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authorGravatar Gareth Poole2014-10-28 23:08:37 -0400
committerGravatar Gareth Poole2014-10-29 15:55:51 -0400
commit38df9e96dd39604273a7a3508abb5e2b302b79cd (patch)
tree56e092b84815ba02b3d6918524405f25f4c2f251 /src/core/hle/service/hid.cpp
parentMerge pull request #151 from archshift/dyncom-enabled (diff)
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Renamed souce files of services to match port names
Diffstat (limited to 'src/core/hle/service/hid.cpp')
-rw-r--r--src/core/hle/service/hid.cpp205
1 files changed, 0 insertions, 205 deletions
diff --git a/src/core/hle/service/hid.cpp b/src/core/hle/service/hid.cpp
deleted file mode 100644
index ef38a5603..000000000
--- a/src/core/hle/service/hid.cpp
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1// Copyright 2014 Citra Emulator Project
2// Licensed under GPLv2
3// Refer to the license.txt file included.
4
5#include "common/log.h"
6
7#include "core/hle/hle.h"
8#include "core/hle/kernel/event.h"
9#include "core/hle/kernel/shared_memory.h"
10#include "core/hle/service/hid.h"
11
12////////////////////////////////////////////////////////////////////////////////////////////////////
13// Namespace HID_User
14
15namespace HID_User {
16
17// Handle to shared memory region designated to HID_User service
18static Handle shared_mem = 0;
19
20// Event handles
21static Handle event_pad_or_touch_1 = 0;
22static Handle event_pad_or_touch_2 = 0;
23static Handle event_accelerometer = 0;
24static Handle event_gyroscope = 0;
25static Handle event_debug_pad = 0;
26
27// Next Pad state update information
28static PadState next_state = {{0}};
29static u32 next_index = 0;
30static s16 next_circle_x = 0;
31static s16 next_circle_y = 0;
32
33/**
34 * Gets a pointer to the PadData structure inside HID shared memory
35 */
36static inline PadData* GetPadData() {
37 if (0 == shared_mem)
38 return nullptr;
39
40 return reinterpret_cast<PadData*>(Kernel::GetSharedMemoryPointer(shared_mem, 0));
41}
42
43/**
44 * Circle Pad from keys.
45 *
46 * This is implemented as "pushed all the way to an edge (max) or centered (0)".
47 *
48 * Indicate the circle pad is pushed completely to the edge in 1 of 8 directions.
49 */
50void UpdateNextCirclePadState() {
51 static const s16 max_value = 0x9C;
52 next_circle_x = next_state.circle_left ? -max_value : 0x0;
53 next_circle_x += next_state.circle_right ? max_value : 0x0;
54 next_circle_y = next_state.circle_down ? -max_value : 0x0;
55 next_circle_y += next_state.circle_up ? max_value : 0x0;
56}
57
58/**
59 * Sets a Pad state (button or button combo) as pressed
60 */
61void PadButtonPress(PadState pad_state) {
62 next_state.hex |= pad_state.hex;
63 UpdateNextCirclePadState();
64}
65
66/**
67 * Sets a Pad state (button or button combo) as released
68 */
69void PadButtonRelease(PadState pad_state) {
70 next_state.hex &= ~pad_state.hex;
71 UpdateNextCirclePadState();
72}
73
74/**
75 * Called after all Pad changes to be included in this update have been made,
76 * including both Pad key changes and analog circle Pad changes.
77 */
78void PadUpdateComplete() {
79 PadData* pad_data = GetPadData();
80
81 if (pad_data == nullptr) {
82 return;
83 }
84
85 // Update PadData struct
86 pad_data->current_state.hex = next_state.hex;
87 pad_data->index = next_index;
88 next_index = (next_index + 1) % pad_data->entries.size();
89
90 // Get the previous Pad state
91 u32 last_entry_index = (pad_data->index - 1) % pad_data->entries.size();
92 PadState old_state = pad_data->entries[last_entry_index].current_state;
93
94 // Compute bitmask with 1s for bits different from the old state
95 PadState changed;
96 changed.hex = (next_state.hex ^ old_state.hex);
97
98 // Compute what was added
99 PadState additions;
100 additions.hex = changed.hex & next_state.hex;
101
102 // Compute what was removed
103 PadState removals;
104 removals.hex = changed.hex & old_state.hex;
105
106 // Get the current Pad entry
107 PadDataEntry* current_pad_entry = &pad_data->entries[pad_data->index];
108
109 // Update entry properties
110 current_pad_entry->current_state.hex = next_state.hex;
111 current_pad_entry->delta_additions.hex = additions.hex;
112 current_pad_entry->delta_removals.hex = removals.hex;
113
114 // Set circle Pad
115 current_pad_entry->circle_pad_x = next_circle_x;
116 current_pad_entry->circle_pad_y = next_circle_y;
117
118 // If we just updated index 0, provide a new timestamp
119 if (pad_data->index == 0) {
120 pad_data->index_reset_ticks_previous = pad_data->index_reset_ticks;
121 pad_data->index_reset_ticks = (s64)Core::g_app_core->GetTicks();
122 }
123
124 // Signal both handles when there's an update to Pad or touch
125 Kernel::SignalEvent(event_pad_or_touch_1);
126 Kernel::SignalEvent(event_pad_or_touch_2);
127}
128
129
130// TODO(peachum):
131// Add a method for setting analog input from joystick device for the circle Pad.
