<span style="color: rgb(34, 34, 38); font-family: -apple-system, " sf="" ui="" text",="" arial,="" "pingfang="" sc",="" "hiragino="" sans="" gb",="" "microsoft="" yahei",="" "wenquanyi="" micro="" hei",="" sans-serif,="" simhei,="" simsun;="" font-variant-ligatures:="" common-ligatures;"="">//串口引脚初始化</span>
<span style="color: rgb(34, 34, 38); font-family: -apple-system, " sf="" ui="" text",="" arial,="" "pingfang="" sc",="" "hiragino="" sans="" gb",="" "microsoft="" yahei",="" "wenquanyi="" micro="" hei",="" sans-serif,="" simhei,="" simsun;="" font-variant-ligatures:="" common-ligatures;"="">void Init_Usart(void)</span>
<span style="color: rgb(34, 34, 38); font-family: -apple-system, " sf="" ui="" text",="" arial,="" "pingfang="" sc",="" "hiragino="" sans="" gb",="" "microsoft="" yahei",="" "wenquanyi="" micro="" hei",="" sans-serif,="" simhei,="" simsun;="" font-variant-ligatures:="" common-ligatures;"="">{</span>
<span style="color: rgb(34, 34, 38); font-family: -apple-system, " sf="" ui="" text",="" arial,="" "pingfang="" sc",="" "hiragino="" sans="" gb",="" "microsoft="" yahei",="" "wenquanyi="" micro="" hei",="" sans-serif,="" simhei,="" simsun;="" font-variant-ligatures:="" common-ligatures;"="">GPIO_InitTypeDef GPIO_InitStructure;</span>
<span style="color: rgb(34, 34, 38); font-family: -apple-system, " sf="" ui="" text",="" arial,="" "pingfang="" sc",="" "hiragino="" sans="" gb",="" "microsoft="" yahei",="" "wenquanyi="" micro="" hei",="" sans-serif,="" simhei,="" simsun;="" font-variant-ligatures:="" common-ligatures;"="">RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA | RCC_APB2Periph_USART1,ENABLE);</span>