mbed official / mbed-dev

mbed library sources. Supersedes mbed-src.

Dependents:   Nucleo_Hello_Encoder BLE_iBeaconScan AM1805_DEMO DISCO-F429ZI_ExportTemplate1 ... more

targets/TARGET_STM/TARGET_STM32L0/device/stm32l0xx_hal_tsc.c@189:f392fc9709a3, 2019-02-20 (annotated)

Committer:
AnnaBridge
Date:
Wed Feb 20 22:31:08 2019 +0000
Revision:
189:f392fc9709a3
Parent:
186:707f6e361f3e 
mbed library release version 165

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 * @brief This file provides firmware functions to manage the following
<> 144:ef7eb2e8f9f7 6 * functionalities of the Touch Sensing Controller (TSC) peripheral:
<> 144:ef7eb2e8f9f7 7 * + Initialization and DeInitialization
<> 144:ef7eb2e8f9f7 8 * + Channel IOs, Shield IOs and Sampling IOs configuration
<> 144:ef7eb2e8f9f7 9 * + Start and Stop an acquisition
<> 144:ef7eb2e8f9f7 10 * + Read acquisition result
<> 144:ef7eb2e8f9f7 11 * + Interrupts and flags management
<> 144:ef7eb2e8f9f7 12 *
<> 144:ef7eb2e8f9f7 13 @verbatim
<> 144:ef7eb2e8f9f7 14 ================================================================================
<> 144:ef7eb2e8f9f7 15 ##### TSC specific features #####
<> 144:ef7eb2e8f9f7 16 ================================================================================
<> 144:ef7eb2e8f9f7 17 [..]
<> 144:ef7eb2e8f9f7 18 (#) Proven and robust surface charge transfer acquisition principle
<> 144:ef7eb2e8f9f7 19
<> 144:ef7eb2e8f9f7 20 (#) Supports up to 3 capacitive sensing channels per group
<> 144:ef7eb2e8f9f7 21
<> 144:ef7eb2e8f9f7 22 (#) Capacitive sensing channels can be acquired in parallel offering a very good
<> 144:ef7eb2e8f9f7 23 response time
<> 144:ef7eb2e8f9f7 24
<> 144:ef7eb2e8f9f7 25 (#) Spread spectrum feature to improve system robustness in noisy environments
<> 144:ef7eb2e8f9f7 26
<> 144:ef7eb2e8f9f7 27 (#) Full hardware management of the charge transfer acquisition sequence
<> 144:ef7eb2e8f9f7 28
<> 144:ef7eb2e8f9f7 29 (#) Programmable charge transfer frequency
<> 144:ef7eb2e8f9f7 30
<> 144:ef7eb2e8f9f7 31 (#) Programmable sampling capacitor I/O pin
<> 144:ef7eb2e8f9f7 32
<> 144:ef7eb2e8f9f7 33 (#) Programmable channel I/O pin
<> 144:ef7eb2e8f9f7 34
<> 144:ef7eb2e8f9f7 35 (#) Programmable max count value to avoid long acquisition when a channel is faulty
<> 144:ef7eb2e8f9f7 36
<> 144:ef7eb2e8f9f7 37 (#) Dedicated end of acquisition and max count error flags with interrupt capability
<> 144:ef7eb2e8f9f7 38
<> 144:ef7eb2e8f9f7 39 (#) One sampling capacitor for up to 3 capacitive sensing channels to reduce the system
<> 144:ef7eb2e8f9f7 40 components
<> 144:ef7eb2e8f9f7 41
<> 144:ef7eb2e8f9f7 42 (#) Compatible with proximity, touchkey, linear and rotary touch sensor implementation
<> 144:ef7eb2e8f9f7 43
<> 144:ef7eb2e8f9f7 44
<> 144:ef7eb2e8f9f7 45 ##### How to use this driver #####
<> 144:ef7eb2e8f9f7 46 ================================================================================
<> 144:ef7eb2e8f9f7 47 [..]
<> 144:ef7eb2e8f9f7 48 (#) Enable the TSC interface clock using __HAL_RCC_TSC_CLK_ENABLE() macro.
<> 144:ef7eb2e8f9f7 49
<> 144:ef7eb2e8f9f7 50 (#) GPIO pins configuration
<> 144:ef7eb2e8f9f7 51 (++) Enable the clock for the TSC GPIOs using __HAL_RCC_GPIOx_CLK_ENABLE() macro.
<> 144:ef7eb2e8f9f7 52 (++) Configure the TSC pins used as sampling IOs in alternate function output Open-Drain mode,
<> 144:ef7eb2e8f9f7 53 and TSC pins used as channel/shield IOs in alternate function output Push-Pull mode
<> 144:ef7eb2e8f9f7 54 using HAL_GPIO_Init() function.
<> 144:ef7eb2e8f9f7 55 (++) Configure the alternate function on all the TSC pins using HAL_xxxx() function.
<> 144:ef7eb2e8f9f7 56
<> 144:ef7eb2e8f9f7 57 (#) Interrupts configuration
<> 144:ef7eb2e8f9f7 58 (++) Configure the NVIC (if the interrupt model is used) using HAL_xxx() function.
<> 144:ef7eb2e8f9f7 59
<> 144:ef7eb2e8f9f7 60 (#) TSC configuration
<> 144:ef7eb2e8f9f7 61 (++) Configure all TSC parameters and used TSC IOs using HAL_TSC_Init() function.
<> 144:ef7eb2e8f9f7 62
<> 144:ef7eb2e8f9f7 63 *** Acquisition sequence ***
<> 144:ef7eb2e8f9f7 64 ===================================
<> 144:ef7eb2e8f9f7 65 [..]
<> 144:ef7eb2e8f9f7 66 (+) Discharge all IOs using HAL_TSC_IODischarge() function.
<> 144:ef7eb2e8f9f7 67 (+) Wait a certain time allowing a good discharge of all capacitors. This delay depends
<> 144:ef7eb2e8f9f7 68 of the sampling capacitor and electrodes design.
<> 144:ef7eb2e8f9f7 69 (+) Select the channel IOs to be acquired using HAL_TSC_IOConfig() function.
<> 144:ef7eb2e8f9f7 70 (+) Launch the acquisition using either HAL_TSC_Start() or HAL_TSC_Start_IT() function.
<> 144:ef7eb2e8f9f7 71 If the synchronized mode is selected, the acquisition will start as soon as the signal
<> 144:ef7eb2e8f9f7 72 is received on the synchro pin.
<> 144:ef7eb2e8f9f7 73 (+) Wait the end of acquisition using either HAL_TSC_PollForAcquisition() or
<> 144:ef7eb2e8f9f7 74 HAL_TSC_GetState() function or using WFI instruction for example.
<> 144:ef7eb2e8f9f7 75 (+) Check the group acquisition status using HAL_TSC_GroupGetStatus() function.
<> 144:ef7eb2e8f9f7 76 (+) Read the acquisition value using HAL_TSC_GroupGetValue() function.
<> 144:ef7eb2e8f9f7 77
<> 144:ef7eb2e8f9f7 78 @endverbatim
<> 144:ef7eb2e8f9f7 79 ******************************************************************************
<> 144:ef7eb2e8f9f7 80 * @attention
<> 144:ef7eb2e8f9f7 81 *
<> 144:ef7eb2e8f9f7 82 * <h2><center>&copy; COPYRIGHT(c) 2016 STMicroelectronics</center></h2>
<> 144:ef7eb2e8f9f7 83 *
<> 144:ef7eb2e8f9f7 84 * Redistribution and use in source and binary forms, with or without modification,
<> 144:ef7eb2e8f9f7 85 * are permitted provided that the following conditions are met:
<> 144:ef7eb2e8f9f7 86 * 1. Redistributions of source code must retain the above copyright notice,
<> 144:ef7eb2e8f9f7 87 * this list of conditions and the following disclaimer.
<> 144:ef7eb2e8f9f7 88 * 2. Redistributions in binary form must reproduce the above copyright notice,
<> 144:ef7eb2e8f9f7 89 * this list of conditions and the following disclaimer in the documentation
<> 144:ef7eb2e8f9f7 90 * and/or other materials provided with the distribution.
