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/*
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* enumerate windows serial ports
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Resources:
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http://www.lookrs232.com/com_port_programming/api_enumports.htm
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http://forum.sysinternals.com/forum_posts.asp?TID=4544
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http://www.naughter.com/enumser.html
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http://msdn.microsoft.com/en-us/library/ms793116.aspx
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http://msdn.microsoft.com/en-us/library/bb663174.aspx
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HKEY_LOCAL_MACHINE\HARDWARE\DEVICEMAP\SERIALCOMM
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key = device driver name
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val = COMn name
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HKLM \ SYSTEM \ CurrentControlSet\Enum\ * *
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PortName
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http://msdn.microsoft.com/en-us/library/ms800601.aspx
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*/
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#include <windows.h>
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#include <stdio.h>
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#include <setupapi.h>
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int enumports_level1() {
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char *buf;
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DWORD size=0;
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DWORD nrports=0;
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PORT_INFO_1 *pi1;
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printf("getting level 1 information\n\n");
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EnumPorts(NULL,1,NULL,0,&size,&nrports);
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/* size now contains the required number of bytes */
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if(!size) {
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printf("size==0!!\n");
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return 1;
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}
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buf=malloc(size);
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if (!buf) {
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printf("malloc fail\n");
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return 1;
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}
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if(!EnumPorts(NULL,1,buf,size,&size,&nrports)) {
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printf("enumports fail\n");
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free(buf);
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return 1;
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}
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printf("nrports=%lu\n",nrports);
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pi1 = (PORT_INFO_1*)buf;
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while(nrports) {
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printf("port = %s\n",pi1->pName);
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pi1++;
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nrports--;
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}
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free(buf);
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return 0;
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}
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int enumports_level2() {
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char *buf;
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DWORD size=0;
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DWORD nrports=0;
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PORT_INFO_2 *pi2;
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printf("\n\ngetting level 2 information\n\n");
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EnumPorts(NULL,2,NULL,0,&size,&nrports);
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if(!size) {
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printf("size==0!!\n");
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return 1;
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}
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buf=malloc(size);
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if (!buf) {
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printf("malloc fail\n");
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return 1;
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}
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if(!EnumPorts(NULL,2,buf,size,&size,&nrports)) {
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printf("enumports fail\n");
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free(buf);
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return 1;
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}
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printf("nrports=%lu\n",nrports);
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pi2 = (PORT_INFO_2*)buf;
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printf("%-10s %-15s %-15s %-4s %-8s\n",
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"Port","Monitor","Desc","Type","Reserved"
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);
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while(nrports) {
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printf("%-10s %-15s %-15s %4lu %8lu\n",
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pi2->pPortName, pi2->pMonitorName, pi2->pDescription,
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pi2->fPortType, pi2->Reserved
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);
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pi2++;
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nrports--;
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}
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free(buf);
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return 0;
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}
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int m3() {
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int bufsize;
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char *guid;
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HDEVINFO diset;
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int i=0;
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printf("\n\nGet DiGetDeviceInterfaceDetail\n\n");
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SetupDiClassGuidsFromName("Ports",NULL,0,&bufsize);
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if(!bufsize){printf("size==0!!\n");return 1;}
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if (!(guid=malloc(bufsize))){printf("malloc fail\n");return 1;}
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if (!SetupDiClassGuidsFromName("Ports",guid,bufsize,&bufsize)) {
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printf("!SetupDiClassGuidsFromName\n");
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return 1;
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}
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if ((diset = SetupDiGetClassDevs(guid,NULL,0,DIGCF_DEVICEINTERFACE))==INVALID_HANDLE_VALUE) {
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printf("SetupDiGetClassDevs fail %lu\n",GetLastError());
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return 1;
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}
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while(1) {
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SP_DEVICE_INTERFACE_DATA didata;
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SP_DEVICE_INTERFACE_DETAIL_DATA *didatad;
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SP_DEVINFO_DATA dedata;
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/* Hello, I am a retardo windows interface */
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didata.cbSize=sizeof(didata);
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dedata.cbSize=sizeof(dedata);
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if (!SetupDiEnumDeviceInterfaces(diset,NULL,guid,i,&didata)) {
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/* end of list? */
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if (GetLastError()!=ERROR_NO_MORE_ITEMS) {
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printf("!SetupDiEnumDeviceInterfaces %lu\n",GetLastError());
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}
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break;
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}
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SetupDiGetDeviceInterfaceDetail(diset,&didata,NULL,0,&bufsize,NULL);
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if(!bufsize){printf("size==0!!\n");return 1;}
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if (!(didatad=malloc(bufsize))){printf("malloc fail\n");return 1;}
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/* GAH, stoopid interface */
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didatad->cbSize=sizeof(SP_DEVICE_INTERFACE_DETAIL_DATA);
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if (!SetupDiGetDeviceInterfaceDetail(diset,&didata,didatad,bufsize,&bufsize,&dedata)) {
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printf("!SetupDiGetDeviceInterfaceDetail %lu\n",GetLastError());
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return 1;
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}
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printf("DevicePath=%s\n",didatad->DevicePath);
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// reg = SetupDiOpenDevRegKey(diset,&didata,DICS_FLAG_GLOBAL,0,DIREG_DEV, KEY_ALL_ACCESS);
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printf("\n");
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free(didatad);
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i++;
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}
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SetupDiDestroyDeviceInfoList(diset);
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free(guid);
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return 0;
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}
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int qdosdev() {
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static char buf[65535];
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char *p;
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printf("\n\nGet QueryDosDevice\n\n");
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if(QueryDosDevice(NULL, buf, sizeof(buf)) == 0) {
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printf("QueryDosDevice: failed\n");
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return 1;
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}
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p=&buf;
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while (*p) {
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p+=printf("%s\n",p);
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}
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return 0;
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}
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int main(int argc, char **argv) {
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//enumports_level1();
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enumports_level2();
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m3();
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qdosdev();
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return 0;
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}
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