代码拉取完成,页面将自动刷新
#include <stdio.h>
#include <stdlib.h>
#include <aos/kernel.h>
#include <k_api.h>
#include "aos/init.h"
#include "board.h"
#include "ulog/ulog.h"
#include "aos/hal/gpio.h"
#include "aos/cli.h"
#define RED_LED 0 // PA14
#define GRE_LED 1 // PA15
#define MODULE_NAME "timer_app" /* module name used by ulog */
static aos_timer_t timer1; /* timer handle */
static gpio_dev_t led_gpio_dev[2] = {0};
static int timer1_default = 1000;
int led_init(void)
{
//由于PA14时rtl8710的jtag接口,我要使用GPIO功能,必须先关闭jtag借口
sys_jtag_off();
led_gpio_dev[0].port = RED_LED;
led_gpio_dev[0].config = OUTPUT_PUSH_PULL;
led_gpio_dev[0].priv = NULL;
//gpio PA14初始化
hal_gpio_init(&led_gpio_dev[0]);
led_gpio_dev[1].port = GRE_LED;
led_gpio_dev[1].config = OUTPUT_PUSH_PULL;
led_gpio_dev[1].priv = NULL;
//gpio PA14初始化
hal_gpio_init(&led_gpio_dev[1]);
return 0;
}
/**
* timer callback function.
* The current use case is executed every 1300ms.
*/
static void timer1_func(void *timer, void *arg)
{
/*
* Warning: an interface that causes a block is not allowed to be called within this function.
* Blocking within this function will cause other timers to run incorrectly.
* The printf function may also block on some platforms, so be careful how you call it.
*/
LOGI(MODULE_NAME, "[timer_new]timer expires!");
}
static void timer_help_show(void)
{
printf("Usage: timer [OPTIONS] COMMAND\r\n");
printf("\r\n");
printf("Options:\r\n");
printf("help : show timer help\r\n");
printf("\r\n");
printf("Command:\r\n");
printf("start : start the timer\r\n");
printf("stop : stop the timer\r\n");
printf("change : change the timer's time\r\n");
}
static void timer_time_change(int nms)
{
/* stop the timer before modifying the timer parameter */
aos_timer_stop(&timer1);
/* the timer cycle is modified to nms */
aos_timer_change(&timer1, nms);
/* start the timer after the timer parameter modification is complete */
aos_timer_start(&timer1);
}
static void timer_cmd(char *buf, int32_t len, int32_t argc, char **argv)
{
int nsecs = 0;
if(argc == 2 || argc == 3)
{
if(strcmp(argv[0], "timer"))
{
printf("cmd is error \r\n");
printf("plese retry\r\n");
return ;
}
if(strcmp(argv[1], "help") == 0)
{
timer_help_show();
}
else if(strcmp(argv[1], "start") == 0)
{
//timer start
printf("timer is start!\r\n");
aos_timer_start(&timer1);
}
else if(strcmp(argv[1], "stop") == 0)
{
//led off
printf("timer is stop!\r\n");
aos_timer_stop(&timer1);
}
else if(strcmp(argv[1], "change") == 0)
{
//timer change
if(argv[2] != NULL)
{
nsecs = atoi(argv[2]);
}
else
{
nsecs = timer1_default;
}
if(nsecs < 1)
{
nsecs = timer1_default;
}
printf("timer is change!nsecs=%d\r\n", nsecs);
timer_time_change(nsecs);
}
else
{
printf("timer options error\r\n");
printf("plese retry");
return;
}
}
else
{
printf("input argument error!plese retry!\r\n");
timer_help_show();
}
}
void cmd_init(void)
{
int ret;
static struct cli_command cmds[] = {
{"timer","timer help", timer_cmd},
};
ret = aos_cli_register_commands(cmds, sizeof(cmds)/sizeof(cmds[0]));
if(ret != 0)
{
printf("cli register error!\r\n");
}
}
int application_start(int argc, char *argv[])
{
int ret = 0;
int index = 0;
led_init();
aos_set_log_level(AOS_LL_INFO);
aos_cli_init();
cmd_init();
/**
* Create timer. Timer starts automatically after successful creation.
* some of the parameters are as follows:
* fn: timer1_func (this function is called when the timer expires)
* ms: 1500 (the cycle of the timer)
* repeat: 1 (set to periodic timer)
*/
ret = aos_timer_new(&timer1, timer1_func, NULL, timer1_default, 1);
if (ret != 0)
{
LOGE(MODULE_NAME, "create timer error!");
return;
}
while(1)
{
aos_msleep(1000);
hal_gpio_output_toggle(&led_gpio_dev[1]);
}
}
此处可能存在不合适展示的内容,页面不予展示。您可通过相关编辑功能自查并修改。
如您确认内容无涉及 不当用语 / 纯广告导流 / 暴力 / 低俗色情 / 侵权 / 盗版 / 虚假 / 无价值内容或违法国家有关法律法规的内容,可点击提交进行申诉,我们将尽快为您处理。