Diff: targets/cmsis/TARGET_STM/TARGET_STM32L0/stm32l0xx_hal_dac_ex.c

Revision:

382:ee426a420dbb

Parent:

376:cb4d9db17537

Child:

489:119543c9f674

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/targets/cmsis/TARGET_STM/TARGET_STM32L0/stm32l0xx_hal_dac_ex.c	Mon Nov 03 10:45:07 2014 +0000
@@ -0,0 +1,202 @@
+/**
+  ******************************************************************************
+  * @file    stm32l0xx_hal_dac_ex.c
+  * @author  MCD Application Team
+  * @version V1.1.0
+  * @date    18-June-2014
+  * @brief   DAC HAL module driver.
+  *    
+  *         This file provides firmware functions to manage the following
+  *         functionalities of the Digital to Analog Converter (DAC) peripheral:
+  *           + DAC wave generation
+  *     
+  @verbatim
+  
+ @endverbatim
+  ******************************************************************************
+  * @attention
+  *
+  * <h2><center>&copy; COPYRIGHT(c) 2014 STMicroelectronics</center></h2>
+  *
+  * 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 "stm32l0xx_hal.h"
+
+/** @addtogroup STM32L0xx_HAL_Driver
+  * @{
+  */
+
+/** @defgroup DACEx 
+  * @brief DAC driver modules
+  * @{
+  */
+
+#ifdef HAL_DAC_MODULE_ENABLED
+#if !defined (STM32L051xx) && !defined (STM32L061xx)
+
+/* Private typedef -----------------------------------------------------------*/
+/* Private define ------------------------------------------------------------*/
+/* Private macro -------------------------------------------------------------*/
+/* Private variables ---------------------------------------------------------*/
+/* Private function prototypes -----------------------------------------------*/
+/* Private functions ---------------------------------------------------------*/
+
+/** @defgroup DACEx_Private_Functions
+  * @{
+  */
+
+  
+/** @defgroup DACEx_Group Peripheral Control functions
+ *  @brief   	Peripheral Control functions 
+ *
+@verbatim   
+  ==============================================================================
+             ##### Peripheral Control functions #####
+  ==============================================================================  
+    [..]  This section provides functions allowing to:
+      (+) Configure Triangle wave generation.
+      (+) Configure Noise wave generation.
+      
+@endverbatim
+  * @{
+  */
+
+/**
+  * @brief  Enables or disables the selected DAC channel wave triangle generation.
+  * @param  hdac: pointer to a DAC_HandleTypeDef structure that contains
+  *         the configuration information for the specified DAC.
+  * @param  channel: The selected DAC channel.
+  *          This parameter can be one of the following values:
+  *            @arg DAC_CHANNEL_1: DAC Channel1 selected
+  * @param  Amplitude: Select max triangle amplitude. 
+  *          This parameter can be one of the following values:
+  *            @arg DAC_TRIANGLEAMPLITUDE_1: Select max triangle amplitude of 1
+  *            @arg DAC_TRIANGLEAMPLITUDE_3: Select max triangle amplitude of 3
+  *            @arg DAC_TRIANGLEAMPLITUDE_7: Select max triangle amplitude of 7
+  *            @arg DAC_TRIANGLEAMPLITUDE_15: Select max triangle amplitude of 15
+  *            @arg DAC_TRIANGLEAMPLITUDE_31: Select max triangle amplitude of 31
+  *            @arg DAC_TRIANGLEAMPLITUDE_63: Select max triangle amplitude of 63
+  *            @arg DAC_TRIANGLEAMPLITUDE_127: Select max triangle amplitude of 127
+  *            @arg DAC_TRIANGLEAMPLITUDE_255: Select max triangle amplitude of 255