<> 144:ef7eb2e8f9f7 91 * 3. Neither the name of STMicroelectronics nor the names of its contributors
<> 144:ef7eb2e8f9f7 92 * may be used to endorse or promote products derived from this software
<> 144:ef7eb2e8f9f7 93 * without specific prior written permission.
<> 144:ef7eb2e8f9f7 94 *
<> 144:ef7eb2e8f9f7 95 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
<> 144:ef7eb2e8f9f7 96 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
<> 144:ef7eb2e8f9f7 97 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
<> 144:ef7eb2e8f9f7 98 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
<> 144:ef7eb2e8f9f7 99 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
<> 144:ef7eb2e8f9f7 100 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
<> 144:ef7eb2e8f9f7 101 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
<> 144:ef7eb2e8f9f7 102 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
<> 144:ef7eb2e8f9f7 103 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
<> 144:ef7eb2e8f9f7 104 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
<> 144:ef7eb2e8f9f7 105 *
<> 144:ef7eb2e8f9f7 106 ******************************************************************************
<> 144:ef7eb2e8f9f7 107 */
<> 144:ef7eb2e8f9f7 108
<> 144:ef7eb2e8f9f7 109 /* Includes ------------------------------------------------------------------*/
<> 144:ef7eb2e8f9f7 110 #if !defined(STM32L011xx) && !defined(STM32L021xx) && !defined (STM32L031xx) && !defined (STM32L041xx) && !defined (STM32L051xx) && !defined (STM32L061xx) && !defined (STM32L071xx) && !defined (STM32L081xx)
<> 144:ef7eb2e8f9f7 111 #include "stm32l0xx_hal.h"
<> 144:ef7eb2e8f9f7 112
<> 144:ef7eb2e8f9f7 113 #ifdef HAL_TSC_MODULE_ENABLED
<> 144:ef7eb2e8f9f7 114 /** @addtogroup STM32L0xx_HAL_Driver
<> 144:ef7eb2e8f9f7 115 * @{
<> 144:ef7eb2e8f9f7 116 */
<> 144:ef7eb2e8f9f7 117
<> 144:ef7eb2e8f9f7 118 /** @addtogroup TSC
<> 144:ef7eb2e8f9f7 119 * @brief HAL TSC module driver
<> 144:ef7eb2e8f9f7 120 * @{
<> 144:ef7eb2e8f9f7 121 */
<> 144:ef7eb2e8f9f7 122
<> 144:ef7eb2e8f9f7 123 /** @addtogroup TSC_Private TSC Private
<> 144:ef7eb2e8f9f7 124 * @{
<> 144:ef7eb2e8f9f7 125 */
<> 144:ef7eb2e8f9f7 126 /* Private typedef -----------------------------------------------------------*/
<> 144:ef7eb2e8f9f7 127 /* Private define ------------------------------------------------------------*/
<> 144:ef7eb2e8f9f7 128 /* Private macro -------------------------------------------------------------*/
<> 144:ef7eb2e8f9f7 129 /* Private variables ---------------------------------------------------------*/
<> 144:ef7eb2e8f9f7 130 /* Private function prototypes -----------------------------------------------*/
<> 144:ef7eb2e8f9f7 131
<> 144:ef7eb2e8f9f7 132 static uint32_t TSC_extract_groups(uint32_t iomask);
<> 144:ef7eb2e8f9f7 133 /* Private functions ---------------------------------------------------------*/
<> 144:ef7eb2e8f9f7 134 /**
<> 144:ef7eb2e8f9f7 135 * @}
<> 144:ef7eb2e8f9f7 136 */
<> 144:ef7eb2e8f9f7 137 /** @addtogroup TSC_Exported_Functions TSC Exported Functions
<> 144:ef7eb2e8f9f7 138 * @{
<> 144:ef7eb2e8f9f7 139 */
<> 144:ef7eb2e8f9f7 140
<> 144:ef7eb2e8f9f7 141 /** @addtogroup HAL_TSC_Exported_Functions_Group1
<> 144:ef7eb2e8f9f7 142 * @brief Initialization and Configuration functions
<> 144:ef7eb2e8f9f7 143 *
<> 144:ef7eb2e8f9f7 144 @verbatim
<> 144:ef7eb2e8f9f7 145 ===============================================================================
<> 144:ef7eb2e8f9f7 146 ##### Initialization and de-initialization functions #####
<> 144:ef7eb2e8f9f7 147 ===============================================================================
<> 144:ef7eb2e8f9f7 148 [..] This section provides functions allowing to:
<> 144:ef7eb2e8f9f7 149 (+) Initialize and configure the TSC.
<> 144:ef7eb2e8f9f7 150 (+) De-initialize the TSC.
<> 144:ef7eb2e8f9f7 151 @endverbatim
<> 144:ef7eb2e8f9f7 152 * @{
<> 144:ef7eb2e8f9f7 153 */
<> 144:ef7eb2e8f9f7 154
<> 144:ef7eb2e8f9f7 155 /**
<> 144:ef7eb2e8f9f7 156 * @brief Initializes the TSC peripheral according to the specified parameters
<> 144:ef7eb2e8f9f7 157 * in the TSC_InitTypeDef structure.
<> 144:ef7eb2e8f9f7 158 * @param htsc: TSC handle
<> 144:ef7eb2e8f9f7 159 * @retval HAL status
<> 144:ef7eb2e8f9f7 160 */
<> 144:ef7eb2e8f9f7 161 HAL_StatusTypeDef HAL_TSC_Init(TSC_HandleTypeDef* htsc)
<> 144:ef7eb2e8f9f7 162 {
<> 144:ef7eb2e8f9f7 163 /* Check TSC handle allocation */
<> 144:ef7eb2e8f9f7 164 if (htsc == NULL)
<> 144:ef7eb2e8f9f7 165 {
<> 144:ef7eb2e8f9f7 166 return HAL_ERROR;
<> 144:ef7eb2e8f9f7 167 }
<> 144:ef7eb2e8f9f7 168
<> 144:ef7eb2e8f9f7 169 /* Check the parameters */
<> 144:ef7eb2e8f9f7 170 assert_param(IS_TSC_ALL_INSTANCE(htsc->Instance));
<> 144:ef7eb2e8f9f7 171 assert_param(IS_TSC_CTPH(htsc->Init.CTPulseHighLength));
<> 144:ef7eb2e8f9f7 172 assert_param(IS_TSC_CTPL(htsc->Init.CTPulseLowLength));
<> 144:ef7eb2e8f9f7 173 assert_param(IS_TSC_SS(htsc->Init.SpreadSpectrum));
<> 144:ef7eb2e8f9f7 174 assert_param(IS_TSC_SSD(htsc->Init.SpreadSpectrumDeviation));
<> 144:ef7eb2e8f9f7 175 assert_param(IS_TSC_SS_PRESC(htsc->Init.SpreadSpectrumPrescaler));
<> 144:ef7eb2e8f9f7 176 assert_param(IS_TSC_PG_PRESC(htsc->Init.PulseGeneratorPrescaler));
<> 144:ef7eb2e8f9f7 177 assert_param(IS_TSC_MCV(htsc->Init.MaxCountValue));
<> 144:ef7eb2e8f9f7 178 assert_param(IS_TSC_IODEF(htsc->Init.IODefaultMode));
<> 144:ef7eb2e8f9f7 179 assert_param(IS_TSC_SYNC_POL(htsc->Init.SynchroPinPolarity));
