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Diff: targets/cmsis/TARGET_STM/TARGET_DISCO_F100RB/stm32f10x_dac.c
- Revision:
- 497:d54623194236
- Parent:
- 496:543871686697
- Child:
- 498:b3c41e21851c
--- a/targets/cmsis/TARGET_STM/TARGET_DISCO_F100RB/stm32f10x_dac.c Tue Mar 24 09:00:08 2015 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,586 +0,0 @@
-/**
- ******************************************************************************
- * @file stm32f10x_dac.c
- * @author MCD Application Team
- * @version V3.6.1
- * @date 05-March-2012
- * @brief This file provides all the DAC firmware functions.
- *******************************************************************************
- * Copyright (c) 2014, STMicroelectronics
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- * this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials provided with the distribution.
- * 3. Neither the name of STMicroelectronics nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *******************************************************************************
- */
-
-/* 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
- * @{
- */
-
-/* CR register Mask */
-#define CR_CLEAR_MASK ((uint32_t)0x00000FFE)
-
-/* 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 generation,
- mask/amplitude for wave generation */
- /* 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 |= (DAC_CR_EN1 << DAC_Channel);
- }
- else
- {
- /* Disable the selected DAC channel */
- DAC->CR &= ~(DAC_CR_EN1 << DAC_Channel);
- }
-}
-#if defined (STM32F10X_LD_VL) || defined (STM32F10X_MD_VL) || defined (STM32F10X_HD_VL)
-/**
- * @brief Enables or disables the specified DAC interrupts.
- * @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_IT: specifies the DAC interrupt sources to be enabled or disabled.
- * This parameter can be the following values:
- * @arg DAC_IT_DMAUDR: DMA underrun interrupt mask
- * @param NewState: new state of the specified DAC interrupts.
- * This parameter can be: ENABLE or DISABLE.
- * @retval None
- */
-void DAC_ITConfig(uint32_t DAC_Channel, uint32_t DAC_IT, FunctionalState NewState)
-{
- /* Check the parameters */
- assert_param(IS_DAC_CHANNEL(DAC_Channel));
- assert_param(IS_FUNCTIONAL_STATE(NewState));
- assert_param(IS_DAC_IT(DAC_IT));
-
- if (NewState != DISABLE)
- {
- /* Enable the selected DAC interrupts */
- DAC->CR |= (DAC_IT << DAC_Channel);
- }
- else
- {
- /* Disable the selected DAC interrupts */
- DAC->CR &= (~(uint32_t)(DAC_IT << DAC_Channel));
- }
-}
-#endif
-
-/**
- * @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 |= (DAC_CR_DMAEN1 << DAC_Channel);
- }
- else
- {
- /* Disable the selected DAC channel DMA request */
- DAC->CR &= ~(DAC_CR_DMAEN1 << 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 |= (uint32_t)DAC_SWTRIGR_SWTRIG1 << (DAC_Channel >> 4);
- }
- else
- {
- /* Disable software trigger for the selected DAC channel */
- DAC->SWTRIGR &= ~((uint32_t)DAC_SWTRIGR_SWTRIG1 << (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 alignment for DAC channel1.
- * This parameter can be one of the following values:
- * @arg DAC_Align_8b_R: 8bit right data alignment selected
- * @arg DAC_Align_12b_L: 12bit left data alignment selected
- * @arg DAC_Align_12b_R: 12bit right data alignment 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 alignment for DAC channel2.
- * This parameter can be one of the following values:
- * @arg DAC_Align_8b_R: 8bit right data alignment selected
- * @arg DAC_Align_12b_L: 12bit left data alignment selected
- * @arg DAC_Align_12b_R: 12bit right data alignment 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 alignment for dual channel DAC.
- * This parameter can be one of the following values:
- * @arg DAC_Align_8b_R: 8bit right data alignment selected
- * @arg DAC_Align_12b_L: 12bit left data alignment selected
- * @arg DAC_Align_12b_R: 12bit right data alignment 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 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
- * @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);
-}
-
-#if defined (STM32F10X_LD_VL) || defined (STM32F10X_MD_VL) || defined (STM32F10X_HD_VL)
-/**
- * @brief Checks whether the specified DAC flag is set or not.
