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PWM Demo

分类: 文章 • 2024-10-18 19:26:34

PWMActivity.java

  1. packagecom.mini6410.PWM;
  4. importandroid.app.Activity;
  5. importandroid.os.Bundle;
  6. importandroid.text.Editable;
  7. importandroid.text.TextWatcher;
  8. importandroid.util.Log;
  9. importandroid.view.View;
  10. importandroid.widget.Button;
  11. importandroid.widget.CompoundButton;
  12. importandroid.widget.EditText;
  13. importandroid.widget.ToggleButton;
  15. importcom.friendlyarm.AndroidSDK.HardwareControler;
  16. importcom.mini6410.R;
  18. /**
  19. *
  20. *ClassName:PWMActivity
  21. *Reason:PWMDemo
  22. *
  23. *@authorsnowdream
  24. *@version
  25. *@sinceVer1.1
  26. *@Date20112012-03-1117:21
  27. *
  28. *@see
  29. */
  30. publicclassPWMActivityextendsActivityimplementsButton.OnClickListener,ToggleButton.OnCheckedChangeListener{
  31. publicstaticfinalStringTAG="PWMActivity";
  33. /*PWM频率*/
  34. publicstaticfinalintPWM_FREQUENCY_1=1;
  35. publicstaticfinalintPWM_FREQUENCY_100=100;
  36. publicstaticfinalintPWM_FREQUENCY_200=200;
  37. publicstaticfinalintPWM_FREQUENCY_500=500;
  38. publicstaticfinalintPWM_FREQUENCY_1000=1000;
  39. publicstaticfinalintPWM_FREQUENCY_2000=2000;
  40. publicstaticfinalintPWM_FREQUENCY_5000=5000;
  41. publicstaticfinalintPWM_FREQUENCY_10000=10000;
  43. /*PWM播放时长*/
  44. publicstaticfinalintPWM_PLAY_PERIOD_FOR_EVER=-1;
  45. publicstaticfinalintPWM_PLAY_PERIOD_100=100;
  46. publicstaticfinalintPWM_PLAY_PERIOD_200=200;
  47. publicstaticfinalintPWM_PLAY_PERIOD_300=300;
  48. publicstaticfinalintPWM_PLAY_PERIOD_500=500;
  49. publicstaticfinalintPWM_PLAY_PERIOD_1000=1000;
  51. /*PWM播放间隔*/
  52. publicstaticfinalintPWM_WAIT_PERIOD_100=100;
  53. publicstaticfinalintPWM_WAIT_PERIOD_200=200;
  54. publicstaticfinalintPWM_WAIT_PERIOD_300=300;
  55. publicstaticfinalintPWM_WAIT_PERIOD_500=500;
  56. publicstaticfinalintPWM_WAIT_PERIOD_1000=1000;
  59. /*播放频率*/
  60. publicintmfrequency=PWM_FREQUENCY_1000;
  62. /*频率改变步长Step*/
  63. publicintmfrequencystep=100;
  65. /*播放时长*/
  66. publicintmplayperiod=PWM_PLAY_PERIOD_1000;
  68. /*播放间隔*/
  69. publicintmwaitperiod=PWM_WAIT_PERIOD_1000;
  71. /*播放次数*/
  72. publicintmplaynum=20;
  74. privatebooleanmStop=false;
  76. privateButtonmButtonSub=null;
  77. privateButtonmButtonAdd=null;
  79. privateToggleButtonmToggleButtonStartForEver=null;
  80. privateToggleButtonmToggleButtonStartForTimes=null;
  82. privateEditTextmEditTextFrequency=null;
  83. privateEditTextmEditTextPlayPeriod=null;
  84. privateEditTextmTextViewWaitPeriod=null;
  85. privateEditTextmEditTextPlayNum=null;
  88. @Override
  89. protectedvoidonCreate(BundlesavedInstanceState){
  90. super.onCreate(savedInstanceState);
  91. setContentView(R.layout.pwmdemo);
  93. initUI();
  94. initData();
  96. }
  98. @Override
  99. protectedvoidonDestroy(){
  100. mStop=true;
  101. super.onDestroy();
  102. }
  104. /**
  105. *
  106. *initUI:初始化UI
  107. *
  108. *@param
  109. *@return
  110. *@throws
  111. */
  112. publicvoidinitUI(){
  113. mButtonSub=(Button)findViewById(R.id.ButtonSUB);
  114. mButtonAdd=(Button)findViewById(R.id.ButtonADD);
  116. /*按钮监听器，具体实现参考下面的函数：onClick*/
  117. mButtonSub.setOnClickListener(this);
  118. mButtonAdd.setOnClickListener(this);
  120. mToggleButtonStartForEver=(ToggleButton)findViewById(R.id.ToggleButtonStartForEver);
