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47 lines
814 B
C++
47 lines
814 B
C++
#ifndef _MSG_H
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#define _MSG_H
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typedef struct
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{
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unsigned int dwMsgId;
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unsigned int dwParam1;
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unsigned int dwParam2;
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}MSG_INFO;
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int read_usr_msg(MSG_INFO* msg);
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int write_usr_msg(MSG_INFO* msg);
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#define FIFO_BUFFER_LEN 1024
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#define FIFO_NAME_LEN 16
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class c_fifo
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{
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public:
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c_fifo(const char* name);
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int read(void* buf, int len);
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int write(void* buf, int len);
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private:
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unsigned char m_buf[FIFO_BUFFER_LEN];
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char m_name[FIFO_NAME_LEN];
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int m_head;
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int m_tail;
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void* m_read_sem;
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void* m_write_mutex;
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};
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#define MAX_HID_PIPES 9
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class c_hid_pipe
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{
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public:
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c_hid_pipe(void* id);
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static int read_hid_msg();
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static int write_hid_msg(MSG_INFO* msg, unsigned int display_id = 0);
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MSG_INFO m_msg;
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int m_fd;
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private:
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static c_hid_pipe* ms_pipes[MAX_HID_PIPES];
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static int ms_max_fd;
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};
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#endif
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