void tp_read_adc(kal_int16 *x, kal_int16 *y)
{
#if !defined(__TOUCH_PANEL_CAPACITY__)
kal_uint8 command=0, retry;
kal_int16 temp_x=0, temp_y=0, diff_x=0, diff_y=0;
for(retry=0;retry<TOUCH_PANEL_RETRY;retry++)
{
/*Y ADC*/
command=TOUCH_PANEL_START_BIT|TOUCH_PANEL_X_PLUS|TOUCH_PANEL_12BIT_SAMPLE|
TOUCH_PANEL_DIFF_MODE;
serial_write_data(command);
*y=serial_read_data();
/*X ADC*/
command=TOUCH_PANEL_START_BIT|TOUCH_PANEL_Y_PLUS|TOUCH_PANEL_12BIT_SAMPLE|
TOUCH_PANEL_DIFF_MODE;
serial_write_data(command);
*x=serial_read_data();
if(temp_x==0&&temp_y==0)
{
temp_x=*x;
temp_y=*y;
}
else
{
diff_x=temp_x-*x;
diff_y=temp_y-*y;
if(diff_x>TOUCH_PANEL_FILTER_THRESOLD||diff_x<-TOUCH_PANEL_FILTER_THRESOLD
||diff_y>TOUCH_PANEL_FILTER_THRESOLD||diff_y<-TOUCH_PANEL_FILTER_THRESOLD)
{
temp_x=*x;
temp_y=*y;
*x=4095;
*y=4095;
}
else
{
if(*x!=4095&&*y!=4095)
return;
}
}
}
#endif //#if !defined(__TOUCH_PANEL_CAPACITY__)
}
kal_bool tp_pressure_check(void)
{
#if !defined(__TOUCH_PANEL_CAPACITY__)
kal_uint8 command=0, retry;
kal_int16 x, z1, z2;
kal_uint32 pressure;
for(retry=0;retry<TOUCH_PANEL_RETRY;retry++)
{
/*X ADC*/
command=TOUCH_PANEL_START_BIT|TOUCH_PANEL_Y_PLUS|TOUCH_PANEL_12BIT_SAMPLE|
TOUCH_PANEL_SINGLE_MODE;
serial_write_data(command);
x=serial_read_data();
//kal_prompt_trace(MOD_TP_TASK, "pressure x value: %d", x);
/*Z1 ADC*/
command=TOUCH_PANEL_START_BIT|TOUCH_PANEL_Z1_POS|TOUCH_PANEL_12BIT_SAMPLE|
TOUCH_PANEL_DIFF_MODE;
serial_write_data(command);
z1=serial_read_data();
//kal_prompt_trace(MOD_TP_TASK, "pressure z1 value: %d", z1);
/*Z2 ADC*/
command=TOUCH_PANEL_START_BIT|TOUCH_PANEL_Z2_POS|TOUCH_PANEL_12BIT_SAMPLE|
TOUCH_PANEL_DIFF_MODE;
serial_write_data(command);
z2=serial_read_data();
//kal_prompt_trace(MOD_TP_TASK, "pressure z2 value: %d", z2);
if((z1 > 0) && (z2 > z1))
{
pressure = (x*(z2-z1)/z1) >> 2; /* Rx*x/4096*(z2/z1 - 1), assume Rx=1024 */
//kal_prompt_trace(MOD_TP_TASK, "pressure: %d", pressure);
//if (pressure > TOUCH_PRESSURE_THRESHOLD2)
// kal_prompt_trace(MOD_TP_TASK, "pressure is above %d. value: %d", TOUCH_PRESSURE_THRESHOLD2, pressure);
if ((pressure > TOUCH_PRESSURE_THRESHOLD_HIGH) || (pressure <= TOUCH_PRESSURE_THRESHOLD_LOW))
return KAL_FALSE;
else
return KAL_TRUE;
}
}
void logwrite(char* str, ...)
