4 * This file is part of BeRTOS.
6 * Bertos is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
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13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
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18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
20 * As a special exception, you may use this file as part of a free software
21 * library without restriction. Specifically, if other files instantiate
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24 * file does not by itself cause the resulting executable to be covered by
25 * the GNU General Public License. This exception does not however
26 * invalidate any other reasons why the executable file might be covered by
27 * the GNU General Public License.
29 * Copyright 2010 Develer S.r.l. (http://www.develer.com/)
33 * \brief Atmel SAM3N-EK testcase
35 * \author Stefano Fedrigo <aleph@develer.com>
40 #include "hw/hw_led.h"
41 #include "hw/hw_lcd.h"
43 #include <cfg/debug.h>
47 #include <drv/timer.h>
49 #include <drv/lcd_ili9225.h>
51 #include <cpu/arm/drv/spi_dma_at91.h>
59 #include <icons/logo.h>
63 #include <kern/signal.h>
64 #include <kern/proc.h>
67 #define KEY_MASK (K_LEFT | K_RIGHT)
70 #define PROC_STACK_SIZE KERN_MINSTACKSIZE * 2
75 #define led_stack NULL
77 static PROC_DEFINE_STACK(hp_stack, PROC_STACK_SIZE);
78 static PROC_DEFINE_STACK(lp_stack, PROC_STACK_SIZE);
79 static PROC_DEFINE_STACK(led_stack, PROC_STACK_SIZE);
82 struct SpiDmaAt91 spi;
83 static uint8_t raster[RAST_SIZE(LCD_WIDTH, LCD_HEIGHT)];
84 static Bitmap lcd_bitmap;
85 extern Font font_gohu;
86 static int lcd_brightness = LCD_BACKLIGHT_MAX;
87 static Process *hp_proc, *lp_proc, *led_proc;
88 static hptime_t start, end;
91 INLINE void led_on(int idx)
101 INLINE void led_off(int idx)
111 static bool led_blinking;
113 static void NORETURN led_process(void)
132 static void led_test(UNUSED_ARG(Bitmap *, bm))
134 led_blinking = !led_blinking;
135 sig_send(led_proc, SIG_USER0);
138 static void bouncing_logo(Bitmap *bm)
140 const long SPEED_SCALE = 1000;
141 const long GRAVITY_ACCEL = 100;
142 const long BOUNCE_ELASTICITY = 1;
143 long h = (long)(-bertos_logo.height) * SPEED_SCALE;
151 /* Gravity acceleration */
152 speed += GRAVITY_ACCEL;
154 if (h > 0 && speed > 0)
157 speed = -(speed / BOUNCE_ELASTICITY);
160 /* Update graphics */
163 (LCD_WIDTH - bertos_logo.width) / 2,
164 (LCD_HEIGHT - bertos_logo.height) / 2 + h / SPEED_SCALE,
166 text_xprintf(bm, 13, 0, TEXT_FILL | TEXT_CENTER, "Press any key to quit");
167 lcd_ili9225_blitBitmap(bm);
169 if (kbd_peek() & KEY_MASK)
174 static void screen_saver(Bitmap *bm)
184 x2 = LCD_WIDTH - i % LCD_WIDTH;
185 y2 = LCD_HEIGHT - i % LCD_HEIGHT;
188 gfx_rectDraw(bm, x1, y1, x2, y2);
189 lcd_ili9225_blitBitmap(bm);
190 if (kbd_peek() & KEY_MASK)
195 static void robot_logo(UNUSED_ARG(Bitmap *, bm))
197 lcd_ili9225_blitBitmap24(0, 0, BMP_THINKING_WIDTH, BMP_THINKING_HEIGHT, bmp_thinking);
199 while (!(kbd_peek() & KEY_MASK))
204 INLINE hptime_t get_hp_ticks(void)
206 return (timer_clock_unlocked() * TIMER_HW_CNT) + timer_hw_hpread();
209 static void NORETURN hp_process(void)
214 end = get_hp_ticks();
216 sig_send(lp_proc, SIG_USER0);
220 static void NORETURN lp_process(void)
224 start = get_hp_ticks();
225 sig_send(hp_proc, SIG_USER0);
230 static void res_process(void)
232 const char spinner[] = {'/', '-', '\\', '|'};
238 /* Show context switch (in clock cycles) */
239 c = spinner[i % countof(spinner)];
