63 lines
1.5 KiB
C
63 lines
1.5 KiB
C
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#ifndef __RAWHID_H__
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#define __RAWHID_H__
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifdef _MSC_VER
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#define RAWHIDFN __stdcall
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#else
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#define RAWHIDFN
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#endif
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// rawhid_open - open 1 or more devices
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//
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// Inputs:
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// max = maximum number of devices to open
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// vid = Vendor ID, or -1 if any
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// pid = Product ID, or -1 if any
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// usage_page = top level usage page, or -1 if any
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// usage = top level usage number, or -1 if any
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// Output:
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// actual number of devices opened
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//
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int RAWHIDFN rawhid_open(int max, int vid, int pid, int usage_page, int usage);
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// rawhid_recv - receive a packet
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// Inputs:
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// num = device to receive from (zero based)
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// buf = buffer to receive packet
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// len = buffer's size
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// timeout = time to wait, in milliseconds
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// Output:
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// number of bytes received, or -1 on error
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//
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int RAWHIDFN rawhid_recv(int num, void *buf, int len, int timeout);
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// rawhid_send - send a packet
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// Inputs:
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// num = device to transmit to (zero based)
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// buf = buffer containing packet to send
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// len = number of bytes to transmit
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// timeout = time to wait, in milliseconds
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// Output:
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// number of bytes sent, or -1 on error
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//
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int RAWHIDFN rawhid_send(int num, void *buf, int len, int timeout);
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// rawhid_close - close a device
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//
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// Inputs:
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// num = device to close (zero based)
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// Output
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// (nothing)
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//
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void RAWHIDFN rawhid_close(int num);
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#ifdef __cplusplus
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};
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#endif
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#endif // __RAWHID_H__
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