  121. mToggleButtonStartForTimes=(ToggleButton)findViewById(R.id.ToggleButtonStartForTimes);
  123. /*开关按钮监听器，具体实现参考下面的函数：onCheckedChanged*/
  124. mToggleButtonStartForEver.setOnCheckedChangeListener(this);
  125. mToggleButtonStartForTimes.setOnCheckedChangeListener(this);
  127. mEditTextFrequency=(EditText)findViewById(R.id.EditTextFrequency);
  128. mEditTextPlayPeriod=(EditText)findViewById(R.id.EditTextPlayPeriod);
  129. mTextViewWaitPeriod=(EditText)findViewById(R.id.EditTextWaitPeriod);
  130. mEditTextPlayNum=(EditText)findViewById(R.id.EditTextPlayNum);
  132. /*EditText监听器，具体实现参考下面的函数：onTextChanged
  133. *主要用于获取更改后最新的数值，下同。
  134. **/
  135. mEditTextFrequency.addTextChangedListener(newTextWatcher(){
  137. publicvoidonTextChanged(CharSequences,intstart,intbefore,intcount){
  138. //TODOAuto-generatedmethodstub
  139. try{
  140. mfrequency=Integer.parseInt(mEditTextFrequency.getText().toString());
  141. }catch(NumberFormatExceptione){
  142. //TODOAuto-generatedcatchblock
  143. e.printStackTrace();
  144. }
  145. }
  147. publicvoidbeforeTextChanged(CharSequences,intstart,intcount,
  148. intafter){
  149. //TODOAuto-generatedmethodstub
  151. }
  153. publicvoidafterTextChanged(Editables){
  154. //TODOAuto-generatedmethodstub
  156. }
  157. });
  159. mEditTextPlayPeriod.addTextChangedListener(newTextWatcher(){
  161. publicvoidonTextChanged(CharSequences,intstart,intbefore,intcount){
  162. //TODOAuto-generatedmethodstub
  163. try{
  164. mplayperiod=Integer.parseInt(mEditTextPlayPeriod.getText().toString());
  165. }catch(NumberFormatExceptione){
  166. //TODOAuto-generatedcatchblock
  167. e.printStackTrace();
  168. }
  169. }
  171. publicvoidbeforeTextChanged(CharSequences,intstart,intcount,
  172. intafter){
  173. //TODOAuto-generatedmethodstub
  175. }
  177. publicvoidafterTextChanged(Editables){
  178. //TODOAuto-generatedmethodstub
  180. }
  181. });
  183. mTextViewWaitPeriod.addTextChangedListener(newTextWatcher(){
  185. publicvoidonTextChanged(CharSequences,intstart,intbefore,intcount){
  186. //TODOAuto-generatedmethodstub
  187. try{
  188. mwaitperiod=Integer.parseInt(mTextViewWaitPeriod.getText().toString());
  189. }catch(NumberFormatExceptione){
  190. //TODOAuto-generatedcatchblock
  191. e.printStackTrace();
  192. }
  193. }
  195. publicvoidbeforeTextChanged(CharSequences,intstart,intcount,
  196. intafter){
  197. //TODOAuto-generatedmethodstub
  199. }
  201. publicvoidafterTextChanged(Editables){
  202. //TODOAuto-generatedmethodstub
  204. }
  205. });
  207. mEditTextPlayNum.addTextChangedListener(newTextWatcher(){
  209. publicvoidonTextChanged(CharSequences,intstart,intbefore,intcount){
  210. //TODOAuto-generatedmethodstub
  211. try{
  212. mplaynum=Integer.parseInt(mEditTextPlayNum.getText().toString());
  213. }catch(NumberFormatExceptione){
  214. //TODOAuto-generatedcatchblock
  215. e.printStackTrace();
  216. }
  217. }
  219. publicvoidbeforeTextChanged(CharSequences,intstart,intcount,
  220. intafter){
  221. //TODOAuto-generatedmethodstub
  223. }
  225. publicvoidafterTextChanged(Editables){
  226. //TODOAuto-generatedmethodstub
  228. }
  229. });
  232. }
  234. /**
  235. *
  236. *initData:初始化各个控件的数值
  237. *
  238. *@param
  239. *@return
  240. *@throws
  241. */
  242. publicvoidinitData(){
  243. mEditTextFrequency.setText(String.valueOf(mfrequency));
