WebMar 10, 2024 · 若pa5连接一 led 指示灯(pa5为0时灯亮,为1时灯灭),pb5连接一按钮开关(开关闭合时为低电平)。现欲实现开关每按一次, led 的状态翻转一次。 WebApr 14, 2024 · 要设置这4位,要看下gpiox_crl,gpiox_crh的寄存器定义. 由上图可以看出gpiof_crl的31~28位是设置pf7的,gpiof_crl的27~24位是设置pf6的. gpiof_crh的3~0位是 …
STM32 GPIO的输入输出模式配置:CRL及CRH寄存器深度剖析-物 …
Webwhere REG can be one of the following: CRH and CRL. CRH is used to set type/and or speed of pins 8-15 of the port. CRL is used to set type/and or speed of pins 0-7 of the port. Accessed as a 32 bit word, with 4 bits representing the state of each pin. Out of these 4 bits, the low 2 bits are MODE, and high 2 bits are CNF. WebApr 7, 2024 · GPIOA->regs->REG where REG can be one of the following: CRH and CRL CRH is used to set type/and or speed of pins 8-15 of the port CRL is used to set … tj lapinski productions
《探索室内环境:使用SHT30温湿度传感器的实验》(附带代码)
http://poe-world.com/pdf/GPOE-8B-24v.pdf Web1.学会使用寄存器设定所需io的方向,学会配置crl、crh2.理解如下代码的含义1.学会使用寄存器设定所需io的方向,学会配置crl、crh最基础的大家还是要了解一下:crl用来存放低八 … WebApr 14, 2024 · 获取验证码. 密码. 登录 tj laufen znojmo