<> 144:ef7eb2e8f9f7 180 assert_param(IS_TSC_ACQ_MODE(htsc->Init.AcquisitionMode));
<> 144:ef7eb2e8f9f7 181 assert_param(IS_TSC_MCE_IT(htsc->Init.MaxCountInterrupt));
<> 144:ef7eb2e8f9f7 182
<> 144:ef7eb2e8f9f7 183 if(htsc->State == HAL_TSC_STATE_RESET)
<> 144:ef7eb2e8f9f7 184 {
<> 144:ef7eb2e8f9f7 185 /* Allocate lock resource and initialize it */
<> 144:ef7eb2e8f9f7 186 htsc->Lock = HAL_UNLOCKED;
<> 144:ef7eb2e8f9f7 187 }
<> 144:ef7eb2e8f9f7 188
<> 144:ef7eb2e8f9f7 189 /* Initialize the TSC state */
<> 144:ef7eb2e8f9f7 190 htsc->State = HAL_TSC_STATE_BUSY;
<> 144:ef7eb2e8f9f7 191
<> 144:ef7eb2e8f9f7 192 /* Init the low level hardware : GPIO, CLOCK, CORTEX */
<> 144:ef7eb2e8f9f7 193 HAL_TSC_MspInit(htsc);
<> 144:ef7eb2e8f9f7 194
<> 144:ef7eb2e8f9f7 195 /*--------------------------------------------------------------------------*/
<> 144:ef7eb2e8f9f7 196 /* Set TSC parameters */
<> 144:ef7eb2e8f9f7 197
<> 144:ef7eb2e8f9f7 198 /* Enable TSC */
<> 144:ef7eb2e8f9f7 199 htsc->Instance->CR = TSC_CR_TSCE;
<> 144:ef7eb2e8f9f7 200
<> 144:ef7eb2e8f9f7 201 /* Set all functions */
<> 144:ef7eb2e8f9f7 202 htsc->Instance->CR |= (htsc->Init.CTPulseHighLength |
<> 144:ef7eb2e8f9f7 203 htsc->Init.CTPulseLowLength |
<> 151:5eaa88a5bcc7 204 (uint32_t)(htsc->Init.SpreadSpectrumDeviation << 17U) |
<> 144:ef7eb2e8f9f7 205 htsc->Init.SpreadSpectrumPrescaler |
<> 144:ef7eb2e8f9f7 206 htsc->Init.PulseGeneratorPrescaler |
<> 144:ef7eb2e8f9f7 207 htsc->Init.MaxCountValue |
<> 144:ef7eb2e8f9f7 208 htsc->Init.SynchroPinPolarity |
<> 144:ef7eb2e8f9f7 209 htsc->Init.AcquisitionMode);
<> 144:ef7eb2e8f9f7 210
<> 144:ef7eb2e8f9f7 211 /* Spread spectrum */
<> 144:ef7eb2e8f9f7 212 if (htsc->Init.SpreadSpectrum == ENABLE)
<> 144:ef7eb2e8f9f7 213 {
<> 144:ef7eb2e8f9f7 214 htsc->Instance->CR |= TSC_CR_SSE;
<> 144:ef7eb2e8f9f7 215 }
<> 144:ef7eb2e8f9f7 216
<> 144:ef7eb2e8f9f7 217 /* Disable Schmitt trigger hysteresis on all used TSC IOs */
<> 144:ef7eb2e8f9f7 218 htsc->Instance->IOHCR = (uint32_t)(~(htsc->Init.ChannelIOs | htsc->Init.ShieldIOs | htsc->Init.SamplingIOs));
<> 144:ef7eb2e8f9f7 219
<> 144:ef7eb2e8f9f7 220 /* Set channel and shield IOs */
<> 144:ef7eb2e8f9f7 221 htsc->Instance->IOCCR = (htsc->Init.ChannelIOs | htsc->Init.ShieldIOs);
<> 144:ef7eb2e8f9f7 222
<> 144:ef7eb2e8f9f7 223 /* Set sampling IOs */
<> 144:ef7eb2e8f9f7 224 htsc->Instance->IOSCR = htsc->Init.SamplingIOs;
<> 144:ef7eb2e8f9f7 225
<> 144:ef7eb2e8f9f7 226 /* Set the groups to be acquired */
<> 144:ef7eb2e8f9f7 227 htsc->Instance->IOGCSR = TSC_extract_groups(htsc->Init.ChannelIOs);
<> 144:ef7eb2e8f9f7 228
<> 144:ef7eb2e8f9f7 229 /* Clear interrupts */
<> 144:ef7eb2e8f9f7 230 htsc->Instance->IER &= (uint32_t)(~(TSC_IT_EOA | TSC_IT_MCE));
<> 144:ef7eb2e8f9f7 231
<> 144:ef7eb2e8f9f7 232 /* Clear flags */
<> 144:ef7eb2e8f9f7 233 htsc->Instance->ICR = (TSC_FLAG_EOA | TSC_FLAG_MCE);
<> 144:ef7eb2e8f9f7 234
<> 144:ef7eb2e8f9f7 235 /*--------------------------------------------------------------------------*/
<> 144:ef7eb2e8f9f7 236
<> 144:ef7eb2e8f9f7 237 /* Initialize the TSC state */
<> 144:ef7eb2e8f9f7 238 htsc->State = HAL_TSC_STATE_READY;
<> 144:ef7eb2e8f9f7 239
<> 144:ef7eb2e8f9f7 240 /* Return function status */
<> 144:ef7eb2e8f9f7 241 return HAL_OK;
<> 144:ef7eb2e8f9f7 242 }
<> 144:ef7eb2e8f9f7 243
<> 144:ef7eb2e8f9f7 244 /**
<> 144:ef7eb2e8f9f7 245 * @brief Deinitializes the TSC peripheral registers to their default reset values.
<> 144:ef7eb2e8f9f7 246 * @param htsc: TSC handle
<> 144:ef7eb2e8f9f7 247 * @retval HAL status
<> 144:ef7eb2e8f9f7 248 */
<> 144:ef7eb2e8f9f7 249 HAL_StatusTypeDef HAL_TSC_DeInit(TSC_HandleTypeDef* htsc)
<> 144:ef7eb2e8f9f7 250 {
<> 144:ef7eb2e8f9f7 251 /* Check TSC handle allocation */
<> 144:ef7eb2e8f9f7 252 if (htsc == NULL)
<> 144:ef7eb2e8f9f7 253 {
<> 144:ef7eb2e8f9f7 254 return HAL_ERROR;
<> 144:ef7eb2e8f9f7 255 }
<> 144:ef7eb2e8f9f7 256
<> 144:ef7eb2e8f9f7 257 /* Check the parameters */
<> 144:ef7eb2e8f9f7 258 assert_param(IS_TSC_ALL_INSTANCE(htsc->Instance));
<> 144:ef7eb2e8f9f7 259
<> 144:ef7eb2e8f9f7 260 /* Change TSC state */
<> 144:ef7eb2e8f9f7 261 htsc->State = HAL_TSC_STATE_BUSY;
<> 144:ef7eb2e8f9f7 262
<> 144:ef7eb2e8f9f7 263 /* DeInit the low level hardware */
<> 144:ef7eb2e8f9f7 264 HAL_TSC_MspDeInit(htsc);
<> 144:ef7eb2e8f9f7 265
<> 144:ef7eb2e8f9f7 266 /* Change TSC state */
<> 144:ef7eb2e8f9f7 267 htsc->State = HAL_TSC_STATE_RESET;
<> 144:ef7eb2e8f9f7 268
<> 144:ef7eb2e8f9f7 269 /* Process unlocked */
<> 144:ef7eb2e8f9f7 270 __HAL_UNLOCK(htsc);
<> 144:ef7eb2e8f9f7 271
<> 144:ef7eb2e8f9f7 272 /* Return function status */
<> 144:ef7eb2e8f9f7 273 return HAL_OK;
<> 144:ef7eb2e8f9f7 274 }
<> 144:ef7eb2e8f9f7 275
<> 144:ef7eb2e8f9f7 276 /**
<> 144:ef7eb2e8f9f7 277 * @brief Initializes the TSC MSP.
<> 144:ef7eb2e8f9f7 278 * @param htsc: pointer to a TSC_HandleTypeDef structure that contains
<> 144:ef7eb2e8f9f7 279 * the configuration information for the specified TSC.
<> 144:ef7eb2e8f9f7 280 * @retval None
<> 144:ef7eb2e8f9f7 281 */
<> 144:ef7eb2e8f9f7 282 __weak void HAL_TSC_MspInit(TSC_HandleTypeDef* htsc)
<> 144:ef7eb2e8f9f7 283 {
<> 144:ef7eb2e8f9f7 284 /* Prevent unused argument(s) compilation warning */
<> 144:ef7eb2e8f9f7 285 UNUSED(htsc);
<> 144:ef7eb2e8f9f7 286
<> 144:ef7eb2e8f9f7 287 /* NOTE : This function should not be modified, when the callback is needed,
<> 144:ef7eb2e8f9f7 288 the HAL_TSC_MspInit could be implemented in the user file.
