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发表于 2019-1-29 10:39:12
只看该作者
8#
本帖最后由 泳往直前 于 2019-1-29 10:41 编辑
看串口打印的信息,好像i2c都没有读写成功,打印信息如下:(下面信息是在打开摄像头APP时捕捉到的)
[10:37:13.111]收←◆[ 2669.548616] dwhdmi-rockchip ff940000.hdmi: Rate 0 missing; compute N dynamically
[10:37:13.185]收←◆[ 2669.628318] E:camsys_i2c_read(138): i2c read dev(addr:0xa0) failed,tryagain-1!
[ 2669.628539] E:camsys_i2c_read(138): i2c reddr:0xa0) failed,tryagain-0!
[ sys_i2c_read(138): i2c read dev(ed,tryagain-1!
[ 2669.629783] E: i2c read dev(addr:0xa0) failed669.630608] E:camsys_i2c_read(13ddr:0xa0) failed,tryagain-0!
[ ys_i2c_read(138): i2c read dev(aryagain-1!
[ 2669.631539] E:cami2c read dev(addr:0xa0) failed,t.632113] E:camsys_i2c_read(138):0xa0) failed,tryagain-0!
[ 2669i2c_read(138): i2c read dev(addragain-1!
[ 2669.633442] E:camsyc read dev(addr:0xa0) failed,try634022] E:camsys_i2c_read(138): xa0) failed,tryagain-0!
[ 2669.c_read(138): i2c read dev(addr:0in-1!
[ 2669.634922] E:camsys_i dev(addr:0xa0) failed,tryagain-] E:camsys_i2c_read(138): i2c re failed,tryagain-0!
[ 2669.6359ead(138): i2c read dev(addr:0xa0!
[ 2669.636473] E:camsys_i2c_rdev(addr:0xa0) failed,tryagain-141] E:camsys_i2c_read(138): i2c amsys_i2c_read(138): i2c read ded,tryagain-1!
[ 2669.637579] E:138): i2c read dev(addr:0xa0) fa 2669.638137] E:camsys_i2c_read(addr:0xa0) failed,tryagain-0!
[sys_i2c_read(138): i2c read dev(,tryagain-1!
[ 2669.639076] E:c i2c read dev(addr:0xa0) failed,7] E:camsys_i2c_read(138): i2c rr:0xa0) failed,tryagain-0!
[ 26i2c_read(138): i2c read dev(addr_name: IMX214) has been register910000.isp; cannot claim for ff9rockchip-pinctrl pinctrl: could hip-CamSys ff920000.isp: Error aled!
[ 2669.679369] W:camsys_extdev_register(182): Extdev(dev_id: 0x1000000 dev_name: IMX214) has been registered in camsys_marvin!
[ 2669.682151] rockchip-pinctrl pinctrl: pin gpio2-11 already re ff910000.isp; cannot claim for 6] rockchip-pinctrl pinctrl: couockChip-CamSys ff920000.isp: Erre failed!
[ 2669.696485] E:camsys_i2c_write(83): i2c write dev(addr:0x6c) failed!,err = -6
[10:37:13.283]收←◆[ 2669.725298] E:camsys_i2c_write(83): i2c write dev(addr:0x78) failed!,err = -6
[10:37:13.326]收←◆[ 2669.768713] E:camsys_i2c_read(138): i2c read dev(addr:0xa0) failed,tryagain-1!
[ 2669.768918] E:camsys_i2c_read(138): i2c red,tryagain-0!
[ 2669.769170] E:: i2c read dev(addr:0xa0) failed2669.769741] E:camsys_i2c_read(1ddr:0xa0) failed,tryagain-1!
[ s_i2c_read(138): i2c read dev(ad,tryagain-0!
[ 2669.770640] E:c:0xa0) failed,tryagain-1!
[ 2669.770844] E:camsys_i2c_read(138): i2c read dev(addr:0xa0) failed,tryagain-0!
[ 2669.771030] E:cagain-1!
[ 2669.771192] E:camsy2c read dev(addr:0xa0) failed,tr9.771728] E:camsys_i2c_read(138):0xa0) failed,tryagain-0!
[ 266s_i2c_read(138): i2c read dev(ad-1!
[ 2669.772653] E:camsys_i2cc read dev(addr:0xa0) failed,trydev(addr:0xa0) failed,tryagain-0!
