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mbed library sources. Supersedes mbed-src.

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targets/cmsis/TARGET_STM/TARGET_STM32L0/stm32l0xx_hal_tsc.c@144:ef7eb2e8f9f7, 2016-09-02 (annotated)

Committer:
<>
Date:
Fri Sep 02 15:07:44 2016 +0100
Revision:
144:ef7eb2e8f9f7
Parent:
113:b3775bf36a83 
This updates the lib to the mbed lib v125

Who changed what in which revision?

UserRevisionLine numberNew contents of line
<> 144:ef7eb2e8f9f7 1 /**
<> 144:ef7eb2e8f9f7 2 ******************************************************************************
<> 144:ef7eb2e8f9f7 3 * @file stm32l0xx_hal_tsc.c
<> 144:ef7eb2e8f9f7 4 * @author MCD Application Team
<> 144:ef7eb2e8f9f7 5 * @version V1.5.0
<> 144:ef7eb2e8f9f7 6 * @date 8-January-2016
<> 144:ef7eb2e8f9f7 7 * @brief This file provides firmware functions to manage the following
<> 144:ef7eb2e8f9f7 8 * functionalities of the Touch Sensing Controller (TSC) peripheral:
<> 144:ef7eb2e8f9f7 9 * + Initialization and DeInitialization
<> 144:ef7eb2e8f9f7 10 * + Channel IOs, Shield IOs and Sampling IOs configuration
<> 144:ef7eb2e8f9f7 11 * + Start and Stop an acquisition
<> 144:ef7eb2e8f9f7 12 * + Read acquisition result
<> 144:ef7eb2e8f9f7 13 * + Interrupts and flags management
<> 144:ef7eb2e8f9f7 14 *
<> 144:ef7eb2e8f9f7 15 @verbatim
<> 144:ef7eb2e8f9f7 16 ================================================================================
<> 144:ef7eb2e8f9f7 17 ##### TSC specific features #####
<> 144:ef7eb2e8f9f7 18 ================================================================================
<> 144:ef7eb2e8f9f7 19 [..]
<> 144:ef7eb2e8f9f7 20 (#) Proven and robust surface charge transfer acquisition principle
<> 144:ef7eb2e8f9f7 21
<> 144:ef7eb2e8f9f7 22 (#) Supports up to 3 capacitive sensing channels per group
<> 144:ef7eb2e8f9f7 23
<> 144:ef7eb2e8f9f7 24 (#) Capacitive sensing channels can be acquired in parallel offering a very good
<> 144:ef7eb2e8f9f7 25 response time
<> 144:ef7eb2e8f9f7 26
<> 144:ef7eb2e8f9f7 27 (#) Spread spectrum feature to improve system robustness in noisy environments
<> 144:ef7eb2e8f9f7 28
<> 144:ef7eb2e8f9f7 29 (#) Full hardware management of the charge transfer acquisition sequence
<> 144:ef7eb2e8f9f7 30
<> 144:ef7eb2e8f9f7 31 (#) Programmable charge transfer frequency
<> 144:ef7eb2e8f9f7 32
<> 144:ef7eb2e8f9f7 33 (#) Programmable sampling capacitor I/O pin
<> 144:ef7eb2e8f9f7 34
<> 144:ef7eb2e8f9f7 35 (#) Programmable channel I/O pin
<> 144:ef7eb2e8f9f7 36
<> 144:ef7eb2e8f9f7 37 (#) Programmable max count value to avoid long acquisition when a channel is faulty
<> 144:ef7eb2e8f9f7 38
<> 144:ef7eb2e8f9f7 39 (#) Dedicated end of acquisition and max count error flags with interrupt capability
<> 144:ef7eb2e8f9f7 40
<> 144:ef7eb2e8f9f7 41 (#) One sampling capacitor for up to 3 capacitive sensing channels to reduce the system
<> 144:ef7eb2e8f9f7 42 components
<> 144:ef7eb2e8f9f7 43
<> 144:ef7eb2e8f9f7 44 (#) Compatible with proximity, touchkey, linear and rotary touch sensor implementation
<> 144:ef7eb2e8f9f7 45
<> 144:ef7eb2e8f9f7 46
<> 144:ef7eb2e8f9f7 47 ##### How to use this driver #####
<> 144:ef7eb2e8f9f7 48 ================================================================================
<> 144:ef7eb2e8f9f7 49 [..]
<> 144:ef7eb2e8f9f7 50 (#) Enable the TSC interface clock using __HAL_RCC_TSC_CLK_ENABLE() macro.
<> 144:ef7eb2e8f9f7 51
<> 144:ef7eb2e8f9f7 52 (#) GPIO pins configuration
<> 144:ef7eb2e8f9f7 53 (++) Enable the clock for the TSC GPIOs using __HAL_RCC_GPIOx_CLK_ENABLE() macro.
<> 144:ef7eb2e8f9f7 54 (++) Configure the TSC pins used as sampling IOs in alternate function output Open-Drain mode,
<> 144:ef7eb2e8f9f7 55 and TSC pins used as channel/shield IOs in alternate function output Push-Pull mode
<> 144:ef7eb2e8f9f7 56 using HAL_GPIO_Init() function.
<> 144:ef7eb2e8f9f7 57 (++) Configure the alternate function on all the TSC pins using HAL_xxxx() function.
<> 144:ef7eb2e8f9f7 58
<> 144:ef7eb2e8f9f7 59 (#) Interrupts configuration
<> 144:ef7eb2e8f9f7 60 (++) Configure the NVIC (if the interrupt model is used) using HAL_xxx() function.
<> 144:ef7eb2e8f9f7 61
<> 144:ef7eb2e8f9f7 62 (#) TSC configuration
<> 144:ef7eb2e8f9f7 63 (++) Configure all TSC parameters and used TSC IOs using HAL_TSC_Init() function.
<> 144:ef7eb2e8f9f7 64
<> 144:ef7eb2e8f9f7 65 *** Acquisition sequence ***
<> 144:ef7eb2e8f9f7 66 ===================================
<> 144:ef7eb2e8f9f7 67 [..]
<> 144:ef7eb2e8f9f7 68 (+) Discharge all IOs using HAL_TSC_IODischarge() function.
<> 144:ef7eb2e8f9f7 69 (+) Wait a certain time allowing a good discharge of all capacitors. This delay depends
<> 144:ef7eb2e8f9f7 70 of the sampling capacitor and electrodes design.
<> 144:ef7eb2e8f9f7 71 (+) Select the channel IOs to be acquired using HAL_TSC_IOConfig() function.
<> 144:ef7eb2e8f9f7 72 (+) Launch the acquisition using either HAL_TSC_Start() or HAL_TSC_Start_IT() function.
<> 144:ef7eb2e8f9f7 73 If the synchronized mode is selected, the acquisition will start as soon as the signal
<> 144:ef7eb2e8f9f7 74 is received on the synchro pin.
<> 144:ef7eb2e8f9f7 75 (+) Wait the end of acquisition using either HAL_TSC_PollForAcquisition() or
<> 144:ef7eb2e8f9f7 76 HAL_TSC_GetState() function or using WFI instruction for example.
<> 144:ef7eb2e8f9f7 77 (+) Check the group acquisition status using HAL_TSC_GroupGetStatus() function.
<> 144:ef7eb2e8f9f7 78 (+) Read the acquisition value using HAL_TSC_GroupGetValue() function.
<> 144:ef7eb2e8f9f7 79
<> 144:ef7eb2e8f9f7 80 @endverbatim
<> 144:ef7eb2e8f9f7 81 ******************************************************************************
<> 144:ef7eb2e8f9f7 82 * @attention
<> 144:ef7eb2e8f9f7 83 *
<> 144:ef7eb2e8f9f7 84 * <h2><center>&copy; COPYRIGHT(c) 2016 STMicroelectronics</center></h2>
<> 144:ef7eb2e8f9f7 85 *
<> 144:ef7eb2e8f9f7 86 * Redistribution and use in source and binary forms, with or without modification,
<> 144:ef7eb2e8f9f7 87 * are permitted provided that the following conditions are met:
<> 144:ef7eb2e8f9f7 88 * 1. Redistributions of source code must retain the above copyright notice,
<> 144:ef7eb2e8f9f7 89 * this list of conditions and the following disclaimer.
