46  * @channels:		the channel info array
47  * @num_channels:	number of channels
49  * Has the side effect of filling the channels[i].location values used
52 int size_from_channelarray(struct iio_channel_info *channels, int num_channels)  in size_from_channelarray()  argument
58 		if (bytes % channels[i].bytes == 0)  in size_from_channelarray()
59 			channels[i].location = bytes;  in size_from_channelarray()
61 			channels[i].location = bytes - bytes % channels[i].bytes  in size_from_channelarray()
62 					       + channels[i].bytes;  in size_from_channelarray()
64 		bytes = channels[i].location + channels[i].bytes;  in size_from_channelarray()
165  * @channels:		information about the channels.
168  * @num_channels:	number of channels
171 		  struct iio_channel_info *channels,  in process_scan()  argument
177 		switch (channels[k].bytes) {  in process_scan()
180 			print1byte(*(uint8_t *)(data + channels[k].location),  in process_scan()
181 				   &channels[k]);  in process_scan()
184 			print2byte(*(uint16_t *)(data + channels[k].location),  in process_scan()
185 				   &channels[k]);  in process_scan()
188 			print4byte(*(uint32_t *)(data + channels[k].location),  in process_scan()
189 				   &channels[k]);  in process_scan()
192 			print8byte(*(uint64_t *)(data + channels[k].location),  in process_scan()
193 				   &channels[k]);  in process_scan()
214 		fprintf(stderr, "Enabling/disabling channels: can't open %s\n",  in enable_disable_all_channels()
234 		perror("Enabling/disabling channels: "  in enable_disable_all_channels()
245 		"  -a         Auto-activate all available channels\n"  in print_usage()
246 		"  -A         Force-activate ALL channels\n"  in print_usage()
288 	/* Disable channels if auto-enabled */  in cleanup()
292 			fprintf(stderr, "Failed to disable all channels\n");  in cleanup()
352 	struct iio_channel_info *channels = NULL;  in main()  local
519 	 * Parse the files in scan_elements to identify what channels are  in main()
522 	ret = build_channel_array(dev_dir_name, &channels, &num_channels);  in main()
530 		fprintf(stderr, "Auto-channels selected but some channels "  in main()
532 		fprintf(stderr, "Proceeding without activating any channels\n");  in main()
537 		fprintf(stderr, "Enabling all channels\n");  in main()
541 			fprintf(stderr, "Failed to enable all channels\n");  in main()
545 		/* This flags that we need to disable the channels again */  in main()
548 		ret = build_channel_array(dev_dir_name, &channels,  in main()
557 			fprintf(stderr, "Still no channels after "  in main()
565 			"No channels are enabled, we have nothing to scan.\n");  in main()
566 		fprintf(stderr, "Enable channels manually in "  in main()
568 			"/*_en or pass -a to autoenable channels and "  in main()
615 	scan_size = size_from_channelarray(channels, num_channels);  in main()
667 			process_scan(data + scan_size * i, channels,  in main()
680 		free(channels[i].name);  in main()
681 		free(channels[i].generic_name);  in main()
683 	free(channels);  in main()