When it comes to send data thorough multi-serial port by using printf, how it can be handled? We will have a look at a simple example of it. In this …

If we have a look at stm32f4xx_hal.c, we see as “Care must be taken if HAL_Delay() is called from a peripheral ISR process, The SysTick interrupt must have higher priority …

If we need to receive integer values from serial port, we can use “stdlib.h” as includes and then atoi, atof etc. functions to convert string values to integer or floating …

Example 1: (PA0 gpio input, pull down) The Exti runs as long as triggering thorough PA0 pin. [crayon-6a1b46a021c50544182972/] Example 2: (PC9 GPIO_EXTI9, rising edge, pull down) In the beginning, the …

TA = 25 °C, VDD = 3.3 V (for the 2 V ≤ VDD ≤ 3.6 V voltage range) As we look at the picture, value of analog reference voltage …