59 lines
1.6 KiB
C++
59 lines
1.6 KiB
C++
#ifndef __CDCACM_POSIX_H_
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#define __CDCACM_POSIX_H_
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#ifdef __cplusplus
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#include "icsneo/communication/driver.h"
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#include "icsneo/device/neodevice.h"
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#include "icsneo/api/eventmanager.h"
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#include "icsneo/platform/optional.h"
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#include <chrono>
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#include <sys/stat.h>
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#include <stdint.h>
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namespace icsneo {
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class CDCACM : public Driver {
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public:
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/**
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* Note: This is a driver for all devices which use CDC_ACM
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* Once we find the TTY we want it's a pretty generic POSIX TTY driver, but
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* the method for finding the TTY we want varies by OS.
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* On Linux, we read sysfs to find users of the CDC_ACM driver
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* On macOS, we use IOKit to find the USB device we're looking for
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* As such platform specific FindByProduct & HandleToTTY code can be found
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* in cdcacmlinux.cpp and cdcacmdarwin.cpp respectively
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* Other POSIX systems (BSDs, QNX, etc) will need bespoke code written in the future
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*/
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CDCACM(const device_eventhandler_t& err, neodevice_t& forDevice) : Driver(err), device(forDevice) {}
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~CDCACM();
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static void Find(std::vector<FoundDevice>& found);
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bool open() override;
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bool isOpen() override;
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bool close() override;
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void modeChangeIncoming() override;
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void awaitModeChangeComplete() override;
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private:
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neodevice_t& device;
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int fd = -1;
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optional<ino_t> disallowedInode;
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std::atomic<bool> modeChanging{false};
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std::thread modeChangeThread;
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std::mutex modeChangeMutex;
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std::condition_variable modeChangeCV;
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static std::string HandleToTTY(neodevice_handle_t handle);
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void readTask() override;
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void writeTask() override;
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bool fdIsValid();
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};
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}
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#endif // __cplusplus
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#endif |