DAC_GenerateWaveform_TriggerHW 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:143

Main program

main.c:535

System Clock Configuration The system Clock is configured as follow : System Clock source = PLL (HSE) SYSCLK(Hz) = 180000000 HCLK(Hz) = 180000000 AHB Prescaler = 1 APB1 Prescaler = 2 APB2 Prescaler = 1 HSE Frequency(Hz) = 8000000 PLL_M = 8 PLL_N = 360 PLL_P = 2 VDD(V) = 3.3 Main regulator output voltage = Scale1 mode Flash Latency(WS) = 5

stm32f4xx_it.c:173

This function handles DAC1 interrupt.

main.c:461

Set LED1 to Blinking mode for an infinite loop (toggle period based on value provided as input parameter).

main.c:415

Initialize LED1.

main.c:596

Function to manage IRQ Handler

main.c:435

Turn-on LED1.

main.c:479

Configures User push-button in EXTI Line Mode.

main.c:446

Turn-off LED1.

main.c:506

Wait for User push-button press to start transfer.

stm32f4xx_it.c:191

This function handles DMA1 interrupt request.

main.c:186

This function configures DMA for transfer of data from DAC

main.c:334

Configure DAC (DAC instance: DAC1, DAC instance channel: channel1 ) and GPIO used by DAC channel.

main.c:379

Perform DAC activation procedure to make it ready to generate a voltage (DAC instance: DAC1).

main.c:624

DAC underrun interruption callback

main.c:256

Configure timer as a time base (timer instance: TIM6) used to trig DAC conversion.

main.c:613

DMA transfer error callback

system_stm32f4xx.c:78

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

main.h:21

@file Examples_LL/DAC/DAC_GenerateWaveform_TriggerHW/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/DAC/DAC_GenerateWaveform_TriggerHW/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:59

Key push-button

main.h:62

main.h:54

main.h:60

main.h:63

main.h:70

main.h:61

main.h:66

main.h:64

main.h:65

main.h:52

Toggle periods for various blinking modes

main.c:83

main.c:76

Computation of a data from maximum value on digital scale 12 bits (corresponding to voltage Vdda) to a value on the new scale (corresponding to voltage defined by WAVEFORM_AMPLITUDE).

main.h:45

LED1

main.h:53

main.h:46

main.c:39

main.h:47

main.c:87

main.c:45

main.c:54

main.c:50

main.c:52

main.c:59

main.c:62

main.c:64