BuildTests/ModuleTest/Test_C.c


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31

/*
             LUFA Library
     Copyright (C) Dean Camera, 2015.

  dean [at] fourwalledcubicle [dot] com
           www.lufa-lib.org
*/

/*
  Copyright 2015  Dean Camera (dean [at] fourwalledcubicle [dot] com)

  Permission to use, copy, modify, distribute, and sell this
  software and its documentation for any purpose is hereby granted
  without fee, provided that the above copyright notice appear in
  all copies and that both that the copyright notice and this
  permission notice and warranty disclaimer appear in supporting
  documentation, and that the name of the author not be used in
  advertising or publicity pertaining to distribution of the
  software without specific, written prior permission.

  The author disclaims all warranties with regard to this
  software, including all implied warranties of merchantability
  and fitness.  In no event shall the author be liable for any
  special, indirect or consequential damages or any damages
  whatsoever resulting from loss of use, data or profits, whether
  in an action of contract, negligence or other tortious action,
  arising out of or in connection with the use or performance of
  this software.
*/

#include "Modules.h"
/**
  ******************************************************************************
  * @file    stm32f10x_dac.c
  * @author  MCD Application Team
  * @version V3.1.0
  * @date    06/19/2009
  * @brief   This file provides all the DAC firmware functions.
  ******************************************************************************
  * @copy
  *
  * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
  * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
  * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY
  * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
  * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
  * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
  *
  * <h2><center>&copy; COPYRIGHT 2009 STMicroelectronics</center></h2>
  */ 

/* Includes ------------------------------------------------------------------*/
#include "stm32f10x_dac.h"
#include "stm32f10x_rcc.h"

/** @addtogroup STM32F10x_StdPeriph_Driver
  * @{
  */

/** @defgroup DAC 
  * @brief DAC driver modules
  * @{
  */ 

/** @defgroup DAC_Private_TypesDefinitions
  * @{
  */

/**
  * @}
  */

/** @defgroup DAC_Private_Defines
  * @{
  */

/* DAC EN mask */
#define CR_EN_Set                  ((uint32_t)0x00000001)

/* DAC DMAEN mask */
#define CR_DMAEN_Set               ((uint32_t)0x00001000)

/* CR register Mask */
#define CR_CLEAR_Mask              ((uint32_t)0x00000FFE)

/* DAC SWTRIG mask */
#define SWTRIGR_SWTRIG_Set         ((uint32_t)0x00000001)

/* DAC Dual Channels SWTRIG masks */
#define DUAL_SWTRIG_Set            ((uint32_t)0x00000003)
#define DUAL_SWTRIG_Reset          ((uint32_t)0xFFFFFFFC)

/* DHR registers offsets */
#define DHR12R1_Offset             ((uint32_t)0x00000008)
#define DHR12R2_Offset             ((uint32_t)0x00000014)
#define DHR12RD_Offset             ((uint32_t)0x00000020)

/* DOR register offset */
#define DOR_Offset                 ((uint32_t)0x0000002C)
/**
  * @}
  */

/** @defgroup DAC_Private_Macros
  * @{
  */

/**
  * @}
  */

/** @defgroup DAC_Private_Variables
  * @{
  */

/**
  * @}
  */

/** @defgroup DAC_Private_FunctionPrototypes
  * @{
  */

/**
  * @}
  */

/** @defgroup DAC_Private_Functions
  * @{
  */

/**
  * @brief  Deinitializes the DAC peripheral registers to their default reset values.
  * @param  None
  * @retval None
  */
void DAC_DeInit(void)
{
  /* Enable DAC reset state */
  RCC_APB1PeriphResetCmd(RCC_APB1Periph_DAC, ENABLE);
  /* Release DAC from reset state */
  RCC_APB1PeriphResetCmd(RCC_APB1Periph_DAC, DISABLE);
}

