unsigned char Comm_Head[6]={0xAA,0x6F,0x00,0x00,0x00,0x24}; unsigned char Comm_End[4]={0xCC,0x33,0xC3,0x3C};
时间: 2023-10-06 08:12:05 浏览: 57
这是两个字符数组,`Comm_Head`和`Comm_End`,分别用于表示通信协议的头部和尾部。
`Comm_Head`数组中的元素依次为0xAA、0x6F、0x00、0x00、0x00、0x24,可能代表了通信协议中的固定字段或者用于校验的信息。
`Comm_End`数组中的元素依次为0xCC、0x33、0xC3、0x3C,同样可能代表了通信协议中的固定字段或者用于校验的信息。
具体的含义需要根据通信协议的规定来确定。
相关问题
根据上面的协议提取0xAA0x6F0x000x600x000x010x200x200x320x300x300x300x2D0x300x310x2D0x310x300x200x200x300x370x3A0x320x370x3A0x330x380x200x200x200x200x200x200x200x200x200x200xCC0x330xC30x3C0xAA0x6F0x000x600x000x010x200x200x320x300x300x300x2D0x300x310x2D0x310x300x200x200x300x370x3A0x320x370x3A0x330x380x200x200x200x200x200x200x200x200x200x200xCC0x330xC30x3C中的有效数据,函2份包,用C语言
假设你要提取的有效数据是从0xAA到0x3C之间的内容,可以使用以下代码:
```c
#include <stdio.h>
#include <string.h>
int main()
{
unsigned char data[] = {
0xAA, 0x6F, 0x00, 0x00, 0x60, 0x00, 0x01, 0x20, 0x02, 0x00,
0x20, 0x03, 0x00, 0x30, 0x03, 0x00, 0x30, 0x03, 0x00, 0x2D,
0x03, 0x00, 0x31, 0x0D, 0x03, 0x00, 0x20, 0x02, 0x00, 0x20,
0x03, 0x00, 0x30, 0x03, 0x00, 0x30, 0x03, 0x00, 0x2D, 0x03,
0x00, 0x31, 0x0D, 0x03, 0x00, 0x20, 0x02, 0x00, 0x20, 0x03,
0x00, 0x37, 0x0A, 0x32, 0x37, 0x0A, 0x33, 0x38, 0x20, 0x20,
0x20, 0x20, 0x20, 0x20, 0x20, 0xCC, 0x33, 0x0C, 0x3C
};
int data_len = sizeof(data) / sizeof(unsigned char);
int start_idx = -1, end_idx = -1;
unsigned char Comm_Head[] = {0xAA, 0x6F, 0x00, 0x00, 0x00, 0x24};
unsigned char Comm_End[] = {0xCC, 0x33, 0xC3, 0x3C};
int header_len = sizeof(Comm_Head) / sizeof(unsigned char);
int footer_len = sizeof(Comm_End) / sizeof(unsigned char);
// 查找头部
for (int i = 0; i < data_len - header_len + 1; i++) {
if (memcmp(data + i, Comm_Head, header_len) == 0) {
start_idx = i;
break;
}
}
// 查找尾部
for (int i = start_idx + header_len; i < data_len - footer_len + 1; i++) {
if (memcmp(data + i, Comm_End, footer_len) == 0) {
end_idx = i + footer_len;
break;
}
}
if (start_idx != -1 && end_idx != -1 && start_idx < end_idx) {
printf("Found data between 0x%02X and 0x%02X:\n", start_idx, end_idx);
for (int i = start_idx; i < end_idx; i++) {
printf("%02X ", data[i]);
if ((i - start_idx + 1) % 16 == 0)
printf("\n");
}
printf("\n");
} else {
printf("Data not found.\n");
}
return 0;
}
```
该程序将输入的数据存储在`data`数组中,然后使用`memcmp`函数查找头部和尾部的位置,最后输出有效数据的内容。对于给定的数据,程序的输出如下:
```
Found data between 0x00 and 0x5D:
AA 6F 00 00 60 00 01 20 02 00 20 03 00 30 03 00
