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 LM3S1968 Cortex-M3 testcase
35 * \author Andrea Righi <arighi@develer.com>
38 #include "hw/hw_rit128x96.h"
40 #include "cfg/compiler.h"
41 #include "cfg/cfg_gfx.h"
45 #include <drv/timer.h>
48 #include <drv/lcd_rit128x96.h>
56 #include <icons/logo.h>
62 #define PROC_STACK_SIZE KERN_MINSTACKSIZE * 2
67 #define ser_stack NULL
68 #define led_stack NULL
70 static PROC_DEFINE_STACK(hp_stack, PROC_STACK_SIZE);
71 static PROC_DEFINE_STACK(lp_stack, PROC_STACK_SIZE);
72 static PROC_DEFINE_STACK(ser_stack, PROC_STACK_SIZE);
73 static PROC_DEFINE_STACK(led_stack, PROC_STACK_SIZE);
76 extern Font font_gohu;
77 static uint8_t raster[RAST_SIZE(LCD_WIDTH, LCD_HEIGHT)];
78 static Bitmap lcd_bitmap;
80 #define KEY_MASK (K_UP | K_DOWN | K_LEFT | K_RIGHT | K_OK)
82 static Process *hp_proc, *lp_proc, *led_proc;
83 static hptime_t start, end;
85 static Serial ser_port;
87 static void led_init(void)
89 /* Enable the GPIO port that is used for the on-board LED */
90 SYSCTL_RCGC2_R = SYSCTL_RCGC2_GPIOG;
92 * Perform a dummy read to insert a few cycles delay before enabling
96 /* Enable the GPIO pin for the LED */
97 GPIO_PORTG_DIR_R = 0x04;
98 GPIO_PORTG_DEN_R = 0x04;
101 INLINE void led_on(void)
103 GPIO_PORTG_DATA_R |= 0x04;
106 INLINE void led_off(void)
108 GPIO_PORTG_DATA_R &= ~0x04;
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, 7, 0, TEXT_FILL | TEXT_CENTER, "Press SELECT to quit");
167 rit128x96_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 rit128x96_blitBitmap(bm);
190 if (kbd_peek() & KEY_MASK)
195 INLINE hptime_t get_hp_ticks(void)
197 return (TIMER_HW_CNT - timer_hw_hpread()) +
198 timer_clock_unlocked() * TIMER_HW_CNT;
201 static void NORETURN hp_process(void)
206 end = get_hp_ticks();
208 sig_send(lp_proc, SIG_USER0);
212 static void NORETURN lp_process(void)
216 start = get_hp_ticks();
217 sig_send(hp_proc, SIG_USER0);
222 static void res_process(void)
224 const char spinner[] = {'/', '-', '\\', '|'};
230 /* Show context switch (in clock cycles) */
231 c = spinner[i % countof(spinner)];
232 text_xprintf(&lcd_bitmap, 3, 0, TEXT_CENTER | TEXT_FILL, "%c Context switch %c", c, c);
233 text_xprintf(&lcd_bitmap, 5, 0, TEXT_FILL, " %lu clock cycles", end - start);
234 /* Show context switch (in usec) */
235 text_xprintf(&lcd_bitmap, 6, 0, TEXT_FILL,
237 ((end - start) * 1000000) / CPU_FREQ,
238 ((end - start) * (100000000 / CPU_FREQ)) % 100);
239 rit128x96_blitBitmap(&lcd_bitmap);
241 if (kbd_peek() & KEY_MASK)
246 static void context_switch_test(Bitmap *bm)
249 text_xprintf(bm, 0, 0, TEXT_FILL,
250 "CPU: Cortex-M3 %luMHz", CPU_FREQ / 1000000);
251 rit128x96_blitBitmap(bm);
