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126 lines
3.0 KiB
126 lines
3.0 KiB
/* |
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* runRemote.c: |
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* Run the remote commands passed over the network link. |
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* |
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* Copyright (c) 2012-2017 Gordon Henderson |
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*********************************************************************** |
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* This file is part of wiringPi: |
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* https://projects.drogon.net/raspberry-pi/wiringpi/ |
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* |
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* wiringPi is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU Lesser General Public License as published by |
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* the Free Software Foundation, either version 3 of the License, or |
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* (at your option) any later version. |
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* |
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* wiringPi is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public License |
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* along with wiringPi. If not, see <http://www.gnu.org/licenses/>. |
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*********************************************************************** |
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*/ |
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#include <arpa/inet.h> |
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#include <stdio.h> |
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#include <stdlib.h> |
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#include <stdint.h> |
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#include <unistd.h> |
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#include <string.h> |
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#include <errno.h> |
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//#include <stdarg.h> |
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#include <wiringPi.h> |
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#include <wpiExtensions.h> |
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#include "drcNetCmd.h" |
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#include "network.h" |
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#include "runRemote.h" |
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int noLocalPins = FALSE ; |
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void runRemoteCommands (int fd) |
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{ |
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register uint32_t pin ; |
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int len ; |
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struct drcNetComStruct cmd ; |
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len = sizeof (struct drcNetComStruct) ; |
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if (setsockopt (fd, SOL_SOCKET, SO_RCVLOWAT, (void *)&len, sizeof (len)) < 0) |
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return ; |
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for (;;) |
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{ |
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if (recv (fd, &cmd, sizeof (cmd), 0) != sizeof (cmd)) // Probably remote hangup |
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return ; |
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pin = cmd.pin ; |
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if (noLocalPins && ((pin & PI_GPIO_MASK) == 0)) |
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{ |
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if (send (fd, &cmd, sizeof (cmd), 0) != sizeof (cmd)) |
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return ; |
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continue ; |
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} |
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switch (cmd.cmd) |
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{ |
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case DRCN_PIN_MODE: |
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pinMode (pin, cmd.data) ; |
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if (send (fd, &cmd, sizeof (cmd), 0) != sizeof (cmd)) |
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return ; |
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break ; |
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case DRCN_PULL_UP_DN: |
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pullUpDnControl (pin, cmd.data) ; |
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break ; |
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case DRCN_PWM_WRITE: |
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pwmWrite (pin, cmd.data) ; |
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if (send (fd, &cmd, sizeof (cmd), 0) != sizeof (cmd)) |
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return ; |
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break ; |
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case DRCN_DIGITAL_WRITE: |
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digitalWrite (pin, cmd.data) ; |
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if (send (fd, &cmd, sizeof (cmd), 0) != sizeof (cmd)) |
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return ; |
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break ; |
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case DRCN_DIGITAL_WRITE8: |
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//digitalWrite8 (pin, cmd.data) ; |
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if (send (fd, &cmd, sizeof (cmd), 0) != sizeof (cmd)) |
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return ; |
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break ; |
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case DRCN_DIGITAL_READ: |
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cmd.data = digitalRead (pin) ; |
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if (send (fd, &cmd, sizeof (cmd), 0) != sizeof (cmd)) |
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return ; |
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break ; |
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case DRCN_DIGITAL_READ8: |
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//cmd.data = digitalRead8 (pin) ; |
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if (send (fd, &cmd, sizeof (cmd), 0) != sizeof (cmd)) |
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return ; |
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break ; |
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case DRCN_ANALOG_WRITE: |
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analogWrite (pin, cmd.data) ; |
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if (send (fd, &cmd, sizeof (cmd), 0) != sizeof (cmd)) |
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return ; |
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break ; |
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case DRCN_ANALOG_READ: |
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cmd.data = analogRead (pin) ; |
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if (send (fd, &cmd, sizeof (cmd), 0) != sizeof (cmd)) |
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return ; |
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break ; |
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} |
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} |
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}
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