<> 144:ef7eb2e8f9f7 289 */
<> 144:ef7eb2e8f9f7 290 }
<> 144:ef7eb2e8f9f7 291
<> 144:ef7eb2e8f9f7 292 /**
<> 144:ef7eb2e8f9f7 293 * @brief DeInitializes the TSC MSP.
<> 144:ef7eb2e8f9f7 294 * @param htsc: pointer to a TSC_HandleTypeDef structure that contains
<> 144:ef7eb2e8f9f7 295 * the configuration information for the specified TSC.
<> 144:ef7eb2e8f9f7 296 * @retval None
<> 144:ef7eb2e8f9f7 297 */
<> 144:ef7eb2e8f9f7 298 __weak void HAL_TSC_MspDeInit(TSC_HandleTypeDef* htsc)
<> 144:ef7eb2e8f9f7 299 {
<> 144:ef7eb2e8f9f7 300 /* Prevent unused argument(s) compilation warning */
<> 144:ef7eb2e8f9f7 301 UNUSED(htsc);
<> 144:ef7eb2e8f9f7 302
<> 144:ef7eb2e8f9f7 303 /* NOTE : This function should not be modified, when the callback is needed,
<> 144:ef7eb2e8f9f7 304 the HAL_TSC_MspDeInit could be implemented in the user file.
<> 144:ef7eb2e8f9f7 305 */
<> 144:ef7eb2e8f9f7 306 }
<> 144:ef7eb2e8f9f7 307
<> 144:ef7eb2e8f9f7 308 /**
<> 144:ef7eb2e8f9f7 309 * @}
<> 144:ef7eb2e8f9f7 310 */
<> 144:ef7eb2e8f9f7 311
<> 144:ef7eb2e8f9f7 312 /** @addtogroup HAL_TSC_Exported_Functions_Group2
<> 144:ef7eb2e8f9f7 313 * @brief IO operation functions
<> 144:ef7eb2e8f9f7 314 *
<> 144:ef7eb2e8f9f7 315 @verbatim
<> 144:ef7eb2e8f9f7 316 ===============================================================================
<> 144:ef7eb2e8f9f7 317 ##### IO Operation functions #####
<> 144:ef7eb2e8f9f7 318 ===============================================================================
<> 144:ef7eb2e8f9f7 319 [..] This section provides functions allowing to:
<> 144:ef7eb2e8f9f7 320 (+) Start acquisition in polling mode.
<> 144:ef7eb2e8f9f7 321 (+) Start acquisition in interrupt mode.
<> 144:ef7eb2e8f9f7 322 (+) Stop conversion in polling mode.
<> 144:ef7eb2e8f9f7 323 (+) Stop conversion in interrupt mode.
<> 144:ef7eb2e8f9f7 324 (+) Get group acquisition status.
<> 144:ef7eb2e8f9f7 325 (+) Get group acquisition value.
<> 144:ef7eb2e8f9f7 326 @endverbatim
<> 144:ef7eb2e8f9f7 327 * @{
<> 144:ef7eb2e8f9f7 328 */
<> 144:ef7eb2e8f9f7 329
<> 144:ef7eb2e8f9f7 330 /**
<> 144:ef7eb2e8f9f7 331 * @brief Starts the acquisition.
<> 144:ef7eb2e8f9f7 332 * @param htsc: pointer to a TSC_HandleTypeDef structure that contains
<> 144:ef7eb2e8f9f7 333 * the configuration information for the specified TSC.
<> 144:ef7eb2e8f9f7 334 * @retval HAL status
<> 144:ef7eb2e8f9f7 335 */
<> 144:ef7eb2e8f9f7 336 HAL_StatusTypeDef HAL_TSC_Start(TSC_HandleTypeDef* htsc)
<> 144:ef7eb2e8f9f7 337 {
<> 144:ef7eb2e8f9f7 338 /* Check the parameters */
<> 144:ef7eb2e8f9f7 339 assert_param(IS_TSC_ALL_INSTANCE(htsc->Instance));
<> 144:ef7eb2e8f9f7 340
<> 144:ef7eb2e8f9f7 341 /* Process locked */
<> 144:ef7eb2e8f9f7 342 __HAL_LOCK(htsc);
<> 144:ef7eb2e8f9f7 343
<> 144:ef7eb2e8f9f7 344 /* Change TSC state */
<> 144:ef7eb2e8f9f7 345 htsc->State = HAL_TSC_STATE_BUSY;
<> 144:ef7eb2e8f9f7 346
<> 144:ef7eb2e8f9f7 347 /* Clear interrupts */
<> 144:ef7eb2e8f9f7 348 __HAL_TSC_DISABLE_IT(htsc, (TSC_IT_EOA | TSC_IT_MCE));
<> 144:ef7eb2e8f9f7 349
<> 144:ef7eb2e8f9f7 350 /* Clear flags */
<> 144:ef7eb2e8f9f7 351 __HAL_TSC_CLEAR_FLAG(htsc, (TSC_FLAG_EOA | TSC_FLAG_MCE));
<> 144:ef7eb2e8f9f7 352
<> 144:ef7eb2e8f9f7 353 /* Set touch sensing IOs not acquired to the specified IODefaultMode */
<> 144:ef7eb2e8f9f7 354 if (htsc->Init.IODefaultMode == TSC_IODEF_OUT_PP_LOW)
<> 144:ef7eb2e8f9f7 355 {
<> 144:ef7eb2e8f9f7 356 __HAL_TSC_SET_IODEF_OUTPPLOW(htsc);
<> 144:ef7eb2e8f9f7 357 }
<> 144:ef7eb2e8f9f7 358 else
<> 144:ef7eb2e8f9f7 359 {
<> 144:ef7eb2e8f9f7 360 __HAL_TSC_SET_IODEF_INFLOAT(htsc);
<> 144:ef7eb2e8f9f7 361 }
<> 144:ef7eb2e8f9f7 362
<> 144:ef7eb2e8f9f7 363 /* Launch the acquisition */
<> 144:ef7eb2e8f9f7 364 __HAL_TSC_START_ACQ(htsc);
<> 144:ef7eb2e8f9f7 365
<> 144:ef7eb2e8f9f7 366 /* Process unlocked */
<> 144:ef7eb2e8f9f7 367 __HAL_UNLOCK(htsc);
<> 144:ef7eb2e8f9f7 368
<> 144:ef7eb2e8f9f7 369 /* Return function status */
<> 144:ef7eb2e8f9f7 370 return HAL_OK;
<> 144:ef7eb2e8f9f7 371 }
<> 144:ef7eb2e8f9f7 372
<> 144:ef7eb2e8f9f7 373 /**
<> 144:ef7eb2e8f9f7 374 * @brief Enables the interrupt and starts the acquisition
<> 144:ef7eb2e8f9f7 375 * @param htsc: pointer to a TSC_HandleTypeDef structure that contains
<> 144:ef7eb2e8f9f7 376 * the configuration information for the specified TSC.
<> 144:ef7eb2e8f9f7 377 * @retval HAL status.