{
const char* prepend = "[PIC] ";
const char* append = "\r\n";
char output[255];
va_list argptr;
va_start(argptr, str);
vsprintf(output + strlen(prepend), str, argptr);
va_end(argptr);
strncpy(output, prepend, strlen(prepend));
strcpy(output + strlen(output), append);
serial_write_data(output, strlen(output), 1);
}
static uint32
serial_control(IRP * irp)
{
int flush_mask, purge_mask;
uint32 result, modemstate;
uint8 immediate;
int size = 0, ret = RD_STATUS_SUCCESS;
SERIAL_DEVICE_INFO *info = (SERIAL_DEVICE_INFO *) irp->dev->info;
char *inbuf = irp->inputBuffer;
char *outbuf = NULL;
/* the server commands, we obbey */
switch (irp->ioControlCode)
{
case IOCTL_SERIAL_SET_BAUD_RATE:
info->baud_rate = GET_UINT32(inbuf, 0);
set_termios(info);
LLOGLN(10, ("serial_ioctl -> SERIAL_SET_BAUD_RATE %d", info->baud_rate));
break;
case IOCTL_SERIAL_GET_BAUD_RATE:
size = 4;
outbuf = malloc(size);
SET_UINT32(outbuf, 0, info->baud_rate);
LLOGLN(10, ("serial_ioctl -> SERIAL_GET_BAUD_RATE %d", info->baud_rate));
break;
case IOCTL_SERIAL_SET_QUEUE_SIZE:
info->queue_in_size = GET_UINT32(inbuf, 0);
info->queue_out_size = GET_UINT32(inbuf, 4);
LLOGLN(10, ("serial_ioctl -> SERIAL_SET_QUEUE_SIZE in %d out %d", info->queue_in_size, info->queue_out_size));
break;
case IOCTL_SERIAL_SET_LINE_CONTROL:
info->stop_bits = GET_UINT8(inbuf, 0);
info->parity = GET_UINT8(inbuf, 1);
info->word_length = GET_UINT8(inbuf, 2);
set_termios(info);
LLOGLN(10, ("serial_ioctl -> SERIAL_SET_LINE_CONTROL stop %d parity %d word %d",
info->stop_bits, info->parity, info->word_length));
break;
case IOCTL_SERIAL_GET_LINE_CONTROL:
LLOGLN(10, ("serial_ioctl -> SERIAL_GET_LINE_CONTROL"));
size = 3;
outbuf = malloc(size);
SET_UINT8(outbuf, 0, info->stop_bits);
SET_UINT8(outbuf, 1, info->parity);
SET_UINT8(outbuf, 2, info->word_length);
break;
case IOCTL_SERIAL_IMMEDIATE_CHAR:
LLOGLN(10, ("serial_ioctl -> SERIAL_IMMEDIATE_CHAR"));
immediate = GET_UINT8(inbuf, 0);
serial_write_data(irp, &immediate, 1);
break;
case IOCTL_SERIAL_CONFIG_SIZE:
LLOGLN(10, ("serial_ioctl -> SERIAL_CONFIG_SIZE"));
size = 4;
outbuf = malloc(size);
SET_UINT32(outbuf, 0, 0);
break;
case IOCTL_SERIAL_GET_CHARS:
LLOGLN(10, ("serial_ioctl -> SERIAL_GET_CHARS"));
size = 6;
outbuf = malloc(size);
memcpy(outbuf, info->chars, size);
break;
case IOCTL_SERIAL_SET_CHARS:
LLOGLN(10, ("serial_ioctl -> SERIAL_SET_CHARS"));
memcpy(info->chars, inbuf, 6);
set_termios(info);
break;
case IOCTL_SERIAL_GET_HANDFLOW:
LLOGLN(10, ("serial_ioctl -> IOCTL_SERIAL_GET_HANDFLOW"));
size = 16;
outbuf = malloc(size);
get_termios(info);
SET_UINT32(outbuf, 0, info->control);
SET_UINT32(outbuf, 4, info->xonoff);
SET_UINT32(outbuf, 8, info->onlimit);
SET_UINT32(outbuf, 12, info->offlimit);
break;
case IOCTL_SERIAL_SET_HANDFLOW:
