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
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
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
22 * templates or use macros or inline functions from this file, or you compile
23 * this file and link it with other files to produce an executable, this
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>
38 #include "hw/hw_led.h"
39 #include "hw/hw_lcd.h"
43 #include <drv/timer.h>
45 #include <cpu/arm/drv/spi_dma_at91.h>
46 #include <drv/lcd_ili9225.h>
51 #include <icons/logo.h>
53 #include <kern/signal.h>
54 #include <kern/proc.h>
57 #define KEY_MASK (K_LEFT | K_RIGHT)
60 #define PROC_STACK_SIZE KERN_MINSTACKSIZE * 2
65 #define led_stack NULL
67 static PROC_DEFINE_STACK(hp_stack, PROC_STACK_SIZE);
68 static PROC_DEFINE_STACK(lp_stack, PROC_STACK_SIZE);
69 static PROC_DEFINE_STACK(led_stack, PROC_STACK_SIZE);
72 struct SpiDmaAt91 spi;
73 static uint8_t raster[RAST_SIZE(LCD_WIDTH, LCD_HEIGHT)];
74 static Bitmap lcd_bitmap;
75 extern Font font_gohu;
76 static int lcd_brightness = LCD_BACKLIGHT_MAX;
77 static Process *hp_proc, *lp_proc, *led_proc;
78 static hptime_t start, end;
81 INLINE void led_on(int idx)
86 LED_ON(LED_GREEN_PIN);
88 LED_ON(LED_AMBER_PIN);
91 INLINE void led_off(int idx)
94 LED_OFF(LED_BLUE_PIN);
96 LED_OFF(LED_GREEN_PIN);
98 LED_OFF(LED_AMBER_PIN);
101 static bool led_blinking;
103 static void NORETURN led_process(void)
122 static void led_test(UNUSED_ARG(Bitmap *, bm))
124 led_blinking = !led_blinking;
125 sig_send(led_proc, SIG_USER0);
128 static void bouncing_logo(Bitmap *bm)
130 const long SPEED_SCALE = 1000;
131 const long GRAVITY_ACCEL = 100;
132 const long BOUNCE_ELASTICITY = 1;
133 long h = (long)(-bertos_logo.height) * SPEED_SCALE;
141 /* Gravity acceleration */
142 speed += GRAVITY_ACCEL;
144 if (h > 0 && speed > 0)
147 speed = -(speed / BOUNCE_ELASTICITY);
150 /* Update graphics */
153 (LCD_WIDTH - bertos_logo.width) / 2,
154 (LCD_HEIGHT - bertos_logo.height) / 2 + h / SPEED_SCALE,
156 text_xprintf(bm, 13, 0, TEXT_FILL | TEXT_CENTER, "Press any key to quit");
157 lcd_ili9225_blitBitmap(bm);
159 if (kbd_peek() & KEY_MASK)
164 static void screen_saver(Bitmap *bm)
174 x2 = LCD_WIDTH - i % LCD_WIDTH;
175 y2 = LCD_HEIGHT - i % LCD_HEIGHT;
178 gfx_rectDraw(bm, x1, y1, x2, y2);
179 lcd_ili9225_blitBitmap(bm);
180 if (kbd_peek() & KEY_MASK)
185 static void robot_logo(UNUSED_ARG(Bitmap *, bm))
187 lcd_ili9225_blitBitmap24(0, 0, BMP_THINKING_WIDTH, BMP_THINKING_HEIGHT, bmp_thinking);
189 while (!(kbd_peek() & KEY_MASK))
194 INLINE hptime_t get_hp_ticks(void)
196 return (timer_clock_unlocked() * TIMER_HW_CNT) + timer_hw_hpread();
199 static void NORETURN hp_process(void)
204 end = get_hp_ticks();
206 sig_send(lp_proc, SIG_USER0);
210 static void NORETURN lp_process(void)
214 start = get_hp_ticks();
215 sig_send(hp_proc, SIG_USER0);
220 static void res_process(void)
222 const char spinner[] = {'/', '-', '\\', '|'};
228 /* Show context switch (in clock cycles) */
229 c = spinner[i % countof(spinner)];
230 text_xprintf(&lcd_bitmap, 3, 0, TEXT_CENTER | TEXT_FILL, "%c Context switch %c", c, c);
231 text_xprintf(&lcd_bitmap, 5, 0, TEXT_FILL, " %lu clock cycles", end - start);
232 /* Show context switch (in usec) */
233 text_xprintf(&lcd_bitmap, 6, 0, TEXT_FILL,
235 ((end - start) * 1000000) / CPU_FREQ,