<> 144:ef7eb2e8f9f7 378 */
<> 144:ef7eb2e8f9f7 379 HAL_StatusTypeDef HAL_TSC_Start_IT(TSC_HandleTypeDef* htsc)
<> 144:ef7eb2e8f9f7 380 {
<> 144:ef7eb2e8f9f7 381 /* Check the parameters */
<> 144:ef7eb2e8f9f7 382 assert_param(IS_TSC_ALL_INSTANCE(htsc->Instance));
<> 144:ef7eb2e8f9f7 383 assert_param(IS_TSC_MCE_IT(htsc->Init.MaxCountInterrupt));
<> 144:ef7eb2e8f9f7 384
<> 144:ef7eb2e8f9f7 385 /* Process locked */
<> 144:ef7eb2e8f9f7 386 __HAL_LOCK(htsc);
<> 144:ef7eb2e8f9f7 387
<> 144:ef7eb2e8f9f7 388 /* Change TSC state */
<> 144:ef7eb2e8f9f7 389 htsc->State = HAL_TSC_STATE_BUSY;
<> 144:ef7eb2e8f9f7 390
<> 144:ef7eb2e8f9f7 391 /* Enable end of acquisition interrupt */
<> 144:ef7eb2e8f9f7 392 __HAL_TSC_ENABLE_IT(htsc, TSC_IT_EOA);
<> 144:ef7eb2e8f9f7 393
<> 144:ef7eb2e8f9f7 394 /* Enable max count error interrupt (optional) */
<> 144:ef7eb2e8f9f7 395 if (htsc->Init.MaxCountInterrupt == ENABLE)
<> 144:ef7eb2e8f9f7 396 {
<> 144:ef7eb2e8f9f7 397 __HAL_TSC_ENABLE_IT(htsc, TSC_IT_MCE);
<> 144:ef7eb2e8f9f7 398 }
<> 144:ef7eb2e8f9f7 399 else
<> 144:ef7eb2e8f9f7 400 {
<> 144:ef7eb2e8f9f7 401 __HAL_TSC_DISABLE_IT(htsc, TSC_IT_MCE);
<> 144:ef7eb2e8f9f7 402 }
<> 144:ef7eb2e8f9f7 403
<> 144:ef7eb2e8f9f7 404 /* Clear flags */
<> 144:ef7eb2e8f9f7 405 __HAL_TSC_CLEAR_FLAG(htsc, (TSC_FLAG_EOA | TSC_FLAG_MCE));
<> 144:ef7eb2e8f9f7 406
<> 144:ef7eb2e8f9f7 407 /* Set touch sensing IOs not acquired to the specified IODefaultMode */
<> 144:ef7eb2e8f9f7 408 if (htsc->Init.IODefaultMode == TSC_IODEF_OUT_PP_LOW)
<> 144:ef7eb2e8f9f7 409 {
<> 144:ef7eb2e8f9f7 410 __HAL_TSC_SET_IODEF_OUTPPLOW(htsc);
<> 144:ef7eb2e8f9f7 411 }
<> 144:ef7eb2e8f9f7 412 else
<> 144:ef7eb2e8f9f7 413 {
<> 144:ef7eb2e8f9f7 414 __HAL_TSC_SET_IODEF_INFLOAT(htsc);
<> 144:ef7eb2e8f9f7 415 }
<> 144:ef7eb2e8f9f7 416
<> 144:ef7eb2e8f9f7 417 /* Launch the acquisition */
<> 144:ef7eb2e8f9f7 418 __HAL_TSC_START_ACQ(htsc);
<> 144:ef7eb2e8f9f7 419
<> 144:ef7eb2e8f9f7 420 /* Process unlocked */
<> 144:ef7eb2e8f9f7 421 __HAL_UNLOCK(htsc);
<> 144:ef7eb2e8f9f7 422
<> 144:ef7eb2e8f9f7 423 /* Return function status */
<> 144:ef7eb2e8f9f7 424 return HAL_OK;
<> 144:ef7eb2e8f9f7 425 }
<> 144:ef7eb2e8f9f7 426
<> 144:ef7eb2e8f9f7 427 /**
<> 144:ef7eb2e8f9f7 428 * @brief Stops the acquisition previously launched in polling mode
<> 144:ef7eb2e8f9f7 429 * @param htsc: pointer to a TSC_HandleTypeDef structure that contains
<> 144:ef7eb2e8f9f7 430 * the configuration information for the specified TSC.
<> 144:ef7eb2e8f9f7 431 * @retval HAL status
<> 144:ef7eb2e8f9f7 432 */
<> 144:ef7eb2e8f9f7 433 HAL_StatusTypeDef HAL_TSC_Stop(TSC_HandleTypeDef* htsc)
<> 144:ef7eb2e8f9f7 434 {
<> 144:ef7eb2e8f9f7 435 /* Check the parameters */
<> 144:ef7eb2e8f9f7 436 assert_param(IS_TSC_ALL_INSTANCE(htsc->Instance));
<> 144:ef7eb2e8f9f7 437
<> 144:ef7eb2e8f9f7 438 /* Process locked */
<> 144:ef7eb2e8f9f7 439 __HAL_LOCK(htsc);
<> 144:ef7eb2e8f9f7 440
<> 144:ef7eb2e8f9f7 441 /* Stop the acquisition */
<> 144:ef7eb2e8f9f7 442 __HAL_TSC_STOP_ACQ(htsc);
<> 144:ef7eb2e8f9f7 443
<> 144:ef7eb2e8f9f7 444 /* Set touch sensing IOs in low power mode (output push-pull) */
<> 144:ef7eb2e8f9f7 445 __HAL_TSC_SET_IODEF_OUTPPLOW(htsc);
<> 144:ef7eb2e8f9f7 446
<> 144:ef7eb2e8f9f7 447 /* Clear flags */
<> 144:ef7eb2e8f9f7 448 __HAL_TSC_CLEAR_FLAG(htsc, (TSC_FLAG_EOA | TSC_FLAG_MCE));
<> 144:ef7eb2e8f9f7 449
<> 144:ef7eb2e8f9f7 450 /* Change TSC state */
<> 144:ef7eb2e8f9f7 451 htsc->State = HAL_TSC_STATE_READY;
<> 144:ef7eb2e8f9f7 452
<> 144:ef7eb2e8f9f7 453 /* Process unlocked */
<> 144:ef7eb2e8f9f7 454 __HAL_UNLOCK(htsc);
<> 144:ef7eb2e8f9f7 455
<> 144:ef7eb2e8f9f7 456 /* Return function status */
<> 144:ef7eb2e8f9f7 457 return HAL_OK;
<> 144:ef7eb2e8f9f7 458 }
<> 144:ef7eb2e8f9f7 459
<> 144:ef7eb2e8f9f7 460 /**
<> 144:ef7eb2e8f9f7 461 * @brief Stops the acquisition previously launched in interrupt mode
<> 144:ef7eb2e8f9f7 462 * @param htsc: pointer to a TSC_HandleTypeDef structure that contains
<> 144:ef7eb2e8f9f7 463 * the configuration information for the specified TSC.
<> 144:ef7eb2e8f9f7 464 * @retval HAL status
<> 144:ef7eb2e8f9f7 465 */
<> 144:ef7eb2e8f9f7 466 HAL_StatusTypeDef HAL_TSC_Stop_IT(TSC_HandleTypeDef* htsc)
<> 144:ef7eb2e8f9f7 467 {
<> 144:ef7eb2e8f9f7 468 /* Check the parameters */
<> 144:ef7eb2e8f9f7 469 assert_param(IS_TSC_ALL_INSTANCE(htsc->Instance));
<> 144:ef7eb2e8f9f7 470
<> 144:ef7eb2e8f9f7 471 /* Process locked */
<> 144:ef7eb2e8f9f7 472 __HAL_LOCK(htsc);
<> 144:ef7eb2e8f9f7 473
<> 144:ef7eb2e8f9f7 474 /* Stop the acquisition */
<> 144:ef7eb2e8f9f7 475 __HAL_TSC_STOP_ACQ(htsc);
<> 144:ef7eb2e8f9f7 476
<> 144:ef7eb2e8f9f7 477 /* Set touch sensing IOs in low power mode (output push-pull) */
<> 144:ef7eb2e8f9f7 478 __HAL_TSC_SET_IODEF_OUTPPLOW(htsc);
<> 144:ef7eb2e8f9f7 479
<> 144:ef7eb2e8f9f7 480 /* Disable interrupts */
<> 144:ef7eb2e8f9f7 481 __HAL_TSC_DISABLE_IT(htsc, (TSC_IT_EOA | TSC_IT_MCE));
<> 144:ef7eb2e8f9f7 482
<> 144:ef7eb2e8f9f7 483 /* Clear flags */
<> 144:ef7eb2e8f9f7 484 __HAL_TSC_CLEAR_FLAG(htsc, (TSC_FLAG_EOA | TSC_FLAG_MCE));
<> 144:ef7eb2e8f9f7 485
<> 144:ef7eb2e8f9f7 486 /* Change TSC state */
<> 144:ef7eb2e8f9f7 487 htsc->State = HAL_TSC_STATE_READY;
<> 144:ef7eb2e8f9f7 488
<> 144:ef7eb2e8f9f7 489 /* Process unlocked */
<> 144:ef7eb2e8f9f7 490 __HAL_UNLOCK(htsc);
<> 144:ef7eb2e8f9f7 491
<> 144:ef7eb2e8f9f7 492 /* Return function status */
<> 144:ef7eb2e8f9f7 493 return HAL_OK;
<> 144:ef7eb2e8f9f7 494 }
<> 144:ef7eb2e8f9f7 495
<> 144:ef7eb2e8f9f7 496 /**
<> 144:ef7eb2e8f9f7 497 * @brief Gets the acquisition status for a group
<> 144:ef7eb2e8f9f7 498 * @param htsc: pointer to a TSC_HandleTypeDef structure that contains
<> 144:ef7eb2e8f9f7 499 * the configuration information for the specified TSC.
