fix LPC812 PWM
Fork of mbed-dev by
targets/cmsis/TARGET_STM/TARGET_STM32L0/stm32l0xx_hal_comp_ex.c@0:9b334a45a8ff, 2015-10-01 (annotated)
- Committer:
- bogdanm
- Date:
- Thu Oct 01 15:25:22 2015 +0300
- Revision:
- 0:9b334a45a8ff
- Child:
- 113:b3775bf36a83
Initial commit on mbed-dev
Replaces mbed-src (now inactive)
Who changed what in which revision?
User | Revision | Line number | New contents of line |
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bogdanm | 0:9b334a45a8ff | 1 | /** |
bogdanm | 0:9b334a45a8ff | 2 | ****************************************************************************** |
bogdanm | 0:9b334a45a8ff | 3 | * @file stm32l0xx_hal_comp_ex.c |
bogdanm | 0:9b334a45a8ff | 4 | * @author MCD Application Team |
bogdanm | 0:9b334a45a8ff | 5 | * @version V1.2.0 |
bogdanm | 0:9b334a45a8ff | 6 | * @date 06-February-2015 |
bogdanm | 0:9b334a45a8ff | 7 | * @brief Extended COMP HAL module driver. |
bogdanm | 0:9b334a45a8ff | 8 | * @brief This file provides firmware functions to manage the VREFINT |
bogdanm | 0:9b334a45a8ff | 9 | * which can act as input to the comparator. |
bogdanm | 0:9b334a45a8ff | 10 | @verbatim |
bogdanm | 0:9b334a45a8ff | 11 | ============================================================================== |
bogdanm | 0:9b334a45a8ff | 12 | ##### COMP peripheral Extended features ##### |
bogdanm | 0:9b334a45a8ff | 13 | ============================================================================== |
bogdanm | 0:9b334a45a8ff | 14 | |
bogdanm | 0:9b334a45a8ff | 15 | [..] Comparing to other previous devices, the COMP interface for STM32L0XX |
bogdanm | 0:9b334a45a8ff | 16 | devices contains the following additional features |
bogdanm | 0:9b334a45a8ff | 17 | |
bogdanm | 0:9b334a45a8ff | 18 | (+) Possibility to enable or disable the VREFINT which is used as input |
bogdanm | 0:9b334a45a8ff | 19 | to the comparator. |
bogdanm | 0:9b334a45a8ff | 20 | |
bogdanm | 0:9b334a45a8ff | 21 | |
bogdanm | 0:9b334a45a8ff | 22 | @endverbatim |
bogdanm | 0:9b334a45a8ff | 23 | ****************************************************************************** |
bogdanm | 0:9b334a45a8ff | 24 | * @attention |
bogdanm | 0:9b334a45a8ff | 25 | * |
bogdanm | 0:9b334a45a8ff | 26 | * <h2><center>© COPYRIGHT(c) 2015 STMicroelectronics</center></h2> |
bogdanm | 0:9b334a45a8ff | 27 | * |
bogdanm | 0:9b334a45a8ff | 28 | * Redistribution and use in source and binary forms, with or without modification, |
bogdanm | 0:9b334a45a8ff | 29 | * are permitted provided that the following conditions are met: |
bogdanm | 0:9b334a45a8ff | 30 | * 1. Redistributions of source code must retain the above copyright notice, |
bogdanm | 0:9b334a45a8ff | 31 | * this list of conditions and the following disclaimer. |
bogdanm | 0:9b334a45a8ff | 32 | * 2. Redistributions in binary form must reproduce the above copyright notice, |
bogdanm | 0:9b334a45a8ff | 33 | * this list of conditions and the following disclaimer in the documentation |
bogdanm | 0:9b334a45a8ff | 34 | * and/or other materials provided with the distribution. |
bogdanm | 0:9b334a45a8ff | 35 | * 3. Neither the name of STMicroelectronics nor the names of its contributors |
bogdanm | 0:9b334a45a8ff | 36 | * may be used to endorse or promote products derived from this software |
bogdanm | 0:9b334a45a8ff | 37 | * without specific prior written permission. |
bogdanm | 0:9b334a45a8ff | 38 | * |
bogdanm | 0:9b334a45a8ff | 39 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
bogdanm | 0:9b334a45a8ff | 40 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
bogdanm | 0:9b334a45a8ff | 41 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
bogdanm | 0:9b334a45a8ff | 42 | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
bogdanm | 0:9b334a45a8ff | 43 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
bogdanm | 0:9b334a45a8ff | 44 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
bogdanm | 0:9b334a45a8ff | 45 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
bogdanm | 0:9b334a45a8ff | 46 | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