236 ((end - start) * (100000000 / CPU_FREQ)) % 100);
237 lcd_ili9225_blitBitmap(&lcd_bitmap);
239 if (kbd_peek() & KEY_MASK)
244 static void context_switch_test(Bitmap *bm)
246 const Font *old_font = bm->font;
247 gfx_setFont(&lcd_bitmap, &font_gohu);
250 text_xprintf(bm, 0, 0, TEXT_FILL,
251 "CPU: Cortex-M3 %luMHz", CPU_FREQ / 1000000);
252 text_xprintf(bm, 1, 0, TEXT_FILL, "Board: SAM3N-EK EVB");
256 gfx_setFont(&lcd_bitmap, old_font);
259 static void uptime(Bitmap *bm)
262 text_xprintf(bm, 0, 0, TEXT_FILL | TEXT_CENTER, "Uptime");
265 ticks_t clock = ticks_to_ms(timer_clock_unlocked());
267 /* Display uptime (in ticks) */
268 text_xprintf(&lcd_bitmap, 2, 0, TEXT_FILL | TEXT_CENTER,
269 "seconds: %lu", clock / 1000);
270 lcd_ili9225_blitBitmap(bm);
272 if (kbd_peek() & KEY_MASK)
280 static void setBacklight(unsigned level)
284 if (level > LCD_BACKLIGHT_MAX)
285 level = LCD_BACKLIGHT_MAX;
287 for (i = level; i <= LCD_BACKLIGHT_MAX; i++)
288 LCD_BACKLIGHT_LEVEL_UP();
291 static void setBrightness(Bitmap *bm)
296 text_xprintf(bm, 1, 0, TEXT_FILL | TEXT_CENTER, "Brightness: %d", lcd_brightness);
297 text_xprintf(bm, 3, 0, TEXT_FILL | TEXT_CENTER, "RIGHT key: change");
298 text_xprintf(bm, 4, 0, TEXT_FILL | TEXT_CENTER, "LEFT key: back ");
299 lcd_ili9225_blitBitmap(bm);
301 keymask_t mask = kbd_get();
305 else if (mask & K_RIGHT)
307 if (++lcd_brightness > LCD_BACKLIGHT_MAX)
309 setBacklight(lcd_brightness);
315 static void NORETURN soft_reset(Bitmap * bm)
322 text_xprintf(bm, 2, 0, TEXT_FILL | TEXT_CENTER, "%d", i);
323 lcd_ili9225_blitBitmap(bm);
326 text_xprintf(bm, 2, 0, TEXT_FILL | TEXT_CENTER, "REBOOT");
327 lcd_ili9225_blitBitmap(bm);
330 /* Perform a software reset request */
331 HWREG(NVIC_APINT) = NVIC_APINT_VECTKEY | NVIC_APINT_SYSRESETREQ;
336 static struct MenuItem main_items[] =
338 { (const_iptr_t)"LED blinking", 0, (MenuHook)led_test, (iptr_t)&lcd_bitmap },
339 { (const_iptr_t)"Graphics demo", 0, (MenuHook)robot_logo, (iptr_t)&lcd_bitmap },
340 { (const_iptr_t)"Bouncing logo", 0, (MenuHook)bouncing_logo, (iptr_t)&lcd_bitmap },
341 { (const_iptr_t)"Screen saver demo", 0, (MenuHook)screen_saver, (iptr_t)&lcd_bitmap },
342 { (const_iptr_t)"Scheduling test", 0, (MenuHook)context_switch_test, (iptr_t)&lcd_bitmap },
343 { (const_iptr_t)"Show uptime", 0, (MenuHook)uptime, (iptr_t)&lcd_bitmap },
344 { (const_iptr_t)"Display brightness", 0, (MenuHook)setBrightness, (iptr_t)&lcd_bitmap },
345 { (const_iptr_t)"Reboot", 0, (MenuHook)soft_reset, (iptr_t)&lcd_bitmap },
346 { (const_iptr_t)0, 0, NULL, (iptr_t)0 }
348 static struct Menu main_menu = { main_items, "BeRTOS", MF_STICKY | MF_SAVESEL, &lcd_bitmap, 0, lcd_ili9225_blitBitmap };
361 spi_dma_setclock(LCD_SPICLOCK);
362 lcd_ili9225_init(&spi.fd);
363 LCD_BACKLIGHT_INIT();
364 setBacklight(lcd_brightness);
366 gfx_bitmapInit(&lcd_bitmap, raster, LCD_WIDTH, LCD_HEIGHT);
367 gfx_setFont(&lcd_bitmap, &font_luBS14);
368 lcd_ili9225_blitBitmap(&lcd_bitmap);
372 hp_proc = proc_new(hp_process, NULL, PROC_STACK_SIZE, hp_stack);
373 lp_proc = proc_new(lp_process, NULL, PROC_STACK_SIZE, lp_stack);
374 led_proc = proc_new(led_process, NULL, PROC_STACK_SIZE, led_stack);
376 proc_setPri(hp_proc, 2);
377 proc_setPri(lp_proc, 1);
379 lcd_ili9225_blitBitmap24(0, 50, BMP_LOGO_WIDTH, BMP_LOGO_HEIGHT, bmp_logo);
384 menu_handle(&main_menu);