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
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 LM3S8962 Cortex-M3 testcase
35 * \author Andrea Righi <arighi@develer.com>
39 #include <drv/timer.h>
42 #include <drv/lcd_rit128x96.h>
47 #include <icons/logo.h>
50 #include "cfg/compiler.h"
51 #include "cfg/cfg_gfx.h"
53 #include "hw/hw_rit128x96.h"
55 #define PROC_STACK_SIZE KERN_MINSTACKSIZE * 2
60 #define ser_stack NULL
61 #define led_stack NULL
63 static PROC_DEFINE_STACK(hp_stack, PROC_STACK_SIZE);
64 static PROC_DEFINE_STACK(lp_stack, PROC_STACK_SIZE);
65 static PROC_DEFINE_STACK(ser_stack, PROC_STACK_SIZE);
66 static PROC_DEFINE_STACK(led_stack, PROC_STACK_SIZE);
69 extern Font font_gohu;
70 static uint8_t raster[RAST_SIZE(LCD_WIDTH, LCD_HEIGHT)];
71 static Bitmap lcd_bitmap;
73 #define KEY_MASK (K_UP | K_DOWN | K_LEFT | K_RIGHT | K_OK)
75 static Process *hp_proc, *lp_proc, *led_proc;
76 static hptime_t start, end;
78 static Serial ser_port;
80 static void led_init(void)
82 /* Enable the GPIO port that is used for the on-board LED */
83 SYSCTL_RCGC2_R |= SYSCTL_RCGC2_GPIOF;
85 * Perform a dummy read to insert a few cycles delay before enabling
89 /* Enable the GPIO pin for the LED */
90 GPIO_PORTF_DIR_R = 0x01;
91 GPIO_PORTF_DEN_R = 0x01;
94 INLINE void led_on(void)
96 GPIO_PORTF_DATA_R |= 0x01;
99 INLINE void led_off(void)
101 GPIO_PORTF_DATA_R &= ~0x01;
104 static bool led_blinking;
106 static void NORETURN led_process(void)
125 static void led_test(UNUSED_ARG(Bitmap *, bm))
127 led_blinking = !led_blinking;
128 sig_send(led_proc, SIG_USER0);
131 static void bouncing_logo(Bitmap *bm)
133 const long SPEED_SCALE = 1000;
134 const long GRAVITY_ACCEL = 100;
135 const long BOUNCE_ELASTICITY = 1;
136 long h = (long)(-bertos_logo.height) * SPEED_SCALE;
144 /* Gravity acceleration */
145 speed += GRAVITY_ACCEL;
147 if (h > 0 && speed > 0)
150 speed = -(speed / BOUNCE_ELASTICITY);
153 /* Update graphics */
156 (LCD_WIDTH - bertos_logo.width) / 2,
157 (LCD_HEIGHT - bertos_logo.height) / 2 + h / SPEED_SCALE,
159 text_xprintf(bm, 7, 0, TEXT_FILL | TEXT_CENTER, "Press SELECT to quit");
160 rit128x96_blitBitmap(bm);
162 if (kbd_peek() & KEY_MASK)
167 static void screen_saver(Bitmap *bm)
177 x2 = LCD_WIDTH - i % LCD_WIDTH;
178 y2 = LCD_HEIGHT - i % LCD_HEIGHT;
181 gfx_rectDraw(bm, x1, y1, x2, y2);
182 rit128x96_blitBitmap(bm);
183 if (kbd_peek() & KEY_MASK)
188 INLINE hptime_t get_hp_ticks(void)
190 return (TIMER_HW_CNT - timer_hw_hpread()) +
191 timer_clock_unlocked() * TIMER_HW_CNT;
194 static void NORETURN hp_process(void)
199 end = get_hp_ticks();
201 sig_send(lp_proc, SIG_USER0);
205 static void NORETURN lp_process(void)
209 start = get_hp_ticks();
210 sig_send(hp_proc, SIG_USER0);
215 static void res_process(void)
217 const char spinner[] = {'/', '-', '\\', '|'};
223 /* Show context switch (in clock cycles) */
224 c = spinner[i % countof(spinner)];
225 text_xprintf(&lcd_bitmap, 3, 0, TEXT_CENTER | TEXT_FILL, "%c Context switch %c", c, c);
226 text_xprintf(&lcd_bitmap, 5, 0, TEXT_FILL, " %lu clock cycles", end - start);
