/* LCD init */
void lcd_init(void)
{
/* Initialise the viewport */
lcd_set_viewport(NULL);
lcd_clear_display();
/* Call device specific init */
lcd_init_device();
scroll_init();
}
static void sig_handler(int sig, siginfo_t *siginfo, void *context)
{
/* safe guard variable - we call backtrace() only on first
* UIE call. This prevent endless loop if backtrace() touches
* memory regions which cause abort
*/
static bool triggered = false;
lcd_set_backdrop(NULL);
lcd_set_drawmode(DRMODE_SOLID);
lcd_set_foreground(LCD_BLACK);
lcd_set_background(LCD_WHITE);
unsigned line = 0;
lcd_setfont(FONT_SYSFIXED);
lcd_set_viewport(NULL);
lcd_clear_display();
/* get context info */
ucontext_t *uc = (ucontext_t *)context;
unsigned long pc = uc->uc_mcontext.pc;
unsigned long sp = uc->uc_mcontext.gregs[29];
lcd_putsf(0, line++, "%s at %08x", strsignal(sig), pc);
if(sig == SIGILL || sig == SIGFPE || sig == SIGSEGV || sig == SIGBUS || sig == SIGTRAP)
lcd_putsf(0, line++, "address 0x%08x", siginfo->si_addr);
if(!triggered)
{
triggered = true;
rb_backtrace(pc, sp, &line);
}
#ifdef ROCKBOX_HAS_LOGF
lcd_putsf(0, line++, "logf:");
logf_panic_dump(&line);
#endif
lcd_update();
system_exception_wait(); /* If this returns, try to reboot */
system_reboot();
while (1); /* halt */
}
void button_debug_screen(void)
{
char product_id[RMI_PRODUCT_ID_LEN];
rmi_read(RMI_PRODUCT_ID, RMI_PRODUCT_ID_LEN, product_id);
int x_max = rmi_read_single(RMI_2D_SENSOR_XMAX_MSB(0)) << 8 | rmi_read_single(RMI_2D_SENSOR_XMAX_LSB(0));
int y_max = rmi_read_single(RMI_2D_SENSOR_YMAX_MSB(0)) << 8 | rmi_read_single(RMI_2D_SENSOR_YMAX_LSB(0));
int func_presence = rmi_read_single(RMI_FUNCTION_PRESENCE(RMI_2D_TOUCHPAD_FUNCTION));
int sensor_prop = rmi_read_single(RMI_2D_SENSOR_PROP2(0));
int sensor_resol = rmi_read_single(RMI_2D_SENSOR_RESOLUTION(0));
int min_dist = rmi_read_single(RMI_2D_MIN_DIST);
int gesture_settings = rmi_read_single(RMI_2D_GESTURE_SETTINGS);
union
{
unsigned char data;
signed char value;
}sensitivity;
rmi_read(RMI_2D_SENSITIVITY_ADJ, 1, &sensitivity.data);
/* Device to screen */
int zone_w = LCD_WIDTH;
int zone_h = (zone_w * y_max + x_max - 1) / x_max;
int zone_x = 0;
int zone_y = LCD_HEIGHT - zone_h;
#define DX2SX(x) (((x) * zone_w ) / x_max)
#define DY2SY(y) (zone_h - ((y) * zone_h ) / y_max)
struct viewport report_vp;
memset(&report_vp, 0, sizeof(report_vp));
report_vp.x = zone_x;
report_vp.y = zone_y;
report_vp.width = zone_w;
report_vp.height = zone_h;
struct viewport gesture_vp;
memset(&gesture_vp, 0, sizeof(gesture_vp));
gesture_vp.x = 0;
gesture_vp.y = zone_y - 80;
gesture_vp.width = LCD_WIDTH;
gesture_vp.height = 80;
while(1)
{
lcd_set_viewport(NULL);
lcd_clear_display();
int btns = button_read_device();
lcd_putsf(0, 0, "button bitmap: %x", btns);
lcd_putsf(0, 1, "RMI: id=%s p=%x s=%x", product_id, func_presence, sensor_prop);
lcd_putsf(0, 2, "xmax=%d ymax=%d res=%d", x_max, y_max, sensor_resol);
lcd_putsf(0, 3, "attn=%d ctl=%x int=%x",
imx233_get_gpio_input_mask(0, 0x08000000) ? 0 : 1,
rmi_read_single(RMI_DEVICE_CONTROL),
rmi_read_single(RMI_INTERRUPT_REQUEST));
lcd_putsf(0, 4, "sensi: %d min_dist: %d", (int)sensitivity.value, min_dist);
lcd_putsf(0, 5, "gesture: %x", gesture_settings);
union
{
unsigned char data[10];
struct
{
struct rmi_2d_absolute_data_t absolute;
struct rmi_2d_relative_data_t relative;
struct rmi_2d_gesture_data_t gesture;
}s;
}u;
int absolute_x = u.s.absolute.x_msb << 8 | u.s.absolute.x_lsb;
int absolute_y = u.s.absolute.y_msb << 8 | u.s.absolute.y_lsb;
int nr_fingers = u.s.absolute.misc & 7;
bool gesture = (u.s.absolute.misc & 8) == 8;
int palm_width = u.s.absolute.misc >> 4;
rmi_read(RMI_DATA_REGISTER(0), 10, u.data);
lcd_putsf(0, 6, "abs: %d %d %d", absolute_x, absolute_y, (int)u.s.absolute.z);
lcd_putsf(0, 7, "rel: %d %d", (int)u.s.relative.x, (int)u.s.relative.y);
lcd_putsf(0, 8, "gesture: %x %x", u.s.gesture.misc, u.s.gesture.flick);
lcd_putsf(0, 9, "misc: w=%d g=%d f=%d", palm_width, gesture, nr_fingers);
lcd_set_viewport(&report_vp);
lcd_set_drawinfo(DRMODE_SOLID, LCD_RGBPACK(0xff, 0, 0), LCD_BLACK);
lcd_drawrect(0, 0, zone_w, zone_h);
if(nr_fingers == 1)
{
lcd_set_drawinfo(DRMODE_SOLID, LCD_RGBPACK(0, 0, 0xff), LCD_BLACK);
lcd_drawline(DX2SX(absolute_x) - u.s.relative.x,
DY2SY(absolute_y) + u.s.relative.y,
DX2SX(absolute_x), DY2SY(absolute_y));
lcd_set_drawinfo(DRMODE_SOLID, LCD_RGBPACK(0, 0xff, 0), LCD_BLACK);
lcd_fillrect(DX2SX(absolute_x) - 1, DY2SY(absolute_y) - 1, 3, 3);
}
lcd_set_viewport(&gesture_vp);
lcd_set_drawinfo(DRMODE_SOLID, LCD_RGBPACK(0xff, 0xff, 0), LCD_BLACK);
if(u.s.gesture.misc & RMI_2D_GEST_MISC_CONFIRMED)
{
switch(u.s.gesture.misc & RMI_2D_GEST_MISC_TAP_CODE_BM)
{
case RMI_2D_GEST_MISC_NO_TAP: break;
case RMI_2D_GEST_MISC_SINGLE_TAP:
lcd_putsf(0, 0, "TAP!");
break;
case RMI_2D_GEST_MISC_DOUBLE_TAP:
lcd_putsf(0, 0, "DOUBLE TAP!");
break;
case RMI_2D_GEST_MISC_TAP_AND_HOLD:
lcd_putsf(0, 0, "TAP & HOLD!");
break;
default: break;
}
if(u.s.gesture.misc & RMI_2D_GEST_MISC_FLICK)
{
lcd_putsf(0, 1, "FLICK!");
int flick_x = u.s.gesture.flick & RMI_2D_GEST_FLICK_X_BM;
int flick_y = (u.s.gesture.flick & RMI_2D_GEST_FLICK_Y_BM) >> RMI_2D_GEST_FLICK_Y_BP;
#define SIGN4EXT(a) \
if(a & 8) a = -((a ^ 0xf) + 1);
SIGN4EXT(flick_x);
SIGN4EXT(flick_y);
int center_x = (LCD_WIDTH * 2) / 3;
int center_y = 40;
lcd_drawline(center_x, center_y, center_x + flick_x * 5, center_y - flick_y * 5);
}
}
lcd_update();
if(btns & BUTTON_POWER)
break;
if(btns & BUTTON_VOL_DOWN || btns & BUTTON_VOL_UP)
{
if(btns & BUTTON_VOL_UP)
sensitivity.value++;
if(btns & BUTTON_VOL_DOWN)
sensitivity.value--;
rmi_write(RMI_2D_SENSITIVITY_ADJ, 1, &sensitivity.data);
}
yield();
}