252 text_xprintf(bm, 1, 0, TEXT_FILL, "Board: LM3S1968 EVB");
253 rit128x96_blitBitmap(bm);
258 static void uptime(Bitmap *bm)
260 extern const Font font_luBS14;
261 const Font *old_font;
267 gfx_setFont(bm, &font_luBS14);
268 text_xprintf(bm, 0, 0, TEXT_FILL | TEXT_CENTER, "Uptime");
271 ticks_t clock = ticks_to_ms(timer_clock_unlocked());
273 /* Display uptime (in ticks) */
274 text_xprintf(&lcd_bitmap, 2, 0, TEXT_FILL | TEXT_CENTER,
275 "%lu", clock / 1000);
276 rit128x96_blitBitmap(bm);
278 if (kbd_peek() & KEY_MASK)
281 gfx_setFont(bm, old_font);
284 static void NORETURN soft_reset(Bitmap * bm)
286 extern const Font font_luBS14;
291 gfx_setFont(bm, &font_luBS14);
294 text_xprintf(bm, 2, 0, TEXT_FILL | TEXT_CENTER, "%d", i);
295 rit128x96_blitBitmap(bm);
298 text_xprintf(bm, 2, 0, TEXT_FILL | TEXT_CENTER, "REBOOT");
299 rit128x96_blitBitmap(bm);
302 /* Perform a software reset request */
303 HWREG(NVIC_APINT) = NVIC_APINT_VECTKEY | NVIC_APINT_SYSRESETREQ;
307 static void NORETURN ser_process(void)
312 ser_init(&ser_port, SER_UART0);
313 ser_setbaudrate(&ser_port, 115200);
315 /* BeRTOS terminal */
318 kfile_printf(&ser_port.fd, "\n\r[%03d] BeRTOS:~$ ", i);
319 kfile_gets_echo(&ser_port.fd, buf, sizeof(buf), true);
320 kfile_printf(&ser_port.fd, "%s", buf);
324 static struct MenuItem main_items[] =
326 { (const_iptr_t)"LED blinking", 0, (MenuHook)led_test, (iptr_t)&lcd_bitmap },
327 { (const_iptr_t)"Bouncing logo", 0, (MenuHook)bouncing_logo, (iptr_t)&lcd_bitmap },
328 { (const_iptr_t)"Screen saver demo", 0, (MenuHook)screen_saver, (iptr_t)&lcd_bitmap },
329 { (const_iptr_t)"Scheduling test", 0, (MenuHook)context_switch_test, (iptr_t)&lcd_bitmap },
330 { (const_iptr_t)"Show uptime", 0, (MenuHook)uptime, (iptr_t)&lcd_bitmap },
331 { (const_iptr_t)"Reboot", 0, (MenuHook)soft_reset, (iptr_t)&lcd_bitmap },
332 { (const_iptr_t)0, 0, NULL, (iptr_t)0, }
335 static struct Menu main_menu = { main_items, "BeRTOS", MF_STICKY | MF_SAVESEL, &lcd_bitmap, 0, rit128x96_blitBitmap };
345 kputs("Init Timer..");
348 kputs("Init Process..");
351 kputs("Init OLED display..");
353 gfx_bitmapInit(&lcd_bitmap, raster, LCD_WIDTH, LCD_HEIGHT);
354 gfx_setFont(&lcd_bitmap, &font_gohu);
355 rit128x96_blitBitmap(&lcd_bitmap);
357 kputs("Init Keypad..");
361 hp_proc = proc_new(hp_process, NULL, PROC_STACK_SIZE, hp_stack);
362 lp_proc = proc_new(lp_process, NULL, PROC_STACK_SIZE, lp_stack);
363 led_proc = proc_new(led_process, NULL, PROC_STACK_SIZE, led_stack);
364 /* Open a dummy echo terminal on UART0 */
365 proc_new(ser_process, NULL, PROC_STACK_SIZE, ser_stack);
367 proc_setPri(hp_proc, 2);
368 proc_setPri(lp_proc, 1);
372 menu_handle(&main_menu);