ARM9之2440之os-ii - - Powered by Discuz!

#include "config.h"
extern char Image$RW$Limit[];
void *mallocPt=Image$RW$Limit;
//***************************[ SYSTEM ]***************************************************
static int delayLoopCount;
void Delay(int time)
{
// time=0: adjust the Delay function by WatchDog timer.
// time>0: the number of loop time
// resolution of time is 100us.
int i, adjust=0;
if(time==0)
{
time = 200;
adjust = 1;
delayLoopCount = 800;
//PCLK/1M,Watch-dog disable,1/64,interrupt disable,reset disable
rWTCON = ((PCLK/1000000-1)<<8)|(2<<3);
rWTDAT = 0xffff; //for first update
rWTCNT = 0xffff; //resolution=64us @any PCLK
rWTCON = ((PCLK/1000000-1)<<8)|(2<<3)|(1<<5); //Watch-dog timer start
}
for(;time>0;time--)
for(i=0;i<delayLoopCount;i++);
if(adjust==1)
{
rWTCON = ((PCLK/1000000-1)<<8)|(2<<3); //Watch-dog timer stop
i = 0xffff - rWTCNT; //1count->64us, 200*800 cycle runtime = 64*i us
//Uart_Printf("\nrWTCNT=%x ", rWTCNT);
//Uart_Printf("\ni (0xffff -rWTCNT)=%d", i);
delayLoopCount = 16000000/(i*64); //200*800:64*i=1*x:100 -> x=160000*100/(64*i)
//Uart_Printf("\ndelayLoopCount=%d", delayLoopCount);
}
}
//***************************[ PORTS ]****************************************************
void Port_Init(void)
{
//CAUTION:Follow the configuration order for setting the ports.
// 1) setting value(GPnDAT)
// 2) setting control register (GPnCON)
// 3) configure pull-up resistor(GPnUP)
//32bit data bus configuration
//*** PORT A GROUP
//Ports : GPA22 GPA21 GPA20 GPA19 GPA18 GPA17 GPA16 GPA15 GPA14 GPA13 GPA12
//Signal : nFCE nRSTOUT nFRE nFWE ALE CLE nGCS5 nGCS4 nGCS3 nGCS2 nGCS1
//Binary : 1 1 1 , 1 1 1 1 , 1 1 1 1
//Ports : GPA11 GPA10 GPA9 GPA8 GPA7 GPA6 GPA5 GPA4 GPA3 GPA2 GPA1 GPA0
//Signal : ADDR26 ADDR25 ADDR24 ADDR23 ADDR22 ADDR21 ADDR20 ADDR19 ADDR18 ADDR17 ADDR16 ADDR0
//Binary : 1 1 1 1 , 1 1 1 1 , 1 1 1 1
rGPACON = 0x7fffff;
//**** PORT B GROUP
//Ports : GPB10 GPB9 GPB8 GPB7 GPB6 GPB5 GPB4 GPB3 GPB2 GPB1 GPB0
//Signal : nXDREQ0 nXDACK0 nXDREQ1 nXDACK1 nSS_KBD nDIS_OFF L3CLOCK L3DATA L3MODE nIrDATXDEN Keyboard
//Setting: OUTPUT OUTPUT OUTPUT OUTPUT OUTPUT OUTPUT OUTPUT OUTPUT OUTPUT OUTPUT OUTPUT
//Binary : 01 , 01 01 , 01 01 , 01 01 , 01 01 , 01 01
rGPBCON = 0x155555;
rGPBUP = 0x7ff; // The pull up function is disabled GPB[10:0]
//*** PORT C GROUP
//Ports : GPC15 GPC14 GPC13 GPC12 GPC11 GPC10 GPC9 GPC8 GPC7 GPC6 GPC5 GPC4 GPC3 GPC2 GPC1 GPC0
//Signal : VD7 VD6 VD5 VD4 VD3 VD2 VD1 VD0 LCDVF2 LCDVF1 LCDVF0 VM VFRAME VLINE VCLK LEND
//Binary : 10 10 , 10 10 , 10 10 , 10 10 , 10 10 , 10 10 , 10 10 , 10 10
rGPCCON = 0xaaaaaaaa;
rGPCUP = 0xffff; // The pull up function is disabled GPC[15:0]
//*** PORT D GROUP
//Ports : GPD15 GPD14 GPD13 GPD12 GPD11 GPD10 GPD9 GPD8 GPD7 GPD6 GPD5 GPD4 GPD3 GPD2 GPD1 GPD0
//Signal : VD23 VD22 VD21 VD20 VD19 VD18 VD17 VD16 VD15 VD14 VD13 VD12 VD11 VD10 VD9 VD8
//Binary : 10 10 , 10 10 , 10 10 , 10 10 , 10 10 , 10 10 , 10 10 ,10 10
rGPDCON = 0xaaaaaaaa;
rGPDUP = 0xffff; // The pull up function is disabled GPD[15:0]
//*** PORT E GROUP
//Ports : GPE15 GPE14 GPE13 GPE12 GPE11 GPE10 GPE9 GPE8 GPE7 GPE6 GPE5 GPE4
//Signal : IICSDA IICSCL SPICLK SPIMOSI SPIMISO SDDATA3 SDDATA2 SDDATA1 SDDATA0 SDCMD SDCLK I2SSDO
//Binary : 10 10 , 10 10 , 10 10 , 10 10 , 10 10 , 10 10 ,
//-------------------------------------------------------------------------------------------------------
//Ports : GPE3 GPE2 GPE1 GPE0
//Signal : I2SSDI CDCLK I2SSCLK I2SLRCK
//Binary : 10 10 , 10 10
rGPECON = 0xaaaaaaaa;
rGPEUP = 0xffff; // The pull up function is disabled GPE[15:0]
//*** PORT F GROUP
//Ports : GPF7 GPF6 GPF5 GPF4 GPF3 GPF2 GPF1 GPF0
//Signal : nLED_8 nLED_4 nLED_2 nLED_1 nIRQ_PCMCIA EINT2 KBDINT EINT0
//Setting: Output Output Output Output EINT3 EINT2 EINT1 EINT0
//Binary : 01 01 , 01 01 , 10 10 , 10 10
rGPFCON = 0x55aa;
rGPFUP = 0xff; // The pull up function is disabled GPF[7:0]
//*** PORT G GROUP
//Ports : GPG15 GPG14 GPG13 GPG12 GPG11 GPG10 GPG9 GPG8 GPG7 GPG6
//Signal : nYPON YMON nXPON XMON EINT19 DMAMODE1 DMAMODE0 DMASTART KBDSPICLK KBDSPIMOSI
//Setting: nYPON YMON nXPON XMON EINT19 Output Output Output SPICLK1 SPIMOSI1
//Binary : 11 11 , 11 11 , 10 01 , 01 01 , 11 11
//-----------------------------------------------------------------------------------------
//Ports : GPG5 GPG4 GPG3 GPG2 GPG1 GPG0
//Signal : KBDSPIMISO LCD_PWREN EINT11 nSS_SPI IRQ_LAN IRQ_PCMCIA
//Setting: SPIMISO1 LCD_PWRDN EINT11 nSS0 EINT9 EINT8
//Binary : 11 11 , 10 11 , 10 10
rGPGCON = 0xff95ffba;
rGPGUP = 0xffff; // The pull up function is disabled GPG[15:0]
//*** PORT H GROUP
//Ports : GPH10 GPH9 GPH8 GPH7 GPH6 GPH5 GPH4 GPH3 GPH2 GPH1 GPH0
//Signal : CLKOUT1 CLKOUT0 UCLK nCTS1 nRTS1 RXD1 TXD1 RXD0 TXD0 nRTS0 nCTS0