- * @param DAC_Channel: thee 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_FLAG: specifies the flag to check.
- * This parameter can be only of the following value:
- * @arg DAC_FLAG_DMAUDR: DMA underrun flag
- * @retval The new state of DAC_FLAG (SET or RESET).
- */
-FlagStatus DAC_GetFlagStatus(uint32_t DAC_Channel, uint32_t DAC_FLAG)
-{
- FlagStatus bitstatus = RESET;
- /* Check the parameters */
- assert_param(IS_DAC_CHANNEL(DAC_Channel));
- assert_param(IS_DAC_FLAG(DAC_FLAG));
-
- /* Check the status of the specified DAC flag */
- if ((DAC->SR & (DAC_FLAG << DAC_Channel)) != (uint8_t)RESET)
- {
- /* DAC_FLAG is set */
- bitstatus = SET;
- }
- else
- {
- /* DAC_FLAG is reset */
- bitstatus = RESET;
- }
- /* Return the DAC_FLAG status */
- return bitstatus;
-}
-
-/**
- * @brief Clears the DAC channelx's pending flags.
- * @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_FLAG: specifies the flag to clear.
- * This parameter can be of the following value:
- * @arg DAC_FLAG_DMAUDR: DMA underrun flag
- * @retval None
- */
-void DAC_ClearFlag(uint32_t DAC_Channel, uint32_t DAC_FLAG)
-{
- /* Check the parameters */
- assert_param(IS_DAC_CHANNEL(DAC_Channel));
- assert_param(IS_DAC_FLAG(DAC_FLAG));
-
- /* Clear the selected DAC flags */
- DAC->SR = (DAC_FLAG << DAC_Channel);
-}
-
-/**
- * @brief Checks whether the specified DAC interrupt has occurred or not.
- * @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_IT: specifies the DAC interrupt source to check.
- * This parameter can be the following values:
- * @arg DAC_IT_DMAUDR: DMA underrun interrupt mask
- * @retval The new state of DAC_IT (SET or RESET).
- */
-ITStatus DAC_GetITStatus(uint32_t DAC_Channel, uint32_t DAC_IT)
-{
- ITStatus bitstatus = RESET;
- uint32_t enablestatus = 0;
-
- /* Check the parameters */
- assert_param(IS_DAC_CHANNEL(DAC_Channel));
- assert_param(IS_DAC_IT(DAC_IT));
-
- /* Get the DAC_IT enable bit status */
- enablestatus = (DAC->CR & (DAC_IT << DAC_Channel)) ;
-
- /* Check the status of the specified DAC interrupt */
- if (((DAC->SR & (DAC_IT << DAC_Channel)) != (uint32_t)RESET) && enablestatus)
- {
- /* DAC_IT is set */
- bitstatus = SET;
- }
- else
- {
- /* DAC_IT is reset */
- bitstatus = RESET;
- }
- /* Return the DAC_IT status */
- return bitstatus;
-}
-
-/**
- * @brief Clears the DAC channelx's interrupt pending bits.
- * @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_IT: specifies the DAC interrupt pending bit to clear.
- * This parameter can be the following values:
- * @arg DAC_IT_DMAUDR: DMA underrun interrupt mask
- * @retval None
- */
-void DAC_ClearITPendingBit(uint32_t DAC_Channel, uint32_t DAC_IT)
-{
- /* Check the parameters */
- assert_param(IS_DAC_CHANNEL(DAC_Channel));
- assert_param(IS_DAC_IT(DAC_IT));
-
- /* Clear the selected DAC interrupt pending bits */
- DAC->SR = (DAC_IT << DAC_Channel);
-}
-#endif
-
-/**
- * @}
- */
-
-/**
- * @}
- */
-
-/**
- * @}
- */
-
-/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/