/**
  * @brief  Initializes the DAC peripheral according to the specified 
  *   parameters in the DAC_InitStruct.
  * @param  DAC_Channel: the selected DAC channel. 
  *   This parameter can be one of the following values:
  *     @arg DAC_Channel_1: DAC Channel1 selected
  *     @arg DAC_Channel_2: DAC Channel2 selected
  * @param  DAC_InitStruct: pointer to a DAC_InitTypeDef structure that
  *   contains the configuration information for the specified DAC channel.
  * @retval None
  */
void DAC_Init(uint32_t DAC_Channel, DAC_InitTypeDef* DAC_InitStruct)
{
  uint32_t tmpreg1 = 0, tmpreg2 = 0;
  /* Check the DAC parameters */
  assert_param(IS_DAC_TRIGGER(DAC_InitStruct->DAC_Trigger));
  assert_param(IS_DAC_GENERATE_WAVE(DAC_InitStruct->DAC_WaveGeneration));
  assert_param(IS_DAC_LFSR_UNMASK_TRIANGLE_AMPLITUDE(DAC_InitStruct->DAC_LFSRUnmask_TriangleAmplitude));
  assert_param(IS_DAC_OUTPUT_BUFFER_STATE(DAC_InitStruct->DAC_OutputBuffer));
/*---------------------------- DAC CR Configuration --------------------------*/
  /* Get the DAC CR value */
  tmpreg1 = DAC->CR;
  /* Clear BOFFx, TENx, TSELx, WAVEx and MAMPx bits */
  tmpreg1 &= ~(CR_CLEAR_Mask << DAC_Channel);
  /* Configure for the selected DAC channel: buffer output, trigger, wave genration,
     mask/amplitude for wave genration */
  /* Set TSELx and TENx bits according to DAC_Trigger value */
  /* Set WAVEx bits according to DAC_WaveGeneration value */
  /* Set MAMPx bits according to DAC_LFSRUnmask_TriangleAmplitude value */ 
  /* Set BOFFx bit according to DAC_OutputBuffer value */   
  tmpreg2 = (DAC_InitStruct->DAC_Trigger | DAC_InitStruct->DAC_WaveGeneration |
             DAC_InitStruct->DAC_LFSRUnmask_TriangleAmplitude | DAC_InitStruct->DAC_OutputBuffer);
  /* Calculate CR register value depending on DAC_Channel */
  tmpreg1 |= tmpreg2 << DAC_Channel;
  /* Write to DAC CR */
  DAC->CR = tmpreg1;
}

/**
  * @brief  Fills each DAC_InitStruct member with its default value.
  * @param  DAC_InitStruct : pointer to a DAC_InitTypeDef structure which will
  *   be initialized.
  * @retval None
  */
void DAC_StructInit(DAC_InitTypeDef* DAC_InitStruct)
{
/*--------------- Reset DAC init structure parameters values -----------------*/
  /* Initialize the DAC_Trigger member */
  DAC_InitStruct->DAC_Trigger = DAC_Trigger_None;
  /* Initialize the DAC_WaveGeneration member */
  DAC_InitStruct->DAC_WaveGeneration = DAC_WaveGeneration_None;
  /* Initialize the DAC_LFSRUnmask_TriangleAmplitude member */
  DAC_InitStruct->DAC_LFSRUnmask_TriangleAmplitude = DAC_LFSRUnmask_Bit0;
  /* Initialize the DAC_OutputBuffer member */
  DAC_InitStruct->DAC_OutputBuffer = DAC_OutputBuffer_Enable;
}

/**
  * @brief  Enables or disables the specified DAC channel.
  * @param  DAC_Channel: the selected DAC channel. 
  *   This parameter can be one of the following values:
  *     @arg DAC_Channel_1: DAC Channel1 selected
  *     @arg DAC_Channel_2: DAC Channel2 selected
  * @param  NewState: new state of the DAC channel. 
  *   This parameter can be: ENABLE or DISABLE.
  * @retval None
  */
void DAC_Cmd(uint32_t DAC_Channel, FunctionalState NewState)
{
  /* Check the parameters */
  assert_param(IS_DAC_CHANNEL(DAC_Channel));
  assert_param(IS_FUNCTIONAL_STATE(NewState));
  if (NewState != DISABLE)
  {
    /* Enable the selected DAC channel */
    DAC->CR |= CR_EN_Set << DAC_Channel;
  }
  else
  {
    /* Disable the selected DAC channel */
    DAC->CR &= ~(CR_EN_Set << DAC_Channel);
  }
}