  244. mEditTextPlayPeriod.setText(String.valueOf(mplayperiod));
  245. mTextViewWaitPeriod.setText(String.valueOf(mwaitperiod));
  246. mEditTextPlayNum.setText(String.valueOf(mplaynum));
  247. }
  250. /**
  251. *
  252. *onCheckedChanged:开关按钮监听器。当有开关按钮的状态改变时，响应点击。
  253. *
  254. *@parambuttonView改变状态的开关按钮对象；
  255. *@paramisChecked该开关按钮是否被选中；
  256. *@return
  257. *@throws
  258. */
  259. publicvoidonCheckedChanged(CompoundButtonbuttonView,booleanisChecked){
  260. ToggleButtonmToggleButton=(ToggleButton)buttonView;
  262. switch(mToggleButton.getId()){
  263. caseR.id.ToggleButtonStartForEver:
  264. if(isChecked){
  265. PWMPlay(mfrequency);
  266. }else{
  267. mStop=true;
  268. PWMStop();
  269. }
  270. break;
  271. caseR.id.ToggleButtonStartForTimes:
  272. if(isChecked){
  273. mStop=false;
  274. PWMThreadmPWMThread=newPWMThread();
  275. mPWMThread.start();
  276. }else{
  277. mStop=true;
  278. }
  279. break;
  280. default:
  281. break;
  282. }
  283. }
  285. /**
  286. *
  287. *onClick:按钮监听器。当有按钮被点击时，响应点击。
  288. *
  289. *@paramv被点击的按钮对象；
  290. *@return
  291. *@throws
  292. */
  293. publicvoidonClick(Viewv){
  294. ButtonmButton=(Button)v;
  296. switch(mButton.getId()){
  297. caseR.id.ButtonSUB:
  298. if(mfrequency<=1)
  299. mfrequency=PWM_FREQUENCY_1;
  300. elseif(mfrequency==PWM_FREQUENCY_100)
  301. mfrequency=PWM_FREQUENCY_1;
  302. else
  303. mfrequency-=mfrequencystep;
  305. mEditTextFrequency.setText(String.valueOf(mfrequency));
  306. break;
  307. caseR.id.ButtonADD:
  308. if(mfrequency<=1)
  309. mfrequency=PWM_FREQUENCY_100;
  310. else
  311. mfrequency+=mfrequencystep;
  313. mEditTextFrequency.setText(String.valueOf(mfrequency));
  314. break;
  315. default:
  316. break;
  317. }
  318. }
  320. /**
  321. *
  322. *PWMPlay:启动蜂鸣器，并播放。
  323. *
  324. *@paramfrequency播放频率
  325. *@returntrue表示播放成功；否则，表示播放失败。
  326. *@throws
  327. */
  328. publicbooleanPWMPlay(intfrequency)
  329. {
  330. booleanret=false;
  331. intresult=-1;
  333. result=HardwareControler.PWMPlay(frequency);
  335. if(result==0)
  336. ret=true;
  337. else
  338. ret=false;
  340. returnret;
  341. }
  343. /**
  344. *
  345. *PWMStop:停止并关闭蜂鸣器。
  346. *
  347. *@param
  348. *@returntrue表示停止成功；否则，表示停止失败。
  349. *@throws
  350. */
  351. publicbooleanPWMStop(){
  352. booleanret=false;
  353. intresult=-1;
  355. result=HardwareControler.PWMStop();
  357. if(result==0)
  358. ret=true;
  359. else
  360. ret=false;
  362. returnret;
  363. }
  365. /**
  366. *
  367. *PWMThread:PWM播放线程
  368. *
  369. *@param
  370. *@return
  371. *@throws
  372. */
  373. publicclassPWMThreadextendsThread{
  375. @Override
  376. publicvoidrun(){
  377. Log.i(TAG,"PWMThreadStart");
  379. for(inti=0;i<mplaynum;i++)
  380. {
  381. Log.i(TAG,String.valueOf(i));
  383. if(mStop)
  384. {
  385. PWMStop();
  386. break;
  387. }
  389. /*启动蜂鸣器，并使用频率mfrequency进行播放*/
  390. PWMPlay(mfrequency);
  392. /*等待播放时长mplayperiod结束*/
  393. try{
  394. sleep(mplayperiod);
  395. }catch(InterruptedExceptione){
  396. e.printStackTrace();
  397. }
  399. /*停止蜂鸣器*/
  400. PWMStop();
  402. if(mStop)
  403. break;
  405. /*等待播放间隔mwaitperiod结束*/
  406. try{
  407. sleep(mwaitperiod);
  408. }catch(InterruptedExceptione){
  409. e.printStackTrace();
  410. }
  412. }
  413. Log.i(TAG,"PWMThreadStop");
  414. }
  415. }
  416. }