[ 2669.773194] E:camsys_i2c_rad dev(addr:0xa0) failed,tryagai
[ 2669.773356] E:camsys_i2c_readev(addr:0xa0) failed,tryagain-1E:camsys_i2c_read(138): i2c readled,tryagain-0!
[ 2669.774287] 38): i2c read dev(addr:0xa0) fai669.774817] E:camsys_i2c_read(13ddr:0xa0) failed,tryagain-1!
[ msys_i2c_read(138): i2c read dev0xa0) failed,tryagain-0!
[ 2669.775886] E:camsys_i2c_read(138):ailed,tryagain-1!
[ 2669.776062d(138): i2c read dev(addr:0xa0) !
[ 2669.777789] E:camsys_i2c_r dev(addr:0xa0) failed,tryagain- E:camsys_i2c_read(138): i2c read,tryagain-1!
[ 2669.779509] E:38): i2c read dev(addr:0xa0) fai[ 2669.780166] E:camsys_i2c_readd dev(addr:0xa0) failed,tryagain:0xa0) failed,tryagain-0!
[ 2662c_read(138): i2c read dev(addr:!
[ 2669.780939] E:camsys_i2c_rdr:0xa0) failed,tryagain-0!
[ 2] E:camsys_i2c_read(138): i2c re 0x1000000 dev_name: IMX214) hasested by ff910000.isp; cannot cl669.795562] rockchip-pinctrl pin577] RockChip-CamSys ff920000.isct_state failed!
[ 2669.819084] W:camsys_extdev_register(182): Extdev(dev_id: 0x1amsys_marvin!
[ 2669.821123] ro
[ 2669.821166] rockchip-pinctrl pinctrl: pin-75 (ff920000.isp) pin 75 (gpio2-11) from group cifg, reverse things back
[ 2669.8[ 2669.834118] E:camsys_i2c_write(83): i2c write dev(addr:0x6c) failed!,err = -6
[10:37:13.421]收←◆[ 2669.862813] E:camsys_i2c_write(83): i2c write dev(addr:0x78) failed!,err = -6
[10:37:13.465]收←◆[ 2669.908103] E:camsys_i2c_read(138): i2c read dev(addr:0xa0) failed,tryagain-1!
[ 2669.908318] E:camsys_i2c_read(138): i2c re.908557] E:camsys_i2c_read(138):0xa0) failed,tryagain-0!
[ 2669_i2c_read(138): i2c read dev(add1!
[ 2669.909733] E:camsys_i2c_ead dev(addr:0xa0) failed,tryaga910380] E:camsys_i2c_read(138): 0) failed,tryagain-0!
[ 2669.91ad(138): i2c read dev(addr:0xa0)ain-1!
[ 2669.911360] E:camsys_ i2c read dev(addr:0xa0) failed,.912030] E:camsys_i2c_read(138):r:0xa0) failed,tryagain-0!
[ 26s_i2c_read(138): i2c read dev(adgain-1!
[ 2669.912992] E:camsys2c read dev(addr:0xa0) failed,tr605] E:camsys_i2c_read(138): i2ca0) failed,tryagain-0!
[ 2669.9v(addr:0xa0) failed,tryagain-1!
[ 2669.914156] E:camsys_i2c_rearead(138): i2c read dev(addr:0xa
[ 2669.914775] E:camsys_i2c_rea(addr:0xa0) failed,tryagain-0!
:camsys_i2c_read(138): i2c read iled,tryagain-1!
[ 2669.915787]d(138): i2c read dev(addr:0xa0) !
[ 2669.916402] E:camsys_i2c_r dev(addr:0xa0) failed,tryagain-msys_i2c_read(138): i2c read deved,tryagain-1!
[ 2669.918103] E(138): i2c read dev(addr:0xa0) f 2669.918775] E:camsys_i2c_read(addr:0xa0) failed,tryagain-0!
[amsys_i2c_read(138): i2c read detryagain-1!
[ 2669.919858] E:ca: i2c read dev(addr:0xa0) failed.920494] E:camsys_i2c_read(138):a0) failed,tryagain-0!
[ 2669.9d in camsys_marvin!
[ 2669.9364.isp
[ 2669.936484] rockchip-piest pin 75 (gpio2-11) from grouplying setting, reverse things ba[ 2669.959066] W:camsys_extdev_register(182): Extdev(dev_id: 0x1000000 dev_name: IMX214) has been registered in camsys_marvin!
