29 lines
754 B
C
29 lines
754 B
C
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// scanner const attributes definitions:
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//
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// Contains: vid, pid, serial-number, ip, mac, firmware-ver, roll-life, name, family
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//
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// Date: 2023-12-16
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#include <sane_opt_json/base_opt.h>
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class scanner_const_opts : public sane_opt_provider
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{
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std::string root_;
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std::string get_device_content(const char* path);
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std::string get_ip(void);
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std::string get_mac(void);
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void init(void);
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public:
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scanner_const_opts(const char* dev_path = "/opt/cfg/usb_gadget/g1");
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protected:
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~scanner_const_opts();
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public:
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// return malloc(), real data size stored in parameter 'size'. invoker should free() the returned value
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virtual char* get_value(const char* name, void* value, size_t* size, int* err = nullptr) override;
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};
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