info->control = GET_UINT32(inbuf, 0);
info->xonoff = GET_UINT32(inbuf, 4);
info->onlimit = GET_UINT32(inbuf, 8);
info->offlimit = GET_UINT32(inbuf, 12);
LLOGLN(10, ("serial_ioctl -> IOCTL_SERIAL_SET_HANDFLOW %x %x %x %x",
info->control, info->xonoff, info->onlimit, info->onlimit));
set_termios(info);
break;
case IOCTL_SERIAL_SET_TIMEOUTS:
info->read_interval_timeout = GET_UINT32(inbuf, 0);
info->read_total_timeout_multiplier = GET_UINT32(inbuf, 4);
info->read_total_timeout_constant = GET_UINT32(inbuf, 8);
info->write_total_timeout_multiplier = GET_UINT32(inbuf, 12);
info->write_total_timeout_constant = GET_UINT32(inbuf, 16);
/* http://www.codeproject.com/KB/system/chaiyasit_t.aspx, see 'ReadIntervalTimeout' section
http://msdn.microsoft.com/en-us/library/ms885171.aspx */
if (info->read_interval_timeout == SERIAL_TIMEOUT_MAX)
{
info->read_interval_timeout = 0;
info->read_total_timeout_multiplier = 0;
}
LLOGLN(10, ("serial_ioctl -> SERIAL_SET_TIMEOUTS read timeout %d %d %d",
info->read_interval_timeout,
info->read_total_timeout_multiplier,
info->read_total_timeout_constant));
break;
case IOCTL_SERIAL_GET_TIMEOUTS:
LLOGLN(10, ("serial_ioctl -> SERIAL_GET_TIMEOUTS read timeout %d %d %d",
info->read_interval_timeout,
info->read_total_timeout_multiplier,
info->read_total_timeout_constant));
size = 20;
outbuf = malloc(size);
SET_UINT32(outbuf, 0, info->read_interval_timeout);
SET_UINT32(outbuf, 4, info->read_total_timeout_multiplier);
SET_UINT32(outbuf, 8, info->read_total_timeout_constant);
SET_UINT32(outbuf, 12, info->write_total_timeout_multiplier);
SET_UINT32(outbuf, 16, info->write_total_timeout_constant);
break;
case IOCTL_SERIAL_GET_WAIT_MASK:
LLOGLN(10, ("serial_ioctl -> SERIAL_GET_WAIT_MASK %X", info->wait_mask));
size = 4;
outbuf = malloc(size);
SET_UINT32(outbuf, 0, info->wait_mask);
break;
case IOCTL_SERIAL_SET_WAIT_MASK:
info->wait_mask = GET_UINT32(inbuf, 0);
LLOGLN(10, ("serial_ioctl -> SERIAL_SET_WAIT_MASK %X", info->wait_mask));
break;
case IOCTL_SERIAL_SET_DTR:
LLOGLN(10, ("serial_ioctl -> SERIAL_SET_DTR"));
ioctl(info->file, TIOCMGET, &result);
result |= TIOCM_DTR;
ioctl(info->file, TIOCMSET, &result);
info->dtr = 1;
break;
case IOCTL_SERIAL_CLR_DTR:
LLOGLN(10, ("serial_ioctl -> SERIAL_CLR_DTR"));
ioctl(info->file, TIOCMGET, &result);
result &= ~TIOCM_DTR;
ioctl(info->file, TIOCMSET, &result);
info->dtr = 0;
break;
case IOCTL_SERIAL_SET_RTS:
LLOGLN(10, ("serial_ioctl -> SERIAL_SET_RTS"));
ioctl(info->file, TIOCMGET, &result);
result |= TIOCM_RTS;
ioctl(info->file, TIOCMSET, &result);
info->rts = 1;
break;
case IOCTL_SERIAL_CLR_RTS:
LLOGLN(10, ("serial_ioctl -> SERIAL_CLR_RTS"));
ioctl(info->file, TIOCMGET, &result);
result &= ~TIOCM_RTS;
ioctl(info->file, TIOCMSET, &result);
info->rts = 0;
break;