<> 144:ef7eb2e8f9f7 90 * 2. Redistributions in binary form must reproduce the above copyright notice,
<> 144:ef7eb2e8f9f7 91 * this list of conditions and the following disclaimer in the documentation
<> 144:ef7eb2e8f9f7 92 * and/or other materials provided with the distribution.
<> 144:ef7eb2e8f9f7 93 * 3. Neither the name of STMicroelectronics nor the names of its contributors
<> 144:ef7eb2e8f9f7 94 * may be used to endorse or promote products derived from this software
<> 144:ef7eb2e8f9f7 95 * without specific prior written permission.
<> 144:ef7eb2e8f9f7 96 *
<> 144:ef7eb2e8f9f7 97 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
<> 144:ef7eb2e8f9f7 98 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
<> 144:ef7eb2e8f9f7 99 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
<> 144:ef7eb2e8f9f7 100 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
<> 144:ef7eb2e8f9f7 101 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
<> 144:ef7eb2e8f9f7 102 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
<> 144:ef7eb2e8f9f7 103 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
<> 144:ef7eb2e8f9f7 104 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
<> 144:ef7eb2e8f9f7 105 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
<> 144:ef7eb2e8f9f7 106 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
<> 144:ef7eb2e8f9f7 107 *
<> 144:ef7eb2e8f9f7 108 ******************************************************************************
<> 144:ef7eb2e8f9f7 109 */
<> 144:ef7eb2e8f9f7 110
<> 144:ef7eb2e8f9f7 111 /* Includes ------------------------------------------------------------------*/
<> 144:ef7eb2e8f9f7 112 #if !defined(STM32L011xx) && !defined(STM32L021xx) && !defined (STM32L031xx) && !defined (STM32L041xx) && !defined (STM32L051xx) && !defined (STM32L061xx) && !defined (STM32L071xx) && !defined (STM32L081xx)
<> 144:ef7eb2e8f9f7 113 #include "stm32l0xx_hal.h"
<> 144:ef7eb2e8f9f7 114
<> 144:ef7eb2e8f9f7 115 #ifdef HAL_TSC_MODULE_ENABLED
<> 144:ef7eb2e8f9f7 116 /** @addtogroup STM32L0xx_HAL_Driver
<> 144:ef7eb2e8f9f7 117 * @{
<> 144:ef7eb2e8f9f7 118 */
<> 144:ef7eb2e8f9f7 119
<> 144:ef7eb2e8f9f7 120 /** @addtogroup TSC
<> 144:ef7eb2e8f9f7 121 * @brief HAL TSC module driver
<> 144:ef7eb2e8f9f7 122 * @{
<> 144:ef7eb2e8f9f7 123 */
<> 144:ef7eb2e8f9f7 124
<> 144:ef7eb2e8f9f7 125 /** @addtogroup TSC_Private TSC Private
<> 144:ef7eb2e8f9f7 126 * @{
<> 144:ef7eb2e8f9f7 127 */
<> 144:ef7eb2e8f9f7 128 /* Private typedef -----------------------------------------------------------*/
<> 144:ef7eb2e8f9f7 129 /* Private define ------------------------------------------------------------*/
<> 144:ef7eb2e8f9f7 130 /* Private macro -------------------------------------------------------------*/
<> 144:ef7eb2e8f9f7 131 /* Private variables ---------------------------------------------------------*/
<> 144:ef7eb2e8f9f7 132 /* Private function prototypes -----------------------------------------------*/
<> 144:ef7eb2e8f9f7 133
<> 144:ef7eb2e8f9f7 134 static uint32_t TSC_extract_groups(uint32_t iomask);
<> 144:ef7eb2e8f9f7 135 /* Private functions ---------------------------------------------------------*/
<> 144:ef7eb2e8f9f7 136 /**
<> 144:ef7eb2e8f9f7 137 * @}
<> 144:ef7eb2e8f9f7 138 */
<> 144:ef7eb2e8f9f7 139 /** @addtogroup TSC_Exported_Functions TSC Exported Functions
<> 144:ef7eb2e8f9f7 140 * @{
<> 144:ef7eb2e8f9f7 141 */
<> 144:ef7eb2e8f9f7 142
<> 144:ef7eb2e8f9f7 143 /** @addtogroup HAL_TSC_Exported_Functions_Group1
<> 144:ef7eb2e8f9f7 144 * @brief Initialization and Configuration functions
<> 144:ef7eb2e8f9f7 145 *
<> 144:ef7eb2e8f9f7 146 @verbatim
<> 144:ef7eb2e8f9f7 147 ===============================================================================
<> 144:ef7eb2e8f9f7 148 ##### Initialization and de-initialization functions #####
<> 144:ef7eb2e8f9f7 149 ===============================================================================
<> 144:ef7eb2e8f9f7 150 [..] This section provides functions allowing to:
<> 144:ef7eb2e8f9f7 151 (+) Initialize and configure the TSC.
<> 144:ef7eb2e8f9f7 152 (+) De-initialize the TSC.
<> 144:ef7eb2e8f9f7 153 @endverbatim
<> 144:ef7eb2e8f9f7 154 * @{
<> 144:ef7eb2e8f9f7 155 */
<> 144:ef7eb2e8f9f7 156
<> 144:ef7eb2e8f9f7 157 /**
<> 144:ef7eb2e8f9f7 158 * @brief Initializes the TSC peripheral according to the specified parameters
<> 144:ef7eb2e8f9f7 159 * in the TSC_InitTypeDef structure.
<> 144:ef7eb2e8f9f7 160 * @param htsc: TSC handle
<> 144:ef7eb2e8f9f7 161 * @retval HAL status
<> 144:ef7eb2e8f9f7 162 */
<> 144:ef7eb2e8f9f7 163 HAL_StatusTypeDef HAL_TSC_Init(TSC_HandleTypeDef* htsc)
<> 144:ef7eb2e8f9f7 164 {
<> 144:ef7eb2e8f9f7 165 /* Check TSC handle allocation */
<> 144:ef7eb2e8f9f7 166 if (htsc == NULL)
<> 144:ef7eb2e8f9f7 167 {
<> 144:ef7eb2e8f9f7 168 return HAL_ERROR;
<> 144:ef7eb2e8f9f7 169 }
<> 144:ef7eb2e8f9f7 170
<> 144:ef7eb2e8f9f7 171 /* Check the parameters */
<> 144:ef7eb2e8f9f7 172 assert_param(IS_TSC_ALL_INSTANCE(htsc->Instance));
<> 144:ef7eb2e8f9f7 173 assert_param(IS_TSC_CTPH(htsc->Init.CTPulseHighLength));
<> 144:ef7eb2e8f9f7 174 assert_param(IS_TSC_CTPL(htsc->Init.CTPulseLowLength));
<> 144:ef7eb2e8f9f7 175 assert_param(IS_TSC_SS(htsc->Init.SpreadSpectrum));
<> 144:ef7eb2e8f9f7 176 assert_param(IS_TSC_SSD(htsc->Init.SpreadSpectrumDeviation));
<> 144:ef7eb2e8f9f7 177 assert_param(IS_TSC_SS_PRESC(htsc->Init.SpreadSpectrumPrescaler));
<> 144:ef7eb2e8f9f7 178 assert_param(IS_TSC_PG_PRESC(htsc->Init.PulseGeneratorPrescaler));
<> 144:ef7eb2e8f9f7 179 assert_param(IS_TSC_MCV(htsc->Init.MaxCountValue));
<> 144:ef7eb2e8f9f7 180 assert_param(IS_TSC_IODEF(htsc->Init.IODefaultMode));
<> 144:ef7eb2e8f9f7 181 assert_param(IS_TSC_SYNC_POL(htsc->Init.SynchroPinPolarity));
<> 144:ef7eb2e8f9f7 182 assert_param(IS_TSC_ACQ_MODE(htsc->Init.AcquisitionMode));
<> 144:ef7eb2e8f9f7 183 assert_param(IS_TSC_MCE_IT(htsc->Init.MaxCountInterrupt));
<> 144:ef7eb2e8f9f7 184
<> 144:ef7eb2e8f9f7 185 if(htsc->State == HAL_TSC_STATE_RESET)
<> 144:ef7eb2e8f9f7 186 {
<> 144:ef7eb2e8f9f7 187 /* Allocate lock resource and initialize it */
<> 144:ef7eb2e8f9f7 188 htsc->Lock = HAL_UNLOCKED;
<> 144:ef7eb2e8f9f7 189 }
<> 144:ef7eb2e8f9f7 190
<> 144:ef7eb2e8f9f7 191 /* Initialize the TSC state */
<> 144:ef7eb2e8f9f7 192 htsc->State = HAL_TSC_STATE_BUSY;
<> 144:ef7eb2e8f9f7 193
<> 144:ef7eb2e8f9f7 194 /* Init the low level hardware : GPIO, CLOCK, CORTEX */
<> 144:ef7eb2e8f9f7 195 HAL_TSC_MspInit(htsc);
<> 144:ef7eb2e8f9f7 196
<> 144:ef7eb2e8f9f7 197 /*--------------------------------------------------------------------------*/
<> 144:ef7eb2e8f9f7 198 /* Set TSC parameters */
<> 144:ef7eb2e8f9f7 199
<> 144:ef7eb2e8f9f7 200 /* Enable TSC */
<> 144:ef7eb2e8f9f7 201 htsc->Instance->CR = TSC_CR_TSCE;
<> 144:ef7eb2e8f9f7 202
<> 144:ef7eb2e8f9f7 203 /* Set all functions */
<> 144:ef7eb2e8f9f7 204 htsc->Instance->CR |= (htsc->Init.CTPulseHighLength |
<> 144:ef7eb2e8f9f7 205 htsc->Init.CTPulseLowLength |
<> 144:ef7eb2e8f9f7 206 (uint32_t)(htsc->Init.SpreadSpectrumDeviation << 17) |
<> 144:ef7eb2e8f9f7 207 htsc->Init.SpreadSpectrumPrescaler |
<> 144:ef7eb2e8f9f7 208 htsc->Init.PulseGeneratorPrescaler |
<> 144:ef7eb2e8f9f7 209 htsc->Init.MaxCountValue |
<> 144:ef7eb2e8f9f7 210 htsc->Init.SynchroPinPolarity |
<> 144:ef7eb2e8f9f7 211 htsc->Init.AcquisitionMode);
<> 144:ef7eb2e8f9f7 212
<> 144:ef7eb2e8f9f7 213 /* Spread spectrum */
<> 144:ef7eb2e8f9f7 214 if (htsc->Init.SpreadSpectrum == ENABLE)
<> 144:ef7eb2e8f9f7 215 {
<> 144:ef7eb2e8f9f7 216 htsc->Instance->CR |= TSC_CR_SSE;
<> 144:ef7eb2e8f9f7 217 }
<> 144:ef7eb2e8f9f7 218
<> 144:ef7eb2e8f9f7 219 /* Disable Schmitt trigger hysteresis on all used TSC IOs */
<> 144:ef7eb2e8f9f7 220 htsc->Instance->IOHCR = (uint32_t)(~(htsc->Init.ChannelIOs | htsc->Init.ShieldIOs | htsc->Init.SamplingIOs));
<> 144:ef7eb2e8f9f7 221
<> 144:ef7eb2e8f9f7 222 /* Set channel and shield IOs */
<> 144:ef7eb2e8f9f7 223 htsc->Instance->IOCCR = (htsc->Init.ChannelIOs | htsc->Init.ShieldIOs);
<> 144:ef7eb2e8f9f7 224
<> 144:ef7eb2e8f9f7 225 /* Set sampling IOs */
<> 144:ef7eb2e8f9f7 226 htsc->Instance->IOSCR = htsc->Init.SamplingIOs;
<> 144:ef7eb2e8f9f7 227
<> 144:ef7eb2e8f9f7 228 /* Set the groups to be acquired */
<> 144:ef7eb2e8f9f7 229 htsc->Instance->IOGCSR = TSC_extract_groups(htsc->Init.ChannelIOs);
<> 144:ef7eb2e8f9f7 230
<> 144:ef7eb2e8f9f7 231 /* Clear interrupts */
<> 144:ef7eb2e8f9f7 232 htsc->Instance->IER &= (uint32_t)(~(TSC_IT_EOA | TSC_IT_MCE));
<> 144:ef7eb2e8f9f7 233
<> 144:ef7eb2e8f9f7 234 /* Clear flags */
<> 144:ef7eb2e8f9f7 235 htsc->Instance->ICR = (TSC_FLAG_EOA | TSC_FLAG_MCE);
<> 144:ef7eb2e8f9f7 236
<> 144:ef7eb2e8f9f7 237 /*--------------------------------------------------------------------------*/
<> 144:ef7eb2e8f9f7 238
<> 144:ef7eb2e8f9f7 239 /* Initialize the TSC state */
<> 144:ef7eb2e8f9f7 240 htsc->State = HAL_TSC_STATE_READY;
<> 144:ef7eb2e8f9f7 241
<> 144:ef7eb2e8f9f7 242 /* Return function status */
<> 144:ef7eb2e8f9f7 243 return HAL_OK;
<> 144:ef7eb2e8f9f7 244 }
<> 144:ef7eb2e8f9f7 245
<> 144:ef7eb2e8f9f7 246 /**
<> 144:ef7eb2e8f9f7 247 * @brief Deinitializes the TSC peripheral registers to their default reset values.
<> 144:ef7eb2e8f9f7 248 * @param htsc: TSC handle
<> 144:ef7eb2e8f9f7 249 * @retval HAL status
<> 144:ef7eb2e8f9f7 250 */
<> 144:ef7eb2e8f9f7 251 HAL_StatusTypeDef HAL_TSC_DeInit(TSC_HandleTypeDef* htsc)
<> 144:ef7eb2e8f9f7 252 {
<> 144:ef7eb2e8f9f7 253 /* Check TSC handle allocation */
<> 144:ef7eb2e8f9f7 254 if (htsc == NULL)
<> 144:ef7eb2e8f9f7 255 {
<> 144:ef7eb2e8f9f7 256 return HAL_ERROR;
<> 144:ef7eb2e8f9f7 257 }
<> 144:ef7eb2e8f9f7 258
<> 144:ef7eb2e8f9f7 259 /* Check the parameters */
<> 144:ef7eb2e8f9f7 260 assert_param(IS_TSC_ALL_INSTANCE(htsc->Instance));
<> 144:ef7eb2e8f9f7 261
<> 144:ef7eb2e8f9f7 262 /* Change TSC state */
<> 144:ef7eb2e8f9f7 263 htsc->State = HAL_TSC_STATE_BUSY;
<> 144:ef7eb2e8f9f7 264
<> 144:ef7eb2e8f9f7 265 /* DeInit the low level hardware */
<> 144:ef7eb2e8f9f7 266 HAL_TSC_MspDeInit(htsc);
<> 144:ef7eb2e8f9f7 267
<> 144:ef7eb2e8f9f7 268 /* Change TSC state */
<> 144:ef7eb2e8f9f7 269 htsc->State = HAL_TSC_STATE_RESET;
<> 144:ef7eb2e8f9f7 270
<> 144:ef7eb2e8f9f7 271 /* Process unlocked */
<> 144:ef7eb2e8f9f7 272 __HAL_UNLOCK(htsc);
<> 144:ef7eb2e8f9f7 273
<> 144:ef7eb2e8f9f7 274 /* Return function status */
<> 144:ef7eb2e8f9f7 275 return HAL_OK;
<> 144:ef7eb2e8f9f7 276 }
<> 144:ef7eb2e8f9f7 277
<> 144:ef7eb2e8f9f7 278 /**
<> 144:ef7eb2e8f9f7 279 * @brief Initializes the TSC MSP.
<> 144:ef7eb2e8f9f7 280 * @param htsc: pointer to a TSC_HandleTypeDef structure that contains
<> 144:ef7eb2e8f9f7 281 * the configuration information for the specified TSC.
<> 144:ef7eb2e8f9f7 282 * @retval None
<> 144:ef7eb2e8f9f7 283 */
<> 144:ef7eb2e8f9f7 284 __weak void HAL_TSC_MspInit(TSC_HandleTypeDef* htsc)
<> 144:ef7eb2e8f9f7 285 {
<> 144:ef7eb2e8f9f7 286 /* Prevent unused argument(s) compilation warning */
<> 144:ef7eb2e8f9f7 287 UNUSED(htsc);
<> 144:ef7eb2e8f9f7 288
<> 144:ef7eb2e8f9f7 289 /* NOTE : This function should not be modified, when the callback is needed,
<> 144:ef7eb2e8f9f7 290 the HAL_TSC_MspInit could be implemented in the user file.
