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#include <chrono>
#include <thread>
#include <cstddef>
#include <stdexcept>
#include <hidapi/hidapi.h>
#include "device.h"
#include "log.h"
#include "misc.h"
using namespace nitrokey::device;
using namespace nitrokey::log;
Device::Device()
: m_vid(0), m_pid(0),
m_retry_count(4),
m_retry_timeout(50),
mp_devhandle(NULL) {}
bool Device::disconnect() {
Log::instance()(__PRETTY_FUNCTION__, Loglevel::DEBUG_L2);
hid_exit();
mp_devhandle = NULL;
return true;
}
bool Device::connect() {
Log::instance()(__PRETTY_FUNCTION__, Loglevel::DEBUG_L2);
//hid_init();
mp_devhandle = hid_open(m_vid, m_pid, NULL);
//hid_init();
return mp_devhandle != NULL;
}
CommError Device::send(const void *packet) {
Log::instance()(__PRETTY_FUNCTION__, Loglevel::DEBUG_L2);
if (mp_devhandle == NULL)
throw std::runtime_error("Attempted HID send on an invalid descriptor.");
return (CommError)(
hid_send_feature_report(mp_devhandle, (const unsigned char *)(packet),
HID_REPORT_SIZE));
}
CommError Device::recv(void *packet) {
CommError status;
int retry_count = 0;
Log::instance()(__PRETTY_FUNCTION__, Loglevel::DEBUG_L2);
std::this_thread::sleep_for( std::chrono::milliseconds(5000) );
if (mp_devhandle == NULL)
throw std::runtime_error("Attempted HID receive on an invalid descriptor.");
for(;;) {
status = (CommError)(
hid_get_feature_report(mp_devhandle, (unsigned char *)(packet),
HID_REPORT_SIZE));
if ((int)status >0 || retry_count++ >= m_retry_count)
break;
std::this_thread::sleep_for(m_retry_timeout);
}
return status;
}
Stick10::Stick10() {
m_vid = 0x20a0;
m_pid = 0x4108;
}
Stick20::Stick20() {
m_vid = 0x20a0;
m_pid = 0x4109;
}
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