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>
39 #include <drv/timer.h>
42 static void led_init(void)
44 /* Enable the GPIO port that is used for the on-board LED */
45 SYSCTL_RCGC2_R = SYSCTL_RCGC2_GPIOG;
47 * Perform a dummy read to insert a few cycles delay before enabling
51 /* Enable the GPIO pin for the LED */
52 GPIO_PORTG_DIR_R = 0x04;
53 GPIO_PORTG_DEN_R = 0x04;
56 static void led_on(void)
58 GPIO_PORTG_DATA_R |= 0x04;
61 static void led_off(void)
63 GPIO_PORTG_DATA_R &= ~0x04;
66 static NORETURN void spinner_thread(void)
68 char spinner[] = {'/', '-', '\\', '|'};
74 kprintf("BeRTOS is up & running: %c\r",
75 spinner[i % countof(spinner)]);
88 proc_new(spinner_thread, NULL, KERN_MINSTACKSIZE, NULL);