mbed library sources modified for open wear
Dependents: openwear-lifelogger-example
Fork of mbed-src by
Diff: targets/cmsis/TARGET_STM/TARGET_NUCLEO_L053R8/stm32l0xx_hal_dac_ex.c
- Revision:
- 181:a4cbdfbbd2f4
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/targets/cmsis/TARGET_STM/TARGET_NUCLEO_L053R8/stm32l0xx_hal_dac_ex.c Wed May 07 13:15:08 2014 +0100 @@ -0,0 +1,202 @@ +/** + ****************************************************************************** + * @file stm32l0xx_hal_dac_ex.c + * @author MCD Application Team + * @version V1.0.0 + * @date 22-April-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>© 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****/