Changes in uspace/lib/usbdev/src/devpoll.c [d93f5afb:56fd7cf] in mainline
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uspace/lib/usbdev/src/devpoll.c (modified) (11 diffs)
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uspace/lib/usbdev/src/devpoll.c
rd93f5afb r56fd7cf 51 51 /** USB device to poll. */ 52 52 usb_device_t *dev; 53 /** Device enpoint mappingto use for polling. */54 usb_endpoint_mapping_t *polling_mapping;53 /** Device pipe to use for polling. */ 54 size_t pipe_index; 55 55 /** Size of the recieved data. */ 56 56 size_t request_size; … … 72 72 const usb_device_auto_polling_t *params = &data->auto_polling; 73 73 74 usb_pipe_t *pipe = &data->polling_mapping->pipe; 74 usb_pipe_t *pipe 75 = &data->dev->pipes[data->pipe_index].pipe; 75 76 76 77 if (params->debug > 0) { 77 78 const usb_endpoint_mapping_t *mapping 78 = data->polling_mapping;79 = &data->dev->pipes[data->pipe_index]; 79 80 usb_log_debug("Poll%p: started polling of `%s' - " \ 80 81 "interface %d (%s,%d,%d), %zuB/%zu.\n", 81 data, usb_device_get_name(data->dev),82 data, ddf_dev_get_name(data->dev->ddf_dev), 82 83 (int) mapping->interface->interface_number, 83 84 usb_str_class(mapping->interface->interface_class), … … 87 88 } 88 89 90 usb_pipe_start_long_transfer(pipe); 89 91 size_t failed_attempts = 0; 90 92 while (failed_attempts <= params->max_failures) { … … 115 117 */ 116 118 usb_request_clear_endpoint_halt( 117 usb_device_get_default_pipe(data->dev), 118 pipe->endpoint_no); 119 &data->dev->ctrl_pipe, pipe->endpoint_no); 119 120 } 120 121 … … 147 148 } 148 149 150 usb_pipe_end_long_transfer(pipe); 151 149 152 const bool failed = failed_attempts > 0; 150 153 … … 156 159 if (failed) { 157 160 usb_log_error("Polling of device `%s' terminated: " 158 "recurring failures.\n", 159 usb_device_get_name(data->dev));161 "recurring failures.\n", ddf_dev_get_name( 162 data->dev->ddf_dev)); 160 163 } else { 161 164 usb_log_debug("Polling of device `%s' terminated: " 162 "driver request.\n", 163 usb_device_get_name(data->dev));165 "driver request.\n", ddf_dev_get_name( 166 data->dev->ddf_dev)); 164 167 } 165 168 } … … 172 175 } 173 176 174 175 177 /** Start automatic device polling over interrupt in pipe. 176 178 * 177 * The polling settings is copied thus it is okay to destroy the structure178 * after this function returns.179 * @warning It is up to the callback to produce delays between individual 180 * requests. 179 181 * 180 182 * @warning There is no guarantee when the request to the device … … 183 185 * 184 186 * @param dev Device to be periodically polled. 185 * @param epm Endpoint mapping to use.186 * @param polling Polling settings.187 * @param request_size How many bytes to ask for in each request.188 * @param arg Custom argument (passed as is to the callbacks).189 * @return Error code.190 * @retval EOK New fibril polling the device was already started.191 */192 static int usb_device_auto_polling_internal(usb_device_t *dev,193 usb_endpoint_mapping_t *epm, const usb_device_auto_polling_t *polling,194 size_t request_size)195 {196 if ((dev == NULL) || (polling == NULL) || (polling->on_data == NULL)) {197 return EBADMEM;198 }199 200 if (request_size == 0)201 return EINVAL;202 203 if (!epm || (epm->pipe.transfer_type != USB_TRANSFER_INTERRUPT) ||204 (epm->pipe.direction != USB_DIRECTION_IN))205 return EINVAL;206 207 208 polling_data_t *polling_data = malloc(sizeof(polling_data_t));209 if (polling_data == NULL) {210 return ENOMEM;211 }212 213 /* Fill-in the data. */214 polling_data->buffer = malloc(sizeof(request_size));215 if (polling_data->buffer == NULL) {216 free(polling_data);217 return ENOMEM;218 }219 polling_data->request_size = request_size;220 polling_data->dev = dev;221 polling_data->polling_mapping = epm;222 223 /* Copy provided settings. */224 polling_data->auto_polling = *polling;225 226 /* Negative value means use descriptor provided value. */227 if (polling->delay < 0) {228 polling_data->auto_polling.delay =229 epm->descriptor->poll_interval;230 }231 232 fid_t fibril = fibril_create(polling_fibril, polling_data);233 if (fibril == 0) {234 free(polling_data->buffer);235 free(polling_data);236 return ENOMEM;237 }238 fibril_add_ready(fibril);239 240 /* Fibril launched. That fibril will free the allocated data. */241 242 return EOK;243 }244 /** Start automatic device polling over interrupt in pipe.245 *246 * The polling settings is copied thus it is okay to destroy the structure247 * after this function returns.248 *249 * @warning There is no guarantee when the request to the device250 * will be sent for the first time (it is possible that this251 * first request would be executed prior to return from this function).252 *253 * @param dev Device to be periodically polled.254 187 * @param pipe_index Index of the endpoint pipe used for polling. 