这是一个C语言的代码,实现了根据传入的数据自动判断采用单帧模式还是多帧模式,并按照帧结构输出到屏幕上。以下是完整的代码:
#include <stdio.h>
typedef enum {
SINGLE_FRAME,
FIRST_FRAME,
CONSECUTIVE_FRAME
} FrameType;
void outputFrame(FrameType type, unsigned char *data, int length) {
printf("Frame Type: ");
switch(type) {
case SINGLE_FRAME:
printf("Single Frame\n");
break;
case FIRST_FRAME:
printf("First Frame\n");
break;
case CONSECUTIVE_FRAME:
printf("Consecutive Frame\n");
break;
default:
printf("Unknown Frame Type\n");
}
printf("Data: ");
for (int i = 0; i < length; i++) {
printf("%02X ", data[i]);
}
printf("\n\n");
}
void process_data(unsigned char *data, int length) {
if (length <= 8) { // Single Frame
outputFrame(SINGLE_FRAME, data, length);
} else { // Multi-Frame
outputFrame(FIRST_FRAME, data, 8);
int remainingLength = length - 8;
int frameCount = remainingLength / 7 + ((remainingLength % 7 == 0) ? 0 : 1);
for (int i = 1; i <= frameCount; i++) {
int offset = (i - 1) * 7 + 8;
if (i == frameCount) {
outputFrame(CONSECUTIVE_FRAME, &data[offset], remainingLength % 7);
} else {
outputFrame(CONSECUTIVE_FRAME, &data[offset], 7);
}
}
}
}
int main() {
// 数据示例
unsigned char testString[] = "test";
unsigned char vnCode[] = {0x88, 0x99, 0xAA, 0xBB, 0xCC, 0xDD, 0xEE, 0xFF};
unsigned char becauseString[] = "Because";
int array[] = {1,2,3,4,5};
process_data(testString, sizeof(testString) - 1); // 减去字符串末尾的\0
process_data(vnCode, sizeof(vnCode));
process_data(becauseString,sizeof(becauseString) - 1); // 减去字符串末尾的\0
process_data((unsigned char *)array,sizeof(array));
return 0;
}
该代码将输入数据根据ISO15765协议进行分帧处理,并输出到屏幕上。你可以根据需要修改和扩展此代码来满足更多的数据处理要求。
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