diff options
author | Oxore <oxore@protonmail.com> | 2023-03-05 20:20:45 +0300 |
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committer | Oxore <oxore@protonmail.com> | 2023-03-05 20:20:45 +0300 |
commit | ea807de65b0485ac58b6eae576209c64d4d5c4e9 (patch) | |
tree | b4264d20e1d700cfd9e0ece9d847a825dd1dfc03 /Libraries/STM32F0xx_StdPeriph_Driver/src/stm32f0xx_comp.c | |
parent | dd01e7ed22cea652061f0d12cecf929e04b285e9 (diff) |
Split app code and third party libraries
Diffstat (limited to 'Libraries/STM32F0xx_StdPeriph_Driver/src/stm32f0xx_comp.c')
-rw-r--r-- | Libraries/STM32F0xx_StdPeriph_Driver/src/stm32f0xx_comp.c | 408 |
1 files changed, 0 insertions, 408 deletions
diff --git a/Libraries/STM32F0xx_StdPeriph_Driver/src/stm32f0xx_comp.c b/Libraries/STM32F0xx_StdPeriph_Driver/src/stm32f0xx_comp.c deleted file mode 100644 index f4b279c..0000000 --- a/Libraries/STM32F0xx_StdPeriph_Driver/src/stm32f0xx_comp.c +++ /dev/null @@ -1,408 +0,0 @@ -/** - ****************************************************************************** - * @file stm32f0xx_comp.c - * @author MCD Application Team - * @version V1.3.0 - * @date 16-January-2014 - * @brief This file provides firmware functions to manage the following - * functionalities of the comparators (COMP1 and COMP2) peripheral - * applicable only on STM32F051 and STM32F072 devices: - * + Comparators configuration - * + Window mode control - * - * @verbatim - * - =============================================================================== - ##### How to use this driver ##### - =============================================================================== - [..] - - The device integrates two analog comparators COMP1 and COMP2: - (+) The non inverting input is set to PA1 for COMP1 and to PA3 - for COMP2. - - (+) The inverting input can be selected among: DAC1_OUT, DAC2_OUT - 1/4 VREFINT, 1/2 VERFINT, 3/4 VREFINT, VREFINT, - I/O (PA0 for COMP1 and PA2 for COMP2) - - (+) The COMP output is internally is available using COMP_GetOutputLevel() - and can be set on GPIO pins: PA0, PA6, PA11 for COMP1 - and PA2, PA7, PA12 for COMP2 - - (+) The COMP output can be redirected to embedded timers (TIM1, TIM2 - and TIM3) - - (+) The two comparators COMP1 and COMP2 can be combined in window - mode and only COMP1 non inverting (PA1) can be used as non- - inverting input. - - (+) The two comparators COMP1 and COMP2 have interrupt capability - with wake-up from Sleep and Stop modes (through the EXTI controller). - COMP1 and COMP2 outputs are internally connected to EXTI Line 21 - and EXTI Line 22 respectively. - - - ##### How to configure the comparator ##### - =============================================================================== - [..] - This driver provides functions to configure and program the Comparators - of all STM32F0xx devices. - - [..] To use the comparator, perform the following steps: - - (#) Enable the SYSCFG APB clock to get write access to comparator - register using RCC_APB2PeriphClockCmd(RCC_APB2Periph_SYSCFG, ENABLE); - - (#) Configure the comparator input in analog mode using GPIO_Init() - - (#) Configure the comparator output in alternate function mode - using GPIO_Init() and use GPIO_PinAFConfig() function to map the - comparator output to the GPIO pin - - (#) Configure the comparator using COMP_Init() function: - (++) Select the inverting input - (++) Select the output polarity - (++) Select the output redirection - (++) Select the hysteresis level - (++) Select the power mode - - (#) Enable the comparator using COMP_Cmd() function - - (#) If required enable the COMP interrupt by configuring and enabling - EXTI line in Interrupt mode and selecting the desired sensitivity - level using