255 * @param polling Polling settings.256 * @param req_size How many bytes to ask for in each request.257 * @param arg Custom argument (passed as is to the callbacks).258 * @return Error code.259 * @retval EOK New fibril polling the device was already started.260 */261 int usb_device_auto_polling(usb_device_t *usb_dev, usb_endpoint_t ep,262 const usb_device_auto_polling_t *polling, size_t req_size)263 {264 usb_endpoint_mapping_t *epm = usb_device_get_mapped_ep(usb_dev, ep);265 return usb_device_auto_polling_internal(usb_dev, epm, polling, req_size);266 }267 268 /** Start automatic device polling over interrupt in pipe.269 *270 * @warning It is up to the callback to produce delays between individual271 * requests.272 *273 * @warning There is no guarantee when the request to the device274 * will be sent for the first time (it is possible that this275 * first request would be executed prior to return from this function).276 *277 * @param dev Device to be periodically polled.278 * @param ep Endpoint used for polling.279 188 * @param callback Callback when data are available. 280 189 * @param request_size How many bytes to ask for in each request. 281 * @param delay NUmber of ms to wait between queries, -1 to use descriptor val.282 190 * @param terminated_callback Callback when polling is terminated. 283 191 * @param arg Custom argument (passed as is to the callbacks). … … 285 193 * @retval EOK New fibril polling the device was already started. 286 194 */ 287 int usb_device_auto_poll(usb_device_t *dev, usb_endpoint_t ep,288 usb_polling_callback_t callback, size_t request_size, int delay,195 int usb_device_auto_poll(usb_device_t *dev, size_t pipe_index, 196 usb_polling_callback_t callback, size_t request_size, 289 197 usb_polling_terminted_callback_t terminated_callback, void *arg) 290 198 { … … 292 200 .debug = 1, 293 201 .auto_clear_halt = true, 294 .delay = delay,202 .delay = 0, 295 203 .max_failures = MAX_FAILED_ATTEMPTS, 296 204 .on_data = callback, … … 300 208 }; 301 209 302 usb_endpoint_mapping_t *epm = usb_device_get_mapped_ep(dev, ep); 303 return usb_device_auto_polling_internal( 304 dev, epm, &auto_polling, request_size); 210 return usb_device_auto_polling(dev, pipe_index, &auto_polling, 211 request_size); 305 212 } 306 213 307 int usb_device_auto_polling_desc(usb_device_t *usb_dev, 308 const usb_endpoint_description_t *desc, 309 const usb_device_auto_polling_t *polling, size_t req_size) 214 /** Start automatic device polling over interrupt in pipe. 215 * 216 * The polling settings is copied thus it is okay to destroy the structure 217 * after this function returns. 218 * 219 * @warning There is no guarantee when the request to the device 220 * will be sent for the first time (it is possible that this 221 * first request would be executed prior to return from this function). 222 * 223 * @param dev Device to be periodically polled. 224 * @param pipe_index Index of the endpoint pipe used for polling. 225 * @param polling Polling settings. 226 * @param request_size How many bytes to ask for in each request. 227 * @param arg Custom argument (passed as is to the callbacks). 228 * @return Error code. 229 * @retval EOK New fibril polling the device was already started. 230 */ 231 int usb_device_auto_polling(usb_device_t *dev, size_t pipe_index, 232 const usb_device_auto_polling_t *polling, 233 size_t request_size) 310 234 { 311 usb_endpoint_mapping_t *epm = 312 usb_device_get_mapped_ep_desc(usb_dev, desc); 313 return usb_device_auto_polling_internal(usb_dev, epm, polling, req_size); 314 } 315 316 int usb_device_auto_poll_desc(usb_device_t * usb_dev, 317 const usb_endpoint_description_t *desc, usb_polling_callback_t callback, 318 size_t req_size, int delay, 319 usb_polling_terminted_callback_t terminated_callback, void *arg) 320 { 321 const usb_device_auto_polling_t auto_polling = { 322 .debug = 1, 323 .auto_clear_halt = true, 324 .delay = delay, 325 .max_failures = MAX_FAILED_ATTEMPTS, 326 .on_data = callback, 327 .on_polling_end = terminated_callback, 328 .on_error = NULL, 329 .arg = arg, 330 }; 331 332 usb_endpoint_mapping_t *epm = 333 usb_device_get_mapped_ep_desc(usb_dev, desc); 334 return usb_device_auto_polling_internal( 335 usb_dev, epm, &auto_polling, req_size); 235 if ((dev == NULL) || (polling == NULL) || (polling->on_data == NULL)) { 236 return EBADMEM; 237 } 238 239 if (pipe_index >= dev->pipes_count || request_size == 0) { 240 return EINVAL; 241 } 242 if ((dev->pipes[pipe_index].pipe.transfer_type != USB_TRANSFER_INTERRUPT) 243 || (dev->pipes[pipe_index].pipe.direction != USB_DIRECTION_IN)) { 244 return EINVAL; 245 } 246 247 polling_data_t *polling_data = malloc(sizeof(polling_data_t)); 248 if (polling_data == NULL) { 249 return ENOMEM; 250 } 251 252 /* Fill-in the data. */ 253 polling_data->buffer = malloc(sizeof(request_size)); 254 if (polling_data->buffer == NULL) { 255 free(polling_data); 256 return ENOMEM; 257 } 258 polling_data->request_size = request_size; 259 polling_data->dev = dev; 260 polling_data->pipe_index = pipe_index; 261 262 /* Copy provided settings. */ 263 polling_data->auto_polling = *polling; 264 265 /* Negative value means use descriptor provided value. */ 266 if (polling->delay < 0) { 267 polling_data->auto_polling.delay = 268 (int) dev->pipes[pipe_index].descriptor->poll_interval; 269 } 270 271 fid_t fibril = fibril_create(polling_fibril, polling_data); 272 if (fibril == 0) { 273 free(polling_data->buffer); 274 free(polling_data); 275 return ENOMEM; 276 } 277 fibril_add_ready(fibril); 278 279 /* Fibril launched. That fibril will free the allocated data. */ 280 281 return EOK; 336 282 } 337 283
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