4 * This file is part of BeRTOS.
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14 * GNU General Public License for more details.
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29 * Copyright 2011 Develer S.r.l. (http://www.develer.com/)
33 * \brief Atmel SAM3X-EK testcase
35 * \author Stefano Fedrigo <aleph@develer.com>
40 #include "hw/hw_led.h"
41 #include "hw/hw_lcd.h"
42 #include "hw/hw_sdram.h"
44 #include <cfg/debug.h>
46 #include <struct/heap.h>
47 #include <drv/timer.h>
49 #include <drv/lcd_hx8347.h>
54 #include <icons/logo.h>
56 #include <kern/signal.h>
57 #include <kern/proc.h>
61 #define KEY_MASK (K_LEFT | K_RIGHT)
64 #define PROC_STACK_SIZE KERN_MINSTACKSIZE * 2
69 #define led_stack NULL
71 static PROC_DEFINE_STACK(hp_stack, PROC_STACK_SIZE);
72 static PROC_DEFINE_STACK(lp_stack, PROC_STACK_SIZE);
73 static PROC_DEFINE_STACK(led_stack, PROC_STACK_SIZE);
76 static struct Heap heap;
77 static uint8_t raster[RAST_SIZE(LCD_WIDTH, LCD_HEIGHT)];
78 static Bitmap *lcd_bitmap;
79 extern Font font_gohu;
80 static int lcd_brightness = LCD_BACKLIGHT_MAX;
81 static Process *hp_proc, *lp_proc, *led_proc;
82 static hptime_t start, end;
85 static bool led_blinking;
87 static void NORETURN led_process(void)
106 static void led_test(UNUSED_ARG(Bitmap *, bm))
108 led_blinking = !led_blinking;
109 sig_send(led_proc, SIG_USER0);
112 static void bouncing_logo(Bitmap *bm)
114 const long SPEED_SCALE = 1000;
115 const long GRAVITY_ACCEL = 100;
116 const long BOUNCE_ELASTICITY = 1;
117 long h = (long)(-bertos_logo.height) * SPEED_SCALE;
125 /* Gravity acceleration */
126 speed += GRAVITY_ACCEL;
128 if (h > 0 && speed > 0)
131 speed = -(speed / BOUNCE_ELASTICITY);
134 /* Update graphics */
137 (LCD_WIDTH - bertos_logo.width) / 2,
138 (LCD_HEIGHT - bertos_logo.height) / 2 + h / SPEED_SCALE,
140 text_xprintf(bm, 13, 0, TEXT_FILL | TEXT_CENTER, "Press any key to quit");
141 lcd_hx8347_blitBitmap(bm);
143 if (kbd_peek() & KEY_MASK)
148 static void screen_saver(Bitmap *bm)
158 x2 = LCD_WIDTH - i % LCD_WIDTH;
159 y2 = LCD_HEIGHT - i % LCD_HEIGHT;
162 gfx_rectDraw(bm, x1, y1, x2, y2);
163 lcd_hx8347_blitBitmap(bm);
164 if (kbd_peek() & KEY_MASK)
169 static void show_logo(UNUSED_ARG(Bitmap *, bm))
171 lcd_hx8347_blitBitmap24(10, 52, BMP_LOGO_WIDTH, BMP_LOGO_HEIGHT, bmp_logo);
173 while (!(kbd_peek() & KEY_MASK))
178 INLINE hptime_t get_hp_ticks(void)
180 return (timer_clock_unlocked() * TIMER_HW_CNT) + timer_hw_hpread();
183 static void NORETURN hp_process(void)
188 end = get_hp_ticks();
190 sig_send(lp_proc, SIG_USER0);
194 static void NORETURN lp_process(void)
198 start = get_hp_ticks();
199 sig_send(hp_proc, SIG_USER0);
204 static void res_process(void)
206 const char spinner[] = {'/', '-', '\\', '|'};
212 /* Show context switch (in clock cycles) */
213 c = spinner[i % countof(spinner)];
214 text_xprintf(lcd_bitmap, 3, 0, TEXT_CENTER | TEXT_FILL, "%c Context switch %c", c, c);
215 text_xprintf(lcd_bitmap, 5, 0, TEXT_FILL, " %lu clock cycles", end - start);
216 /* Show context switch (in usec) */
217 text_xprintf(lcd_bitmap, 6, 0, TEXT_FILL,
219 ((end - start) * 1000000) / CPU_FREQ,
220 ((end - start) * (100000000 / CPU_FREQ)) % 100);
221 text_xprintf(lcd_bitmap, 8, 0, TEXT_FILL,
222 " Free heap memory: %u bytes", heap_freeSpace(&heap));