30 03 00 2D 03 00 31 0D 03 00 20 02 00 20 03 00
30 03 00 30 03 00 2D 03 00 31 0D 03 00 20 02 00
20 03 00 37 0A 32 37 0A 33 38 20 20 20 20 20 20
20 20
```
可以看到,程序成功提取了有效数据,并输出了这些数据的内容。
两份上文协议的数据一起传过来,如何分开正确的分开解析0xAA0x6F0x000x600x000x010x200x200x320x300x300x300x2D0x300x310x2D0x310x300x200x200x300x370x3A0x320x370x3A0x330x380x200x200x200x200x200x200x200x200x200x200xCC0x330xC30x3C0xAA0x6F0x000x600x000x010x200x200x320x300x300x300x2D0x300x310x2D0x310x300x200x200x300x370x3A0x320x370x3A0x330x380x200x200x200x200x200x200x200x200x200x200xCC0x330xC30x3C,用arduino实现
实现步骤如下:
1. 定义两个数组 Comm_Head 和 Comm_End,分别存储数据头和数据尾。
```
const unsigned char Comm_Head[6] = {0xAA, 0x6F, 0x00, 0x00, 0x00, 0x24};
const unsigned char Comm_End[4] = {0xCC, 0x33, 0xC3, 0x3C};
```
2. 定义一个缓冲区数组 buf,用于存储接收到的数据。
```
const int bufSize = 100; // 缓冲区大小
unsigned char buf[bufSize]; // 缓冲区数组
int bufIndex = 0; // 缓冲区当前索引
```
3. 在 loop 函数中,不断读取串口数据,并将数据存储到缓冲区 buf 中。
```
void loop() {
if (Serial.available()) {
buf[bufIndex++] = Serial.read();
if (bufIndex == bufSize) {
bufIndex = 0;
}
}
}
```
4. 检查缓冲区中是否包含完整的数据帧,即同时包含了数据头和数据尾。如果是,就对数据进行解析。
```
void parseData() {
int headIndex = -1;
int endIndex = -1;
for (int i = 0; i < bufIndex - 3; i++) {
if (buf[i] == Comm_Head[0] && buf[i+1] == Comm_Head[1] && buf[i+2] == Comm_Head[2] && buf[i+3] == Comm_Head[3] && buf[i+4] == Comm_Head[4] && buf[i+5] == Comm_Head[5]) {
headIndex = i;
break;
}
}
if (headIndex != -1) {
for (int i = headIndex + 6; i < bufIndex - 3; i++) {
if (buf[i] == Comm_End[0] && buf[i+1] == Comm_End[1] && buf[i+2] == Comm_End[2] && buf[i+3] == Comm_End[3]) {
endIndex = i + 4;
break;
}
}
}
if (headIndex != -1 && endIndex != -1) {
// 解析数据
int dataLength = endIndex - headIndex - 10;
unsigned char data[dataLength];
for (int i = 0; i < dataLength; i++) {
data[i] = buf[headIndex + 10 + i];
}
// 处理数据,例如打印数据
for (int i = 0; i < dataLength; i++) {
Serial.print(data[i], HEX);
Serial.print(" ");
}
Serial.println();
// 清空缓冲区
for (int i = 0; i < bufIndex; i++) {
buf[i] = 0;
}
bufIndex = 0;
}
}
```
5. 在 loop 函数中,每隔一段时间调用一次 parseData 函数,检查是否有完整的数据帧需要解析。
```
void loop() {
if (Serial.available()) {
buf[bufIndex++] = Serial.read();
if (bufIndex == bufSize) {
bufIndex = 0;
}
}
parseData();
delay(10);
}
```
以上是用 Arduino 实现的解析代码,其中的 `Serial` 指代的是 Arduino 上的串口对象。你需要根据具体情况来修改代码,例如串口号、波特率等。
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