127 lines
3.0 KiB
C
127 lines
3.0 KiB
C
/*
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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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