//Binary : 10 , 10 10 , 11 11 , 10 10 , 10 10 , 10 10
rGPHCON = 0x2afaaa;
rGPHUP = 0x7ff; // The pull up function is disabled GPH[10:0]
// Added for S3C2440, DonGo
//PORT J GROUP
//Ports : GPJ12 GPJ11 GPJ10 GPJ9 GPJ8 GPJ7 GPJ6 GPJ5 GPJ4 GPJ3 GPJ2 GPJ1 GPJ0
//Signal : CAMRESET CAMCLKOUT CAMHREF CAMVS CAMPCLKIN CAMD7 CAMD6 CAMD5 CAMD4 CAMD3 CAMD2 CAMD1 CAMD0
//Setting: Out Out CAMHREF CAMVS CAMPCLKIN CAMD7 CAMD6 CAMD5 CAMD4 CAMD3 CAMD2 CAMD1 CAMD0
//Binary : 01 01 10 10 10 10 10 10 10 10 10 10 10
//PU_OFF : 1 0 1 1 1 1 1 1 1 1 1 1 1
//---------------------------------------------------------------------------------------
rGPJDAT = (1<<12)|(0<<11);
rGPJCON = 0x016aaaa;
rGPJUP = ~((0<<12)|(1<<11));
rGPJDAT = (0<<12)|(0<<11);
rGPJCON = 0x016aaaa;
rGPJUP = 0x1fff;//~((1<<12)|(1<<11));
//rGPJCON = 0x02aaaaaa;
//rGPJUP = 0x1fff; // The pull up function is disabled GPH[10:0]
//External interrupt will be falling edge triggered.
rEXTINT0 = 0x22222222; // EINT[7:0]
rEXTINT1 = 0x22222222; // EINT[15:8]
rEXTINT2 = 0x22222222; // EINT[23:16]
}
//***************************[ UART ]******************************
static int whichUart=0;
void Uart_Init(int pclk,int baud)
{
int i;
if(pclk == 0)
pclk = PCLK;
rUFCON0 = 0x0; //UART channel 0 FIFO control register, FIFO disable
rUFCON1 = 0x0; //UART channel 1 FIFO control register, FIFO disable
rUFCON2 = 0x0; //UART channel 2 FIFO control register, FIFO disable
rUMCON0 = 0x0; //UART chaneel 0 MODEM control register, AFC disable
rUMCON1 = 0x0; //UART chaneel 1 MODEM control register, AFC disable
//UART0
rULCON0 = 0x3; //Line control register : Normal,No parity,1 stop,8 bits
// [10] [9] [8] [7] [6] [5] [4] [3:2] [1:0]
// Clock Sel, Tx Int, Rx Int, Rx Time Out, Rx err, Loop-back, Send break, Transmit Mode, Receive Mode
// 0 1 0 , 0 1 0 0 , 01 01
// PCLK Level Pulse Disable Generate Normal Normal Interrupt or Polling
rUCON0 = 0x245; // Control register
rUBRDIV0=( (int)(pclk/16./baud+0.5) -1 ); //Baud rate divisior register 0
//UART1
rULCON1 = 0x3;
rUCON1 = 0x245;
rUBRDIV1=( (int)(pclk/16./baud+0.5) -1 );
//UART2
rULCON2 = 0x3;
rUCON2 = 0x245;
rUBRDIV2=( (int)(pclk/16./baud+0.5) -1 );
Uart_TxEmpty(whichUart);
//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 if(ch==1)
while(!(rUTRSTAT1 & 0x4)); //Wait until tx shifter is empty.
else if(ch==2)
while(!(rUTRSTAT2 & 0x4)); //Wait until tx shifter is empty.
