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SourceVuSTM32 Libraries and SamplesUSART_Communication_Rx_IT_Continuous

USART_Communication_Rx_IT_Continuous sample

USART_Communication_Rx_IT_Continuous is a sample project defining the following symbols:

Most used functions

Name
Location
Summary
This function handles NMI exception.
This function handles Hard Fault exception.
This function handles Debug Monitor exception.
This function handles Memory Manage exception.
This function handles Bus Fault exception.
This function handles Usage Fault exception.
This function handles SysTick Handler.
This function handles SVCall exception.
This function handles PendSVC exception.
Main program
System Clock Configuration The system Clock is configured as follow : System Clock source = PLL (HSE) SYSCLK(Hz) = 100000000 HCLK(Hz) = 100000000 AHB Prescaler = 1 APB1 Prescaler = 2 APB2 Prescaler = 1 HSE Frequency(Hz) = 8000000 PLL_M = 8 PLL_N = 400 PLL_P = 4 VDD(V) = 3.3 Main regulator output voltage = Scale1 mode Flash Latency(WS) = 3
Set LED2 to Blinking mode for an infinite loop (toggle period based on value provided as input parameter).
Initialize LED2.
Function to manage User push-button
Configures User push-button in GPIO or EXTI Line Mode.
Turn-off LED2.
Wait for User push-button press to start transfer.
Function called in case of error detected in USART IT Handler
This function configures USARTx Instance.
Function called from USART IRQ Handler when RXNE flag is set Function is in charge of reading character received on USART RX line.
Send Txt information message on USART Tx line (to PC Com port).
Example of User callback in charge of consuming received data.
This function prints user info on PC com port and initiates RX transfer
This function monitors buffer filling indication and calls User callbacks when a buffer is full

Other commonly used symbols

Name
Location
Summary
Miscellaneous Configuration *********************** Vector Table base offset field. This value must be a multiple of 0x200.
@file Examples_LL/USART/USART_Communication_Rx_IT_Continuous/Inc/main.h @author MCD Application Team Header for main.c module @attention Copyright (c) 2017 STMicroelectronics. All rights reserved. This software is licensed under terms that can be found in the LICENSE file in the root directory of this software component. If no LICENSE file comes with this software, it is provided AS-IS.
@file Examples_LL/USART/USART_Communication_Rx_IT_Continuous/Inc/stm32f4xx_it.h @author MCD Application Team This file contains the headers of the interrupt handlers. @attention Copyright (c) 2017 STMicroelectronics. All rights reserved. This software is licensed under terms that can be found in the LICENSE file in the root directory of this software component. If no LICENSE file comes with this software, it is provided AS-IS.
Toggle periods for various blinking modes
Text strings printed on PC Com port for user information
RX buffers for storing received data

Dependencies

USART_Communication_Rx_IT_Continuous depends on the following libraries: