<div class="document"> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;"><span style="font-size:24px;"><strong>1简介</strong></span></p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;"><span style="font-size:18px;">作为一个电子爱好者，从开始学单片机就是点灯，做钟，所以家里的电子钟实在有点多，所以这次既然是做电子时钟，就在实现时钟的同时，做一块核心板，即在需要时候，随时切换在各种场合，</span></p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;"><span style="font-size:18px;">所以我采用了上下层分离：</span></p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;"><span style="font-size:18px;">上层包含LCD,和按键。</span></p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;"><span style="font-size:18px;">下层则是核心板，引出各种借口，以供需要时使用。</span></p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;"><span style="font-size:24px;"><strong>4,硬件部分</strong></span></p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;"><span style="font-size:18px;">核心板为了布线简单，采用4层板，</span></p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;"><span style="font-size:18px;">包含</span></p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;"><span style="font-size:18px;">单片机R7FA4M2AD3CFP#AA0</span></p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;"><span style="font-size:18px;">24M高速晶振，和32.768K低速晶振</span></p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;"><span style="font-size:18px;">EEPROM </span></p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;"><span style="font-size:18px;">SPIflash</span></p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;"><span style="font-size:18px;">RS3485</span></p> <div class="ellipsis"><span style="font-size:18px;">TJA1042</span></div> <div class="ellipsis"><span style="font-size:18px;">8266</span></div> <div class="ellipsis"><span style="font-size:18px;">蜂鸣器</span></div> <div class="ellipsis"><span style="font-size:18px;">用户独立按键*3</span></div> <div class="ellipsis"><span style="font-size:18px;">用户LED*3</span></div> <div class="ellipsis"><span style="font-size:18px;">串口通信指示灯*3对</span></div> <div class="ellipsis"><span style="font-size:18px;">2个触摸按键</span></div> <div class="ellipsis"><span style="font-size:18px;">等</span></div> <div class="ellipsis"><span style="font-size:18px;">同时在侧边引出了 USB，串口，spi，TF卡，PMOD，OLED，接口 ，剩余接口通过排针引出用于驱动上层LCD</span></div> <div class="ellipsis"><span style="font-size:18px;">RA及8266的复位按键和boot 放在上方，以便LCD 板在插状态，进行复位和下载程序。</span></div> <div class="ellipsis"> </div> <div class="ellipsis"><span style="font-size:18px;">板载的CH340同时需要给 RA和8266下载程序，所以 在ch340旁边，放置了排针，用于切换 下载的目标芯片。</span></div> <div class="ellipsis"><span style="font-size:18px;">在8266下载完成后，可以条线至另一侧至RA 另一个 串口进行通信。</span></div> <div class="ellipsis">在板子背面 详细的表示了 各个接口的定义，以方便使用。</div> <div class="ellipsis"> </div> <div class="ellipsis">由于我没有JLINK，采用的串口下载和调试，所以没有焊接swd的排针。</div> <div class="ellipsis"> </div> <div class="ellipsis"><span style="font-size:18px;">上层采用双层板，通过排针排母与核心板对接</span></div> <div class="ellipsis"><span style="font-size:18px;">包含LCD接口，及ADC按键。</span></div> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt pap-left-indent-1.6em" style="line-height:1.8;"> </p> <h3 class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;">*5、软件部分</h3> <hr class="horizontal-splitline normal-bold-2"> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;"><span style="font-size:18px;">开发软件分俩部分</span></p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;"><span style="font-size:18px;">RA采用官方的e2studio开发，8266采用Arduino开发。</span></p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;"> </p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;"><span style="font-size:18px;">NTP是阿里云的，天气预报是心知的免费接口。</span></p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;"><span style="font-size:18px;">每10分钟，进行对时和天气更新，所以时间误差小于1秒，且不累计。</span></p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;"><span style="font-size:18px;">天气显示包含近3天的天气和最高温度和最低温度，</span></p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;"><span style="font-size:18px;">六个天气图标，分别表示今天白天和夜间，明天白天和夜间，后天白天和夜间的天气</span></p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;"><span style="font-size:18px;">按键1可以即时强制更新，8266会立即读取网络数据，给主芯片更新。</span></p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;"><span style="font-size:18px;">关于时钟的其他功能，后续再慢慢补上。</span></p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt pap-left-indent-1.6em" style="line-height:1.8;"> </p> <h3 class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;">*6、BOM清单</h3> <hr class="horizontal-splitline normal-bold-2"> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;">详见BOM</p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;"> </p> <h3 class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;">*7、大赛LOGO验证</h3> <hr class="horizontal-splitline normal-bold-2"> <p style="line-height:1.8;"> </p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;"><img src="//image.lceda.cn/pullimage/lnp4aVfeUosSUeyEnEIGhnd50Pwq37VAXFqL8Fbn.jpeg" alt="" width="800" height="600"></p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;"> </p> <h3 class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;">* 8、演示您的项目并录制成视频上传</h3> <hr class="horizontal-splitline normal-bold-2"> <p style="line-height:1.8;"> </p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;"><img src="//image.lceda.cn/pullimage/14lNWNaoD5uZn8lCmNggEXmrQ56cB0uWKisWUj3s.jpeg" alt="" width="800" height="600"></p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;"><img src="//image.lceda.cn/pullimage/ryp4geuW0T1kaOvOzsLrKcAXOM8wB5u35gAGCtOt.jpeg" alt="" width="800" height="600"></p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;"><img src="//image.lceda.cn/pullimage/drx9NEIuY3T8ZIUNBIVl5s8nkF8awjVLPJq8owz7.jpeg" alt="" width="800" height="600"></p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;"> </p> </div>