<> 144:ef7eb2e8f9f7 291 */
<> 144:ef7eb2e8f9f7 292 }
<> 144:ef7eb2e8f9f7 293
<> 144:ef7eb2e8f9f7 294 /**
<> 144:ef7eb2e8f9f7 295 * @brief DeInitializes the TSC MSP.
<> 144:ef7eb2e8f9f7 296 * @param htsc: pointer to a TSC_HandleTypeDef structure that contains
<> 144:ef7eb2e8f9f7 297 * the configuration information for the specified TSC.
<> 144:ef7eb2e8f9f7 298 * @retval None
<> 144:ef7eb2e8f9f7 299 */
<> 144:ef7eb2e8f9f7 300 __weak void HAL_TSC_MspDeInit(TSC_HandleTypeDef* htsc)
<> 144:ef7eb2e8f9f7 301 {
<> 144:ef7eb2e8f9f7 302 /* Prevent unused argument(s) compilation warning */
<> 144:ef7eb2e8f9f7 303 UNUSED(htsc);
<> 144:ef7eb2e8f9f7 304
<> 144:ef7eb2e8f9f7 305 /* NOTE : This function should not be modified, when the callback is needed,
<> 144:ef7eb2e8f9f7 306 the HAL_TSC_MspDeInit could be implemented in the user file.
<> 144:ef7eb2e8f9f7 307 */
<> 144:ef7eb2e8f9f7 308 }
<> 144:ef7eb2e8f9f7 309
<> 144:ef7eb2e8f9f7 310 /**
<> 144:ef7eb2e8f9f7 311 * @}
<> 144:ef7eb2e8f9f7 312 */
<> 144:ef7eb2e8f9f7 313
<> 144:ef7eb2e8f9f7 314 /** @addtogroup HAL_TSC_Exported_Functions_Group2
<> 144:ef7eb2e8f9f7 315 * @brief IO operation functions
<> 144:ef7eb2e8f9f7 316 *
<> 144:ef7eb2e8f9f7 317 @verbatim
<> 144:ef7eb2e8f9f7 318 ===============================================================================
<> 144:ef7eb2e8f9f7 319 ##### IO Operation functions #####
<> 144:ef7eb2e8f9f7 320 ===============================================================================
<> 144:ef7eb2e8f9f7 321 [..] This section provides functions allowing to:
<> 144:ef7eb2e8f9f7 322 (+) Start acquisition in polling mode.
<> 144:ef7eb2e8f9f7 323 (+) Start acquisition in interrupt mode.
<> 144:ef7eb2e8f9f7 324 (+) Stop conversion in polling mode.
<> 144:ef7eb2e8f9f7 325 (+) Stop conversion in interrupt mode.
<> 144:ef7eb2e8f9f7 326 (+) Get group acquisition status.
<> 144:ef7eb2e8f9f7 327 (+) Get group acquisition value.
<> 144:ef7eb2e8f9f7 328 @endverbatim
<> 144:ef7eb2e8f9f7 329 * @{
<> 144:ef7eb2e8f9f7 330 */
<> 144:ef7eb2e8f9f7 331
<> 144:ef7eb2e8f9f7 332 /**
<> 144:ef7eb2e8f9f7 333 * @brief Starts the acquisition.
<> 144:ef7eb2e8f9f7 334 * @param htsc: pointer to a TSC_HandleTypeDef structure that contains
<> 144:ef7eb2e8f9f7 335 * the configuration information for the specified TSC.
<> 144:ef7eb2e8f9f7 336 * @retval HAL status
<> 144:ef7eb2e8f9f7 337 */
<> 144:ef7eb2e8f9f7 338 HAL_StatusTypeDef HAL_TSC_Start(TSC_HandleTypeDef* htsc)
<> 144:ef7eb2e8f9f7 339 {
<> 144:ef7eb2e8f9f7 340 /* Check the parameters */
<> 144:ef7eb2e8f9f7 341 assert_param(IS_TSC_ALL_INSTANCE(htsc->Instance));
<> 144:ef7eb2e8f9f7 342
<> 144:ef7eb2e8f9f7 343 /* Process locked */
<> 144:ef7eb2e8f9f7 344 __HAL_LOCK(htsc);
<> 144:ef7eb2e8f9f7 345
<> 144:ef7eb2e8f9f7 346 /* Change TSC state */
<> 144:ef7eb2e8f9f7 347 htsc->State = HAL_TSC_STATE_BUSY;
<> 144:ef7eb2e8f9f7 348
<> 144:ef7eb2e8f9f7 349 /* Clear interrupts */
<> 144:ef7eb2e8f9f7 350 __HAL_TSC_DISABLE_IT(htsc, (TSC_IT_EOA | TSC_IT_MCE));
<> 144:ef7eb2e8f9f7 351
<> 144:ef7eb2e8f9f7 352 /* Clear flags */
<> 144:ef7eb2e8f9f7 353 __HAL_TSC_CLEAR_FLAG(htsc, (TSC_FLAG_EOA | TSC_FLAG_MCE));
<> 144:ef7eb2e8f9f7 354
<> 144:ef7eb2e8f9f7 355 /* Set touch sensing IOs not acquired to the specified IODefaultMode */
<> 144:ef7eb2e8f9f7 356 if (htsc->Init.IODefaultMode == TSC_IODEF_OUT_PP_LOW)
<> 144:ef7eb2e8f9f7 357 {
<> 144:ef7eb2e8f9f7 358 __HAL_TSC_SET_IODEF_OUTPPLOW(htsc);
<> 144:ef7eb2e8f9f7 359 }
<> 144:ef7eb2e8f9f7 360 else
<> 144:ef7eb2e8f9f7 361 {
<> 144:ef7eb2e8f9f7 362 __HAL_TSC_SET_IODEF_INFLOAT(htsc);
<> 144:ef7eb2e8f9f7 363 }
<> 144:ef7eb2e8f9f7 364
<> 144:ef7eb2e8f9f7 365 /* Launch the acquisition */
<> 144:ef7eb2e8f9f7 366 __HAL_TSC_START_ACQ(htsc);
<> 144:ef7eb2e8f9f7 367
<> 144:ef7eb2e8f9f7 368 /* Process unlocked */
<> 144:ef7eb2e8f9f7 369 __HAL_UNLOCK(htsc);
<> 144:ef7eb2e8f9f7 370
<> 144:ef7eb2e8f9f7 371 /* Return function status */
<> 144:ef7eb2e8f9f7 372 return HAL_OK;
<> 144:ef7eb2e8f9f7 373 }
<> 144:ef7eb2e8f9f7 374
<> 144:ef7eb2e8f9f7 375 /**
<> 144:ef7eb2e8f9f7 376 * @brief Enables the interrupt and starts the acquisition
<> 144:ef7eb2e8f9f7 377 * @param htsc: pointer to a TSC_HandleTypeDef structure that contains
<> 144:ef7eb2e8f9f7 378 * the configuration information for the specified TSC.
<> 144:ef7eb2e8f9f7 379 * @retval HAL status.
