描述
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<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;">注：<em> 为必填项</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;"><strong><span style="color: #0093e6;">请在报名阶段填写 ↓</span></strong></p>
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<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;"></em> 1、项目功能介绍</h3>
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<p id="u5e19d4c8" class="ne-p" style="margin: 0; padding: 0; min-height: 24px;"><span class="ne-text" style="font-size: 16px;">当有按键按下时，触发中断，此时结束睡眠模式，执行按键判断，获取温湿度并启动数码管进行显示；同时启动定时器中断，循环显示两次数据后再次进入睡眠，等待下次唤醒。</span></p>
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<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;"><em>2、项目属性</h3>
<hr class="horizontal-splitline normal-bold-2" />项目首次公开
<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;"></em> 3、开源协议</h3>
<hr class="horizontal-splitline normal-bold-2" />Public Domain
<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;"><strong><span style="color: #0093e6;">请在竞赛阶段填写 ↓</span></strong></p>
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<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;"><em>4、硬件部分</h3>
<hr class="horizontal-splitline normal-bold-2" /><img src="//image.lceda.cn/oshwhub/a87dd7ba3d624d45a799e8a7bef61fca.png" alt="" width="1631" height="785" /><br />
<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;"></em>5、软件部分</h3>
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<p>部分代码如下：</p>
<p>/<em> 64Mhz时钟时，当ulCount为1，函数耗时3个时钟，延时=3</em>1/64us <em>/<br />__asm void SysCtlDelay(unsigned long ulCount)<br />{<br /> SUBS r0,#1;<br /> BNE SysCtlDelay;<br /> BX lr;<br />}</p>
<p>/</em><br /> 函数内容：数码管显示数据函数<br /> 函数参数：uint8_t row----行号<br /> uint8_t column-列号<br /> uint8_t value--显示数据<br /> 返回值：无<br />*/<br />void ShowNum(uint8_t row, uint8_t column, uint8_t value)<br />{<br /> if(row == 1)<br /> {<br /> switch(column)<br /> {<br /> case 1: //如果是第一排第一个<br /> SN74HC595_Send_Data(SN_DIG,0xFE);<br /> SN74HC595_Send_Data(SN_LED1,sgh_value[value]);//显示值对应16进制数<br /> break;<br /> case 2:<br /> SN74HC595_Send_Data(SN_DIG,0xFD);<br /> SN74HC595_Send_Data(SN_LED1,(sgh_value[value]|0x80));<br /> break;<br /> case 3:<br /> SN74HC595_Send_Data(SN_DIG,0xFB);<br /> SN74HC595_Send_Data(SN_LED1,sgh_value[value]);<br /> break;<br /> default:<br /> break;<br /> }<br /> SysCtlDelay(1000); //大致延时50us<br /> SN74HC595_Send_Data(SN_LED1,0x00); //消影，防止错位<br /> }<br /> else<br /> {<br /> switch(column)<br /> {<br /> case 1:<br /> SN74HC595_Send_Data(SN_DIG,0xF7);<br /> SN74HC595_Send_Data(SN_LED2,sgh_value[value]);<br /> break;<br /> case 2:<br /> SN74HC595_Send_Data(SN_DIG,0xEF);<br /> SN74HC595_Send_Data(SN_LED2,(sgh_value[value]|0x80));<br /> break;<br /> case 3:<br /> SN74HC595_Send_Data(SN_DIG,0xDF);<br /> SN74HC595_Send_Data(SN_LED2,sgh_value[value]);<br /> break;<br /> default:<br /> break;<br /> }<br /> SysCtlDelay(1000); //大致延时50us<br /> SN74HC595_Send_Data(SN_LED2,0x00);<br /> }<br />}</p>
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<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;"><em>6、BOM清单</h3>
<hr class="horizontal-splitline normal-bold-2" /><img src="//image.lceda.cn/oshwhub/78b90e3ce8c54287a1c36ae085f48372.png" alt="" width="1428" height="420" />
<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;"></em>7、大赛LOGO验证</h3>
<hr class="horizontal-splitline normal-bold-2" /><img src="//image.lceda.cn/oshwhub/592fc46bad9140b5965a43e6b36dea8c.png" alt="" width="544" height="200" /><br />
<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>
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<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;"><a href="/posts/de460543d4cf4dacb5f0326612455578" target="_blank" rel="noopener"><a href="https://oshwhub.com/yg_test/sensor_temhum</a></p>" target="_blank">https://oshwhub.com/yg_test/sensor_temhum</a></p></a>;
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