android系統(tǒng)觸摸屏虛擬按鍵-文庫(kù)吧
2025-08-01 23:14 本頁(yè)面
【正文】 26. menukeydown=1。27. //printk(menukeydown\n)。28. }29. }30. }[cpp]view plaincopy1. if(backkeydown==1)2. {3. backkeydown=0。4. input_event(input,EV_KEY,KEY_BACK,0)。5. //printk(backkeyup\n)。6. }7. if(homekeydown==1)8. {9. homekeydown=0。10. input_event(input,EV_KEY,KEY_HOME,0)。11. //printk(homekeyup\n)。12. }13. if(menukeydown==1)14. {15. menukeydown=0。16. input_event(input,EV_KEY,KEY_MENU,0)。17. //printk(menukeyup\n)。18. }整個(gè)修改后的TSC2007驅(qū)動(dòng)如下：[cpp]view plaincopy1. /*2. *drivers/input/touchscreen/3. *4. *Copyright(c)2008MtekVisionCo.,Ltd.5. *KwangwooLeekwlee@6. *7. *Usingcodefrom:8. *9. *Copyright(c)2005DavidBrownell10. *Copyright(c)2006NokiaCorporation11. *12. *Copyright(C)20042005RichardPurdie13. *omap_ts.[hc],,14. *Copyright(C)2002MontaVistaSoftware15. *Copyright(C)2004TexasInstruments16. *Copyright(C)2005DirkBehme17. *18. *Thisprogramisfreesoftware。youcanredistributeitand/ormodify19. *itunderthetermsoftheGNUGeneralPublicLicenseversion2as20. *publishedbytheFreeSoftwareFoundation.21. */22. 23. includelinux/24. includelinux/25. includelinux/26. includelinux/27. includelinux/28. includelinux/i2c/29. 30. defineTS_POLL_DELAY1/*msdelaybetweensamples*/31. defineTS_POLL_PERIOD1/*msdelaybetweensamples*/32. 33. defineTSC2007_MEASURE_TEMP0(0x04)34. defineTSC2007_MEASURE_AUX(0x24)35. defineTSC2007_MEASURE_TEMP1(0x44)36. defineTSC2007_ACTIVATE_XN(0x84)37. defineTSC2007_ACTIVATE_YN(0x94)38. defineTSC2007_ACTIVATE_YP_XN(0xa4)39. defineTSC2007_SETUP(0xb4)40. defineTSC2007_MEASURE_X(0xc4)41. defineTSC2007_MEASURE_Y(0xd4)42. defineTSC2007_MEASURE_Z1(0xe4)43. defineTSC2007_MEASURE_Z2(0xf4)44. 45. defineTSC2007_POWER_OFF_IRQ_EN(0x02)46. defineTSC2007_ADC_ON_IRQ_DIS0(0x12)47. defineTSC2007_ADC_OFF_IRQ_EN(0x22)48. defineTSC2007_ADC_ON_IRQ_DIS1(0x32)49. 50. defineTSC2007_12BIT(0x01)51. defineTSC2007_8BIT(0x11)52. 53. defineMAX_12BIT((112)1)54. 55. defineADC_ON_12BIT(TSC2007_12BIT|TSC2007_ADC_ON_IRQ_DIS0)56. 57. defineREAD_Y(ADC_ON_12BIT|TSC2007_MEASURE_Y)58. defineREAD_Z1(ADC_ON_12BIT|TSC2007_MEASURE_Z1)59. defineREAD_Z2(ADC_ON_12BIT|TSC2007_MEASURE_Z2)60. defineREAD_X(ADC_ON_12BIT|TSC2007_MEASURE_X)61. definePWRDOWN(TSC2007_12BIT|TSC2007_POWER_OFF_IRQ_EN)62. 63. 64. staticintbackkeydown=0。65. staticinthomekeydown=0。66. staticintmenukeydown=0。67. structts_event{68. u16x。69. u16y。70. u16z1,z2。71. }。72. 73. structtsc2007{74. structinput_dev*input。75. charphys[32]。76. structdelayed_workwork。77. 78. structi2c_client*client。79. 80. u16model。81. u16x_plate_ohms。82. 83. boolpendown。84. intirq。85. 86. int(*get_pendown_state)(void)。87. void(*clear_penirq)(void)。88. }。89. 90. staticinlineinttsc2007_xfer(structtsc2007*tsc,u8cmd)91. {92. s32data。93. u16val。94. 95. data=i2c_smbus_read_word_data(tscclient,cmd)。96. if(data0){97. dev_err(amp。tscclientdev,i2cioerror:%d\n,data)。98. returndata。99. }100. 101. /*Theprotocolandrawdataformatfromi2cinterface:102. *SAddrWr[A]Comm[A]SAddrRd[A][DataLow]A[DataHigh]NAP103. *WhereDataLowhas[D11D4],DataHighhas[D3D04|Dummy4bit].104. */105. val=swab16(data)4。106. 107. dev_dbg(amp。tscclientdev,data:0x%x,val:0x%x\n,data,val)。108. 109. returnval。110. }111. 112. staticvoidtsc2007_read_values(structtsc2007*tsc,structts_event*tc)113. {114. /*ystillon。turnononlyy+(andADC)*/115. tcy=tsc2007_xfer(tsc,READ_Y)。116. 117. /*turnyoff,x+on,thenleaveinlowpower*/118. tcx=tsc2007_xfer(tsc,READ_X)。119. 16
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