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README
Apache-2.0

CodeBrick

介绍

一种无OS的MCU实用软件管理系统,包括任务轮询框架,命令管理器、低功耗管理、环形缓冲区等实用模块。

module模块

时间轮询框架,统一管理设备所有任务模块,使用例子:

1.使用此模块前需要系统提供滴答定时器,用于驱动任务轮询作业

//定时器中断(提供系统滴答)
void timer_interrupt(void)
{
    systick_increase(SYS_TICK_INTERVAL); //增加系统节拍
}

2.任务初始化及注册(以按键扫描为例)

static void key_init(void)
{
    /*do something*/
}

static void key_scan(void)
{
    /*do something*/
}

module_init("key", key_init);            //注册按键初始化接口
task_register("key", key_scan, 20);      //注册按键任务(20ms轮询1次)

命令管理器(cli)

适用于设备间通信、在线调试、参数配置等, 使用例子(参考cli_task.c):

  1. 定义命令行管理器
static cli_obj_t cli;                               /*命令行对象 */

2.命令行初始化及接口适配

/* 
 * @brief       命令行任务初始化
 * @return      none
 */ 
static void cli_task_init(void)
{
    cli_port_t p = {tty.write, tty.read};           /*使用串口进行适配 */
    
    cli_init(&cli, &p);                             /*初始化命令行对象 */
     
    cli_enable(&cli);    
}
module_init("cli", cli_task_init);                   

3.命令行任务轮询

/* 
 * @brief       命令行任务处理
 * @return      none
 */ 
static void cli_task_process(void)
{
    cli_process(&cli);
}
                
task_register("cli", cli_task_process, 10);       /*注册命令行任务*/

comdef模块

包含常用宏定义,段定义、匿名类型等。

blink模块

具有闪烁特性(led, motor, buzzer)的设备(led, motor, buzzer)管理 使用之前有两个注意事项:

  • 需要系统提供滴答时钟,blick.c中是通过get_tick()接口获取,依赖module模块
  • 需要在任务中定时进行轮询
//主程序入口
void main(void)
{
    while (1)  {
        blink_dev_process();            //定时轮询
    }
    
}

或者通过"module"模块的任务注册来实现

task_register("blink", blink_dev_process, 50);  //50ms轮询1次

使用例子,以LED为例

blink_dev_t led;                             //定义led设备

/*
 *@brief     红色LED控制(GPIOA.8)
 *@param[in] on - 亮灭控制
 */
static void led_ctrl(int on)
{
    if (on)
        GPIOA->ODR |= (1 << 8);
    else 
        GPIOA->ODR &= ~(1 << 8);
}

/*
 *@brief     led初始化程序
 */
void led_init(void)
{
    led_io_init(void);                  //led io初始化
    blink_dev_create(&led, led_ctrl);   //创建led设备
    
    blink_dev_ctrl(&led, 50, 100, 0);   //快闪(50ms亮, 100ms灭)
}

按键管理模块

类似blink模块,使用之前有两个注意事项:

  • 需要系统提供滴答时钟,key.c中是通过get_tick()接口获取,依赖module模块
  • 需要在任务中定时进行轮询
key_t key;                             //定义按键管理器

/*
 *@brief     按键事件
 *@param[in] type     - 按键类型(KEY_PRESS, KEY_LONG_DOWN, KEY_LONG_UP)  
 *@param[in] duration - 长按持续时间
 */
void key_event(int type, unsigned int duration)
{
	if (type == KEY_PRESS) {                //短按
		 
	} else if (type == KEY_LONG_DOWN) {     //长按
		
	}
} 

//读取键值(假设按键输出口为STM32 MCU PA8)
int read_key(void)
{
	return GPIO_ReadInputDataBit(GPIOA, GPIO_Pin_8) == Bit_RESET;
}

/*
 *@brief     按键初始化
 */
void key_init(void)
{
    //打开GPIO 时钟
    RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOA, ENABLE);
	//配置成输入模式
    gpio_conf(GPIOA, GPIO_Mode_IN, GPIO_PuPd_NOPULL, GPIO_Pin_8); 
    //创建1个按键
    key_create(&key, read_key, key_event);  
}

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简介

一种无OS的MCU实用软件管理系统,包括任务轮询框架,命令管理器、低功耗管理、环形缓冲区等实用模块。。 展开 收起
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