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Externals: add hidapi
Current master (d17db57b9d4354752e0af42f5f33007a42ef2906) because Android support was added after the current release (0.8.0-rc1).
This commit is contained in:
194
Externals/hidapi/hidtest/hidtest.cpp
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194
Externals/hidapi/hidtest/hidtest.cpp
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/*******************************************************
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Windows HID simplification
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Alan Ott
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Signal 11 Software
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8/22/2009
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Copyright 2009
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This contents of this file may be used by anyone
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for any reason without any conditions and may be
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used as a starting point for your own applications
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which use HIDAPI.
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********************************************************/
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#include <stdio.h>
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#include <wchar.h>
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#include <string.h>
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#include <stdlib.h>
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#include "hidapi.h"
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// Headers needed for sleeping.
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#ifdef _WIN32
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#include <windows.h>
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#else
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#include <unistd.h>
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#endif
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int main(int argc, char* argv[])
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{
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int res;
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unsigned char buf[256];
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#define MAX_STR 255
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wchar_t wstr[MAX_STR];
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hid_device *handle;
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int i;
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#ifdef WIN32
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UNREFERENCED_PARAMETER(argc);
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UNREFERENCED_PARAMETER(argv);
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#endif
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struct hid_device_info *devs, *cur_dev;
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if (hid_init())
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return -1;
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devs = hid_enumerate(0x0, 0x0);
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cur_dev = devs;
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while (cur_dev) {
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printf("Device Found\n type: %04hx %04hx\n path: %s\n serial_number: %ls", cur_dev->vendor_id, cur_dev->product_id, cur_dev->path, cur_dev->serial_number);
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printf("\n");
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printf(" Manufacturer: %ls\n", cur_dev->manufacturer_string);
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printf(" Product: %ls\n", cur_dev->product_string);
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printf(" Release: %hx\n", cur_dev->release_number);
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printf(" Interface: %d\n", cur_dev->interface_number);
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printf("\n");
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cur_dev = cur_dev->next;
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}
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hid_free_enumeration(devs);
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// Set up the command buffer.
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memset(buf,0x00,sizeof(buf));
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buf[0] = 0x01;
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buf[1] = 0x81;
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// Open the device using the VID, PID,
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// and optionally the Serial number.
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////handle = hid_open(0x4d8, 0x3f, L"12345");
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handle = hid_open(0x4d8, 0x3f, NULL);
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if (!handle) {
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printf("unable to open device\n");
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return 1;
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}
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// Read the Manufacturer String
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wstr[0] = 0x0000;
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res = hid_get_manufacturer_string(handle, wstr, MAX_STR);
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if (res < 0)
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printf("Unable to read manufacturer string\n");
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printf("Manufacturer String: %ls\n", wstr);
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// Read the Product String
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wstr[0] = 0x0000;
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res = hid_get_product_string(handle, wstr, MAX_STR);
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if (res < 0)
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printf("Unable to read product string\n");
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printf("Product String: %ls\n", wstr);
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// Read the Serial Number String
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wstr[0] = 0x0000;
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res = hid_get_serial_number_string(handle, wstr, MAX_STR);
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if (res < 0)
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printf("Unable to read serial number string\n");
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printf("Serial Number String: (%d) %ls", wstr[0], wstr);
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printf("\n");
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// Read Indexed String 1
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wstr[0] = 0x0000;
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res = hid_get_indexed_string(handle, 1, wstr, MAX_STR);
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if (res < 0)
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printf("Unable to read indexed string 1\n");
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printf("Indexed String 1: %ls\n", wstr);
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// Set the hid_read() function to be non-blocking.
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hid_set_nonblocking(handle, 1);
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// Try to read from the device. There shoud be no
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// data here, but execution should not block.
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res = hid_read(handle, buf, 17);
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// Send a Feature Report to the device
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buf[0] = 0x2;
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buf[1] = 0xa0;
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buf[2] = 0x0a;
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buf[3] = 0x00;
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buf[4] = 0x00;
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res = hid_send_feature_report(handle, buf, 17);
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if (res < 0) {
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printf("Unable to send a feature report.\n");
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}
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memset(buf,0,sizeof(buf));
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// Read a Feature Report from the device
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buf[0] = 0x2;
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res = hid_get_feature_report(handle, buf, sizeof(buf));
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if (res < 0) {
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printf("Unable to get a feature report.\n");
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printf("%ls", hid_error(handle));
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}
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else {
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// Print out the returned buffer.
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printf("Feature Report\n ");
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for (i = 0; i < res; i++)
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printf("%02hhx ", buf[i]);
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printf("\n");
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}
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memset(buf,0,sizeof(buf));
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// Toggle LED (cmd 0x80). The first byte is the report number (0x1).
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buf[0] = 0x1;
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buf[1] = 0x80;
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res = hid_write(handle, buf, 17);
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if (res < 0) {
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printf("Unable to write()\n");
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printf("Error: %ls\n", hid_error(handle));
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}
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// Request state (cmd 0x81). The first byte is the report number (0x1).
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buf[0] = 0x1;
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buf[1] = 0x81;
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hid_write(handle, buf, 17);
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if (res < 0)
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printf("Unable to write() (2)\n");
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// Read requested state. hid_read() has been set to be
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// non-blocking by the call to hid_set_nonblocking() above.
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// This loop demonstrates the non-blocking nature of hid_read().
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res = 0;
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while (res == 0) {
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res = hid_read(handle, buf, sizeof(buf));
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if (res == 0)
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printf("waiting...\n");
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if (res < 0)
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printf("Unable to read()\n");
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#ifdef WIN32
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Sleep(500);
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#else
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usleep(500*1000);
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#endif
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}
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printf("Data read:\n ");
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// Print out the returned buffer.
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for (i = 0; i < res; i++)
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printf("%02hhx ", buf[i]);
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printf("\n");
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hid_close(handle);
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/* Free static HIDAPI objects. */
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hid_exit();
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#ifdef WIN32
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system("pause");
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#endif
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return 0;
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}
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