【正文】 43. 40. 32. .init_platform_hw=tsc2007_infoIG_FALL,to//printk(====ts_init===\n)。IG_NORMAL))。int447. tsc2007_driver)。tsc2007_probe,{421. }。419. 410. 407. i2c_get_clientdata(client)。__devexit0。ifif*/379. 0,0,357. input_devTSC2007。pdataget_pendown_state。tsx_plate_ohmsINIT_DELAYED_WORK(amp。clientirq。334. 330. {320. *pdata314. static309. disable_irq()enabletsc2007ifhaveto/*if259. DOWN\n)。{menukeydown=1。241. }239. 237. elsekeyEV_KEY,KEY_BACK,tsinput。ifignoredbeyondinconsistentamp。down\n)。*wayvalue.influctuatethisthestructwork_struct171. EV_KEY,159. 149. {+rtMAX_12BIT)132. *tc)Preparetsc2007_xfer(tsc,121. */116. onlyts_eventhasAddrfrom97. datainline82. 81. 80. 71. }。menukeydown=0。62. 45. define40. define39. defineTSC2007_MEASURE_TEMP022. Licenseredistribute20052002(C)*code(c)keykeykeydown\n)。1)。{if((=1891)amp。6. 4. kobject_create_and_add(board_properties,78. 65. 51. 47. 38. else11. 6. ifdefABS_MT_POSITION_X,虛擬按鍵的處理相對(duì)簡(jiǎn)單，需要根據(jù)以下文件對(duì)虛擬按鍵的內(nèi)容進(jìn)行配置：/sys/board_properties/virtualkeys.{devicename}，對(duì)進(jìn)行消息的轉(zhuǎn)化?！?，在MSM的mahimahi平臺(tái)上查看虛擬按鍵的配置文件如下所示：2. input_set_abs_params(input_dev,3. staticsprintf(buf,:1030:370:30:30__stringify(KEY_VOLUMEDOWN):__stringify(EV_KEY):29. 35. ==struct62. =virtual_keys_init(void)76. 92. 3. //set_bit(KEY_SEARCH,11. amp。[cpp]input_event(input,input_event(input,input_event(input,5. Nokia*18. **24. includedelay135. define38. define(0x0TSC2007_MEASURE_Y)int{73. struct75. phys[32]。84. 85. u8101. [DataHigh]val0x%x,114. off,=126. }rangeif/*tscx_plate_ohms。142. UP\n)。//printk(back163. //printk(menuBTN_TOUCH,178. 181. pensensor.afterevenpentheUnfortunatelywe{ifisreportatif((=2711)amp。{233. 235. {254. input_report_abs(input,(%4u)\n,rt)。tspendown)wepressurewasschedule_delayed_work(amp。else*ts293. return303. *client,structerr。gototsclient342. clientdev))。354. MAX_12BIT,clientdev,err_free_mem。Prepare382. i2c_set_clientdata(client,392. 403. {416. }tsc2007,423. MODULE_DEVICE_TABLE(i2c,THIS_MODULE,429. 431. __init439. intintimapx_gpio_setcfg(tsc2007_int,27. 0x48),34. (cpuif59. }/*瑙︽懜灞忚櫄鎷熸寜閿?//*瑙︽懜灞?/52. for==.typei2c_board_infoint=430. 425. statici2c_device_id414. 411. client。struct398. 390. gotodown370. ABS_PRESSURE,input_devkeybit)。input_devkeybit)。input_devevbit)。input_dev0x0001。tsmodel(!ts(!i2c_check_functionality(clientadapter,EINVAL。clientdev,structstruct310. IRQpending,300. 294. *handle)(tspendown)275. tsc2007_send_up_event(ts)。Weinput_report_abs(input,//printk(homeinput_event(input,229. 227. if((=81)amp。213. 209. =205. dev_dbg(amp。196. anyway.available,a191. **We*ts175. void140. tcz1。equation{=0。tsc2007_calculate_pressure(struct*/124. useon,=stillvoidWrprotocolio(datavoidint*client。u16u16homekeydown=0。60. define12)52. TSC2007_8BITTSC2007_12BIT37. define34. define*/TS_POLL_PERIOD26. includeSoftwareoffree16. 14. (c)6. 3. 17. 11. 5. }keyhomekeydown=1。EV_KEY,KEY_HOME,12. 10. 8. 具體的可以去HTC網(wǎng)站()上下載HTC手機(jī)的linux源碼，HTC很多款手機(jī)的BACK,MENU,HOME,SEARCH電容屏虛擬按鍵都是采用這種方式實(shí)現(xiàn)的。95. /spanpr_err(failed86. (properties_kobj)struct74. =54. 49. }。kobj_attribute27. 24. 21. (1)kobj_attribute4. 其中61是可視區(qū)域左側(cè)x軸左邊坐標(biāo)，1085是右側(cè)的。/sys/board_properties/0x01:139:90:936:116:104:0x01:102:252:936:116:104:0x01:158:402:936:116:104其轉(zhuǎn)換的掃描碼分別為：139，102，158，分別對(duì)應(yīng)于MENU（菜單），HOME（主界面），BACK（返回）這3個(gè)按鍵。Key的功能是利用觸摸屏，模擬按鍵發(fā)生的事件，這樣就可以利用觸摸屏的邊緣，實(shí)現(xiàn)一些可以自定義的按鍵效果。Virtualcat0)。structif12. 19. 22. struct40. 43. NULLproperties_attr_group67. }。81. ifinput_devkeybit)。7. 9. 14. input_event(input,//printk(home3. 9. 15. drivers/input/touchscr