# SurvivalBracelet

**Repository Path**: popupspace/survival-bracelet

## Basic Information

- **Project Name**: SurvivalBracelet
- **Description**: 救生手环电路设计
- **Primary Language**: Unknown
- **License**: Artistic-2.0
- **Default Branch**: master
- **Homepage**: None
- **GVP Project**: No

## Statistics

- **Stars**: 2
- **Forks**: 0
- **Created**: 2022-06-01
- **Last Updated**: 2024-04-26

## Categories & Tags

**Categories**: Uncategorized

**Tags**: None

## README

# 一、电路设计

原理图设计

<img src="IMGS/image1.bmp" style="zoom:80%;" />

电路版设计

<img src="IMGS/image2.bmp" style="zoom:80%;" />

电路板模型

<img src="IMGS/image3.jpg" style="zoom:80%;" />



# 二、代码编写

主要代码

```c
#include <reg52.h>
#include <intrins.h>

#define GPIO_LCD P0

sbit GPIO_RS = P1^0;
sbit GPIO_RW = P1^1;
sbit GPIO_E = P1^2;
sbit GPIO_BTN_LAST = P1^3;
sbit GPIO_BTN_NEXT = P1^4;
sbit GPIO_BTN_OK = P1^5;
sbit GPIO_LED_RED = P1^6;
sbit GPIO_LED_GREEN = P1^7;

...

void KeyEvent()
{
  if(GPIO_BTN_LAST == 0)
  {
    Delay_ns(1000);
    if(GPIO_BTN_LAST == 0)
    {
      index--;
      if(index < 1)
        index = 5;
      Show_Page();
    }
    while(!GPIO_BTN_LAST);
  }

  if(GPIO_BTN_NEXT == 0)
  {
    Delay_ns(1000);
    if(GPIO_BTN_NEXT == 0)
    {
      index++;
      if(index > 5)
        index = 1;
      Show_Page();
    }
    while(!GPIO_BTN_NEXT);
  }

  if(GPIO_BTN_OK == 0)
  {
    Delay_ns(1000);
    if(GPIO_BTN_OK == 0)
    {
      if(isboot == 0)
      {
        Show_Boot();
        isboot = 1;
      }
    }
    while(!GPIO_BTN_OK);
  }
}

...

void main()
{
  TMOD &= 0xF0;
  TMOD |= 0x01;
  EA = 1;
  TH0 = 0xFC;
  TL0 = 0x67;
  ET0 = 1;
  TR0 = 1;
  GPIO_LED_RED = 0;
  GPIO_LED_GREEN = 0;
  while(1)
  {
    KeyEvent();
  }
}
```

# 三、模型设计

![](IMGS/image4.jpg)

![](IMGS/image5.jpg)