177 lines
4.0 KiB
C
Executable File
177 lines
4.0 KiB
C
Executable File
/*
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* (C) Copyright 2007-2013
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* Allwinner Technology Co., Ltd. <www.allwinnertech.com>
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* Char <yanjianbo@allwinnertech.com>
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#include <common.h>
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#include <asm/arch/timer.h>
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#include <sys_config.h>
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#include <asm/arch/cpu.h>
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struct timer_list TIMER0;
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static int sprite_led_status;
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static __u32 sprite_led_hd;
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/*
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************************************************************************************************************
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*
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* function
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*
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* 函数名称：
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*
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* 参数列表：
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*
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* 返回值 ：
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*
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* 说明 ：
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*
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*
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************************************************************************************************************
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*/
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static void sprite_timer_func(void *p)
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{
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gpio_write_one_pin_value(sprite_led_hd, sprite_led_status, "sprite_gpio0");
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sprite_led_status = (~sprite_led_status) & 0x01;
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//printf("sprite_time_func\n");
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del_timer(&TIMER0);
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add_timer(&TIMER0);
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return;
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}
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/*
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************************************************************************************************************
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*
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* function
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*
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* 函数名称：
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*
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* 参数列表：
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*
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* 返回值 ：
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*
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* 说明 ：
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*
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*
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************************************************************************************************************
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*/
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int sprite_led_init(void)
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{
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user_gpio_set_t gpio_init;
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int ret;
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sprite_led_status = 1;
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printf("try sprite_led_gpio config\n");
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memset(&gpio_init, 0, sizeof(user_gpio_set_t));
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//配置输出gpio口
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ret = script_parser_fetch("card_boot", "sprite_gpio0", (void *)&gpio_init, sizeof(user_gpio_set_t)>>2);
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if(!ret)
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{
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if(gpio_init.port)
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{
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sprite_led_hd = gpio_request(&gpio_init, 1);
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if(!sprite_led_hd)
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{
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printf("reuqest gpio for led failed\n");
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return 1;
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}
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printf("sprite_led_gpio start\n");
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/*set gpio output*/
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gpio_set_one_pin_io_status(sprite_led_hd, 1, "sprite_gpio0");
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/*set 1 to gpio data*/
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gpio_write_one_pin_value(sprite_led_hd, sprite_led_status, "sprite_gpio0");
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return 0;
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}
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}
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return 0;
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}
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/*
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************************************************************************************************************
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*
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* function
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*
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* 函数名称：
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*
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* 参数列表：
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*
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* 返回值 ：
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*
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* 说明 ：
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*
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*
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************************************************************************************************************
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*/
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int sprite_led_exit(int status)
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{
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int ret;
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int delay;
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//出错的时候，led的闪烁加快
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if(status < 0)
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{
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ret = script_parser_fetch("card_boot", "sprite_err_delay", (void *)&delay, 1);
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if((ret) || (!delay))
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{
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delay = 100;
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}
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del_timer(&TIMER0);
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TIMER0.data = (unsigned long)&TIMER0;
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TIMER0.expires = delay;
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TIMER0.function = sprite_timer_func;
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//init_timer(&TIMER0);
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add_timer(&TIMER0);
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}else{
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gpio_write_one_pin_value(sprite_led_hd, 0, "sprite_gpio0");
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}
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return 0;
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}
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static inline void mdelay(unsigned long msec)
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{
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unsigned long i;
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for (i = 0; i < msec; i++)
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udelay(1000);
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}
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int sunxi_flashing_led(void)
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{
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int i;
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int delay = 200;
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for(i = 0; i < 10;i++)
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{
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gpio_write_one_pin_value(sprite_led_hd, 1, "sprite_gpio0");
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mdelay(delay);
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gpio_write_one_pin_value(sprite_led_hd, 0, "sprite_gpio0");
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mdelay(delay);
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}
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return 0;
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}
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