rmihidtool/main.cpp - platform/external/rmi4utils - Git at Google

 /*
  * Copyright (C) 2013 - 2014 Andrew Duggan
  * Copyright (C) 2013 - 2014 Synaptics Inc
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
  *
  *      http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */

 #include <stdio.h>
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <fcntl.h>
 #include <dirent.h>
 #include <errno.h>
 #include <string.h>
 #include <unistd.h>
 #include <sys/ioctl.h>
 #include <sys/select.h>
 #include <getopt.h>

 #include <linux/types.h>
 #include <linux/input.h>
 #include <linux/hidraw.h>
 #include <signal.h>
 #include <stdlib.h>

 #include "hiddevice.h"

 #define RMI4UPDATE_GETOPTS      "hp:ir:w:foambd:ecnt:"

  enum rmihidtool_cmd {
 	RMIHIDTOOL_CMD_INTERACTIVE,
 	RMIHIDTOOL_CMD_READ,
 	RMIHIDTOOL_CMD_WRITE,
 	RMIHIDTOOL_CMD_FW_ID,
 	RMIHIDTOOL_CMD_CF_ID,
 	RMIHIDTOOL_CMD_PROPS,
 	RMIHIDTOOL_CMD_ATTN,
 	RMIHIDTOOL_CMD_PRINT_FUNCTIONS,
 	RMIHIDTOOL_CMD_REBIND_DRIVER,
 	RMIHIDTOOL_CMD_PRINT_DEVICE_INFO,
 	RMIHIDTOOL_CMD_RESET_DEVICE,
 };

 static int report_attn = 0;
 static RMIDevice * g_device = NULL;

 void print_help(const char *prog_name)
 {
 	fprintf(stdout, "Usage: %s [OPTIONS] DEVICEFILE\n", prog_name);
 	fprintf(stdout, "\t-h, --help\t\t\t\tPrint this message\n");
 	fprintf(stdout, "\t-d, --device\t\t\t\thidraw device file associated with the device.\n");
 	fprintf(stdout, "\t-p, --protocol [protocol]\t\tSet which transport prototocl to use.\n");
 	fprintf(stdout, "\t-i, --interactive\t\t\tRun in interactive mode.\n");
 	fprintf(stdout, "\t-r, --read [address] [length]\t\tRead registers starting at the address.\n");
 	fprintf(stdout, "\t-w, --write [address] [length] [data]\tWrite registers starting at the address.\n");
 	fprintf(stdout, "\t-f, --firmware-id\t\t\tPrint the firmware id\n");
 	fprintf(stdout, "\t-c, --config-id\t\t\t\tPrint the config id\n");
 	fprintf(stdout, "\t-o, --props\t\t\t\tPrint device properties\n");
 	fprintf(stdout, "\t-a, --attention\t\t\t\tPrint attention reports until control + c\n");
 	fprintf(stdout, "\t-m, --print-functions\t\t\tPrint RMI4 functions for the device.\n");
 	fprintf(stdout, "\t-b, --rebind-driver\t\t\tRebind the driver to force an update of device properties.\n");
 	fprintf(stdout, "\t-n, --device-info\t\t\tPrint protocol specific information about the device.\n");
 	fprintf(stdout, "\t-e, --reset-device\t\t\tReset the device.\n");
 	fprintf(stdout, "\t-t, --device-type\t\t\tFilter by device type [touchpad or touchscreen].\n");
 }

 void print_cmd_usage()
 {
 	fprintf(stdout, "Commands:\n");
 	fprintf(stdout, "s [0,1,2]: Set RMIMode\n");
 	fprintf(stdout, "r address size: read size bytes from address\n");
 	fprintf(stdout, "w address { values }: write bytes to address\n");
 	fprintf(stdout, "a: Wait for attention\n");
 	fprintf(stdout, "q: quit\n");
 }

 int find_token(char * input, char * result, size_t result_len, char ** endpp)
 {
 	int i = 0;
 	char * start = input;
 	char * end;

 	while (input[i] == ' ') {
 		++start;
 		++i;
 	}

 	while (input[i] != '\0') {
 		if (input[++i] == ' ')
 			break;
 	}
 	end = &input[i];

 	if (start == end)
 		return 0;