+  *            @arg DAC_TRIANGLEAMPLITUDE_511: Select max triangle amplitude of 511
+  *            @arg DAC_TRIANGLEAMPLITUDE_1023: Select max triangle amplitude of 1023
+  *            @arg DAC_TRIANGLEAMPLITUDE_2047: Select max triangle amplitude of 2047
+  *            @arg DAC_TRIANGLEAMPLITUDE_4095: Select max triangle amplitude of 4095
+  * @retval HAL status
+  */
+HAL_StatusTypeDef HAL_DACEx_TriangleWaveGenerate(DAC_HandleTypeDef* hdac, uint32_t channel, uint32_t Amplitude)
+{
+  /* Check the parameters */
+  assert_param(IS_DAC_CHANNEL(channel));
+  assert_param(IS_DAC_LFSR_UNMASK_TRIANGLE_AMPLITUDE(Amplitude));
+
+  /* Process locked */
+  __HAL_LOCK(hdac);
+
+  /* Change DAC state */
+  hdac->State = HAL_DAC_STATE_BUSY;
+
+  /* Enable the selected wave generation for the selected DAC channel */
+  hdac->Instance->CR |= (DAC_WAVEGENERATION_TRIANGLE | Amplitude) << channel;
+
+  /* Change DAC state */
+  hdac->State = HAL_DAC_STATE_READY;
+
+  /* Process unlocked */
+  __HAL_UNLOCK(hdac);
+
+  /* Return function status */
+  return HAL_OK;
+}
+
+/**
+  * @brief  Enables or disables the selected DAC channel wave noise generation.
+  * @param  channel: The selected DAC channel.
+  *          This parameter can be one of the following values:
+  *            @arg DAC_CHANNEL_1: DAC Channel1 selected
+  * @param  Amplitude: Unmask DAC channel LFSR for noise wave generation.
+  *          This parameter can be one of the following values:
+  *            @arg DAC_LFSRUNMASK_BIT0: Unmask DAC channel LFSR bit0 for noise wave generation
+  *            @arg DAC_LFSRUNMASK_BITS1_0: Unmask DAC channel LFSR bit[1:0] for noise wave generation
+  *            @arg DAC_LFSRUNMASK_BITS2_0: Unmask DAC channel LFSR bit[2:0] for noise wave generation
+  *            @arg DAC_LFSRUNMASK_BITS3_0: Unmask DAC channel LFSR bit[3:0] for noise wave generation
+  *            @arg DAC_LFSRUNMASK_BITS4_0: Unmask DAC channel LFSR bit[4:0] for noise wave generation
+  *            @arg DAC_LFSRUNMASK_BITS5_0: Unmask DAC channel LFSR bit[5:0] for noise wave generation
+  *            @arg DAC_LFSRUNMASK_BITS6_0: Unmask DAC channel LFSR bit[6:0] for noise wave generation
+  *            @arg DAC_LFSRUNMASK_BITS7_0: Unmask DAC channel LFSR bit[7:0] for noise wave generation
+  *            @arg DAC_LFSRUNMASK_BITS8_0: Unmask DAC channel LFSR bit[8:0] for noise wave generation
+  *            @arg DAC_LFSRUNMASK_BITS9_0: Unmask DAC channel LFSR bit[9:0] for noise wave generation
+  *            @arg DAC_LFSRUNMASK_BITS10_0: Unmask DAC channel LFSR bit[10:0] for noise wave generation
+  *            @arg DAC_LFSRUNMASK_BITS11_0: Unmask DAC channel LFSR bit[11:0] for noise wave generation
+  * @retval HAL status
+  */
+HAL_StatusTypeDef HAL_DACEx_NoiseWaveGenerate(DAC_HandleTypeDef* hdac, uint32_t channel, uint32_t Amplitude)
+{
+  /* Check the parameters */
+  assert_param(IS_DAC_CHANNEL(channel));
+  assert_param(IS_DAC_LFSR_UNMASK_TRIANGLE_AMPLITUDE(Amplitude));
+
+  /* Process locked */
+  __HAL_LOCK(hdac);
+
+  /* Change DAC state */
+  hdac->State = HAL_DAC_STATE_BUSY;
+
+  /* Enable the selected wave generation for the selected DAC channel */
+  hdac->Instance->CR |= (DAC_WAVEGENERATION_NOISE | Amplitude) << channel;
+
+  /* Change DAC state */
+  hdac->State = HAL_DAC_STATE_READY;
+
+  /* Process unlocked */
+  __HAL_UNLOCK(hdac);
+
+  /* Return function status */
+  return HAL_OK;
+}
+
+
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+
+#endif /* STM32L051xx && STM32L061xx*/
+#endif /* HAL_DAC_MODULE_ENABLED */
+
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/