edt_ft5x06在屏幕触摸的过程中出现unable to fetch data error -5

无情一刀 · 2019-07-08 16:43:39

在运行QT的过程了我定义了一个QLabel 然后我拖动这个QLabel 就会出现下面这个问题我拖动的过程中只是改变QLabel的位置

aule1=== 0 vaule2 5
MoveCon[ 83.303626] input_mt_report_slot_state
trol X== 0 Y === 5
[ 83.313179] touchscreen_report_pos
[ 83.318503] i2c i2c-0: mv64xxx_i2c_fsm: Ctlr Error -- state: 0x2, status: 0x0, addr: 0x38, flags: 0x0
[ 83.327746] edt_ft5x06 0-0038: Unable to fetch data, error: -5
[ 83.337297] x=== 154 y===72 id === 0 down == 1
[ 83.341776] input_mt_report_slot_state
[ 83.345705] touchscreen_report_pos
[ 83.349597] edt_ft5x06 0-0038: Unable to fetch data, error: -6

晕哥 · 2019-07-08 16:53:20

https://github.com/torvalds/linux/blob/master/drivers/input/touchscreen/edt-ft5x06.c

error = edt_ft5x06_ts_readwrite(tsdata->client,
sizeof(cmd), &cmd,
datalen, rdbuf);
if (error) {
dev_err_ratelimited(dev, "Unable to fetch data, error: %d\n",
error);
goto out;
}

https://github.com/torvalds/linux/blob/master/include/uapi/asm-generic/errno-base.h

#define EPERM 1 / Operation not permitted /
#define ENOENT 2 / No such file or directory /
#define ESRCH 3 / No such process /
#define EINTR 4 / Interrupted system call /
#define EIO 5 / I/O error /
#define ENXIO 6 / No such device or address /
#define E2BIG 7 / Argument list too long /
#define ENOEXEC 8 / Exec format error /

检查是不是硬件问题, 供电查起，电压, 波纹, 干扰 ...

无情一刀 · 2019-07-08 16:59:36

如果是单纯的点击没有问题就是在屏幕上面拖动的时候就有问题了等下让硬件的来看看吧

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楼主 #1 2019-07-08 16:43:39 分享评论

edt_ft5x06在屏幕触摸的过程中出现unable to fetch data error -5

#2 2019-07-08 16:53:20 分享评论

Re: edt_ft5x06在屏幕触摸的过程中出现unable to fetch data error -5

楼主 #3 2019-07-08 16:59:36 分享评论

Re: edt_ft5x06在屏幕触摸的过程中出现unable to fetch data error -5

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