULL;
}
return returnPt;
}
void free(void *pt)
{
mallocPt=pt;
}*/
void Cache_Flush(void)
{
int i,saveSyscfg;
saveSyscfg=rSYSCFG;
rSYSCFG=SYSCFG_0KB;
for(i=0x10004000;i<0x10004800;i+=16)
{
*((int *)i)=0x0;
}
rSYSCFG=saveSyscfg;
}
void FRMWRK_vStartTicker(U32 wTicksPerSec)
{
#if OS_CRITICAL_METHOD == 3 /* Allocate storage for CPU status register */
OS_CPU_SR cpu_sr;
#endif
OS_ENTER_CRITICAL();
//rINTMSK = 0x7ffffff; // All interrupt is masked.
pISR_TIMER0 = (U32)OSTickISR;
pISR_EINT1 = (U32)RTL8019ISR;
//rTCFG0=0x000f0f00; //dead zone=0,pre2=0f,pre1=0xf,pre0=0
//rTCFG1=0x00001000; //all interrupt,mux5=1/2,mux2=1/2,mux3=1/4,mux2=1/2,mux1=1/2,mux0=1/2
//rTCNTB5=0x1350; //(1/(60MHz/4/15))*0xc350=50ms
//(1/(60MHz/4/15))*0x4320=20ms
//rTCON=0x02000000; //update T5
//rTCON=0x05000000; //T5=auto reload,start
rTCFG0=0x00000004; // prescaler0 = 4
rTCFG1=0x00000003; // mux0 = 1/16
rTCNTB0=1000; //_CLOCK;
rTCMPB0=0x0;
rTCON=0x2; //update mode for TCNTB0 and TCMPB0.
rTCON=0x9; //timer0 = auto reload, start
rPCONG = rPCONG | ( 0x3<<2 ); //EINT1
rPUPG = rPUPG & (~(1<<1)); //pull up resister is enable
rEXTINT = 0x1<<4; //EINT1高电平触发中断
rINTCON=0x5; //Non-vectored,IRQ enable,FIQ disable
rINTMOD=0x0; //All=IRQ mode
rINTMSK=BIT_GLOBAL;
//rINTMSK=~(BIT_GLOBAL|BIT_TIMER0); //start timer INT
//rI_ISPC=BIT_TIMER0;
rINTMSK=~(BIT_GLOBAL|BIT_TIMER0|BIT_EINT1); //start timer INT
rI_ISPC=BIT_TIMER0|BIT_EINT1;
OS_EXIT_CRITICAL();
}
void Main(void)
{
ChangePllValue(88, 6, 1);
rSYSCFG=CACHECFG;//Using 8KB Cache
Port_Init();
Uart_Init(0,57600);
Delay(10);
Uart_Select(0); //Select UART0
Led_Display(0x07);
//pISR_IRQ = (U32)UCOS_IRQHandler;
APP_vMain();
//while(1)
//{
// Uart_Printf("abc\n");
//}
}⌨️ 快捷键说明
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