本文整理汇总了C++中Serial::ReadBlock方法的典型用法代码示例。如果您正苦于以下问题：C++ Serial::ReadBlock方法的具体用法？C++ Serial::ReadBlock怎么用？C++ Serial::ReadBlock使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类Serial的用法示例。
在下文中一共展示了Serial::ReadBlock方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: main
int main (void) {
// Initialize read buffer, and serial port parameters
int fd;
const int baud = 9600;
char serialport[] = "/dev/ttyACM0";
// Define the delimiters of message
std::string startChar = "$";
std::string endChar = "!";
std::size_t foundStart, foundEnd;
int chksum = 0;
// Setup file name for log file
time_t rawtime;
struct tm *timeinfo;
time(&rawtime);
timeinfo = localtime(&rawtime);
std::string timestr (asctime(timeinfo));
std::string logPath = "/home/edward/Documents/DataLogging/log_files/";
std::string filename = logPath + "log_" + timestr.substr(0,timestr.length()-1) + ".dat";
// Display file name
cout << "main: Data is being logged into the file: ";
cout << filename << endl;
// Initialize serial port
Serial serial;
fd = serial.Initialize(serialport, baud);
// Read from serial port and write to file
if (fd > 0) {
std::ofstream file (filename.c_str());
if (file.is_open()) {
cout << "main: File opened successfully, logging data...\n";
while (1) {
char buf[127];
if (serial.ReadBlock(fd, buf) != -1) {
//file << buf;
cout << buf;
//printf("%s", buf);
//cout << sizeof(buf) << endl;
// Convert character array into string
std::string buffer = buf;
//cout << buffer;
foundStart = buffer.find_first_of(startChar);
foundEnd = buffer.find_first_of(endChar, foundStart+1);
//cout << foundStart << "|" << foundEnd << endl;
if ((foundStart != std::string::npos) && (foundEnd != std::string::npos)) {
std::string msg = buffer.substr(foundStart, (foundEnd-foundStart+1));
std::string::size_type sz;
int msgChksum = std::stoi(buffer.substr((foundEnd+1), (buffer.length()-foundEnd-2)), &sz);
chksum = findChksum(msg);
if (chksum == msgChksum) {
msg = msg + '\n';
//file << msg;
//cout << msg;
}
}
}
}
}
else {
cout << "main: File failed to open, exiting...\n";
exit(EXIT_FAILURE);
}
}
else {
cout << "main: Initialization failed, exiting...\n";
exit(EXIT_FAILURE);
}
return 0;
}