EXTI_Init() function. After that enable the comparator - interrupt vector using NVIC_Init() function. - - @endverbatim - * - ****************************************************************************** - * @attention - * - * <h2><center>© COPYRIGHT 2014 STMicroelectronics</center></h2> - * - * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License"); - * You may not use this file except in compliance with the License. - * You may obtain a copy of the License at: - * - * http://www.st.com/software_license_agreement_liberty_v2 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - * - ****************************************************************************** - */ - -/* Includes ------------------------------------------------------------------*/ -#include "stm32f0xx_comp.h" - -/** @addtogroup STM32F0xx_StdPeriph_Driver - * @{ - */ - -/** @defgroup COMP - * @brief COMP driver modules - * @{ - */ - -/* Private typedef -----------------------------------------------------------*/ -/* Private define ------------------------------------------------------------*/ -/* CSR register Mask */ -#define COMP_CSR_CLEAR_MASK ((uint32_t)0x00003FFE) - -/* Private macro -------------------------------------------------------------*/ -/* Private variables ---------------------------------------------------------*/ -/* Private function prototypes -----------------------------------------------*/ -/* Private functions ---------------------------------------------------------*/ - -/** @defgroup COMP_Private_Functions - * @{ - */ - -/** @defgroup COMP_Group1 Initialization and Configuration functions - * @brief Initialization and Configuration functions - * -@verbatim - =============================================================================== - ##### Initialization and Configuration functions ##### - =============================================================================== - -@endverbatim - * @{ - */ - -/** - * @brief Deinitializes COMP peripheral registers to their default reset values. - * @note Deinitialization can't be performed if the COMP configuration is locked. - * To unlock the configuration, perform a system reset. - * @param None - * @retval None - */ -void COMP_DeInit(void) -{ - COMP->CSR = ((uint32_t)0x00000000); /*!< Set COMP_CSR register to reset value */ -} - -/** - * @brief Initializes the COMP peripheral according to the specified parameters - * in COMP_InitStruct - * @note If the selected comparator is locked, initialization can't be performed. - * To unlock the configuration, perform a system reset. - * @note By default, PA1 is selected as COMP1 non inverting input. - * To use PA4 as COMP1 non inverting input call COMP_SwitchCmd() after COMP_Init() - * @param COMP_Selection: the selected comparator. - * This parameter can be one of the following values: - * @arg COMP_Selection_COMP1: COMP1 selected - * @arg COMP_Selection_COMP2: COMP2 selected - * @param COMP_InitStruct: pointer to an COMP_InitTypeDef structure that contains - * the configuration information for the specified COMP peripheral. - * @retval None - */ -void COMP_Init(uint32_t COMP_Selection, COMP_InitTypeDef* COMP_InitStruct) -{ - uint32_t tmpreg = 0; - - /* Check the parameters */ - assert_param(IS_COMP_ALL_PERIPH(COMP_Selection)); - assert_param(IS_COMP_INVERTING_INPUT(COMP_InitStruct->COMP_InvertingInput)); - assert_param(IS_COMP_OUTPUT(COMP_InitStruct->COMP_Output)); - assert_param(IS_COMP_OUTPUT_POL(COMP_InitStruct->COMP_OutputPol)); - assert_param(IS_COMP_HYSTERESIS(COMP_InitStruct->COMP_Hysteresis)); - assert_param(IS_COMP_MODE(COMP_InitStruct->COMP_Mode)); - - /*!< Get the COMP_CSR register value */ - tmpreg = COMP->CSR; - - /*!< Clear the COMP1SW1, COMPx_IN_SEL, COMPx_OUT_TIM_SEL, COMPx_POL, COMPx_HYST and COMPx_PWR_MODE bits */ - tmpreg &= (uint32_t) ~(COMP_CSR_CLEAR_MASK<<COMP_Selection); - - /*!< Configure COMP: inverting input, output redirection, hysteresis value and power mode */ - /*!< Set COMPxINSEL bits according to COMP_InitStruct->COMP_InvertingInput value */ - /*!< Set COMPxOUTSEL bits according to COMP_InitStruct->COMP_Output value */ - /*!< Set COMPxPOL bit according to COMP_InitStruct->COMP_OutputPol value */ - /*!< Set COMPxHYST bits according to COMP_InitStruct->COMP_Hysteresis value */ - /*!< Set COMPxMODE bits according to COMP_InitStruct->COMP_Mode value */ - tmpreg |= (uint32_t)((COMP_InitStruct->COMP_InvertingInput | COMP_InitStruct->COMP_Output | - COMP_InitStruct->COMP_OutputPol | COMP_InitStruct->COMP_Hysteresis | - COMP_InitStruct->COMP_Mode)<<COMP_Selection); - - /*!< Write to COMP_CSR register */ - COMP->CSR = tmpreg; -} - -/** - * @brief Fills each COMP_InitStruct member with its default value. - * @param COMP_InitStruct: pointer to an COMP_InitTypeDef structure which will - * be initialized. - * @retval None - */ -void COMP_StructInit(COMP_InitTypeDef* COMP_InitStruct) -{ - COMP_InitStruct->COMP_InvertingInput = COMP_InvertingInput_1_4VREFINT; - COMP_InitStruct->COMP_Output = COMP_Output_None; - COMP_InitStruct->COMP_OutputPol = COMP_OutputPol_NonInverted; - COMP_InitStruct->COMP_Hysteresis = COMP_Hysteresis_No; - COMP_InitStruct->COMP_Mode = COMP_Mode_UltraLowPower; -} - -/** - * @brief Enable or disable the COMP peripheral. - * @note If the selected comparator is locked, enable/disable can't be performed. - * To unlock the configuration, perform a system reset. - * @param COMP_Selection: the selected comparator. - * This parameter can be one of the following values: - * @arg COMP_Selection_COMP1: COMP1 selected - * @arg COMP_Selection_COMP2: COMP2 selected - * @param NewState: new state of the COMP peripheral. - * This parameter can be: ENABLE or DISABLE. - * @note When enabled, the comparator compares the non inverting input with - * the inverting input and the comparison result is available on comparator output. - * @note When disabled, the comparator doesn't perform comparison and the - * output level is low. - * @retval None - */ -void COMP_Cmd(uint32_t COMP_Selection, FunctionalState NewState) -{ - /* Check the parameters */ - assert_param(IS_COMP_ALL_PERIPH(COMP_Selection)); - assert_param(IS_FUNCTIONAL_STATE(NewState)); - - if (NewState != DISABLE) - { - /* Enable the selected COMP peripheral */ - COMP->CSR |= (uint32_t) (1<<COMP_Selection); - } - else - { - /* Disable the selected COMP peripheral */ - COMP->CSR &= (uint32_t)(~((uint32_t)1<<COMP_Selection)); - } -} - -/** - * @brief Close or Open the SW1 switch. - * @note This switch is solely intended to redirect signals onto high - * impedance input, such as COMP1 non-inverting input (highly resistive switch) - * @param NewState: New state of the analog switch. - * This parameter can be: ENABLE or DISABLE. - * @note When enabled, the SW1 is closed; PA1 is connected to PA4 - * @note When disabled, the SW1 switch is open; PA1 is disconnected from PA4 - * @retval None - */ -void COMP_SwitchCmd(FunctionalState NewState) -{ - /* Check the parameter */ - assert_param(IS_FUNCTIONAL_STATE(NewState)); - - if (NewState != DISABLE) - { - /* Close SW1 switch */ - COMP->CSR |= (uint32_t) (COMP_CSR_COMP1SW1); - } - else - { - /* Open SW1 switch */ - COMP->CSR &= (uint32_t)(~COMP_CSR_COMP1SW1); - } -} - -/** - * @brief Return the output level (high or low) of the selected comparator. - * @note The output level depends on the selected polarity. - * @note If the polarity is not inverted: - * - Comparator output is low when the non-inverting input is at a lower - * voltage than the inverting input - * - Comparator output is high when the non-inverting input is at a higher - * voltage than the inverting input - * @note If the polarity is inverted: - * - Comparator output is high when the non-inverting input is at a lower - * voltage than the inverting input - * - Comparator output is low when the non-inverting input is at a higher - * voltage than the inverting input - * @param COMP_Selection: the selected comparator. - * This parameter can be one of the following values: - * @arg COMP_Selection_COMP1: COMP1 selected - * @arg COMP_Selection_COMP2: COMP2 selected - * @retval Returns the selected comparator output level: low or high. - * - */ -uint32_t COMP_GetOutputLevel(uint32_t COMP_Selection) -{ - uint32_t compout = 0x0; - - /* Check the parameters */ - assert_param(IS_COMP_ALL_PERIPH(COMP_Selection)); - - /* Check if selected comparator output is high */ - if ((COMP->CSR & (COMP_CSR_COMP1OUT<<COMP_Selection)) != 0) - { - compout = COMP_OutputLevel_High; - } - else - { - compout = COMP_OutputLevel_Low; - } - - /* Return the comparator output level */ - return (uint32_t)(compout); -} - -/** - * @} - */ - -/** @defgroup COMP_Group2 Window mode control function - * @brief Window mode control function - * -@verbatim - =============================================================================== - ##### Window mode control function ##### - =============================================================================== - -@endverbatim - * @{ - */ - -/** - * @brief Enables or disables the window mode. - * @note In window mode, COMP1 and COMP2 non inverting inputs are connected - * together and only COMP1 non inverting input (PA1) can be used. - * @param NewState: new state of the window mode. - * This parameter can be : - * @arg ENABLE: COMP1 and COMP2 non inverting inputs are connected together. - * @arg DISABLE: OMP1 and COMP2 non inverting inputs are disconnected. - * @retval None - */ -void COMP_WindowCmd(FunctionalState NewState) -{ - /* Check the parameters */ - assert_param(IS_FUNCTIONAL_STATE(NewState)); - - if (NewState != DISABLE) - { - /* Enable the window mode */ - COMP->CSR |= (uint32_t) COMP_CSR_WNDWEN; - } - else - { - /* Disable the window mode */ - COMP->CSR &= (uint32_t)(~COMP_CSR_WNDWEN); - } -} - -/** - * @} - */ - -/** @defgroup COMP_Group3 COMP configuration locking function - * @brief COMP1 and COMP2 configuration locking function - * COMP1 and COMP2 configuration can be locked each separately. - * Unlocking is performed by system reset. - * -@verbatim - =============================================================================== - ##### Configuration Lock function ##### - =============================================================================== - -@endverbatim - * @{ - */ - -/** - * @brief Lock the selected comparator (COMP1/COMP2) configuration. - * @note Locking the configuration means that all control bits are read-only. - * To unlock the comparator configuration, perform a system reset. - * @param COMP_Selection: selects the comparator to be locked - * This parameter can be a value of the following values: - * @arg COMP_Selection_COMP1: COMP1 configuration is locked. - * @arg COMP_Selection_COMP2: COMP2 configuration is locked. - * @retval None - */ -void COMP_LockConfig(uint32_t COMP_Selection) -{ - /* Check the parameter */ - assert_param(IS_COMP_ALL_PERIPH(COMP_Selection)); - - /* Set the lock bit corresponding to selected comparator */ - COMP->CSR |= (uint32_t) (COMP_CSR_COMP1LOCK<<COMP_Selection); -} - -/** - * @} - */ - -/** - * @} - */ - -/** - * @} - */ - -/** - * @} - */ - -/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |