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Diffstat (limited to 'tmk_core/tool/mbed/mbed-sdk/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32L0/stm32l0xx_hal_tsc.c')
| -rw-r--r-- | tmk_core/tool/mbed/mbed-sdk/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32L0/stm32l0xx_hal_tsc.c | 769 |
1 files changed, 769 insertions, 0 deletions
diff --git a/tmk_core/tool/mbed/mbed-sdk/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32L0/stm32l0xx_hal_tsc.c b/tmk_core/tool/mbed/mbed-sdk/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32L0/stm32l0xx_hal_tsc.c new file mode 100644 index 0000000000..0f8179b23c --- /dev/null +++ b/tmk_core/tool/mbed/mbed-sdk/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32L0/stm32l0xx_hal_tsc.c @@ -0,0 +1,769 @@ +/** + ****************************************************************************** + * @file stm32l0xx_hal_tsc.c + * @author MCD Application Team + * @version V1.2.0 + * @date 06-February-2015 + * @brief This file provides firmware functions to manage the following + * functionalities of the Touch Sensing Controller (TSC) peripheral: + * + Initialization and DeInitialization + * + Channel IOs, Shield IOs and Sampling IOs configuration + * + Start and Stop an acquisition + * + Read acquisition result + * + Interrupts and flags management + * + @verbatim +================================================================================ + ##### TSC specific features ##### +================================================================================ + [..] + (#) Proven and robust surface charge transfer acquisition principle + + (#) Supports up to 3 capacitive sensing channels per group + + (#) Capacitive sensing channels can be acquired in parallel offering a very good + response time + + (#) Spread spectrum feature to improve system robustness in noisy environments + + (#) Full hardware management of the charge transfer acquisition sequence + + (#) Programmable charge transfer frequency + + (#) Programmable sampling capacitor I/O pin + + (#) Programmable channel I/O pin + + (#) Programmable max count value to avoid long acquisition when a channel is faulty + + (#) Dedicated end of acquisition and max count error flags with interrupt capability + + (#) One sampling capacitor for up to 3 capacitive sensing channels to reduce the system + components + + (#) Compatible with proximity, touchkey, linear and rotary touch sensor implementation + + + ##### How to use this driver ##### +================================================================================ + [..] + (#) Enable the TSC interface clock using __HAL_RCC_TSC_CLK_ENABLE() macro. + + (#) GPIO pins configuration + (++) Enable the clock for the TSC GPIOs using __HAL_RCC_GPIOx_CLK_ENABLE() macro. + (++) Configure the TSC pins used as sampling IOs in alternate function output Open-Drain mode, + and TSC pins used as channel/shield IOs in alternate function output Push-Pull mode + using HAL_GPIO_Init() function. + (++) Configure the alternate function on all the TSC pins using HAL_xxxx() function. + + (#) Interrupts configuration + (++) Configure the NVIC (if the interrupt model is used) using HAL_xxx() function. + + (#) TSC configuration + (++) Configure all TSC parameters and used TSC IOs using HAL_TSC_Init() function. + + *** Acquisition sequence *** + =================================== + [..] + (+) Discharge all IOs using HAL_TSC_IODischarge() function. + (+) Wait a certain time allowing a good discharge of all capacitors. This delay depends + of the sampling capacitor and electrodes design. + (+) Select the channel IOs to be acquired using HAL_TSC_IOConfig() function. + (+) Launch the acquisition using either HAL_TSC_Start() or