Statistics
| Branch: | Revision:

ddr4s / fw / wiringPi / wiringPiD / runRemote.c @ 32:cadb9025f1e0

History | View | Annotate | Download (3.03 KB)

1
/*
2
 * runRemote.c:
3
 *        Run the remote commands passed over the network link.
4
 *
5
 *        Copyright (c) 2012-2017 Gordon Henderson
6
 ***********************************************************************
7
 * This file is part of wiringPi:
8
 *        https://projects.drogon.net/raspberry-pi/wiringpi/
9
 *
10
 *    wiringPi is free software: you can redistribute it and/or modify
11
 *    it under the terms of the GNU Lesser General Public License as published by
12
 *    the Free Software Foundation, either version 3 of the License, or
13
 *    (at your option) any later version.
14
 *
15
 *    wiringPi is distributed in the hope that it will be useful,
16
 *    but WITHOUT ANY WARRANTY; without even the implied warranty of
17
 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18
 *    GNU Lesser General Public License for more details.
19
 *
20
 *    You should have received a copy of the GNU Lesser General Public License
21
 *    along with wiringPi.  If not, see <http://www.gnu.org/licenses/>.
22
 ***********************************************************************
23
 */
24

    
25
#include <arpa/inet.h>
26
#include <stdio.h>
27
#include <stdlib.h>
28
#include <stdint.h>
29
#include <unistd.h>
30
#include <string.h>
31
#include <errno.h>
32
//#include <stdarg.h>
33

    
34
#include <wiringPi.h>
35
#include <wpiExtensions.h>
36

    
37
#include "drcNetCmd.h"
38
#include "network.h"
39
#include "runRemote.h"
40

    
41

    
42

    
43
int noLocalPins = FALSE ;
44

    
45

    
46
void runRemoteCommands (int fd)
47
{
48
  register uint32_t pin ;
49
  int len ;
50
  struct drcNetComStruct cmd ;
51

    
52
  len = sizeof (struct drcNetComStruct) ;
53

    
54
  if (setsockopt (fd, SOL_SOCKET, SO_RCVLOWAT, (void *)&len, sizeof (len)) < 0)
55
    return ;
56

    
57
  for (;;)
58
  {
59
    if (recv (fd, &cmd, sizeof (cmd), 0) != sizeof (cmd))        // Probably remote hangup
60
      return ;
61

    
62
    pin = cmd.pin ;
63
    if (noLocalPins && ((pin & PI_GPIO_MASK) == 0))
64
    {
65
      if (send (fd, &cmd, sizeof (cmd), 0) != sizeof (cmd))
66
        return ;
67
      continue ;
68
    }
69

    
70
    switch (cmd.cmd)
71
    {
72
      case DRCN_PIN_MODE:
73
        pinMode (pin, cmd.data) ;
74
        if (send (fd, &cmd, sizeof (cmd), 0) != sizeof (cmd))
75
          return ;
76
        break ;
77

    
78
      case DRCN_PULL_UP_DN:
79
        pullUpDnControl (pin, cmd.data) ;
80
        break ;
81

    
82
      case DRCN_PWM_WRITE:
83
        pwmWrite (pin, cmd.data) ;
84
        if (send (fd, &cmd, sizeof (cmd), 0) != sizeof (cmd))
85
          return ;
86
        break ;
87

    
88
      case DRCN_DIGITAL_WRITE:
89
        digitalWrite (pin, cmd.data) ;
90
        if (send (fd, &cmd, sizeof (cmd), 0) != sizeof (cmd))
91
          return ;
92
        break ;
93

    
94
      case DRCN_DIGITAL_WRITE8:
95
        //digitalWrite8 (pin, cmd.data) ;
96
        if (send (fd, &cmd, sizeof (cmd), 0) != sizeof (cmd))
97
          return ;
98
        break ;
99

    
100
      case DRCN_DIGITAL_READ:
101
        cmd.data = digitalRead (pin) ;
102
        if (send (fd, &cmd, sizeof (cmd), 0) != sizeof (cmd))
103
          return ;
104
        break ;
105

    
106
      case DRCN_DIGITAL_READ8:
107
        //cmd.data = digitalRead8 (pin) ;
108
        if (send (fd, &cmd, sizeof (cmd), 0) != sizeof (cmd))
109
          return ;
110
        break ;
111

    
112
      case DRCN_ANALOG_WRITE:
113
        analogWrite (pin, cmd.data) ;
114
        if (send (fd, &cmd, sizeof (cmd), 0) != sizeof (cmd))
115
          return ;
116
        break ;
117

    
118
      case DRCN_ANALOG_READ:
119
        cmd.data = analogRead (pin) ;
120
        if (send (fd, &cmd, sizeof (cmd), 0) != sizeof (cmd))
121
          return ;
122
        break ;
123
    }
124
  }
125

    
126
}