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
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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 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_adc.h"
43 #include "hw/hw_sdram.h"
45 #include <cfg/debug.h>
49 #include <struct/heap.h>
51 #include <drv/timer.h>
53 #include <drv/lcd_hx8347.h>
60 #include <icons/logo.h>
64 #include <kern/signal.h>
65 #include <kern/proc.h>
69 #define KEY_MASK (K_LEFT | K_RIGHT)
72 #define PROC_STACK_SIZE KERN_MINSTACKSIZE * 2
77 #define led_stack NULL
79 static PROC_DEFINE_STACK(hp_stack, PROC_STACK_SIZE);
80 static PROC_DEFINE_STACK(lp_stack, PROC_STACK_SIZE);
81 static PROC_DEFINE_STACK(led_stack, PROC_STACK_SIZE);
84 static struct Heap heap;
85 static uint8_t raster[RAST_SIZE(LCD_WIDTH, LCD_HEIGHT)];
86 static Bitmap *lcd_bitmap;
87 extern Font font_gohu;
88 static int lcd_brightness = LCD_BACKLIGHT_MAX;
89 static Process *hp_proc, *lp_proc, *led_proc;
90 static hptime_t start, end;
93 static bool led_blinking;
95 static void NORETURN led_process(void)
114 static void led_test(UNUSED_ARG(Bitmap *, bm))
116 led_blinking = !led_blinking;
117 sig_send(led_proc, SIG_USER0);
120 static void bouncing_logo(Bitmap *bm)
122 const long SPEED_SCALE = 1000;
123 const long GRAVITY_ACCEL = 100;
124 const long BOUNCE_ELASTICITY = 1;
125 long h = (long)(-bertos_logo.height) * SPEED_SCALE;
133 /* Gravity acceleration */
134 speed += GRAVITY_ACCEL;
136 if (h > 0 && speed > 0)
139 speed = -(speed / BOUNCE_ELASTICITY);
142 /* Update graphics */
145 (LCD_WIDTH - bertos_logo.width) / 2,
146 (LCD_HEIGHT - bertos_logo.height) / 2 + h / SPEED_SCALE,
148 text_xprintf(bm, 13, 0, TEXT_FILL | TEXT_CENTER, "Press any key to quit");
149 lcd_hx8347_blitBitmap(bm);
151 if (kbd_peek() & KEY_MASK)
156 static void screen_saver(Bitmap *bm)
166 x2 = LCD_WIDTH - i % LCD_WIDTH;
167 y2 = LCD_HEIGHT - i % LCD_HEIGHT;
170 gfx_rectDraw(bm, x1, y1, x2, y2);
171 lcd_hx8347_blitBitmap(bm);
172 if (kbd_peek() & KEY_MASK)
177 static void show_logo(UNUSED_ARG(Bitmap *, bm))
179 lcd_hx8347_blitBitmap24(10, 52, BMP_LOGO_WIDTH, BMP_LOGO_HEIGHT, bmp_logo);
181 while (!(kbd_peek() & KEY_MASK))
186 INLINE hptime_t get_hp_ticks(void)
188 return (timer_clock_unlocked() * TIMER_HW_CNT) + timer_hw_hpread();
191 static void NORETURN hp_process(void)
196 end = get_hp_ticks();
198 sig_send(lp_proc, SIG_USER0);
202 static void NORETURN lp_process(void)
206 start = get_hp_ticks();
207 sig_send(hp_proc, SIG_USER0);
212 static void res_process(void)
214 const char spinner[] = {'/', '-', '\\', '|'};
220 /* Show context switch (in clock cycles) */
221 c = spinner[i % countof(spinner)];
222 text_xprintf(lcd_bitmap, 3, 0, TEXT_CENTER | TEXT_FILL, "%c Context switch %c", c, c);
223 text_xprintf(lcd_bitmap, 5, 0, TEXT_FILL, " %lu clock cycles", end - start);
224 /* Show context switch (in usec) */
225 text_xprintf(lcd_bitmap, 6, 0, TEXT_FILL,
227 ((end - start) * 1000000) / CPU_FREQ,
228 ((end - start) * (100000000 / CPU_FREQ)) % 100);
229 text_xprintf(lcd_bitmap, 8, 0, TEXT_FILL,
230 " Free heap memory: %u bytes", heap_freeSpace(&heap));
231 lcd_hx8347_blitBitmap(lcd_bitmap);
233 if (kbd_peek() & KEY_MASK)
238 static void context_switch_test(Bitmap *bm)
240 const Font *old_font = bm->font;
241 gfx_setFont(lcd_bitmap, &font_gohu);
244 text_xprintf(bm, 0, 0, TEXT_FILL,
245 "CPU: Cortex-M3 %luMHz", CPU_FREQ / 1000000);
246 text_xprintf(bm, 1, 0, TEXT_FILL, "Board: SAM3X-EK EVB");
250 gfx_setFont(lcd_bitmap, old_font);