HAL_TSC_Start_IT() function. + If the synchronized mode is selected, the acquisition will start as soon as the signal + is received on the synchro pin. + (+) Wait the end of acquisition using either HAL_TSC_PollForAcquisition() or + HAL_TSC_GetState() function or using WFI instruction for example. + (+) Check the group acquisition status using HAL_TSC_GroupGetStatus() function. + (+) Read the acquisition value using HAL_TSC_GroupGetValue() function. + + @endverbatim + ****************************************************************************** + * @attention + * + * <h2><center>© COPYRIGHT(c) 2015 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 ------------------------------------------------------------------*/ +#if !defined (STM32L031xx) && !defined (STM32L041xx) && !defined (STM32L051xx) && !defined (STM32L061xx) && !defined (STM32L071xx) && !defined (STM32L081xx) +#include "stm32l0xx_hal.h" + +#ifdef HAL_TSC_MODULE_ENABLED +/** @addtogroup STM32L0xx_HAL_Driver + * @{ + */ + +/** @defgroup TSC + * @brief HAL TSC module driver + * @{ + */ + + +/* Private typedef -----------------------------------------------------------*/ +/* Private define ------------------------------------------------------------*/ +/* Private macro -------------------------------------------------------------*/ +/* Private variables ---------------------------------------------------------*/ +/* Private function prototypes -----------------------------------------------*/ +static uint32_t TSC_extract_groups(uint32_t iomask); +/* Private functions ---------------------------------------------------------*/ + +/** @defgroup TSC_Private_Functions + * @{ + */ + +/** @defgroup TSC_Group1 Initialization/de-initialization functions + * @brief Initialization and Configuration functions + * +@verbatim + =============================================================================== + ##### Initialization and de-initialization functions ##### + =============================================================================== + [..] This section provides functions allowing to: + (+) Initialize and configure the TSC. + (+) De-initialize the TSC. +@endverbatim + * @{ + */ + +/** + * @brief Initializes the TSC peripheral according to the specified parameters + * in the TSC_InitTypeDef structure. + * @param htsc: TSC handle + * @retval HAL status + */ +HAL_StatusTypeDef HAL_TSC_Init(TSC_HandleTypeDef* htsc) +{ + /* Check TSC handle allocation */ + if (htsc == NULL) + { + return HAL_ERROR; + } + + /* Check the parameters */ + assert_param(IS_TSC_ALL_INSTANCE(htsc->Instance)); + assert_param(IS_TSC_CTPH(htsc->Init.CTPulseHighLength)); + assert_param(IS_TSC_CTPL(htsc->Init.CTPulseLowLength)); + assert_param(IS_TSC_SS(htsc->Init.SpreadSpectrum)); + assert_param(IS_TSC_SSD(htsc->Init.SpreadSpectrumDeviation)); + assert_param(IS_TSC_SS_PRESC(htsc->Init.SpreadSpectrumPrescaler)); + assert_param(IS_TSC_PG_PRESC(htsc->Init.PulseGeneratorPrescaler)); + assert_param(IS_TSC_MCV(htsc->Init.MaxCountValue)); + assert_param(IS_TSC_IODEF(htsc->Init.IODefaultMode)); + assert_param(IS_TSC_SYNC_POL(htsc->Init.SynchroPinPolarity)); + assert_param(IS_TSC_ACQ_MODE(htsc->Init.AcquisitionMode)); + assert_param(IS_TSC_MCE_IT(htsc->Init.MaxCountInterrupt)); + + /* Initialize the TSC state */ + htsc->State = HAL_TSC_STATE_BUSY; + + /* Init the low level hardware : GPIO, CLOCK, CORTEX */ + HAL_TSC_MspInit(htsc); + + /*--------------------------------------------------------------------------*/ + /* Set TSC parameters */ + + /* Enable TSC */ + htsc->Instance->CR = TSC_CR_TSCE; + + /* Set all functions */ + htsc->Instance->CR |= (htsc->Init.CTPulseHighLength | + htsc->Init.CTPulseLowLength | + (uint32_t)(htsc->Init.SpreadSpectrumDeviation << 17) | + htsc->Init.SpreadSpectrumPrescaler | + htsc->Init.PulseGeneratorPrescaler | + htsc->Init.MaxCountValue | + htsc->Init.IODefaultMode | + htsc->Init.SynchroPinPolarity | + htsc->Init.AcquisitionMode); + + /* Spread spectrum */ + if (htsc->Init.SpreadSpectrum == ENABLE) + { + htsc->Instance->CR |= TSC_CR_SSE; + } + + /* Disable Schmitt trigger hysteresis on all used TSC IOs */ + htsc->Instance->IOHCR = (uint32_t)(~(htsc->Init.ChannelIOs | htsc->Init.ShieldIOs | htsc->Init.SamplingIOs)); + + /* Set channel and shield IOs */ + htsc->Instance->IOCCR = (htsc->Init.ChannelIOs | htsc->Init.ShieldIOs); + + /* Set sampling IOs */ + htsc->Instance->IOSCR = htsc->Init.SamplingIOs; + + /* Set the groups to be acquired */ + htsc->Instance->IOGCSR = TSC_extract_groups(htsc->Init.ChannelIOs); + + /* Clear interrupts */ + htsc->Instance->IER &= (uint32_t)(~(TSC_IT_EOA | TSC_IT_MCE)); + + /* Clear flags */ + htsc->Instance->ICR |= (TSC_FLAG_EOA | TSC_FLAG_MCE); + + /*--------------------------------------------------------------------------*/ + + /* Initialize the TSC state */ + htsc->State = HAL_TSC_STATE_READY; + + /* Return function status */ + return HAL_OK; +} + +/** + * @brief Deinitializes the TSC peripheral registers to their default reset values. + * @param htsc: TSC handle + * @retval HAL status + */ +HAL_StatusTypeDef HAL_TSC_DeInit(TSC_HandleTypeDef* htsc) +{ + /* Check TSC handle allocation */ + if (htsc == NULL) + { + return HAL_ERROR; + } + + /* Check the parameters */ + assert_param(IS_TSC_ALL_INSTANCE(htsc->Instance)); + + /* Change TSC state */ + htsc->State = HAL_TSC_STATE_BUSY; + + /* DeInit the low level hardware */ + HAL_TSC_MspDeInit(htsc); + + /* Change TSC state */ + htsc->State = HAL_TSC_STATE_RESET; + + /* Process unlocked */ + __HAL_UNLOCK(htsc); + + /* Return function status */ + return HAL_OK; +} + +/** + * @brief Initializes the TSC MSP. + * @param htsc: pointer to a TSC_HandleTypeDef structure that contains + * the configuration information for the specified TSC. + * @retval None + */ +__weak void HAL_TSC_MspInit(TSC_HandleTypeDef* htsc) +{ + /* NOTE : This function should not be modified, when the callback is needed, + the HAL_TSC_MspInit could be implemented in the user file. + */ +} + +/** + * @brief DeInitializes the TSC MSP. + * @param htsc: pointer to a TSC_HandleTypeDef structure that contains + * the configuration information for the specified TSC. + * @retval None + */ +__weak void HAL_TSC_MspDeInit(TSC_HandleTypeDef* htsc) +{ + /* NOTE : This function should not be modified, when the callback is needed, + the HAL_TSC_MspDeInit could be implemented in the user file. + */ +} + +/** + * @} + */ + +/** @defgroup HAL_TSC_Group2 IO operation functions + * @brief IO operation functions + * +@verbatim + =============================================================================== + ##### I/O Operation functions ##### + =============================================================================== + [..] This section provides functions allowing to: + (+) Start acquisition in polling mode. + (+) Start acquisition in interrupt mode. + (+) Stop conversion in polling mode. + (+) Stop conversion in interrupt mode. + (+) Get group acquisition status. + (+) Get group acquisition value. +@endverbatim + * @{ + */ + +/** + * @brief Starts the acquisition. + * @param htsc: pointer to a TSC_HandleTypeDef structure that contains + * the configuration information for the specified TSC. + * @retval HAL status + */ +HAL_StatusTypeDef HAL_TSC_Start(TSC_HandleTypeDef* htsc) +{ + /* Check the parameters */ + assert_param(IS_TSC_ALL_INSTANCE(htsc->Instance)); + + /* Process locked */ + __HAL_LOCK(htsc); + + /* Change TSC