i2c地址

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V851S I2C/TWI 损坏（xfer 错误)
V853系列-AI视觉 • v851s i2c地址 twi • Posted at • kanken6174

3 Votes

15 Replies

285 Views

Replied at

@alb702 这个问题已经解决了，我只需要使用足够低的上拉电阻，并将DTS中I2C引脚的驱动强度设置为1，就可以正常工作了。我的主要问题是驱动强度设置

15
M

gt911 上电i2c地址一般是0x14，偶尔是0x5d，请问怎么把i2c固定成一个呢？
D1系列-RISC-V • gt911 i2c地址 • Posted at • memory

0 Votes

2 Replies

434 Views

M Replied at

@zxyuser

787f5c35-4f0a-4cfe-ba04-ac8168cc9c6c-{WKECG.png

发现是 ctp_wakeup gt911复位引脚配置错了，现在纠正过来，

重启40次都正常了：

a1195b52-08a0-424f-8f55-f23303.png

2

V851S I2C/TWI 损坏（xfer 错误) V853系列-AI视觉 • v851s i2c地址 twi • Posted at • kanken6174

gt911 上电i2c地址一般是0x14，偶尔是0x5d，请问怎么把i2c固定成一个呢？ D1系列-RISC-V • gt911 i2c地址 • Posted at • memory

V851S I2C/TWI 损坏（xfer 错误)
V853系列-AI视觉 • v851s i2c地址 twi • Posted at • kanken6174

gt911 上电i2c地址一般是0x14，偶尔是0x5d，请问怎么把i2c固定成一个呢？
D1系列-RISC-V • gt911 i2c地址 • Posted at • memory