📄 hwdriver.c
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unsigned char buf[8],ptr[8];
memcpy(buf,RotateMode,8);
buf[3]=0x20;
buf[7]=GenerateCRC(buf,8);
memcpy(ptr,buf,8);
ptr[3]=0xff;
ptr[7]=GenerateCRC(ptr,8);
WriteAndWait(buf,ptr);
}*/
return 0;
}
#if 1
unsigned char SetAbortInking(void)
{
unsigned char buf[8],ptr[8];
memcpy(buf,AbortInking,8);
buf[7]=GenerateCRC(buf,8);
memcpy(ptr,buf,8);
ptr[3]=0xff;
ptr[7]=GenerateCRC(ptr,8);
return WriteAndWait(buf,ptr);
}
#endif
#if 0
unsigned char SetRotateMode(void)
{
unsigned char buf[8],ptr[8];
memcpy(buf,RotateMode,8);
buf[7]=GenerateCRC(buf,8);
memcpy(ptr,buf,8);
ptr[3]=0xff;
ptr[7]=GenerateCRC(ptr,8);
return WriteAndWait(buf,ptr);
}
#endif
#if 0
unsigned char SetCalibration(void)
{
unsigned char buf[8],ptr[8];
memcpy(buf,Calibration,8);
buf[7]=GenerateCRC(buf,8);
memcpy(ptr,buf,8);
ptr[7]=GenerateCRC(ptr,8);
return WriteAndWait(buf,ptr);
}
#endif
#if 0
void TakeInkingxy(void)
{
unsigned char x,y;
if(g_eph.RecBuf[3]!=0xff||g_eph.RecBuf[4]!=0xff)
{
g_nTouchPanelY =g_eph.RecBuf[4];
g_nTouchPanelX =g_eph.RecBuf[3];
if((g_eph.RecBuf[4])>=g_nTouchPanelYBase)
y = (g_eph.RecBuf[4])-g_nTouchPanelYBase;
else
y = 0;
if((g_eph.RecBuf[3])>=g_nTouchPanelXBase)
x = (g_eph.RecBuf[3])-g_nTouchPanelXBase;
else
x = 0;
x = x*132/g_nTouchPanelXDiv;
y = y*132/g_nTouchPanelYDiv;
g_nTouchKeyY = y;
g_nTouchKeyX = x;
}
}
#endif
#if 0
void TakeCharAray(void)
{
ReceiveCommannd();
}
#endif
unsigned char SetHostReady(void) //use wakeup g_eph
{
unsigned char buf[8];
memcpy(buf,HostReady,8);
buf[7]=GenerateCRC(buf,8);
return WriteAndWait(buf,buf);
}
#if 1
unsigned char SetWakeup(void) //use wakeup g_eph
{
unsigned char buf[8];
memcpy(buf,AckWakeup,8);
buf[7]=GenerateCRC(buf,8);
SendCommand(buf);
SysDeadDelay(12);
return 1;
}
#endif
unsigned char WaitingInkData(void)
{
unsigned char PacketType,rec;
if(g_eph.RecLen==0)
return 0;
rec = ReceiveCommannd();
if(g_eph.RecBuf[0]==0)
{
SetHostReady();
return 0;
}
if(g_eph.RecBuf[0]==0)
return 0;
if(rec){
PacketType = g_eph.RecBuf[1];
switch(PacketType)
{
case PACKET_COMMAND_POINT://在屏上移动RecBuf[1] = 0x16
{
g_eph.wmID=UDM_INK_DATA;
}
break;
case PACKET_COMMAND_CALIBRATE://校正数据RecBuf[1] = 0x44
g_eph.wmID=UDM_CALIBRATE_DATA;
break;
case PACKET_COMMAND_TOUCH://点击了一下屏RecBuf[1] = 0x17
g_eph.wmID=UDM_TOUCH_DATA;
break;
case PACKET_COMMAND_CANDIDATES://手写识别RecBuf[1] = 0x18
g_eph.wmID=UDM_RECOG_RESULT;
break;
}
return 1;
}
return 0;
}
static int ReadDataxy[2] = {0,0};
static void tp_handler ()
{
ReceiveCommannd();
if(g_eph.RecBuf[0]==0)
{
SetHostReady();
return ;
}
#ifdef PVR_PLATFORM
if (!quasar_irq_pending(0))
return;
quasar_clear_irq(0);
#else
*PIO_1_INT_STATUS_REG = ((1 << 1 ) <<16) | 0xffff;
#endif
return;
}
void init_irq(void)
{
quasar_enable_irq(0,0);
}
void tp_enable()
{
int status;
#ifdef PVR_PLATFORM
quasar_enable_irq(0,0);
#else
status = *INT_TYPE_REG;
*INT_TYPE_REG = status | (PIO1_INT);
#endif
}
void tp_disable()
{
int status;
// disable
#ifdef PVR_PLATFORM
quasar_disable_irq(0);
#else
status = *INT_TYPE_REG;
*INT_TYPE_REG = status & ~(PIO1_INT);
#endif
}
static int tp_open(struct inode *inode, struct file *filp)
{
MOD_INC_USE_COUNT;
return 0;
}
static int tp_release(struct inode *inode, struct file *filp)
{
MOD_DEC_USE_COUNT;
return 0;
}
unsigned long tp_read_scancode(void)
{
unsigned long ReceivedData = 0;
unsigned char i;
if (g_eph.RecBuf[0] == 0)
return 0;
ReceivedData = g_eph.RecBuf[0];
for (i=1; i<8; ==i)
ReceivedData = (ReceivedData << 8) |g_eph.RecBuf[i];
return ReceivedData;
}
static int tp_ioctl(struct inode *i_node, struct file *filp,unsigned int cmd, unsigned long arg)
{
unsigned long rc=0;
switch (cmd)
{
/*
case TP_EN:
TP_Touch_enable();
break;
case TP_DIS:
TP_Touch_Disable();
break;
*/ case READ_TP_VALUE:
rc=tp_read_scancode();
break;
default:
printk("tp_ioctl: unknow cmd = %d\n",cmd);
break;
}
return rc;
}
struct file_operations tp_fops = {
open: tp_open,
ioctl: tp_ioctl,
release: tp_release
};
static void tpff_release (){
free_irq (22, NULL);
}
devfs_handle_t tp_register(void)
{
devfs_handle_t de;
unsigned int maj,min;
// register char driver.
