]> cvs.zerfleddert.de Git - ms2-fixes/blame - MS2Debounce/src/de/rmdir/ms2debounce/DebounceModuleHelper.java
integrate hw debounce into gui
[ms2-fixes] / MS2Debounce / src / de / rmdir / ms2debounce / DebounceModuleHelper.java
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1package de.rmdir.ms2debounce;
2
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3import java.io.InputStream;
4import java.io.OutputStream;
226a7d4d 5import java.io.File;
d82ae589 6import java.io.FileReader;
0b9d6422 7import java.io.FileWriter;
d82ae589 8import java.io.BufferedReader;
0b9d6422 9import java.io.BufferedWriter;
6bb245ae 10import java.io.DataOutputStream;
226a7d4d 11
5738a32f 12import android.content.Context;
08fec0be 13import android.content.SharedPreferences;
5738a32f 14
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15public class DebounceModuleHelper
16{
5738a32f 17 private Context ctx;
08fec0be 18 public static final String PREFS_NAME = "DebounceCfg";
6bb245ae 19 final int SUPERUSER_REQUEST = 4223;
226a7d4d 20
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21 public DebounceModuleHelper(Context context) {
22 ctx = context;
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23 }
24
381027a8 25 public void setAllValues() {
0b9d6422 26 setDelay(getSavedDelay());
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27 setSettle(getSavedSettle());
28 setPoll(getSavedPoll());
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29 setHwDebounce(getSavedHwDebounce());
30 setHwDebounceTime(getSavedHwDebounceTime());
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31 }
32
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33 public void loadModule() {
34 _loadModule();
35 setAllValues();
36 }
37
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38 protected void runAsRoot(String command) throws java.io.IOException,java.lang.InterruptedException {
39 Process rootcmd = Runtime.getRuntime().exec(new String[]{"su","-c","sh"});
40 DataOutputStream sh = new DataOutputStream(rootcmd.getOutputStream());
41 sh.writeBytes(command + "\n");
42 sh.writeBytes("exit\n");
43 sh.flush();
44 sh.close();
45
46 rootcmd.waitFor();
47 }
48
0b9d6422 49 public synchronized void _loadModule() {
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50 File debounce_ko = new File(ctx.getFilesDir() + "/debounce.ko");
51
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52 extractModule();
53
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54 SharedPreferences settings = ctx.getSharedPreferences(PREFS_NAME, Context.MODE_PRIVATE);
55 SharedPreferences.Editor editor = settings.edit();
56 if (is_safe_to_load()) {
57 editor.putBoolean("safe_to_load", false);
58 editor.commit();
59 }
40697a47 60
0ae502f6 61 try {
0b9d6422 62 runAsRoot("/system/bin/insmod " + debounce_ko);
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63 } catch (Exception e) {
64 return;
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65 }
66
67 if (!isLoaded()) {
68 return;
08fec0be 69 }
dea0f4b0 70
818fb327 71 if (getDelay() < 0) {
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72 return;
73 }
74
75 /* Module was obviously loaded, so it is safe to load on boot */
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76 editor.putBoolean("safe_to_load", true);
77 editor.commit();
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78 }
79
08fec0be 80 public synchronized void unloadModule() {
40697a47 81 try {
6bb245ae 82 runAsRoot("/system/bin/rmmod debounce");
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83 } catch (Exception e) {}
84 }
85
08fec0be 86 public synchronized boolean isLoaded() {
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87 boolean loaded = false;
88 try {
89 String read;
90
91 FileReader modules = new FileReader("/proc/modules");
92 BufferedReader modules_buf = new BufferedReader(modules);
93
94 while((read = modules_buf.readLine()) != null) {
95 if (read.regionMatches(0, "debounce", 0, 8)) {
96 loaded = true;
97 }
98 }
99
100 } catch (Exception e) {
101 loaded = false;
102 }
103
104 return loaded;
0ae502f6 105 }
226a7d4d 106
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107 private synchronized int getValue(String parameter) {
108 int value = -1;
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109
110 try {
111 String read;
112
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113 FileReader fr = new FileReader("/sys/devices/debounce/" + parameter);
114 BufferedReader fbuf = new BufferedReader(fr);
d82ae589 115
75fbc6ef 116 read = fbuf.readLine();
d82ae589 117 if (read != null) {
75fbc6ef 118 value = Integer.parseInt(read.trim());
d82ae589 119 }
0b9d6422 120
75fbc6ef 121 fbuf.close();
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122 } catch (Exception e) {}
123
75fbc6ef 124 return value;
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125 }
126
75fbc6ef 127 private synchronized void setValue(String parameter, int value) {
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128 if (!isLoaded()) {
129 return;
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130 }
131
0b9d6422 132 try {
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133 FileWriter fw = new FileWriter("/sys/devices/debounce/" + parameter);
134 BufferedWriter fbuf = new BufferedWriter(fw);
0b9d6422 135
75fbc6ef 136 fbuf.write((new Integer(value)).toString());
0b9d6422 137
75fbc6ef 138 fbuf.close();
0b9d6422 139 } catch (Exception e) {}
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140 }
141
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142 public synchronized int getDelay() {
143 return getValue("debounce_delay");
144 }
145
146 public synchronized void setDelay(int debounce_delay) {
147 setValue("debounce_delay", debounce_delay);
148 }
149
150 public synchronized int getSettle() {
151 return getValue("settle_time");
152 }
153
154 public synchronized void setSettle(int settle_time) {
155 setValue("settle_time", settle_time);
156 }
157
158 public synchronized int getPoll() {
159 return getValue("poll_time");
160 }
161
162 public synchronized void setPoll(int poll_time) {
163 setValue("poll_time", poll_time);
164 }
165
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166 public synchronized boolean getHwDebounce() {
167 if (getValue("hw_debounce") == 1)
168 return true;
169
170 return false;
171 }
172
173 public synchronized void setHwDebounce(boolean enable) {
174 if (enable)
175 setValue("hw_debounce", 1);
176 else
177 setValue("hw_debounce", 0);
178 }
179
180 public synchronized int getHwDebounceTime() {
181 return getValue("hw_debounce_time");
182 }
183
184 public synchronized void setHwDebounceTime(int time) {
185 setValue("hw_debounce_time", time);
186 }
187
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188 public synchronized int getSavedDelay() {
189 SharedPreferences settings = ctx.getSharedPreferences(PREFS_NAME, Context.MODE_PRIVATE);
190
131fed25 191 return settings.getInt("debounce_delay", 15);
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192 }
193
194 public synchronized void setSavedDelay(int delay) {
195 SharedPreferences settings = ctx.getSharedPreferences(PREFS_NAME, Context.MODE_PRIVATE);
196 SharedPreferences.Editor editor = settings.edit();
197
198 editor.putInt("debounce_delay", delay);
199 editor.commit();
200 }
201
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202 public synchronized int getSavedSettle() {
203 SharedPreferences settings = ctx.getSharedPreferences(PREFS_NAME, Context.MODE_PRIVATE);
204
ceccb7e2 205 return settings.getInt("settle_time", 40);
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206 }
207
208 public synchronized void setSavedSettle(int settle) {
209 SharedPreferences settings = ctx.getSharedPreferences(PREFS_NAME, Context.MODE_PRIVATE);
210 SharedPreferences.Editor editor = settings.edit();
211
212 editor.putInt("settle_time", settle);
213 editor.commit();
214 }
215
216 public synchronized int getSavedPoll() {
217 SharedPreferences settings = ctx.getSharedPreferences(PREFS_NAME, Context.MODE_PRIVATE);
218
ceccb7e2 219 return settings.getInt("poll_time", 20);
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220 }
221
222 public synchronized void setSavedPoll(int poll) {
223 SharedPreferences settings = ctx.getSharedPreferences(PREFS_NAME, Context.MODE_PRIVATE);
224 SharedPreferences.Editor editor = settings.edit();
225
226 editor.putInt("poll_time", poll);
227 editor.commit();
228 }
229
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230 public synchronized boolean getSavedHwDebounce() {
231 SharedPreferences settings = ctx.getSharedPreferences(PREFS_NAME, Context.MODE_PRIVATE);
232
233 return settings.getBoolean("hw_debounce", true);
234 }
235
236 public synchronized void setSavedHwDebounce(boolean enable) {
237 SharedPreferences settings = ctx.getSharedPreferences(PREFS_NAME, Context.MODE_PRIVATE);
238 SharedPreferences.Editor editor = settings.edit();
239
240 editor.putBoolean("hw_debounce", enable);
241 editor.commit();
242 }
243
244 public synchronized int getSavedHwDebounceTime() {
245 SharedPreferences settings = ctx.getSharedPreferences(PREFS_NAME, Context.MODE_PRIVATE);
246
247 return settings.getInt("hw_debounce_time", 1);
248 }
249
250 public synchronized void setSavedHwDebounceTime(int time) {
251 SharedPreferences settings = ctx.getSharedPreferences(PREFS_NAME, Context.MODE_PRIVATE);
252 SharedPreferences.Editor editor = settings.edit();
253
254 editor.putInt("hw_debounce_time", time);
255 editor.commit();
256 }
257
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258 public synchronized boolean is_safe_to_load() {
259 SharedPreferences settings = ctx.getSharedPreferences(PREFS_NAME, Context.MODE_PRIVATE);
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260 return settings.getBoolean("safe_to_load", false);
261 }
262
263 public synchronized boolean get_on_boot() {
264 SharedPreferences settings = ctx.getSharedPreferences(PREFS_NAME, Context.MODE_PRIVATE);
265 return settings.getBoolean("on_boot", false);
266 }
08fec0be 267
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268 public synchronized void set_on_boot(boolean on_boot) {
269 SharedPreferences settings = ctx.getSharedPreferences(PREFS_NAME, Context.MODE_PRIVATE);
270 SharedPreferences.Editor editor = settings.edit();
271
272 editor.putBoolean("on_boot", on_boot);
273 editor.commit();
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274 }
275
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276 private synchronized void extractModule() {
277 File debounce_ko = new File(ctx.getFilesDir() + "/debounce.ko");
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278
279 if (debounce_ko.exists()) {
280 return;
281 }
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282
283 try {
284 InputStream apk = ctx.getAssets().open("debounce.ko");
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285 OutputStream mod = ctx.openFileOutput("debounce.ko.tmp", 0);
286
287 //I assume a page is 4k...
288 byte buf[] = new byte[4096];
289 int bytes;
290
291 while((bytes = apk.read(buf)) != -1) {
292 mod.write(buf, 0, bytes);
293 }
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294
295 apk.close();
296 mod.close();
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297
298 File tmpfile = new File(debounce_ko + ".tmp");
299 tmpfile.renameTo(debounce_ko);
5738a32f 300 } catch (Exception e) {}
226a7d4d 301 }
0ae502f6 302}
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