![]() I tested how is the grade of portability of Arduino C language on STM Core microcontroller board. FILE -> EXAMPLES -> LiquidCrystal -> HelloWorld.FILE -> EXAMPLES -> BASICS -> AnalogReadSerial.FILE -> EXAMPLES -> BASICS -> nd an information trough a Serial asure a voltage by internal ADC asure the voltage on a Digital input pin (BUTTON).change the state of a GPIO pin (BLINK a LED).In the Arduino IDE are built in simple examples like: I’m going to show what happen when you use Arduino C programming language on a STM32F401RE Nucleo board. ![]() To perform this task follow link: STM32Duino getting started Pin compatibility to Nucleo STM32F401RE Installing STM32 Core devices on Arduino IDEīefore to use STM32 Core microcontroller by Arduino IDE editing and programming platform, you have to upload as a new Device the STM32 Core Devices. More info on Nucleo development board following link: The image below assign some STM32 Nucleo F401RE version board pin as used on Arduino UNO board (Green coloured labels). STM32 Nucleo-64 development board with STM32F401RE MCU, supports Arduino portability of Arduino to STM32 Nucleo F401RE pin Blink exampleīy powering On and Off alternatively one Arduino D13 aka Nucleo PA5 pin, you should see Green LED2 blinking (I noticed a labeling error on the official image above. the setup function runs once when you press reset or power the board LD1 is not attached to PA5/D13 pin, instead LD2). the loop function runs over and over again foreverĭigitalWrite(LED2, HIGH) // turn the LED on (HIGH is the voltage level)ĭelay(100) // wait for a 100 millisecondĭigitalWrite(LED2, LOW) // turn the LED off by making the voltage LOW initialize digital pin LED_BUILTIN as an output. How fast is the pure blinking (no delay added). Base code generated with STM32CubeMX, code build and upload done with Segger IDE. I measured 2us per high + low transition as in the image below. Simply blink LD2 when pressing blue button on Nucelo F401RE. ![]() The speed of Arduino UNO pin is 7us per high + low transition as in the image below. Int buttonState = digitalRead(pushButton) ĭelay(1) // delay in between reads for stability the loop routine runs over and over again forever: initialize serial communication at 9600 bits per second: the setup routine runs once when you press reset: #define LED2 PA5 // digital pin Nucleo STM32F401RE #define pushButton PC13 // digital pin Nucleo STM32F401RE Nucleo board read pin PC13 attached to “user B1” button. If I try to use Serial monitor, Arduino IDE prompt an error. It says in this PDF file under section 6.I spent some hours around this communication problem and I’m embarrassed to say I was not able to fix it. A total of 4 Mini-USB cables used, I have verified one of the Mini-USB cables to work as files can be read when I plug a digital camera in.Microsoft Surface Pro 4 with 64-bit Windows 10 Pro swapped with HP Compaq with 64-bit Windows 7 Enterprise. ![]() I have swapped out computers and Mini-USB cables as shown below:
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