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USB filter for Windows

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This commit is contained in:
Antoine Rousseau 2024-10-08 14:23:39 +02:00
parent 87b574280d
commit e85a17be38
1 changed files with 12 additions and 1 deletions
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13
comport.c
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@ -1715,15 +1715,26 @@ static void comport_enum(t_comport *x, t_bool to_console, int argc, t_atom *argv
#ifdef _WIN32
HANDLE fd;
char device_name[10];
char device_name[10]; /* "\\.\COMxx" naming, for CreateFileA() */
char simple_device_name[10]; /* "COMxx" naming, for QueryDosDeviceA() */
DWORD dw;
for(i = 1; i < COMPORT_MAX; i++)
{
#ifdef _MSC_VER
sprintf_s(device_name, 10, "%s%d", x->serial_device_prefix, i);
sprintf_s(simple_device_name, 10, "COM%d", i);
#else
sprintf(device_name, "%s%d", x->serial_device_prefix, i);
sprintf(simple_device_name, "COM%d", i);
#endif
char lpTargetPath[5000]; /* buffer to store the path of the COMPORTS */
t_bool is_usb = 0;
DWORD test = QueryDosDeviceA(simple_device_name, lpTargetPath, 5000);
if(test == 0) continue; /* QueryDosDevice returns zero if it didn't find an object */
if(!strncmp("\\Device\\USBSER", lpTargetPath, 14))
is_usb = 1;
if(filter_usb && !is_usb) continue;
fd = CreateFileA( device_name,
GENERIC_READ | GENERIC_WRITE,
0,