From aa7cf6f72f4e8a553f892629bb3338ab8c982d57 Mon Sep 17 00:00:00 2001 From: Damien George Date: Wed, 21 May 2014 20:14:27 +0100 Subject: stm: Remove long-obsolete stm/ port. --- stm/stmperiph/stm32f4xx_adc.c | 1745 ----------------------------------------- 1 file changed, 1745 deletions(-) delete mode 100644 stm/stmperiph/stm32f4xx_adc.c (limited to 'stm/stmperiph/stm32f4xx_adc.c') diff --git a/stm/stmperiph/stm32f4xx_adc.c b/stm/stmperiph/stm32f4xx_adc.c deleted file mode 100644 index 9e230c08e0..0000000000 --- a/stm/stmperiph/stm32f4xx_adc.c +++ /dev/null @@ -1,1745 +0,0 @@ -/** - ****************************************************************************** - * @file stm32f4xx_adc.c - * @author MCD Application Team - * @version V1.3.0 - * @date 08-November-2013 - * @brief This file provides firmware functions to manage the following - * functionalities of the Analog to Digital Convertor (ADC) peripheral: - * + Initialization and Configuration (in addition to ADC multi mode - * selection) - * + Analog Watchdog configuration - * + Temperature Sensor & Vrefint (Voltage Reference internal) & VBAT - * management - * + Regular Channels Configuration - * + Regular Channels DMA Configuration - * + Injected channels Configuration - * + Interrupts and flags management - * - @verbatim - =============================================================================== - ##### How to use this driver ##### - =============================================================================== - [..] - (#) Enable the ADC interface clock using - RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADCx, ENABLE); - - (#) ADC pins configuration - (++) Enable the clock for the ADC GPIOs using the following function: - RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOx, ENABLE); - (++) Configure these ADC pins in analog mode using GPIO_Init(); - - (#) Configure the ADC Prescaler, conversion resolution and data - alignment using the ADC_Init() function. - (#) Activate the ADC peripheral using ADC_Cmd() function. - - *** Regular channels group configuration *** - ============================================ - [..] - (+) To configure the ADC regular channels group features, use - ADC_Init() and ADC_RegularChannelConfig() functions. - (+) To activate the continuous mode, use the ADC_continuousModeCmd() - function. - (+) To configurate and activate the Discontinuous mode, use the - ADC_DiscModeChannelCountConfig() and ADC_DiscModeCmd() functions. - (+) To read the ADC converted values, use the ADC_GetConversionValue() - function. - - *** Multi mode ADCs Regular channels configuration *** - ====================================================== - [..] - (+) Refer to "Regular channels group configuration" description to - configure the ADC1, ADC2 and ADC3 regular channels. - (+) Select the Multi mode ADC regular channels features (dual or - triple mode) using ADC_CommonInit() function and configure - the DMA mode using ADC_MultiModeDMARequestAfterLastTransferCmd() - functions. - (+) Read the ADCs converted values using the - ADC_GetMultiModeConversionValue() function. - - *** DMA for Regular channels group features configuration *** - ============================================================= - [..] - (+) To enable the DMA mode for regular channels group, use the - ADC_DMACmd() function. - (+) To enable the generation of DMA requests continuously at the end - of the last DMA transfer, use the ADC_DMARequestAfterLastTransferCmd() - function. - - *** Injected channels group configuration *** - ============================================= - [..] - (+) To configure the ADC Injected channels group features, use - ADC_InjectedChannelConfig() and ADC_InjectedSequencerLengthConfig() - functions. - (+) To activate the continuous mode, use the ADC_continuousModeCmd() - function. - (+) To activate the Injected Discontinuous mode, use the - ADC_InjectedDiscModeCmd() function. - (+) To activate the AutoInjected mode, use the ADC_AutoInjectedConvCmd() - function. - (+) To read the ADC converted values, use the ADC_GetInjectedConversionValue() - function. - - @endverbatim - ****************************************************************************** - * @attention - * - *

© COPYRIGHT 2013 STMicroelectronics

- * - * 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 "stm32f4xx_adc.h" -#include "stm32f4xx_rcc.h" - -/** @addtogroup STM32F4xx_StdPeriph_Driver - * @{ - */ - -/** @defgroup ADC - * @brief ADC driver modules - * @{ - */ - -/* Private typedef -----------------------------------------------------------*/ -/* Private define ------------------------------------------------------------*/ - -/* ADC DISCNUM mask */ -#define CR1_DISCNUM_RESET ((uint32_t)0xFFFF1FFF) - -/* ADC AWDCH mask */ -#define CR1_AWDCH_RESET ((uint32_t)0xFFFFFFE0) - -/* ADC Analog watchdog enable mode mask */ -#define CR1_AWDMode_RESET ((uint32_t)0xFF3FFDFF) - -/* CR1 register Mask */ -#define CR1_CLEAR_MASK ((uint32_t)0xFCFFFEFF) - -/* ADC EXTEN mask */ -#define CR2_EXTEN_RESET ((uint32_t)0xCFFFFFFF) - -/* ADC JEXTEN mask */ -#define CR2_JEXTEN_RESET ((uint32_t)0xFFCFFFFF) - -/* ADC JEXTSEL mask */ -#define CR2_JEXTSEL_RESET ((uint32_t)0xFFF0FFFF) - -/* CR2 register Mask */ -#define CR2_CLEAR_MASK ((uint32_t)0xC0FFF7FD) - -/* ADC SQx mask */ -#define SQR3_SQ_SET ((uint32_t)0x0000001F) -#define SQR2_SQ_SET ((uint32_t)0x0000001F) -#define SQR1_SQ_SET ((uint32_t)0x0000001F) - -/* ADC L Mask */ -#define SQR1_L_RESET ((uint32_t)0xFF0FFFFF) - -/* ADC JSQx mask */ -#define JSQR_JSQ_SET ((uint32_t)0x0000001F) - -/* ADC JL mask */ -#define JSQR_JL_SET ((uint32_t)0x00300000) -#define JSQR_JL_RESET ((uint32_t)0xFFCFFFFF) - -/* ADC SMPx mask */ -#define SMPR1_SMP_SET ((uint32_t)0x00000007) -#define SMPR2_SMP_SET ((uint32_t)0x00000007) - -/* ADC JDRx registers offset */ -#define JDR_OFFSET ((uint8_t)0x28) - -/* ADC CDR register base address */ -#define CDR_ADDRESS ((uint32_t)0x40012308) - -/* ADC CCR register Mask */ -#define CR_CLEAR_MASK ((uint32_t)0xFFFC30E0) - -/* Private macro -------------------------------------------------------------*/ -/* Private variables ---------------------------------------------------------*/ -/* Private function prototypes -----------------------------------------------*/ -/* Private functions ---------------------------------------------------------*/ - -/** @defgroup ADC_Private_Functions - * @{ - */ - -/** @defgroup ADC_Group1 Initialization and Configuration functions - * @brief Initialization and Configuration functions - * -@verbatim - =============================================================================== - ##### Initialization and Configuration functions ##### - =============================================================================== - [..] This section provides functions allowing to: - (+) Initialize and configure the ADC Prescaler - (+) ADC Conversion Resolution (12bit..6bit) - (+) Scan Conversion Mode (multichannel or one channel) for regular group - (+) ADC Continuous Conversion Mode (Continuous or Single conversion) for - regular group - (+) External trigger Edge and source of regular group, - (+) Converted data alignment (left or right) - (+) The number of ADC conversions that will be done using the sequencer for - regular channel group - (+) Multi ADC mode selection - (+) Direct memory access mode selection for multi ADC mode - (+) Delay between 2 sampling phases (used in dual or triple interleaved modes) - (+) Enable or disable the ADC peripheral -@endverbatim - * @{ - */ - -/** - * @brief Deinitializes all ADCs peripherals registers to their default reset - * values. - * @param None - * @retval None - */ -void ADC_DeInit(void) -{ - /* Enable all ADCs reset state */ - RCC_APB2PeriphResetCmd(RCC_APB2Periph_ADC, ENABLE); - - /* Release