<> 144:ef7eb2e8f9f7 380 */
<> 144:ef7eb2e8f9f7 381 HAL_StatusTypeDef HAL_TSC_Start_IT(TSC_HandleTypeDef* htsc)
<> 144:ef7eb2e8f9f7 382 {
<> 144:ef7eb2e8f9f7 383 /* Check the parameters */
<> 144:ef7eb2e8f9f7 384 assert_param(IS_TSC_ALL_INSTANCE(htsc->Instance));
<> 144:ef7eb2e8f9f7 385 assert_param(IS_TSC_MCE_IT(htsc->Init.MaxCountInterrupt));
<> 144:ef7eb2e8f9f7 386
<> 144:ef7eb2e8f9f7 387 /* Process locked */
<> 144:ef7eb2e8f9f7 388 __HAL_LOCK(htsc);
<> 144:ef7eb2e8f9f7 389
<> 144:ef7eb2e8f9f7 390 /* Change TSC state */
<> 144:ef7eb2e8f9f7 391 htsc->State = HAL_TSC_STATE_BUSY;
<> 144:ef7eb2e8f9f7 392
<> 144:ef7eb2e8f9f7 393 /* Enable end of acquisition interrupt */
<> 144:ef7eb2e8f9f7 394 __HAL_TSC_ENABLE_IT(htsc, TSC_IT_EOA);
<> 144:ef7eb2e8f9f7 395
<> 144:ef7eb2e8f9f7 396 /* Enable max count error interrupt (optional) */
<> 144:ef7eb2e8f9f7 397 if (htsc->Init.MaxCountInterrupt == ENABLE)
<> 144:ef7eb2e8f9f7 398 {
<> 144:ef7eb2e8f9f7 399 __HAL_TSC_ENABLE_IT(htsc, TSC_IT_MCE);
<> 144:ef7eb2e8f9f7 400 }
<> 144:ef7eb2e8f9f7 401 else
<> 144:ef7eb2e8f9f7 402 {
<> 144:ef7eb2e8f9f7 403 __HAL_TSC_DISABLE_IT(htsc, TSC_IT_MCE);
<> 144:ef7eb2e8f9f7 404 }
<> 144:ef7eb2e8f9f7 405
<> 144:ef7eb2e8f9f7 406 /* Clear flags */
<> 144:ef7eb2e8f9f7 407 __HAL_TSC_CLEAR_FLAG(htsc, (TSC_FLAG_EOA | TSC_FLAG_MCE));
<> 144:ef7eb2e8f9f7 408
<> 144:ef7eb2e8f9f7 409 /* Set touch sensing IOs not acquired to the specified IODefaultMode */
<> 144:ef7eb2e8f9f7 410 if (htsc->Init.IODefaultMode == TSC_IODEF_OUT_PP_LOW)
<> 144:ef7eb2e8f9f7 411 {
<> 144:ef7eb2e8f9f7 412 __HAL_TSC_SET_IODEF_OUTPPLOW(htsc);
<> 144:ef7eb2e8f9f7 413 }
<> 144:ef7eb2e8f9f7 414 else
<> 144:ef7eb2e8f9f7 415 {
<> 144:ef7eb2e8f9f7 416 __HAL_TSC_SET_IODEF_INFLOAT(htsc);
<> 144:ef7eb2e8f9f7 417 }
<> 144:ef7eb2e8f9f7 418
<> 144:ef7eb2e8f9f7 419 /* Launch the acquisition */
<> 144:ef7eb2e8f9f7 420 __HAL_TSC_START_ACQ(htsc);
<> 144:ef7eb2e8f9f7 421
<> 144:ef7eb2e8f9f7 422 /* Process unlocked */
<> 144:ef7eb2e8f9f7 423 __HAL_UNLOCK(htsc);
<> 144:ef7eb2e8f9f7 424
<> 144:ef7eb2e8f9f7 425 /* Return function status */
<> 144:ef7eb2e8f9f7 426 return HAL_OK;
<> 144:ef7eb2e8f9f7 427 }
<> 144:ef7eb2e8f9f7 428
<> 144:ef7eb2e8f9f7 429 /**
<> 144:ef7eb2e8f9f7 430 * @brief Stops the acquisition previously launched in polling mode
<> 144:ef7eb2e8f9f7 431 * @param htsc: pointer to a TSC_HandleTypeDef structure that contains
<> 144:ef7eb2e8f9f7 432 * the configuration information for the specified TSC.
<> 144:ef7eb2e8f9f7 433 * @retval HAL status
<> 144:ef7eb2e8f9f7 434 */
<> 144:ef7eb2e8f9f7 435 HAL_StatusTypeDef HAL_TSC_Stop(TSC_HandleTypeDef* htsc)
<> 144:ef7eb2e8f9f7 436 {
<> 144:ef7eb2e8f9f7 437 /* Check the parameters */
<> 144:ef7eb2e8f9f7 438 assert_param(IS_TSC_ALL_INSTANCE(htsc->Instance));
<> 144:ef7eb2e8f9f7 439
<> 144:ef7eb2e8f9f7 440 /* Process locked */
<> 144:ef7eb2e8f9f7 441 __HAL_LOCK(htsc);
<> 144:ef7eb2e8f9f7 442
<> 144:ef7eb2e8f9f7 443 /* Stop the acquisition */
<> 144:ef7eb2e8f9f7 444 __HAL_TSC_STOP_ACQ(htsc);
<> 144:ef7eb2e8f9f7 445
<> 144:ef7eb2e8f9f7 446 /* Set touch sensing IOs in low power mode (output push-pull) */
<> 144:ef7eb2e8f9f7 447 __HAL_TSC_SET_IODEF_OUTPPLOW(htsc);
<> 144:ef7eb2e8f9f7 448
<> 144:ef7eb2e8f9f7 449 /* Clear flags */
<> 144:ef7eb2e8f9f7 450 __HAL_TSC_CLEAR_FLAG(htsc, (TSC_FLAG_EOA | TSC_FLAG_MCE));
<> 144:ef7eb2e8f9f7 451
<> 144:ef7eb2e8f9f7 452 /* Change TSC state */
<> 144:ef7eb2e8f9f7 453 htsc->State = HAL_TSC_STATE_READY;
<> 144:ef7eb2e8f9f7 454
<> 144:ef7eb2e8f9f7 455 /* Process unlocked */
<> 144:ef7eb2e8f9f7 456 __HAL_UNLOCK(htsc);
<> 144:ef7eb2e8f9f7 457
<> 144:ef7eb2e8f9f7 458 /* Return function status */
<> 144:ef7eb2e8f9f7 459 return HAL_OK;
<> 144:ef7eb2e8f9f7 460 }
<> 144:ef7eb2e8f9f7 461
<> 144:ef7eb2e8f9f7 462 /**
<> 144:ef7eb2e8f9f7 463 * @brief Stops the acquisition previously launched in interrupt mode
<> 144:ef7eb2e8f9f7 464 * @param htsc: pointer to a TSC_HandleTypeDef structure that contains
<> 144:ef7eb2e8f9f7 465 * the configuration information for the specified TSC.
<> 144:ef7eb2e8f9f7 466 * @retval HAL status
<> 144:ef7eb2e8f9f7 467 */
<> 144:ef7eb2e8f9f7 468 HAL_StatusTypeDef HAL_TSC_Stop_IT(TSC_HandleTypeDef* htsc)
<> 144:ef7eb2e8f9f7 469 {
<> 144:ef7eb2e8f9f7 470 /* Check the parameters */
<> 144:ef7eb2e8f9f7 471 assert_param(IS_TSC_ALL_INSTANCE(htsc->Instance));
<> 144:ef7eb2e8f9f7 472
<> 144:ef7eb2e8f9f7 473 /* Process locked */
<> 144:ef7eb2e8f9f7 474 __HAL_LOCK(htsc);
<> 144:ef7eb2e8f9f7 475
<> 144:ef7eb2e8f9f7 476 /* Stop the acquisition */
<> 144:ef7eb2e8f9f7 477 __HAL_TSC_STOP_ACQ(htsc);
<> 144:ef7eb2e8f9f7 478
<> 144:ef7eb2e8f9f7 479 /* Set touch sensing IOs in low power mode (output push-pull) */
<> 144:ef7eb2e8f9f7 480 __HAL_TSC_SET_IODEF_OUTPPLOW(htsc);
<> 144:ef7eb2e8f9f7 481
<> 144:ef7eb2e8f9f7 482 /* Disable interrupts */
<> 144:ef7eb2e8f9f7 483 __HAL_TSC_DISABLE_IT(htsc, (TSC_IT_EOA | TSC_IT_MCE));
<> 144:ef7eb2e8f9f7 484
<> 144:ef7eb2e8f9f7 485 /* Clear flags */
<> 144:ef7eb2e8f9f7 486 __HAL_TSC_CLEAR_FLAG(htsc, (TSC_FLAG_EOA | TSC_FLAG_MCE));
<> 144:ef7eb2e8f9f7 487
<> 144:ef7eb2e8f9f7 488 /* Change TSC state */
<> 144:ef7eb2e8f9f7 489 htsc->State = HAL_TSC_STATE_READY;
<> 144:ef7eb2e8f9f7 490
<> 144:ef7eb2e8f9f7 491 /* Process unlocked */
<> 144:ef7eb2e8f9f7 492 __HAL_UNLOCK(htsc);
<> 144:ef7eb2e8f9f7 493
<> 144:ef7eb2e8f9f7 494 /* Return function status */
<> 144:ef7eb2e8f9f7 495 return HAL_OK;
<> 144:ef7eb2e8f9f7 496 }
<> 144:ef7eb2e8f9f7 497
<> 144:ef7eb2e8f9f7 498 /**
<> 144:ef7eb2e8f9f7 499 * @brief Gets the acquisition status for a group
<> 144:ef7eb2e8f9f7 500 * @param htsc: pointer to a TSC_HandleTypeDef structure that contains
<> 144:ef7eb2e8f9f7 501 * the configuration information for the specified TSC.
