mbed official / mbed-dev

mbed library sources. Supersedes mbed-src.

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targets/TARGET_STM/TARGET_STM32F0/device/stm32f0xx_hal_tsc.c@189:f392fc9709a3, 2019-02-20 (annotated)

Committer:
AnnaBridge
Date:
Wed Feb 20 22:31:08 2019 +0000
Revision:
189:f392fc9709a3
Parent:
180:96ed750bd169 
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 stm32f0xx_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 (+) Compatible with proximity, touchkey, linear and rotary touch sensor implementation
<> 144:ef7eb2e8f9f7 42
<> 144:ef7eb2e8f9f7 43 ##### How to use this driver #####
<> 144:ef7eb2e8f9f7 44 ================================================================================
<> 144:ef7eb2e8f9f7 45 [..]
<> 144:ef7eb2e8f9f7 46 (#) Enable the TSC interface clock using __HAL_RCC_TSC_CLK_ENABLE() macro.
<> 144:ef7eb2e8f9f7 47
<> 144:ef7eb2e8f9f7 48 (#) GPIO pins configuration
<> 144:ef7eb2e8f9f7 49 (++) Enable the clock for the TSC GPIOs using __HAL_RCC_GPIOx_CLK_ENABLE() macro.
<> 144:ef7eb2e8f9f7 50 (++) Configure the TSC pins used as sampling IOs in alternate function output Open-Drain mode,
<> 144:ef7eb2e8f9f7 51 and TSC pins used as channel/shield IOs in alternate function output Push-Pull mode
<> 144:ef7eb2e8f9f7 52 using HAL_GPIO_Init() function.
<> 144:ef7eb2e8f9f7 53 (++) Configure the alternate function on all the TSC pins using HAL_xxxx() function.
<> 144:ef7eb2e8f9f7 54
<> 144:ef7eb2e8f9f7 55 (#) Interrupts configuration
<> 144:ef7eb2e8f9f7 56 (++) Configure the NVIC (if the interrupt model is used) using HAL_xxx() function.
<> 144:ef7eb2e8f9f7 57
<> 144:ef7eb2e8f9f7 58 (#) TSC configuration
<> 144:ef7eb2e8f9f7 59 (++) Configure all TSC parameters and used TSC IOs using HAL_TSC_Init() function.
<> 144:ef7eb2e8f9f7 60
<> 144:ef7eb2e8f9f7 61 *** Acquisition sequence ***
<> 144:ef7eb2e8f9f7 62 ===================================
<> 144:ef7eb2e8f9f7 63 [..]
<> 144:ef7eb2e8f9f7 64 (+) Discharge all IOs using HAL_TSC_IODischarge() function.
<> 144:ef7eb2e8f9f7 65 (+) Wait a certain time allowing a good discharge of all capacitors. This delay depends
<> 144:ef7eb2e8f9f7 66 of the sampling capacitor and electrodes design.
<> 144:ef7eb2e8f9f7 67 (+) Select the channel IOs to be acquired using HAL_TSC_IOConfig() function.
<> 144:ef7eb2e8f9f7 68 (+) Launch the acquisition using either HAL_TSC_Start() or HAL_TSC_Start_IT() function.
<> 144:ef7eb2e8f9f7 69 If the synchronized mode is selected, the acquisition will start as soon as the signal
<> 144:ef7eb2e8f9f7 70 is received on the synchro pin.
<> 144:ef7eb2e8f9f7 71 (+) Wait the end of acquisition using either HAL_TSC_PollForAcquisition() or
<> 144:ef7eb2e8f9f7 72 HAL_TSC_GetState() function or using WFI instruction for example.
<> 144:ef7eb2e8f9f7 73 (+) Check the group acquisition status using HAL_TSC_GroupGetStatus() function.
<> 144:ef7eb2e8f9f7 74 (+) Read the acquisition value using HAL_TSC_GroupGetValue() function.
<> 144:ef7eb2e8f9f7 75
<> 144:ef7eb2e8f9f7 76 @endverbatim
<> 144:ef7eb2e8f9f7 77 ******************************************************************************
<> 144:ef7eb2e8f9f7 78 * @attention
<> 144:ef7eb2e8f9f7 79 *
<> 144:ef7eb2e8f9f7 80 * <h2><center>&copy; COPYRIGHT(c) 2016 STMicroelectronics</center></h2>
<> 144:ef7eb2e8f9f7 81 *
<> 144:ef7eb2e8f9f7 82 * Redistribution and use in source and binary forms, with or without modification,
<> 144:ef7eb2e8f9f7 83 * are permitted provided that the following conditions are met:
<> 144:ef7eb2e8f9f7 84 * 1. Redistributions of source code must retain the above copyright notice,
<> 144:ef7eb2e8f9f7 85 * this list of conditions and the following disclaimer.
<> 144:ef7eb2e8f9f7 86 * 2. Redistributions in binary form must reproduce the above copyright notice,
<> 144:ef7eb2e8f9f7 87 * this list of conditions and the following disclaimer in the documentation
<> 144:ef7eb2e8f9f7 88 * and/or other materials provided with the distribution.
<> 144:ef7eb2e8f9f7 89 * 3. Neither the name of STMicroelectronics nor the names of its contributors
<> 144:ef7eb2e8f9f7 90 * may be used to endorse or promote products derived from this software
<> 144:ef7eb2e8f9f7 91 * without specific prior written permission.