}
//=====================================================================
char Uart_Getch(void)
{
if(whichUart==0)
{
while(!(rUTRSTAT0 & 0x1)); //Receive data ready
return RdURXH0();
}
else if(whichUart==1)
{
while(!(rUTRSTAT1 & 0x1)); //Receive data ready
return RdURXH1();
}
else if(whichUart==2)
{
while(!(rUTRSTAT2 & 0x1)); //Receive data ready
return RdURXH2();
}
}
//====================================================================
char Uart_GetKey(void)
{
if(whichUart==0)
{
if(rUTRSTAT0 & 0x1) //Receive data ready
return RdURXH0();
else
return 0;
}
else if(whichUart==1)
{
if(rUTRSTAT1 & 0x1) //Receive data ready
return RdURXH1();
else
return 0;
}
else if(whichUart==2)
{
if(rUTRSTAT2 & 0x1) //Receive data ready
return RdURXH2();
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 result = 0;
int lastIndex;
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(lastIndex<0)
return -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(int 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(whichUart==1)
{
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;
}
else if(whichUart==2)
{
if(data=='\n')
{
while(!(rUTRSTAT2 & 0x2));
Delay(10); //because the slow response of hyper_terminal
rUTXH2 = '\r';
}
while(!(rUTRSTAT2 & 0x2)); //Wait until THR is empty.
Delay(10);
rUTXH2 = data;
}
}
//====================================================================
void Uart_SendString(char *pt)
{
while(*pt)
Uart_SendByte(*pt++);
}
#if !USE_MAIN
//If you don't use vsprintf(), the code size is reduced very much.
void Uart_Printf(const char *fmt,...)
{
va_list ap;
char string[50];
va_start(ap,fmt);
vsprintf(string,fmt,ap);
va_end(ap);
Uart_SendString(string);
}
#endif
//*************************[ Timer ]********************************
void Timer_Start(int divider) //0:16us,1:32us 2:64us 3:128us
{
rWTCON = ((PCLK/1000000-1)<<8)|(divider<<3); //Watch-dog timer control register
rWTDAT = 0xffff; //Watch-dog timer data register
rWTCNT = 0xffff; //Watch-dog count register
// Watch-dog timer enable & interrupt disable
rWTCON = (rWTCON & ~(1<<5) & ~(1<<2)) |(1<<5);
}
//=================================================================
int Timer_Stop(void)
{
rWTCON = ((PCLK/1000000-1)<<8);
return (0xffff - rWTCNT);
}
//*************************[ MPLL ]*******************************
void ChangeMPllValue(int mdiv,int pdiv,int sdiv)
{
rMPLLCON = (mdiv<<12) | (pdiv<<4) | sdiv;
}
//************************[ HCLK, PCLK ]***************************
void ChangeClockDivider(int hdivn_val,int pdivn_val)
{
int hdivn=2, pdivn=0;
// hdivn_val (FCLK:HCLK)ratio hdivn
// 11 1:1 (0)
// 12 1:2 (1)
// 13 1:3 (3)
// 14 1:4 (2)
// pdivn_val (HCLK:PCLK)ratio pdivn
// 11 1:1 (0)
// 12 1:2 (1)
switch(hdivn_val) {
case 11: hdivn=0; break;
case 12: hdivn=1; break;
case 13: hdivn=3; break;
case 16: hdivn=3; break;
case 14: hdivn=2; break;
case 18: hdivn=2; break;
}
switch(pdivn_val) {
case 11: pdivn=0; break;
case 12: pdivn=1; break;
}
//Uart_Printf("Clock division change [hdiv:%x, pdiv:%x]\n", hdivn, pdivn);
rCLKDIVN = (hdivn<<1) | pdivn;
//Uart_Printf("rCLKDIVN:%x]\n", rCLKDIVN);
switch(hdivn_val) {
case 16: // when 1, HCLK=FCLK/6.
rCAMDIVN = (rCAMDIVN & ~(3<<8)) | (1<<8);
break;
case 18: // when 1, HCLK=FCLK/8.
