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>
39 #include <drv/timer.h>
41 #include <cpu/arm/drv/spi_dma_at91.h>
42 #include <drv/lcd_ili9225.h>
47 #include <icons/logo.h>
49 #include <kern/signal.h>
50 #include <kern/proc.h>
52 #include "hw/hw_spi.h"
57 #define LCD_BACKLIGHT_MAX 15
58 #define LCD_BACKLIGHT_PIN BV(13) // Port C
59 #define LCD_SPICLOCK 12000000 // Minimum cycle len = 80 ns according specs
62 #define LED_BLUE_PIN BV(23) // Port A
63 #define LED_AMBER_PIN BV(25) // Port A
64 #define LED_GREEN_PIN BV(14) // Port B
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;
94 static void led_init(void)
96 PIOA_SODR = LED_BLUE_PIN | LED_AMBER_PIN;
97 PIOA_OER = LED_BLUE_PIN | LED_AMBER_PIN;
98 PIOA_PER = LED_BLUE_PIN | LED_AMBER_PIN;
100 PIOB_SODR = LED_GREEN_PIN;
101 PIOB_OER = LED_GREEN_PIN;
102 PIOB_PER = LED_GREEN_PIN;
105 INLINE void led_on(int idx)
108 PIOA_CODR = LED_BLUE_PIN;
110 PIOB_CODR = LED_GREEN_PIN;
112 PIOA_CODR = LED_AMBER_PIN;
115 INLINE void led_off(int idx)
118 PIOA_SODR = LED_BLUE_PIN;
120 PIOB_SODR = LED_GREEN_PIN;
122 PIOA_SODR = LED_AMBER_PIN;
125 static bool led_blinking;
127 static void NORETURN led_process(void)
146 static void led_test(UNUSED_ARG(Bitmap *, bm))
148 led_blinking = !led_blinking;
149 sig_send(led_proc, SIG_USER0);
152 static void bouncing_logo(Bitmap *bm)
154 const long SPEED_SCALE = 1000;
155 const long GRAVITY_ACCEL = 100;
156 const long BOUNCE_ELASTICITY = 1;
157 long h = (long)(-bertos_logo.height) * SPEED_SCALE;
165 /* Gravity acceleration */
166 speed += GRAVITY_ACCEL;
168 if (h > 0 && speed > 0)
171 speed = -(speed / BOUNCE_ELASTICITY);
174 /* Update graphics */
177 (LCD_WIDTH - bertos_logo.width) / 2,
178 (LCD_HEIGHT - bertos_logo.height) / 2 + h / SPEED_SCALE,
180 text_xprintf(bm, 13, 0, TEXT_FILL | TEXT_CENTER, "Press any key to quit");
181 lcd_ili9225_blitBitmap(bm);
183 if (kbd_peek() & KEY_MASK)
188 static void screen_saver(Bitmap *bm)
198 x2 = LCD_WIDTH - i % LCD_WIDTH;
199 y2 = LCD_HEIGHT - i % LCD_HEIGHT;
202 gfx_rectDraw(bm, x1, y1, x2, y2);
203 lcd_ili9225_blitBitmap(bm);
204 if (kbd_peek() & KEY_MASK)
209 static void robot_logo(UNUSED_ARG(Bitmap *, bm))
211 lcd_ili9225_blitBitmap24(0, 0, BMP_THINKING_WIDTH, BMP_THINKING_HEIGHT, bmp_thinking);
213 while (!(kbd_peek() & KEY_MASK))
218 INLINE hptime_t get_hp_ticks(void)
220 return (timer_clock_unlocked() * TIMER_HW_CNT) + timer_hw_hpread();
223 static void NORETURN hp_process(void)
228 end = get_hp_ticks();
230 sig_send(lp_proc, SIG_USER0);
234 static void NORETURN lp_process(void)
238 start = get_hp_ticks();
239 sig_send(hp_proc, SIG_USER0);
244 static void res_process(void)
246 const char spinner[] = {'/', '-', '\\', '|'};
252 /* Show context switch (in clock cycles) */
253 c = spinner[i % countof(spinner)];
254 text_xprintf(&lcd_bitmap, 3, 0, TEXT_CENTER | TEXT_FILL, "%c Context switch %c", c, c);
255 text_xprintf(&lcd_bitmap, 5, 0, TEXT_FILL, " %lu clock cycles", end - start);
256 /* Show context switch (in usec) */
257 text_xprintf(&lcd_bitmap, 6, 0, TEXT_FILL,
259 ((end - start) * 1000000) / CPU_FREQ,
260 ((end - start) * (100000000 / CPU_FREQ)) % 100);
261 lcd_ili9225_blitBitmap(&lcd_bitmap);
263 if (kbd_peek() & KEY_MASK)
268 static void context_switch_test(Bitmap *bm)
270 const Font *old_font = bm->font;
271 gfx_setFont(&lcd_bitmap, &font_gohu);
274 text_xprintf(bm, 0, 0, TEXT_FILL,
275 "CPU: Cortex-M3 %luMHz", CPU_FREQ / 1000000);
276 text_xprintf(bm, 1, 0, TEXT_FILL, "Board: SAM3N-EK EVB");
280 gfx_setFont(&lcd_bitmap, old_font);
283 static void uptime(Bitmap *bm)
286 text_xprintf(bm, 0, 0, TEXT_FILL | TEXT_CENTER, "Uptime");
289 ticks_t clock = ticks_to_ms(timer_clock_unlocked());
291 /* Display uptime (in ticks) */
292 text_xprintf(&lcd_bitmap, 2, 0, TEXT_FILL | TEXT_CENTER,
293 "seconds: %lu", clock / 1000);
294 lcd_ili9225_blitBitmap(bm);
296 if (kbd_peek() & KEY_MASK)
304 static void initBacklight(void)
306 PIOC_OER = LCD_BACKLIGHT_PIN;
307 PIOC_SODR = LCD_BACKLIGHT_PIN;
308 PIOC_PER = LCD_BACKLIGHT_PIN;
311 static void setBacklight(unsigned level)
315 if (level > LCD_BACKLIGHT_MAX)
316 level = LCD_BACKLIGHT_MAX;
318 for (i = level; i <= LCD_BACKLIGHT_MAX; i++)
320 PIOC_CODR = LCD_BACKLIGHT_PIN;
321 PIOC_CODR = LCD_BACKLIGHT_PIN;
322 PIOC_CODR = LCD_BACKLIGHT_PIN;
324 PIOC_SODR = LCD_BACKLIGHT_PIN;
325 PIOC_SODR = LCD_BACKLIGHT_PIN;
326 PIOC_SODR = LCD_BACKLIGHT_PIN;
330 static void setBrightness(Bitmap *bm)
335 text_xprintf(bm, 1, 0, TEXT_FILL | TEXT_CENTER, "Brightness: %d", lcd_brightness);
336 text_xprintf(bm, 3, 0, TEXT_FILL | TEXT_CENTER, "RIGHT key: change");
337 text_xprintf(bm, 4, 0, TEXT_FILL | TEXT_CENTER, "LEFT key: back ");
338 lcd_ili9225_blitBitmap(bm);
340 keymask_t mask = kbd_get();
344 else if (mask & K_RIGHT)
346 if (++lcd_brightness > LCD_BACKLIGHT_MAX)
348 setBacklight(lcd_brightness);
354 static void NORETURN soft_reset(Bitmap * bm)
361 text_xprintf(bm, 2, 0, TEXT_FILL | TEXT_CENTER, "%d", i);
362 lcd_ili9225_blitBitmap(bm);
365 text_xprintf(bm, 2, 0, TEXT_FILL | TEXT_CENTER, "REBOOT");
366 lcd_ili9225_blitBitmap(bm);
369 /* Perform a software reset request */
370 HWREG(NVIC_APINT) = NVIC_APINT_VECTKEY | NVIC_APINT_SYSRESETREQ;
375 static struct MenuItem main_items[] =
377 { (const_iptr_t)"LED blinking", 0, (MenuHook)led_test, (iptr_t)&lcd_bitmap },
378 { (const_iptr_t)"Graphics demo", 0, (MenuHook)robot_logo, (iptr_t)&lcd_bitmap },
379 { (const_iptr_t)"Bouncing logo", 0, (MenuHook)bouncing_logo, (iptr_t)&lcd_bitmap },
380 { (const_iptr_t)"Screen saver demo", 0, (MenuHook)screen_saver, (iptr_t)&lcd_bitmap },
381 { (const_iptr_t)"Scheduling test", 0, (MenuHook)context_switch_test, (iptr_t)&lcd_bitmap },
382 { (const_iptr_t)"Show uptime", 0, (MenuHook)uptime, (iptr_t)&lcd_bitmap },
383 { (const_iptr_t)"Display brightness", 0, (MenuHook)setBrightness, (iptr_t)&lcd_bitmap },
384 { (const_iptr_t)"Reboot", 0, (MenuHook)soft_reset, (iptr_t)&lcd_bitmap },
385 { (const_iptr_t)0, 0, NULL, (iptr_t)0 }
387 static struct Menu main_menu = { main_items, "BeRTOS", MF_STICKY | MF_SAVESEL, &lcd_bitmap, 0, lcd_ili9225_blitBitmap };
400 spi_dma_setclock(LCD_SPICLOCK);
401 lcd_ili9225_init(&spi.fd);
403 setBacklight(lcd_brightness);
405 gfx_bitmapInit(&lcd_bitmap, raster, LCD_WIDTH, LCD_HEIGHT);
406 gfx_setFont(&lcd_bitmap, &font_luBS14);
407 lcd_ili9225_blitBitmap(&lcd_bitmap);
411 hp_proc = proc_new(hp_process, NULL, PROC_STACK_SIZE, hp_stack);
412 lp_proc = proc_new(lp_process, NULL, PROC_STACK_SIZE, lp_stack);
413 led_proc = proc_new(led_process, NULL, PROC_STACK_SIZE, led_stack);
415 proc_setPri(hp_proc, 2);
416 proc_setPri(lp_proc, 1);
418 lcd_ili9225_blitBitmap24(0, 50, BMP_LOGO_WIDTH, BMP_LOGO_HEIGHT, bmp_logo);
423 menu_handle(&main_menu);