240 text_xprintf(&lcd_bitmap, 3, 0, TEXT_CENTER | TEXT_FILL, "%c Context switch %c", c, c);
241 text_xprintf(&lcd_bitmap, 5, 0, TEXT_FILL, " %lu clock cycles", end - start);
242 /* Show context switch (in usec) */
243 text_xprintf(&lcd_bitmap, 6, 0, TEXT_FILL,
245 ((end - start) * 1000000) / CPU_FREQ,
246 ((end - start) * (100000000 / CPU_FREQ)) % 100);
247 lcd_ili9225_blitBitmap(&lcd_bitmap);
249 if (kbd_peek() & KEY_MASK)
254 static void context_switch_test(Bitmap *bm)
256 const Font *old_font = bm->font;
257 gfx_setFont(&lcd_bitmap, &font_gohu);
260 text_xprintf(bm, 0, 0, TEXT_FILL,
261 "CPU: Cortex-M3 %luMHz", CPU_FREQ / 1000000);
262 text_xprintf(bm, 1, 0, TEXT_FILL, "Board: SAM3N-EK EVB");
266 gfx_setFont(&lcd_bitmap, old_font);
269 static void uptime(Bitmap *bm)
272 text_xprintf(bm, 0, 0, TEXT_FILL | TEXT_CENTER, "Uptime");
275 ticks_t clock = ticks_to_ms(timer_clock_unlocked());
277 /* Display uptime (in ticks) */
278 text_xprintf(&lcd_bitmap, 2, 0, TEXT_FILL | TEXT_CENTER,
279 "seconds: %lu", clock / 1000);
280 lcd_ili9225_blitBitmap(bm);
282 if (kbd_peek() & KEY_MASK)
290 static void setBrightness(Bitmap *bm)
295 text_xprintf(bm, 1, 0, TEXT_FILL | TEXT_CENTER, "Brightness: %d", lcd_brightness);
296 text_xprintf(bm, 3, 0, TEXT_FILL | TEXT_CENTER, "RIGHT key: change");
297 text_xprintf(bm, 4, 0, TEXT_FILL | TEXT_CENTER, "LEFT key: back ");
298 lcd_ili9225_blitBitmap(bm);
300 keymask_t mask = kbd_get();
304 else if (mask & K_RIGHT)
306 if (++lcd_brightness > LCD_BACKLIGHT_MAX)
308 lcd_setBacklight(lcd_brightness);
314 static void NORETURN soft_reset(Bitmap * bm)
321 text_xprintf(bm, 2, 0, TEXT_FILL | TEXT_CENTER, "%d", i);
322 lcd_ili9225_blitBitmap(bm);
325 text_xprintf(bm, 2, 0, TEXT_FILL | TEXT_CENTER, "REBOOT");
326 lcd_ili9225_blitBitmap(bm);
329 /* Perform a software reset request */
330 HWREG(NVIC_APINT) = NVIC_APINT_VECTKEY | NVIC_APINT_SYSRESETREQ;
335 static struct MenuItem main_items[] =
337 { (const_iptr_t)"LED blinking", 0, (MenuHook)led_test, (iptr_t)&lcd_bitmap },
338 { (const_iptr_t)"Graphics demo", 0, (MenuHook)robot_logo, (iptr_t)&lcd_bitmap },
339 { (const_iptr_t)"Bouncing logo", 0, (MenuHook)bouncing_logo, (iptr_t)&lcd_bitmap },
340 { (const_iptr_t)"Screen saver demo", 0, (MenuHook)screen_saver, (iptr_t)&lcd_bitmap },
341 { (const_iptr_t)"Scheduling test", 0, (MenuHook)context_switch_test, (iptr_t)&lcd_bitmap },
342 { (const_iptr_t)"Show uptime", 0, (MenuHook)uptime, (iptr_t)&lcd_bitmap },
343 { (const_iptr_t)"Display brightness", 0, (MenuHook)setBrightness, (iptr_t)&lcd_bitmap },
344 { (const_iptr_t)"Reboot", 0, (MenuHook)soft_reset, (iptr_t)&lcd_bitmap },
345 { (const_iptr_t)0, 0, NULL, (iptr_t)0 }
347 static struct Menu main_menu = { main_items, "BeRTOS", MF_STICKY | MF_SAVESEL, &lcd_bitmap, 0, lcd_ili9225_blitBitmap };
360 spi_dma_setclock(LCD_SPICLOCK);
361 lcd_ili9225_init(&spi.fd);
362 LCD_BACKLIGHT_INIT();
363 lcd_setBacklight(lcd_brightness);
365 gfx_bitmapInit(&lcd_bitmap, raster, LCD_WIDTH, LCD_HEIGHT);
366 gfx_setFont(&lcd_bitmap, &font_luBS14);
367 lcd_ili9225_blitBitmap(&lcd_bitmap);
371 hp_proc = proc_new(hp_process, NULL, PROC_STACK_SIZE, hp_stack);
372 lp_proc = proc_new(lp_process, NULL, PROC_STACK_SIZE, lp_stack);
373 led_proc = proc_new(led_process, NULL, PROC_STACK_SIZE, led_stack);
375 proc_setPri(hp_proc, 2);
376 proc_setPri(lp_proc, 1);
378 lcd_ili9225_blitBitmap24(0, 50, BMP_LOGO_WIDTH, BMP_LOGO_HEIGHT, bmp_logo);
383 menu_handle(&main_menu);