bx.zip_并行

// This sample illustrates how to interface with multiple Myo armbands and distinguish between them. #include <iostream> #include <stdexcept> #include <vector> #include <myo/myo.hpp> class PrintMyoEvents : public myo::DeviceListener { public: // Every time Myo Connect successfully pairs with a Myo armband, this function will be called. // // You can rely on the following rules: // - onPair() will only be called once for each Myo device // - no other events will occur involving a given Myo device before onPair() is called with it // // If you need to do some kind of per-Myo preparation before handling events, you can safely do it in onPair(). void onPair(myo::Myo* myo, uint64_t timestamp, myo::FirmwareVersion firmwareVersion) { // Print out the MAC address of the armband we paired with. // The pointer address we get for a Myo is unique - in other words, it's safe to compare two Myo pointers to // see if they're referring to the same Myo. // Add the Myo pointer to our list of known Myo devices. This list is used to implement identifyMyo() below so // that we can give each Myo a nice short identifier. knownMyos.push_back(myo); // Now that we've added it to our list, get our short ID for it and print it out. std::cout << "Paired with " << identifyMyo(myo) << "." << std::endl; } void onPose(myo::Myo* myo, uint64_t timestamp, myo::Pose pose) { std::cout << "Myo " << identifyMyo(myo) << " switched to pose " << pose.toString() << "." << std::endl; } void onConnect(myo::Myo* myo, uint64_t timestamp, myo::FirmwareVersion firmwareVersion) { std::cout << "Myo " << identifyMyo(myo) << " has connected." << std::endl; } void onDisconnect(myo::Myo* myo, uint64_t timestamp) { std::cout << "Myo " << identifyMyo(myo) << " has disconnected." << std::endl; } // This is a utility function implemented for this sample that maps a myo::Myo* to a unique ID starting at 1. // It does so by looking for the Myo pointer in knownMyos, which onPair() adds each Myo into as it is paired. size_t identifyMyo(myo::Myo* myo) { // Walk through the list of Myo devices that we've seen pairing events for. for (size_t i = 0; i < knownMyos.size(); ++i) { // If two Myo pointers compare equal, they refer to the same Myo device. if (knownMyos[i] == myo) { return i + 1; } } return 0; } // We store each Myo pointer that we pair with in this list, so that we can keep track of the order we've seen // each Myo and give it a unique short identifier (see onPair() and identifyMyo() above). std::vector<myo::Myo*> knownMyos; }; int main(int argc, char** argv) { try { myo::Hub hub("com.example.multiple-myos"); // Instantiate the PrintMyoEvents class we defined above, and attach it as a listener to our Hub. PrintMyoEvents printer; hub.addListener(&printer); while (1) { // Process events for 10 milliseconds at a time. hub.run(10); } } catch (const std::exception& e) { std::cerr << "Error: " << e.what() << std::endl; std::cerr << "Press enter to continue."; std::cin.ignore(); return 1; } }