Added btmsys.

nx/include/switch.h

@@ -96,6 +96,7 @@ extern "C" {
 #include "switch/services/bt.h"
 #include "switch/services/btdrv.h"
 #include "switch/services/btmu.h"
+#include "switch/services/btmsys.h"
 #include "switch/services/spl.h"
 #include "switch/services/ncm.h"
 #include "switch/services/psc.h"

nx/include/switch/services/btmsys.h

@@ -0,0 +1,82 @@
+/**
+ * @file btmsys.h
+ * @brief btm:sys (btm system) service IPC wrapper.
+ * @author yellows8
+ */
+#pragma once
+#include "../types.h"
+#include "../kernel/event.h"
+#include "../sf/service.h"
+
+/// Initialize btm:sys.
+Result btmsysInitialize(void);
+
+/// Exit btm:sys.
+void btmsysExit(void);
+
+/// Gets the Service object for the actual btm:sys service session. This object must be closed by the user once finished using cmds with this.
+Result btmsysGetServiceSession(Service* srv_out);
+
+/// Gets the Service object for IBtmSystemCore.
+Service* btmsysGetServiceSession_IBtmSystemCore(void);
+
+/**
+ * @brief StartGamepadPairing
+ */
+Result btmsysStartGamepadPairing(void);
+
+/**
+ * @brief CancelGamepadPairing
+ */
+Result btmsysCancelGamepadPairing(void);
+
+/**
+ * @brief ClearGamepadPairingDatabase
+ */
+Result btmsysClearGamepadPairingDatabase(void);
+
+/**
+ * @brief GetPairedGamepadCount
+ * @param[out] out Output count.
+ */
+Result btmsysGetPairedGamepadCount(u8 *out);
+
+/**
+ * @brief EnableRadio
+ */
+Result btmsysEnableRadio(void);
+
+/**
+ * @brief DisableRadio
+ */
+Result btmsysDisableRadio(void);
+
+/**
+ * @brief GetRadioOnOff
+ * @param[out] out Output flag.
+ */
+Result btmsysGetRadioOnOff(bool *out);
+
+/**
+ * @brief AcquireRadioEvent
+ * @note Only available on [3.0.0+].
+ * @note The Event must be closed by the user once finished with it.
+ * @param[out] out_event Output Event with autoclear=true.
+ */
+Result btmsysAcquireRadioEvent(Event* out_event);
+
+/**
+ * @brief AcquireGamepadPairingEvent
+ * @note Only available on [3.0.0+].
+ * @note The Event must be closed by the user once finished with it.
+ * @param[out] out_event Output Event with autoclear=true.
+ */
+Result btmsysAcquireGamepadPairingEvent(Event* out_event);
+
+/**
+ * @brief IsGamepadPairingStarted
+ * @note Only available on [3.0.0+].
+ * @param[out] out Output flag.
+ */
+Result btmsysIsGamepadPairingStarted(bool *out);
+

nx/source/services/btmsys.c

@@ -0,0 +1,119 @@
+#define NX_SERVICE_ASSUME_NON_DOMAIN
+#include <string.h>
+#include "service_guard.h"
+#include "runtime/hosversion.h"
+#include "services/btmsys.h"
+
+static Service g_btmIBtmSystemCore;
+
+static Result _btmsysGetSession(Service* srv, Service* srv_out, u32 cmd_id);
+
+NX_GENERATE_SERVICE_GUARD(btmsys);
+
+Result _btmsysInitialize(void) {
+    Result rc=0;
+    Service srv={0};
+
+    rc = btmsysGetServiceSession(&srv);
+    if (R_SUCCEEDED(rc)) rc = _btmsysGetSession(&srv, &g_btmIBtmSystemCore, 0); // GetCore
+    serviceClose(&srv);
+    return rc;
+}
+
+void _btmsysCleanup(void) {
+    serviceClose(&g_btmIBtmSystemCore);
+}
+
+Result btmsysGetServiceSession(Service* srv_out) {
+    return smGetService(srv_out, "btm:sys");
+}
+
+Service* btmsysGetServiceSession_IBtmSystemCore(void) {
+    return &g_btmIBtmSystemCore;
+}
+
+static Result _btmsysGetSession(Service* srv, Service* srv_out, u32 cmd_id) {
+    return serviceDispatch(srv, cmd_id,
+        .out_num_objects = 1,
+        .out_objects = srv_out,
+    );
+}
+
+static Result _btmsysCmdNoIO(u32 cmd_id) {
+    return serviceDispatch(&g_btmIBtmSystemCore, cmd_id);
+}
+
+static Result _btmsysCmdNoInOutU8(u8 *out, u32 cmd_id) {
+    return serviceDispatchOut(&g_btmIBtmSystemCore, cmd_id, *out);
+}
+
+static Result _btmsysCmdNoInOutBool(bool *out, u32 cmd_id) {
+    u8 tmp=0;
+    Result rc = _btmsysCmdNoInOutU8(&tmp, cmd_id);
+    if (R_SUCCEEDED(rc) && out) *out = tmp & 1;
+    return rc;
+}
+
+static Result _btmsysCmdGetEventOutFlag(Event* out_event, bool autoclear, u32 cmd_id) {
+    Handle tmp_handle = INVALID_HANDLE;
+    Result rc = 0;
+    u8 out=0;
+
+    rc = serviceDispatchOut(&g_btmIBtmSystemCore, cmd_id, out,
+        .out_handle_attrs = { SfOutHandleAttr_HipcCopy },
+        .out_handles = &tmp_handle,
+    );
+    if (R_SUCCEEDED(rc) && !out) rc = MAKERESULT(Module_Libnx, LibnxError_ShouldNotHappen);
+    if (R_SUCCEEDED(rc)) eventLoadRemote(out_event, tmp_handle, autoclear);
+    return rc;
+}
+
+Result btmsysStartGamepadPairing(void) {
+    return _btmsysCmdNoIO(0);
+}
+
+Result btmsysCancelGamepadPairing(void) {
+    return _btmsysCmdNoIO(1);
+}
+
+Result btmsysClearGamepadPairingDatabase(void) {
+    return _btmsysCmdNoIO(2);
+}
+
+Result btmsysGetPairedGamepadCount(u8 *out) {
+    return _btmsysCmdNoInOutU8(out, 3);
+}
+
+Result btmsysEnableRadio(void) {
+    return _btmsysCmdNoIO(4);
+}
+
+Result btmsysDisableRadio(void) {
+    return _btmsysCmdNoIO(5);
+}
+
+Result btmsysGetRadioOnOff(bool *out) {
+    return _btmsysCmdNoInOutBool(out, 6);
+}
+
+Result btmsysAcquireRadioEvent(Event* out_event) {
+    if (hosversionBefore(3,0,0))
+        return MAKERESULT(Module_Libnx, LibnxError_IncompatSysVer);
+
+    return _btmsysCmdGetEventOutFlag(out_event, true, 7);
+}
+
+Result btmsysAcquireGamepadPairingEvent(Event* out_event) {
+    if (hosversionBefore(3,0,0))
+        return MAKERESULT(Module_Libnx, LibnxError_IncompatSysVer);
+
+    return _btmsysCmdGetEventOutFlag(out_event, true, 8);
+}
+
+Result btmsysIsGamepadPairingStarted(bool *out) {
+    if (hosversionBefore(3,0,0))
+        return MAKERESULT(Module_Libnx, LibnxError_IncompatSysVer);
+
+    return _btmsysCmdNoInOutBool(out, 9);
+}
+