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-rw-r--r--src/core/hle/service/hid.cpp160
-rw-r--r--src/core/hle/service/hid.h80
2 files changed, 127 insertions, 113 deletions
diff --git a/src/core/hle/service/hid.cpp b/src/core/hle/service/hid.cpp
index 1ef39fce..b6ec1b8f 100644
--- a/src/core/hle/service/hid.cpp
+++ b/src/core/hle/service/hid.cpp
@@ -14,96 +14,102 @@
namespace HID_User {
-Handle g_shared_mem = 0; ///< Handle to shared memory region designated to HID_User service
+// Handle to shared memory region designated to HID_User service
+static Handle shared_mem = 0;
// Event handles
-Handle g_event_pad_or_touch_1 = 0;
-Handle g_event_pad_or_touch_2 = 0;
-Handle g_event_accelerometer = 0;
-Handle g_event_gyroscope = 0;
-Handle g_event_debug_pad = 0;
-
-// Next PAD state update information
-PADState g_next_state = {{0}};
-u32 g_next_index = 0;
-s16 g_next_circle_x = 0;
-s16 g_next_circle_y = 0;
-
-/** Gets a pointer to the PADData structure inside HID shared memory
+static Handle event_pad_or_touch_1 = 0;
+static Handle event_pad_or_touch_2 = 0;
+static Handle event_accelerometer = 0;
+static Handle event_gyroscope = 0;
+static Handle event_debug_pad = 0;
+
+// Next Pad state update information
+static PadState next_state = {{0}};
+static u32 next_index = 0;
+static s16 next_circle_x = 0;
+static s16 next_circle_y = 0;
+
+/**
+ * Gets a pointer to the PadData structure inside HID shared memory
*/
-static inline PADData* GetPADData() {
- if (0 == g_shared_mem)
+static inline PadData* GetPadData() {
+ if (0 == shared_mem)
return nullptr;
- return reinterpret_cast<PADData*>(Kernel::GetSharedMemoryPointer(g_shared_mem, 0));
+ return reinterpret_cast<PadData*>(Kernel::GetSharedMemoryPointer(shared_mem, 0));
}
-/** Circle PAD from keys.
+/**
+ * Circle Pad from keys.
*
- * This is implemented as "pushed all the way to an edge (max) or centered (0)".
+ * This is implemented as "pushed all the way to an edge (max) or centered (0)".
*
- * Indicate the circle pad is pushed completely to the edge in 1 of 8 directions.
+ * Indicate the circle pad is pushed completely to the edge in 1 of 8 directions.
*/
-void UpdateNextCirclePADState() {
+void UpdateNextCirclePadState() {
static const s16 max_value = 0x9C;
- g_next_circle_x = g_next_state.circle_left ? -max_value : 0x0;
- g_next_circle_x += g_next_state.circle_right ? max_value : 0x0;
- g_next_circle_y = g_next_state.circle_down ? -max_value : 0x0;
- g_next_circle_y += g_next_state.circle_up ? max_value : 0x0;
+ next_circle_x = next_state.circle_left ? -max_value : 0x0;
+ next_circle_x += next_state.circle_right ? max_value : 0x0;
+ next_circle_y = next_state.circle_down ? -max_value : 0x0;
+ next_circle_y += next_state.circle_up ? max_value : 0x0;
}
-/** Sets a PAD state (button or button combo) as pressed
+/**
+ * Sets a Pad state (button or button combo) as pressed
*/
-void PADButtonPress(PADState pad_state) {
- g_next_state.hex |= pad_state.hex;
- UpdateNextCirclePADState();
+void PadButtonPress(PadState pad_state) {
+ next_state.hex |= pad_state.hex;
+ UpdateNextCirclePadState();
}
-/** Sets a PAD state (button or button combo) as released
+/**
+ * Sets a Pad state (button or button combo) as released
*/
-void PADButtonRelease(PADState pad_state) {
- g_next_state.hex &= ~pad_state.hex;
- UpdateNextCirclePADState();
+void PadButtonRelease(PadState pad_state) {
+ next_state.hex &= ~pad_state.hex;
+ UpdateNextCirclePadState();
}
-/** Called after all PAD changes to be included in this update have been made,
- * including both PAD key changes and analog circle PAD changes.
+/**
+ * Called after all Pad changes to be included in this update have been made,
+ * including both Pad key changes and analog circle Pad changes.
*/
-void PADUpdateComplete() {
- PADData* pad_data = GetPADData();
+void PadUpdateComplete() {
+ PadData* pad_data = GetPadData();
- // Update PADData struct
- pad_data->current_state.hex = g_next_state.hex;
- pad_data->index = g_next_index;
- g_next_index = (g_next_index + 1) % pad_data->entries.size();
+ // Update PadData struct
+ pad_data->current_state.hex = next_state.hex;
+ pad_data->index = next_index;
+ next_index = (next_index + 1) % pad_data->entries.size();
- // Get the previous PAD state
+ // Get the previous Pad state
u32 last_entry_index = (pad_data->index - 1) % pad_data->entries.size();
- PADState old_state = pad_data->entries[last_entry_index].current_state;
+ PadState old_state = pad_data->entries[last_entry_index].current_state;
// Compute bitmask with 1s for bits different from the old state
- PADState changed;
- changed.hex = (g_next_state.hex ^ old_state.hex);
+ PadState changed;
+ changed.hex = (next_state.hex ^ old_state.hex);
// Compute what was added
- PADState additions;
- additions.hex = changed.hex & g_next_state.hex;
+ PadState additions;
+ additions.hex = changed.hex & next_state.hex;
// Compute what was removed
- PADState removals;
+ PadState removals;
removals.hex = changed.hex & old_state.hex;
- // Get the current PAD entry
- PADDataEntry* current_pad_entry = &pad_data->entries[pad_data->index];
+ // Get the current Pad entry
+ PadDataEntry* current_pad_entry = &pad_data->entries[pad_data->index];
// Update entry properties
- current_pad_entry->current_state.hex = g_next_state.hex;
+ current_pad_entry->current_state.hex = next_state.hex;
current_pad_entry->delta_additions.hex = additions.hex;
current_pad_entry->delta_removals.hex = removals.hex;
- // Set circle PAD
- current_pad_entry->circle_pad_x = g_next_circle_x;
- current_pad_entry->circle_pad_y = g_next_circle_y;
+ // Set circle Pad
+ current_pad_entry->circle_pad_x = next_circle_x;
+ current_pad_entry->circle_pad_y = next_circle_y;
// If we just updated index 0, provide a new timestamp
if (pad_data->index == 0) {
@@ -111,24 +117,24 @@ void PADUpdateComplete() {
pad_data->index_reset_ticks = (s64)Core::g_app_core->GetTicks();
}
- // Signal both handles when there's an update to PAD or touch
- Kernel::SignalEvent(g_event_pad_or_touch_1);
- Kernel::SignalEvent(g_event_pad_or_touch_2);
+ // Signal both handles when there's an update to Pad or touch
+ Kernel::SignalEvent(event_pad_or_touch_1);
+ Kernel::SignalEvent(event_pad_or_touch_2);
}
// TODO(peachum):
-// Add a method for setting analog input from joystick device for the circle PAD.
+// Add a method for setting analog input from joystick device for the circle Pad.
//
// This method should:
-// * Be called after both PADButton<Press, Release>().
-// * Be called before PADUpdateComplete()
-// * Set current PADEntry.circle_pad_<axis> using analog data
+// * Be called after both PadButton<Press, Release>().
