--- /dev/null
+/**
+ * \file
+ * <!--
+ * This file is part of BeRTOS.
+ *
+ * Bertos is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ * As a special exception, you may use this file as part of a free software
+ * library without restriction. Specifically, if other files instantiate
+ * templates or use macros or inline functions from this file, or you compile
+ * this file and link it with other files to produce an executable, this
+ * file does not by itself cause the resulting executable to be covered by
+ * the GNU General Public License. This exception does not however
+ * invalidate any other reasons why the executable file might be covered by
+ * the GNU General Public License.
+ *
+ * Copyright 2010 Develer S.r.l. (http://www.develer.com/)
+ *
+ * -->
+ *
+ * \author Andrea Righi <arighi@develer.com>
+ *
+ * \brief Kernel project.
+ *
+ * This is a minimalist kernel project: it just initializes the hardware and
+ * creates an independent process to blink an LED, while the main loop
+ * continues to monitor the stack utilization of all the processes.
+ */
+
+#include "hw/hw_led.h"
+
+#include <cfg/debug.h>
+
+#include <cpu/irq.h>
+
+#include <drv/timer.h>
+#include <drv/ser.h>
+
+#include <kern/proc.h>
+#include <kern/monitor.h>
+
+static Serial out;
+
+static void init(void)
+{
+ /* Enable all the interrupts */
+ IRQ_ENABLE;
+
+ /* Initialize debugging module (allow kprintf(), etc.) */
+ kdbg_init();
+ /* Initialize system timer */
+ timer_init();
+ /* Initialize UART0 */
+ ser_init(&out, SER_UART0);
+ /* Configure UART0 to work at 115.200 bps */
+ ser_setbaudrate(&out, 115200);
+ /* Initialize LED driver */
+ LED_INIT();
+
+ /*
+ * Kernel initialization: processes (allow to create and dispatch
+ * processes using proc_new()).
+ */
+ proc_init();
+}
+
+static void NORETURN led_process(void)
+{
+ int i;
+
+ /* Periodically blink the led (toggle each 100 ms) */
+ for (i = 0; ; i = !i)
+ {
+ if (i)
+ {
+ LED_ON();
+ }
+ else
+ {
+ LED_OFF();
+ }
+ timer_delay(100);
+ }
+}
+
+int main(void)
+{
+ /* Hardware initialization */
+ init();
+
+ /* Create a new child process */
+ proc_new(led_process, NULL, KERN_MINSTACKSIZE * 2, NULL);
+
+ /*
+ * The main process is kept to periodically report the stack
+ * utilization of all the processes (1 probe per second).
+ */
+ while (1)
+ {
+ monitor_report();
+ timer_delay(1000);
+ }
+}