Documentation
See Class Github for the example documentation
Embedded Controller HAL Library
Written by: Your Name
Program: C/C++
IDE/Compiler: Keil uVision 5
OS: WIn10
MCU: STM32F411RE, Nucleo-64
Table of Contents
GPIO Digital InOut
Header File
#include "ecGPIO.h"
GPIO_init()
Initializes GPIO pins with default setting and Enables GPIO Clock. Mode: In/Out/AF/Analog
Parameters
Port: Port Number, GPIOA~GPIOH
pin: pin number (int) 0~15
mode: INPUT(0), OUTPUT(1), AF(02), ANALOG (03)
Example code
GPIO_mode()
Configures GPIO pin modes: In/Out/AF/Analog
Parameters
Port: Port Number, GPIOA~GPIOH
pin: pin number (int) 0~15
mode: INPUT (0), OUTPUT (1), AF(02), ANALOG (03)
Example code
GPIO_write()
Write the data to GPIO pin: High, Low
Parameters
Port: Port Number, GPIOA~GPIOH
pin: pin number (int) 0~15
output: LOW(0), HIGH(1)
Example code
GPIO_read()
Read the data from GPIO pin
Parameters
Port: Port Number, GPIOA~GPIOH
pin: pin number (int) 0~15
Example code
GPIO_ospeed()
Configures output speed of GPIO pin : Low, Mid, Fast, High
Parameters
Port: Port Number, GPIOA~GPIOH
pin: pin number (int) 0~15
speed: LOW_SPEED(0), MID_SPEED(1), FAST_SPEED(2) , HIGH_SPEED(3)
Example code
GPIO_otype()
Configures output type of GPIO pin: Push-Pull / Open-Drain
Parameters
Port: Port Number, GPIOA~GPIOH
pin: pin number (int) 0~15
type: PUSH_PULL(0), OPEN_DRAIN(1)
Example code
GPIO_pupdr()
Configures Pull-up/Pull-down mode of GPIO pin: No Pull-up, Pull-down/ Pull-up/ Pull-down/ Reserved
Parameters
Port: Port Number, GPIOA~GPIOH
pin: pin number (int) 0~15
pupd: NO_PUPD(0), PULL_UP(1), PULL_DOWN(2), RESERVED(3)
Example code
Class or Header name
Function Name
Parameters
p1
p2
Example code
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