// Try devfs first - if kernel doesnt support devfs, devfs_register
// returns NULL
#ifdef CONFIG_DEVFS_FS
if((de=devfs_register(NULL, RMTP_DEVICE_NAME,
DEVFS_FL_DEFAULT, RMTP_MAJOR, 0,
S_IFCHR | S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP,
&tp_fops, NULL)))
{
devfs_get_maj_min(de, &maj, &min);
printk("init_module: device (%d:%d) registered in devfs\n",
maj, min);
}
#else
#error You must enable devfs in your kernel
#endif
#ifdef PVR_PLATFORM
if (request_irq (22,tp_handler, 0,"Touchpanel", NULL)!= 0)
{
printk ("request interrupt %d failed", 22);
tpff_release ();
// return 0;
}
#else
if (request_irq (UART1_INT,tp_handler, 0,"Touchpanel", NULL )!= 0)
{
printk ("request interrupt %d failed", 22);
tpff_release ();
// return 0;
}
#endif
return de;
}
// use the PIO interrupt to change the state in the state machine
int init_module ()
{
EXPORT_NO_SYMBOLS;
printk("******************************\n");
printk ("tp: init_TouchPenel_module\n");
printk("******************************\n");
InitUart();
InitEph1100();
// Set type to FIQ (pio0 irq used for remote control)
#ifdef PVR_PLATFORM
init_irq();
#else
status = *INT_TYPE_REG;
*INT_TYPE_REG = status | PIO1_INT;
#endif
printk("TIMER0_CNTL_REG = %x,TIMER0_LOAD_REG = %x\n ",*TIMER0_CNTL_REG,*TIMER0_LOAD_REG);
if(tp_register())
printk("Touchpanel: sucessfully registered\n");
else
printk("Touchpanel: Unable to register device\n");
printk("Touchpanel: init_module done\n");
return 0;
}
void cleanup_module (void)
{
printk ("tp: cleanup\n");
install_fiq_handler(NULL);
}
unsigned char Eph100Main(void)
{
// unsigned char ephtime = 0;
while(1){
if(WaitingInkData())
{
if(g_eph.wmID != UDM_TOUCH_DATA)
QuickTouch = 0;
switch(g_eph.wmID)
{
case UDM_INK_DATA:
g_eph.wmID=UDM_THD_NULL;
if((g_eph.RecBuf[3]!=0xff&&g_eph.RecBuf[4]!=0)||(g_eph.RecBuf[3]!=0xff&&g_eph.RecBuf[4]!=0xff))
{
unsigned char x,y;
y = (g_eph.RecBuf[4])-g_nTouchPanelYBase;
x = (g_eph.RecBuf[3])-g_nTouchPanelXBase;
x = x*132/g_nTouchPanelXDiv;
y = y*132/g_nTouchPanelYDiv;
g_nTouchKeyX = x;
g_nTouchKeyY = y;
}
else
{
g_nTouchKeyX = 0;
g_nTouchKeyY = 0;
}
break;
case UDM_TOUCH_DATA: //select result and key button只点了一下屏
g_eph.wmID = UDM_THD_NULL;
if(g_eph.RecBuf[3]==0xff&&g_eph.RecBuf[4]==0xff)
{
if(!QuickTouch)
return 0;
QuickTouch = 0;
return PEN_UP;
}
else
{
unsigned char x,y;
// if(g_eph.RecBuf[3]>(g_nTouchPanelX-3)&&g_eph.RecBuf[3]<(g_nTouchPanelX+3)&&g_eph.RecBuf[4]>(g_nTouchPanelY-3)&&g_eph.RecBuf[4]<(g_nTouchPanelY+3))
// return PEN_MOVE;
// else
{
if(QuickTouch)
{
// QuickTouch = 0;
// return PEN_UP;
return 0;
}
QuickTouch = 1;
g_nTouchPanelY =g_eph.RecBuf[4];
g_nTouchPanelX =g_eph.RecBuf[3];
