USART_HardwareFlowControl sample

stm32f4xx_it.c:49

This function handles NMI exception.

stm32f4xx_it.c:58

This function handles Hard Fault exception.

stm32f4xx_it.c:119

This function handles Debug Monitor exception.

stm32f4xx_it.c:71

This function handles Memory Manage exception.

stm32f4xx_it.c:84

This function handles Bus Fault exception.

stm32f4xx_it.c:97

This function handles Usage Fault exception.

stm32f4xx_it.c:137

This function handles SysTick Handler.

stm32f4xx_it.c:110

This function handles SVCall exception.

stm32f4xx_it.c:128

This function handles PendSVC exception.

main.c:72

Main program

main.c:357

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

main.c:269

Set LED2 to Blinking mode for an infinite loop (toggle period based on value provided as input parameter).

main.c:223

Initialize LED2.

main.c:402

Function to manage User push-button

main.c:243

Turn-on LED2.

main.c:284

Configures User push-button in GPIO or EXTI Line Mode.

main.c:254

Turn-off LED2.

main.c:311

Wait for User push-button press to start transfer.

main.c:475

Function called in case of error detected in USART IT Handler

stm32f4xx_it.c:170

Brief This function handles USART1 Instance interrupt request. Param None Retval None

main.c:327

Wait end of transfer and check if received Data are well.

main.c:450

Function called from USART IRQ Handler when RXNE flag is set Function is in charge of reading character received on USART RX line.

main.c:205

This function initiates TX transfer

main.c:413

Function called for achieving next TX Byte sending

main.c:433

Function called at completion of last byte transmission

main.c:118

This function configures USART1.

system_stm32f4xx.c:79

Miscellaneous Configuration *********************** Vector Table base offset field. This value must be a multiple of 0x200.

main.h:21

@file Examples_LL/USART/USART_HardwareFlowControl/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.

stm32f4xx_it.h:21

@file Examples_LL/USART/USART_HardwareFlowControl/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.

main.h:42

LED2

main.h:43

main.h:57

Key push-button

main.h:60

main.h:51

main.h:58

main.h:61

main.h:68

main.h:44

main.h:59

main.h:64

main.h:62

main.h:63

main.h:49

Toggle periods for various blinking modes

main.c:38

main.h:50

main.c:43

Variables used for character transmission to PC Com port

main.c:44

main.c:45

main.c:50

Variables used for character reception from PC Com port

main.c:51