[ 2669.960496] rockchip-pinctrl 9.960523] rockchip-pinctrl pinct (gpio2-11) from group cif-clkou reverse things back
[ 2669.960[ 2669.973500] E:camsys_i2c_write(83): i2c write dev(addr:0x6c) failed!,err = -6
[ 2670.000851] E:camsys_i2c_write(83): i2c write dev(addr:0x78) failed!,err = -6
[10:37:13.607]收←◆[ 2670.049335] E:camsys_i2c_read(138): i2c read dev(addr:0xa0) failed,tryagain-1!
[ 2670.049534] E:camsys_i2c_read(138): i2c rein-0!
[ 2670.049737] E:camsys_iad dev(addr:0xa0) failed,tryagai] E:camsys_i2c_read(138): i2c refailed,tryagain-1!
[ 2670.05066ad(138): i2c read dev(addr:0xa0)
[ 2670.051235] E:camsys_i2c_red dev(addr:0xa0) failed,tryagain9] E:camsys_i2c_read(138): i2c railed,tryagain-1!
[ 2670.052505d(138): i2c read dev(addr:0xa0)
[ 2670.053185] E:camsys_i2c_redev(addr:0xa0) failed,tryagain-0_i2c_read(138): i2c read dev(addtryagain-1!
[ 2670.054102] E:ca8): i2c read dev(addr:0xa0) fail70.054671] E:camsys_i2c_read(138dr:0xa0) failed,tryagain-0!
[ 2sys_i2c_read(138): i2c read dev(ryagain-1!
[ 2670.055576] E:cam): i2c read dev(addr:0xa0) faile56182] E:camsys_i2c_read(138): idr:0xa0) failed,tryagain-0!
[ 2_i2c_read(138): i2c read dev(addyagain-1!
[ 2670.057089] E:camsc read dev(addr:0xa0) failed,try057664] E:camsys_i2c_read(138): xa0) failed,tryagain-0!
[ 2670.2c_read(138): i2c read dev(addr:gain-1!
[ 2670.058566] E:camsysxa0) failed,tryagain-1!
[ 2670.:camsys_i2c_read(138): i2c read a0) failed,tryagain-0!
[ 2670.0read(138): i2c read dev(addr:0xa 2670.060099] E:camsys_i2c_read( dev(addr:0xa0) failed,tryagain-29] W:camsys_extdev_register(182hip-pinctrl pinctrl: pin gpio2-1 pinctrl: pin-75 (ff920000.isp) f-clkout on device rockchip-pin2670.074311] E:camsys_mrv_iomux_[ 2670.096489] W:camsys_extdev_register(182): Extdev(dev_id: 0x1000000 dev_name: IMX214) has been registered in camsys_marvin!
[ 2670.097898] rockchip-pinctrl ff910000.isp; cannot claim for ff920000.isp
[ 2670.097926] rockchip-pinctrl pinctrl: pin-75 (fockchip-pinctrl pinctrl: could n-CamSys ff920000.isp: Error applailed!
[ 2670.110842] E:camsys_i2c_write(83): i2c write dev(addr:0x6c) failed!,err = -6
[ 2670.138116] E:camsys_i2c_write(83): i2c write dev(addr:0x78) failed!,err = -6
[10:37:13.737]收←◆[ 2670.179737] E:camsys_i2c_read(138): i2c read dev(addr:0xa0) failed,tryagain-1!
[ 2670.179934] E:camsys_i2c_read(138): i2c re
[ 2670.180138] E:camsys_i2c_read dev(addr:0xa0) failed,tryagain690] E:camsys_i2c_read(138): i2c) failed,tryagain-1!
[ 2670.181read(138): i2c read dev(addr:0xa-0!
[ 2670.181610] E:camsys_i2cread dev(addr:0xa0) failed,tryag209] E:camsys_i2c_read(138): i2c0) failed,tryagain-1!
[ 2670.18ead(138): i2c read dev(addr:0xa0!
[ 2670.183163] E:camsys_i2c_raddr:0xa0) failed,tryagain-0!
[E:camsys_i2c_read(138): i2c readiled,tryagain-1!