223 lcd_hx8347_blitBitmap(lcd_bitmap);
225 if (kbd_peek() & KEY_MASK)
230 static void context_switch_test(Bitmap *bm)
232 const Font *old_font = bm->font;
233 gfx_setFont(lcd_bitmap, &font_gohu);
236 text_xprintf(bm, 0, 0, TEXT_FILL,
237 "CPU: Cortex-M3 %luMHz", CPU_FREQ / 1000000);
238 text_xprintf(bm, 1, 0, TEXT_FILL, "Board: SAM3X-EK EVB");
242 gfx_setFont(lcd_bitmap, old_font);
245 static void uptime(Bitmap *bm)
248 text_xprintf(bm, 0, 0, TEXT_FILL | TEXT_CENTER, "Uptime");
251 ticks_t clock = ticks_to_ms(timer_clock_unlocked());
253 /* Display uptime (in ticks) */
254 text_xprintf(lcd_bitmap, 2, 0, TEXT_FILL | TEXT_CENTER,
255 "seconds: %lu", clock / 1000);
256 lcd_hx8347_blitBitmap(bm);
258 if (kbd_peek() & KEY_MASK)
266 static void setBrightness(Bitmap *bm)
271 text_xprintf(bm, 1, 0, TEXT_FILL | TEXT_CENTER, "Brightness: %d", lcd_brightness);
272 text_xprintf(bm, 3, 0, TEXT_FILL | TEXT_CENTER, "RIGHT key: change");
273 text_xprintf(bm, 4, 0, TEXT_FILL | TEXT_CENTER, "LEFT key: back ");
274 lcd_hx8347_blitBitmap(bm);
276 keymask_t mask = kbd_get();
280 else if (mask & K_RIGHT)
282 if (++lcd_brightness > LCD_BACKLIGHT_MAX)
284 lcd_setBacklight(lcd_brightness);
290 static void NORETURN soft_reset(Bitmap * bm)
297 text_xprintf(bm, 2, 0, TEXT_FILL | TEXT_CENTER, "%d", i);
298 lcd_hx8347_blitBitmap(bm);
301 text_xprintf(bm, 2, 0, TEXT_FILL | TEXT_CENTER, "REBOOT");
302 lcd_hx8347_blitBitmap(bm);
305 /* Perform a software reset request */
306 HWREG(NVIC_APINT) = NVIC_APINT_VECTKEY | NVIC_APINT_SYSRESETREQ;
311 static struct MenuItem main_items[] =
313 { (const_iptr_t)"LED blinking", 0, (MenuHook)led_test, NULL },
314 { (const_iptr_t)"Graphics demo", 0, (MenuHook)show_logo, NULL },
315 { (const_iptr_t)"Bouncing logo", 0, (MenuHook)bouncing_logo, NULL },
316 { (const_iptr_t)"Screen saver demo", 0, (MenuHook)screen_saver, NULL },
317 { (const_iptr_t)"Scheduling test", 0, (MenuHook)context_switch_test, NULL },
318 { (const_iptr_t)"Show uptime", 0, (MenuHook)uptime, NULL },
319 { (const_iptr_t)"Display brightness", 0, (MenuHook)setBrightness, NULL },
320 { (const_iptr_t)"Reboot", 0, (MenuHook)soft_reset, NULL },
321 { (const_iptr_t)0, 0, NULL, (iptr_t)0 }
323 static struct Menu main_menu = { main_items, "BeRTOS", MF_STICKY | MF_SAVESEL, NULL, 0, lcd_hx8347_blitBitmap };
338 heap_init(&heap, (void *)SDRAM_BASE, SDRAM_SIZE);
339 lcd_bitmap = heap_allocmem(&heap, RAST_SIZE(LCD_WIDTH, LCD_HEIGHT));
341 kprintf("Allocated memory for display raster, addr 0x%x\n", (unsigned)lcd_bitmap);
344 kprintf("Error allocating memory for LCD raster!\n");
347 for (i = 0; main_items[i].label; i++)
348 main_items[i].userdata = lcd_bitmap;
349 main_menu.bitmap = lcd_bitmap;
352 lcd_setBacklight(lcd_brightness);
354 gfx_bitmapInit(lcd_bitmap, raster, LCD_WIDTH, LCD_HEIGHT);
355 gfx_setFont(lcd_bitmap, &font_luBS14);
356 lcd_hx8347_blitBitmap(lcd_bitmap);
360 hp_proc = proc_new(hp_process, NULL, PROC_STACK_SIZE, hp_stack);
361 lp_proc = proc_new(lp_process, NULL, PROC_STACK_SIZE, lp_stack);
362 led_proc = proc_new(led_process, NULL, PROC_STACK_SIZE, led_stack);
364 proc_setPri(hp_proc, 2);
365 proc_setPri(lp_proc, 1);
367 lcd_hx8347_blitBitmap24(10, 52, BMP_LOGO_WIDTH, BMP_LOGO_HEIGHT, bmp_logo);
372 menu_handle(&main_menu);