rCAMDIVN = (rCAMDIVN & ~(3<<8)) | (1<<9);
break;
}
//Uart_Printf("rCAMDIVN:%x]\n", rCAMDIVN);
if(hdivn!=0)
MMU_SetAsyncBusMode();
else
MMU_SetFastBusMode();
}
//**************************[ UPLL ]*******************************
void ChangeUPllValue(int mdiv,int pdiv,int sdiv)
{
rUPLLCON = (mdiv<<12) | (pdiv<<4) | sdiv;
}
/************************【实时时钟】*********************************/
void Rtc_Init(void)
{
int wYear, wMonth,wDay,wDayOfWeek,wHour,wMinute,wSecond;
wYear = 2009;
wMonth = 3;
wDay = 5;
wDayOfWeek = 4;
wHour = 12;
wMinute = 00;
wSecond = 00;
rRTCCON = 1 ; //RTC read and write enable
rBCDYEAR = (unsigned char)TO_BCD(wYear%100); //年
rBCDMON = (unsigned char)TO_BCD(wMonth); //月
rBCDDAY = (unsigned char)TO_BCD(wDay); //日
rBCDDATE = wDayOfWeek+1; //星期
rBCDHOUR = (unsigned char)TO_BCD(wHour); //小时
rBCDMIN = (unsigned char)TO_BCD(wMinute); //分
rBCDSEC = (unsigned char)TO_BCD(wSecond); //秒
rRTCCON &= ~1 ; //RTC read and write disable
}
/*****************************【蜂鸣器】************************************/
void Buzzer_Freq_Set( U32 freq )
{
rGPBCON &= ~3; //set GPB0 as tout0, pwm output
rGPBCON |= 2;
rTCFG0 &= ~0xff;
rTCFG0 |= 15; //prescaler = 15+1
rTCFG1 &= ~0xf;
rTCFG1 |= 2; //mux = 1/8
rTCNTB0 = (PCLK>>7)/freq;
rTCMPB0 = rTCNTB0>>1; // 50%
rTCON &= ~0x1f;
rTCON |= 0xb; //disable deadzone, auto-reload, inv-off, update TCNTB0&TCMPB0, start timer 0
rTCON &= ~2; //clear manual update bit
}
void Buzzer_Stop( void )
{
rGPBCON &= ~3; //set GPB0 as output
rGPBCON |= 1;
rGPBDAT &= ~1;
}
void Beep(U32 freq, U32 ms)
{
Buzzer_Freq_Set( freq ) ;
Delay( ms ) ;
Buzzer_Stop() ;
}
#include "config.h"
extern void Lcd_Display(void);
void Task_LCD(void *p);
/*****************【任务相关自定义变量】*****************/
OS_STK MainTaskStk[MainTaskStkLengh];
OS_STK Task0Stk [Task0StkLengh]; // Define the Task0 stack
OS_STK Task1Stk [Task1StkLengh]; // Define the Task1 stack
OS_STK Task2Stk [Task2StkLengh]; // Define the Task2 stack
OS_EVENT *Semp; //Creat semp
U8 err;
int rYear, rMonth,rDay,rDayOfWeek,rHour,rMinute,rSecond;
//建立一个任务用变量，实现该任务第一次运行时，就需要初始化，之后再运行该任务时则不需要进行初始化
int user_task0_firstboot = 1;
int user_task1_firstboot = 1;
int user_task2_firstboot = 1;
int Main(int argc, char **argv)
{
//初始化目标板
TargetInit();
//初始化uCOS-II
OSInit ();
//初始化系统时基
OSTimeSet(0);
//创建系统初始任务
OSTaskCreate (MainTask,(void *)0, &MainTaskStk[MainTaskStkLengh - 1], MainTaskPrio);
//开始任务
OSStart ();