+// * Be called before PadUpdateComplete()
+// * Set current PadEntry.circle_pad_<axis> using analog data
// * Set PadData.raw_circle_pad_data
-// * Set PadData.current_state.circle_right = 1 if current PADEntry.circle_pad_x >= 41
-// * Set PadData.current_state.circle_up = 1 if current PADEntry.circle_pad_y >= 41
-// * Set PadData.current_state.circle_left = 1 if current PADEntry.circle_pad_x <= -41
-// * Set PadData.current_state.circle_right = 1 if current PADEntry.circle_pad_y <= -41
+// * Set PadData.current_state.circle_right = 1 if current PadEntry.circle_pad_x >= 41
+// * Set PadData.current_state.circle_up = 1 if current PadEntry.circle_pad_y >= 41
+// * Set PadData.current_state.circle_left = 1 if current PadEntry.circle_pad_x <= -41
+// * Set PadData.current_state.circle_right = 1 if current PadEntry.circle_pad_y <= -41
/**
@@ -149,12 +155,12 @@ void GetIPCHandles(Service::Interface* self) {
u32* cmd_buff = Service::GetCommandBuffer();
cmd_buff[1] = 0; // No error
- cmd_buff[3] = g_shared_mem;
- cmd_buff[4] = g_event_pad_or_touch_1;
- cmd_buff[5] = g_event_pad_or_touch_2;
- cmd_buff[6] = g_event_accelerometer;
- cmd_buff[7] = g_event_gyroscope;
- cmd_buff[8] = g_event_debug_pad;
+ cmd_buff[3] = shared_mem;
+ cmd_buff[4] = event_pad_or_touch_1;
+ cmd_buff[5] = event_pad_or_touch_2;
+ cmd_buff[6] = event_accelerometer;
+ cmd_buff[7] = event_gyroscope;
+ cmd_buff[8] = event_debug_pad;
DEBUG_LOG(KERNEL, "called");
}
@@ -177,14 +183,14 @@ const Interface::FunctionInfo FunctionTable[] = {
// Interface class
Interface::Interface() {
- g_shared_mem = Kernel::CreateSharedMemory("HID_User:SharedMem"); // Create shared memory object
+ shared_mem = Kernel::CreateSharedMemory("HID_User:SharedMem"); // Create shared memory object
// Create event handles
- g_event_pad_or_touch_1 = Kernel::CreateEvent(RESETTYPE_ONESHOT, "HID_User:EventPADOrTouch1");
- g_event_pad_or_touch_2 = Kernel::CreateEvent(RESETTYPE_ONESHOT, "HID_User:EventPADOrTouch2");
- g_event_accelerometer = Kernel::CreateEvent(RESETTYPE_ONESHOT, "HID_User:EventAccelerometer");
- g_event_gyroscope = Kernel::CreateEvent(RESETTYPE_ONESHOT, "HID_User:EventGyroscope");
- g_event_debug_pad = Kernel::CreateEvent(RESETTYPE_ONESHOT, "HID_User:EventDebugPAD");
+ event_pad_or_touch_1 = Kernel::CreateEvent(RESETTYPE_ONESHOT, "HID_User:EventPadOrTouch1");
+ event_pad_or_touch_2 = Kernel::CreateEvent(RESETTYPE_ONESHOT, "HID_User:EventPadOrTouch2");
+ event_accelerometer = Kernel::CreateEvent(RESETTYPE_ONESHOT, "HID_User:EventAccelerometer");
+ event_gyroscope = Kernel::CreateEvent(RESETTYPE_ONESHOT, "HID_User:EventGyroscope");
+ event_debug_pad = Kernel::CreateEvent(RESETTYPE_ONESHOT, "HID_User:EventDebugPad");
Register(FunctionTable, ARRAY_SIZE(FunctionTable));
}
diff --git a/src/core/hle/service/hid.h b/src/core/hle/service/hid.h
index f5f76f0f..a077e25c 100644
--- a/src/core/hle/service/hid.h
+++ b/src/core/hle/service/hid.h
@@ -10,13 +10,15 @@
////////////////////////////////////////////////////////////////////////////////////////////////////
// Namespace HID_User
-// This service is used for interfacing to physical user controls... perhaps "Human Interface
-// Devices"? Uses include game pad controls, accelerometers, gyroscopes, etc.
+// This service is used for interfacing to physical user controls.
