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duo : gpio : rt_pin_read 无法读出引脚的状态 #8930
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已经 report 给 sophgo 看看这个寄存器到底怎么个说法 |
This was referenced May 10, 2024
是否可能和pin的模式相关?难道需要先配置成输入模式? |
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bsp/cvitek/cv18xx_risc-v/
最新 master在编写跑马灯例子过程中,尝试读取 GPIO 引脚的状态值,失败
简单示例代码如下:
看了一下驱动,rt_pin_read 回去读取 GPIO_EXT_PORTA,怀疑这个寄存器是不是反应了引脚的状态?
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