<> 144:ef7eb2e8f9f7 500 * @param gx_index: Index of the group
<> 144:ef7eb2e8f9f7 501 * @retval Group status
<> 144:ef7eb2e8f9f7 502 */
<> 144:ef7eb2e8f9f7 503 TSC_GroupStatusTypeDef HAL_TSC_GroupGetStatus(TSC_HandleTypeDef* htsc, uint32_t gx_index)
<> 144:ef7eb2e8f9f7 504 {
<> 144:ef7eb2e8f9f7 505 /* Check the parameters */
<> 144:ef7eb2e8f9f7 506 assert_param(IS_TSC_ALL_INSTANCE(htsc->Instance));
<> 144:ef7eb2e8f9f7 507 assert_param(IS_TSC_GROUP_INDEX(gx_index));
<> 144:ef7eb2e8f9f7 508
<> 144:ef7eb2e8f9f7 509 /* Return the group status */
<> 144:ef7eb2e8f9f7 510 return(__HAL_TSC_GET_GROUP_STATUS(htsc, gx_index));
<> 144:ef7eb2e8f9f7 511 }
<> 144:ef7eb2e8f9f7 512
<> 144:ef7eb2e8f9f7 513 /**
<> 144:ef7eb2e8f9f7 514 * @brief Gets the acquisition measure for a group
<> 144:ef7eb2e8f9f7 515 * @param htsc: pointer to a TSC_HandleTypeDef structure that contains
<> 144:ef7eb2e8f9f7 516 * the configuration information for the specified TSC.
<> 144:ef7eb2e8f9f7 517 * @param gx_index: Index of the group
<> 144:ef7eb2e8f9f7 518 * @retval Acquisition measure
<> 144:ef7eb2e8f9f7 519 */
<> 144:ef7eb2e8f9f7 520 uint32_t HAL_TSC_GroupGetValue(TSC_HandleTypeDef* htsc, uint32_t gx_index)
<> 144:ef7eb2e8f9f7 521 {
<> 144:ef7eb2e8f9f7 522 /* Check the parameters */
<> 144:ef7eb2e8f9f7 523 assert_param(IS_TSC_ALL_INSTANCE(htsc->Instance));
<> 144:ef7eb2e8f9f7 524 assert_param(IS_TSC_GROUP_INDEX(gx_index));
<> 144:ef7eb2e8f9f7 525
<> 144:ef7eb2e8f9f7 526 /* Return the group acquisition counter */
<> 144:ef7eb2e8f9f7 527 return htsc->Instance->IOGXCR[gx_index];
<> 144:ef7eb2e8f9f7 528 }
<> 144:ef7eb2e8f9f7 529
<> 144:ef7eb2e8f9f7 530 /**
<> 144:ef7eb2e8f9f7 531 * @}
<> 144:ef7eb2e8f9f7 532 */
<> 144:ef7eb2e8f9f7 533
<> 144:ef7eb2e8f9f7 534 /** @addtogroup HAL_TSC_Exported_Functions_Group3
<> 144:ef7eb2e8f9f7 535 * @brief Peripheral Control functions
<> 144:ef7eb2e8f9f7 536 *
<> 144:ef7eb2e8f9f7 537 @verbatim
<> 144:ef7eb2e8f9f7 538 ===============================================================================
<> 144:ef7eb2e8f9f7 539 ##### Peripheral Control functions #####
<> 144:ef7eb2e8f9f7 540 ===============================================================================
<> 144:ef7eb2e8f9f7 541 [..] This section provides functions allowing to:
<> 144:ef7eb2e8f9f7 542 (+) Configure TSC IOs
<> 144:ef7eb2e8f9f7 543 (+) Discharge TSC IOs
<> 144:ef7eb2e8f9f7 544 @endverbatim
<> 144:ef7eb2e8f9f7 545 * @{
<> 144:ef7eb2e8f9f7 546 */
<> 144:ef7eb2e8f9f7 547
<> 144:ef7eb2e8f9f7 548 /**
<> 144:ef7eb2e8f9f7 549 * @brief Configures TSC IOs
<> 144:ef7eb2e8f9f7 550 * @param htsc: pointer to a TSC_HandleTypeDef structure that contains
<> 144:ef7eb2e8f9f7 551 * the configuration information for the specified TSC.
<> 144:ef7eb2e8f9f7 552 * @param config: pointer to the configuration structure.
<> 144:ef7eb2e8f9f7 553 * @retval HAL status
<> 144:ef7eb2e8f9f7 554 */
<> 144:ef7eb2e8f9f7 555 HAL_StatusTypeDef HAL_TSC_IOConfig(TSC_HandleTypeDef* htsc, TSC_IOConfigTypeDef* config)
<> 144:ef7eb2e8f9f7 556 {
<> 144:ef7eb2e8f9f7 557 /* Check the parameters */
<> 144:ef7eb2e8f9f7 558 assert_param(IS_TSC_ALL_INSTANCE(htsc->Instance));
<> 144:ef7eb2e8f9f7 559
<> 144:ef7eb2e8f9f7 560 /* Process locked */
<> 144:ef7eb2e8f9f7 561 __HAL_LOCK(htsc);
<> 144:ef7eb2e8f9f7 562
<> 144:ef7eb2e8f9f7 563 /* Stop acquisition */
<> 144:ef7eb2e8f9f7 564 __HAL_TSC_STOP_ACQ(htsc);
<> 144:ef7eb2e8f9f7 565
<> 144:ef7eb2e8f9f7 566 /* Disable Schmitt trigger hysteresis on all used TSC IOs */
<> 144:ef7eb2e8f9f7 567 htsc->Instance->IOHCR = (uint32_t)(~(config->ChannelIOs | config->ShieldIOs | config->SamplingIOs));
<> 144:ef7eb2e8f9f7 568
<> 144:ef7eb2e8f9f7 569 /* Set channel and shield IOs */
<> 144:ef7eb2e8f9f7 570 htsc->Instance->IOCCR = (config->ChannelIOs | config->ShieldIOs);
<> 144:ef7eb2e8f9f7 571
<> 144:ef7eb2e8f9f7 572 /* Set sampling IOs */
<> 144:ef7eb2e8f9f7 573 htsc->Instance->IOSCR = config->SamplingIOs;
<> 144:ef7eb2e8f9f7 574
<> 144:ef7eb2e8f9f7 575 /* Set groups to be acquired */
<> 144:ef7eb2e8f9f7 576 htsc->Instance->IOGCSR = TSC_extract_groups(config->ChannelIOs);
<> 144:ef7eb2e8f9f7 577
<> 144:ef7eb2e8f9f7 578 /* Process unlocked */
<> 144:ef7eb2e8f9f7 579 __HAL_UNLOCK(htsc);
<> 144:ef7eb2e8f9f7 580
<> 144:ef7eb2e8f9f7 581 /* Return function status */
<> 144:ef7eb2e8f9f7 582 return HAL_OK;
<> 144:ef7eb2e8f9f7 583 }
<> 144:ef7eb2e8f9f7 584
<> 144:ef7eb2e8f9f7 585 /**
<> 144:ef7eb2e8f9f7 586 * @brief Discharge TSC IOs
<> 144:ef7eb2e8f9f7 587 * @param htsc: pointer to a TSC_HandleTypeDef structure that contains
<> 144:ef7eb2e8f9f7 588 * the configuration information for the specified TSC.
<> 144:ef7eb2e8f9f7 589 * @param choice: enable or disable
<> 144:ef7eb2e8f9f7 590 * @retval HAL status
<> 144:ef7eb2e8f9f7 591 */
<> 144:ef7eb2e8f9f7 592 HAL_StatusTypeDef HAL_TSC_IODischarge(TSC_HandleTypeDef* htsc, uint32_t choice)
<> 144:ef7eb2e8f9f7 593 {
<> 144:ef7eb2e8f9f7 594 /* Check the parameters */
<> 144:ef7eb2e8f9f7 595 assert_param(IS_TSC_ALL_INSTANCE(htsc->Instance));
<> 144:ef7eb2e8f9f7 596
<> 144:ef7eb2e8f9f7 597 /* Process locked */
<> 144:ef7eb2e8f9f7 598 __HAL_LOCK(htsc);
<> 144:ef7eb2e8f9f7 599
<> 144:ef7eb2e8f9f7 600 if (choice == ENABLE)
<> 144:ef7eb2e8f9f7 601 {
<> 144:ef7eb2e8f9f7 602 __HAL_TSC_SET_IODEF_OUTPPLOW(htsc);
<> 144:ef7eb2e8f9f7 603 }
<> 144:ef7eb2e8f9f7 604 else
<> 144:ef7eb2e8f9f7 605 {
<> 144:ef7eb2e8f9f7 606 __HAL_TSC_SET_IODEF_INFLOAT(htsc);
<> 144:ef7eb2e8f9f7 607 }
<> 144:ef7eb2e8f9f7 608
<> 144:ef7eb2e8f9f7 609 /* Process unlocked */
<> 144:ef7eb2e8f9f7 610 __HAL_UNLOCK(htsc);
<> 144:ef7eb2e8f9f7 611
<> 144:ef7eb2e8f9f7 612 /* Return the group acquisition counter */
<> 144:ef7eb2e8f9f7 613 return HAL_OK;
<> 144:ef7eb2e8f9f7 614 }
<> 144:ef7eb2e8f9f7 615
<> 144:ef7eb2e8f9f7 616 /**
<> 144:ef7eb2e8f9f7 617 * @}
<> 144:ef7eb2e8f9f7 618 */
<> 144:ef7eb2e8f9f7 619
<> 144:ef7eb2e8f9f7 620 /** @addtogroup HAL_TSC_Exported_Functions_Group4
<> 144:ef7eb2e8f9f7 621 * @brief State functions
<> 144:ef7eb2e8f9f7 622 *
<> 144:ef7eb2e8f9f7 623 @verbatim
<> 144:ef7eb2e8f9f7 624 ===============================================================================
<> 144:ef7eb2e8f9f7 625 ##### State functions #####
<> 144:ef7eb2e8f9f7 626 ===============================================================================
<> 144:ef7eb2e8f9f7 627 [..]
<> 144:ef7eb2e8f9f7 628 This subsection provides functions allowing to
<> 144:ef7eb2e8f9f7 629 (+) Get TSC state.
<> 144:ef7eb2e8f9f7 630 (+) Poll for acquisition completed.
<> 144:ef7eb2e8f9f7 631 (+) Handles TSC interrupt request.
<> 144:ef7eb2e8f9f7 632
<> 144:ef7eb2e8f9f7 633 @endverbatim
<> 144:ef7eb2e8f9f7 634 * @{
<> 144:ef7eb2e8f9f7 635 */
<> 144:ef7eb2e8f9f7 636
<> 144:ef7eb2e8f9f7 637 /**
<> 144:ef7eb2e8f9f7 638 * @brief Return the TSC state
<> 144:ef7eb2e8f9f7 639 * @param htsc: pointer to a TSC_HandleTypeDef structure that contains
<> 144:ef7eb2e8f9f7 640 * the configuration information for the specified TSC.
<> 144:ef7eb2e8f9f7 641 * @retval HAL state
<> 144:ef7eb2e8f9f7 642 */
<> 144:ef7eb2e8f9f7 643 HAL_TSC_StateTypeDef HAL_TSC_GetState(TSC_HandleTypeDef* htsc)
<> 144:ef7eb2e8f9f7 644 {
<> 144:ef7eb2e8f9f7 645 /* Check the parameters */
<> 144:ef7eb2e8f9f7 646 assert_param(IS_TSC_ALL_INSTANCE(htsc->Instance));
<> 144:ef7eb2e8f9f7 647
<> 144:ef7eb2e8f9f7 648 if (htsc->State == HAL_TSC_STATE_BUSY)
<> 144:ef7eb2e8f9f7 649 {
<> 144:ef7eb2e8f9f7 650 /* Check end of acquisition flag */
<> 144:ef7eb2e8f9f7 651 if (__HAL_TSC_GET_FLAG(htsc, TSC_FLAG_EOA) != RESET)
<> 144:ef7eb2e8f9f7 652 {
<> 144:ef7eb2e8f9f7 653 /* Check max count error flag */
<> 144:ef7eb2e8f9f7 654 if (__HAL_TSC_GET_FLAG(htsc, TSC_FLAG_MCE) != RESET)
<> 144:ef7eb2e8f9f7 655 {
<> 144:ef7eb2e8f9f7 656 /* Change TSC state */
<> 144:ef7eb2e8f9f7 657 htsc->State = HAL_TSC_STATE_ERROR;
<> 144:ef7eb2e8f9f7 658 }
<> 144:ef7eb2e8f9f7 659 else
<> 144:ef7eb2e8f9f7 660 {
<> 144:ef7eb2e8f9f7 661 /* Change TSC state */
<> 144:ef7eb2e8f9f7 662 htsc->State = HAL_TSC_STATE_READY;
<> 144:ef7eb2e8f9f7 663 }
<> 144:ef7eb2e8f9f7 664 }
<> 144:ef7eb2e8f9f7 665 }
<> 144:ef7eb2e8f9f7 666
<> 144:ef7eb2e8f9f7 667 /* Return TSC state */
<> 144:ef7eb2e8f9f7 668 return htsc->State;
<> 144:ef7eb2e8f9f7 669 }
<> 144:ef7eb2e8f9f7 670
<> 144:ef7eb2e8f9f7 671 /**
<> 144:ef7eb2e8f9f7 672 * @brief Start acquisition and wait until completion
<> 144:ef7eb2e8f9f7 673 * @note There is no need of a timeout parameter as the max count error is already
<> 144:ef7eb2e8f9f7 674 * managed by the TSC peripheral.
<> 144:ef7eb2e8f9f7 675 * @param htsc: pointer to a TSC_HandleTypeDef structure that contains
<> 144:ef7eb2e8f9f7 676 * the configuration information for the specified TSC.
<> 144:ef7eb2e8f9f7 677 * @retval HAL state
<> 144:ef7eb2e8f9f7 678 */
<> 144:ef7eb2e8f9f7 679 HAL_StatusTypeDef HAL_TSC_PollForAcquisition(TSC_HandleTypeDef* htsc)
<> 144:ef7eb2e8f9f7 680 {
<> 144:ef7eb2e8f9f7 681 /* Check the parameters */
<> 144:ef7eb2e8f9f7 682 assert_param(IS_TSC_ALL_INSTANCE(htsc->Instance));
<> 144:ef7eb2e8f9f7 683
<> 144:ef7eb2e8f9f7 684 /* Process locked */
<> 144:ef7eb2e8f9f7 685 __HAL_LOCK(htsc);
<> 144:ef7eb2e8f9f7 686
<> 144:ef7eb2e8f9f7 687 /* Check end of acquisition */
<> 144:ef7eb2e8f9f7 688 while (HAL_TSC_GetState(htsc) == HAL_TSC_STATE_BUSY)
<> 144:ef7eb2e8f9f7 689 {
<> 144:ef7eb2e8f9f7 690 /* The timeout (max count error) is managed by the TSC peripheral itself. */
<> 144:ef7eb2e8f9f7 691 }
<> 144:ef7eb2e8f9f7 692
<> 144:ef7eb2e8f9f7 693 /* Process unlocked */
<> 144:ef7eb2e8f9f7 694 __HAL_UNLOCK(htsc);
<> 144:ef7eb2e8f9f7 695
<> 144:ef7eb2e8f9f7 696 return HAL_OK;
<> 144:ef7eb2e8f9f7 697 }
<> 144:ef7eb2e8f9f7 698
<> 144:ef7eb2e8f9f7 699 /**
<> 144:ef7eb2e8f9f7 700 * @brief Handles TSC interrupt request
<> 144:ef7eb2e8f9f7 701 * @param htsc: pointer to a TSC_HandleTypeDef structure that contains
<> 144:ef7eb2e8f9f7 702 * the configuration information for the specified TSC.