return 0;
}
void MainTask(void *pdata) //Main Task create taks0 and task1
{
#if OS_CRITICAL_METHOD == 3 /* Allocate storage for CPU status register */
OS_CPU_SR cpu_sr;
#endif
OS_ENTER_CRITICAL();
Timer0Init(); //initial timer0 for ucos time tick
ISRInit(); //initial interrupt prio or enable or disable
OS_EXIT_CRITICAL();
OSPrintfInit(); //use task to print massage to Uart
OSStatInit();
OSTaskCreate (Task0,(void *)0, &Task0Stk[Task0StkLengh - 1], Task0Prio);
OSTaskCreate (Task1,(void *)0, &Task1Stk[Task1StkLengh - 1], Task1Prio);
OSTaskCreate (Task2,(void *)0, &Task2Stk[Task2StkLengh - 1], Task2Prio);
while(1)
{
OSPrintf("\nEnter Main Task\n");
OSTimeDly(OS_TICKS_PER_SEC*100);
}
}
void Task0(void *pdata) //任务0，打印CPU占用率
{
while (1)
{
OSPrintf("\nEnter Task0\n");
OSPrintf("CPU Usage: %d%%\n",OSCPUUsage); //打印CPU占用率，调用系统变量实现
OSTimeDly(OS_TICKS_PER_SEC);
}
}
void Task1(void *pdata) //任务1，控制LED灯亮，开启蜂鸣器同时鸣叫
{
U16 task1Cnt=0;
if(user_task1_firstboot == 1)
{
// RTC初始化
Rtc_Init();
user_task1_firstboot = 0;
}
while (1)
{
task1Cnt++;
OSPrintf("\nEnter Task1\n");
OSPrintf("uC/OS Version:V%4.2f\n",(float)OSVersion()*0.01);//打印uC/OS的版本号
//实现流水灯
if((task1Cnt%5) == 0)
rGPBDAT = 0x1E0; //全灭
else
rGPBDAT = rGPBDAT - (0x10<<(task1Cnt%5)); //流水灯
//蜂鸣器鸣叫
Beep(3000, 60);
Beep(2500, 60);
Beep(2000, 60);
Beep(1500, 60);
Beep(1000, 60);
Beep(900, 60);
OSTimeDly(OS_TICKS_PER_SEC*15);
}
}
void Task2(void *pdata)
{
unsigned int x, m, n, k, y;
static unsigned char i=0;
int tmp,key;
int width = 10;
int height = 100;
if(user_task2_firstboot == 1)
{
//LCD 初始化
Lcd_Display();
user_task2_firstboot = 0;
}
while(1)
{
i++;
if(i>60)i=0;
if(rBCDYEAR == 0x99)
rYear = 1999;
else
rYear = (2000 + rBCDYEAR);
rMonth = FROM_BCD(rBCDMON & 0x1f);
rDay = FROM_BCD(rBCDDAY & 0x03f);
rDayOfWeek = rBCDDATE - 1;
rHour = FROM_BCD(rBCDHOUR & 0x3f);
rMinute = FROM_BCD(rBCDMIN & 0x7f);
rSecond = FROM_BCD(rBCDSEC & 0x7f);
OSTimeDly( 5 );
OSPrintf("\nEnter Task2\n");
OSPrintf("LCD display Test!\n\n");
//在LCD上打印日期，星期，时间
Lcd_printf(0,65,RGB( 0xFF,0xFF,0xFF),RGB( 0x00,0x00,0x00),0,"时间:%4d-%02d-%02d 星期%d %02d:%02d:%02d\n",
rYear, rMonth, rDay,rDayOfWeek, rHour, rMinute, rSecond);
Lcd_printf(84,92,RGB( 0xFF,0xFF,0xFF),RGB( 0x00,0x00,0x00),1,"OS计数器任务");
Lcd_printf(89,122,RGB( 0xFF,0xFF,0xFF),RGB( 0x00,0x00,0x00),0,"任务计数中:%02d" , i);
OSTimeDly(OS_TICKS_PER_SEC*5);
}
}

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