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BLV_MD203_Bootload/Readme.md
yeyangwen edd325479e fix:群发模式下无法升级
群发模式下错误的修改了串口1的波特率,未修改到串口2波特率,导致群发升级失败。
2026-02-27 18:04:21 +08:00

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# 开发日志
### 2026-02-27
```
修改人:叶阳文
软件版本V06
修改点:
-> 1、群发模式下修改串口2波特率错误的修改了串口1的波特率导致群发升级失败,现已修改。
```
### 2026-02-06
```C
-> 1RS485通讯引脚改为串口2RXPB05 TXPB04 RS485_DR:PB03
```
### 2025-10-16
```C
-> 1bootloader所有引脚初始化改为下拉输入
-> 24851RXPA15 TXPA14 RS485_DR:PA7
-> 3Boot区握手命令9600改为2400
```
### 2025-08-25
```C
-> 14851RX:PA15 TX:PA14
```
### 2025-05-05
```C
-> 1Boot区握手命令2400改为9600
-> 2MULIT_t m_send -
```
### 2025-04-24
```C
-> 1
MD203_Boot_V03_20250424.ihex 0x78140259
```