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4677 | trochtova | 1 | /* |
2 | * Copyright (c) 2009 Lenka Trochtova |
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3 | * All rights reserved. |
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4 | * |
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5 | * Redistribution and use in source and binary forms, with or without |
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6 | * modification, are permitted provided that the following conditions |
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7 | * are met: |
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8 | * |
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9 | * - Redistributions of source code must retain the above copyright |
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10 | * notice, this list of conditions and the following disclaimer. |
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11 | * - Redistributions in binary form must reproduce the above copyright |
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12 | * notice, this list of conditions and the following disclaimer in the |
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13 | * documentation and/or other materials provided with the distribution. |
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14 | * - The name of the author may not be used to endorse or promote products |
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15 | * derived from this software without specific prior written permission. |
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16 | * |
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17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
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21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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27 | */ |
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28 | |||
29 | /** @addtogroup shutters |
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30 | * @brief closing/opening shutters |
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31 | * @{ |
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32 | */ |
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33 | /** |
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34 | * @file |
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35 | */ |
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36 | |||
37 | #include <stdio.h> |
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38 | #include <ipc/ipc.h> |
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39 | #include <sys/types.h> |
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40 | #include <atomic.h> |
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41 | #include <ipc/devmap.h> |
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42 | #include <async.h> |
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43 | #include <ipc/services.h> |
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44 | #include <ipc/serial.h> |
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45 | #include <as.h> |
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46 | #include <sysinfo.h> |
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47 | #include <errno.h> |
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48 | |||
49 | |||
50 | #include <stdlib.h> |
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51 | #include <unistd.h> |
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52 | #include <fcntl.h> |
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53 | #include <sys/stat.h> |
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54 | |||
55 | #include <string.h> |
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56 | |||
57 | #define NAME "shutters" |
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58 | #define MYROOM 2 |
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59 | #define UpSection1 25 |
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60 | #define DwnSection1 26 |
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61 | #define UpSection2 27 |
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62 | #define DwnSection2 28 |
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63 | |||
64 | static int device_get_handle(const char *name, dev_handle_t *handle); |
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65 | static void print_usage(); |
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66 | static void move_shutters(const char * serial_dev_name, char room, char cmd); |
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67 | static char getcmd(bool wnd, bool up); |
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68 | static bool is_com_dev(const char *dev_name); |
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69 | |||
70 | static int device_get_handle(const char *name, dev_handle_t *handle) |
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71 | { |
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72 | int phone = ipc_connect_me_to(PHONE_NS, SERVICE_DEVMAP, DEVMAP_CLIENT, 0); |
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73 | if (phone < 0) |
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74 | return phone; |
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75 | |||
76 | ipc_call_t answer; |
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77 | aid_t req = async_send_2(phone, DEVMAP_DEVICE_GET_HANDLE, 0, 0, &answer); |
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78 | |||
79 | ipcarg_t retval = ipc_data_write_start(phone, name, str_length(name) + 1); |
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80 | |||
81 | if (retval != EOK) { |
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82 | async_wait_for(req, NULL); |
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83 | ipc_hangup(phone); |
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84 | return retval; |
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85 | } |
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86 | |||
87 | async_wait_for(req, &retval); |
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88 | |||
89 | if (handle != NULL) |
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90 | *handle = -1; |
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91 | |||
92 | if (retval == EOK) { |
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93 | if (handle != NULL) |
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94 | *handle = (dev_handle_t) IPC_GET_ARG1(answer); |
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95 | } |
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96 | |||
97 | ipc_hangup(phone); |
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98 | return retval; |
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99 | } |
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100 | |||
101 | static void print_usage() |
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102 | { |
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103 | printf("Usage: \n shutters comN shutter direction \n where 'comN' is a serial port, 'shutter' is either 'window' or 'door' and direction is 'up' or 'down'.\n"); |
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104 | } |
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105 | |||
106 | static void move_shutters(const char * serial_dev_name, char room, char cmd) |
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107 | { |
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108 | dev_handle_t serial_dev_handle = -1; |
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109 | |||
110 | if (device_get_handle(serial_dev_name, &serial_dev_handle) != EOK) { |
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111 | printf(NAME ": could not get the handle of %s.\n", serial_dev_name); |
