143 lines
3.3 KiB
C++
143 lines
3.3 KiB
C++
#include "pip.h"
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#include <fcntl.h>
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#include <unistd.h>
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#include <stdio.h>
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/*#include <sys/ioctl.h>
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#include <sys/select.h>
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void print(PIConfig::Entry*e, PIString indent = "") {
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piCout << indent << e->name() << "=" << e->value();
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indent += " ";
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e->children().forEach([=](PIConfig::Entry*e)->PIConfig::Entry*{print(e, indent); return e;});
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}
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class AsyncIOWatcher: public PIThread {
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PIOBJECT_SUBCLASS(AsyncIOWatcher, PIThread)
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public:
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AsyncIOWatcher() {
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pipe_fd[0] = pipe_fd[1] = 0;
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if (pipe(pipe_fd) != 0) {
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piCoutObj << "Warning: can`t create pipe," << errorString();
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} else {
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fd_list << pipe_fd[0];
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}
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piCout << pipe_fd[0] << pipe_fd[1];
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fd_list_changed = false;
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start();
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}
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~AsyncIOWatcher() {
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stop();
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breakSelect();
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if (!waitForFinish(2000))
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terminate();
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if (pipe_fd[0]) ::close(pipe_fd[0]);
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if (pipe_fd[1]) ::close(pipe_fd[1]);
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}
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void add(int fd) {
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que_mutex.lock();
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fd_list_changed = true;
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if (!add_que.contains(fd))
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add_que.enqueue(fd);
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que_mutex.unlock();
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breakSelect();
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}
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void remove(int fd) {
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que_mutex.lock();
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fd_list_changed = true;
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if (!remove_que.contains(fd))
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remove_que.enqueue(fd);
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que_mutex.unlock();
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breakSelect();
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}
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private:
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virtual void run() {
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que_mutex.lock();
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if (fd_list_changed) {
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for (int i = 0; i < add_que.size_s(); ++i) {
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if (!fd_list.contains(add_que[i]))
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fd_list << add_que[i];
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}
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for (int i = 0; i < remove_que.size_s(); ++i) {
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fd_list.removeAll(remove_que[i]);
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}
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add_que.clear();
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remove_que.clear();
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}
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fd_list_changed = false;
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que_mutex.unlock();
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s_tv.tv_sec = 1;
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s_tv.tv_usec = 0;
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FD_ZERO(&s_set);
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int max_fd = 0;
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piForeachC (int fd, fd_list) {
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FD_SET(fd, &s_set);
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if (max_fd < fd)
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max_fd = fd;
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}
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int ret = select(max_fd + 1, &s_set, 0, 0, 0);
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piCout << "select" << ret;
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if (ret <= 0) return;
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read_buff.resize(1024);
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uint ibuff = 0;
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piForeachC (int fd, fd_list) {
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if (!FD_ISSET(fd, &s_set)) continue;
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if (fd == pipe_fd[0]) {
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read(fd, &ibuff, sizeof(ibuff));
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piCoutObj << "breaked";
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continue;
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}
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int readed = read(fd, read_buff.data(), read_buff.size_s());
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piCout << "readed" << fd << readed;
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}
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}
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void breakSelect() {
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if (pipe_fd[1])
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::write(pipe_fd[1], "\0", 1);
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}
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PIQueue<int> add_que, remove_que;
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PIDeque<int> fd_list;
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PIByteArray read_buff;
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PIMutex que_mutex;
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bool fd_list_changed;
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int pipe_fd[2];
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fd_set s_set;
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struct timeval s_tv;
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};
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*/
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PIKbdListener kbd;
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#include "pigpio.h"
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int main(int argc, char * argv[]) {
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int pin = PIString(argv[1]).toInt();
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PIGPIO::instance()->initPin(pin, PIGPIO::In);
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PIGPIO::instance()->pinBeginWatch(pin);
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PIGPIO::instance()->start();
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CONNECTL(PIGPIO::instance(), pinChanged, [](int pin, bool value){
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piCout << "pin" << pin << "->" << value;}
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);
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kbd.enableExitCapture();
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kbd.start();
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bool val = false;
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while (!PIKbdListener::exiting) {
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piMSleep(500);
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/*PIGPIO::instance()->pinSet(4, val);
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piCout << PIGPIO::instance()->pinState(4);
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val = !val;*/
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}
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/*PIStringList dl = PISerial::availableDevices();
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piCout << dl;
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PISerial ser(dl[0]);
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piCout << ser.open(PIIODevice::ReadWrite) << &ser;
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*/
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return 0;
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}
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