 	*endpp = end;
 	if (static_cast<ssize_t>(result_len) < end - start + 1)
 		return 0;
 	strncpy(result, start, end - start);
 	result[end - start] = '\0';

 	return 1;
 }

 void interactive(RMIDevice * device, unsigned char *report)
 {
 	char token[256];
 	char * start;
 	char * end;
 	int rc;

 	for (;;) {
 		fprintf(stdout, "\n");
 		device->PrintDeviceInfo();
 		fprintf(stdout, "\n");
 		print_cmd_usage();
 		char input[256];

 		if (fgets(input, 256, stdin)) {
 			memset(token, 0, 256);

 			if (input[0] == 's') {
 				start = input + 2;
 				find_token(start, token, sizeof(token), &end);
 				int mode = strtol(token, NULL, 0);
 				if (mode >= 0 && mode <= 2) {
 					if (device->SetMode(mode)) {
 						fprintf(stderr, "Set RMI Mode to: %d\n", mode);
 					} else {
 						fprintf(stderr, "Set RMI Mode FAILED!\n");
 						continue;
 					}
 				}
 			} else if (input[0] == 'r') {
 				start = input + 2;
 				find_token(start, token, sizeof(token), &end);
 				start = end + 1;
 				unsigned int addr = strtol(token, NULL, 0);
 				find_token(start, token, sizeof(token), &end);
 				start = end + 1;
 				unsigned int len = strtol(token, NULL, 0);
 				fprintf(stdout, "Address = 0x%02x Length = %d\n", addr, len);

 				memset(report, 0, 256);
 				rc = device->Read(addr, report, len);
 				if (rc < 0)
 					fprintf(stderr, "Failed to read report: %d\n", rc);
 				print_buffer(report, len);
 			} else if (input[0] == 'w') {
 				int index = 0;
 				start = input + 2;
 				find_token(start, token, sizeof(token), &end);
 				start = end + 1;
 				unsigned int addr = strtol(token, NULL, 0);
 				unsigned int len = 0;

 				memset(report, 0, 256);
 				while (find_token(start, token, sizeof(token), &end)) {
 					start = end;
 					report[index++] = strtol(token, NULL, 0);
 					++len;
 				}

 				if (device->Write(addr, report, len) < 0) {
 					fprintf(stderr, "Failed to Write Report\n");
 					continue;
 				}
 			} else if (input[0] == 'a') {
 				unsigned int bytes = 256;
 				device->GetAttentionReport(NULL,
 						RMI_INTERUPT_SOURCES_ALL_MASK,
 						report, &bytes);
 				print_buffer(report, bytes);
 			} else if (input[0] == 'q') {
 				return;
 			} else {
 				print_cmd_usage();
 			}
 		}
 	}
 }

 static void cleanup(int status)
 {
 	if (report_attn) {
 		report_attn = 0;
 		if (g_device)
 			g_device->Cancel();
 	} else {
 		exit(0);
 	}
 }

 int main(int argc, char ** argv)
 {
 	int rc;
 	struct sigaction sig_cleanup_action;
 	int opt;
 	int index;
 	char *deviceName = NULL;
 	RMIDevice *device;
 	const char *protocol = "HID";
 	unsigned char report[256];
 	char token[256];
 	enum RMIDeviceType deviceType = RMI_DEVICE_TYPE_ANY;
 	static struct option long_options[] = {
 		{"help", 0, NULL, 'h'},
 		{"device", 1, NULL, 'd'},
 		{"protocol", 1, NULL, 'p'},
 		{"interactive", 0, NULL, 'i'},
 		{"read", 1, NULL, 'r'},
 		{"write", 1, NULL, 'w'},
 		{"firmware-id", 0, NULL, 'f'},
 		{"config-id", 0, NULL, 'c'},
 		{"props", 0, NULL, 'o'},
 		{"attention", 0, NULL, 'a'},
 		{"print-functions", 0, NULL, 'm'},
 		{"rebind-driver", 0, NULL, 'b'},
 		{"device-info", 0, NULL, 'n'},
 		{"reset-device", 0, NULL, 'e'},
 		{"device-type", 1, NULL, 't'},
 		{0, 0, 0, 0},
 	};
 	enum rmihidtool_cmd cmd = RMIHIDTOOL_CMD_INTERACTIVE;
 	unsigned int addr = 0;
 	unsigned int len = 0;
 	char * data = NULL;
 	char * start;
 	char * end;
 	int i = 0;

