60 lines
1.1 KiB
C++
60 lines
1.1 KiB
C++
#include "usbreceive.h"
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#include "memoryex.h"
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#include "applog.h"
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#include <threadex.h>
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#include "usbdevice.h"
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static std::string loggername = "UsbReceive";
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UsbReceive::UsbReceive(std::shared_ptr<UsbDevice> t_usb)
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{
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LOG_INIT();
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this->usb=t_usb;
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}
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UsbReceive::~UsbReceive()
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{
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cannel();
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}
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int UsbReceive::read(MemoryPtr& memroy)
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{
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int nread=0;
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LOG_TRACE("rx start in");
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if (is_reading())
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return nread;
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runthread.reset(new ThreadEx([this, memroy]() {
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LOG_TRACE("rx starting");
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if (usb && usb->is_connected())
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usb->read_bulk(memroy->data(), memroy->size());
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LOG_TRACE("rx started");
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}));
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return nread;
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}
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int UsbReceive::read_bulk(void* data,unsigned int length)
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{
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int nread=0;
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if(usb.get()&&usb->is_connected())
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{
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if(data != nullptr && length >0)
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nread = usb->read_bulk(data,length);
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else
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LOG_TRACE("read_bulk uncorrect data ptr or length");
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}
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return nread;
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}
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bool UsbReceive::is_reading()
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{
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return runthread&&runthread->is_runing();
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}
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void UsbReceive::cannel()
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{
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if(runthread.get())
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runthread->cannel();
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} |