From: AceVest <zhaoyanbai@126.com>
Date: Mon, 17 Jun 2019 05:26:17 +0000 (+0800)
Subject: ...
X-Git-Url: http://zhaoyanbai.com/repos/?a=commitdiff_plain;h=51b065f7dd59b51b5bbb9fbec418f408c0c39689;p=acecode.git

...
---

diff --git a/learn/stm32/USART.md b/learn/stm32/USART.md
index 12076be..52a8bd8 100644
--- a/learn/stm32/USART.md
+++ b/learn/stm32/USART.md
@@ -99,4 +99,14 @@ void HAL_UART_RxCpltCallback(UART_HandleTypeDef *huart) {
 		return ReceiveUsartData(&usart2_data, huart);
 	}
 }
+```
+
+```
+  // main.c
+  InitUsartTransfer();
+
+  while (1)
+  {
+	  TransferUsartData();
+  }
 ```
\ No newline at end of file