 	memset(&sig_cleanup_action, 0, sizeof(struct sigaction));
 	sig_cleanup_action.sa_handler = cleanup;
 	sig_cleanup_action.sa_flags = SA_RESTART;
 	sigaction(SIGINT, &sig_cleanup_action, NULL);

 	while ((opt = getopt_long(argc, argv, RMI4UPDATE_GETOPTS, long_options, &index)) != -1) {
 		switch (opt) {
 			case 'h':
 				print_help(argv[0]);
 				return 0;
 			case 'p':
 				protocol = optarg;
 				break;
 			case 'd':
 				deviceName = optarg;
 				break;
 			case 'i':
 				cmd = RMIHIDTOOL_CMD_INTERACTIVE;
 				break;
 			case 'r':
 				cmd = RMIHIDTOOL_CMD_READ;
 				addr = strtol(optarg, NULL, 0);
 				len = strtol(argv[optind++], NULL, 0);
 				break;
 			case 'w':
 				cmd = RMIHIDTOOL_CMD_WRITE;
 				addr = strtol(optarg, NULL, 0);
 				data = argv[optind++];
 				break;
 			case 'f':
 				cmd = RMIHIDTOOL_CMD_FW_ID;
 				break;
 			case 'c':
 				cmd = RMIHIDTOOL_CMD_CF_ID;
 				break;
 			case 'o':
 				cmd = RMIHIDTOOL_CMD_PROPS;
 				break;
 			case 'a':
 				cmd = RMIHIDTOOL_CMD_ATTN;
 				break;
 			case 'm':
 				cmd = RMIHIDTOOL_CMD_PRINT_FUNCTIONS;
 				break;
 			case 'b':
 				cmd = RMIHIDTOOL_CMD_REBIND_DRIVER;
 				break;
 			case 'n':
 				cmd = RMIHIDTOOL_CMD_PRINT_DEVICE_INFO;
 				break;
 			case 'e':
 				cmd = RMIHIDTOOL_CMD_RESET_DEVICE;
 				break;
 			case 't':
 				if (!strcasecmp(optarg, "touchpad"))
 					deviceType = RMI_DEVICE_TYPE_TOUCHPAD;
 				else if (!strcasecmp(optarg, "touchscreen"))
 					deviceType = RMI_DEVICE_TYPE_TOUCHSCREEN;
 				break;
 			default:
 				print_help(argv[0]);
 				return 0;
 				break;

 		}
 	}

 	if (!strncasecmp("hid", protocol, 3)) {
 		device = new HIDDevice();
 	} else {
 		fprintf(stderr, "Invalid Protocol: %s\n", protocol);
 		return -1;
 	}

 	if (optind != argc) {
 		print_help(argv[0]);
 		return -1;
 	}

 	if (deviceName) {
 		rc = device->Open(deviceName);
 		if (rc) {
 			fprintf(stderr, "%s: failed to initialize rmi device (%d): %s\n", argv[0], errno,
 				strerror(errno));
 			return 1;
 		}
 	} else {
 		if (!device->FindDevice(deviceType))
 			return -1;
 	}

 	g_device = device;

 	switch (cmd) {
 		case RMIHIDTOOL_CMD_READ:
 			memset(report, 0, sizeof(report));
 			rc = device->Read(addr, report, len);
 			if (rc < 0)
 				fprintf(stderr, "Failed to read report: %d\n", rc);