+// Uses include game pad controls, touchscreen, accelerometers, gyroscopes, and debug pad.
namespace HID_User {
-/// Structure of a PAD controller state
-struct PADState {
+/**
+ * Structure of a Pad controller state.
+ */
+struct PadState {
union {
u32 hex;
@@ -40,58 +42,64 @@ struct PADState {
};
};
-/// Structure of a single entry in the PADData's PAD state history array
-struct PADDataEntry {
- PADState current_state;
- PADState delta_additions;
- PADState delta_removals;
+/**
+ * Structure of a single entry in the PadData's Pad state history array.
+ */
+struct PadDataEntry {
+ PadState current_state;
+ PadState delta_additions;
+ PadState delta_removals;
s16 circle_pad_x;
s16 circle_pad_y;
};
-/// Structure of all data related to the 3DS Pad
-struct PADData {
+/**
+ * Structure of all data related to the 3DS Pad.
+ */
+struct PadData {
s64 index_reset_ticks;
s64 index_reset_ticks_previous;
- u32 index; // the index of the last updated PAD state history element
+ u32 index; // the index of the last updated Pad state history element
u32 pad1;
u32 pad2;
- PADState current_state; // same as entries[index].current_state
+ PadState current_state; // same as entries[index].current_state
u32 raw_circle_pad_data;
u32 pad3;
- std::array<PADDataEntry, 8> entries; // PAD state history
+ std::array<PadDataEntry, 8> entries; // Pad state history
};
-// Pre-defined PADStates for single button presses
-const PADState PAD_NONE = {{0}};
-const PADState PAD_A = {{1u << 0}};
-const PADState PAD_B = {{1u << 1}};
-const PADState PAD_SELECT = {{1u << 2}};
-const PADState PAD_START = {{1u << 3}};
-const PADState PAD_RIGHT = {{1u << 4}};
-const PADState PAD_LEFT = {{1u << 5}};
-const PADState PAD_UP = {{1u << 6}};
-const PADState PAD_DOWN = {{1u << 7}};
-const PADState PAD_R = {{1u << 8}};
-const PADState PAD_L = {{1u << 9}};
-const PADState PAD_X = {{1u << 10}};
-const PADState PAD_Y = {{1u << 11}};
-const PADState PAD_CIRCLE_RIGHT = {{1u << 28}};
-const PADState PAD_CIRCLE_LEFT = {{1u << 29}};
-const PADState PAD_CIRCLE_UP = {{1u << 30}};
-const PADState PAD_CIRCLE_DOWN = {{1u << 31}};
+// Pre-defined PadStates for single button presses
+const PadState PAD_NONE = {{0}};
+const PadState PAD_A = {{1u << 0}};
+const PadState PAD_B = {{1u << 1}};
+const PadState PAD_SELECT = {{1u << 2}};
+const PadState PAD_START = {{1u << 3}};
+const PadState PAD_RIGHT = {{1u << 4}};
+const PadState PAD_LEFT = {{1u << 5}};
+const PadState PAD_UP = {{1u << 6}};
+const PadState PAD_DOWN = {{1u << 7}};
+const PadState PAD_R = {{1u << 8}};
+const PadState PAD_L = {{1u << 9}};
+const PadState PAD_X = {{1u << 10}};
+const PadState PAD_Y = {{1u << 11}};
+const PadState PAD_CIRCLE_RIGHT = {{1u << 28}};
+const PadState PAD_CIRCLE_LEFT = {{1u << 29}};
+const PadState PAD_CIRCLE_UP = {{1u << 30}};
+const PadState PAD_CIRCLE_DOWN = {{1u << 31}};
// Methods for updating the HID module's state
-void PADButtonPress(PADState pad_state);
-void PADButtonRelease(PADState pad_state);
-void PADUpdateComplete();
+void PadButtonPress(PadState pad_state);
+void PadButtonRelease(PadState pad_state);
+void PadUpdateComplete();
-/// HID service interface
+/**
+ * HID service interface.
+ */
class Interface : public Service::Interface {
public:
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-02 23:06:55 +0000