/**************************************************************************** FileName: usbcom.cpp Dependencies: See INCLUDES section Compiler: Visual Studio Community 2015 Company: Yepkit, Lda. Software License Agreement: Copyright (c) 2015 Yepkit Lda Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. ***************************************************************************** File Description: Change History: Rev Date Description ---- ----------- ----------------------------------------- 1.0 2015-09-11 First Release **************************************************************************** * Summary: * * Functions that communicate with the YKUSH board and/or provide * status information. * *****************************************************************************/ //------------------------------------------------------------------------- // INCLUDES //------------------------------------------------------------------------- #include #include #include #include #include #include "stdafx.h" #ifndef LINUX #include "windows\hidapi.h" #else #include "linux/hidapi.h" #endif #include "usbcom.h" using namespace std; //------------------------------------------------------------------------- // DEFINES //------------------------------------------------------------------------- #define VERSION "0.1.0" #define VENDOR_ID 0x04D8 #define PRODUCT_ID 0xF2F7 #define OLD_PRODUCT_ID 0x0042 /************************************************************************** * listDevices() - List YKUSH Devices Serial Number *------------------------------------------------------------------------- * * This function prints the iSerial of the * attached YKUSH devices. * **************************************************************************/ int listDevices() { // Enumerate and print the YKUSH devices on the system hid_device *handle; struct hid_device_info *devs, *cur_dev; devs = hid_enumerate(0x0, 0x0); if (devs == NULL) { //APAGAR // Limited Legaccy firmware support (does not work in all systems) //handle = hid_open(VENDOR_ID, OLD_PRODUCT_ID, NULL); //FIM APAGAR if (handle == NULL){ // No HID devices found printf("\nNo HID USB devices connected to this Host\n"); } } cur_dev = devs; while (cur_dev) { if ((cur_dev->vendor_id == VENDOR_ID) && (cur_dev->product_id == PRODUCT_ID)) { printf("YKUSH device found with Serial Number: %ls", cur_dev->serial_number); printf("\n"); printf(" Manufacturer: %ls\n", cur_dev->manufacturer_string); printf(" Product: %ls\n", cur_dev->product_string); printf("\n"); } else if ((cur_dev->vendor_id == VENDOR_ID) && (cur_dev->product_id == OLD_PRODUCT_ID)) { printf("YKUSH device found with Serial Number: %ls", cur_dev->serial_number); printf("\n"); printf(" Manufacturer: %ls\n", cur_dev->manufacturer_string); printf(" Product: %ls\n", cur_dev->product_string); printf(" NOTE: This is an old version of the firmware. If you have access to a PIC programmer contact Yepkit to get the latest version of the firmware."); printf("\n"); } cur_dev = cur_dev->next; } hid_free_enumeration(devs); return 0; } /******************************************************************************* * commandsBySerial(char* iSerial, char *cmd, char* resp, int num) - Sends commands to YKUSH board * ----------------------------------------------------------------------------- * * Description: * * All commands in the cmd array are send to the YKUSH board and the * response bytes are stored in the matching resp entry. If more than * one YKUSH board is connected to the host it will send the command * just to the first one that appears in the enumerated list. * * If there are more than one YKUSH board connected to the same host * the commandBySerial function should be used instead. * * Inputs: * * iSerial - Serial number of the YKUSH board to issue the command. * cmds - Command bytes to be sent to YKUSH. * resp - Array for storing response bytes * num - Number of entries in cmds and resp * * Outputs: * * The function will return the response byte or zero. * ********************************************************************************/ char commandsBySerial(char *iSerial, char *cmd, char *resp, int num) { int res; unsigned char buf[65]; unsigned char buf6[6]; bool isLegacy = false; #define MAX_STR 255 wchar_t wstr[MAX_STR]; hid_device *handle; int i; const size_t newsize = 100; wchar_t serial[newsize]; if (iSerial) { // Convert to a wchar_t* size_t origsize = strlen(iSerial) + 1; size_t convertedChars = 0; #ifndef LINUX mbstowcs_s(&convertedChars, serial, origsize, iSerial, _TRUNCATE); #else mbstowcs(serial, iSerial, newsize); #endif } // Open the YKUSH device handle = hid_open(VENDOR_ID, PRODUCT_ID, iSerial ? serial : NULL); if (handle == NULL) { // Limited Legaccy firmware support (does not work in all systems) handle = hid_open(VENDOR_ID, OLD_PRODUCT_ID, NULL); if (handle == NULL){ return 0; } isLegacy = true; } // Set the hid_read() function to be blocking (wait for response from YKUSH). hid_set_nonblocking(handle, 0); for (i = 0; i < num; i++) { // Send an Output report with the desired command if (isLegacy) { buf6[0] = 0; // First byte is report number buf6[1] = cmd[i]; // Command byte buf6[2] = cmd[i]; // Command confirm byte res = hid_write(handle, buf6, 6); } else { buf[0] = 0; // First byte is report number buf[1] = cmd[i]; // Command byte buf[2] = cmd[i]; // Command confirm byte res = hid_write(handle, buf, 65); } // Read response if (isLegacy) { res = hid_read(handle, buf, 6); } else { res = hid_read(handle, buf, 65); } if (res < 0) { printf("Unable to read YKUSH command response\n"); } if (res >= 1) { resp[i] = buf[1]; } } return 0; } /******************************************************************************* * commands(char *cmd, char* resp, int num) - Sends commands to YKUSH board * ----------------------------------------------------------------------------- * * Description: * * All commands in the cmd array are send to the YKUSH board and the * response bytes are stored in the matching resp entry. If more than * one YKUSH board is connected to the host it will send the command * just to the first one that appears in the enumerated list. * * If there are more than one YKUSH board connected to the same host * the commandBySerial function should be used instead. * * Inputs: * * cmds - Command bytes to be sent to YKUSH. * resp - Array for storing response bytes * num - Number of entries in cmds and resp * * Outputs: * * The function will return the response byte or zero. * ********************************************************************************/ char commands(char *cmd, char *resp, int num) { return commandsBySerial(NULL, cmd, resp, num); } /******************************************************************************* * commandBySerial(char *iSerial, char cmd) - Sends the command to YKUSH board * ----------------------------------------------------------------------------- * * Description: * * The command in the variable cmd is sent to YKUSH board. If more than * one YKUSH board is connected to the host it will send the command * just to the first one that appears in the enumerated list. * * If there are more than one YKUSH board connected to the same host * the commandBySerial function should be used instead. * * Inputs: * * iSerial - Serial number of the YKUSH board to issue the command. * cmd - Command byte to be sent to YKUSH. * * Outputs: * * The function will return the response byte or zero. * ********************************************************************************/ char commandBySerial(char *iSerial, char cmd) { char resp; commandsBySerial(iSerial, &cmd, &resp, 1); return resp; } /******************************************************************************* * command(char cmd) - Sends the command to YKUSH board * ----------------------------------------------------------------------------- * * Description: * * The command in the variable cmd is sent to YKUSH board. If more than * one YKUSH board is connected to the host it will send the command * just to the first one that appears in the enumerated list. * * If there are more than one YKUSH board connected to the same host * the commandBySerial function should be used instead. * * Inputs: * * cmd - Command byte to be sent to YKUSH. * * Outputs: * * The function will return the response byte. * ********************************************************************************/ char command(char cmd) { return commandBySerial(NULL, cmd); }