pwmdemo.xml

  1. <?xmlversion="1.0"encoding="utf-8"?>
  2. <LinearLayoutxmlns:android="http://schemas.android.com/apk/res/android"
  3. android:layout_width="match_parent"
  4. android:layout_height="match_parent"
  5. android:orientation="vertical">
  7. <LinearLayout
  8. android:layout_width="match_parent"
  9. android:layout_height="wrap_content"
  10. android:orientation="horizontal">
  12. <TextView
  13. android:id="@+id/TextViewFrequency"
  14. android:layout_width="80dip"
  15. android:layout_height="40dip"
  16. android:gravity="center"
  17. android:text="@string/frequency"/>
  19. <Button
  20. android:id="@+id/ButtonSUB"
  21. android:layout_width="40dip"
  22. android:layout_height="40dip"
  23. android:gravity="center"
  24. android:text="@string/sub"/>
  26. <EditText
  27. android:id="@+id/EditTextFrequency"
  28. android:layout_width="120dip"
  29. android:layout_height="40dip"
  30. android:gravity="center"
  31. android:inputType="number"/>
  33. <Button
  34. android:id="@+id/ButtonADD"
  35. android:layout_width="40dip"
  36. android:layout_height="40dip"
  37. android:gravity="center"
  38. android:text="@string/add"/>
  39. </LinearLayout>
  41. <LinearLayout
  42. android:layout_width="match_parent"
  43. android:layout_height="wrap_content"
  44. android:orientation="horizontal">
  46. <TextView
  47. android:id="@+id/TextViewPlayPeriod"
  48. android:layout_width="80dip"
  49. android:layout_height="40dip"
  50. android:gravity="center"
  51. android:text="@string/playperiod"/>
  53. <EditText
  54. android:id="@+id/EditTextPlayPeriod"
  55. android:layout_width="200dip"
  56. android:layout_height="40dip"
  57. android:gravity="center"
  58. android:inputType="number"/>
  59. </LinearLayout>
  61. <LinearLayout
  62. android:layout_width="match_parent"
  63. android:layout_height="wrap_content"
  64. android:orientation="horizontal">
  66. <TextView
  67. android:id="@+id/TextViewWaitPeriod"
  68. android:layout_width="80dip"
  69. android:layout_height="40dip"
  70. android:gravity="center"
  71. android:text="@string/waitperiod"/>
  73. <EditText
  74. android:id="@+id/EditTextWaitPeriod"
  75. android:layout_width="200dip"
  76. android:layout_height="40dip"
  77. android:layout_gravity="center"
  78. android:gravity="center"
  79. android:inputType="number"/>
  80. </LinearLayout>
  82. <LinearLayout
  83. android:layout_width="match_parent"
  84. android:layout_height="wrap_content"
  85. android:orientation="horizontal">
  87. <TextView
  88. android:id="@+id/TextViewPlayNum"
  89. android:layout_width="80dip"
  90. android:layout_height="40dip"
  91. android:gravity="center"
  92. android:text="@string/playnum"/>
  94. <EditText
  95. android:id="@+id/EditTextPlayNum"
  96. android:layout_width="200dip"
  97. android:layout_height="40dip"
  98. android:layout_gravity="center"
  99. android:gravity="center"
  100. android:inputType="number"/>
  101. </LinearLayout>
  103. <LinearLayout
  104. android:layout_width="match_parent"
  105. android:layout_height="wrap_content"
  106. android:orientation="horizontal">
  108. <TextView
  109. android:id="@+id/TextViewStartForEver"
  110. android:layout_width="80dip"
  111. android:layout_height="40dip"
  112. android:gravity="center"
  113. android:text="@string/playforever"/>
  115. <ToggleButton
  116. android:id="@+id/ToggleButtonStartForEver"
  117. android:layout_width="wrap_content"
  118. android:layout_height="wrap_content"
  119. android:gravity="center"/>
  121. <LinearLayout
  122. android:layout_width="10dip"
  123. android:layout_height="wrap_content"
  124. android:orientation="horizontal">
  125. </LinearLayout>
  127. <TextView
  128. android:id="@+id/TextViewStartForTimes"
  129. android:layout_width="80dip"
  130. android:layout_height="40dip"
  131. android:gravity="center"
  132. android:text="@string/playfortimes"/>
  134. <ToggleButton
  135. android:id="@+id/ToggleButtonStartForTimes"
  136. android:layout_width="wrap_content"
  137. android:layout_height="wrap_content"
  138. android:gravity="center"/>
  139. </LinearLayout>
  141. </LinearLayout>

预览效果：


PWM Demo

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