void ASCIISerialStream::readSerial() {
// TODO(benzh) This readSerial is running in a different thread
// and performing a busy polling (100% CPU usage). Should be
// optimized.
int sleep_time = 10;
ofLog() << "Serial port will be read every " << sleep_time << " ms";
while (has_started_) {
string s;
do {
while (serial_->available() < 1) {
std::this_thread::sleep_for(std::chrono::milliseconds(sleep_time));
}
s += serial_->readByte();
} while(s[s.length() - 1] != '\n');
//ofLog() << "read: '" << s << "'" << endl;
if (data_ready_callback_ != nullptr) {
istringstream iss(s);
vector<double> data;
double d;
while (iss >> d) data.push_back(d);
if (data.size() > 0) {
data = normalize(data);
GRT::MatrixDouble matrix;
matrix.push_back(data);
data_ready_callback_(matrix);
}
}
}
void ASCIISerialStream::parseSerial(vector<unsigned char> &buffer) {
auto newline = find(buffer.begin(), buffer.end(), '\n');
if (newline != buffer.end()) {
string s(buffer.begin(), newline);
buffer.erase(buffer.begin(), ++newline);
if (data_ready_callback_ != nullptr) {
istringstream iss(s);
vector<double> data;
double d;
while (iss >> d) data.push_back(d);
if (data.size() > 0) {
data = normalize(data);
GRT::MatrixDouble matrix;
matrix.push_back(data);
data_ready_callback_(matrix);
}
}