Port led3 nucleo f401re1/27/2024 A first argument is a pin number and the second value to this function is logic state either ‘HIGH’ or ‘LOW’. This function sets or clears digital output pins if the pin has been configured as a digital output pin with pinMode() function. PinMode(PA_5, INPUT) // configure PA_5 pin as a digital output pin digitalWrite(pin_number, value) PinMode(PA_7, OUTPUT) // configure PA_7 pin as a digital output pin pinMode(PD_2, OUTPUT) // configure PD_2 pin as a digital output pin For example, if we write pinMode(22, OUTPUT), it will declare pin number 22 as a digital output pin. The second argument is either INPUT or OUTPUT. The first argument to this function is a pin number or pin name to which you want to declare either as an input or output. This function is used to configure GIPO pins mode either as an input or output. If you have already used Arduino IDE for Arduino, ESP32, or ESP8266 programming, you will be already familiar with these functions : pinMode(pin_name, pin_mode) These routines are used to configure GPIO pins. To write LED blinking code for STM32 Nucleo, first, we need to understand three main functions available in Arduino IDE. Program STM32 Nucleo GPIO pins with Arduino IDE The following diagrams of different connectors of Nucleo-F103RB board show various GPIO pins for UART, I2C, SPI, ADC, CAN, Timers output, and USB communication. But you can use only one functionality at a time. We can use any one of these pins as a digital input or digital output.Įach GPIO pin may have multiple functions. Various features of Nucleo-F103RB are mentioned below: Features and PeripheralsĪccording to the above table, this STM32 Nucleo board has 51 general purpose input-output pins. The Nucleo-F103RB board comes with an STM32F103RBT6 microcontroller which is ARM®32-bit Cortex®-M3 CPU. But you can use any other Nucleo board also and follow the same instructions to use GPIO pins as digital output pins. But the one which we are going to use in this tutorial is a Nucleo-F103RB board. *This information is for general informational purposes only, we will not be liable for any loss or damage caused by the above information.As discussed in the previous tutorial, there are many variants of STM32 Nucleo boards are available. The company offers a wide range of products including microcontrollers, sensors, power amplifiers, and integrated circuits for various applications in the automotive, industrial, and consumer markets.įounded in 1987, STMicroelectronics has operations in over 100 countries and is one of the largest semiconductor companies in the world. STMicroelectronics is a multinational electronics and semiconductor manufacturer based in Geneva, Switzerland. SPI display expansion board for STM32 Nucleo SPI display expansion boards for STM32 Nucleo-64 Support of wide choice of Integrated Development Environments (IDEs) including IAR™, ARM® Keil®, GCC-based IDEs.Three different interfaces supported on USB: – USB communication (LD1), user LED (LD2), power LED (LD3) – USB VBUS or external source (3.3V, 5V, 7 - 12V) – Selection-mode switch to use the kit as a standalone ST-LINK/V2-1 On-board ST-LINK/V2-1 debugger/programmer with SWD connector:. – ST morpho extension pin headers for full access to all STM32 I/Os The STM32 Nucleo board comes with the STM32 comprehensive software HAL library together with various packaged software examples, as well as direct access to the ARM® mbed™ online resources at. The STM32 Nucleo board does not require any separate probe as it integrates the ST-LINK/V2-1 debugger and programmer. The Arduino™Uno V3 connectivity support and the ST morpho headers allow to expand easily the functionality of the STM32 Nucleo open development platform with a wide choice of specialized shields. The STM32 Nucleo board provides an affordable and flexible way for users to try out new concepts and build prototypes with the STM32 microcontroller, choosing from the various combinations of performance, power consumption and features.
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