<> 144:ef7eb2e8f9f7 502 * @param gx_index: Index of the group
<> 144:ef7eb2e8f9f7 503 * @retval Group status
<> 144:ef7eb2e8f9f7 504 */
<> 144:ef7eb2e8f9f7 505 TSC_GroupStatusTypeDef HAL_TSC_GroupGetStatus(TSC_HandleTypeDef* htsc, uint32_t gx_index)
<> 144:ef7eb2e8f9f7 506 {
<> 144:ef7eb2e8f9f7 507 /* Check the parameters */
<> 144:ef7eb2e8f9f7 508 assert_param(IS_TSC_ALL_INSTANCE(htsc->Instance));
<> 144:ef7eb2e8f9f7 509 assert_param(IS_TSC_GROUP_INDEX(gx_index));
<> 144:ef7eb2e8f9f7 510
<> 144:ef7eb2e8f9f7 511 /* Return the group status */
<> 144:ef7eb2e8f9f7 512 return(__HAL_TSC_GET_GROUP_STATUS(htsc, gx_index));
<> 144:ef7eb2e8f9f7 513 }
<> 144:ef7eb2e8f9f7 514
<> 144:ef7eb2e8f9f7 515 /**
<> 144:ef7eb2e8f9f7 516 * @brief Gets the acquisition measure for a group
<> 144:ef7eb2e8f9f7 517 * @param htsc: pointer to a TSC_HandleTypeDef structure that contains
<> 144:ef7eb2e8f9f7 518 * the configuration information for the specified TSC.
<> 144:ef7eb2e8f9f7 519 * @param gx_index: Index of the group
<> 144:ef7eb2e8f9f7 520 * @retval Acquisition measure
<> 144:ef7eb2e8f9f7 521 */
<> 144:ef7eb2e8f9f7 522 uint32_t HAL_TSC_GroupGetValue(TSC_HandleTypeDef* htsc, uint32_t gx_index)
<> 144:ef7eb2e8f9f7 523 {
<> 144:ef7eb2e8f9f7 524 /* Check the parameters */
<> 144:ef7eb2e8f9f7 525 assert_param(IS_TSC_ALL_INSTANCE(htsc->Instance));
<> 144:ef7eb2e8f9f7 526 assert_param(IS_TSC_GROUP_INDEX(gx_index));
<> 144:ef7eb2e8f9f7 527
<> 144:ef7eb2e8f9f7 528 /* Return the group acquisition counter */
<> 144:ef7eb2e8f9f7 529 return htsc->Instance->IOGXCR[gx_index];
<> 144:ef7eb2e8f9f7 530 }
<> 144:ef7eb2e8f9f7 531
<> 144:ef7eb2e8f9f7 532 /**
<> 144:ef7eb2e8f9f7 533 * @}
<> 144:ef7eb2e8f9f7 534 */
<> 144:ef7eb2e8f9f7 535
<> 144:ef7eb2e8f9f7 536 /** @addtogroup HAL_TSC_Exported_Functions_Group3
<> 144:ef7eb2e8f9f7 537 * @brief Peripheral Control functions
<> 144:ef7eb2e8f9f7 538 *
<> 144:ef7eb2e8f9f7 539 @verbatim
<> 144:ef7eb2e8f9f7 540 ===============================================================================
<> 144:ef7eb2e8f9f7 541 ##### Peripheral Control functions #####
<> 144:ef7eb2e8f9f7 542 ===============================================================================
<> 144:ef7eb2e8f9f7 543 [..] This section provides functions allowing to:
<> 144:ef7eb2e8f9f7 544 (+) Configure TSC IOs
<> 144:ef7eb2e8f9f7 545 (+) Discharge TSC IOs
<> 144:ef7eb2e8f9f7 546 @endverbatim
<> 144:ef7eb2e8f9f7 547 * @{
<> 144:ef7eb2e8f9f7 548 */
<> 144:ef7eb2e8f9f7 549
<> 144:ef7eb2e8f9f7 550 /**
<> 144:ef7eb2e8f9f7 551 * @brief Configures TSC IOs
<> 144:ef7eb2e8f9f7 552 * @param htsc: pointer to a TSC_HandleTypeDef structure that contains
<> 144:ef7eb2e8f9f7 553 * the configuration information for the specified TSC.
<> 144:ef7eb2e8f9f7 554 * @param config: pointer to the configuration structure.
<> 144:ef7eb2e8f9f7 555 * @retval HAL status
<> 144:ef7eb2e8f9f7 556 */
<> 144:ef7eb2e8f9f7 557 HAL_StatusTypeDef HAL_TSC_IOConfig(TSC_HandleTypeDef* htsc, TSC_IOConfigTypeDef* config)
<> 144:ef7eb2e8f9f7 558 {
<> 144:ef7eb2e8f9f7 559 /* Check the parameters */
<> 144:ef7eb2e8f9f7 560 assert_param(IS_TSC_ALL_INSTANCE(htsc->Instance));
<> 144:ef7eb2e8f9f7 561
<> 144:ef7eb2e8f9f7 562 /* Process locked */
<> 144:ef7eb2e8f9f7 563 __HAL_LOCK(htsc);
<> 144:ef7eb2e8f9f7 564
<> 144:ef7eb2e8f9f7 565 /* Stop acquisition */
<> 144:ef7eb2e8f9f7 566 __HAL_TSC_STOP_ACQ(htsc);
<> 144:ef7eb2e8f9f7 567
<> 144:ef7eb2e8f9f7 568 /* Disable Schmitt trigger hysteresis on all used TSC IOs */
<> 144:ef7eb2e8f9f7 569 htsc->Instance->IOHCR = (uint32_t)(~(config->ChannelIOs | config->ShieldIOs | config->SamplingIOs));
<> 144:ef7eb2e8f9f7 570
<> 144:ef7eb2e8f9f7 571 /* Set channel and shield IOs */
<> 144:ef7eb2e8f9f7 572 htsc->Instance->IOCCR = (config->ChannelIOs | config->ShieldIOs);
<> 144:ef7eb2e8f9f7 573
<> 144:ef7eb2e8f9f7 574 /* Set sampling IOs */
<> 144:ef7eb2e8f9f7 575 htsc->Instance->IOSCR = config->SamplingIOs;
<> 144:ef7eb2e8f9f7 576
<> 144:ef7eb2e8f9f7 577 /* Set groups to be acquired */
<> 144:ef7eb2e8f9f7 578 htsc->Instance->IOGCSR = TSC_extract_groups(config->ChannelIOs);
<> 144:ef7eb2e8f9f7 579
<> 144:ef7eb2e8f9f7 580 /* Process unlocked */
<> 144:ef7eb2e8f9f7 581 __HAL_UNLOCK(htsc);
<> 144:ef7eb2e8f9f7 582
<> 144:ef7eb2e8f9f7 583 /* Return function status */
<> 144:ef7eb2e8f9f7 584 return HAL_OK;
<> 144:ef7eb2e8f9f7 585 }
<> 144:ef7eb2e8f9f7 586
<> 144:ef7eb2e8f9f7 587 /**
<> 144:ef7eb2e8f9f7 588 * @brief Discharge TSC IOs
<> 144:ef7eb2e8f9f7 589 * @param htsc: pointer to a TSC_HandleTypeDef structure that contains
<> 144:ef7eb2e8f9f7 590 * the configuration information for the specified TSC.