 			print_buffer(report, len);
 			break;
 		case RMIHIDTOOL_CMD_WRITE:
 			i = 0;
 			start = data;
 			memset(report, 0, sizeof(report));
 			while (find_token(start, token, sizeof(token), &end)) {
 				start = end;
 				report[i++] = (unsigned char)strtol(token, NULL, 0);
 				++len;
 			}

 			if (device->Write(addr, report, len) < 0) {
 				fprintf(stderr, "Failed to Write Report\n");
 				return -1;
 			}
 			break;
 		case RMIHIDTOOL_CMD_FW_ID:
 			device->ScanPDT();
 			device->QueryBasicProperties();
 			fprintf(stdout, "firmware id: %lu\n", device->GetFirmwareID());
 			break;
 		case RMIHIDTOOL_CMD_CF_ID:
 			device->ScanPDT();
 			device->QueryBasicProperties();
 			fprintf(stdout, "config id: %08lx\n", device->GetConfigID());
 			break;
 		case RMIHIDTOOL_CMD_PROPS:
 			device->ScanPDT();
 			device->QueryBasicProperties();
 			device->PrintProperties();
 			break;
 		case RMIHIDTOOL_CMD_ATTN:
 			report_attn = 1;
 			while(report_attn) {
 				unsigned int bytes = 256;
 				rc = device->GetAttentionReport(NULL,
 						RMI_INTERUPT_SOURCES_ALL_MASK,
 						report, &bytes);
 				if (rc > 0) {
 					print_buffer(report, bytes);
 					fprintf(stdout, "\n");
 				}
 			}
 			break;
 		case RMIHIDTOOL_CMD_PRINT_FUNCTIONS:
 			device->ScanPDT();
 			device->PrintFunctions();
 			break;
 		case RMIHIDTOOL_CMD_REBIND_DRIVER:
 			device->RebindDriver();
 			break;
 		case RMIHIDTOOL_CMD_PRINT_DEVICE_INFO:
 			device->PrintDeviceInfo();
 			break;
 		case RMIHIDTOOL_CMD_RESET_DEVICE:
 			device->ScanPDT();
 			device->Reset();
 			break;
 		case RMIHIDTOOL_CMD_INTERACTIVE:
 		default:
 			interactive(device, report);
 			break;
 	}

 	device->Close();

 	return 0;
 }
	/*
	* Copyright (C) 2013 - 2014 Andrew Duggan
	* Copyright (C) 2013 - 2014 Synaptics Inc
	*
	* Licensed under the Apache License, Version 2.0 (the "License");
	* you may not use this file except in compliance with the License.
	* You may obtain a copy of the License at
	*
	* http://www.apache.org/licenses/LICENSE-2.0
	*
	* Unless required by applicable law or agreed to in writing, software
	* distributed under the License is distributed on an "AS IS" BASIS,
	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	* See the License for the specific language governing permissions and
	* limitations under the License.
	*/

	#include <stdio.h>
	#include <sys/types.h>
	#include <sys/stat.h>
	#include <fcntl.h>
	#include <dirent.h>
	#include <errno.h>
	#include <string.h>
	#include <unistd.h>
	#include <sys/ioctl.h>
	#include <sys/select.h>
	#include <getopt.h>

	#include <linux/types.h>
	#include <linux/input.h>
	#include <linux/hidraw.h>
	#include <signal.h>
	#include <stdlib.h>

	#include "hiddevice.h"

	#define RMI4UPDATE_GETOPTS "hp:ir:w:foambd:ecnt:"

	enum rmihidtool_cmd {
	RMIHIDTOOL_CMD_INTERACTIVE,
	RMIHIDTOOL_CMD_READ,
	RMIHIDTOOL_CMD_WRITE,
	RMIHIDTOOL_CMD_FW_ID,
	RMIHIDTOOL_CMD_CF_ID,
	RMIHIDTOOL_CMD_PROPS,
	RMIHIDTOOL_CMD_ATTN,
	RMIHIDTOOL_CMD_PRINT_FUNCTIONS,
	RMIHIDTOOL_CMD_REBIND_DRIVER,
	RMIHIDTOOL_CMD_PRINT_DEVICE_INFO,
	RMIHIDTOOL_CMD_RESET_DEVICE,
	};

