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SourceVuSTM32 Libraries and SamplesUSART_SyncCommunication_FullDuplex_IT

USART_SyncCommunication_FullDuplex_IT sample

USART_SyncCommunication_FullDuplex_IT 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
Turn-on LED2.
Configures User push-button in GPIO or EXTI Line Mode.
This function handles DMA2_Stream3 interrupt request.
Turn-off LED2.
Wait for User push-button press to start transfer.
Compares two 8-bit buffers and returns the comparison result.
Brief This function handles USART1 Instance interrupt request. Param None Retval None
Wait end of transfer and check if received Data are well.
Function called in case of error detected in SPI IT Handler
This function configures SPI1.
This function Activate SPI1
Function called from USART IRQ Handler when RXNE flag is set Function is in charge of reading character received on USART RX line.
This function initiates TX and RX DMA transfers by enabling DMA channels
Function called in case of error detected in USART IT Handler
This function handles DMA2_Stream2 interrupt request.
Function called for achieving next TX Byte sending
Function called at completion of last byte transmission
This function configures USART1.
Function called from DMA2 IRQ Handler when Tx transfer is completed (SPI1)
Function called from DMA2 IRQ Handler when Rx transfer is completed (SPI1)
This function configures the DMA Channels for SPI1

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_SyncCommunication_FullDuplex_IT/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_SyncCommunication_FullDuplex_IT/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.
Key push-button
Toggle periods for various blinking modes

Dependencies

USART_SyncCommunication_FullDuplex_IT depends on the following libraries: