v0.1.2, init

dump.md

@@ -0,0 +1,126 @@
+### bootloader启动
+1. 复位RESET引脚约18ms
+2. pc循环发送0x18 0xFF共10组
+3. mcu应答0x11共9组
+4. 检查mcu状态
+> 01 FC 0B 00 00 02 00 00 00 0A
+< 01 02 EE FF ED (加密)
+< 01 02 FF FF FE (未加密)
+5. 加密则执行解密动作（擦除FLASH上内容）
+> B5 34 84 52 BF
+< 01
+6. 准备下载ramcode
+> 00 00 00 00 20 A4 07 00 00 CB
+< 01
+7. 开始下载ramcode
+> B8 0A ... 9F
+< 01
+8. 启动ramcode
+> C0 00 00 00 00 00 00 00 00 C0
+< happybaby 00 00
+
+
+### ramcode启动
+启动后mcu端发送字符串 *happybaby*
+> 68 61 70 70 79 62 61 62 79 00 00
+
+0. 修改通信用波特率
+- 修改成9600bps (00 00 80 25)
+> 49 01 00 00 00 00 04 00 80 25 00 00 F3
+- 修改成115200bps (00 01 C2 00)
+> 49 01 00 00 00 00 04 00 00 C2 01 00 11
+- 应答
+< 49 00 00 00 00 00 00 00 49
+
+1. 请求0x20字节数据 (指定波特率)
+> 49 05 00 00 00 00 20 00 6E
+< 49 00 00 00 00 00 20 00 FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FE FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF EF 38
+
+2. 校验错误
+> 49 05 00 00 00 00 20 00 5E
+< 49 01 00 00 00 00 00 00 4A
+
+3. 请求0x10字节数据
+> 49 05 00 00 00 00 10 00 5E
+< 49 00 00 00 00 00 10 00 FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FE 48
+
+4. 请求0x0200字节数据
+> 49 05 00 00 00 00 00 02 50
+> 49 05 00 02 00 00 00 02 52
+> ...
+> 49 05 00 3C 00 00 00 02 8C
+> 49 05 00 3E 00 00 00 02 8E
+
+5. 空白检测
+> 49 07 00 00 00 00 04 00 00 40 00 00 94
+< 49 00 00 00 00 00 01 00 01 4B
+> 49 07 00 00 00 00 04 00 00 02 00 00 56
+< 49 00 0F 00 00 00 01 00 00 59
+
+6. 整片擦除
+> 49 02 00 00 00 00 00 00 4B
+
+7. 页擦除（1sector=512Bytes）
+> 49 03 00 00 00 00 00 00 4C
+< 49 00 00 00 00 00 00 00 49
+> 49 03 00 02 00 00 00 00 4E
+< 49 00 00 02 00 00 00 00 4B
+> ...
+> 49 03 00 3E 00 00 00 00 8A
+> 49 00 00 3E 00 00 00 00 87
+
+8. 编程
+> 49 04 00 00 00 00 20 00 <data> CHK
+< 49 00 00 00 00 00 00 00 49
+
+9. 校验，所有数据的累加和取最后两个字节
+> 49 06 00 00 00 00 04 00 20 00 00 00 73
+< 49 00 00 00 00 00 02 00 CF 1F 39
+> 49 06 00 00 00 00 04 00 00 40 00 00 93
+< 49 00 00 00 00 00 02 00 00 C0 0B
+
+
+#### 读取FLASH数据
+> 49 05 A0 A1 A2 A3 L0 L1 CHK
+< 49 00 A0 A1 A2 A3 L0 L1 <data> CHK
+* 49 05: 协议头
+* A3..0: 起始地址
+* L1..0: 字节长度
+* data:  FLASH数据
+
+#### 按页擦除FLASH数据
+> 49 03 A0 A1 A2 A3 00 00 CHK
+< 49 00 A0 A1 A2 A3 00 00 CHK
+* 49 03: 协议头
+* A3..0: 起始地址
+
+#### 整片擦除FLASH数据，耗时约40ms
+> 49 02 00 00 00 00 00 00 4B
+< 49 00 00 00 00 00 00 00 49
+* 49 02: 协议头
+
+
+#### 空白检测
+> 49 07 00 00 00 00 04 00 A0 A1 A2 A3 CHK
+< 49 C1 C0 00 00 00 01 00 00 CHK
+* 49 07: 协议头
+* C1..0: 检测值
+* A3..0: 字节长度
+
+#### 校验
+> 49 06 00 00 00 00 04 00 L0 L1 L2 L3 CHK
+< 49 00 00 00 00 00 02 00 S1 S0 CHK
+* 49 06: 协议头
+* S1..0: 校验和
+* L3..0: 字节长度
+
+#### 编程
+> 49 04 A0 A1 A2 A3 L0 L1 <data> CHK
+< 49 00 A0 A1 A2 A3 00 00 CHK
+* 49 04: 协议头
+* A3..0: 起始地址
+* L1..0: 字节长度，最大支持0x40字节
+
+#### 加密
+> 49 09 00 00 00 00 00 00 52
+< 49 00 00 00 00 00 00 00 49