/**
  * @brief  Enables or disables the specified DAC channel DMA request.
  * @param  DAC_Channel: the selected DAC channel. 
  *   This parameter can be one of the following values:
  *     @arg DAC_Channel_1: DAC Channel1 selected
  *     @arg DAC_Channel_2: DAC Channel2 selected
  * @param  NewState: new state of the selected DAC channel DMA request.
  *   This parameter can be: ENABLE or DISABLE.
  * @retval None
  */
void DAC_DMACmd(uint32_t DAC_Channel, FunctionalState NewState)
{
  /* Check the parameters */
  assert_param(IS_DAC_CHANNEL(DAC_Channel));
  assert_param(IS_FUNCTIONAL_STATE(NewState));
  if (NewState != DISABLE)
  {
    /* Enable the selected DAC channel DMA request */
    DAC->CR |= CR_DMAEN_Set << DAC_Channel;
  }
  else
  {
    /* Disable the selected DAC channel DMA request */
    DAC->CR &= ~(CR_DMAEN_Set << DAC_Channel);
  }
}

/**
  * @brief  Enables or disables the selected DAC channel software trigger.
  * @param  DAC_Channel: the selected DAC channel. 
  *   This parameter can be one of the following values:
  *     @arg DAC_Channel_1: DAC Channel1 selected
  *     @arg DAC_Channel_2: DAC Channel2 selected
  * @param  NewState: new state of the selected DAC channel software trigger.
  *   This parameter can be: ENABLE or DISABLE.
  * @retval None
  */
void DAC_SoftwareTriggerCmd(uint32_t DAC_Channel, FunctionalState NewState)
{
  /* Check the parameters */
  assert_param(IS_DAC_CHANNEL(DAC_Channel));
  assert_param(IS_FUNCTIONAL_STATE(NewState));
  if (NewState != DISABLE)
  {
    /* Enable software trigger for the selected DAC channel */
    DAC->SWTRIGR |= SWTRIGR_SWTRIG_Set << (DAC_Channel >> 4);
  }
  else
  {
    /* Disable software trigger for the selected DAC channel */
    DAC->SWTRIGR &= ~(SWTRIGR_SWTRIG_Set << (DAC_Channel >> 4));
  }
}

/**
  * @brief  Enables or disables simultaneously the two DAC channels software
  *   triggers.
  * @param  NewState: new state of the DAC channels software triggers.
  *   This parameter can be: ENABLE or DISABLE.
  * @retval None
  */
void DAC_DualSoftwareTriggerCmd(FunctionalState NewState)
{
  /* Check the parameters */
  assert_param(IS_FUNCTIONAL_STATE(NewState));
  if (NewState != DISABLE)
  {
    /* Enable software trigger for both DAC channels */
    DAC->SWTRIGR |= DUAL_SWTRIG_Set ;
  }
  else
  {
    /* Disable software trigger for both DAC channels */
    DAC->SWTRIGR &= DUAL_SWTRIG_Reset;
  }
}

/**
  * @brief  Enables or disables the selected DAC channel wave generation.
  * @param  DAC_Channel: the selected DAC channel. 
  *   This parameter can be one of the following values:
  *     @arg DAC_Channel_1: DAC Channel1 selected
  *     @arg DAC_Channel_2: DAC Channel2 selected
  * @param  DAC_Wave: Specifies the wave type to enable or disable.
  *   This parameter can be one of the following values:
  *     @arg DAC_Wave_Noise: noise wave generation
  *     @arg DAC_Wave_Triangle: triangle wave generation
  * @param  NewState: new state of the selected DAC channel wave generation.
  *   This parameter can be: ENABLE or DISABLE.
  * @retval None
  */
void DAC_WaveGenerationCmd(uint32_t DAC_Channel, uint32_t DAC_Wave, FunctionalState NewState)
{
  /* Check the parameters */
  assert_param(IS_DAC_CHANNEL(DAC_Channel));
  assert_param(IS_DAC_WAVE(DAC_Wave)); 
  assert_param(IS_FUNCTIONAL_STATE(NewState));
  if (NewState != DISABLE)
  {
    /* Enable the selected wave generation for the selected DAC channel */
    DAC->CR |= DAC_Wave << DAC_Channel;
  }
  else
  {
    /* Disable the selected wave generation for the selected DAC channel */
    DAC->CR &= ~(DAC_Wave << DAC_Channel);
  }
}

/**
  * @brief  Set the specified data holding register value for DAC channel1.
  * @param  DAC_Align: Specifies the data alignement for DAC channel1.
  *   This parameter can be one of the following values:
  *     @arg DAC_Align_8b_R: 8bit right data alignement selected
  *     @arg DAC_Align_12b_L: 12bit left data alignement selected
  *     @arg DAC_Align_12b_R: 12bit right data alignement selected
  * @param  Data : Data to be loaded in the selected data holding register.
  * @retval None
  */
void DAC_SetChannel1Data(uint32_t DAC_Align, uint16_t Data)
{  
  __IO uint32_t tmp = 0;
  
  /* Check the parameters */
  assert_param(IS_DAC_ALIGN(DAC_Align));
  assert_param(IS_DAC_DATA(Data));
  
  tmp = (uint32_t)DAC_BASE; 
  tmp += DHR12R1_Offset + DAC_Align;

  /* Set the DAC channel1 selected data holding register */
  *(__IO uint32_t *) tmp = Data;
}

/**
  * @brief  Set the specified data holding register value for DAC channel2.
  * @param  DAC_Align: Specifies the data alignement for DAC channel2.
  *   This parameter can be one of the following values:
  *     @arg DAC_Align_8b_R: 8bit right data alignement selected
  *     @arg DAC_Align_12b_L: 12bit left data alignement selected
  *     @arg DAC_Align_12b_R: 12bit right data alignement selected
  * @param  Data : Data to be loaded in the selected data holding register.
  * @retval None
  */
void DAC_SetChannel2Data(uint32_t DAC_Align, uint16_t Data)
{
  __IO uint32_t tmp = 0;

  /* Check the parameters */
  assert_param(IS_DAC_ALIGN(DAC_Align));
  assert_param(IS_DAC_DATA(Data));
  
  tmp = (uint32_t)DAC_BASE;
  tmp += DHR12R2_Offset + DAC_Align;

  /* Set the DAC channel2 selected data holding register */
  *(__IO uint32_t *)tmp = Data;
}

/**
  * @brief  Set the specified data holding register value for dual channel
  *   DAC.
  * @param  DAC_Align: Specifies the data alignement for dual channel DAC.
  *   This parameter can be one of the following values:
  *     @arg DAC_Align_8b_R: 8bit right data alignement selected
  *     @arg DAC_Align_12b_L: 12bit left data alignement selected
  *     @arg DAC_Align_12b_R: 12bit right data alignement selected
  * @param  Data2: Data for DAC Channel2 to be loaded in the selected data 
  *   holding register.
  * @param  Data1: Data for DAC Channel1 to be loaded in the selected data 
  *   holding register.
  * @retval None
  */
void DAC_SetDualChannelData(uint32_t DAC_Align, uint16_t Data2, uint16_t Data1)
{
  uint32_t data = 0, tmp = 0;
  
  /* Check the parameters */
  assert_param(IS_DAC_ALIGN(DAC_Align));
  assert_param(IS_DAC_DATA(Data1));
  assert_param(IS_DAC_DATA(Data2));
  
  /* Calculate and set dual DAC data holding register value */
  if (DAC_Align == DAC_Align_8b_R)
  {
    data = ((uint32_t)Data2 << 8) | Data1; 
  }
  else
  {
    data = ((uint32_t)Data2 << 16) | Data1;
  }
  
  tmp = (uint32_t)DAC_BASE;
  tmp += DHR12RD_Offset + DAC_Align;

  /* Set the dual DAC selected data holding register */
  *(__IO uint32_t *)tmp = data;
}

/**
  * @brief  Returns the last data output value of the selected DAC cahnnel.
  * @param  DAC_Channel: the selected DAC channel. 
  *   This parameter can be one of the following values:
  *     @arg DAC_Channel_1: DAC Channel1 selected
  *     @arg DAC_Channel_2: DAC Channel2 selected
  * @retval The selected DAC channel data output value.
  */
uint16_t DAC_GetDataOutputValue(uint32_t DAC_Channel)
{
  __IO uint32_t tmp = 0;
  
  /* Check the parameters */
  assert_param(IS_DAC_CHANNEL(DAC_Channel));
  
  tmp = (uint32_t) DAC_BASE ;
  tmp += DOR_Offset + ((uint32_t)DAC_Channel >> 2);
  
  /* Returns the DAC channel data output register value */
  return (uint16_t) (*(__IO uint32_t*) tmp);
}

/**
  * @}
  */

/**
  * @}
  */

/**
  * @}
  */

/******************* (C) COPYRIGHT 2009 STMicroelectronics *****END OF FILE****/