1 | /* |
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2 | * COPYRIGHT (c) 1989-2011. |
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3 | * On-Line Applications Research Corporation (OAR). |
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4 | * |
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5 | * The license and distribution terms for this file may be |
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6 | * found in the file LICENSE in this distribution or at |
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7 | * http://www.rtems.com/license/LICENSE. |
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8 | * |
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9 | * $Id$ |
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10 | */ |
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11 | |
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12 | #include <stdio.h> |
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13 | #include <stdlib.h> |
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14 | #include <bsp.h> |
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15 | #include <sys/types.h> |
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16 | #include <sys/stat.h> |
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17 | #include <fcntl.h> |
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18 | |
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19 | #include <rtems/libio.h> |
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20 | #include <termios.h> |
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21 | #include <rtems/termiostypes.h> |
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22 | #include <rtems/mouse_parser.h> |
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23 | #include <rtems/serial_mouse.h> |
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24 | |
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25 | int serial_mouse_fd = -1; |
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26 | const char *serial_mouse_device; |
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27 | const char *serial_mouse_type; |
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28 | |
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29 | int serial_mouse_l_rint(int c, struct rtems_termios_tty *tp) |
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30 | { |
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31 | unsigned char buf = c; |
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32 | |
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33 | /* call mouse_parser( void *ptr, char *buffer, int size ) */ |
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34 | mouse_parser_enqueue( &buf, 1 ); |
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35 | return 0; |
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36 | } |
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37 | |
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38 | static struct rtems_termios_linesw serial_mouse_linesw = { |
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39 | .l_open = NULL, |
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40 | .l_close = NULL, |
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41 | .l_read = NULL, |
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42 | .l_write = NULL, |
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43 | .l_rint = serial_mouse_l_rint, |
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44 | .l_start = NULL, |
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45 | .l_ioctl = NULL, |
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46 | .l_modem = NULL |
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47 | }; |
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48 | |
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49 | |
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50 | /* |
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51 | * Serial Mouse - device driver INITIALIZE entry point. |
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52 | */ |
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53 | rtems_device_driver serial_mouse_initialize( |
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54 | rtems_device_major_number major, |
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55 | rtems_device_minor_number minor, |
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56 | void *arg |
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57 | ) |
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58 | { |
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59 | bool status; |
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60 | |
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61 | status = bsp_get_serial_mouse_device( |
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62 | &serial_mouse_device, |
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63 | &serial_mouse_type |
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64 | ); |
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65 | |
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66 | (void) rtems_io_register_name( "/dev/mouse", major, 0 ); |
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67 | |
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68 | rtems_termios_linesw[ 6 ] = serial_mouse_linesw; |
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69 | |
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70 | return RTEMS_SUCCESSFUL; |
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71 | } |
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72 | |
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73 | /* |
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74 | * serial_mouse - device driver OPEN entry point |
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75 | */ |
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76 | rtems_device_driver serial_mouse_open( |
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77 | rtems_device_major_number major, |
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78 | rtems_device_minor_number minor, |
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79 | void *args |
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80 | ) |
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81 | { |
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82 | struct termios termios_attr; |
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83 | int status; |
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84 | int disc = 6; |
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85 | |
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86 | /* XXX open(2) the configured /dev/comX */ |
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87 | /* XXX save the file descriptor */ |
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88 | serial_mouse_fd = open( serial_mouse_device, O_RDONLY ); |
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89 | if ( serial_mouse_fd == -1 ) { |
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90 | printk( |
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91 | "Error opening serial_mouse device on %s\n", |
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92 | serial_mouse_device |
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93 | ); |
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94 | return RTEMS_IO_ERROR; |
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95 | } |
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96 | |
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97 | /* 1200-8-N-1, without hardware flow control */ |
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98 | /* BSP_uart_init( BSP_UART_PORT, 1200, CHR_8_BITS, 0, 0, 0 ); */ |
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99 | status = tcgetattr(serial_mouse_fd, &termios_attr ); |
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100 | if (status != 0) { |
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101 | printk("Error getting mouse attributes\n"); |
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102 | return RTEMS_IO_ERROR; |
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103 | } |
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104 | termios_attr.c_lflag &= ~(ICANON|ECHO|ECHONL|ECHOK|ECHOE|ECHOPRT|ECHOCTL); |
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105 | termios_attr.c_iflag &= ~(IXON|IXANY|IXOFF); |
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106 | /* |
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107 | termios_attr.c_cc[VMIN] = itask_VMIN; |
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108 | termios_attr.c_cc[VTIME] = itask_VTIME; |
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109 | */ |
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110 | termios_attr.c_cflag |= B1200; |
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111 | termios_attr.c_cflag |= CS8; |
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112 | status = tcsetattr( serial_mouse_fd, TCSANOW, &termios_attr ); |
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113 | if (status != 0) { |
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114 | printk("Error setting mouse attributes\n"); |
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115 | return RTEMS_IO_ERROR; |
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116 | } |
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117 | |
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118 | status = ioctl(serial_mouse_fd, TIOCSETD, &disc); |
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119 | if (status != 0) { |
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120 | printk("Error setting mouse attributes\n"); |
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121 | return RTEMS_IO_ERROR; |
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122 | } |
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123 | |
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124 | sleep(5); |
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125 | return RTEMS_SUCCESSFUL; |
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126 | } |
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127 | |
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128 | rtems_device_driver serial_mouse_close( |
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129 | rtems_device_major_number major, |
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130 | rtems_device_minor_number minor, |
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131 | void *arg |
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132 | ) |
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133 | { |
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134 | close( serial_mouse_fd ); |
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135 | |
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136 | return RTEMS_SUCCESSFUL; |
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137 | } |
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138 | |
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139 | rtems_device_driver serial_mouse_read( |
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140 | rtems_device_major_number major, |
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141 | rtems_device_minor_number minor, |
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142 | void *arg |
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143 | ) |
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144 | { |
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145 | return RTEMS_SUCCESSFUL; |
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146 | } |
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147 | |
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148 | |
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149 | rtems_device_driver serial_mouse_write( |
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150 | rtems_device_major_number major, |
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151 | rtems_device_minor_number minor, |
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152 | void *arg |
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153 | ) |
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154 | { |
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155 | return RTEMS_SUCCESSFUL; |
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156 | } |
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157 | |
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158 | |
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159 | rtems_device_driver serial_mouse_control( |
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160 | rtems_device_major_number major, |
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161 | rtems_device_minor_number minor, |
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162 | void *arg |
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163 | ) |
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164 | { |
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165 | rtems_libio_ioctl_args_t *args = (rtems_libio_ioctl_args_t *)arg; |
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166 | |
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167 | switch( args->command ) { |
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168 | |
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169 | case MW_UID_REGISTER_DEVICE: |
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170 | printk( "SerialMouse: reg=%s\n", args->buffer ); |
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171 | mouse_parser_initialize( serial_mouse_type ); |
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172 | break; |
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173 | |
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174 | case MW_UID_UNREGISTER_DEVICE: |
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175 | break; |
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176 | |
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177 | default: |
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178 | args->ioctl_return = ioctl(serial_mouse_fd, args->command, args->buffer ); |
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179 | if ( !args->ioctl_return ) |
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180 | return RTEMS_SUCCESSFUL; |
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181 | return RTEMS_IO_ERROR; |
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182 | } |
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183 | args->ioctl_return = 0; |
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184 | return RTEMS_SUCCESSFUL; |
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185 | } |
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