I2C_OneBoard_Communication_IT_Init sample

stm32f4xx_it.c:51

This function handles NMI exception.

stm32f4xx_it.c:60

This function handles Hard Fault exception.

stm32f4xx_it.c:121

This function handles Debug Monitor exception.

stm32f4xx_it.c:73

This function handles Memory Manage exception.

stm32f4xx_it.c:86

This function handles Bus Fault exception.

stm32f4xx_it.c:99

This function handles Usage Fault exception.

stm32f4xx_it.c:139

This function handles SysTick Handler.

stm32f4xx_it.c:112

This function handles SVCall exception.

stm32f4xx_it.c:130

This function handles PendSVC exception.

main.c:83

Main program

main.c:560

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:453

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

main.c:407

Initialize LED2.

main.c:604

Function to manage User push-button

main.c:427

Turn-on LED2.

main.c:471

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

main.c:438

Turn-off LED2.

stm32f4xx_it.c:172

Brief This function handles I2C1 (Slave) event interrupt request. Param None Retval None

stm32f4xx_it.c:215

Brief This function handles I2C1 (Slave) error interrupt request. Param None Retval None

main.c:498

Wait for User push-button press to start transfer.

main.c:771

Function called in case of error detected in I2C IT Handler

main.c:254

This function configures I2C2 in Master mode.

main.c:389

This function Activate I2C2 peripheral (Master)

main.c:530

This Function handle Master events to perform a reception process

main.c:679

Function called from Slave I2C IRQ Handler when STOP condition is detected Function is in charge of disabling interrupts.

main.c:368

This function Activate I2C1 peripheral (Slave)

main.c:516

This Function handle Slave events to perform a transmission process

main.c:139

This function configures I2C1 in Slave mode.

main.c:616

Function called from I2C IRQ Handler when TXE flag is set Function is in charge of transmit a byte on I2C lines.

main.c:696

Function called from I2C IRQ Handler when STOP flag is set Function is in charge of checking data received, LED2 is On if data are correct.

main.c:637

Function called from I2C IRQ Handler when RXNE flag is set Function is in charge of reading byte received on I2C lines.

stm32f4xx_it.c:239

Brief This function handles I2C2 (Master) interrupt request. Param None Retval None

stm32f4xx_it.c:294

Brief This function handles I2C2 (Master) error interrupt request. Param None Retval None

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/I2C/I2C_OneBoard_Communication_IT_Init/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/I2C/I2C_OneBoard_Communication_IT_Init/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:58

Key push-button

main.h:61

main.h:52

main.h:59

main.h:62

main.h:69

main.h:44

main.h:60

main.h:65

main.h:63

main.h:64

main.h:50

Toggle periods for various blinking modes

main.c:53

main.c:41

main.c:40

I2C devices settings

main.c:52

main.h:51

main.c:51

main.c:59

main.c:58

Variables related to MasterReceive process

main.h:74

Slave settings

main.c:33

main.c:46

Define related to SlaveTransmit process

main.h:82

Master Transfer Request Direction

main.h:83