state */ + htsc->State = HAL_TSC_STATE_BUSY; + + /* Clear interrupts */ + __HAL_TSC_DISABLE_IT(htsc, (TSC_IT_EOA | TSC_IT_MCE)); + + /* Clear flags */ + __HAL_TSC_CLEAR_FLAG(htsc, (TSC_FLAG_EOA | TSC_FLAG_MCE)); + + /* Stop discharging the IOs */ + __HAL_TSC_SET_IODEF_INFLOAT(htsc); + + /* Launch the acquisition */ + __HAL_TSC_START_ACQ(htsc); + + /* Process unlocked */ + __HAL_UNLOCK(htsc); + + /* Return function status */ + return HAL_OK; +} + +/** + * @brief Enables the interrupt and starts the acquisition + * @param htsc: pointer to a TSC_HandleTypeDef structure that contains + * the configuration information for the specified TSC. + * @retval HAL status. + */ +HAL_StatusTypeDef HAL_TSC_Start_IT(TSC_HandleTypeDef* htsc) +{ + /* Check the parameters */ + assert_param(IS_TSC_ALL_INSTANCE(htsc->Instance)); + assert_param(IS_TSC_MCE_IT(htsc->Init.MaxCountInterrupt)); + + /* Process locked */ + __HAL_LOCK(htsc); + + /* Change TSC state */ + htsc->State = HAL_TSC_STATE_BUSY; + + /* Enable end of acquisition interrupt */ + __HAL_TSC_ENABLE_IT(htsc, TSC_IT_EOA); + + /* Enable max count error interrupt (optional) */ + if (htsc->Init.MaxCountInterrupt == ENABLE) + { + __HAL_TSC_ENABLE_IT(htsc, TSC_IT_MCE); + } + else + { + __HAL_TSC_DISABLE_IT(htsc, TSC_IT_MCE); + } + + /* Clear flags */ + __HAL_TSC_CLEAR_FLAG(htsc, (TSC_FLAG_EOA | TSC_FLAG_MCE)); + + /* Stop discharging the IOs */ + __HAL_TSC_SET_IODEF_INFLOAT(htsc); + + /* Launch the acquisition */ + __HAL_TSC_START_ACQ(htsc); + + /* Process unlocked */ + __HAL_UNLOCK(htsc); + + /* Return function status */ + return HAL_OK; +} + +/** + * @brief Stops the acquisition previously launched in polling mode + * @param htsc: pointer to a TSC_HandleTypeDef structure that contains + * the configuration information for the specified TSC. + * @retval HAL status + */ +HAL_StatusTypeDef HAL_TSC_Stop(TSC_HandleTypeDef* htsc) +{ + /* Check the parameters */ + assert_param(IS_TSC_ALL_INSTANCE(htsc->Instance)); + + /* Process locked */ + __HAL_LOCK(htsc); + + /* Stop the acquisition */ + __HAL_TSC_STOP_ACQ(htsc); + + /* Clear flags */ + __HAL_TSC_CLEAR_FLAG(htsc, (TSC_FLAG_EOA | TSC_FLAG_MCE)); + + /* Change TSC state */ + htsc->State = HAL_TSC_STATE_READY; + + /* Process unlocked */ + __HAL_UNLOCK(htsc); + + /* Return function status */ + return HAL_OK; +} + +/** + * @brief Stops the acquisition previously launched in interrupt mode + * @param htsc: pointer to a TSC_HandleTypeDef structure that contains + * the configuration information for the specified TSC. + * @retval HAL status + */ +HAL_StatusTypeDef HAL_TSC_Stop_IT(TSC_HandleTypeDef* htsc) +{ + /* Check the parameters */ + assert_param(IS_TSC_ALL_INSTANCE(htsc->Instance)); + + /* Process locked */ + __HAL_LOCK(htsc); + + /* Stop the acquisition */ + __HAL_TSC_STOP_ACQ(htsc); + + /* Disable interrupts */ + __HAL_TSC_DISABLE_IT(htsc, (TSC_IT_EOA | TSC_IT_MCE)); + + /* Clear flags */ + __HAL_TSC_CLEAR_FLAG(htsc, (TSC_FLAG_EOA | TSC_FLAG_MCE)); + + /* Change TSC state */ + htsc->State = HAL_TSC_STATE_READY; + + /* Process unlocked */ + __HAL_UNLOCK(htsc); + + /* Return function status */ + return HAL_OK; +} + +/** + * @brief Gets the acquisition status for a group + * @param htsc: pointer to a TSC_HandleTypeDef structure that contains + * the configuration information for the specified TSC. + * @param gx_index: Index of the group + * @retval Group status + */ +TSC_GroupStatusTypeDef HAL_TSC_GroupGetStatus(TSC_HandleTypeDef* htsc, uint32_t gx_index) +{ + /* Check the parameters */ + assert_param(IS_TSC_ALL_INSTANCE(htsc->Instance)); + assert_param(IS_GROUP_INDEX(gx_index)); + + /* Return the group status */ + return(__HAL_TSC_GET_GROUP_STATUS(htsc, gx_index)); +} + +/** + * @brief Gets the acquisition measure for a group + * @param htsc: pointer to a TSC_HandleTypeDef structure that contains + * the configuration information for the specified TSC. + * @param gx_index: Index of the group + * @retval Acquisition measure + */ +uint32_t HAL_TSC_GroupGetValue(TSC_HandleTypeDef* htsc, uint32_t gx_index) +{ + /* Check the parameters */ + assert_param(IS_TSC_ALL_INSTANCE(htsc->Instance)); + assert_param(IS_GROUP_INDEX(gx_index)); + + /* Return the group acquisition counter */ + return htsc->Instance->IOGXCR[gx_index]; +} + +/** + * @} + */ + +/** @defgroup HAL_TSC_Group3 Peripheral Control functions + * @brief Peripheral Control functions + * +@verbatim + =============================================================================== + ##### Peripheral Control functions ##### + =============================================================================== + [..] This section provides functions allowing to: + (+) Configure TSC IOs + (+) Discharge TSC IOs +@endverbatim + * @{ + */ + +/** + * @brief Configures TSC IOs + * @param htsc: pointer to a TSC_HandleTypeDef structure that contains + * the configuration information for the specified TSC. + * @param config: pointer to the configuration structure. + * @retval HAL status + */ +HAL_StatusTypeDef HAL_TSC_IOConfig(TSC_HandleTypeDef* htsc, TSC_IOConfigTypeDef* config) +{ + /* Check the parameters */ + assert_param(IS_TSC_ALL_INSTANCE(htsc->Instance)); + + /* Process locked */ + __HAL_LOCK(htsc); + + /* Stop acquisition */ + __HAL_TSC_STOP_ACQ(htsc); + + /* Disable Schmitt trigger hysteresis on all used TSC IOs */ + htsc->Instance->IOHCR = (uint32_t)(~(config->ChannelIOs | config->ShieldIOs | config->SamplingIOs)); + + /* Set channel and shield IOs */ + htsc->Instance->IOCCR = (config->ChannelIOs | config->ShieldIOs); + + /* Set sampling IOs */ + htsc->Instance->IOSCR = config->SamplingIOs; + + /* Set groups to be acquired */ + htsc->Instance->IOGCSR = TSC_extract_groups(config->ChannelIOs); + + /* Process unlocked */ + __HAL_UNLOCK(htsc); + + /* Return function status */ + return HAL_OK; +} + +/** + * @brief Discharge TSC IOs + * @param htsc: pointer to a TSC_HandleTypeDef structure that contains + * the configuration information for the specified TSC. + * @param choice: enable or disable + * @retval HAL status + */ +HAL_StatusTypeDef HAL_TSC_IODischarge(TSC_HandleTypeDef* htsc, uint32_t choice) +{ + /* Check the parameters */ + assert_param(IS_TSC_ALL_INSTANCE(htsc->Instance)); + + /* Process locked */ + __HAL_LOCK(htsc); + + if (choice == ENABLE) + { + __HAL_TSC_SET_IODEF_OUTPPLOW(htsc); + } + else + { + __HAL_TSC_SET_IODEF_INFLOAT(htsc); + } + + /* Process unlocked */ + __HAL_UNLOCK(htsc); + + /* Return the group acquisition counter */ + return HAL_OK; +} + +/** + * @} + */ + +/** @defgroup HAL_TSC_Group4 State functions + * @brief State functions + * +@verbatim + =============================================================================== + ##### State functions ##### + =============================================================================== + [..] + This subsection provides functions allowing to + (+) Get TSC state. + (+) Poll for acquisition completed. + (+) Handles TSC interrupt request. + +@endverbatim + * @{ + */ + +/** + * @brief Return the TSC state + * @param htsc: pointer to a TSC_HandleTypeDef structure that contains + * the configuration information for the specified TSC. + * @retval HAL state + */ +HAL_TSC_StateTypeDef HAL_TSC_GetState(TSC_HandleTypeDef* htsc) +{ + /* Check the parameters */ + assert_param(IS_TSC_ALL_INSTANCE(htsc->Instance)); + + if (htsc->State == HAL_TSC_STATE_BUSY) + { + /* Check end of acquisition flag */ + if (__HAL_TSC_GET_FLAG(htsc, TSC_FLAG_EOA) != RESET) + { + /* Check max count error flag */ + if (__HAL_TSC_GET_FLAG(htsc, TSC_FLAG_MCE) != RESET) + { + /* Change TSC state */ + htsc->State = HAL_TSC_STATE_ERROR; + } + else + { + /* Change TSC state */ + htsc->State = HAL_TSC_STATE_READY; + } + } + } + + /* Return TSC state */ + return htsc->State; +} + +/** + * @brief Start acquisition and wait until completion + * @note There is no need of a timeout parameter as the max count error is already + * managed by the TSC peripheral. + * @param htsc: pointer to a TSC_HandleTypeDef structure that contains + * the configuration information for the specified TSC. + * @retval HAL state + */ +HAL_StatusTypeDef HAL_TSC_PollForAcquisition(TSC_HandleTypeDef* htsc) +{ + /* Check the parameters */ + assert_param(IS_TSC_ALL_INSTANCE(htsc->Instance)); + + /* Process locked */ + __HAL_LOCK(htsc); + + /* Check end of acquisition */ + while (HAL_TSC_GetState(htsc) == HAL_TSC_STATE_BUSY) + { + /* The timeout (max count error) is managed by the TSC peripheral itself. */ + } + + /* Process unlocked */ + __HAL_UNLOCK(htsc); + + return HAL_OK; +} + +/** + * @brief Handles TSC interrupt request + * @param htsc: pointer to a TSC_HandleTypeDef structure that contains + * the configuration information for the specified TSC. + * @retval None + */ +void HAL_TSC_IRQHandler(TSC_HandleTypeDef* htsc) +{ + /* Check the parameters */ + assert_param(IS_TSC_ALL_INSTANCE(htsc->Instance)); + + /* Check if the end of acquisition occured */ + if (__HAL_TSC_GET_FLAG(htsc, TSC_FLAG_EOA) != RESET) + { + /* Clear EOA flag */ + __HAL_TSC_CLEAR_FLAG(htsc, TSC_FLAG_EOA); + } + + /* Check if max count error occured */ + if (__HAL_TSC_GET_FLAG(htsc, TSC_FLAG_MCE) != RESET) + { + /* Clear MCE flag */ + __HAL_TSC_CLEAR_FLAG(htsc, TSC_FLAG_MCE); + /* Change TSC state */ + htsc->State = HAL_TSC_STATE_ERROR; + /* Conversion completed callback */ + HAL_TSC_ErrorCallback(htsc); + } + else + { + /* Change TSC state */ + htsc->State = HAL_TSC_STATE_READY; + /* Conversion completed callback */ + HAL_TSC_ConvCpltCallback(htsc); + } +} + +/** + * @} + */ + +/** + * @brief Acquisition completed callback in non blocking mode + * @param htsc: pointer to a TSC_HandleTypeDef structure that contains + * the configuration information for the specified TSC. + * @retval None + */ +__weak void HAL_TSC_ConvCpltCallback(TSC_HandleTypeDef* htsc) +{ + /* NOTE : This function should not be modified, when the callback is needed, + the HAL_TSC_ConvCpltCallback could be implemented in the user file. + */ +} + +/** + * @brief Error callback in non blocking mode + * @param htsc: pointer to a TSC_HandleTypeDef structure that contains + * the configuration information for the specified TSC. + * @retval None + */ +__weak void HAL_TSC_ErrorCallback(TSC_HandleTypeDef* htsc) +{ + /* NOTE : This function should not be modified, when the callback is needed, + the HAL_TSC_ErrorCallback could be implemented in the user file. + */ +} + +/** + * @brief Utility function used to set the acquired groups mask + * @param iomask: Channels IOs mask + * @retval Acquired groups mask + */ +static uint32_t TSC_extract_groups(uint32_t iomask) +{ + uint32_t groups = 0; + uint32_t idx; + + for (idx = 0; idx < TSC_NB_OF_GROUPS; idx++) + { + if ((iomask & ((uint32_t)0x0F << (idx * 4))) != RESET) + { + groups |= ((uint32_t)1 << idx); + } + } + + return groups; +} + +/** + * @} + */ + + +/** + * @} + */ + +/** + * @} + */ +#endif /* HAL_TSC_MODULE_ENABLED */ +#endif /* #if !defined (STM32L031xx) && !defined (STM32L041xx) && !defined (STM32L051xx) && !defined (STM32L061xx) && !defined (STM32L071xx) && !defined (STM32L081xx) */ + +/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ + |