WebFeb 18, 2024 · Apparently (based on the wording in RM0008 as shown above) the writes to GPIOx_ODR are not atomic as a group, so if you want a bunch of pins on a port to be … WebDec 12, 2024 at 19:39. its doing what the code says. the defines are creating (uint32_t)0x40020000; then GPI0A is a define of ( (GPIO_Typedef *) …
STM32 GPIO registers cheatsheet · GitHub
WebBits 15:0 OTy[1:0]: Port x configuration bits (y = 0..15) These bits are written by software to configure the output type of the I/O port. 0: Output push-pull (reset state) 1: Output open-drain 6.4.3 GPIO port output speed register (GPIOx_OSPEEDR) (x = A..H) Address offset: 0x08 Reset values: 0x0000 00C0 for port B 0x0000 0000 for other ports WebMar 24, 2014 · GPIO port output speed register (GPIOx_OSPEEDR) — задается скорость работы выхода Мы не будем менять данных параметров, поскольку нас вполне устраивают значения по умолчанию. how to slim in photoshop
Part I L5 - GPIO - GitHub Pages
Web// Set the type and speed for a set of GPIO pins configured as output on a given GPIO port // input: // GPIOx - pointer to a GPIO peripheral handle // OT - output type of the GPIO pin (one of GPIOOT_xx values) ... // Write new value of the speed control register: GPIOx->OSPEEDR = OSPEEDR;} // Set the alternative function mapping for a GPIO pin ... WebNov 23, 2024 · If we look at the datasheet for the GPIOs From the Portenta microcontroller datasheet however under section 12 "General Purpose I/Os (GPIO)" it states: Each … WebMar 27, 2024 · Apparently (based on the wording in RM0008 as shown above) the writes to GPIOx_ODR are not atomic as a group, so if you want a bunch of pins on a port to be written atomically (all in the same instant) you need to use the GPIOx_BSRR (GPIO Bit Set/Reset Register) or the GPIOx_BRR (GPIO Bit Reset Register--can clear bits to 0 … novaliches district hospital address