systask.c
来自「一个操作系统源代码 用于嵌入式设备 在Vc++环境下仿真 成功移植到多款处理器上」· C语言 代码 · 共 1,313 行 · 第 1/3 页
C
1,313 行
/* pen calibrated!!! */
PenCalibration();
//kx = 0.04776526;
//ky = 0.07117437;
//bx = -17.27396;
//by = -21.45908;
/* init some global values for Asixwin */
ASIXInit(); /* it should run after timer_task, so we put it into shell_task */
/* start running rtc */
// run_rtc();
}
void PenCalibration( void )
{
CHAR PenDown=0, new_check = 1, quit=0, lefttop_pressed=0, rightbottom_pressed=0, center_pressed = 0;
SHORT x1=0,y1=0,x2=0,y2=0;
SHORT x3=0,y3=0;
SHORT last_x1,last_y1,last_x2,last_y2,last_x3,last_y3;
// SHORT avx1, avy1, avx2, avy2;
static UINT flgptn;
BYTE msgtype; /* message type */
GC *pGC;
CHAR showCross = 1;
ID lastid;
#define AD_WUCHA 0x30
en_disp_ad = 1;
kx = 0;
ky = 0;
bx = 0;
by = 0;
/* Create One GC */
dbgprintf("Init GC\n");
// if( gSysTcbTbl[SYSTASK_ID-1].gc == NULL )
{
pGC = (GC *)SysInitGC(PHY_LCD_W, PHY_LCD_H);
gSysTcbTbl[SYSTASK_ID-1].gc = pGC;
}
lastid = gLcdOwnerTskId;
gLcdOwnerTskId = SYSTASK_ID;
/* draw two crosses: one is on left-top, the other is on right-down */
SysSetBkColor(( DWORD )pGC, GPC_BLUE);
SysSetColor(( DWORD )pGC, GPC_WHITE);
SysClearScreen(( DWORD )pGC, GPC_WHITE);
SysDrawText(( DWORD )pGC, GPC_BLACK, 10, 20, 140, 84, "Pen Calibration: Please press left-top cross first, then right-bottom, and center last!", GPC_REPLACE_STYLE);
/*
#define DEFAULT_LEFT 0x0258
#define DEFAULT_TOP 0x01E0
#define DEFAULT_RIGHT 0x0D88
#define DEFAULT_BOTTOM 0x0E40
avx1 = DEFAULT_LEFT;
avy1 = DEFAULT_TOP;
avx2 = DEFAULT_RIGHT;
avy2 = DEFAULT_BOTTOM;
*/
DisableUartInt( UART_ALL ); // disable uart interrupt
while(!quit)
{
if( showCross )
{
/* (10,10) */
SysDrawHorz(( DWORD )pGC, GPC_BLACK, 5, 10, 11, GPC_SOLID_LINE, GPC_REPLACE_STYLE);
SysDrawVert(( DWORD )pGC, GPC_BLACK, 10, 5, 11, GPC_SOLID_LINE, GPC_REPLACE_STYLE);
/* (150,230) */
SysDrawHorz(( DWORD )pGC, GPC_BLACK, 145, 230, 11, GPC_SOLID_LINE, GPC_REPLACE_STYLE);
SysDrawVert(( DWORD )pGC, GPC_BLACK, 150, 225, 11, GPC_SOLID_LINE, GPC_REPLACE_STYLE);
/* (80,120) */
SysDrawHorz(( DWORD )pGC, GPC_BLACK, 75, 120, 11, GPC_SOLID_LINE, GPC_REPLACE_STYLE);
SysDrawVert(( DWORD )pGC, GPC_BLACK, 80, 115, 11, GPC_SOLID_LINE, GPC_REPLACE_STYLE);
showCross = 0;
}
flgptn = 0;
/* wait for Interrupt or Tasks' Message */
wai_flg(&flgptn, SYS_EVENT, 0xFF, TWF_ORW);
if( flgptn & INTPEN_FLG )
{
msgtype = PEN_BUF[PEN_BUF_readcount].flag;
/* read pen message directly from interrupt buffer PEN_BUF */
switch(msgtype)
{
case SM_PENDOWN:
last_x1=0;
last_y1=0;
last_x2=0;
last_y2=0;
last_x3=0;
last_y3=0;
act_cyc(TOUCHTIMER,TCY_ON|TCY_INI);
break;
case SM_PENMOVE:
// if(!PenDown)
{
PenDown++;
if (!lefttop_pressed)
{
y1 = PEN_BUF[PEN_BUF_readcount].y;
x1 = PEN_BUF[PEN_BUF_readcount].x;
if(!(last_x1&&last_y1)){
last_x1 = x1;
last_y1 = y1;
}else{
if ( x1 > last_x1 + AD_WUCHA
|| x1 < last_x1 - AD_WUCHA
|| y1 > last_y1 + AD_WUCHA
|| y1 < last_y1 - AD_WUCHA ){
x1 = ( x1 + last_x1 * PenDown )/( PenDown + 1 );
y1 = ( y1 + last_y1 * PenDown )/( PenDown + 1 );
}
}
if( PenDown == 3 )
SysDrawCircle( (DWORD)pGC, GPC_BLACK, 10, 10, 5, GPC_REPLACE_STYLE );