	static int report_attn = 0;
	static RMIDevice * g_device = NULL;

	void print_help(const char *prog_name)
	{
	fprintf(stdout, "Usage: %s [OPTIONS] DEVICEFILE\n", prog_name);
	fprintf(stdout, "\t-h, --help\t\t\t\tPrint this message\n");
	fprintf(stdout, "\t-d, --device\t\t\t\thidraw device file associated with the device.\n");
	fprintf(stdout, "\t-p, --protocol [protocol]\t\tSet which transport prototocl to use.\n");
	fprintf(stdout, "\t-i, --interactive\t\t\tRun in interactive mode.\n");
	fprintf(stdout, "\t-r, --read [address] [length]\t\tRead registers starting at the address.\n");
	fprintf(stdout, "\t-w, --write [address] [length] [data]\tWrite registers starting at the address.\n");
	fprintf(stdout, "\t-f, --firmware-id\t\t\tPrint the firmware id\n");
	fprintf(stdout, "\t-c, --config-id\t\t\t\tPrint the config id\n");
	fprintf(stdout, "\t-o, --props\t\t\t\tPrint device properties\n");
	fprintf(stdout, "\t-a, --attention\t\t\t\tPrint attention reports until control + c\n");
	fprintf(stdout, "\t-m, --print-functions\t\t\tPrint RMI4 functions for the device.\n");
	fprintf(stdout, "\t-b, --rebind-driver\t\t\tRebind the driver to force an update of device properties.\n");
	fprintf(stdout, "\t-n, --device-info\t\t\tPrint protocol specific information about the device.\n");
	fprintf(stdout, "\t-e, --reset-device\t\t\tReset the device.\n");
	fprintf(stdout, "\t-t, --device-type\t\t\tFilter by device type [touchpad or touchscreen].\n");
	}

	void print_cmd_usage()
	{
	fprintf(stdout, "Commands:\n");
	fprintf(stdout, "s [0,1,2]: Set RMIMode\n");
	fprintf(stdout, "r address size: read size bytes from address\n");
	fprintf(stdout, "w address { values }: write bytes to address\n");
	fprintf(stdout, "a: Wait for attention\n");
	fprintf(stdout, "q: quit\n");
	}

	int find_token(char * input, char * result, size_t result_len, char ** endpp)
	{
	int i = 0;
	char * start = input;
	char * end;

	while (input[i] == ' ') {
	++start;
	++i;
	}

	while (input[i] != '\0') {
	if (input[++i] == ' ')
	break;
	}
	end = &input[i];

	if (start == end)
	return 0;

	*endpp = end;
	if (static_cast<ssize_t>(result_len) < end - start + 1)
	return 0;
	strncpy(result, start, end - start);
	result[end - start] = '\0';

	return 1;
	}

	void interactive(RMIDevice * device, unsigned char *report)
	{
	char token[256];
	char * start;
	char * end;
	int rc;

	for (;;) {
	fprintf(stdout, "\n");
	device->PrintDeviceInfo();
	fprintf(stdout, "\n");
	print_cmd_usage();
	char input[256];

	if (fgets(input, 256, stdin)) {
	memset(token, 0, 256);

	if (input[0] == 's') {
	start = input + 2;
	find_token(start, token, sizeof(token), &end);
	int mode = strtol(token, NULL, 0);
	if (mode >= 0 && mode <= 2) {
	if (device->SetMode(mode)) {
	fprintf(stderr, "Set RMI Mode to: %d\n", mode);
	} else {
	fprintf(stderr, "Set RMI Mode FAILED!\n");
	continue;
	}
	}
	} else if (input[0] == 'r') {
	start = input + 2;
	find_token(start, token, sizeof(token), &end);
	start = end + 1;
	unsigned int addr = strtol(token, NULL, 0);
	find_token(start, token, sizeof(token), &end);
	start = end + 1;
	unsigned int len = strtol(token, NULL, 0);
	fprintf(stdout, "Address = 0x%02x Length = %d\n", addr, len);