[ 2670.184085]d(138): i2c read dev(addr:0xa0) [ 2670.184664] E:camsys_i2c_readr:0xa0) failed,tryagain-0!
[ 26sys_i2c_read(138): i2c read dev(,tryagain-1!
[ 2670.185584] E:c): i2c read dev(addr:0xa0) faile2670.186160] E:camsys_i2c_read(1addr:0xa0) failed,tryagain-0!
[msys_i2c_read(138): i2c read dev,tryagain-1!
[ 2670.187283] E:c: i2c read dev(addr:0xa0) failed0.187916] E:camsys_i2c_read(138)0xa0) failed,tryagain-0!
[ 26702c_read(138): i2c read dev(addr:gain-1!
[ 2670.188886] E:camsysi2c read dev(addr:0xa0) failed,t.189470] E:camsys_i2c_read(138):xa0) failed,tryagain-0!
[ 2670. i2c read dev(addr:0xa0) failed,[ 2670.190402] E:camsys_i2c_readd dev(addr:0xa0) failed,tryagain:camsys_extdev_register(182): Exip-pinctrl pinctrl: pin gpio2-11 pinctrl: pin-75 (ff920000.isp) lkout on device rockchip-pinctr70.204894] E:camsys_mrv_iomux_cb[ 2670.227493] W:camsys_extdev_register(182): Extdev(dev_id: 0x1000000 dev_name: IMX214) has been registered in camsys_marvin!
[ 2670.228999] rockchip-pinctrl
[ 2670.229021] rockchip-pinctrt pin 75 (gpio2-11) from group cetting, reverse things back
[ 2[ 2670.242113] E:camsys_i2c_write(83): i2c write dev(addr:0x6c) failed!,err = -6
[10:37:13.827]收←◆[ 2670.269558] E:camsys_i2c_write(83): i2c write dev(addr:0x78) failed!,err = -6
[10:37:13.868]收←◆[ 2670.311016] E:camsys_i2c_read(138): i2c read dev(addr:0xa0) failed,tryagain-1!
[ 2670.311213] E:camsys_i2c_read(138): i2c read dev(addr:0xa0) failed,tryagai:camsys_i2c_read(138): i2c read d,tryagain-1!
[ 2670.312050] E:ad(138): i2c read dev(addr:0xa0)2670.312977] E:camsys_i2c_read(1ad dev(addr:0xa0) failed,tryagai:camsys_i2c_read(138): i2c read led,tryagain-1!
[ 2670.313911] 38): i2c read dev(addr:0xa0) fai!
[ 2670.314504] E:camsys_i2c_r dev(addr:0xa0) failed,tryagain- E:camsys_i2c_read(138): i2c realed,tryagain-1!
[ 2670.315430] (138): i2c read dev(addr:0xa0) f[ 2670.316029] E:camsys_i2c_readaddr:0xa0) failed,tryagain-0!
[amsys_i2c_read(138): i2c read deyagain-1!
[ 2670.316945] E:camsd dev(addr:0xa0) failed,tryagain.317524] E:camsys_i2c_read(138):dr:0xa0) failed,tryagain-0!
[ 2_i2c_read(138): i2c read dev(addn-1!
[ 2670.318454] E:camsys_i2read dev(addr:0xa0) failed,tryag.319072] E:camsys_i2c_read(138):a0) failed,tryagain-0!
[ 2670.32c_read(138): i2c read dev(addr:ain-1!
[ 2670.320001] E:camsys_2c read dev(addr:0xa0) failed,tr320578] E:camsys_i2c_read(138): xa0) failed,tryagain-0!
[ 2670.c_read(138): i2c read dev(addr:01!
[ 2670.321486] E:camsys_i2c_dev(addr:0xa0) failed,tryagain-1_i2c_read(138): i2c read dev(addiled,tryagain-0!
[ 2670.334971]ys_marvin!
[ 2670.336473] rockc0.336486] rockchip-pinctrl pinct pin 75 (gpio2-11) from group ciing, reverse things back
[ 2670[ 2670.358458] W:camsys_extdev_register(182): Extdev(dev_id: 0x1000000 dev_name: IMX214) has been registered in camsys_marvin!
[ 2670.360003] rockchip-pinctrl sp
[ 2670.360052] rockchip-pincquest pin 75 (gpio2-11) from gro things back
[ 2670.360113] E:c[ 2670.372933] E:camsys_i2c_write(83): i2c write dev(addr:0x6c) failed!,err = -6
[ 2670.400390] E:camsys_i2c_write(83): i2c write dev(addr:0x78) failed!,err = -6
[10:37:14.147]收←◆[ 2670.577336] E:camsys_i2c_read(138): i2c read dev(addr:0xa0) failed,tryagain-1!
[ 2670.577579] E:camsys_i2c_read(138): i2c read dev(addr:0xa0) failed,tryagai073] E:camsys_i2c_read(138): i2c0) failed,tryagain-1!
[ 2670.57c_read(138): i2c read dev(addr:0n-0!
[ 2670.579592] E:camsys_i2ead dev(addr:0xa0) failed,tryaga98] E:camsys_i2c_read(138): i2c failed,tryagain-1!
[ 2670.5807ead(138): i2c read dev(addr:0xa00!
[ 2670.581617] E:camsys_i2c_dev(addr:0xa0) failed,tryagain-0:camsys_i2c_read(138): i2c read ailed,tryagain-1!
[ 2670.582872d(138): i2c read dev(addr:0xa0)
[ 2670.583613] E:camsys_i2c_reev(addr:0xa0) failed,tryagain-0!E:camsys_i2c_read(138): i2c readled,tryagain-1!
[ 2670.584778] ev(addr:0xa0) failed,tryagain-1! 2670.585696] E:camsys_i2c_read(addr:0xa0) failed,tryagain-0!
[amsys_i2c_read(138): i2c read detryagain-1!
[ 2670.586976] E:ca i2c read dev(addr:0xa0) failed,70.587809] E:camsys_i2c_read(138r:0xa0) failed,tryagain-0!
[ 26ys_i2c_read(138): i2c read dev(aagain-1!
[ 2670.589070] E:camsyi2c read dev(addr:0xa0) failed,t.589858] E:camsys_i2c_read(138):xa0) failed,tryagain-0!
[ 2670._i2c_read(138): i2c read dev(addain-1!
[ 2670.591058] E:camsys_2c read dev(addr:0xa0) failed,tr854] E:camsys_i2c_read(138): i2c failed,tryagain-0!
[ 2670.6054arvin!
[ 2670.607294] rockchip-isp
[ 2670.607414] rockchip-pinuest pin 75 (gpio2-11) from grouetting, reverse things back
[ 2[ 2670.630348] W:camsys_extdev_register(182): Extdev(dev_id: 0x1000000 dev_name: IMX214) has been registered in camsys_marvin!
[ 2670.632706] rockchip-pinctrl pinctrl: pin gpio2-11 already rerockchip-pinctrl pinctrl: pin-75 pin 75 (gpio2-11) from group cietting, reverse things back
[ 2[ 2670.645869] E:camsys_i2c_write(83): i2c write dev(addr:0x6c) failed!,err = -6
[10:37:14.232]收←◆[ 2670.673647] E:camsys_i2c_write(83): i2c write dev(addr:0x78) failed!,err = -6
[10:37:14.291]收←◆[ 2670.732420] E:camsys_i2c_read(138): i2c read dev(addr:0xa0) failed,tryagain-1!
[ 2670.732619] E:camsys_i2c_read(138): i2c re-0!
[ 2670.732831] E:camsys_i2cead dev(addr:0xa0) failed,tryaga] E:camsys_i2c_read(138): i2c re failed,tryagain-1!
[ 2670.7337ad(138): i2c read dev(addr:0xa0)0!
[ 2670.734383] E:camsys_i2c_dev(addr:0xa0) failed,tryagain-0!
[ 2670.734761] E:camsys_i2c_rmsys_i2c_read(138): i2c read deved,tryagain-1!
[ 2670.735883] E): i2c read dev(addr:0xa0) faile0.736490] E:camsys_i2c_read(138)dr:0xa0) failed,tryagain-0!
[ 2_i2c_read(138): i2c read dev(addyagain-1!
[ 2670.737442] E:cams: i2c read dev(addr:0xa0) failed042] E:camsys_i2c_read(138): i2c:0xa0) failed,tryagain-0!
[ 267i2c_read(138): i2c read dev(addrain-1!
[ 2670.739727] E:camsys_ read dev(addr:0xa0) failed,trya740331] E:camsys_i2c_read(138): a0) failed,tryagain-0!
