HID: Added functions to emulate the touchpad.
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@ -29,6 +29,10 @@ static u32 next_pad_index = 0;
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static s16 next_pad_circle_x = 0;
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static s16 next_pad_circle_y = 0;
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static u32 next_touch_index = 0;
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static u16 next_touch_x = 0;
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static u16 next_touch_y = 0;
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/**
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* Gets a pointer to the PadData structure inside HID shared memory
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*/
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@ -125,6 +129,50 @@ void PadUpdateComplete() {
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g_event_pad_or_touch_2->Signal();
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}
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void TouchPress(u16 x, u16 y) {
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next_touch_x = x;
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next_touch_y = y;
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}
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void TouchRelease() {
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next_touch_x = 0;
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next_touch_y = 0;
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}
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void TouchUpdateComplete() {
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SharedMem* shared_mem = GetSharedMem();
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if (shared_mem == nullptr)
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return;
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shared_mem->touch.index = next_touch_index;
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next_touch_index = (next_touch_index + 1) % shared_mem->touch.entries.size();
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// Get the current touch entry
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TouchDataEntry* current_touch_entry = &shared_mem->touch.entries[shared_mem->touch.index];
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// Set touchpad position
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current_touch_entry->x = next_touch_x;
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current_touch_entry->y = next_touch_y;
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// TODO(bunnei): Verify this behavior on real hardware
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current_touch_entry->data_valid = (next_touch_x || next_touch_y) ? 1 : 0;
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// TODO(bunnei): We're not doing anything with offset 0xA8 + 0x18 of HID SharedMemory, which
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// supposedly is "Touch-screen entry, which contains the raw coordinate data prior to being
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// converted to pixel coordinates." (http://3dbrew.org/wiki/HID_Shared_Memory#Offset_0xA8).
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// If we just updated index 0, provide a new timestamp
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if (shared_mem->touch.index == 0) {
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shared_mem->touch.index_reset_ticks_previous = shared_mem->touch.index_reset_ticks;
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shared_mem->touch.index_reset_ticks = (s64)Core::g_app_core->GetTicks();
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}
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// Signal both handles when there's an update to Pad or touch
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g_event_pad_or_touch_1->Signal();
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g_event_pad_or_touch_2->Signal();
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}
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void GetIPCHandles(Service::Interface* self) {
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u32* cmd_buff = Kernel::GetCommandBuffer();
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@ -180,6 +180,19 @@ void PadButtonRelease(const PadState& pad_state);
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*/
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void PadUpdateComplete();
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/**
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* Signal that the touchpad has been pressed
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* @param x Touchpad x-coordinate in bottom screen pixels (between 0 and 320)
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* @param y Touchpad y-coordinate in bottom screen pixels (between 0 and 240)
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*/
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void TouchPress(u16 x, u16 y);
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/// Signal that touchpad has been released
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void TouchRelease();
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/// Signal that touchpad updates have been completed
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void TouchUpdateComplete();
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void HIDInit();
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void HIDShutdown();
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