/* LUFA Library Copyright (C) Dean Camera, 2017. dean [at] fourwalledcubicle [dot] com www.lufa-lib.org */ /* Copyright 2017 Dean Camera (dean [at] fourwalledcubicle [dot] com) Permission to use, copy, modify, distribute, and sell this software and its documentation for any purpose is hereby granted without fee, provided that the above copyright notice appear in all copies and that both that the copyright notice and this permission notice and warranty disclaimer appear in supporting documentation, and that the name of the author not be used in advertising or publicity pertaining to distribution of the software without specific, written prior permission. The author disclaims all warranties with regard to this software, including all implied warranties of merchantability and fitness. In no event shall the author be liable for any special, indirect or consequential damages or any damages whatsoever resulting from loss of use, data or profits, whether in an action of contract, negligence or other tortious action, arising out of or in connection with the use or performance of this software. */ /** \file * * Main source file for the StillImageHost demo. This file contains the main tasks of * the demo and is responsible for the initial application hardware configuration. */ #include "StillImageHost.h" /** LUFA Still Image Class driver interface configuration and state information. This structure is * passed to all Still Image Class driver functions, so that multiple instances of the same class * within a device can be differentiated from one another. */ USB_ClassInfo_SI_Host_t DigitalCamera_SI_Interface = { .Config = { .DataINPipe = { .Address = (PIPE_DIR_IN | 1), .Banks = 1, }, .DataOUTPipe = { .Address = (PIPE_DIR_OUT | 2), .Banks = 1, }, .EventsPipe = { .Address = (PIPE_DIR_IN | 3), .Banks = 1, }, }, }; /** Main program entry point. This routine configures the hardware required by the application, then * enters a loop to run the application tasks in sequence. */ int main(void) { SetupHardware(); puts_P(PSTR(ESC_FG_CYAN "Still Image Host Demo running.\r\n" ESC_FG_WHITE)); LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY); GlobalInterruptEnable(); for (;;) { StillImageHost_Task(); SI_Host_USBTask(&DigitalCamera_SI_Interface); USB_USBTask(); } } /** Configures the board hardware and chip peripherals for the demo's functionality. */ void SetupHardware(void) { #if (ARCH == ARCH_AVR8) /* Disable watchdog if enabled by bootloader/fuses */ MCUSR &= ~(1 << WDRF); wdt_disable(); /* Disable clock division */ clock_prescale_set(clock_div_1); #endif /* Hardware Initialization */ Serial_Init(9600, false); LEDs_Init(); USB_Init(); /* Create a stdio stream for the serial port for stdin and stdout */ Serial_CreateStream(NULL); } /** Task to manage an enumerated USB Still Image device once connected, to manage a * new PIMA session in order to send commands to the attached device. */ void StillImageHost_Task(void) { if (USB_HostState != HOST_STATE_Configured) return; puts_P(PSTR("Opening Session...\r\n")); if (SI_Host_OpenSession(&DigitalCamera_SI_Interface) != PIPE_RWSTREAM_NoError) { puts_P(PSTR("Could not open PIMA session.\r\n")); USB_Host_SetDeviceConfiguration(0); return; } puts_P(PSTR("Turning off Device...\r\n")); SI_Host_SendCommand(&DigitalCamera_SI_Interface, 0x1013, 0, NULL); if (SI_Host_ReceiveResponse(&DigitalCamera_SI_Interface)) { puts_P(PSTR("Could not turn off device.\r\n")); USB_Host_SetDeviceConfiguration(0); return; } puts_P(PSTR("Device Off.\r\n")); puts_P(PSTR("Closing Session...\r\n")); if (SI_Host_CloseSession(&DigitalCamera_SI_Interface) != PIPE_RWSTREAM_NoError) { puts_P(PSTR("Could not close PIMA session.\r\n")); USB_Host_SetDeviceConfiguration(0); return; } LEDs_SetAllLEDs(LEDMASK_USB_READY); USB_Host_SetDeviceConfiguration(0); } /** Event handler for the USB_DeviceAttached event. This indicates that a device has been attached to the host, and * starts the library USB task to begin the enumeration and USB management process. */ void EVENT_USB_Host_DeviceAttached(void) { puts_P(PSTR("Device Attached.\r\n")); LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING); } /** Event handler for the USB_DeviceUnattached event. This indicates that a device has been removed from the host, and * stops the library USB task management process. */ void EVENT_USB_Host_DeviceUnattached(void) { puts_P(PSTR("\r\nDevice Unattached.\r\n")); LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY); } /** Event handler for the USB_DeviceEnumerationComplete event. This indicates that a device has been successfully * enumerated by the host and is now ready to be used by the application. */ void EVENT_USB_Host_DeviceEnumerationComplete(void) { LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING); uint16_t ConfigDescriptorSize; uint8_t ConfigDescriptorData[512]; if (USB_Host_GetDeviceConfigDescriptor(1, &ConfigDescriptorSize, ConfigDescriptorData, sizeof(ConfigDescriptorData)) != HOST_GETCONFIG_Successful) { puts_P(PSTR("Error Retrieving Configuration Descriptor.\r\n")); LEDs_SetAllLEDs(LEDMASK_USB_ERROR); return; } if (SI_Host_ConfigurePipes(&DigitalCamera_SI_Interface, ConfigDescriptorSize, ConfigDescriptorData) != SI_ENUMERROR_NoError) { puts_P(PSTR("Attached Device Not a Valid Still Image Class Device.\r\n")); LEDs_SetAllLEDs(LEDMASK_USB_ERROR); return; } if (USB_Host_SetDeviceConfiguration(1) != HOST_SENDCONTROL_Successful) { puts_P(PSTR("Error Setting Device Configuration.\r\n")); LEDs_SetAllLEDs(LEDMASK_USB_ERROR); return; } puts_P(PSTR("Still Image Device Enumerated.\r\n")); LEDs_SetAllLEDs(LEDMASK_USB_READY); } /** Event handler for the USB_HostError event. This indicates that a hardware error occurred while in host mode. */ void EVENT_USB_Host_HostError(const uint8_t ErrorCode) { USB_Disable(); printf_P(PSTR(ESC_FG_RED "Host Mode Error\r\n" " -- Error Code %d\r\n" ESC_FG_WHITE), ErrorCode); LEDs_SetAllLEDs(LEDMASK_USB_ERROR); for(;;); } /** Event handler for the USB_DeviceEnumerationFailed event. This indicates that a problem occurred while * enumerating an attached USB device. */ void EVENT_USB_Host_DeviceEnumerationFailed(const uint8_t ErrorCode, const uint8_t SubErrorCode) { printf_P(PSTR(ESC_FG_RED "Dev Enum Error\r\n" " -- Error Code %d\r\n" " -- Sub Error Code %d\r\n" " -- In State %d\r\n" ESC_FG_WHITE), ErrorCode, SubErrorCode, USB_HostState); LEDs_SetAllLEDs(LEDMASK_USB_ERROR); } ='n120' href='#n120'>120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434