if((g_eph.RecBuf[4])>=g_nTouchPanelYBase)
y = (g_eph.RecBuf[4])-g_nTouchPanelYBase;
else
y = 0;
if((g_eph.RecBuf[3])>=g_nTouchPanelXBase)
x = (g_eph.RecBuf[3])-g_nTouchPanelXBase;
else
x = 0;
x = x*132/g_nTouchPanelXDiv;
y = y*132/g_nTouchPanelYDiv;
g_nTouchKeyY = y;
g_nTouchKeyX = x;
return PEN_DOWN;
}
}
break;
case UDM_CALIBRATE_DATA://校正数据
g_eph.wmID = UDM_THD_NULL;
if(g_eph.RecBuf[3]==0xff&&g_eph.RecBuf[4]==0xff&&g_eph.RecBuf[5]!=0xff&&g_eph.RecBuf[6]!=0xff)
{
g_nTouchPanelY = (g_eph.RecBuf[6]);
g_nTouchPanelX = (g_eph.RecBuf[5]);
if((g_eph.RecBuf[6])>=g_nTouchPanelYBase)
g_nTouchKeyY = (g_eph.RecBuf[6])-g_nTouchPanelYBase;
else
g_nTouchKeyY = 0;
if( (g_eph.RecBuf[5])>=g_nTouchPanelXBase)
g_nTouchKeyX = (g_eph.RecBuf[5])-g_nTouchPanelXBase;
else
g_nTouchKeyX = 0;
g_nTouchKeyX =(unsigned char)g_nTouchKeyX*132/g_nTouchPanelXDiv;
g_nTouchKeyY =(unsigned char)g_nTouchKeyY*132/g_nTouchPanelYDiv;
return PEN_UP;
}
else if(g_eph.RecBuf[3]!=0xff&&g_eph.RecBuf[4]!=0xff&&g_eph.RecBuf[5]==0xff&&g_eph.RecBuf[6]==0xff)
{
g_nTouchPanelY = (g_eph.RecBuf[4]);
g_nTouchPanelX = (g_eph.RecBuf[3]);
if((g_eph.RecBuf[4])>=g_nTouchPanelYBase)
g_nTouchKeyY = (g_eph.RecBuf[4])-g_nTouchPanelYBase;
else
g_nTouchKeyY = 0;
if( (g_eph.RecBuf[3])>=g_nTouchPanelXBase)
g_nTouchKeyX = (g_eph.RecBuf[3])-g_nTouchPanelXBase;
else
g_nTouchKeyX = 0;
g_nTouchKeyX =(unsigned char)g_nTouchKeyX*132/g_nTouchPanelXDiv;
g_nTouchKeyY =(unsigned char)g_nTouchKeyY*132/g_nTouchPanelYDiv;
return PEN_UP;
}
break;
case UDM_RECOG_RESULT://手写识别结果
g_eph.wmID = UDM_THD_NULL;
if(!bWndGetResult)
{
unsigned char i,j;
unsigned char str[26];
unsigned char buf[12];
EA = 0;
// g_eph.wmID=UDM_THD_READING;
ClearRect(1,66,63,14);
ClearRect(1,81,63,14);
memset(g_Ime.ImeBuf,0,20);
if(g_eph.RecBuf[3])
{
j=0;
for(i=0;i<g_eph.RecBuf[3]*2;i+=2)
{
if(g_eph.RecBuf[i+5] == 0)
{
str[j] = g_eph.RecBuf[i+5];
str[j] = 0x20;
j++;
str[j++] = g_eph.RecBuf[i+4];
}
else
{
if(g_eph.RecBuf[i+5]>0xa0&&g_eph.RecBuf[i+4]>=0xa0)
{
str[j] = g_eph.RecBuf[i+5];
j++;
str[j++] = g_eph.RecBuf[i+4];
}
}
}
str[j] =0;
memcpy(g_Ime.ImeBuf,str,j);
memcpy(buf,&g_Ime.ImeBuf[10],10);
buf[10] = 0;
str[10] = 0;
for(i=0;i<10;i+=2)
{
if(str[i]==0)
break;
if(str[i]==0x20)
DrawTextChar(FONT12,2+6*i+3,67,str[i+1]);
else
DrawTextLine(FONT12,2+6*i,67,&str[i],2);
}
if(j>=10)
{
for(i=0;i<10;i+=2)
{
if(buf[i]==0)
break;
if(buf[i]==0x20)
DrawTextChar(FONT12,2+6*i+3,82,buf[i+1]);
else
DrawTextLine(FONT12,2+6*i,82,&buf[i],2);
}
}
}
bWndGetResult=1;
// g_eph.RecLen = 0;
g_Input.Len = 2;
return KEY_ENTER;
}
break;
// case UDM_THD_READING:
// break;
default:
return 0;
break;
}
}
else
return 0;
}
}
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