/* 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(); }