	memset(report, 0, 256);
	rc = device->Read(addr, report, len);
	if (rc < 0)
	fprintf(stderr, "Failed to read report: %d\n", rc);
	print_buffer(report, len);
	} else if (input[0] == 'w') {
	int index = 0;
	start = input + 2;
	find_token(start, token, sizeof(token), &end);
	start = end + 1;
	unsigned int addr = strtol(token, NULL, 0);
	unsigned int len = 0;

	memset(report, 0, 256);
	while (find_token(start, token, sizeof(token), &end)) {
	start = end;
	report[index++] = strtol(token, NULL, 0);
	++len;
	}

	if (device->Write(addr, report, len) < 0) {
	fprintf(stderr, "Failed to Write Report\n");
	continue;
	}
	} else if (input[0] == 'a') {
	unsigned int bytes = 256;
	device->GetAttentionReport(NULL,
	RMI_INTERUPT_SOURCES_ALL_MASK,
	report, &bytes);
	print_buffer(report, bytes);
	} else if (input[0] == 'q') {
	return;
	} else {
	print_cmd_usage();
	}
	}
	}
	}

	static void cleanup(int status)
	{
	if (report_attn) {
	report_attn = 0;
	if (g_device)
	g_device->Cancel();
	} else {
	exit(0);
	}
	}

	int main(int argc, char ** argv)
	{
	int rc;
	struct sigaction sig_cleanup_action;
	int opt;
	int index;
	char *deviceName = NULL;
	RMIDevice *device;
	const char *protocol = "HID";
	unsigned char report[256];
	char token[256];
	enum RMIDeviceType deviceType = RMI_DEVICE_TYPE_ANY;
	static struct option long_options[] = {
	{"help", 0, NULL, 'h'},
	{"device", 1, NULL, 'd'},
	{"protocol", 1, NULL, 'p'},
	{"interactive", 0, NULL, 'i'},
	{"read", 1, NULL, 'r'},
	{"write", 1, NULL, 'w'},
	{"firmware-id", 0, NULL, 'f'},
	{"config-id", 0, NULL, 'c'},
	{"props", 0, NULL, 'o'},
	{"attention", 0, NULL, 'a'},
	{"print-functions", 0, NULL, 'm'},
	{"rebind-driver", 0, NULL, 'b'},
	{"device-info", 0, NULL, 'n'},
	{"reset-device", 0, NULL, 'e'},
	{"device-type", 1, NULL, 't'},
	{0, 0, 0, 0},
	};
	enum rmihidtool_cmd cmd = RMIHIDTOOL_CMD_INTERACTIVE;
	unsigned int addr = 0;
	unsigned int len = 0;
	char * data = NULL;
	char * start;
	char * end;
	int i = 0;

	memset(&sig_cleanup_action, 0, sizeof(struct sigaction));
	sig_cleanup_action.sa_handler = cleanup;
	sig_cleanup_action.sa_flags = SA_RESTART;
	sigaction(SIGINT, &sig_cleanup_action, NULL);

	while ((opt = getopt_long(argc, argv, RMI4UPDATE_GETOPTS, long_options, &index)) != -1) {
	switch (opt) {
	case 'h':
	print_help(argv[0]);
	return 0;
	case 'p':
	protocol = optarg;
	break;
	case 'd':
	deviceName = optarg;
	break;
	case 'i':
	cmd = RMIHIDTOOL_CMD_INTERACTIVE;
	break;
	case 'r':
	cmd = RMIHIDTOOL_CMD_READ;
	addr = strtol(optarg, NULL, 0);
	len = strtol(argv[optind++], NULL, 0);
	break;
	case 'w':
	cmd = RMIHIDTOOL_CMD_WRITE;
	addr = strtol(optarg, NULL, 0);
	data = argv[optind++];
	break;
	case 'f':
	cmd = RMIHIDTOOL_CMD_FW_ID;
	break;
	case 'c':
	cmd = RMIHIDTOOL_CMD_CF_ID;
	break;
	case 'o':
	cmd = RMIHIDTOOL_CMD_PROPS;
	break;
	case 'a':
	cmd = RMIHIDTOOL_CMD_ATTN;
	break;
	case 'm':
	cmd = RMIHIDTOOL_CMD_PRINT_FUNCTIONS;
	break;
	case 'b':
	cmd = RMIHIDTOOL_CMD_REBIND_DRIVER;
	break;
	case 'n':
	cmd = RMIHIDTOOL_CMD_PRINT_DEVICE_INFO;
	break;
	case 'e':
	cmd = RMIHIDTOOL_CMD_RESET_DEVICE;
	break;
	case 't':
	if (!strcasecmp(optarg, "touchpad"))
	deviceType = RMI_DEVICE_TYPE_TOUCHPAD;
	else if (!strcasecmp(optarg, "touchscreen"))
	deviceType = RMI_DEVICE_TYPE_TOUCHSCREEN;
	break;
	default:
	print_help(argv[0]);
	return 0;
	break;

	}
	}

	if (!strncasecmp("hid", protocol, 3)) {
	device = new HIDDevice();
	} else {
	fprintf(stderr, "Invalid Protocol: %s\n", protocol);
	return -1;
	}

	if (optind != argc) {
	print_help(argv[0]);
	return -1;
	}

	if (deviceName) {
	rc = device->Open(deviceName);
	if (rc) {
	fprintf(stderr, "%s: failed to initialize rmi device (%d): %s\n", argv[0], errno,
	strerror(errno));
	return 1;
	}
	} else {
	if (!device->FindDevice(deviceType))
	return -1;
	}

	g_device = device;

	switch (cmd) {
	case RMIHIDTOOL_CMD_READ:
	memset(report, 0, sizeof(report));
	rc = device->Read(addr, report, len);
	if (rc < 0)
	fprintf(stderr, "Failed to read report: %d\n", rc);

	print_buffer(report, len);
	break;
	case RMIHIDTOOL_CMD_WRITE:
	i = 0;
	start = data;
	memset(report, 0, sizeof(report));
	while (find_token(start, token, sizeof(token), &end)) {
	start = end;
	report[i++] = (unsigned char)strtol(token, NULL, 0);
	++len;
	}

	if (device->Write(addr, report, len) < 0) {
	fprintf(stderr, "Failed to Write Report\n");
	return -1;
	}
	break;
	case RMIHIDTOOL_CMD_FW_ID:
	device->ScanPDT();
	device->QueryBasicProperties();
	fprintf(stdout, "firmware id: %lu\n", device->GetFirmwareID());
	break;
	case RMIHIDTOOL_CMD_CF_ID:
	device->ScanPDT();
	device->QueryBasicProperties();
	fprintf(stdout, "config id: %08lx\n", device->GetConfigID());
	break;
	case RMIHIDTOOL_CMD_PROPS:
	device->ScanPDT();
	device->QueryBasicProperties();
	device->PrintProperties();
	break;
	case RMIHIDTOOL_CMD_ATTN:
	report_attn = 1;
	while(report_attn) {
	unsigned int bytes = 256;
	rc = device->GetAttentionReport(NULL,
	RMI_INTERUPT_SOURCES_ALL_MASK,
	report, &bytes);
	if (rc > 0) {
	print_buffer(report, bytes);
	fprintf(stdout, "\n");
	}
	}
	break;
	case RMIHIDTOOL_CMD_PRINT_FUNCTIONS:
	device->ScanPDT();
	device->PrintFunctions();
	break;
	case RMIHIDTOOL_CMD_REBIND_DRIVER:
	device->RebindDriver();
	break;
	case RMIHIDTOOL_CMD_PRINT_DEVICE_INFO:
	device->PrintDeviceInfo();
	break;
	case RMIHIDTOOL_CMD_RESET_DEVICE:
	device->ScanPDT();
	device->Reset();
	break;
	case RMIHIDTOOL_CMD_INTERACTIVE:
	default:
	interactive(device, report);
	break;
	}

	device->Close();

	return 0;
	}