}else if( !rightbottom_pressed )
{
y2 = PEN_BUF[PEN_BUF_readcount].y;
x2 = PEN_BUF[PEN_BUF_readcount].x;
if(!(last_x2&&last_y2)){
last_x2 = x2;
last_y2 = y2;
}else{
if ( x2 > last_x2 + AD_WUCHA
|| x2 < last_x2 - AD_WUCHA
|| y2 > last_y2 + AD_WUCHA
|| y2 < last_y2 - AD_WUCHA ){
x2 = ( x2 + last_x2 * PenDown )/( PenDown + 1 );
y2 = ( y2 + last_y2 * PenDown )/( PenDown + 1 );
}
}
if( PenDown == 3 )
SysDrawCircle( (DWORD)pGC, GPC_BLACK, 150, 230, 5, GPC_REPLACE_STYLE );
}else
{
x3 = kx * PEN_BUF[PEN_BUF_readcount].x + bx;
y3 = ky * PEN_BUF[PEN_BUF_readcount].y + by;
if( new_check )
{
last_x3 = x3;
last_y3 = y3;
new_check = 0;
}
else
{
/* if ( next_x > x3 + POS_WUCHA )
next_x = x3 + POS_WUCHA;
else if ( next_x < x3 - POS_WUCHA )
next_x = x3 - POS_WUCHA;
if ( next_y > y3 + POS_WUCHA )
next_y = y3 + POS_WUCHA;
else if ( next_y < y3 - POS_WUCHA )
next_y = y3 - POS_WUCHA;
x3 = next_x;
y3 = next_y;
*/
if ( x3 > last_x3 + POS_WUCHA
|| x3 < last_x3 - POS_WUCHA
|| y3 > last_y3 + POS_WUCHA
|| y3 < last_y3 - POS_WUCHA ){
x3 = ( x3 + last_x3 * PenDown )/( PenDown + 1 );
y3 = ( y3 + last_y3 * PenDown )/( PenDown + 1 );
}
}
if( PenDown == 3 )
SysDrawCircle( (DWORD)pGC, GPC_BLACK, 80, 120, 5, GPC_REPLACE_STYLE );
}
}
break;
case SM_PENUP:
if( PenDown > 2 )
{
if ( rightbottom_pressed ){
center_pressed = 1;
SysClearRec(( DWORD )pGC, GPC_WHITE, 75, 115, 10, 10, GPC_REPLACE_STYLE);
}
if (lefttop_pressed ){
kx = (150.0-10.0) / (x2 - x1);
ky = (230.0-10.0) / (y2 - y1);
bx = (160.0 -(x1+x2) * kx) / 2 ;
by = (240.0 -(y1+y2) * ky) / 2 ;
/* kx = (150.0-10.0) / (avx2 - avx1);
ky = (230.0-10.0) / (avy2 - avy1);
bx = (160.0 -(avx1+avx2) * kx) / 2 ;
by = (240.0 -(avy1+avy2) * ky) / 2 ;
*/
rightbottom_pressed = 1;
SysClearRec(( DWORD )pGC, GPC_WHITE, 140, 220, 18, 18, GPC_REPLACE_STYLE);
}
if (!lefttop_pressed ){
lefttop_pressed = 1;
SysClearRec(( DWORD )pGC, GPC_WHITE, 1, 1, 15, 15, GPC_REPLACE_STYLE);
}
if ( center_pressed ){
new_check = 1;
if ( x3 > 85 || x3 < 75 || y3 > 125 || y3 < 115 )
{
lefttop_pressed=0, rightbottom_pressed=0, center_pressed = 0;
last_x1 = 0,last_y1 = 0,last_x2 = 0,last_y2 = 0,last_x3 = 0,last_y3 = 0;
SysClearRec(( DWORD )pGC, GPC_WHITE, 10, 20, 140, 60, GPC_REPLACE_STYLE );
SysDrawText(( DWORD )pGC, GPC_BLACK, 10, 20, 140, 84, "Pen Calibration is invalid.\nTry again!", GPC_REPLACE_STYLE);
showCross = 1;
}
else
quit = 1;
}
}
PenDown = 0;
// PenEnable();
break;
default:
break;
}
PEN_BUF_readcount = (PEN_BUF_readcount +1) % MAX_PENBUF;
}
if( flgptn & INTKEY_FLG )
{
msgtype = KEY_BUF[KEY_BUF_readcount].flag;
switch(msgtype)
{
case SM_KEY:
break;
case SM_KEYDOWN:
act_cyc(KEYSCANTIMER,TCY_ON|TCY_INI);
case SM_KEYREPEAT:
break;
case SM_KEYUP:
if( KEY_BUF[KEY_BUF_readcount].keyvalue == KEY_Cancel )
{
quit = 1;
}
KeyEnable();
break;
default:
break;
}
KEY_BUF_readcount++;
if (KEY_BUF_readcount >= MAX_KEY_BUF)
KEY_BUF_readcount = 0;
}
if( flgptn & TASKMSG_FLG )
{
process_msg();
}
clr_flg( SYS_EVENT, ~ALLINT_FLG );
flgptn = 0;
if (KEY_BUF_readcount != KEY_BUF_writecount)
flgptn |= INTKEY_FLG;
if (PEN_BUF_readcount != PEN_BUF_writecount)
flgptn |= INTPEN_FLG;
/* yes */
if( flgptn > 0x1 )
set_flg(SYS_EVENT, flgptn);
}