[ 2670.7_read(138): i2c read dev(addr:0xain-1!
[ 2670.741286] E:camsys_read dev(addr:0xa0) failed,tryag5] E:camsys_i2c_read(138): i2c r failed,tryagain-0!
[ 2670.7429ead(138): i2c read dev(addr:0xa01!
[ 2670.743560] E:camsys_i2c_dr:0xa0) failed,tryagain-1!
[ 2] E:camsys_i2c_read(138): i2c reiled,tryagain-0!
[ 2670.744554]ad(138): i2c read dev(addr:0xa0)
[ 2670.745116] E:camsys_i2c_readev(addr:0xa0) failed,tryagain-1camsys_extdev_register(182): Extip-pinctrl pinctrl: pin gpio2-11trl: pin-75 (ff920000.isp) statuut on device rockchip-pinctrl
0722] E:camsys_mrv_iomux_cb(125)[ 2670.783230] W:camsys_extdev_register(182): Extdev(dev_id: 0x1000000 dev_name: IMX214) has been registered in camsys_marvin!
[ 2670.785060] rockchip-pinctrl sted by ff910000.isp; cannot cla03] rockchip-pinctrl pinctrl: co RockChip-CamSys ff920000.isp: Etate failed!
[ 2670.798267] E:camsys_i2c_write(83): i2c write dev(addr:0x6c) failed!,err = -6
[ 2670.826841] E:camsys_i2c_write(83): i2c write dev(addr:0x78) failed!,err = -6
[10:37:14.438]收←◆[ 2670.880084] E:camsys_i2c_read(138): i2c read dev(addr:0xa0) failed,tryagain-1!
[ 2670.880307] E:camsys_i2c_read(138): i2c retryagain-0!
[ 2670.880536] E:ca2c read dev(addr:0xa0) failed,tr70.881133] E:camsys_i2c_read(138ddr:0xa0) failed,tryagain-1!
[ sys_i2c_read(138): i2c read dev(tryagain-0!
[ 2670.882164] E:ca): i2c read dev(addr:0xa0) faile70.882759] E:camsys_i2c_read(138:0xa0) failed,tryagain-1!
[ 267_i2c_read(138): i2c read dev(addagain-0!
[ 2670.883765] E:camsy read dev(addr:0xa0) failed,trya4339] E:camsys_i2c_read(138): i2d dev(addr:0xa0) failed,tryagain0) failed,tryagain-0!
[ 2670.88_i2c_read(138): i2c read dev(addn-1!
[ 2670.885676] E:camsys_i2ad dev(addr:0xa0) failed,tryagai86307] E:camsys_i2c_read(138): ixa0) failed,tryagain-0!
[ 2670.c_read(138): i2c read dev(addr:0-1!
[ 2670.887273] E:camsys_i2cread dev(addr:0xa0) failed,tryag898] E:camsys_i2c_read(138): i2c0) failed,tryagain-0!
[ 2670.88c_read(138): i2c read dev(addr:0n-1!
[ 2670.888984] E:camsys_i2ad dev(addr:0xa0) failed,tryagaicamsys_i2c_read(138): i2c read dailed,tryagain-0!
[ 2670.88996770.890141] E:camsys_i2c_read(138addr:0xa0) failed,tryagain-1!
[2c_read(138): i2c read dev(addr:yagain-0!
[ 2670.891142] E:cams2c read dev(addr:0xa0) failed,tr0.891699] E:camsys_i2c_read(138)v_id: 0x1000000 dev_name: IMX214 requested by ff910000.isp; cann2
[ 2670.906016] rockchip-pinct670.906028] RockChip-CamSys ff92nctrl_select_state failed!
[ 2670.928450] W:camsys_extdev_register(182): Extdev(dev_id: 0x1000000 dev_name: IMX214) has been registered in camsys_marvin!
[ 2670.930031] rockchip-pinctrl cannot claim for ff920000.isp
[ 2670.930079] rockchip-pinctrl 0.930090] RockChip-CamSys ff9200_select_state failed!
[ 2670.943016] E:camsys_i2c_write(83): i2c write dev(addr:0x6c) failed!,err = -6
[10:37:14.529]收←◆[ 2670.970800] E:camsys_i2c_write(83): i2c write dev(addr:0x78) failed!,err = -6 |
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