253 static void uptime(Bitmap *bm)
256 text_xprintf(bm, 0, 0, TEXT_FILL | TEXT_CENTER, "Uptime");
259 ticks_t clock = ticks_to_ms(timer_clock_unlocked());
261 /* Display uptime (in ticks) */
262 text_xprintf(lcd_bitmap, 2, 0, TEXT_FILL | TEXT_CENTER,
263 "seconds: %lu", clock / 1000);
264 lcd_hx8347_blitBitmap(bm);
266 if (kbd_peek() & KEY_MASK)
274 static void setBrightness(Bitmap *bm)
279 text_xprintf(bm, 1, 0, TEXT_FILL | TEXT_CENTER, "Brightness: %d", lcd_brightness);
280 text_xprintf(bm, 3, 0, TEXT_FILL | TEXT_CENTER, "RIGHT key: change");
281 text_xprintf(bm, 4, 0, TEXT_FILL | TEXT_CENTER, "LEFT key: back ");
282 lcd_hx8347_blitBitmap(bm);
284 keymask_t mask = kbd_get();
288 else if (mask & K_RIGHT)
290 if (++lcd_brightness > LCD_BACKLIGHT_MAX)
292 lcd_setBacklight(lcd_brightness);
298 static void NORETURN soft_reset(Bitmap * bm)
305 text_xprintf(bm, 2, 0, TEXT_FILL | TEXT_CENTER, "%d", i);
306 lcd_hx8347_blitBitmap(bm);
309 text_xprintf(bm, 2, 0, TEXT_FILL | TEXT_CENTER, "REBOOT");
310 lcd_hx8347_blitBitmap(bm);
313 /* Perform a software reset request */
314 HWREG(NVIC_APINT) = NVIC_APINT_VECTKEY | NVIC_APINT_SYSRESETREQ;
318 static void read_adc(Bitmap *bm)
321 text_xprintf(bm, 0, 0, TEXT_FILL | TEXT_CENTER, "ADC Value");
324 uint16_t value = ADC_RANGECONV(adc_read(1), 0, 3300);
325 uint16_t temp = hw_convertToDegree (adc_read(ADC_TEMPERATURE_CH));
327 text_xprintf(lcd_bitmap, 2, 0, TEXT_FILL | TEXT_CENTER,
328 "Voltage on VR1: %d.%dV", value / 1000, value % 1000);
329 text_xprintf(lcd_bitmap, 3, 0, TEXT_FILL | TEXT_CENTER,
330 "CPU temperature: %d.%dC", temp / 10, temp % 10);
331 lcd_hx8347_blitBitmap(bm);
333 if (kbd_peek() & KEY_MASK)
339 static struct MenuItem main_items[] =
341 { (const_iptr_t)"LED blinking", 0, (MenuHook)led_test, NULL },
342 { (const_iptr_t)"Graphics demo", 0, (MenuHook)show_logo, NULL },
343 { (const_iptr_t)"Bouncing logo", 0, (MenuHook)bouncing_logo, NULL },
344 { (const_iptr_t)"Screen saver demo", 0, (MenuHook)screen_saver, NULL },
345 { (const_iptr_t)"Scheduling test", 0, (MenuHook)context_switch_test, NULL },
346 { (const_iptr_t)"Show uptime", 0, (MenuHook)uptime, NULL },
347 { (const_iptr_t)"Display brightness", 0, (MenuHook)setBrightness, NULL },
348 { (const_iptr_t)"ADC demo", 0, (MenuHook)read_adc, NULL },
349 { (const_iptr_t)"Reboot", 0, (MenuHook)soft_reset, NULL },
350 { (const_iptr_t)0, 0, NULL, (iptr_t)0 }
352 static struct Menu main_menu = { main_items, "BeRTOS", MF_STICKY | MF_SAVESEL, NULL, 0, lcd_hx8347_blitBitmap };
367 /* Enable the adc to read internal temperature sensor */
370 heap_init(&heap, (void *)SDRAM_BASE, SDRAM_SIZE);
371 lcd_bitmap = heap_allocmem(&heap, RAST_SIZE(LCD_WIDTH, LCD_HEIGHT));
373 kprintf("Allocated memory for display raster, addr 0x%x\n", (unsigned)lcd_bitmap);
376 kprintf("Error allocating memory for LCD raster!\n");
379 for (i = 0; main_items[i].label; i++)
380 main_items[i].userdata = lcd_bitmap;
381 main_menu.bitmap = lcd_bitmap;
384 lcd_setBacklight(lcd_brightness);
386 gfx_bitmapInit(lcd_bitmap, raster, LCD_WIDTH, LCD_HEIGHT);
387 gfx_setFont(lcd_bitmap, &font_luBS14);
388 lcd_hx8347_blitBitmap(lcd_bitmap);
392 hp_proc = proc_new(hp_process, NULL, PROC_STACK_SIZE, hp_stack);
393 lp_proc = proc_new(lp_process, NULL, PROC_STACK_SIZE, lp_stack);
394 led_proc = proc_new(led_process, NULL, PROC_STACK_SIZE, led_stack);
396 proc_setPri(hp_proc, 2);
397 proc_setPri(lp_proc, 1);
399 lcd_hx8347_blitBitmap24(10, 52, BMP_LOGO_WIDTH, BMP_LOGO_HEIGHT, bmp_logo);
404 menu_handle(&main_menu);