<> 144:ef7eb2e8f9f7 703 * @retval None
<> 144:ef7eb2e8f9f7 704 */
<> 144:ef7eb2e8f9f7 705 void HAL_TSC_IRQHandler(TSC_HandleTypeDef* htsc)
<> 144:ef7eb2e8f9f7 706 {
<> 144:ef7eb2e8f9f7 707 /* Check the parameters */
<> 144:ef7eb2e8f9f7 708 assert_param(IS_TSC_ALL_INSTANCE(htsc->Instance));
<> 144:ef7eb2e8f9f7 709
<> 144:ef7eb2e8f9f7 710 /* Check if the end of acquisition occured */
<> 144:ef7eb2e8f9f7 711 if (__HAL_TSC_GET_FLAG(htsc, TSC_FLAG_EOA) != RESET)
<> 144:ef7eb2e8f9f7 712 {
<> 144:ef7eb2e8f9f7 713 /* Clear EOA flag */
<> 144:ef7eb2e8f9f7 714 __HAL_TSC_CLEAR_FLAG(htsc, TSC_FLAG_EOA);
<> 144:ef7eb2e8f9f7 715 }
<> 144:ef7eb2e8f9f7 716
<> 144:ef7eb2e8f9f7 717 /* Check if max count error occured */
<> 144:ef7eb2e8f9f7 718 if (__HAL_TSC_GET_FLAG(htsc, TSC_FLAG_MCE) != RESET)
<> 144:ef7eb2e8f9f7 719 {
<> 144:ef7eb2e8f9f7 720 /* Clear MCE flag */
<> 144:ef7eb2e8f9f7 721 __HAL_TSC_CLEAR_FLAG(htsc, TSC_FLAG_MCE);
<> 144:ef7eb2e8f9f7 722 /* Change TSC state */
<> 144:ef7eb2e8f9f7 723 htsc->State = HAL_TSC_STATE_ERROR;
<> 144:ef7eb2e8f9f7 724 /* Conversion completed callback */
<> 144:ef7eb2e8f9f7 725 HAL_TSC_ErrorCallback(htsc);
<> 144:ef7eb2e8f9f7 726 }
<> 144:ef7eb2e8f9f7 727 else
<> 144:ef7eb2e8f9f7 728 {
<> 144:ef7eb2e8f9f7 729 /* Change TSC state */
<> 144:ef7eb2e8f9f7 730 htsc->State = HAL_TSC_STATE_READY;
<> 144:ef7eb2e8f9f7 731 /* Conversion completed callback */
<> 144:ef7eb2e8f9f7 732 HAL_TSC_ConvCpltCallback(htsc);
<> 144:ef7eb2e8f9f7 733 }
<> 144:ef7eb2e8f9f7 734 }
<> 144:ef7eb2e8f9f7 735
<> 144:ef7eb2e8f9f7 736 /**
<> 144:ef7eb2e8f9f7 737 * @brief Acquisition completed callback in non blocking mode
<> 144:ef7eb2e8f9f7 738 * @param htsc: pointer to a TSC_HandleTypeDef structure that contains
<> 144:ef7eb2e8f9f7 739 * the configuration information for the specified TSC.
<> 144:ef7eb2e8f9f7 740 * @retval None
<> 144:ef7eb2e8f9f7 741 */
<> 144:ef7eb2e8f9f7 742 __weak void HAL_TSC_ConvCpltCallback(TSC_HandleTypeDef* htsc)
<> 144:ef7eb2e8f9f7 743 {
<> 144:ef7eb2e8f9f7 744 /* Prevent unused argument(s) compilation warning */
<> 144:ef7eb2e8f9f7 745 UNUSED(htsc);
<> 144:ef7eb2e8f9f7 746
<> 144:ef7eb2e8f9f7 747 /* NOTE : This function should not be modified, when the callback is needed,
<> 144:ef7eb2e8f9f7 748 the HAL_TSC_ConvCpltCallback could be implemented in the user file.
<> 144:ef7eb2e8f9f7 749 */
<> 144:ef7eb2e8f9f7 750 }
<> 144:ef7eb2e8f9f7 751
<> 144:ef7eb2e8f9f7 752 /**
<> 144:ef7eb2e8f9f7 753 * @brief Error callback in non blocking mode
<> 144:ef7eb2e8f9f7 754 * @param htsc: pointer to a TSC_HandleTypeDef structure that contains
<> 144:ef7eb2e8f9f7 755 * the configuration information for the specified TSC.
<> 144:ef7eb2e8f9f7 756 * @retval None
<> 144:ef7eb2e8f9f7 757 */
<> 144:ef7eb2e8f9f7 758 __weak void HAL_TSC_ErrorCallback(TSC_HandleTypeDef* htsc)
<> 144:ef7eb2e8f9f7 759 {
<> 144:ef7eb2e8f9f7 760 /* Prevent unused argument(s) compilation warning */
<> 144:ef7eb2e8f9f7 761 UNUSED(htsc);
<> 144:ef7eb2e8f9f7 762
<> 144:ef7eb2e8f9f7 763 /* NOTE : This function should not be modified, when the callback is needed,
<> 144:ef7eb2e8f9f7 764 the HAL_TSC_ErrorCallback could be implemented in the user file.
<> 144:ef7eb2e8f9f7 765 */
<> 144:ef7eb2e8f9f7 766 }
<> 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 /** @addtogroup TSC_Private
<> 144:ef7eb2e8f9f7 777 * @{
<> 144:ef7eb2e8f9f7 778 */
<> 144:ef7eb2e8f9f7 779
<> 144:ef7eb2e8f9f7 780 /**
<> 144:ef7eb2e8f9f7 781 * @brief Utility function used to set the acquired groups mask
<> 144:ef7eb2e8f9f7 782 * @param iomask: Channels IOs mask
<> 144:ef7eb2e8f9f7 783 * @retval Acquired groups mask
<> 144:ef7eb2e8f9f7 784 */
<> 144:ef7eb2e8f9f7 785 static uint32_t TSC_extract_groups(uint32_t iomask)
<> 144:ef7eb2e8f9f7 786 {
<> 151:5eaa88a5bcc7 787 uint32_t groups = 0U;
<> 144:ef7eb2e8f9f7 788 uint32_t idx;
<> 144:ef7eb2e8f9f7 789
<> 151:5eaa88a5bcc7 790 for (idx = 0U; idx < TSC_NB_OF_GROUPS; idx++)
<> 144:ef7eb2e8f9f7 791 {
<> 151:5eaa88a5bcc7 792 if ((iomask & ((uint32_t)0x0FU << (idx * 4U))) != RESET)
<> 144:ef7eb2e8f9f7 793 {
<> 151:5eaa88a5bcc7 794 groups |= ((uint32_t)1U << idx);
<> 144:ef7eb2e8f9f7 795 }
<> 144:ef7eb2e8f9f7 796 }
<> 144:ef7eb2e8f9f7 797
<> 144:ef7eb2e8f9f7 798 return groups;
<> 144:ef7eb2e8f9f7 799 }
<> 144:ef7eb2e8f9f7 800
<> 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 #endif /* HAL_TSC_MODULE_ENABLED */
<> 144:ef7eb2e8f9f7 814 #endif /* #if !defined(STM32L011xx) && !defined(STM32L021xx) && !defined (STM32L031xx) && !defined (STM32L041xx) && !defined (STM32L051xx) && !defined (STM32L061xx) && !defined (STM32L071xx) && !defined (STM32L081xx) */
<> 144:ef7eb2e8f9f7 815
<> 144:ef7eb2e8f9f7 816 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
<> 144:ef7eb2e8f9f7 817