case IOCTL_SERIAL_GET_MODEMSTATUS:
modemstate = 0;
#ifdef TIOCMGET
ioctl(info->file, TIOCMGET, &result);
if (result & TIOCM_CTS)
modemstate |= SERIAL_MS_CTS;
if (result & TIOCM_DSR)
modemstate |= SERIAL_MS_DSR;
if (result & TIOCM_RNG)
modemstate |= SERIAL_MS_RNG;
if (result & TIOCM_CAR)
modemstate |= SERIAL_MS_CAR;
if (result & TIOCM_DTR)
modemstate |= SERIAL_MS_DTR;
if (result & TIOCM_RTS)
modemstate |= SERIAL_MS_RTS;
#endif
LLOGLN(10, ("serial_ioctl -> SERIAL_GET_MODEMSTATUS %X", modemstate));
size = 4;
outbuf = malloc(size);
SET_UINT32(outbuf, 0, modemstate);
break;
case IOCTL_SERIAL_GET_COMMSTATUS:
size = 18;
outbuf = malloc(size);
SET_UINT32(outbuf, 0, 0); /* Errors */
SET_UINT32(outbuf, 4, 0); /* Hold reasons */
result = 0;
#ifdef TIOCINQ
ioctl(info->file, TIOCINQ, &result);
#endif
SET_UINT32(outbuf, 8, result); /* Amount in in queue */
if (result)
LLOGLN(10, ("serial_ioctl -> SERIAL_GET_COMMSTATUS in queue %d", result));
result = 0;
#ifdef TIOCOUTQ
ioctl(info->file, TIOCOUTQ, &result);
#endif
SET_UINT32(outbuf, 12, result); /* Amount in out queue */
LLOGLN(10, ("serial_ioctl -> SERIAL_GET_COMMSTATUS out queue %d", result));
SET_UINT8(outbuf, 16, 0); /* EofReceived */
SET_UINT8(outbuf, 17, 0); /* WaitForImmediate */
break;
case IOCTL_SERIAL_PURGE:
purge_mask = GET_UINT32(inbuf, 0);
LLOGLN(10, ("serial_ioctl -> SERIAL_PURGE purge_mask %X", purge_mask));
flush_mask = 0;
if (purge_mask & SERIAL_PURGE_TXCLEAR)
flush_mask |= TCOFLUSH;
if (purge_mask & SERIAL_PURGE_RXCLEAR)
flush_mask |= TCIFLUSH;
if (flush_mask != 0)
tcflush(info->file, flush_mask);
if (purge_mask & SERIAL_PURGE_TXABORT)
irp->abortIO |= RDPDR_ABORT_IO_WRITE;
if(purge_mask & SERIAL_PURGE_RXABORT)
irp->abortIO |= RDPDR_ABORT_IO_READ;
break;
case IOCTL_SERIAL_WAIT_ON_MASK:
LLOGLN(10, ("serial_ioctl -> SERIAL_WAIT_ON_MASK %X", info->wait_mask));
info->event_pending = 1;
if (serial_get_event(irp, &result))
{
size = 4;
outbuf = malloc(size);
LLOGLN(10, ("WAIT end event = %x", result));
SET_UINT32(outbuf, 0, result);
break;
}
irp->outputBufferLength = 4;
ret = RD_STATUS_PENDING;
break;
case IOCTL_SERIAL_SET_BREAK_ON:
LLOGLN(10, ("serial_ioctl -> SERIAL_SET_BREAK_ON"));
tcsendbreak(info->file, 0);
break;
case IOCTL_SERIAL_RESET_DEVICE:
LLOGLN(10, ("serial_ioctl -> SERIAL_RESET_DEVICE"));
break;
case IOCTL_SERIAL_SET_BREAK_OFF:
LLOGLN(10, ("serial_ioctl -> SERIAL_SET_BREAK_OFF"));
break;
case IOCTL_SERIAL_SET_XOFF:
LLOGLN(10, ("serial_ioctl -> SERIAL_SET_XOFF"));
break;
case IOCTL_SERIAL_SET_XON:
LLOGLN(10, ("serial_ioctl -> SERIAL_SET_XON"));
tcflow(info->file, TCION);
break;
default:
LLOGLN(10, ("NOT FOUND IoControlCode SERIAL IOCTL %d", irp->ioControlCode));
return RD_STATUS_INVALID_PARAMETER;
}
irp->outputBuffer = outbuf;
irp->outputBufferLength = size;
return ret;
}
