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[/] [openrisc/] [trunk/] [rtos/] [freertos-6.1.1/] [Demo/] [OpenRISC_SIM_GCC/] [main.c] - Blame information for rev 637

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1 584 jeremybenn
 
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/*
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    FreeRTOS V6.1.1 - Copyright (C) 2011 Real Time Engineers Ltd.
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    ***************************************************************************
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    *                                                                         *
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    * If you are:                                                             *
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    *                                                                         *
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    *    + New to FreeRTOS,                                                   *
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    *    + Wanting to learn FreeRTOS or multitasking in general quickly       *
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    *    + Looking for basic training,                                        *
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    *    + Wanting to improve your FreeRTOS skills and productivity           *
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    *                                                                         *
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    * then take a look at the FreeRTOS books - available as PDF or paperback  *
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    *                                                                         *
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    *        "Using the FreeRTOS Real Time Kernel - a Practical Guide"        *
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    *                  http://www.FreeRTOS.org/Documentation                  *
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    *                                                                         *
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    * A pdf reference manual is also available.  Both are usually delivered   *
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    * to your inbox within 20 minutes to two hours when purchased between 8am *
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    * and 8pm GMT (although please allow up to 24 hours in case of            *
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    * exceptional circumstances).  Thank you for your support!                *
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    *                                                                         *
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    ***************************************************************************
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    This file is part of the FreeRTOS distribution.
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    FreeRTOS is free software; you can redistribute it and/or modify it under
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    the terms of the GNU General Public License (version 2) as published by the
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    Free Software Foundation AND MODIFIED BY the FreeRTOS exception.
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    ***NOTE*** The exception to the GPL is included to allow you to distribute
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    a combined work that includes FreeRTOS without being obliged to provide the
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    source code for proprietary components outside of the FreeRTOS kernel.
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    FreeRTOS is distributed in the hope that it will be useful, but WITHOUT
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    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
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    more details. You should have received a copy of the GNU General Public
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    License and the FreeRTOS license exception along with FreeRTOS; if not it
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    can be viewed here: http://www.freertos.org/a00114.html and also obtained
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    by writing to Richard Barry, contact details for whom are available on the
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    FreeRTOS WEB site.
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    1 tab == 4 spaces!
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    http://www.FreeRTOS.org - Documentation, latest information, license and
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    contact details.
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    http://www.SafeRTOS.com - A version that is certified for use in safety
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    critical systems.
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    http://www.OpenRTOS.com - Commercial support, development, porting,
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    licensing and training services.
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*/
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#include <stdlib.h>
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#include <string.h>
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/* Architecture specific header files. */
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#include "spr_defs.h"
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/* Scheduler header files. */
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#include "FreeRTOS.h"
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#include "task.h"
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#include "uart.h"
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#include "interrupts.h"
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#define TASK_STACK_SIZE (configMINIMAL_STACK_SIZE)
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static void prvSetupHardware(void);
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void vDemoTask(void *pvParameters);
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void vClockTask(void *pvParameters);
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void vApplicationTickHook(void);
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void vApplicationIdleHook(void);
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void vApplicationStackOverflowHook(xTaskHandle *pxTask, signed char *pcTaskName);
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int main(int argc, char **argv) {
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        argc = argc;
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        argv = argv;
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        portBASE_TYPE delay[3] = {600, 400, 200};
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        prvSetupHardware();
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        xTaskCreate(vDemoTask , (signed char *)"vTask0", TASK_STACK_SIZE, (void*)&delay[0], 1, (xTaskHandle)NULL);
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        xTaskCreate(vDemoTask , (signed char *)"vTask1", TASK_STACK_SIZE, (void*)&delay[1], 2, (xTaskHandle)NULL);
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        xTaskCreate(vDemoTask , (signed char *)"vTask2", TASK_STACK_SIZE, (void*)&delay[2], 3, (xTaskHandle)NULL);
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        xTaskCreate(vClockTask, (signed char *)"vClock", TASK_STACK_SIZE, (void*)&delay[2], 3, (xTaskHandle)NULL);
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        vTaskStartScheduler();
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        // Control will not reach here
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        return 0;
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}
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void vClockTask(void *pvParameters) {
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        pvParameters = pvParameters;
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        unsigned portBASE_TYPE ticks = xTaskGetTickCount();
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        int hour = 0;
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        int min = 0;
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        int sec = -1;
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        while(1) {
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                sec += 1;
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                if(sec == 60) {
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                        sec = 0;
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                        min += 1;
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                }
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                if(min == 60) {
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                        min = 0;
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                        hour += 1;
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                }
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                if(hour == 24) {
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                        hour = 0;
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                }
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                portENTER_CRITICAL();
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                {
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                        uart_print_int(hour);
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                        uart_print_str(" : ");
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                        uart_print_int(min);
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                        uart_print_str(" : ");
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                        uart_print_int(sec);
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                        uart_print_str(" , ");
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                        uart_print_int(ticks);
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                        uart_print_str("\n\r");
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                }
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                portEXIT_CRITICAL();
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                vTaskDelay(1000);
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                ticks = xTaskGetTickCount();
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        }
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}
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void vDemoTask(void *pvParameters) {
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        // unsigned portBASE_TYPE priority = uxTaskPriorityGet(NULL);
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        unsigned portBASE_TYPE ticks = xTaskGetTickCount();
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        portTickType delay = *((portTickType *)pvParameters);
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        while(1) {
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                portENTER_CRITICAL();
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                {
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                        uart_print_str("vTask ");
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                        uart_print_int(delay);
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                        uart_print_str(" : ");
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                        // uart_print_int(priority);
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                        // uart_print_str(" , ");
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                        uart_print_int(ticks);
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                        uart_print_str(" \n\r");
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                }
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                portEXIT_CRITICAL();
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                vTaskDelay(delay);
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                ticks = xTaskGetTickCount();
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        }
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}
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static void prvSetupHardware(void) {
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        // UART controller use 25 Mhz Wishbone bus clock, define in board.h
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        uart_init(0);
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        // Initialize internal Programmable Interrupt Controller
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        int_init();
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}
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void vApplicationTickHook(void) {
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        uart_print_str(".");
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}
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void vApplicationIdleHook(void) {
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        uart_print_str(" i ");
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}
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void vApplicationStackOverflowHook(xTaskHandle *pxTask, signed char *pcTaskName) {
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        pxTask = pxTask;
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        pcTaskName = pcTaskName;
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        uart_print_str(" S \n\r");
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}

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