all ADCs from reset state */ - RCC_APB2PeriphResetCmd(RCC_APB2Periph_ADC, DISABLE); -} - -/** - * @brief Initializes the ADCx peripheral according to the specified parameters - * in the ADC_InitStruct. - * @note This function is used to configure the global features of the ADC ( - * Resolution and Data Alignment), however, the rest of the configuration - * parameters are specific to the regular channels group (scan mode - * activation, continuous mode activation, External trigger source and - * edge, number of conversion in the regular channels group sequencer). - * @param ADCx: where x can be 1, 2 or 3 to select the ADC peripheral. - * @param ADC_InitStruct: pointer to an ADC_InitTypeDef structure that contains - * the configuration information for the specified ADC peripheral. - * @retval None - */ -void ADC_Init(ADC_TypeDef* ADCx, ADC_InitTypeDef* ADC_InitStruct) -{ - uint32_t tmpreg1 = 0; - uint8_t tmpreg2 = 0; - /* Check the parameters */ - assert_param(IS_ADC_ALL_PERIPH(ADCx)); - assert_param(IS_ADC_RESOLUTION(ADC_InitStruct->ADC_Resolution)); - assert_param(IS_FUNCTIONAL_STATE(ADC_InitStruct->ADC_ScanConvMode)); - assert_param(IS_FUNCTIONAL_STATE(ADC_InitStruct->ADC_ContinuousConvMode)); - assert_param(IS_ADC_EXT_TRIG_EDGE(ADC_InitStruct->ADC_ExternalTrigConvEdge)); - assert_param(IS_ADC_EXT_TRIG(ADC_InitStruct->ADC_ExternalTrigConv)); - assert_param(IS_ADC_DATA_ALIGN(ADC_InitStruct->ADC_DataAlign)); - assert_param(IS_ADC_REGULAR_LENGTH(ADC_InitStruct->ADC_NbrOfConversion)); - - /*---------------------------- ADCx CR1 Configuration -----------------*/ - /* Get the ADCx CR1 value */ - tmpreg1 = ADCx->CR1; - - /* Clear RES and SCAN bits */ - tmpreg1 &= CR1_CLEAR_MASK; - - /* Configure ADCx: scan conversion mode and resolution */ - /* Set SCAN bit according to ADC_ScanConvMode value */ - /* Set RES bit according to ADC_Resolution value */ - tmpreg1 |= (uint32_t)(((uint32_t)ADC_InitStruct->ADC_ScanConvMode << 8) | \ - ADC_InitStruct->ADC_Resolution); - /* Write to ADCx CR1 */ - ADCx->CR1 = tmpreg1; - /*---------------------------- ADCx CR2 Configuration -----------------*/ - /* Get the ADCx CR2 value */ - tmpreg1 = ADCx->CR2; - - /* Clear CONT, ALIGN, EXTEN and EXTSEL bits */ - tmpreg1 &= CR2_CLEAR_MASK; - - /* Configure ADCx: external trigger event and edge, data alignment and - continuous conversion mode */ - /* Set ALIGN bit according to ADC_DataAlign value */ - /* Set EXTEN bits according to ADC_ExternalTrigConvEdge value */ - /* Set EXTSEL bits according to ADC_ExternalTrigConv value */ - /* Set CONT bit according to ADC_ContinuousConvMode value */ - tmpreg1 |= (uint32_t)(ADC_InitStruct->ADC_DataAlign | \ - ADC_InitStruct->ADC_ExternalTrigConv | - ADC_InitStruct->ADC_ExternalTrigConvEdge | \ - ((uint32_t)ADC_InitStruct->ADC_ContinuousConvMode << 1)); - - /* Write to ADCx CR2 */ - ADCx->CR2 = tmpreg1; - /*---------------------------- ADCx SQR1 Configuration -----------------*/ - /* Get the ADCx SQR1 value */ - tmpreg1 = ADCx->SQR1; - - /* Clear L bits */ - tmpreg1 &= SQR1_L_RESET; - - /* Configure ADCx: regular channel sequence length */ - /* Set L bits according to ADC_NbrOfConversion value */ - tmpreg2 |= (uint8_t)(ADC_InitStruct->ADC_NbrOfConversion - (uint8_t)1); - tmpreg1 |= ((uint32_t)tmpreg2 << 20); - - /* Write to ADCx SQR1 */ - ADCx->SQR1 = tmpreg1; -} - -/** - * @brief Fills each ADC_InitStruct member with its default value. - * @note This function is used to initialize the global features of the ADC ( - * Resolution and Data Alignment), however, the rest of the configuration - * parameters are specific to the regular channels group (scan mode - * activation, continuous mode activation, External trigger source and - * edge, number of conversion in the regular channels group sequencer). - * @param ADC_InitStruct: pointer to an ADC_InitTypeDef structure which will - * be initialized. - * @retval None - */ -void ADC_StructInit(ADC_InitTypeDef* ADC_InitStruct) -{ - /* Initialize the ADC_Mode member */ - ADC_InitStruct->ADC_Resolution = ADC_Resolution_12b; - - /* initialize the ADC_ScanConvMode member */ - ADC_InitStruct->ADC_ScanConvMode = DISABLE; - - /* Initialize the ADC_ContinuousConvMode member */ - ADC_InitStruct->ADC_ContinuousConvMode = DISABLE; - - /* Initialize the ADC_ExternalTrigConvEdge member */ - ADC_InitStruct->ADC_ExternalTrigConvEdge = ADC_ExternalTrigConvEdge_None; - - /* Initialize the ADC_ExternalTrigConv member */ - ADC_InitStruct->ADC_ExternalTrigConv = ADC_ExternalTrigConv_T1_CC1; - - /* Initialize the ADC_DataAlign member */ - ADC_InitStruct->ADC_DataAlign = ADC_DataAlign_Right; - - /* Initialize the ADC_NbrOfConversion member */ - ADC_InitStruct->ADC_NbrOfConversion = 1; -} - -/** - * @brief Initializes the ADCs peripherals according to the specified parameters - * in the ADC_CommonInitStruct. - * @param ADC_CommonInitStruct: pointer to an ADC_CommonInitTypeDef structure - * that contains the configuration information for All ADCs peripherals. - * @retval None - */ -void ADC_CommonInit(ADC_CommonInitTypeDef* ADC_CommonInitStruct) -{ - uint32_t tmpreg1 = 0; - /* Check the parameters */ - assert_param(IS_ADC_MODE(ADC_CommonInitStruct->ADC_Mode)); - assert_param(IS_ADC_PRESCALER(ADC_CommonInitStruct->ADC_Prescaler)); - assert_param(IS_ADC_DMA_ACCESS_MODE(ADC_CommonInitStruct->ADC_DMAAccessMode)); - assert_param(IS_ADC_SAMPLING_DELAY(ADC_CommonInitStruct->ADC_TwoSamplingDelay)); - /*---------------------------- ADC CCR Configuration -----------------*/ - /* Get the ADC CCR value */ - tmpreg1 = ADC->CCR; - - /* Clear MULTI, DELAY, DMA and ADCPRE bits */ - tmpreg1 &= CR_CLEAR_MASK; - - /* Configure ADCx: Multi mode, Delay between two sampling time, ADC prescaler, - and DMA access mode for multimode */ - /* Set MULTI bits according to ADC_Mode value */ - /* Set ADCPRE bits according to ADC_Prescaler value */ - /* Set DMA bits according to ADC_DMAAccessMode value */ - /* Set DELAY bits according to ADC_TwoSamplingDelay value */ - tmpreg1 |= (uint32_t)(ADC_CommonInitStruct->ADC_Mode | - ADC_CommonInitStruct->ADC_Prescaler | - ADC_CommonInitStruct->ADC_DMAAccessMode | - ADC_CommonInitStruct->ADC_TwoSamplingDelay); - - /* Write to ADC CCR */ - ADC->CCR = tmpreg1; -} - -/** - * @brief Fills each ADC_CommonInitStruct member with its default value. - * @param ADC_CommonInitStruct: pointer to an ADC_CommonInitTypeDef structure - * which will be initialized. - * @retval None - */ -void ADC_CommonStructInit(ADC_CommonInitTypeDef* ADC_CommonInitStruct) -{ - /* Initialize the ADC_Mode member */ - ADC_CommonInitStruct->ADC_Mode = ADC_Mode_Independent; - - /* initialize the ADC_Prescaler member */ - ADC_CommonInitStruct->ADC_Prescaler = ADC_Prescaler_Div2; - - /* Initialize the ADC_DMAAccessMode member */ - ADC_CommonInitStruct->ADC_DMAAccessMode = ADC_DMAAccessMode_Disabled; - - /* Initialize the ADC_TwoSamplingDelay member */ - ADC_CommonInitStruct->ADC_TwoSamplingDelay = ADC_TwoSamplingDelay_5Cycles; -} - -/** - * @brief Enables or disables the specified ADC peripheral. - * @param ADCx: where x can be 1, 2 or 3 to select the ADC peripheral. - * @param NewState: new state of the ADCx peripheral. - * This parameter can be: ENABLE or DISABLE. - * @retval None - */ -void ADC_Cmd(ADC_TypeDef* ADCx, FunctionalState NewState) -{ - /* Check the parameters */ - assert_param(IS_ADC_ALL_PERIPH(ADCx)); - assert_param(IS_FUNCTIONAL_STATE(NewState)); - if (NewState != DISABLE) - { - /* Set the ADON bit to wake up the ADC from power down mode */ - ADCx->CR2 |= (uint32_t)ADC_CR2_ADON; - } - else - { - /* Disable the selected ADC peripheral */ - ADCx->CR2 &= (uint32_t)(~ADC_CR2_ADON); - } -} -/** - * @} - */ - -/** @defgroup ADC_Group2 Analog Watchdog configuration