bogdanm | 0:9b334a45a8ff | 47 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
bogdanm | 0:9b334a45a8ff | 48 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
bogdanm | 0:9b334a45a8ff | 49 | * |
bogdanm | 0:9b334a45a8ff | 50 | ****************************************************************************** |
bogdanm | 0:9b334a45a8ff | 51 | */ |
bogdanm | 0:9b334a45a8ff | 52 | |
bogdanm | 0:9b334a45a8ff | 53 | /* Includes ------------------------------------------------------------------*/ |
bogdanm | 0:9b334a45a8ff | 54 | #include "stm32l0xx_hal.h" |
bogdanm | 0:9b334a45a8ff | 55 | |
bogdanm | 0:9b334a45a8ff | 56 | /** @addtogroup STM32L0xx_HAL_Driver |
bogdanm | 0:9b334a45a8ff | 57 | * @{ |
bogdanm | 0:9b334a45a8ff | 58 | */ |
bogdanm | 0:9b334a45a8ff | 59 | |
bogdanm | 0:9b334a45a8ff | 60 | /** @addtogroup COMPEx |
bogdanm | 0:9b334a45a8ff | 61 | * @brief Extended COMP HAL module driver |
bogdanm | 0:9b334a45a8ff | 62 | * @{ |
bogdanm | 0:9b334a45a8ff | 63 | */ |
bogdanm | 0:9b334a45a8ff | 64 | |
bogdanm | 0:9b334a45a8ff | 65 | #ifdef HAL_COMP_MODULE_ENABLED |
bogdanm | 0:9b334a45a8ff | 66 | |
bogdanm | 0:9b334a45a8ff | 67 | |
bogdanm | 0:9b334a45a8ff | 68 | /** @addtogroup COMPEx_Exported_Functions |
bogdanm | 0:9b334a45a8ff | 69 | * @{ |
bogdanm | 0:9b334a45a8ff | 70 | */ |
bogdanm | 0:9b334a45a8ff | 71 | |
bogdanm | 0:9b334a45a8ff | 72 | /** @addtogroup COMPEx_Exported_Functions_Group1 |
bogdanm | 0:9b334a45a8ff | 73 | * @brief Extended functions to manage VREFINT for the comparator |
bogdanm | 0:9b334a45a8ff | 74 | * |
bogdanm | 0:9b334a45a8ff | 75 | * @{ |
bogdanm | 0:9b334a45a8ff | 76 | */ |
bogdanm | 0:9b334a45a8ff | 77 | |
bogdanm | 0:9b334a45a8ff | 78 | /** |
bogdanm | 0:9b334a45a8ff | 79 | * @brief Enables the Buffer Vrefint for the COMP. |
bogdanm | 0:9b334a45a8ff | 80 | * @note This is functional only if the LOCK bit is not set |
bogdanm | 0:9b334a45a8ff | 81 | |
bogdanm | 0:9b334a45a8ff | 82 | * @retval None |
bogdanm | 0:9b334a45a8ff | 83 | */ |
bogdanm | 0:9b334a45a8ff | 84 | void HAL_COMPEx_EnableVREFINT(void) |
bogdanm | 0:9b334a45a8ff | 85 | { |
bogdanm | 0:9b334a45a8ff | 86 | /* Enable the Buffer for the COMP by setting EN_VREFINT bit and the ENBUFLP_VREFINT_COMP in the CFGR3 register */ |
bogdanm | 0:9b334a45a8ff | 87 | |
bogdanm | 0:9b334a45a8ff | 88 | SYSCFG->CFGR3 |= (SYSCFG_CFGR3_ENBUFLP_VREFINT_COMP | SYSCFG_CFGR3_EN_VREFINT); |
bogdanm | 0:9b334a45a8ff | 89 | } |
bogdanm | 0:9b334a45a8ff | 90 | |
bogdanm | 0:9b334a45a8ff | 91 | /** |
bogdanm | 0:9b334a45a8ff | 92 | * @brief Disables the Buffer Vrefint for the COMP. |
bogdanm | 0:9b334a45a8ff | 93 | * @note This is functional only if the LOCK bit is not set |
bogdanm | 0:9b334a45a8ff | 94 | * @retval None |
bogdanm | 0:9b334a45a8ff | 95 | */ |
bogdanm | 0:9b334a45a8ff | 96 | void HAL_COMPEx_DisableVREFINT(void) |
bogdanm | 0:9b334a45a8ff | 97 | { |
bogdanm | 0:9b334a45a8ff | 98 | /* Disable the Vrefint by resetting ENBUFLP_BGAP_COMP bit and the EN_VREFINT bit in the CFGR3 register */ |
bogdanm | 0:9b334a45a8ff | 99 | |
bogdanm | 0:9b334a45a8ff | 100 | SYSCFG->CFGR3 &= (uint32_t)~((uint32_t)(SYSCFG_CFGR3_ENBUFLP_VREFINT_COMP | SYSCFG_CFGR3_EN_VREFINT)); |
bogdanm | 0:9b334a45a8ff | 101 | } |
bogdanm | 0:9b334a45a8ff | 102 | |
bogdanm | 0:9b334a45a8ff | 103 | /** |
bogdanm | 0:9b334a45a8ff | 104 | * @} |
bogdanm | 0:9b334a45a8ff | 105 | */ |
bogdanm | 0:9b334a45a8ff | 106 | |
bogdanm | 0:9b334a45a8ff | 107 | /** |
bogdanm | 0:9b334a45a8ff | 108 | * @} |
bogdanm | 0:9b334a45a8ff | 109 | */ |
bogdanm | 0:9b334a45a8ff | 110 | |
bogdanm | 0:9b334a45a8ff | 111 | |
bogdanm | 0:9b334a45a8ff | 112 | #endif /* HAL_COMP_MODULE_ENABLED */ |
bogdanm | 0:9b334a45a8ff | 113 | /** |
bogdanm | 0:9b334a45a8ff | 114 | * @} |
bogdanm | 0:9b334a45a8ff | 115 | */ |
bogdanm | 0:9b334a45a8ff | 116 | |
bogdanm | 0:9b334a45a8ff | 117 | /** |
bogdanm | 0:9b334a45a8ff | 118 | * @} |
bogdanm | 0:9b334a45a8ff | 119 | */ |
bogdanm | 0:9b334a45a8ff | 120 | /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |