From bfb3cb185e8cffda075207795b532f72923b982e Mon Sep 17 00:00:00 2001
From: guanjiao ren <guanjiao.ren@ninebot.com>
Date: 星期一, 21 五月 2018 16:02:58 +0800
Subject: [PATCH] 将main.c中的主程序移到dw_app.c

---
 源码/核心板/Src/OnChipDevices/Usart.c |   10 ++++++++++
 1 files changed, 10 insertions(+), 0 deletions(-)

diff --git "a/\346\272\220\347\240\201/\346\240\270\345\277\203\346\235\277/Src/OnChipDevices/Usart.c" "b/\346\272\220\347\240\201/\346\240\270\345\277\203\346\235\277/Src/OnChipDevices/Usart.c"
index d410b56..1ef8263 100644
--- "a/\346\272\220\347\240\201/\346\240\270\345\277\203\346\235\277/Src/OnChipDevices/Usart.c"
+++ "b/\346\272\220\347\240\201/\346\240\270\345\277\203\346\235\277/Src/OnChipDevices/Usart.c"
@@ -44,3 +44,13 @@
 
 }
 
+uint16_t Checksum_u16(uint8_t *pdata, uint32_t len)
+{
+    uint16_t sum = 0;
+    uint32_t i;
+    for(i = 0; i < len; i++)
+        sum += pdata[i];
+    sum = ~sum;
+    return sum;
+}
+

--
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