functions - * @brief Analog Watchdog configuration functions - * -@verbatim - =============================================================================== - ##### Analog Watchdog configuration functions ##### - =============================================================================== - [..] This section provides functions allowing to configure the Analog Watchdog - (AWD) feature in the ADC. - - [..] A typical configuration Analog Watchdog is done following these steps : - (#) the ADC guarded channel(s) is (are) selected using the - ADC_AnalogWatchdogSingleChannelConfig() function. - (#) The Analog watchdog lower and higher threshold are configured using the - ADC_AnalogWatchdogThresholdsConfig() function. - (#) The Analog watchdog is enabled and configured to enable the check, on one - or more channels, using the ADC_AnalogWatchdogCmd() function. -@endverbatim - * @{ - */ - -/** - * @brief Enables or disables the analog watchdog on single/all regular or - * injected channels - * @param ADCx: where x can be 1, 2 or 3 to select the ADC peripheral. - * @param ADC_AnalogWatchdog: the ADC analog watchdog configuration. - * This parameter can be one of the following values: - * @arg ADC_AnalogWatchdog_SingleRegEnable: Analog watchdog on a single regular channel - * @arg ADC_AnalogWatchdog_SingleInjecEnable: Analog watchdog on a single injected channel - * @arg ADC_AnalogWatchdog_SingleRegOrInjecEnable: Analog watchdog on a single regular or injected channel - * @arg ADC_AnalogWatchdog_AllRegEnable: Analog watchdog on all regular channel - * @arg ADC_AnalogWatchdog_AllInjecEnable: Analog watchdog on all injected channel - * @arg ADC_AnalogWatchdog_AllRegAllInjecEnable: Analog watchdog on all regular and injected channels - * @arg ADC_AnalogWatchdog_None: No channel guarded by the analog watchdog - * @retval None - */ -void ADC_AnalogWatchdogCmd(ADC_TypeDef* ADCx, uint32_t ADC_AnalogWatchdog) -{ - uint32_t tmpreg = 0; - /* Check the parameters */ - assert_param(IS_ADC_ALL_PERIPH(ADCx)); - assert_param(IS_ADC_ANALOG_WATCHDOG(ADC_AnalogWatchdog)); - - /* Get the old register value */ - tmpreg = ADCx->CR1; - - /* Clear AWDEN, JAWDEN and AWDSGL bits */ - tmpreg &= CR1_AWDMode_RESET; - - /* Set the analog watchdog enable mode */ - tmpreg |= ADC_AnalogWatchdog; - - /* Store the new register value */ - ADCx->CR1 = tmpreg; -} - -/** - * @brief Configures the high and low thresholds of the analog watchdog. - * @param ADCx: where x can be 1, 2 or 3 to select the ADC peripheral. - * @param HighThreshold: the ADC analog watchdog High threshold value. - * This parameter must be a 12-bit value. - * @param LowThreshold: the ADC analog watchdog Low threshold value. - * This parameter must be a 12-bit value. - * @retval None - */ -void ADC_AnalogWatchdogThresholdsConfig(ADC_TypeDef* ADCx, uint16_t HighThreshold, - uint16_t LowThreshold) -{ - /* Check the parameters */ - assert_param(IS_ADC_ALL_PERIPH(ADCx)); - assert_param(IS_ADC_THRESHOLD(HighThreshold)); - assert_param(IS_ADC_THRESHOLD(LowThreshold)); - - /* Set the ADCx high threshold */ - ADCx->HTR = HighThreshold; - - /* Set the ADCx low threshold */ - ADCx->LTR = LowThreshold; -} - -/** - * @brief Configures the analog watchdog guarded single channel - * @param ADCx: where x can be 1, 2 or 3 to select the ADC peripheral. - * @param ADC_Channel: the ADC channel to configure for the analog watchdog. - * This parameter can be one of the following values: - * @arg ADC_Channel_0: ADC Channel0 selected - * @arg ADC_Channel_1: ADC Channel1 selected - * @arg ADC_Channel_2: ADC Channel2 selected - * @arg ADC_Channel_3: ADC Channel3 selected - * @arg ADC_Channel_4: ADC Channel4 selected - * @arg ADC_Channel_5: ADC Channel5 selected - * @arg ADC_Channel_6: ADC Channel6 selected - * @arg ADC_Channel_7: ADC Channel7 selected - * @arg ADC_Channel_8: ADC Channel8 selected - * @arg ADC_Channel_9: ADC Channel9 selected - * @arg ADC_Channel_10: ADC Channel10 selected - * @arg ADC_Channel_11: ADC Channel11 selected - * @arg ADC_Channel_12: ADC Channel12 selected - * @arg ADC_Channel_13: ADC Channel13 selected - * @arg ADC_Channel_14: ADC Channel14 selected - * @arg ADC_Channel_15: ADC Channel15 selected - * @arg ADC_Channel_16: ADC Channel16 selected - * @arg ADC_Channel_17: ADC Channel17 selected - * @arg ADC_Channel_18: ADC Channel18 selected - * @retval None - */ -void ADC_AnalogWatchdogSingleChannelConfig(ADC_TypeDef* ADCx, uint8_t ADC_Channel) -{ - uint32_t tmpreg = 0; - /* Check the parameters */ - assert_param(IS_ADC_ALL_PERIPH(ADCx)); - assert_param(IS_ADC_CHANNEL(ADC_Channel)); - - /* Get the old register value */ - tmpreg = ADCx->CR1; - - /* Clear the Analog watchdog channel select bits */ - tmpreg &= CR1_AWDCH_RESET; - - /* Set the Analog watchdog channel */ - tmpreg |= ADC_Channel; - - /* Store the new register value */ - ADCx->CR1 = tmpreg; -} -/** - * @} - */ - -/** @defgroup ADC_Group3 Temperature Sensor, Vrefint (Voltage Reference internal) - * and VBAT (Voltage BATtery) management functions - * @brief Temperature Sensor, Vrefint and VBAT management functions - * -@verbatim - =============================================================================== - ##### Temperature Sensor, Vrefint and VBAT management functions ##### - =============================================================================== - [..] This section provides functions allowing to enable/ disable the internal - connections between the ADC and the Temperature Sensor, the Vrefint and - the Vbat sources. - - [..] A typical configuration to get the Temperature sensor and Vrefint channels - voltages is done following these steps : - (#) Enable the internal connection of Temperature sensor and Vrefint sources - with the ADC channels using ADC_TempSensorVrefintCmd() function. - (#) Select the ADC_Channel_TempSensor and/or ADC_Channel_Vrefint using - ADC_RegularChannelConfig() or ADC_InjectedChannelConfig() functions - (#) Get the voltage values, using ADC_GetConversionValue() or - ADC_GetInjectedConversionValue(). - - [..] A typical configuration to get the VBAT channel voltage is done following - these steps : - (#) Enable the internal connection of VBAT source with the ADC channel using - ADC_VBATCmd() function. - (#) Select the ADC_Channel_Vbat using ADC_RegularChannelConfig() or - ADC_InjectedChannelConfig() functions - (#) Get the voltage value, using ADC_GetConversionValue() or - ADC_GetInjectedConversionValue(). - -@endverbatim - * @{ - */ - - -/** - * @brief Enables or disables the temperature sensor and Vrefint channels. - * @param NewState: new state of the temperature sensor and Vrefint channels. - * This parameter can be: ENABLE or DISABLE. - * @retval None - */ -void ADC_TempSensorVrefintCmd(FunctionalState NewState) -{ - /* Check the parameters */ - assert_param(IS_FUNCTIONAL_STATE(NewState)); - if (NewState != DISABLE) - { - /* Enable the temperature sensor and Vrefint channel*/ - ADC->CCR |= (uint32_t)ADC_CCR_TSVREFE; - } - else - { - /* Disable the temperature sensor and Vrefint channel*/ - ADC->CCR &= (uint32_t)(~ADC_CCR_TSVREFE); - } -} - -/** - * @brief Enables or disables the VBAT (Voltage Battery) channel. - * - * @note the Battery voltage measured is equal to VBAT/2 on STM32F40xx and - * STM32F41xx devices and equal to VBAT/4 on STM32F42xx and STM32F43xx devices - * - * @param NewState: new state of the VBAT channel. - * This parameter can be: ENABLE or DISABLE. - * @retval None - */ -void ADC_VBATCmd(FunctionalState NewState) -{ - /* Check the parameters */ - assert_param(IS_FUNCTIONAL_STATE(NewState)); - if (NewState != DISABLE) - { - /* Enable the VBAT channel*/ - ADC->CCR |= (uint32_t)ADC_CCR_VBATE; - } - else - { - /* Disable the VBAT channel*/ - ADC->CCR &= (uint32_t)(~ADC_CCR_VBATE); - } -} - -/** - * @} - */ - -/** @defgroup ADC_Group4 Regular Channels Configuration functions - * @brief Regular Channels Configuration functions - * -@verbatim - =============================================================================== - ##### Regular Channels Configuration functions ##### - =============================================================================== - - [..] This section provides functions allowing to manage the ADC's regular channels, - it is composed of 2 sub sections : - - (#) Configuration and management functions for regular channels: This subsection - provides functions allowing to configure the ADC regular channels : - (++) Configure the rank in the regular group sequencer for each channel - (++) Configure the sampling time for each channel - (++) select the conversion Trigger for regular channels - (++) select the desired EOC event behavior configuration - (++) Activate the continuous Mode (*) - (++) Activate the Discontinuous Mode - -@@- Please Note that the following features for regular channels - are configurated using the ADC_Init() function : - (+@@) scan mode activation - (+@@) continuous mode activation (**) - (+@@) External trigger source - (+@@) External trigger edge - (+@@) number of conversion in the regular channels group sequencer. - - -@@- (*) and (**) are performing the same configuration - - (#) Get the conversion data: This subsection provides an important function in - the ADC peripheral since it returns the converted data of the current - regular channel. When the Conversion value is read, the EOC Flag is - automatically cleared. - - -@- For multi ADC mode, the last ADC1, ADC2 and ADC3 regular conversions - results data (in the selected multi mode) can be returned in the same - time using ADC_GetMultiModeConversionValue() function. - -@endverbatim - * @{ - */ -/** - * @brief Configures for the selected ADC regular channel its corresponding - * rank in the sequencer and its sample time. - * @param ADCx: where x can be 1, 2 or 3 to select the ADC peripheral. - * @param ADC_Channel: the ADC channel to configure. - * This parameter can be one of the following values: - * @arg ADC_Channel_0: ADC Channel0 selected - * @arg ADC_Channel_1: ADC Channel1 selected - * @arg ADC_Channel_2: ADC Channel2 selected - * @arg ADC_Channel_3: ADC Channel3 selected - * @arg ADC_Channel_4: ADC Channel4 selected - * @arg ADC_Channel_5: ADC Channel5 selected - * @arg ADC_Channel_6: ADC Channel6 selected - * @arg ADC_Channel_7: ADC Channel7 selected - * @arg ADC_Channel_8: ADC Channel8 selected - * @arg ADC_Channel_9: ADC Channel9 selected - * @arg ADC_Channel_10: ADC Channel10 selected - * @arg ADC_Channel_11: ADC Channel11 selected - * @arg ADC_Channel_12: ADC Channel12 selected - * @arg ADC_Channel_13: ADC Channel13 selected - * @arg ADC_Channel_14: ADC Channel14 selected - * @arg ADC_Channel_15: ADC Channel15 selected - * @arg ADC_Channel_16: ADC Channel16 selected - * @arg ADC_Channel_17: ADC Channel17 selected - * @arg ADC_Channel_18: ADC Channel18 selected - * @param Rank: The rank in the regular group sequencer. - * This parameter must be between 1 to 16. - * @param ADC_SampleTime: The sample time value to be set for the selected channel. - * This parameter can be one of the following values: - * @arg ADC_SampleTime_3Cycles: Sample time equal to 3 cycles - * @arg ADC_SampleTime_15Cycles: Sample time equal to 15 cycles - * @arg ADC_SampleTime_28Cycles: Sample time equal to 28 cycles - * @arg ADC_SampleTime_56Cycles: Sample time equal to 56 cycles - * @arg ADC_SampleTime_84Cycles: Sample time equal to 84 cycles - * @arg ADC_SampleTime_112Cycles: Sample time equal to 112 cycles - * @arg ADC_SampleTime_144Cycles: Sample time equal to 144 cycles - * @arg ADC_SampleTime_480Cycles: Sample time equal to 480 cycles - * @retval None - */ -void ADC_RegularChannelConfig(ADC_TypeDef* ADCx, uint8_t ADC_Channel, uint8_t Rank, uint8_t ADC_SampleTime) -{ - uint32_t tmpreg1 = 0, tmpreg2 = 0; - /* Check the parameters */ - assert_param(IS_ADC_ALL_PERIPH(ADCx)); - assert_param(IS_ADC_CHANNEL(ADC_Channel)); - assert_param(IS_ADC_REGULAR_RANK(Rank)); - assert_param(IS_ADC_SAMPLE_TIME(ADC_SampleTime)); - - /* if ADC_Channel_10 ... ADC_Channel_18 is selected */ - if (ADC_Channel > ADC_Channel_9) - { - /* Get the old register value */ - tmpreg1 = ADCx->SMPR1; - - /* Calculate the mask to clear */ - tmpreg2 = SMPR1_SMP_SET << (3 * (ADC_Channel - 10)); - - /* Clear the old sample time */ - tmpreg1 &= ~tmpreg2; - - /* Calculate the mask to set */ - tmpreg2 = (uint32_t)ADC_SampleTime << (3 * (ADC_Channel - 10)); - - /* Set the new sample time */ - tmpreg1 |= tmpreg2; - - /* Store the new register value */ - ADCx->SMPR1 = tmpreg1; - } - else /* ADC_Channel include in ADC_Channel_[0..9] */ - { - /* Get the old register value */ - tmpreg1 = ADCx->SMPR2; - - /* Calculate the mask to clear */ - tmpreg2 = SMPR2_SMP_SET << (3 * ADC_Channel); - - /* Clear the old sample time */ - tmpreg1 &= ~tmpreg2; - - /* Calculate the mask to set */ - tmpreg2 = (uint32_t)ADC_SampleTime << (3 * ADC_Channel); - - /* Set the new sample time */ - tmpreg1 |= tmpreg2; - - /* Store the new register value */ - ADCx->SMPR2 = tmpreg1; - } - /* For Rank 1 to 6 */ - if (Rank < 7) - { - /* Get the old register value */ - tmpreg1 = ADCx->SQR3; - - /* Calculate the mask to clear */ - tmpreg2 = SQR3_SQ_SET << (5 * (Rank - 1)); - - /* Clear the old SQx bits for the selected rank */ - tmpreg1 &= ~tmpreg2; - - /* Calculate the mask to set */ - tmpreg2 = (uint32_t)ADC_Channel << (5 * (Rank - 1)); - - /* Set the SQx bits for the selected rank */ - tmpreg1 |= tmpreg2; - - /* Store the new register value */ - ADCx->SQR3 = tmpreg1; - } - /* For Rank 7 to 12 */ - else if (Rank < 13) - { - /* Get the old register value */ - tmpreg1 = ADCx->SQR2; - - /* Calculate the mask to clear */ - tmpreg2 = SQR2_SQ_SET << (5 * (Rank - 7)); - - /* Clear the old SQx bits for the selected rank */ - tmpreg1 &= ~tmpreg2; - - /* Calculate the mask to set */ - tmpreg2 = (uint32_t)ADC_Channel << (5 * (Rank - 7)); - - /* Set the SQx bits for the selected rank */ - tmpreg1 |= tmpreg2; - - /* Store the new register value */ - ADCx->SQR2 = tmpreg1; - } - /* For Rank 13 to 16 */ - else - { - /* Get the old register value */ - tmpreg1 = ADCx->SQR1; - - /* Calculate the mask to clear */ - tmpreg2 = SQR1_SQ_SET << (5 * (Rank - 13)); - - /* Clear the old SQx bits for the selected rank */ - tmpreg1 &= ~tmpreg2; - - /* Calculate the mask to set */ - tmpreg2 = (uint32_t)ADC_Channel << (5 * (Rank - 13)); - - /* Set the SQx bits for the selected rank */ - tmpreg1 |= tmpreg2; - - /* Store the new register value */ - ADCx->SQR1 = tmpreg1; - } -} - -/** - * @brief Enables the selected ADC software start conversion of the regular channels. - * @param ADCx: where x can be 1, 2 or 3 to select the ADC peripheral. - * @retval None - */ -void ADC_SoftwareStartConv(ADC_TypeDef* ADCx) -{ - /* Check the parameters */ - assert_param(IS_ADC_ALL_PERIPH(ADCx)); - - /* Enable the selected ADC conversion for regular group */ - ADCx->CR2 |= (uint32_t)ADC_CR2_SWSTART; -} - -/** - * @brief Gets the selected ADC Software start regular conversion Status. - * @param ADCx: where x can be 1, 2 or 3 to select the ADC peripheral. - * @retval The new state of ADC software start conversion (SET or RESET). - */ -FlagStatus ADC_GetSoftwareStartConvStatus(ADC_TypeDef* ADCx) -{ - FlagStatus bitstatus = RESET; - /* Check the parameters */ - assert_param(IS_ADC_ALL_PERIPH(ADCx)); - - /* Check the status of SWSTART bit */ - if ((ADCx->CR2 & ADC_CR2_SWSTART) != (uint32_t)RESET) - { - /* SWSTART bit is set */ - bitstatus = SET; - } - else - { - /* SWSTART bit is reset */ - bitstatus = RESET; - } - - /* Return the SWSTART bit status */ - return bitstatus; -} - - -/** - * @brief Enables or disables the EOC on each regular channel conversion - * @param ADCx: where x can be 1, 2 or 3 to select the ADC peripheral. - * @param NewState: new state of the selected ADC EOC flag rising - * This parameter can be: ENABLE or DISABLE. - * @retval None - */ -void ADC_EOCOnEachRegularChannelCmd(ADC_TypeDef* ADCx, FunctionalState NewState) -{ - /* Check the parameters */ - assert_param(IS_ADC_ALL_PERIPH(ADCx)); - assert_param(IS_FUNCTIONAL_STATE(NewState)); - - if (NewState != DISABLE) - { - /* Enable the selected ADC EOC rising on each regular channel conversion */ - ADCx->CR2 |= (uint32_t)ADC_CR2_EOCS; - } - else - { - /* Disable the selected ADC EOC rising on each regular channel conversion */ - ADCx->CR2 &= (uint32_t)(~ADC_CR2_EOCS); - } -} - -/** - * @brief Enables or disables the ADC continuous conversion mode - * @param ADCx: where x can be 1, 2 or 3 to select the ADC peripheral. - * @param NewState: new state of the selected ADC continuous conversion mode - * This parameter can be: ENABLE or DISABLE. - * @retval None - */ -void ADC_ContinuousModeCmd(ADC_TypeDef* ADCx, FunctionalState NewState) -{ - /* Check the parameters */ - assert_param(IS_ADC_ALL_PERIPH(ADCx)); - assert_param(IS_FUNCTIONAL_STATE(NewState)); - - if (NewState != DISABLE) - { - /* Enable the selected ADC continuous conversion mode */ - ADCx->CR2 |= (uint32_t)ADC_CR2_CONT; - } - else - { - /* Disable the selected ADC continuous conversion mode */ - ADCx->CR2 &= (uint32_t)(~ADC_CR2_CONT); - } -} - -/** - * @brief Configures the discontinuous mode for the selected ADC regular group - * channel. - * @param ADCx: where x can be 1, 2 or 3 to select the ADC peripheral. - * @param Number: specifies the discontinuous mode regular channel count value. - * This number must be between 1 and 8. - * @retval None - */ -void ADC_DiscModeChannelCountConfig(ADC_TypeDef* ADCx, uint8_t Number) -{ - uint32_t tmpreg1 = 0; - uint32_t tmpreg2 = 0; - - /* Check the parameters */ - assert_param(IS_ADC_ALL_PERIPH(ADCx)); - assert_param(IS_ADC_REGULAR_DISC_NUMBER(Number)); - - /* Get the old register value */ - tmpreg1 = ADCx->CR1; - - /* Clear the old discontinuous mode channel count */ - tmpreg1 &= CR1_DISCNUM_RESET; - - /* Set the discontinuous mode channel count */ - tmpreg2 = Number - 1; - tmpreg1 |= tmpreg2 << 13; - - /* Store the new register value */ - ADCx->CR1 = tmpreg1; -} - -/** - * @brief Enables or disables the discontinuous mode on regular group channel - * for the specified ADC - * @param ADCx: where x can be 1, 2 or 3 to select the ADC peripheral. - * @param NewState: new state of the selected ADC discontinuous mode on - * regular group channel. - * This parameter can be: ENABLE or DISABLE. - * @retval None - */ -void ADC_DiscModeCmd(ADC_TypeDef* ADCx, FunctionalState NewState) -{ - /* Check the parameters */ - assert_param(IS_ADC_ALL_PERIPH(ADCx)); - assert_param(IS_FUNCTIONAL_STATE(NewState)); - - if (NewState != DISABLE) - { - /* Enable the selected ADC regular discontinuous mode */ - ADCx->CR1 |= (uint32_t)ADC_CR1_DISCEN; - } - else - { - /* Disable the selected ADC regular discontinuous mode */ - ADCx->CR1 &= (uint32_t)(~ADC_CR1_DISCEN); - } -} - -/** - * @brief Returns the last ADCx conversion result data for regular channel. - * @param ADCx: where x can be 1, 2 or 3 to select the ADC peripheral. - * @retval The Data conversion value. - */ -uint16_t ADC_GetConversionValue(ADC_TypeDef* ADCx) -{ - /* Check the parameters */ - assert_param(IS_ADC_ALL_PERIPH(ADCx)); - - /* Return the selected ADC conversion value */ - return (uint16_t) ADCx->DR; -} - -/** - * @brief Returns the last ADC1, ADC2 and ADC3 regular conversions results - * data in the selected multi mode. - * @param None - * @retval The Data conversion value. - * @note In dual mode, the value returned by this function is as following - * Data[15:0] : these bits contain the regular data of ADC1. - * Data[31:16]: these bits contain the regular data of ADC2. - * @note In triple mode, the value returned by this function is as following - * Data[15:0] : these bits contain alternatively the regular data of ADC1, ADC3 and ADC2. - * Data[31:16]: these bits contain alternatively the regular data of ADC2, ADC1 and ADC3. - */ -uint32_t ADC_GetMultiModeConversionValue(void) -{ - /* Return the multi mode conversion value */ - return (*(__IO uint32_t *) CDR_ADDRESS); -} -/** - * @} - */ - -/** @defgroup ADC_Group5 Regular Channels DMA Configuration functions - * @brief Regular Channels DMA Configuration functions - * -@verbatim - =============================================================================== - ##### Regular Channels DMA Configuration functions ##### - =============================================================================== - [..] This section provides functions allowing to configure the DMA for ADC - regular channels. - Since converted regular channel values are stored into a unique data - register, it is useful to use DMA for conversion of more than one regular - channel. This avoids the loss of the data already stored in the ADC - Data register. - When the DMA mode is enabled (using the ADC_DMACmd() function), after each - conversion of a regular channel, a DMA request is generated. - [..] Depending on the "DMA disable selection for Independent ADC mode" - configuration (using the ADC_DMARequestAfterLastTransferCmd() function), - at the end of the last DMA transfer, two possibilities are allowed: - (+) No new DMA request is issued to the DMA controller (feature DISABLED) - (+) Requests can continue to be generated (feature ENABLED). - [..] Depending on the "DMA disable selection for multi ADC mode" configuration - (using the void ADC_MultiModeDMARequestAfterLastTransferCmd() function), - at the end of the last DMA transfer, two possibilities are allowed: - (+) No new DMA request is issued to the DMA controller (feature DISABLED) - (+) Requests can continue to be generated (feature ENABLED). - -@endverbatim - * @{ - */ - - /** - * @brief Enables or disables the specified ADC DMA request. - * @param ADCx: where x can be 1, 2 or 3 to select the ADC peripheral. - * @param NewState: new state of the selected ADC DMA transfer. - * This parameter can be: ENABLE or DISABLE. - * @retval None - */ -void ADC_DMACmd(ADC_TypeDef* ADCx, FunctionalState NewState) -{ - /* Check the parameters */ - assert_param(IS_ADC_ALL_PERIPH(ADCx)); - assert_param(IS_FUNCTIONAL_STATE(NewState)); - if (NewState != DISABLE) - { - /* Enable the selected ADC DMA request */ - ADCx->CR2 |= (uint32_t)ADC_CR2_DMA; - } - else - { - /* Disable the selected ADC DMA request */ - ADCx->CR2 &= (uint32_t)(~ADC_CR2_DMA); - } -} - -/** - * @brief Enables or disables the ADC DMA request after last transfer (Single-ADC mode) - * @param ADCx: where x can be 1, 2 or 3 to select the ADC peripheral. - * @param NewState: new state of the selected ADC DMA request after last transfer. - * This parameter can be: ENABLE or DISABLE. - * @retval None - */ -void ADC_DMARequestAfterLastTransferCmd(ADC_TypeDef* ADCx, FunctionalState NewState) -{ - /* Check the parameters */ - assert_param(IS_ADC_ALL_PERIPH(ADCx)); - assert_param(IS_FUNCTIONAL_STATE(NewState)); - if (NewState != DISABLE) - { - /* Enable the selected ADC DMA request after last transfer */ - ADCx->CR2 |= (uint32_t)ADC_CR2_DDS; - } - else - { - /* Disable the selected ADC DMA request after last transfer */ - ADCx->CR2 &= (uint32_t)(~ADC_CR2_DDS); - } -} - -/** - * @brief Enables or disables the ADC DMA request after last transfer in multi ADC mode - * @param NewState: new state of the selected ADC DMA request after last transfer. - * This parameter can be: ENABLE or DISABLE. - * @note if Enabled, DMA requests are issued as long as data are converted and - * DMA mode for multi ADC mode (selected using ADC_CommonInit() function - * by ADC_CommonInitStruct.ADC_DMAAccessMode structure member) is - * ADC_DMAAccessMode_1, ADC_DMAAccessMode_2 or ADC_DMAAccessMode_3. - * @retval None - */ -void ADC_MultiModeDMARequestAfterLastTransferCmd(FunctionalState NewState) -{ - /* Check the parameters */ - assert_param(IS_FUNCTIONAL_STATE(NewState)); - if (NewState != DISABLE) - { - /* Enable the selected ADC DMA request after last transfer */ - ADC->CCR |= (uint32_t)ADC_CCR_DDS; - } - else - { - /* Disable the selected ADC DMA request after last transfer */ - ADC->CCR &= (uint32_t)(~ADC_CCR_DDS); - } -} -/** - * @} - */ - -/** @defgroup ADC_Group6 Injected channels Configuration functions - * @brief Injected channels Configuration functions - * -@verbatim - =============================================================================== - ##### Injected channels Configuration functions ##### - =============================================================================== - - [..] This section provide functions allowing to configure the ADC Injected channels, - it is composed of 2 sub sections : - - (#) Configuration functions for Injected channels: This subsection provides - functions allowing to configure the ADC injected channels : - (++) Configure the rank in the injected group sequencer for each channel - (++) Configure the sampling time for each channel - (++) Activate the Auto injected Mode - (++) Activate the Discontinuous Mode - (++) scan mode activation - (++) External/software trigger source - (++) External trigger edge - (++) injected channels sequencer. - - (#) Get the Specified Injected channel conversion data: This subsection - provides an important function in the ADC peripheral since it returns the - converted data of the specific injected channel. - -@endverbatim - * @{ - */ -/** - * @brief Configures for the selected ADC injected channel its corresponding - * rank in the sequencer and its sample time. - * @param ADCx: where x can be 1, 2 or 3 to select the ADC peripheral. - * @param ADC_Channel: the ADC channel to configure. - * This parameter can be one of the following values: - * @arg ADC_Channel_0: ADC Channel0 selected - * @arg ADC_Channel_1: ADC Channel1 selected - * @arg ADC_Channel_2: ADC Channel2 selected - * @arg ADC_Channel_3: ADC Channel3 selected - * @arg ADC_Channel_4: ADC Channel4 selected - * @arg ADC_Channel_5: ADC Channel5 selected - * @arg ADC_Channel_6: ADC Channel6 selected - * @arg ADC_Channel_7: ADC Channel7 selected - * @arg ADC_Channel_8: ADC Channel8 selected - * @arg ADC_Channel_9: ADC Channel9 selected - * @arg ADC_Channel_10: ADC Channel10 selected - * @arg ADC_Channel_11: ADC Channel11 selected - * @arg ADC_Channel_12: ADC Channel12 selected - * @arg ADC_Channel_13: ADC Channel13 selected - * @arg ADC_Channel_14: ADC Channel14 selected - * @arg ADC_Channel_15: ADC Channel15 selected - * @arg ADC_Channel_16: ADC Channel16 selected - * @arg ADC_Channel_17: ADC Channel17 selected - * @arg ADC_Channel_18: ADC Channel18 selected - * @param Rank: The rank in the injected group sequencer. - * This parameter must be between 1 to 4. - * @param ADC_SampleTime: The sample time value to be set for the selected channel. - * This parameter can be one of the following values: - * @arg ADC_SampleTime_3Cycles: Sample time equal to 3 cycles - * @arg ADC_SampleTime_15Cycles: Sample time equal to 15 cycles - * @arg ADC_SampleTime_28Cycles: Sample time equal to 28 cycles - * @arg ADC_SampleTime_56Cycles: Sample time equal to 56 cycles - * @arg ADC_SampleTime_84Cycles: Sample time equal to 84 cycles - * @arg ADC_SampleTime_112Cycles: Sample time equal to 112 cycles - * @arg ADC_SampleTime_144Cycles: Sample time equal to 144 cycles - * @arg ADC_SampleTime_480Cycles: Sample time equal to 480 cycles - * @retval None - */ -void ADC_InjectedChannelConfig(ADC_TypeDef* ADCx, uint8_t ADC_Channel, uint8_t Rank, uint8_t ADC_SampleTime) -{ - uint32_t tmpreg1 = 0, tmpreg2 = 0, tmpreg3 = 0; - /* Check the parameters */ - assert_param(IS_ADC_ALL_PERIPH(ADCx)); - assert_param(IS_ADC_CHANNEL(ADC_Channel)); - assert_param(IS_ADC_INJECTED_RANK(Rank)); - assert_param(IS_ADC_SAMPLE_TIME(ADC_SampleTime)); - /* if ADC_Channel_10 ... ADC_Channel_18 is selected */ - if (ADC_Channel > ADC_Channel_9) - { - /* Get the old register value */ - tmpreg1 = ADCx->SMPR1; - /* Calculate the mask to clear */ - tmpreg2 = SMPR1_SMP_SET << (3*(ADC_Channel - 10)); - /* Clear the old sample time */ - tmpreg1 &= ~tmpreg2; - /* Calculate the mask to set */ - tmpreg2 = (uint32_t)ADC_SampleTime << (3*(ADC_Channel - 10)); - /* Set the new sample time */ - tmpreg1 |= tmpreg2; - /* Store the new register value */ - ADCx->SMPR1 = tmpreg1; - } - else /* ADC_Channel include in ADC_Channel_[0..9] */ - { - /* Get the old register value */ - tmpreg1 = ADCx->SMPR2; - /* Calculate the mask to clear */ - tmpreg2 = SMPR2_SMP_SET << (3 * ADC_Channel); - /* Clear the old sample time */ - tmpreg1 &= ~tmpreg2; - /* Calculate the mask to set */ - tmpreg2 = (uint32_t)ADC_SampleTime << (3 * ADC_Channel); - /* Set the new sample time */ - tmpreg1 |= tmpreg2; - /* Store the new register value */ - ADCx->SMPR2 = tmpreg1; - } - /* Rank configuration */ - /* Get the old register value */ - tmpreg1 = ADCx->JSQR; - /* Get JL value: Number = JL+1 */ - tmpreg3 = (tmpreg1 & JSQR_JL_SET)>> 20; - /* Calculate the mask to clear: ((Rank-1)+(4-JL-1)) */ - tmpreg2 = JSQR_JSQ_SET << (5 * (uint8_t)((Rank + 3) - (tmpreg3 + 1))); - /* Clear the old JSQx bits for the selected rank */ - tmpreg1 &= ~tmpreg2; - /* Calculate the mask to set: ((Rank-1)+(4-JL-1)) */ - tmpreg2 = (uint32_t)ADC_Channel << (5 * (uint8_t)((Rank + 3) - (tmpreg3 + 1))); - /* Set the JSQx bits for the selected rank */ - tmpreg1 |= tmpreg2; - /* Store the new register value */ - ADCx->JSQR = tmpreg1; -} - -/** - * @brief Configures the sequencer length for injected channels - * @param ADCx: where x can be 1, 2 or 3 to select the ADC peripheral. - * @param Length: The sequencer length. - * This parameter must be a number between 1 to 4. - * @retval None - */ -void ADC_InjectedSequencerLengthConfig(ADC_TypeDef* ADCx, uint8_t Length) -{ - uint32_t tmpreg1 = 0; - uint32_t tmpreg2 = 0; - /* Check the parameters */ - assert_param(IS_ADC_ALL_PERIPH(ADCx)); - assert_param(IS_ADC_INJECTED_LENGTH(Length)); - - /* Get the old register value */ - tmpreg1 = ADCx->JSQR; - - /* Clear the old injected sequence length JL bits */ - tmpreg1 &= JSQR_JL_RESET; - - /* Set the injected sequence length JL bits */ - tmpreg2 = Length - 1; - tmpreg1 |= tmpreg2 << 20; - - /* Store the new register value */ - ADCx->JSQR = tmpreg1; -} - -/** - * @brief Set the injected channels conversion value offset - * @param ADCx: where x can be 1, 2 or 3 to select the ADC peripheral. - * @param ADC_InjectedChannel: the ADC injected channel to set its offset. - * This parameter can be one of the following values: - * @arg ADC_InjectedChannel_1: Injected Channel1 selected - * @arg ADC_InjectedChannel_2: Injected Channel2 selected - * @arg ADC_InjectedChannel_3: Injected Channel3 selected - * @arg ADC_InjectedChannel_4: Injected Channel4 selected - * @param Offset: the offset value for the selected ADC injected channel - * This parameter must be a 12bit value. - * @retval None - */ -void ADC_SetInjectedOffset(ADC_TypeDef* ADCx, uint8_t ADC_InjectedChannel, uint16_t Offset) -{ - __IO uint32_t tmp = 0; - /* Check the parameters */ - assert_param(IS_ADC_ALL_PERIPH(ADCx)); - assert_param(IS_ADC_INJECTED_CHANNEL(ADC_InjectedChannel)); - assert_param(IS_ADC_OFFSET(Offset)); - - tmp = (uint32_t)ADCx; - tmp += ADC_InjectedChannel; - - /* Set the selected injected channel data offset */ - *(__IO uint32_t *) tmp = (uint32_t)Offset; -} - - /** - * @brief Configures the ADCx external trigger for injected channels conversion. - * @param ADCx: where x can be 1, 2 or 3 to select the ADC peripheral. - * @param ADC_ExternalTrigInjecConv: specifies the ADC trigger to start injected conversion. - * This parameter can be one of the following values: - * @arg ADC_ExternalTrigInjecConv_T1_CC4: Timer1 capture compare4 selected - * @arg ADC_ExternalTrigInjecConv_T1_TRGO: Timer1 TRGO event selected - * @arg ADC_ExternalTrigInjecConv_T2_CC1: Timer2 capture compare1 selected - * @arg ADC_ExternalTrigInjecConv_T2_TRGO: Timer2 TRGO event selected - * @arg ADC_ExternalTrigInjecConv_T3_CC2: Timer3 capture compare2 selected - * @arg ADC_ExternalTrigInjecConv_T3_CC4: Timer3 capture compare4 selected - * @arg ADC_ExternalTrigInjecConv_T4_CC1: Timer4 capture compare1 selected - * @arg ADC_ExternalTrigInjecConv_T4_CC2: Timer4 capture compare2 selected - * @arg ADC_ExternalTrigInjecConv_T4_CC3: Timer4 capture compare3 selected - * @arg ADC_ExternalTrigInjecConv_T4_TRGO: Timer4 TRGO event selected - * @arg ADC_ExternalTrigInjecConv_T5_CC4: Timer5 capture compare4 selected - * @arg ADC_ExternalTrigInjecConv_T5_TRGO: Timer5 TRGO event selected - * @arg ADC_ExternalTrigInjecConv_T8_CC2: Timer8 capture compare2 selected - * @arg ADC_ExternalTrigInjecConv_T8_CC3: Timer8 capture compare3 selected - * @arg ADC_ExternalTrigInjecConv_T8_CC4: Timer8 capture compare4 selected - * @arg ADC_ExternalTrigInjecConv_Ext_IT15: External interrupt line 15 event selected - * @retval None - */ -void ADC_ExternalTrigInjectedConvConfig(ADC_TypeDef* ADCx, uint32_t ADC_ExternalTrigInjecConv) -{ - uint32_t tmpreg = 0; - /* Check the parameters */ - assert_param(IS_ADC_ALL_PERIPH(ADCx)); - assert_param(IS_ADC_EXT_INJEC_TRIG(ADC_ExternalTrigInjecConv)); - - /* Get the old register value */ - tmpreg = ADCx->CR2; - - /* Clear the old external event selection for injected group */ - tmpreg &= CR2_JEXTSEL_RESET; - - /* Set the external event selection for injected group */ - tmpreg |= ADC_ExternalTrigInjecConv; - - /* Store the new register value */ - ADCx->CR2 = tmpreg; -} - -/** - * @brief Configures the ADCx external trigger edge for injected channels conversion. - * @param ADCx: where x can be 1, 2 or 3 to select the ADC peripheral. - * @param ADC_ExternalTrigInjecConvEdge: specifies the ADC external trigger edge - * to start injected conversion. - * This parameter can be one of the following values: - * @arg ADC_ExternalTrigInjecConvEdge_None: external trigger disabled for - * injected conversion - * @arg ADC_ExternalTrigInjecConvEdge_Rising: detection on rising edge - * @arg ADC_ExternalTrigInjecConvEdge_Falling: detection on falling edge - * @arg ADC_ExternalTrigInjecConvEdge_RisingFalling: detection on both rising - * and falling edge - * @retval None - */ -void ADC_ExternalTrigInjectedConvEdgeConfig(ADC_TypeDef* ADCx, uint32_t ADC_ExternalTrigInjecConvEdge) -{ - uint32_t tmpreg = 0; - /* Check the parameters */ - assert_param(IS_ADC_ALL_PERIPH(ADCx)); - assert_param(IS_ADC_EXT_INJEC_TRIG_EDGE(ADC_ExternalTrigInjecConvEdge)); - /* Get the old register value */ - tmpreg = ADCx->CR2; - /* Clear the old external trigger edge for injected group */ - tmpreg &= CR2_JEXTEN_RESET; - /* Set the new external trigger edge for injected group */ - tmpreg |= ADC_ExternalTrigInjecConvEdge; - /* Store the new register value */ - ADCx->CR2 = tmpreg; -} - -/** - * @brief Enables the selected ADC software start conversion of the injected channels. - * @param ADCx: where x can be 1, 2 or 3 to select the ADC peripheral. - * @retval None - */ -void ADC_SoftwareStartInjectedConv(ADC_TypeDef* ADCx) -{ - /* Check the parameters */ - assert_param(IS_ADC_ALL_PERIPH(ADCx)); - /* Enable the selected ADC conversion for injected group */ - ADCx->CR2 |= (uint32_t)ADC_CR2_JSWSTART; -} - -/** - * @brief Gets the selected ADC Software start injected conversion Status. - * @param ADCx: where x can be 1, 2 or 3 to select the ADC peripheral. - * @retval The new state of ADC software start injected conversion (SET or RESET). - */ -FlagStatus ADC_GetSoftwareStartInjectedConvCmdStatus(ADC_TypeDef* ADCx) -{ - FlagStatus bitstatus = RESET; - /* Check the parameters */ - assert_param(IS_ADC_ALL_PERIPH(ADCx)); - - /* Check the status of JSWSTART bit */ - if ((ADCx->CR2 & ADC_CR2_JSWSTART) != (uint32_t)RESET) - { - /* JSWSTART bit is set */ - bitstatus = SET; - } - else - { - /* JSWSTART bit is reset */ - bitstatus = RESET; - } - /* Return the JSWSTART bit status */ - return bitstatus; -} - -/** - * @brief Enables or disables the selected ADC automatic injected group - * conversion after regular one. - * @param ADCx: where x can be 1, 2 or 3 to select the ADC peripheral. - * @param NewState: new state of the selected ADC auto injected conversion - * This parameter can be: ENABLE or DISABLE. - * @retval None - */ -void ADC_AutoInjectedConvCmd(ADC_TypeDef* ADCx, FunctionalState NewState) -{ - /* Check the parameters */ - assert_param(IS_ADC_ALL_PERIPH(ADCx)); - assert_param(IS_FUNCTIONAL_STATE(NewState)); - if (NewState != DISABLE) - { - /* Enable the selected ADC automatic injected group conversion */ - ADCx->CR1 |= (uint32_t)ADC_CR1_JAUTO; - } - else - { - /* Disable the selected ADC automatic injected group conversion */ - ADCx->CR1 &= (uint32_t)(~ADC_CR1_JAUTO); - } -} - -/** - * @brief Enables or disables the discontinuous mode for injected group - * channel for the specified ADC - * @param ADCx: where x can be 1, 2 or 3 to select the ADC peripheral. - * @param NewState: new state of the selected ADC discontinuous mode on injected - * group channel. - * This parameter can be: ENABLE or DISABLE. - * @retval None - */ -void ADC_InjectedDiscModeCmd(ADC_TypeDef* ADCx, FunctionalState NewState) -{ - /* Check the parameters */ - assert_param(IS_ADC_ALL_PERIPH(ADCx)); - assert_param(IS_FUNCTIONAL_STATE(NewState)); - if (NewState != DISABLE) - { - /* Enable the selected ADC injected discontinuous mode */ - ADCx->CR1 |= (uint32_t)ADC_CR1_JDISCEN; - } - else - { - /* Disable the selected ADC injected discontinuous mode */ - ADCx->CR1 &= (uint32_t)(~ADC_CR1_JDISCEN); - } -} - -/** - * @brief Returns the ADC injected channel conversion result - * @param ADCx: where x can be 1, 2 or 3 to select the ADC peripheral. - * @param ADC_InjectedChannel: the converted ADC injected channel. - * This parameter can be one of the following values: - * @arg ADC_InjectedChannel_1: Injected Channel1 selected - * @arg ADC_InjectedChannel_2: Injected Channel2 selected - * @arg ADC_InjectedChannel_3: Injected Channel3 selected - * @arg ADC_InjectedChannel_4: Injected Channel4 selected - * @retval The Data conversion value. - */ -uint16_t ADC_GetInjectedConversionValue(ADC_TypeDef* ADCx, uint8_t ADC_InjectedChannel) -{ - __IO uint32_t tmp = 0; - - /* Check the parameters */ - assert_param(IS_ADC_ALL_PERIPH(ADCx)); - assert_param(IS_ADC_INJECTED_CHANNEL(ADC_InjectedChannel)); - - tmp = (uint32_t)ADCx; - tmp += ADC_InjectedChannel + JDR_OFFSET; - - /* Returns the selected injected channel conversion data value */ - return (uint16_t) (*(__IO uint32_t*) tmp); -} -/** - * @} - */ - -/** @defgroup ADC_Group7 Interrupts and flags management functions - * @brief Interrupts and flags management functions - * -@verbatim - =============================================================================== - ##### Interrupts and flags management functions ##### - =============================================================================== - - [..] This section provides functions allowing to configure the ADC Interrupts - and to get the status and