PELCO-D/PELCO-P协议 PELCO-D: 数据格式:1位起始位、8位数据、1位停止位,无效验位。波特率:2400B/S 命令格式: 字节1 | 字节2 | 字节3 | 字节4 | 字节5 | 字节6 | 字节7 | 同步字节 | 地址码 | 指令码1 | 指令码2 | 数据码1 | 数据码2 | 校验码 |
1. 该协议中所有数值都为十六进制数 2. 同步字节始终为FFH 3. 地址码为摄像机的逻辑地址号,地址范围:00H–FFH 4. 指令码表示不同的动作 5. 数据码1、2分别表示水平、垂直方向速度(00-3FH),FFH表示“turbo”速度 6. 校验码 = MOD[(字节2 + 字节3 + 字节4 + 字节5 + 字节6)/100H] 以地址码0x01为例: {0xff,0x01,0x00,0x08,0x00,0xff,0x08,}//上 {0xff,0x01,0x00,0x10,0x00,0xff,0x10,}//下 {0xff,0x01,0x00,0x04,0xff,0x00,0x04,}//左 {0xff,0x01,0x00,0x02,0xff,0x00,0x02,}//右 {0xff,0x01,0x00,0x20,0x00,0x00,0x21,}//变倍短 {0xff,0x01,0x00,0x40,0x00,0x00,0x41,}//变倍长 {0xff,0x01,0x00,0x80,0x00,0x00,0x81,}//聚焦近 {0xff,0x01,0x01,0x00,0x00,0x00,0x02,}//聚焦远 {0xff,0x01,0x02,0x00,0x00,0x00,0x03,}//光圈小 {0xff,0x01,0x04,0x00,0x00,0x00,0x05,}//光圈大 {0xff,0x01,0x00,0x0b,0x00,0x01,0x0d,}//灯光关 {0xff,0x01,0x00,0x09,0x00,0x01,0x0b,}//灯光开 {0xff,0x01,0x00,0x07,0x00,0x01,0x09,}//转至预置点001 {0xff,0x01,0x00,0x03,0x00,0x01,0x05,}//设置预置点001 {0xff,0x01,0x00,0x05,0x00,0x01,0x07,}//删除预置点001 以上对应的停命令均是: {0xff,0x01,0x00,0x00,0x00,0x00,0x01,}//停命令 PELCO-P:
数据格式:1位起始位、8位数据、1位停止位,无效验位。波特率:9600B/S 命令格式: 字节1 | 字节2 | 字节3 | 字节4 | 字节5 | 字节6 | 字节7 | 字节8 | STX | 地址码 | 指令码1 | 指令码2 | 数据码1 | 数据码2 | ETX | 校验码 |
1. 该协议中所有数值都为十六进制数 2. STX始终为A0H 3. 地址码为摄像机的逻辑地址号,地址范围:00H–1FH 4. 指令码表示不同的动作 5. 数据码1、2分别表示水平、垂直方向速度(00-3FH),在有关预制点的操作时,数据码2表示预制点值 6. ETX始终为AFH 7. 校验码(XOR sum of Bytes 2-6) = 字节2 ^ 字节3 ^ 字节4 ^ 字节5 ^ 字节6 以地址码0x01为例: {0xa0,0x01,0x00,0x08,0x00,0x30,0xaf,0x39,}//上 {0xa0,0x01,0x00,0x10,0x00,0x30,0xaf,0x21,}//下 {0xa0,0x01,0x00,0x04,0x10,0x00,0xaf,0x15,}//左 {0xa0,0x01,0x00,0x02,0x10,0x00,0xaf,0x13,}//右 {0xa0,0x01,0x00,0x40,0x00,0x00,0xaf,0x41,}//变倍短 {0xa0,0x01,0x00,0x20,0x00,0x00,0xaf,0x21,}//变倍长 {0xa0,0x01,0x02,0x00,0x00,0x00,0xaf,0x03,}//聚焦近 {0xa0,0x01,0x01,0x00,0x00,0x00,0xaf,0x00,}//聚焦远 {0xa0,0x01,0x08,0x00,0x00,0x00,0xaf,0x09,}//光圈小 {0xa0,0x01,0x04,0x00,0x00,0x00,0xaf,0x05,}//光圈大 无命令字发送//灯光关 无命令字发送//灯光开 {0xa0,0x01,0x00,0x96,0x00,0x20,0xaf,0xb7,}//自动巡航 {0xa0,0x01,0x00,0x99,0x00,0x20,0xaf,0xb8,}//关闭自动巡航 {0xa0,0x01,0x00,0x07,0x00,0x01,0xaf,0x07,}//转至预置点001 {0xa0,0x01,0x00,0x03,0x00,0x01,0xaf,0x03,}//设置预置点001 {0xa0,0x01,0x00,0x05,0x00,0x01,0xaf,0x01,}//删除预置点001 以上对应的停命令均是(上下左右、变倍、聚焦、光圈均有停命令): {0xa0,0x01,0x00,0x00,0x00,0x00,0xaf,0x01,} |