+static void res_process(void)
+{
+ const char spinner[] = {'/', '-', '\\', '|'};
+ int i;
+ char c;
+
+ for (i = 0; ; i++)
+ {
+ /* Show context switch (in clock cycles) */
+ c = spinner[i % countof(spinner)];
+ text_xprintf(&lcd_bitmap, 3, 0, TEXT_CENTER | TEXT_FILL, "%c Context switch %c", c, c);
+ text_xprintf(&lcd_bitmap, 5, 0, TEXT_FILL, " %lu clock cycles", end - start);
+ /* Show context switch (in usec) */
+ text_xprintf(&lcd_bitmap, 6, 0, TEXT_FILL,
+ " %lu.%lu usec",
+ ((end - start) * 1000000) / CPU_FREQ,
+ ((end - start) * (100000000 / CPU_FREQ)) % 100);
+ rit128x96_blitBitmap(&lcd_bitmap);
+ timer_delay(5);
+ if (kbd_peek() & KEY_MASK)
+ break;
+ }
+}
+
+static void context_switch_test(Bitmap *bm)
+{
+ gfx_bitmapClear(bm);
+ text_xprintf(bm, 0, 0, TEXT_FILL,
+ "CPU: Cortex-M3 %luMHz", CPU_FREQ / 1000000);
+ rit128x96_blitBitmap(bm);
+ text_xprintf(bm, 1, 0, TEXT_FILL, "Board: LM3S1968 EVB");
+ rit128x96_blitBitmap(bm);
+
+ res_process();
+}
+
+static void uptime(Bitmap *bm)
+{
+ extern const Font font_luBS14;
+ const Font *old_font;
+
+ old_font = bm->font;
+
+ /* Set big font */
+ gfx_bitmapClear(bm);
+ gfx_setFont(bm, &font_luBS14);
+ text_xprintf(bm, 0, 0, TEXT_FILL | TEXT_CENTER, "Uptime");
+ while (1)
+ {
+ ticks_t clock = ticks_to_ms(timer_clock_unlocked());
+
+ /* Display uptime (in ticks) */
+ text_xprintf(&lcd_bitmap, 2, 0, TEXT_FILL | TEXT_CENTER,
+ "%lu", clock / 1000);
+ rit128x96_blitBitmap(bm);
+ timer_delay(5);
+ if (kbd_peek() & KEY_MASK)
+ break;
+ }
+ gfx_setFont(bm, old_font);
+}
+
+static void NORETURN soft_reset(Bitmap * bm)
+{
+ extern const Font font_luBS14;
+ int i;
+
+ /* Set big font */
+ gfx_bitmapClear(bm);
+ gfx_setFont(bm, &font_luBS14);
+ for (i = 5; i; --i)
+ {
+ text_xprintf(bm, 2, 0, TEXT_FILL | TEXT_CENTER, "%d", i);
+ rit128x96_blitBitmap(bm);
+ timer_delay(1000);
+ }
+ text_xprintf(bm, 2, 0, TEXT_FILL | TEXT_CENTER, "REBOOT");
+ rit128x96_blitBitmap(bm);
+ timer_delay(1000);
+
+ /* Perform a software reset request */
+ HWREG(NVIC_APINT) = NVIC_APINT_VECTKEY | NVIC_APINT_SYSRESETREQ;
+ UNREACHABLE();
+}
+
+static void NORETURN ser_process(void)
+{
+ char buf[32];
+ int i;
+
+ ser_init(&ser_port, SER_UART0);
+ ser_setbaudrate(&ser_port, 115200);
+
+ /* BeRTOS terminal */
+ for (i = 0; ; i++)
+ {
+ kfile_printf(&ser_port.fd, "\n\r[%03d] BeRTOS:~$ ", i);
+ kfile_gets_echo(&ser_port.fd, buf, sizeof(buf), true);
+ kfile_printf(&ser_port.fd, "%s", buf);
+ }
+}
+
+static struct MenuItem main_items[] =
+{
+ { (const_iptr_t)"LED blinking", 0, (MenuHook)led_test, (iptr_t)&lcd_bitmap },
+ { (const_iptr_t)"Bouncing logo", 0, (MenuHook)bouncing_logo, (iptr_t)&lcd_bitmap },
+ { (const_iptr_t)"Screen saver demo", 0, (MenuHook)screen_saver, (iptr_t)&lcd_bitmap },
+ { (const_iptr_t)"Scheduling test", 0, (MenuHook)context_switch_test, (iptr_t)&lcd_bitmap },
+ { (const_iptr_t)"Show uptime", 0, (MenuHook)uptime, (iptr_t)&lcd_bitmap },
+ { (const_iptr_t)"Reboot", 0, (MenuHook)soft_reset, (iptr_t)&lcd_bitmap },
+ { (const_iptr_t)0, 0, NULL, (iptr_t)0 }
+};
+static struct Menu main_menu = { main_items, "BeRTOS", MF_STICKY | MF_SAVESEL, &lcd_bitmap, 0 };
+