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112 | return; |
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113 | } |
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114 | |||
115 | printf(NAME ": got the handle of %s.\n", serial_dev_name); |
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116 | |||
117 | int dev_phone = ipc_connect_me_to(PHONE_NS, SERVICE_DEVMAP, DEVMAP_CONNECT_TO_DEVICE, serial_dev_handle); |
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118 | if(dev_phone < 0) { |
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119 | printf(NAME ": could not connect to %s device.\n", serial_dev_name); |
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120 | return; |
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121 | } |
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122 | |||
123 | async_req_1_0(dev_phone, SERIAL_PUTCHAR, 0x55); |
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124 | async_req_1_0(dev_phone, SERIAL_PUTCHAR, room); |
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125 | async_req_1_0(dev_phone, SERIAL_PUTCHAR, cmd); |
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126 | async_req_1_0(dev_phone, SERIAL_PUTCHAR, 240); |
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127 | } |
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128 | |||
129 | static char getcmd(bool wnd, bool up) |
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130 | { |
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131 | char cmd = 0; |
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132 | if (wnd) { |
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133 | if (up) { |
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134 | cmd = UpSection2; |
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135 | } |
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136 | else { |
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137 | cmd = DwnSection2; |
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138 | } |
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139 | } else { |
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140 | if (up) { |
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141 | cmd = UpSection1; |
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142 | } |
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143 | else { |
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144 | cmd = DwnSection1; |
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145 | } |
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146 | } |
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147 | return cmd; |
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148 | } |
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149 | |||
150 | /* |
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151 | * The name of a serial device must be between 'com0' and 'com9'. |
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152 | */ |
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153 | static bool is_com_dev(const char *dev_name) |
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154 | { |
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155 | if (str_length(dev_name) != 4) { |
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156 | return false; |
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157 | } |
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158 | |||
159 | if (str_cmp("com0", dev_name) > 0) { |
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160 | return false; |
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161 | } |
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162 | |||
163 | if (str_cmp(dev_name, "com9") > 0) { |
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164 | return false; |
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165 | } |
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166 | |||
167 | return true; |
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168 | } |
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169 | |||
170 | |||
171 | int main(int argc, char *argv[]) |
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172 | { |
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173 | if (argc != 4) { |
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174 | printf(NAME ": incorrect number of arguments.\n"); |
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175 | print_usage(); |
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176 | return 0; |
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177 | } |
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178 | |||
179 | bool wnd, up; |
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180 | const char *serial_dev = argv[1]; |
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181 | |||
182 | if (!is_com_dev(serial_dev)) { |
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183 | printf(NAME ": the first argument is not correct.\n"); |
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184 | print_usage(); |
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185 | return 0; |
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186 | } |
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187 | |||
188 | if (str_cmp(argv[2], "window") == 0) { |
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189 | wnd = true; |
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190 | } else if (str_cmp(argv[2], "door") == 0) { |
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191 | wnd = false; |
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192 | } else { |
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193 | printf(NAME ": the second argument is not correct.\n"); |
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194 | print_usage(); |
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195 | return 0; |
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196 | } |
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197 | |||
198 | if (str_cmp(argv[2], "window") == 0) { |
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199 | wnd = true; |
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200 | } else if (str_cmp(argv[2], "door") == 0) { |
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201 | wnd = false; |
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202 | } else { |
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203 | printf(NAME ": the third argument is not correct.\n"); |
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204 | print_usage(); |
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205 | return 0; |
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206 | } |
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207 | |||
208 | if (str_cmp(argv[3], "up") == 0) { |
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209 | up = true; |
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210 | } else if (str_cmp(argv[3], "down") == 0) { |
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211 | up = false; |
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212 | } else { |
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213 | printf(NAME ": the second argument is not correct.\n"); |
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214 | print_usage(); |
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215 | return 0; |
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216 | } |
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217 | |||
218 | char cmd = getcmd(wnd, up); |
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219 | move_shutters(serial_dev, MYROOM, cmd); |
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220 | |||
221 | return 0; |
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222 | } |
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223 | |||
224 | /** @} |
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225 | */ |