132//
133// This method should:
134// * Be called after both PadButton<Press, Release>().
135// * Be called before PadUpdateComplete()
136// * Set current PadEntry.circle_pad_<axis> using analog data
137// * Set PadData.raw_circle_pad_data
138// * Set PadData.current_state.circle_right = 1 if current PadEntry.circle_pad_x >= 41
139// * Set PadData.current_state.circle_up = 1 if current PadEntry.circle_pad_y >= 41
140// * Set PadData.current_state.circle_left = 1 if current PadEntry.circle_pad_x <= -41
141// * Set PadData.current_state.circle_right = 1 if current PadEntry.circle_pad_y <= -41
142
143
144/**
145 * HID_User::GetIPCHandles service function
146 * Inputs:
147 * None
148 * Outputs:
149 * 1 : Result of function, 0 on success, otherwise error code
150 * 2 : Unused
151 * 3 : Handle to HID_User shared memory
152 * 4 : Event signaled by HID_User
153 * 5 : Event signaled by HID_User
154 * 6 : Event signaled by HID_User
155 * 7 : Gyroscope event
156 * 8 : Event signaled by HID_User
157 */
158void GetIPCHandles(Service::Interface* self) {
159 u32* cmd_buff = Service::GetCommandBuffer();
160
161 cmd_buff[1] = 0; // No error
162 cmd_buff[3] = shared_mem;
163 cmd_buff[4] = event_pad_or_touch_1;
164 cmd_buff[5] = event_pad_or_touch_2;
165 cmd_buff[6] = event_accelerometer;
166 cmd_buff[7] = event_gyroscope;
167 cmd_buff[8] = event_debug_pad;
168
169 DEBUG_LOG(KERNEL, "called");
170}
171
172const Interface::FunctionInfo FunctionTable[] = {
173 {0x000A0000, GetIPCHandles, "GetIPCHandles"},
174 {0x000B0000, nullptr, "StartAnalogStickCalibration"},
175 {0x000E0000, nullptr, "GetAnalogStickCalibrateParam"},
176 {0x00110000, nullptr, "EnableAccelerometer"},
177 {0x00120000, nullptr, "DisableAccelerometer"},
178 {0x00130000, nullptr, "EnableGyroscopeLow"},
179 {0x00140000, nullptr, "DisableGyroscopeLow"},
180 {0x00150000, nullptr, "GetGyroscopeLowRawToDpsCoefficient"},
181 {0x00160000, nullptr, "GetGyroscopeLowCalibrateParam"},
182 {0x00170000, nullptr, "GetSoundVolume"},
183};
184
185
186////////////////////////////////////////////////////////////////////////////////////////////////////
187// Interface class
188
189Interface::Interface() {
190 shared_mem = Kernel::CreateSharedMemory("HID_User:SharedMem"); // Create shared memory object
191
192 // Create event handles
193 event_pad_or_touch_1 = Kernel::CreateEvent(RESETTYPE_ONESHOT, "HID_User:EventPadOrTouch1");
194 event_pad_or_touch_2 = Kernel::CreateEvent(RESETTYPE_ONESHOT, "HID_User:EventPadOrTouch2");
195 event_accelerometer = Kernel::CreateEvent(RESETTYPE_ONESHOT, "HID_User:EventAccelerometer");
196 event_gyroscope = Kernel::CreateEvent(RESETTYPE_ONESHOT, "HID_User:EventGyroscope");
197 event_debug_pad = Kernel::CreateEvent(RESETTYPE_ONESHOT, "HID_User:EventDebugPad");
198
199 Register(FunctionTable, ARRAY_SIZE(FunctionTable));
200}
201
202Interface::~Interface() {
203}
204
205} // namespace