en_disp_ad = 0;
gLcdOwnerTskId = lastid;
loc_cpu();
dbgprintf("Clear SYSEVENT\n");
clr_flg(SYS_EVENT, ~ALLINT_FLG); /* clear SYSEVENT */
unl_cpu();
EnableUartInt( UART_ALL ); // enable uart interrupt
SysFreeGC( pGC );
dbgprintf("Systask Init End\n\n");
}
void InitialSystem()
{
DWORD hGC;
char inforstr[50];
WORD info_y;
DWORD result = 0;
hGC = SysInitGC(PHY_LCD_W, PHY_LCD_H);
gSysTcbTbl[SYSTASK_ID-1].gc = (GC *)hGC;
gLcdOwnerTskId = SYSTASK_ID;
SysClearScreen( hGC, GPC_WHITE );
// System Initial
// Initialize file system
info_y = 10;
SysTextOut( hGC, GPC_BLACK, 10, info_y, "初始化文件系统.....", GPC_REPLACE_STYLE );
result = InitFileSystem();
if( result != 0 )
{
info_y += 16;
sprintf( inforstr, "FAIL!(0x%08x)", result );
SysTextOut( hGC, GPC_BLACK, 10, info_y, inforstr, GPC_REPLACE_STYLE );
}
else
{
info_y += 16;
SysTextOut( hGC, GPC_BLACK, 10, info_y, "OK!", GPC_REPLACE_STYLE );
}
// Create Application Data Base
info_y += 16;
SysTextOut( hGC, GPC_BLACK, 10, info_y, "初始化数据库.....", GPC_REPLACE_STYLE );
CreateDataBase();
info_y += 16;
if( result != 0 )
{
sprintf( inforstr, "FAIL!(0x%08x)", result );
SysTextOut( hGC, GPC_BLACK, 10, info_y, inforstr, GPC_REPLACE_STYLE );
}
else
SysTextOut( hGC, GPC_BLACK, 10, info_y, "OK!", GPC_REPLACE_STYLE );
// initialize GSM module
info_y += 16;
SysTextOut( hGC, GPC_BLACK, 10, info_y, "初始化GSM.....", GPC_REPLACE_STYLE );
result = 0; //InitGSM(); we will never do this in the simulator
info_y += 16;
if( result != 0 )
{
sprintf( inforstr, "FAIL!(0x%08x)", result );
SysTextOut( hGC, GPC_BLACK, 10, info_y, inforstr, GPC_REPLACE_STYLE );
}
else
SysTextOut( hGC, GPC_BLACK, 10, info_y, "OK!", GPC_REPLACE_STYLE );
SysFreeGC( hGC );
}
/* init systcb table */
void SysTcbTableInit( void )
{
int i;
memset(gSysTcbTbl, 0, sizeof(SYSTCB)*TASKNUM);
/* gSysTcbTbl init */
for(i=0;i<TASKNUM-1;i++)
{
gSysTcbTbl[i].next = &gSysTcbTbl[i+1];
gSysTcbTbl[i].id = (DWORD)&gSysTcbTbl[i];
gSysTcbTbl[i].status = DORMANT;
}
gSysTcbTbl[i].next = NULL;
gSysTcbTbl[i].id = (DWORD)&gSysTcbTbl[i];
gSysTcbTbl[i].status = DORMANT;
}
void power_down(void)
{
register UINT old_imr;
//extern void TurnOffLCD( void );
#ifndef PCTLR
#define PCTLR *((unsigned char *)0xFFFFF207 ) /* Power Control Register */
#endif
#ifndef PLLCR
#define PLLCR *((unsigned short *)0xFFFFF200 ) /* PLL Control Register */
#endif
/*************************************************************\
* DISPATCH FORBIDDEN
\*************************************************************/
dis_dsp();
/* Mask all interrupts */
old_imr = IMR;
IMR = 0xFFFFFFFF;
/* Turn off LCD. */
TurnOffLCD();
/* Change RTC's frequence to 1Hz. */
//set_rtc( RTCIENR_1HZ );
stop_rtc();
/* change sys_clk()'s tick */
g_uhIntTime = 1000; /* 1000/RTC's frequence(1Hz) */
/* Restore all interrupts */
//IMR &= ( ( old_imr |IMR_MTMR1 ) & ( ~IMR_MRTC ) );
/* Close PLL */
PLLCR |= 0x0008;
asm(" STOP #$2000");
/* CPU halt! */
/* ............. */
IMR = old_imr;
TurnOnLCD();
ena_dsp();
/*************************************************************\
* DISPATCH OK
\*************************************************************/
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