227 /* Show context switch (in usec) */
228 text_xprintf(&lcd_bitmap, 6, 0, TEXT_FILL,
230 ((end - start) * 1000000) / CPU_FREQ,
231 ((end - start) * (100000000 / CPU_FREQ)) % 100);
232 rit128x96_blitBitmap(&lcd_bitmap);
234 if (kbd_peek() & KEY_MASK)
239 static void context_switch_test(Bitmap *bm)
242 text_xprintf(bm, 0, 0, TEXT_FILL,
243 "CPU: Cortex-M3 %luMHz", CPU_FREQ / 1000000);
244 rit128x96_blitBitmap(bm);
245 text_xprintf(bm, 1, 0, TEXT_FILL, "Board: LM3S8962 EVB");
246 rit128x96_blitBitmap(bm);
251 static void uptime(Bitmap *bm)
253 extern const Font font_luBS14;
254 const Font *old_font;
260 gfx_setFont(bm, &font_luBS14);
261 text_xprintf(bm, 0, 0, TEXT_FILL | TEXT_CENTER, "Uptime");
264 ticks_t clock = ticks_to_ms(timer_clock_unlocked());
266 /* Display uptime (in ticks) */
267 text_xprintf(&lcd_bitmap, 2, 0, TEXT_FILL | TEXT_CENTER,
268 "%lu", clock / 1000);
269 rit128x96_blitBitmap(bm);
271 if (kbd_peek() & KEY_MASK)
274 gfx_setFont(bm, old_font);
277 static void NORETURN soft_reset(Bitmap * bm)
279 extern const Font font_luBS14;
284 gfx_setFont(bm, &font_luBS14);
287 text_xprintf(bm, 2, 0, TEXT_FILL | TEXT_CENTER, "%d", i);
288 rit128x96_blitBitmap(bm);
291 text_xprintf(bm, 2, 0, TEXT_FILL | TEXT_CENTER, "REBOOT");
292 rit128x96_blitBitmap(bm);
295 /* Perform a software reset request */
296 HWREG(NVIC_APINT) = NVIC_APINT_VECTKEY | NVIC_APINT_SYSRESETREQ;
300 static void NORETURN ser_process(void)
305 ser_init(&ser_port, SER_UART0);
306 ser_setbaudrate(&ser_port, 115200);
308 /* BeRTOS terminal */
311 kfile_printf(&ser_port.fd, "\n\r[%03d] BeRTOS:~$ ", i);
312 kfile_gets_echo(&ser_port.fd, buf, sizeof(buf), true);
313 kfile_printf(&ser_port.fd, "%s", buf);
317 static struct MenuItem main_items[] =
319 { (const_iptr_t)"LED blinking", 0, (MenuHook)led_test, (iptr_t)&lcd_bitmap },
320 { (const_iptr_t)"Bouncing logo", 0, (MenuHook)bouncing_logo, (iptr_t)&lcd_bitmap },
321 { (const_iptr_t)"Screen saver demo", 0, (MenuHook)screen_saver, (iptr_t)&lcd_bitmap },
322 { (const_iptr_t)"Scheduling test", 0, (MenuHook)context_switch_test, (iptr_t)&lcd_bitmap },
323 { (const_iptr_t)"Show uptime", 0, (MenuHook)uptime, (iptr_t)&lcd_bitmap },
324 { (const_iptr_t)"Reboot", 0, (MenuHook)soft_reset, (iptr_t)&lcd_bitmap },
325 { (const_iptr_t)0, 0, NULL, (iptr_t)0 }
327 static struct Menu main_menu = { main_items, "BeRTOS", MF_STICKY | MF_SAVESEL, &lcd_bitmap, 0, rit128x96_blitBitmap };
337 kputs("Init Timer..");
340 kputs("Init Process..");
344 kputs("Init OLED display..");
346 gfx_bitmapInit(&lcd_bitmap, raster, LCD_WIDTH, LCD_HEIGHT);
347 gfx_setFont(&lcd_bitmap, &font_gohu);
348 rit128x96_blitBitmap(&lcd_bitmap);
350 kputs("Init Keypad..");
353 hp_proc = proc_new(hp_process, NULL, PROC_STACK_SIZE, hp_stack);
354 lp_proc = proc_new(lp_process, NULL, PROC_STACK_SIZE, lp_stack);
355 led_proc = proc_new(led_process, NULL, PROC_STACK_SIZE, led_stack);
356 /* Open a dummy echo terminal on UART0 */
357 proc_new(ser_process, NULL, PROC_STACK_SIZE, ser_stack);
359 proc_setPri(hp_proc, 2);
360 proc_setPri(lp_proc, 1);
363 menu_handle(&main_menu);