Add support for nwm::EXT::ControlWirelessEnabled.

libctru/include/3ds.h

@@ -46,6 +46,7 @@ extern "C" {
 #include <3ds/services/httpc.h>
 #include <3ds/services/uds.h>
 #include <3ds/services/ndm.h>
+#include <3ds/services/nwmext.h>
 #include <3ds/services/ir.h>
 #include <3ds/services/ns.h>
 #include <3ds/services/pm.h>

libctru/include/3ds/services/nwmext.h

@@ -0,0 +1,13 @@
+#pragma once
+
+// Initializes NWMEXT.
+Result nwmExtInit(void);
+
+// Exits NWMEXT.
+void nwmExtExit(void);
+
+/**
+ * @brief Turns wireless on or off.
+ * @param enableWifi True enables it, false disables it.
+ */
+Result NWMEXT_ControlWirelessEnabled(bool enableWifi);

libctru/source/services/nwmext.c

@@ -0,0 +1,38 @@
+#include <3ds/types.h>
+#include <3ds/ipc.h>
+#include <3ds/result.h>
+#include <3ds/svc.h>
+#include <3ds/srv.h>
+#include <3ds/synchronization.h>
+#include <3ds/services/nwmext.h>
+
+Handle nwmExtHandle;
+static int nwmExtRefCount;
+
+Result nwmExtInit(void)
+{
+	Result res=0;
+	if (AtomicPostIncrement(&nwmExtRefCount)) return 0;
+	res = srvGetServiceHandle(&nwmExtHandle, "nwm::EXT");
+	if (R_FAILED(res)) AtomicDecrement(&nwmExtRefCount);
+	return res;
+}
+
+void nwmExtExit(void)
+{
+	if (AtomicDecrement(&nwmExtRefCount)) return;
+	svcCloseHandle(nwmExtHandle);
+}
+
+Result NWMEXT_ControlWirelessEnabled(bool enableWifi)
+{
+	u32 *cmdbuf = getThreadCommandBuffer();
+
+	cmdbuf[0] = IPC_MakeHeader(0x8, 1, 0); // 0x00080040
+	cmdbuf[1] = enableWifi ? 0 : 1;
+
+	Result ret=0;
+	if (R_FAILED(ret = svcSendSyncRequest(nwmExtHandle))) return ret;
+
+	return cmdbuf[1];
+}