void diag_ts_test(void)
{
U8 input_buff;
U32 ret_val;
static U8 pen_pos_buffer[4] = { 0, 0, 0, 0 };
U32 len;
static S16 x = 0, y = 0;
/*Initialise ts and get the device handle */
ret_val = touch_screen_init((U32) & ts_device_handle);
fprintf(stdout, "\n Place the stylus on lcd panel and press ENTER\n");
fprintf(stdout, "\tType 'q' to abort the test\n");
while (1) {
if (ts_pen_pos((U32) & ts_device_handle, &len, &pen_pos_buffer[0]) == SUCCESS) {
x = pen_pos_buffer[0] | (pen_pos_buffer[1] << 8);
y = pen_pos_buffer[2] | (pen_pos_buffer[3] << 8);
printf("[x y] = [ 0x%x 0x%x]\n\r", x, y);
}
input_buff = fgetc(stdin);
if ((input_buff == 'q') || (input_buff == 'Q')) {
// aborted by user
fprintf(stdout, "Touchscreen Test Aboterd by user...\n\r");
break;
}
}
}
void pen_irq_status(void)
{
U32 pen;
U32 old_pen = 0;
U32 first = 1;
U32 initTimeval;
U32 finTimeval;
U32 secondsElapsed = 0;
volatile U32 *sync32khzClk;
S32 ret_val;
ret_val = touch_screen_init((U32) & ts_device_handle);
gpio_pin_init(GPIO_PENIRQ, 1);
sync32khzClk = CLK32K_COUNTER_REGISTER;
initTimeval = *sync32khzClk;
while (secondsElapsed <= TS_TIMEOUT) {
finTimeval = *sync32khzClk;
secondsElapsed = ((finTimeval - initTimeval) * 31 / 1000000);
pen = get_gpio_input(GPIO_PENIRQ);
if (first) {
old_pen = pen;
}
if ((first == 0) && (old_pen == pen)) {
continue;
} else {
old_pen = pen;
if (pen) {
printf("Up\t");
} else {
printf("Down");
}
}
first = 0;
}
}
/*==============================================================================
* - gui_init()
*
* - init gui
*/
int gui_init ()
{
/* lcd init */
lcd_init ();
/* touch screen init */
touch_screen_init ();
/* add gui cmd */
gui_cmd_init ();
/* start gui job thread */
gui_core_init ();
/* init han zi */
han_init();
/* start logo app */
app_logo ();
return 0;
}
void diag_ts_prod_test(void)
{
U32 ret_val;
U32 initTimeval;
U32 finTimeval;
U32 secondsElapsed;
volatile U32 *sync32khzClk;
U16 prev_x_co_ord = 0;
U16 prev_y_co_ord = 0;
U8 sample_count = 0;
U8 first_time = 1;
static U8 pen_pos_buffer[4] = { 0, 0, 0, 0 };
U32 len;
static U16 x = 0, y = 0;
sync32khzClk = CLK32K_COUNTER_REGISTER;
initTimeval = *sync32khzClk;
/*Initialise ts and get the device handle */
ret_val = touch_screen_init((U32) & ts_device_handle);
// init pen irq line as i/p
gpio_pin_init(GPIO_PENIRQ, 1);
fprintf(stdout, "\tTouchScreen Test:\n\r");
fprintf(stdout, "\tTouch at %d different positions:\n\r", TS_SAMPLES_TO_READ);
/* Mark start time for timeout timer. */
finTimeval = *sync32khzClk;
secondsElapsed = ((finTimeval - initTimeval) * 31 / 1000000);
first_time = 1;
sample_count = 0;
/* Start waiting for Pen down and ADC value */
while (secondsElapsed <= TS_TIMEOUT) {
udelay(ONE_MILLISEC);
// wait till pen is down
while (get_gpio_input(GPIO_PENIRQ)) ;
udelay(HUNDRED_MILLISEC);
if (ts_pen_pos((U32) & ts_device_handle, &len, &pen_pos_buffer[0]) == SUCCESS) {
x = pen_pos_buffer[0] | (pen_pos_buffer[1] << 8);
y = pen_pos_buffer[2] | (pen_pos_buffer[3] << 8);
/* Bounds checking */
if ((x >= 240) || (y >= 320)) {
fprintf(stdout, "Invalid Pen position\n");
continue;
} else if (first_time) {
prev_x_co_ord = x;
prev_y_co_ord = y;
}
/* Is pen still at the same place ? */
else if ((prev_x_co_ord == x) && (prev_y_co_ord == y)) {
continue;
}
fprintf(stdout, "Current Pen Position:[x y]=[%u %u]\n\r", x, y);
first_time = 0;
prev_x_co_ord = x;
prev_y_co_ord = y;
sample_count++;
if (sample_count >= TS_SAMPLES_TO_READ) {
fprintf(stdout, "TouchScreen Test is Passed\t\n");
return;
}
udelay(ONE_MILLISEC);
// wait for pen go Up
while (get_gpio_input(GPIO_PENIRQ) == 0) ;
udelay(ONE_MILLISEC);
}
// upadate the time elapsed
finTimeval = *sync32khzClk;
secondsElapsed = ((finTimeval - initTimeval) * 31 / 1000000);
}
fprintf(stdout, "TouchScreen Test is Timed out\t\n");
fprintf(stdout, "Failed to get %d samples from Touchscreen\t\n", TS_SAMPLES_TO_READ);
fprintf(stdout, "TouchScreen Test is Failed\t\n");
}
