vigem-sdvxio: Add readme

doc/sdvxhook/vigem-sdvxio.md

@@ -0,0 +1,24 @@
+This application allows you to use any sdvxio backend to drive an XB360 controller.
+Thus, it allows you to use a real cab with *any* game that supports xinput.
+
+# Setup
+* Install ViGEmBus (https://github.com/ViGEm/ViGEmBus/releases)
+* Place the following in the same folder as vigem-sdvxio:
+  * Get a copy of ViGEmClient.dll (https://bin.jvnv.net/file/ZgMJK/ViGEmClient.zip)
+  * Rename your corresponding sdvxio-device.dll to sdvxio.dll.
+* Run vigem-sdvxio.exe so that the config file gets created
+* Edit vigem-sdvxio.conf so that the config file gets created as needed
+
+# Usage
+* Run vigem-sdvxio.exe
+* To quit the program, hit the TEST + SERVICE button at the same time
+
+# Mapping
+* BT ABCD are mapped to ABXY
+* FX LR are mapped to LB/RB
+* VOL LR are mapped to L/R thumbstick X
+
+# Additional Notes For Cabinets:
+* Make sure that you follow the instructions exactly from the release page (Prerequisites for Windows 7)
+* If you get an error while trying to install KB3033929, re-enable windows update
+* Make sure to ewfmgr C: -commit and reboot after installing the drivers (this only needs to be done once)

src/main/vigem-sdvxio/main.c

@@ -120,7 +120,7 @@ int main(int argc, char **argv)
 
     XUSB_REPORT state;
 
-    log_info("vigem init succeeded, beginnning poll loop");
+    log_info("vigem init succeeded, beginning poll loop");
     while (loop) {
         sdvx_io_read_input();