<> 144:ef7eb2e8f9f7 591 * @param choice: enable or disable
<> 144:ef7eb2e8f9f7 592 * @retval HAL status
<> 144:ef7eb2e8f9f7 593 */
<> 144:ef7eb2e8f9f7 594 HAL_StatusTypeDef HAL_TSC_IODischarge(TSC_HandleTypeDef* htsc, uint32_t choice)
<> 144:ef7eb2e8f9f7 595 {
<> 144:ef7eb2e8f9f7 596 /* Check the parameters */
<> 144:ef7eb2e8f9f7 597 assert_param(IS_TSC_ALL_INSTANCE(htsc->Instance));
<> 144:ef7eb2e8f9f7 598
<> 144:ef7eb2e8f9f7 599 /* Process locked */
<> 144:ef7eb2e8f9f7 600 __HAL_LOCK(htsc);
<> 144:ef7eb2e8f9f7 601
<> 144:ef7eb2e8f9f7 602 if (choice == ENABLE)
<> 144:ef7eb2e8f9f7 603 {
<> 144:ef7eb2e8f9f7 604 __HAL_TSC_SET_IODEF_OUTPPLOW(htsc);
<> 144:ef7eb2e8f9f7 605 }
<> 144:ef7eb2e8f9f7 606 else
<> 144:ef7eb2e8f9f7 607 {
<> 144:ef7eb2e8f9f7 608 __HAL_TSC_SET_IODEF_INFLOAT(htsc);
<> 144:ef7eb2e8f9f7 609 }
<> 144:ef7eb2e8f9f7 610
<> 144:ef7eb2e8f9f7 611 /* Process unlocked */
<> 144:ef7eb2e8f9f7 612 __HAL_UNLOCK(htsc);
<> 144:ef7eb2e8f9f7 613
<> 144:ef7eb2e8f9f7 614 /* Return the group acquisition counter */
<> 144:ef7eb2e8f9f7 615 return HAL_OK;
<> 144:ef7eb2e8f9f7 616 }
<> 144:ef7eb2e8f9f7 617
<> 144:ef7eb2e8f9f7 618 /**
<> 144:ef7eb2e8f9f7 619 * @}
<> 144:ef7eb2e8f9f7 620 */
<> 144:ef7eb2e8f9f7 621
<> 144:ef7eb2e8f9f7 622 /** @addtogroup HAL_TSC_Exported_Functions_Group4
<> 144:ef7eb2e8f9f7 623 * @brief State functions
<> 144:ef7eb2e8f9f7 624 *
<> 144:ef7eb2e8f9f7 625 @verbatim
<> 144:ef7eb2e8f9f7 626 ===============================================================================
<> 144:ef7eb2e8f9f7 627 ##### State functions #####
<> 144:ef7eb2e8f9f7 628 ===============================================================================
<> 144:ef7eb2e8f9f7 629 [..]
<> 144:ef7eb2e8f9f7 630 This subsection provides functions allowing to
<> 144:ef7eb2e8f9f7 631 (+) Get TSC state.
<> 144:ef7eb2e8f9f7 632 (+) Poll for acquisition completed.
<> 144:ef7eb2e8f9f7 633 (+) Handles TSC interrupt request.
<> 144:ef7eb2e8f9f7 634
<> 144:ef7eb2e8f9f7 635 @endverbatim
<> 144:ef7eb2e8f9f7 636 * @{
<> 144:ef7eb2e8f9f7 637 */
<> 144:ef7eb2e8f9f7 638
<> 144:ef7eb2e8f9f7 639 /**
<> 144:ef7eb2e8f9f7 640 * @brief Return the TSC state
<> 144:ef7eb2e8f9f7 641 * @param htsc: pointer to a TSC_HandleTypeDef structure that contains
<> 144:ef7eb2e8f9f7 642 * the configuration information for the specified TSC.
<> 144:ef7eb2e8f9f7 643 * @retval HAL state
<> 144:ef7eb2e8f9f7 644 */
<> 144:ef7eb2e8f9f7 645 HAL_TSC_StateTypeDef HAL_TSC_GetState(TSC_HandleTypeDef* htsc)
<> 144:ef7eb2e8f9f7 646 {
<> 144:ef7eb2e8f9f7 647 /* Check the parameters */
<> 144:ef7eb2e8f9f7 648 assert_param(IS_TSC_ALL_INSTANCE(htsc->Instance));
<> 144:ef7eb2e8f9f7 649
<> 144:ef7eb2e8f9f7 650 if (htsc->State == HAL_TSC_STATE_BUSY)
<> 144:ef7eb2e8f9f7 651 {
<> 144:ef7eb2e8f9f7 652 /* Check end of acquisition flag */
<> 144:ef7eb2e8f9f7 653 if (__HAL_TSC_GET_FLAG(htsc, TSC_FLAG_EOA) != RESET)
<> 144:ef7eb2e8f9f7 654 {
<> 144:ef7eb2e8f9f7 655 /* Check max count error flag */
<> 144:ef7eb2e8f9f7 656 if (__HAL_TSC_GET_FLAG(htsc, TSC_FLAG_MCE) != RESET)
<> 144:ef7eb2e8f9f7 657 {
<> 144:ef7eb2e8f9f7 658 /* Change TSC state */
<> 144:ef7eb2e8f9f7 659 htsc->State = HAL_TSC_STATE_ERROR;
<> 144:ef7eb2e8f9f7 660 }
<> 144:ef7eb2e8f9f7 661 else
<> 144:ef7eb2e8f9f7 662 {
<> 144:ef7eb2e8f9f7 663 /* Change TSC state */
<> 144:ef7eb2e8f9f7 664 htsc->State = HAL_TSC_STATE_READY;
<> 144:ef7eb2e8f9f7 665 }
<> 144:ef7eb2e8f9f7 666 }
<> 144:ef7eb2e8f9f7 667 }
<> 144:ef7eb2e8f9f7 668
<> 144:ef7eb2e8f9f7 669 /* Return TSC state */
<> 144:ef7eb2e8f9f7 670 return htsc->State;
<> 144:ef7eb2e8f9f7 671 }
<> 144:ef7eb2e8f9f7 672
<> 144:ef7eb2e8f9f7 673 /**
<> 144:ef7eb2e8f9f7 674 * @brief Start acquisition and wait until completion
<> 144:ef7eb2e8f9f7 675 * @note There is no need of a timeout parameter as the max count error is already
<> 144:ef7eb2e8f9f7 676 * managed by the TSC peripheral.
<> 144:ef7eb2e8f9f7 677 * @param htsc: pointer to a TSC_HandleTypeDef structure that contains
<> 144:ef7eb2e8f9f7 678 * the configuration information for the specified TSC.
<> 144:ef7eb2e8f9f7 679 * @retval HAL state
<> 144:ef7eb2e8f9f7 680 */
<> 144:ef7eb2e8f9f7 681 HAL_StatusTypeDef HAL_TSC_PollForAcquisition(TSC_HandleTypeDef* htsc)
<> 144:ef7eb2e8f9f7 682 {
<> 144:ef7eb2e8f9f7 683 /* Check the parameters */
<> 144:ef7eb2e8f9f7 684 assert_param(IS_TSC_ALL_INSTANCE(htsc->Instance));
<> 144:ef7eb2e8f9f7 685
<> 144:ef7eb2e8f9f7 686 /* Process locked */
<> 144:ef7eb2e8f9f7 687 __HAL_LOCK(htsc);
<> 144:ef7eb2e8f9f7 688
<> 144:ef7eb2e8f9f7 689 /* Check end of acquisition */
<> 144:ef7eb2e8f9f7 690 while (HAL_TSC_GetState(htsc) == HAL_TSC_STATE_BUSY)
<> 144:ef7eb2e8f9f7 691 {
<> 144:ef7eb2e8f9f7 692 /* The timeout (max count error) is managed by the TSC peripheral itself. */
<> 144:ef7eb2e8f9f7 693 }
<> 144:ef7eb2e8f9f7 694
<> 144:ef7eb2e8f9f7 695 /* Process unlocked */
<> 144:ef7eb2e8f9f7 696 __HAL_UNLOCK(htsc);
<> 144:ef7eb2e8f9f7 697
<> 144:ef7eb2e8f9f7 698 return HAL_OK;
<> 144:ef7eb2e8f9f7 699 }
<> 144:ef7eb2e8f9f7 700
<> 144:ef7eb2e8f9f7 701 /**
<> 144:ef7eb2e8f9f7 702 * @brief Handles TSC interrupt request
<> 144:ef7eb2e8f9f7 703 * @param htsc: pointer to a TSC_HandleTypeDef structure that contains
<> 144:ef7eb2e8f9f7 704 * the configuration information for the specified TSC.
<> 144:ef7eb2e8f9f7 705 * @retval None
<> 144:ef7eb2e8f9f7 706 */
<> 144:ef7eb2e8f9f7 707 void HAL_TSC_IRQHandler(TSC_HandleTypeDef* htsc)
<> 144:ef7eb2e8f9f7 708 {
<> 144:ef7eb2e8f9f7 709 /* Check the parameters */
<> 144:ef7eb2e8f9f7 710 assert_param(IS_TSC_ALL_INSTANCE(htsc->Instance));
<> 144:ef7eb2e8f9f7 711
<> 144:ef7eb2e8f9f7 712 /* Check if the end of acquisition occured */
<> 144:ef7eb2e8f9f7 713 if (__HAL_TSC_GET_FLAG(htsc, TSC_FLAG_EOA) != RESET)
<> 144:ef7eb2e8f9f7 714 {
<> 144:ef7eb2e8f9f7 715 /* Clear EOA flag */
<> 144:ef7eb2e8f9f7 716 __HAL_TSC_CLEAR_FLAG(htsc, TSC_FLAG_EOA);
<> 144:ef7eb2e8f9f7 717 }
<> 144:ef7eb2e8f9f7 718
<> 144:ef7eb2e8f9f7 719 /* Check if max count error occured */
<> 144:ef7eb2e8f9f7 720 if (__HAL_TSC_GET_FLAG(htsc, TSC_FLAG_MCE) != RESET)
<> 144:ef7eb2e8f9f7 721 {
<> 144:ef7eb2e8f9f7 722 /* Clear MCE flag */
<> 144:ef7eb2e8f9f7 723 __HAL_TSC_CLEAR_FLAG(htsc, TSC_FLAG_MCE);
<> 144:ef7eb2e8f9f7 724 /* Change TSC state */
<> 144:ef7eb2e8f9f7 725 htsc->State = HAL_TSC_STATE_ERROR;
<> 144:ef7eb2e8f9f7 726 /* Conversion completed callback */
<> 144:ef7eb2e8f9f7 727 HAL_TSC_ErrorCallback(htsc);
<> 144:ef7eb2e8f9f7 728 }
<> 144:ef7eb2e8f9f7 729 else
<> 144:ef7eb2e8f9f7 730 {
<> 144:ef7eb2e8f9f7 731 /* Change TSC state */
<> 144:ef7eb2e8f9f7 732 htsc->State = HAL_TSC_STATE_READY;
<> 144:ef7eb2e8f9f7 733 /* Conversion completed callback */
<> 144:ef7eb2e8f9f7 734 HAL_TSC_ConvCpltCallback(htsc);
<> 144:ef7eb2e8f9f7 735 }
<> 144:ef7eb2e8f9f7 736 }
<> 144:ef7eb2e8f9f7 737
<> 144:ef7eb2e8f9f7 738 /**
<> 144:ef7eb2e8f9f7 739 * @brief Acquisition completed callback in non blocking mode
<> 144:ef7eb2e8f9f7 740 * @param htsc: pointer to a TSC_HandleTypeDef structure that contains
<> 144:ef7eb2e8f9f7 741 * the configuration information for the specified TSC.
<> 144:ef7eb2e8f9f7 742 * @retval None
<> 144:ef7eb2e8f9f7 743 */
<> 144:ef7eb2e8f9f7 744 __weak void HAL_TSC_ConvCpltCallback(TSC_HandleTypeDef* htsc)
<> 144:ef7eb2e8f9f7 745 {
<> 144:ef7eb2e8f9f7 746 /* Prevent unused argument(s) compilation warning */
<> 144:ef7eb2e8f9f7 747 UNUSED(htsc);
<> 144:ef7eb2e8f9f7 748
<> 144:ef7eb2e8f9f7 749 /* NOTE : This function should not be modified, when the callback is needed,
<> 144:ef7eb2e8f9f7 750 the HAL_TSC_ConvCpltCallback could be implemented in the user file.
<> 144:ef7eb2e8f9f7 751 */
<> 144:ef7eb2e8f9f7 752 }
<> 144:ef7eb2e8f9f7 753
<> 144:ef7eb2e8f9f7 754 /**
<> 144:ef7eb2e8f9f7 755 * @brief Error callback in non blocking mode
<> 144:ef7eb2e8f9f7 756 * @param htsc: pointer to a TSC_HandleTypeDef structure that contains
<> 144:ef7eb2e8f9f7 757 * the configuration information for the specified TSC.
<> 144:ef7eb2e8f9f7 758 * @retval None
<> 144:ef7eb2e8f9f7 759 */
<> 144:ef7eb2e8f9f7 760 __weak void HAL_TSC_ErrorCallback(TSC_HandleTypeDef* htsc)
<> 144:ef7eb2e8f9f7 761 {
<> 144:ef7eb2e8f9f7 762 /* Prevent unused argument(s) compilation warning */
<> 144:ef7eb2e8f9f7 763 UNUSED(htsc);
<> 144:ef7eb2e8f9f7 764
<> 144:ef7eb2e8f9f7 765 /* NOTE : This function should not be modified, when the callback is needed,
<> 144:ef7eb2e8f9f7 766 the HAL_TSC_ErrorCallback could be implemented in the user file.
<> 144:ef7eb2e8f9f7 767 */
<> 144:ef7eb2e8f9f7 768 }
<> 144:ef7eb2e8f9f7 769
<> 144:ef7eb2e8f9f7 770 /**
<> 144:ef7eb2e8f9f7 771 * @}
<> 144:ef7eb2e8f9f7 772 */
<> 144:ef7eb2e8f9f7 773
<> 144:ef7eb2e8f9f7 774 /**
<> 144:ef7eb2e8f9f7 775 * @}
<> 144:ef7eb2e8f9f7 776 */
<> 144:ef7eb2e8f9f7 777
<> 144:ef7eb2e8f9f7 778 /** @addtogroup TSC_Private
<> 144:ef7eb2e8f9f7 779 * @{
<> 144:ef7eb2e8f9f7 780 */
<> 144:ef7eb2e8f9f7 781
<> 144:ef7eb2e8f9f7 782 /**
<> 144:ef7eb2e8f9f7 783 * @brief Utility function used to set the acquired groups mask
<> 144:ef7eb2e8f9f7 784 * @param iomask: Channels IOs mask
<> 144:ef7eb2e8f9f7 785 * @retval Acquired groups mask
<> 144:ef7eb2e8f9f7 786 */
<> 144:ef7eb2e8f9f7 787 static uint32_t TSC_extract_groups(uint32_t iomask)
<> 144:ef7eb2e8f9f7 788 {
<> 144:ef7eb2e8f9f7 789 uint32_t groups = 0;
<> 144:ef7eb2e8f9f7 790 uint32_t idx;
<> 144:ef7eb2e8f9f7 791
<> 144:ef7eb2e8f9f7 792 for (idx = 0; idx < TSC_NB_OF_GROUPS; idx++)
<> 144:ef7eb2e8f9f7 793 {
<> 144:ef7eb2e8f9f7 794 if ((iomask & ((uint32_t)0x0F << (idx * 4))) != RESET)
<> 144:ef7eb2e8f9f7 795 {
<> 144:ef7eb2e8f9f7 796 groups |= ((uint32_t)1 << idx);
<> 144:ef7eb2e8f9f7 797 }
<> 144:ef7eb2e8f9f7 798 }
<> 144:ef7eb2e8f9f7 799
<> 144:ef7eb2e8f9f7 800 return groups;
<> 144:ef7eb2e8f9f7 801 }
<> 144:ef7eb2e8f9f7 802
<> 144:ef7eb2e8f9f7 803 /**
<> 144:ef7eb2e8f9f7 804 * @}
<> 144:ef7eb2e8f9f7 805 */
<> 144:ef7eb2e8f9f7 806
<> 144:ef7eb2e8f9f7 807
<> 144:ef7eb2e8f9f7 808 /**
<> 144:ef7eb2e8f9f7 809 * @}
<> 144:ef7eb2e8f9f7 810 */
<> 144:ef7eb2e8f9f7 811
<> 144:ef7eb2e8f9f7 812 /**
<> 144:ef7eb2e8f9f7 813 * @}
<> 144:ef7eb2e8f9f7 814 */
<> 144:ef7eb2e8f9f7 815 #endif /* HAL_TSC_MODULE_ENABLED */
<> 144:ef7eb2e8f9f7 816 #endif /* #if !defined(STM32L011xx) && !defined(STM32L021xx) && !defined (STM32L031xx) && !defined (STM32L041xx) && !defined (STM32L051xx) && !defined (STM32L061xx) && !defined (STM32L071xx) && !defined (STM32L081xx) */
<> 144:ef7eb2e8f9f7 817
<> 144:ef7eb2e8f9f7 818 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
<> 144:ef7eb2e8f9f7 819