clear flags and Interrupts pending bits. - - [..] Each ADC provides 4 Interrupts sources and 6 Flags which can be divided - into 3 groups: - - *** Flags and Interrupts for ADC regular channels *** - ===================================================== - [..] - (+) Flags : - (##) ADC_FLAG_OVR : Overrun detection when regular converted data are lost - - (##) ADC_FLAG_EOC : Regular channel end of conversion ==> to indicate - (depending on EOCS bit, managed by ADC_EOCOnEachRegularChannelCmd() ) - the end of: - (+++) a regular CHANNEL conversion - (+++) sequence of regular GROUP conversions . - - (##) ADC_FLAG_STRT: Regular channel start ==> to indicate when regular - CHANNEL conversion starts. - [..] - (+) Interrupts : - (##) ADC_IT_OVR : specifies the interrupt source for Overrun detection - event. - (##) ADC_IT_EOC : specifies the interrupt source for Regular channel end - of conversion event. - - - *** Flags and Interrupts for ADC Injected channels *** - ====================================================== - [..] - (+) Flags : - (##) ADC_FLAG_JEOC : Injected channel end of conversion ==> to indicate - at the end of injected GROUP conversion - - (##) ADC_FLAG_JSTRT: Injected channel start ==> to indicate hardware when - injected GROUP conversion starts. - [..] - (+) Interrupts : - (##) ADC_IT_JEOC : specifies the interrupt source for Injected channel - end of conversion event. - - *** General Flags and Interrupts for the ADC *** - ================================================ - [..] - (+)Flags : - (##) ADC_FLAG_AWD: Analog watchdog ==> to indicate if the converted voltage - crosses the programmed thresholds values. - [..] - (+) Interrupts : - (##) ADC_IT_AWD : specifies the interrupt source for Analog watchdog event. - - - [..] The user should identify which mode will be used in his application to - manage the ADC controller events: Polling mode or Interrupt mode. - - [..] In the Polling Mode it is advised to use the following functions: - (+) ADC_GetFlagStatus() : to check if flags events occur. - (+) ADC_ClearFlag() : to clear the flags events. - - [..] In the Interrupt Mode it is advised to use the following functions: - (+) ADC_ITConfig() : to enable or disable the interrupt source. - (+) ADC_GetITStatus() : to check if Interrupt occurs. - (+) ADC_ClearITPendingBit() : to clear the Interrupt pending Bit - (corresponding Flag). -@endverbatim - * @{ - */ -/** - * @brief Enables or disables the specified ADC interrupts. - * @param ADCx: where x can be 1, 2 or 3 to select the ADC peripheral. - * @param ADC_IT: specifies the ADC interrupt sources to be enabled or disabled. - * This parameter can be one of the following values: - * @arg ADC_IT_EOC: End of conversion interrupt mask - * @arg ADC_IT_AWD: Analog watchdog interrupt mask - * @arg ADC_IT_JEOC: End of injected conversion interrupt mask - * @arg ADC_IT_OVR: Overrun interrupt enable - * @param NewState: new state of the specified ADC interrupts. - * This parameter can be: ENABLE or DISABLE. - * @retval None - */ -void ADC_ITConfig(ADC_TypeDef* ADCx, uint16_t ADC_IT, FunctionalState NewState) -{ - uint32_t itmask = 0; - /* Check the parameters */ - assert_param(IS_ADC_ALL_PERIPH(ADCx)); - assert_param(IS_FUNCTIONAL_STATE(NewState)); - assert_param(IS_ADC_IT(ADC_IT)); - - /* Get the ADC IT index */ - itmask = (uint8_t)ADC_IT; - itmask = (uint32_t)0x01 << itmask; - - if (NewState != DISABLE) - { - /* Enable the selected ADC interrupts */ - ADCx->CR1 |= itmask; - } - else - { - /* Disable the selected ADC interrupts */ - ADCx->CR1 &= (~(uint32_t)itmask); - } -} - -/** - * @brief Checks whether the specified ADC flag is set or not. - * @param ADCx: where x can be 1, 2 or 3 to select the ADC peripheral. - * @param ADC_FLAG: specifies the flag to check. - * This parameter can be one of the following values: - * @arg ADC_FLAG_AWD: Analog watchdog flag - * @arg ADC_FLAG_EOC: End of conversion flag - * @arg ADC_FLAG_JEOC: End of injected group conversion flag - * @arg ADC_FLAG_JSTRT: Start of injected group conversion flag - * @arg ADC_FLAG_STRT: Start of regular group conversion flag - * @arg ADC_FLAG_OVR: Overrun flag - * @retval The new state of ADC_FLAG (SET or RESET). - */ -FlagStatus ADC_GetFlagStatus(ADC_TypeDef* ADCx, uint8_t ADC_FLAG) -{ - FlagStatus bitstatus = RESET; - /* Check the parameters */ - assert_param(IS_ADC_ALL_PERIPH(ADCx)); - assert_param(IS_ADC_GET_FLAG(ADC_FLAG)); - - /* Check the status of the specified ADC flag */ - if ((ADCx->SR & ADC_FLAG) != (uint8_t)RESET) - { - /* ADC_FLAG is set */ - bitstatus = SET; - } - else - { - /* ADC_FLAG is reset */ - bitstatus = RESET; - } - /* Return the ADC_FLAG status */ - return bitstatus; -} - -/** - * @brief Clears the ADCx's pending flags. - * @param ADCx: where x can be 1, 2 or 3 to select the ADC peripheral. - * @param ADC_FLAG: specifies the flag to clear. - * This parameter can be any combination of the following values: - * @arg ADC_FLAG_AWD: Analog watchdog flag - * @arg ADC_FLAG_EOC: End of conversion flag - * @arg ADC_FLAG_JEOC: End of injected group conversion flag - * @arg ADC_FLAG_JSTRT: Start of injected group conversion flag - * @arg ADC_FLAG_STRT: Start of regular group conversion flag - * @arg ADC_FLAG_OVR: Overrun flag - * @retval None - */ -void ADC_ClearFlag(ADC_TypeDef* ADCx, uint8_t ADC_FLAG) -{ - /* Check the parameters */ - assert_param(IS_ADC_ALL_PERIPH(ADCx)); - assert_param(IS_ADC_CLEAR_FLAG(ADC_FLAG)); - - /* Clear the selected ADC flags */ - ADCx->SR = ~(uint32_t)ADC_FLAG; -} - -/** - * @brief Checks whether the specified ADC interrupt has occurred or not. - * @param ADCx: where x can be 1, 2 or 3 to select the ADC peripheral. - * @param ADC_IT: specifies the ADC interrupt source to check. - * This parameter can be one of the following values: - * @arg ADC_IT_EOC: End of conversion interrupt mask - * @arg ADC_IT_AWD: Analog watchdog interrupt mask - * @arg ADC_IT_JEOC: End of injected conversion interrupt mask - * @arg ADC_IT_OVR: Overrun interrupt mask - * @retval The new state of ADC_IT (SET or RESET). - */ -ITStatus ADC_GetITStatus(ADC_TypeDef* ADCx, uint16_t ADC_IT) -{ - ITStatus bitstatus = RESET; - uint32_t itmask = 0, enablestatus = 0; - - /* Check the parameters */ - assert_param(IS_ADC_ALL_PERIPH(ADCx)); - assert_param(IS_ADC_IT(ADC_IT)); - - /* Get the ADC IT index */ - itmask = ADC_IT >> 8; - - /* Get the ADC_IT enable bit status */ - enablestatus = (ADCx->CR1 & ((uint32_t)0x01 << (uint8_t)ADC_IT)) ; - - /* Check the status of the specified ADC interrupt */ - if (((ADCx->SR & itmask) != (uint32_t)RESET) && enablestatus) - { - /* ADC_IT is set */ - bitstatus = SET; - } - else - { - /* ADC_IT is reset */ - bitstatus = RESET; - } - /* Return the ADC_IT status */ - return bitstatus; -} - -/** - * @brief Clears the ADCx's interrupt pending bits. - * @param ADCx: where x can be 1, 2 or 3 to select the ADC peripheral. - * @param ADC_IT: specifies the ADC interrupt pending bit to clear. - * This parameter can be one of the following values: - * @arg ADC_IT_EOC: End of conversion interrupt mask - * @arg ADC_IT_AWD: Analog watchdog interrupt mask - * @arg ADC_IT_JEOC: End of injected conversion interrupt mask - * @arg ADC_IT_OVR: Overrun interrupt mask - * @retval None - */ -void ADC_ClearITPendingBit(ADC_TypeDef* ADCx, uint16_t ADC_IT) -{ - uint8_t itmask = 0; - /* Check the parameters */ - assert_param(IS_ADC_ALL_PERIPH(ADCx)); - assert_param(IS_ADC_IT(ADC_IT)); - /* Get the ADC IT index */ - itmask = (uint8_t)(ADC_IT >> 8); - /* Clear the selected ADC interrupt pending bits */ - ADCx->SR = ~(uint32_t)itmask; -} -/** - * @} - */ - -/** - * @} - */ - -/** - * @} - */ - -/** - * @} - */ - -/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ -- cgit v1.2.3