<> 144:ef7eb2e8f9f7 92 *
<> 144:ef7eb2e8f9f7 93 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
<> 144:ef7eb2e8f9f7 94 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
<> 144:ef7eb2e8f9f7 95 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
<> 144:ef7eb2e8f9f7 96 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
<> 144:ef7eb2e8f9f7 97 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
<> 144:ef7eb2e8f9f7 98 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
<> 144:ef7eb2e8f9f7 99 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
<> 144:ef7eb2e8f9f7 100 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
<> 144:ef7eb2e8f9f7 101 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
<> 144:ef7eb2e8f9f7 102 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
<> 144:ef7eb2e8f9f7 103 *
<> 144:ef7eb2e8f9f7 104 ******************************************************************************
<> 144:ef7eb2e8f9f7 105 */
<> 144:ef7eb2e8f9f7 106
<> 144:ef7eb2e8f9f7 107 /* Includes ------------------------------------------------------------------*/
<> 144:ef7eb2e8f9f7 108 #include "stm32f0xx_hal.h"
<> 144:ef7eb2e8f9f7 109
<> 144:ef7eb2e8f9f7 110 #ifdef HAL_TSC_MODULE_ENABLED
<> 144:ef7eb2e8f9f7 111
<> 144:ef7eb2e8f9f7 112 #if defined(STM32F051x8) || defined(STM32F071xB) || defined(STM32F091xC) || \
<> 144:ef7eb2e8f9f7 113 defined(STM32F042x6) || defined(STM32F072xB) || \
<> 144:ef7eb2e8f9f7 114 defined(STM32F048xx) || defined(STM32F058xx) || defined(STM32F078xx) || defined(STM32F098xx)
<> 144:ef7eb2e8f9f7 115
<> 144:ef7eb2e8f9f7 116 /** @addtogroup STM32F0xx_HAL_Driver
<> 144:ef7eb2e8f9f7 117 * @{
<> 144:ef7eb2e8f9f7 118 */
<> 144:ef7eb2e8f9f7 119
<> 144:ef7eb2e8f9f7 120 /** @defgroup TSC TSC
<> 144:ef7eb2e8f9f7 121 * @brief TSC HAL module driver
<> 144:ef7eb2e8f9f7 122 * @{
<> 144:ef7eb2e8f9f7 123 */
<> 144:ef7eb2e8f9f7 124
<> 144:ef7eb2e8f9f7 125 /* Private typedef -----------------------------------------------------------*/
<> 144:ef7eb2e8f9f7 126 /* Private define ------------------------------------------------------------*/
<> 144:ef7eb2e8f9f7 127 /* Private macro -------------------------------------------------------------*/
<> 144:ef7eb2e8f9f7 128 /* Private variables ---------------------------------------------------------*/
<> 144:ef7eb2e8f9f7 129 /* Private function prototypes -----------------------------------------------*/
<> 144:ef7eb2e8f9f7 130 static uint32_t TSC_extract_groups(uint32_t iomask);
<> 144:ef7eb2e8f9f7 131 /* Exported functions ---------------------------------------------------------*/
<> 144:ef7eb2e8f9f7 132
<> 144:ef7eb2e8f9f7 133 /** @defgroup TSC_Exported_Functions TSC Exported Functions
<> 144:ef7eb2e8f9f7 134 * @{
<> 144:ef7eb2e8f9f7 135 */
<> 144:ef7eb2e8f9f7 136
<> 144:ef7eb2e8f9f7 137 /** @defgroup TSC_Exported_Functions_Group1 Initialization/de-initialization functions
<> 144:ef7eb2e8f9f7 138 * @brief Initialization and Configuration functions
<> 144:ef7eb2e8f9f7 139 *
<> 144:ef7eb2e8f9f7 140 @verbatim
<> 144:ef7eb2e8f9f7 141 ===============================================================================
<> 144:ef7eb2e8f9f7 142 ##### Initialization and de-initialization functions #####
<> 144:ef7eb2e8f9f7 143 ===============================================================================
<> 144:ef7eb2e8f9f7 144 [..] This section provides functions allowing to:
<> 144:ef7eb2e8f9f7 145 (+) Initialize and configure the TSC.
<> 144:ef7eb2e8f9f7 146 (+) De-initialize the TSC.
<> 144:ef7eb2e8f9f7 147 @endverbatim
<> 144:ef7eb2e8f9f7 148 * @{
<> 144:ef7eb2e8f9f7 149 */
<> 144:ef7eb2e8f9f7 150
<> 144:ef7eb2e8f9f7 151 /**
<> 144:ef7eb2e8f9f7 152 * @brief Initializes the TSC peripheral according to the specified parameters
<> 144:ef7eb2e8f9f7 153 * in the TSC_InitTypeDef structure.
Anna Bridge 180:96ed750bd169 154 * @param htsc TSC handle
<> 144:ef7eb2e8f9f7 155 * @retval HAL status
<> 144:ef7eb2e8f9f7 156 */
<> 144:ef7eb2e8f9f7 157 HAL_StatusTypeDef HAL_TSC_Init(TSC_HandleTypeDef* htsc)
<> 144:ef7eb2e8f9f7 158 {
<> 144:ef7eb2e8f9f7 159 /* Check TSC handle allocation */
<> 144:ef7eb2e8f9f7 160 if (htsc == NULL)
<> 144:ef7eb2e8f9f7 161 {
<> 144:ef7eb2e8f9f7 162 return HAL_ERROR;
<> 144:ef7eb2e8f9f7 163 }
<> 144:ef7eb2e8f9f7 164
<> 144:ef7eb2e8f9f7 165 /* Check the parameters */
<> 144:ef7eb2e8f9f7 166 assert_param(IS_TSC_ALL_INSTANCE(htsc->Instance));
<> 144:ef7eb2e8f9f7 167 assert_param(IS_TSC_CTPH(htsc->Init.CTPulseHighLength));
<> 144:ef7eb2e8f9f7 168 assert_param(IS_TSC_CTPL(htsc->Init.CTPulseLowLength));
<> 144:ef7eb2e8f9f7 169 assert_param(IS_TSC_SS(htsc->Init.SpreadSpectrum));
<> 144:ef7eb2e8f9f7 170 assert_param(IS_TSC_SSD(htsc->Init.SpreadSpectrumDeviation));
<> 144:ef7eb2e8f9f7 171 assert_param(IS_TSC_SS_PRESC(htsc->Init.SpreadSpectrumPrescaler));
<> 144:ef7eb2e8f9f7 172 assert_param(IS_TSC_PG_PRESC(htsc->Init.PulseGeneratorPrescaler));
<> 144:ef7eb2e8f9f7 173 assert_param(IS_TSC_MCV(htsc->Init.MaxCountValue));
<> 144:ef7eb2e8f9f7 174 assert_param(IS_TSC_IODEF(htsc->Init.IODefaultMode));
<> 144:ef7eb2e8f9f7 175 assert_param(IS_TSC_SYNC_POL(htsc->Init.SynchroPinPolarity));
<> 144:ef7eb2e8f9f7 176 assert_param(IS_TSC_ACQ_MODE(htsc->Init.AcquisitionMode));
<> 144:ef7eb2e8f9f7 177 assert_param(IS_TSC_MCE_IT(htsc->Init.MaxCountInterrupt));
<> 144:ef7eb2e8f9f7 178
<> 144:ef7eb2e8f9f7 179 if(htsc->State == HAL_TSC_STATE_RESET)
<> 144:ef7eb2e8f9f7 180 {
<> 144:ef7eb2e8f9f7 181 /* Allocate lock resource and initialize it */
<> 144:ef7eb2e8f9f7 182 htsc->Lock = HAL_UNLOCKED;
<> 144:ef7eb2e8f9f7 183 }
<> 144:ef7eb2e8f9f7 184
<> 144:ef7eb2e8f9f7 185 /* Initialize the TSC state */
<> 144:ef7eb2e8f9f7 186 htsc->State = HAL_TSC_STATE_BUSY;
<> 144:ef7eb2e8f9f7 187
<> 144:ef7eb2e8f9f7 188 /* Init the low level hardware : GPIO, CLOCK, CORTEX */
<> 144:ef7eb2e8f9f7 189 HAL_TSC_MspInit(htsc);
<> 144:ef7eb2e8f9f7 190
<> 144:ef7eb2e8f9f7 191 /*--------------------------------------------------------------------------*/
<> 144:ef7eb2e8f9f7 192 /* Set TSC parameters */
<> 144:ef7eb2e8f9f7 193
<> 144:ef7eb2e8f9f7 194 /* Enable TSC */
<> 144:ef7eb2e8f9f7 195 htsc->Instance->CR = TSC_CR_TSCE;
<> 144:ef7eb2e8f9f7 196
<> 144:ef7eb2e8f9f7 197 /* Set all functions */
<> 144:ef7eb2e8f9f7 198 htsc->Instance->CR |= (htsc->Init.CTPulseHighLength |
<> 144:ef7eb2e8f9f7 199 htsc->Init.CTPulseLowLength |
<> 156:95d6b41a828b 200 (uint32_t)(htsc->Init.SpreadSpectrumDeviation << 17U) |
<> 144:ef7eb2e8f9f7 201 htsc->Init.SpreadSpectrumPrescaler |
<> 144:ef7eb2e8f9f7 202 htsc->Init.PulseGeneratorPrescaler |
<> 144:ef7eb2e8f9f7 203 htsc->Init.MaxCountValue |
<> 144:ef7eb2e8f9f7 204 htsc->Init.SynchroPinPolarity |
<> 144:ef7eb2e8f9f7 205 htsc->Init.AcquisitionMode);
<> 144:ef7eb2e8f9f7 206
<> 144:ef7eb2e8f9f7 207 /* Spread spectrum */
<> 144:ef7eb2e8f9f7 208 if (htsc->Init.SpreadSpectrum == ENABLE)
<> 144:ef7eb2e8f9f7 209 {
<> 144:ef7eb2e8f9f7 210 htsc->Instance->CR |= TSC_CR_SSE;
<> 144:ef7eb2e8f9f7 211 }
<> 144:ef7eb2e8f9f7 212
<> 144:ef7eb2e8f9f7 213 /* Disable Schmitt trigger hysteresis on all used TSC IOs */
<> 144:ef7eb2e8f9f7 214 htsc->Instance->IOHCR = (uint32_t)(~(htsc->Init.ChannelIOs | htsc->Init.ShieldIOs | htsc->Init.SamplingIOs));
<> 144:ef7eb2e8f9f7 215
<> 144:ef7eb2e8f9f7 216 /* Set channel and shield IOs */
<> 144:ef7eb2e8f9f7 217 htsc->Instance->IOCCR = (htsc->Init.ChannelIOs | htsc->Init.ShieldIOs);
<> 144:ef7eb2e8f9f7 218
<> 144:ef7eb2e8f9f7 219 /* Set sampling IOs */
<> 144:ef7eb2e8f9f7 220 htsc->Instance->IOSCR = htsc->Init.SamplingIOs;
<> 144:ef7eb2e8f9f7 221
<> 144:ef7eb2e8f9f7 222 /* Set the groups to be acquired */
<> 144:ef7eb2e8f9f7 223 htsc->Instance->IOGCSR = TSC_extract_groups(htsc->Init.ChannelIOs);
<> 144:ef7eb2e8f9f7 224
<> 144:ef7eb2e8f9f7 225 /* Clear interrupts */
<> 144:ef7eb2e8f9f7 226 htsc->Instance->IER &= (uint32_t)(~(TSC_IT_EOA | TSC_IT_MCE));
<> 144:ef7eb2e8f9f7 227
<> 144:ef7eb2e8f9f7 228 /* Clear flags */
<> 144:ef7eb2e8f9f7 229 htsc->Instance->ICR = (TSC_FLAG_EOA | TSC_FLAG_MCE);
<> 144:ef7eb2e8f9f7 230
<> 144:ef7eb2e8f9f7 231 /*--------------------------------------------------------------------------*/
<> 144:ef7eb2e8f9f7 232
<> 144:ef7eb2e8f9f7 233 /* Initialize the TSC state */
<> 144:ef7eb2e8f9f7 234 htsc->State = HAL_TSC_STATE_READY;
<> 144:ef7eb2e8f9f7 235
<> 144:ef7eb2e8f9f7 236 /* Return function status */
<> 144:ef7eb2e8f9f7 237 return HAL_OK;
<> 144:ef7eb2e8f9f7 238 }
<> 144:ef7eb2e8f9f7 239
<> 144:ef7eb2e8f9f7 240 /**
<> 144:ef7eb2e8f9f7 241 * @brief Deinitializes the TSC peripheral registers to their default reset values.
Anna Bridge 180:96ed750bd169 242 * @param htsc TSC handle
<> 144:ef7eb2e8f9f7 243 * @retval HAL status
<> 144:ef7eb2e8f9f7 244 */
<> 144:ef7eb2e8f9f7 245 HAL_StatusTypeDef HAL_TSC_DeInit(TSC_HandleTypeDef* htsc)
<> 144:ef7eb2e8f9f7 246 {
<> 144:ef7eb2e8f9f7 247 /* Check TSC handle allocation */
<> 144:ef7eb2e8f9f7 248 if (htsc == NULL)
<> 144:ef7eb2e8f9f7 249 {
<> 144:ef7eb2e8f9f7 250 return HAL_ERROR;
<> 144:ef7eb2e8f9f7 251 }
<> 144:ef7eb2e8f9f7 252
<> 144:ef7eb2e8f9f7 253 /* Check the parameters */
<> 144:ef7eb2e8f9f7 254 assert_param(IS_TSC_ALL_INSTANCE(htsc->Instance));
<> 144:ef7eb2e8f9f7 255
<> 144:ef7eb2e8f9f7 256 /* Change TSC state */
<> 144:ef7eb2e8f9f7 257 htsc->State = HAL_TSC_STATE_BUSY;
<> 144:ef7eb2e8f9f7 258
<> 144:ef7eb2e8f9f7 259 /* DeInit the low level hardware */
<> 144:ef7eb2e8f9f7 260 HAL_TSC_MspDeInit(htsc);
<> 144:ef7eb2e8f9f7 261
<> 144:ef7eb2e8f9f7 262 /* Change TSC state */
<> 144:ef7eb2e8f9f7 263 htsc->State = HAL_TSC_STATE_RESET;
<> 144:ef7eb2e8f9f7 264
<> 144:ef7eb2e8f9f7 265 /* Process unlocked */
<> 144:ef7eb2e8f9f7 266 __HAL_UNLOCK(htsc);
<> 144:ef7eb2e8f9f7 267
<> 144:ef7eb2e8f9f7 268 /* Return function status */
<> 144:ef7eb2e8f9f7 269 return HAL_OK;
<> 144:ef7eb2e8f9f7 270 }
<> 144:ef7eb2e8f9f7 271
<> 144:ef7eb2e8f9f7 272 /**
<> 144:ef7eb2e8f9f7 273 * @brief Initializes the TSC MSP.
Anna Bridge 180:96ed750bd169 274 * @param htsc pointer to a TSC_HandleTypeDef structure that contains
<> 144:ef7eb2e8f9f7 275 * the configuration information for the specified TSC.
<> 144:ef7eb2e8f9f7 276 * @retval None
<> 144:ef7eb2e8f9f7 277 */
<> 144:ef7eb2e8f9f7 278 __weak void HAL_TSC_MspInit(TSC_HandleTypeDef* htsc)
<> 144:ef7eb2e8f9f7 279 {
<> 144:ef7eb2e8f9f7 280 /* Prevent unused argument(s) compilation warning */
<> 144:ef7eb2e8f9f7 281 UNUSED(htsc);
<> 144:ef7eb2e8f9f7 282
<> 144:ef7eb2e8f9f7 283 /* NOTE : This function should not be modified, when the callback is needed,
<> 144:ef7eb2e8f9f7 284 the HAL_TSC_MspInit could be implemented in the user file.
<> 144:ef7eb2e8f9f7 285 */
<> 144:ef7eb2e8f9f7 286 }
<> 144:ef7eb2e8f9f7 287
<> 144:ef7eb2e8f9f7 288 /**
<> 144:ef7eb2e8f9f7 289 * @brief DeInitializes the TSC MSP.
Anna Bridge 180:96ed750bd169 290 * @param htsc pointer to a TSC_HandleTypeDef structure that contains
<> 144:ef7eb2e8f9f7 291 * the configuration information for the specified TSC.
<> 144:ef7eb2e8f9f7 292 * @retval None
<> 144:ef7eb2e8f9f7 293 */
<> 144:ef7eb2e8f9f7 294 __weak void HAL_TSC_MspDeInit(TSC_HandleTypeDef* htsc)
<> 144:ef7eb2e8f9f7 295 {
<> 144:ef7eb2e8f9f7 296 /* Prevent unused argument(s) compilation warning */
<> 144:ef7eb2e8f9f7 297 UNUSED(htsc);
<> 144:ef7eb2e8f9f7 298
<> 144:ef7eb2e8f9f7 299 /* NOTE : This function should not be modified, when the callback is needed,
<> 144:ef7eb2e8f9f7 300 the HAL_TSC_MspDeInit could be implemented in the user file.
<> 144:ef7eb2e8f9f7 301 */
<> 144:ef7eb2e8f9f7 302 }
<> 144:ef7eb2e8f9f7 303
<> 144:ef7eb2e8f9f7 304 /**
<> 144:ef7eb2e8f9f7 305 * @}
<> 144:ef7eb2e8f9f7 306 */
<> 144:ef7eb2e8f9f7 307
<> 144:ef7eb2e8f9f7 308 /** @defgroup TSC_Exported_Functions_Group2 IO operation functions
<> 144:ef7eb2e8f9f7 309 * @brief IO operation functions
<> 144:ef7eb2e8f9f7 310 *
<> 144:ef7eb2e8f9f7 311 @verbatim
<> 144:ef7eb2e8f9f7 312 ===============================================================================
<> 144:ef7eb2e8f9f7 313 ##### IO operation functions #####
<> 144:ef7eb2e8f9f7 314 ===============================================================================
<> 144:ef7eb2e8f9f7 315 [..] This section provides functions allowing to:
<> 144:ef7eb2e8f9f7 316 (+) Start acquisition in polling mode.
<> 144:ef7eb2e8f9f7 317 (+) Start acquisition in interrupt mode.
<> 144:ef7eb2e8f9f7 318 (+) Stop conversion in polling mode.
<> 144:ef7eb2e8f9f7 319 (+) Stop conversion in interrupt mode.
<> 144:ef7eb2e8f9f7 320 (+) Get group acquisition status.
<> 144:ef7eb2e8f9f7 321 (+) Get group acquisition value.
<> 144:ef7eb2e8f9f7 322 @endverbatim
<> 144:ef7eb2e8f9f7 323 * @{
<> 144:ef7eb2e8f9f7 324 */
<> 144:ef7eb2e8f9f7 325
<> 144:ef7eb2e8f9f7 326 /**
<> 144:ef7eb2e8f9f7 327 * @brief Starts the acquisition.
Anna Bridge 180:96ed750bd169 328 * @param htsc pointer to a TSC_HandleTypeDef structure that contains
<> 144:ef7eb2e8f9f7 329 * the configuration information for the specified TSC.
<> 144:ef7eb2e8f9f7 330 * @retval HAL status
<> 144:ef7eb2e8f9f7 331 */
<> 144:ef7eb2e8f9f7 332 HAL_StatusTypeDef HAL_TSC_Start(TSC_HandleTypeDef* htsc)
<> 144:ef7eb2e8f9f7 333 {
<> 144:ef7eb2e8f9f7 334 /* Check the parameters */
<> 144:ef7eb2e8f9f7 335 assert_param(IS_TSC_ALL_INSTANCE(htsc->Instance));
<> 144:ef7eb2e8f9f7 336
<> 144:ef7eb2e8f9f7 337 /* Process locked */
<> 144:ef7eb2e8f9f7 338 __HAL_LOCK(htsc);
<> 144:ef7eb2e8f9f7 339
<> 144:ef7eb2e8f9f7 340 /* Change TSC state */
<> 144:ef7eb2e8f9f7 341 htsc->State = HAL_TSC_STATE_BUSY;
<> 144:ef7eb2e8f9f7 342
<> 144:ef7eb2e8f9f7 343 /* Clear interrupts */
<> 144:ef7eb2e8f9f7 344 __HAL_TSC_DISABLE_IT(htsc, (TSC_IT_EOA | TSC_IT_MCE));
<> 144:ef7eb2e8f9f7 345
<> 144:ef7eb2e8f9f7 346 /* Clear flags */
<> 144:ef7eb2e8f9f7 347 __HAL_TSC_CLEAR_FLAG(htsc, (TSC_FLAG_EOA | TSC_FLAG_MCE));
<> 144:ef7eb2e8f9f7 348
<> 144:ef7eb2e8f9f7 349 /* Set touch sensing IOs not acquired to the specified IODefaultMode */
<> 144:ef7eb2e8f9f7 350 if (htsc->Init.IODefaultMode == TSC_IODEF_OUT_PP_LOW)
<> 144:ef7eb2e8f9f7 351 {
<> 144:ef7eb2e8f9f7 352 __HAL_TSC_SET_IODEF_OUTPPLOW(htsc);
<> 144:ef7eb2e8f9f7 353 }
<> 144:ef7eb2e8f9f7 354 else
<> 144:ef7eb2e8f9f7 355 {
<> 144:ef7eb2e8f9f7 356 __HAL_TSC_SET_IODEF_INFLOAT(htsc);
<> 144:ef7eb2e8f9f7 357 }
<> 144:ef7eb2e8f9f7 358
<> 144:ef7eb2e8f9f7 359 /* Launch the acquisition */
<> 144:ef7eb2e8f9f7 360 __HAL_TSC_START_ACQ(htsc);
<> 144:ef7eb2e8f9f7 361
<> 144:ef7eb2e8f9f7 362 /* Process unlocked */
<> 144:ef7eb2e8f9f7 363 __HAL_UNLOCK(htsc);
<> 144:ef7eb2e8f9f7 364
<> 144:ef7eb2e8f9f7 365 /* Return function status */
<> 144:ef7eb2e8f9f7 366 return HAL_OK;
<> 144:ef7eb2e8f9f7 367 }
<> 144:ef7eb2e8f9f7 368
<> 144:ef7eb2e8f9f7 369 /**
<> 144:ef7eb2e8f9f7 370 * @brief Enables the interrupt and starts the acquisition
Anna Bridge 180:96ed750bd169 371 * @param htsc pointer to a TSC_HandleTypeDef structure that contains
<> 144:ef7eb2e8f9f7 372 * the configuration information for the specified TSC.
<> 144:ef7eb2e8f9f7 373 * @retval HAL status.
<> 144:ef7eb2e8f9f7 374 */
<> 144:ef7eb2e8f9f7 375 HAL_StatusTypeDef HAL_TSC_Start_IT(TSC_HandleTypeDef* htsc)
<> 144:ef7eb2e8f9f7 376 {
<> 144:ef7eb2e8f9f7 377 /* Check the parameters */
<> 144:ef7eb2e8f9f7 378 assert_param(IS_TSC_ALL_INSTANCE(htsc->Instance));
<> 144:ef7eb2e8f9f7 379 assert_param(IS_TSC_MCE_IT(htsc->Init.MaxCountInterrupt));
<> 144:ef7eb2e8f9f7 380
<> 144:ef7eb2e8f9f7 381 /* Process locked */
<> 144:ef7eb2e8f9f7 382 __HAL_LOCK(htsc);
<> 144:ef7eb2e8f9f7 383
<> 144:ef7eb2e8f9f7 384 /* Change TSC state */
<> 144:ef7eb2e8f9f7 385 htsc->State = HAL_TSC_STATE_BUSY;
<> 144:ef7eb2e8f9f7 386
<> 144:ef7eb2e8f9f7 387 /* Enable end of acquisition interrupt */
<> 144:ef7eb2e8f9f7 388 __HAL_TSC_ENABLE_IT(htsc, TSC_IT_EOA);
<> 144:ef7eb2e8f9f7 389
<> 144:ef7eb2e8f9f7 390 /* Enable max count error interrupt (optional) */
<> 144:ef7eb2e8f9f7 391 if (htsc->Init.MaxCountInterrupt == ENABLE)
<> 144:ef7eb2e8f9f7 392 {
<> 144:ef7eb2e8f9f7 393 __HAL_TSC_ENABLE_IT(htsc, TSC_IT_MCE);
<> 144:ef7eb2e8f9f7 394 }
<> 144:ef7eb2e8f9f7 395 else
<> 144:ef7eb2e8f9f7 396 {
<> 144:ef7eb2e8f9f7 397 __HAL_TSC_DISABLE_IT(htsc, TSC_IT_MCE);
<> 144:ef7eb2e8f9f7 398 }
<> 144:ef7eb2e8f9f7 399
<> 144:ef7eb2e8f9f7 400 /* Clear flags */
<> 144:ef7eb2e8f9f7 401 __HAL_TSC_CLEAR_FLAG(htsc, (TSC_FLAG_EOA | TSC_FLAG_MCE));
<> 144:ef7eb2e8f9f7 402
<> 144:ef7eb2e8f9f7 403 /* Set touch sensing IOs not acquired to the specified IODefaultMode */
<> 144:ef7eb2e8f9f7 404 if (htsc->Init.IODefaultMode == TSC_IODEF_OUT_PP_LOW)
<> 144:ef7eb2e8f9f7 405 {
<> 144:ef7eb2e8f9f7 406 __HAL_TSC_SET_IODEF_OUTPPLOW(htsc);
<> 144:ef7eb2e8f9f7 407 }
<> 144:ef7eb2e8f9f7 408 else
<> 144:ef7eb2e8f9f7 409 {
<> 144:ef7eb2e8f9f7 410 __HAL_TSC_SET_IODEF_INFLOAT(htsc);
<> 144:ef7eb2e8f9f7 411 }
<> 144:ef7eb2e8f9f7 412
<> 144:ef7eb2e8f9f7 413 /* Launch the acquisition */
<> 144:ef7eb2e8f9f7 414 __HAL_TSC_START_ACQ(htsc);
<> 144:ef7eb2e8f9f7 415
<> 144:ef7eb2e8f9f7 416 /* Process unlocked */
<> 144:ef7eb2e8f9f7 417 __HAL_UNLOCK(htsc);
<> 144:ef7eb2e8f9f7 418
<> 144:ef7eb2e8f9f7 419 /* Return function status */
<> 144:ef7eb2e8f9f7 420 return HAL_OK;
<> 144:ef7eb2e8f9f7 421 }
<> 144:ef7eb2e8f9f7 422
<> 144:ef7eb2e8f9f7 423 /**
<> 144:ef7eb2e8f9f7 424 * @brief Stops the acquisition previously launched in polling mode
Anna Bridge 180:96ed750bd169 425 * @param htsc pointer to a TSC_HandleTypeDef structure that contains
<> 144:ef7eb2e8f9f7 426 * the configuration information for the specified TSC.
<> 144:ef7eb2e8f9f7 427 * @retval HAL status
<> 144:ef7eb2e8f9f7 428 */
<> 144:ef7eb2e8f9f7 429 HAL_StatusTypeDef HAL_TSC_Stop(TSC_HandleTypeDef* htsc)
<> 144:ef7eb2e8f9f7 430 {
<> 144:ef7eb2e8f9f7 431 /* Check the parameters */
<> 144:ef7eb2e8f9f7 432 assert_param(IS_TSC_ALL_INSTANCE(htsc->Instance));
<> 144:ef7eb2e8f9f7 433
<> 144:ef7eb2e8f9f7 434 /* Process locked */
<> 144:ef7eb2e8f9f7 435 __HAL_LOCK(htsc);
<> 144:ef7eb2e8f9f7 436
<> 144:ef7eb2e8f9f7 437 /* Stop the acquisition */
<> 144:ef7eb2e8f9f7 438 __HAL_TSC_STOP_ACQ(htsc);
<> 144:ef7eb2e8f9f7 439
<> 144:ef7eb2e8f9f7 440 /* Set touch sensing IOs in low power mode (output push-pull) */
<> 144:ef7eb2e8f9f7 441 __HAL_TSC_SET_IODEF_OUTPPLOW(htsc);
<> 144:ef7eb2e8f9f7 442
<> 144:ef7eb2e8f9f7 443 /* Clear flags */
<> 144:ef7eb2e8f9f7 444 __HAL_TSC_CLEAR_FLAG(htsc, (TSC_FLAG_EOA | TSC_FLAG_MCE));
<> 144:ef7eb2e8f9f7 445
<> 144:ef7eb2e8f9f7 446 /* Change TSC state */
<> 144:ef7eb2e8f9f7 447 htsc->State = HAL_TSC_STATE_READY;
<> 144:ef7eb2e8f9f7 448
<> 144:ef7eb2e8f9f7 449 /* Process unlocked */
<> 144:ef7eb2e8f9f7 450 __HAL_UNLOCK(htsc);
<> 144:ef7eb2e8f9f7 451
<> 144:ef7eb2e8f9f7 452 /* Return function status */
<> 144:ef7eb2e8f9f7 453 return HAL_OK;
<> 144:ef7eb2e8f9f7 454 }
<> 144:ef7eb2e8f9f7 455
<> 144:ef7eb2e8f9f7 456 /**
<> 144:ef7eb2e8f9f7 457 * @brief Stops the acquisition previously launched in interrupt mode
Anna Bridge 180:96ed750bd169 458 * @param htsc pointer to a TSC_HandleTypeDef structure that contains
<> 144:ef7eb2e8f9f7 459 * the configuration information for the specified TSC.
<> 144:ef7eb2e8f9f7 460 * @retval HAL status
<> 144:ef7eb2e8f9f7 461 */
<> 144:ef7eb2e8f9f7 462 HAL_StatusTypeDef HAL_TSC_Stop_IT(TSC_HandleTypeDef* htsc)
<> 144:ef7eb2e8f9f7 463 {
<> 144:ef7eb2e8f9f7 464 /* Check the parameters */
<> 144:ef7eb2e8f9f7 465 assert_param(IS_TSC_ALL_INSTANCE(htsc->Instance));
<> 144:ef7eb2e8f9f7 466
<> 144:ef7eb2e8f9f7 467 /* Process locked */
<> 144:ef7eb2e8f9f7 468 __HAL_LOCK(htsc);
<> 144:ef7eb2e8f9f7 469
<> 144:ef7eb2e8f9f7 470 /* Stop the acquisition */
<> 144:ef7eb2e8f9f7 471 __HAL_TSC_STOP_ACQ(htsc);
<> 144:ef7eb2e8f9f7 472
<> 144:ef7eb2e8f9f7 473 /* Set touch sensing IOs in low power mode (output push-pull) */
<> 144:ef7eb2e8f9f7 474 __HAL_TSC_SET_IODEF_OUTPPLOW(htsc);
<> 144:ef7eb2e8f9f7 475
<> 144:ef7eb2e8f9f7 476 /* Disable interrupts */
<> 144:ef7eb2e8f9f7 477 __HAL_TSC_DISABLE_IT(htsc, (TSC_IT_EOA | TSC_IT_MCE));
<> 144:ef7eb2e8f9f7 478
<> 144:ef7eb2e8f9f7 479 /* Clear flags */
<> 144:ef7eb2e8f9f7 480 __HAL_TSC_CLEAR_FLAG(htsc, (TSC_FLAG_EOA | TSC_FLAG_MCE));
<> 144:ef7eb2e8f9f7 481
<> 144:ef7eb2e8f9f7 482 /* Change TSC state */
<> 144:ef7eb2e8f9f7 483 htsc->State = HAL_TSC_STATE_READY;
<> 144:ef7eb2e8f9f7 484
<> 144:ef7eb2e8f9f7 485 /* Process unlocked */
<> 144:ef7eb2e8f9f7 486 __HAL_UNLOCK(htsc);
<> 144:ef7eb2e8f9f7 487
<> 144:ef7eb2e8f9f7 488 /* Return function status */
<> 144:ef7eb2e8f9f7 489 return HAL_OK;
<> 144:ef7eb2e8f9f7 490 }
<> 144:ef7eb2e8f9f7 491
<> 144:ef7eb2e8f9f7 492 /**
<> 144:ef7eb2e8f9f7 493 * @brief Gets the acquisition status for a group
Anna Bridge 180:96ed750bd169 494 * @param htsc pointer to a TSC_HandleTypeDef structure that contains
<> 144:ef7eb2e8f9f7 495 * the configuration information for the specified TSC.
Anna Bridge 180:96ed750bd169 496 * @param gx_index Index of the group
<> 144:ef7eb2e8f9f7 497 * @retval Group status
<> 144:ef7eb2e8f9f7 498 */
<> 144:ef7eb2e8f9f7 499 TSC_GroupStatusTypeDef HAL_TSC_GroupGetStatus(TSC_HandleTypeDef* htsc, uint32_t gx_index)
<> 144:ef7eb2e8f9f7 500 {
<> 144:ef7eb2e8f9f7 501 /* Check the parameters */
<> 144:ef7eb2e8f9f7 502 assert_param(IS_TSC_ALL_INSTANCE(htsc->Instance));
<> 144:ef7eb2e8f9f7 503 assert_param(IS_GROUP_INDEX(gx_index));
<> 144:ef7eb2e8f9f7 504
<> 144:ef7eb2e8f9f7 505 /* Return the group status */
<> 144:ef7eb2e8f9f7 506 return(__HAL_TSC_GET_GROUP_STATUS(htsc, gx_index));
<> 144:ef7eb2e8f9f7 507 }
<> 144:ef7eb2e8f9f7 508
<> 144:ef7eb2e8f9f7 509 /**
<> 144:ef7eb2e8f9f7 510 * @brief Gets the acquisition measure for a group
Anna Bridge 180:96ed750bd169 511 * @param htsc pointer to a TSC_HandleTypeDef structure that contains
<> 144:ef7eb2e8f9f7 512 * the configuration information for the specified TSC.
Anna Bridge 180:96ed750bd169 513 * @param gx_index Index of the group
<> 144:ef7eb2e8f9f7 514 * @retval Acquisition measure
<> 144:ef7eb2e8f9f7 515 */
<> 144:ef7eb2e8f9f7 516 uint32_t HAL_TSC_GroupGetValue(TSC_HandleTypeDef* htsc, uint32_t gx_index)
<> 144:ef7eb2e8f9f7 517 {
<> 144:ef7eb2e8f9f7 518 /* Check the parameters */
<> 144:ef7eb2e8f9f7 519 assert_param(IS_TSC_ALL_INSTANCE(htsc->Instance));
<> 144:ef7eb2e8f9f7 520 assert_param(IS_GROUP_INDEX(gx_index));
<> 144:ef7eb2e8f9f7 521
<> 144:ef7eb2e8f9f7 522 /* Return the group acquisition counter */
<> 144:ef7eb2e8f9f7 523 return htsc->Instance->IOGXCR[gx_index];
<> 144:ef7eb2e8f9f7 524 }
<> 144:ef7eb2e8f9f7 525
<> 144:ef7eb2e8f9f7 526 /**
<> 144:ef7eb2e8f9f7 527 * @}
<> 144:ef7eb2e8f9f7 528 */
<> 144:ef7eb2e8f9f7 529
<> 144:ef7eb2e8f9f7 530 /** @defgroup TSC_Exported_Functions_Group3 Peripheral Control functions
<> 144:ef7eb2e8f9f7 531 * @brief Peripheral Control functions
<> 144:ef7eb2e8f9f7 532 *
<> 144:ef7eb2e8f9f7 533 @verbatim
<> 144:ef7eb2e8f9f7 534 ===============================================================================
<> 144:ef7eb2e8f9f7 535 ##### Peripheral Control functions #####
<> 144:ef7eb2e8f9f7 536 ===============================================================================
<> 144:ef7eb2e8f9f7 537 [..] This section provides functions allowing to:
<> 144:ef7eb2e8f9f7 538 (+) Configure TSC IOs
<> 144:ef7eb2e8f9f7 539 (+) Discharge TSC IOs
<> 144:ef7eb2e8f9f7 540 @endverbatim
<> 144:ef7eb2e8f9f7 541 * @{
<> 144:ef7eb2e8f9f7 542 */
<> 144:ef7eb2e8f9f7 543
<> 144:ef7eb2e8f9f7 544 /**
<> 144:ef7eb2e8f9f7 545 * @brief Configures TSC IOs
Anna Bridge 180:96ed750bd169 546 * @param htsc pointer to a TSC_HandleTypeDef structure that contains
<> 144:ef7eb2e8f9f7 547 * the configuration information for the specified TSC.
Anna Bridge 180:96ed750bd169 548 * @param config pointer to the configuration structure.
<> 144:ef7eb2e8f9f7 549 * @retval HAL status
<> 144:ef7eb2e8f9f7 550 */
<> 144:ef7eb2e8f9f7 551 HAL_StatusTypeDef HAL_TSC_IOConfig(TSC_HandleTypeDef* htsc, TSC_IOConfigTypeDef* config)
<> 144:ef7eb2e8f9f7 552 {
<> 144:ef7eb2e8f9f7 553 /* Check the parameters */
<> 144:ef7eb2e8f9f7 554 assert_param(IS_TSC_ALL_INSTANCE(htsc->Instance));
<> 144:ef7eb2e8f9f7 555
<> 144:ef7eb2e8f9f7 556 /* Process locked */
<> 144:ef7eb2e8f9f7 557 __HAL_LOCK(htsc);
<> 144:ef7eb2e8f9f7 558
<> 144:ef7eb2e8f9f7 559 /* Stop acquisition */
<> 144:ef7eb2e8f9f7 560 __HAL_TSC_STOP_ACQ(htsc);
<> 144:ef7eb2e8f9f7 561
<> 144:ef7eb2e8f9f7 562 /* Disable Schmitt trigger hysteresis on all used TSC IOs */
<> 144:ef7eb2e8f9f7 563 htsc->Instance->IOHCR = (uint32_t)(~(config->ChannelIOs | config->ShieldIOs | config->SamplingIOs));
<> 144:ef7eb2e8f9f7 564
<> 144:ef7eb2e8f9f7 565 /* Set channel and shield IOs */
<> 144:ef7eb2e8f9f7 566 htsc->Instance->IOCCR = (config->ChannelIOs | config->ShieldIOs);
<> 144:ef7eb2e8f9f7 567
<> 144:ef7eb2e8f9f7 568 /* Set sampling IOs */
<> 144:ef7eb2e8f9f7 569 htsc->Instance->IOSCR = config->SamplingIOs;
<> 144:ef7eb2e8f9f7 570
<> 144:ef7eb2e8f9f7 571 /* Set groups to be acquired */
<> 144:ef7eb2e8f9f7 572 htsc->Instance->IOGCSR = TSC_extract_groups(config->ChannelIOs);
<> 144:ef7eb2e8f9f7 573
<> 144:ef7eb2e8f9f7 574 /* Process unlocked */
<> 144:ef7eb2e8f9f7 575 __HAL_UNLOCK(htsc);
<> 144:ef7eb2e8f9f7 576
<> 144:ef7eb2e8f9f7 577 /* Return function status */
<> 144:ef7eb2e8f9f7 578 return HAL_OK;
<> 144:ef7eb2e8f9f7 579 }
<> 144:ef7eb2e8f9f7 580
<> 144:ef7eb2e8f9f7 581 /**
<> 144:ef7eb2e8f9f7 582 * @brief Discharge TSC IOs
Anna Bridge 180:96ed750bd169 583 * @param htsc pointer to a TSC_HandleTypeDef structure that contains
<> 144:ef7eb2e8f9f7 584 * the configuration information for the specified TSC.
Anna Bridge 180:96ed750bd169 585 * @param choice enable or disable
<> 144:ef7eb2e8f9f7 586 * @retval HAL status
<> 144:ef7eb2e8f9f7 587 */
<> 144:ef7eb2e8f9f7 588 HAL_StatusTypeDef HAL_TSC_IODischarge(TSC_HandleTypeDef* htsc, uint32_t choice)
<> 144:ef7eb2e8f9f7 589 {
<> 144:ef7eb2e8f9f7 590 /* Check the parameters */
<> 144:ef7eb2e8f9f7 591 assert_param(IS_TSC_ALL_INSTANCE(htsc->Instance));
<> 144:ef7eb2e8f9f7 592
<> 144:ef7eb2e8f9f7 593 /* Process locked */
<> 144:ef7eb2e8f9f7 594 __HAL_LOCK(htsc);
<> 144:ef7eb2e8f9f7 595
<> 144:ef7eb2e8f9f7 596 if (choice == ENABLE)
<> 144:ef7eb2e8f9f7 597 {
<> 144:ef7eb2e8f9f7 598 __HAL_TSC_SET_IODEF_OUTPPLOW(htsc);
<> 144:ef7eb2e8f9f7 599 }
<> 144:ef7eb2e8f9f7 600 else
<> 144:ef7eb2e8f9f7 601 {
<> 144:ef7eb2e8f9f7 602 __HAL_TSC_SET_IODEF_INFLOAT(htsc);
<> 144:ef7eb2e8f9f7 603 }
<> 144:ef7eb2e8f9f7 604
<> 144:ef7eb2e8f9f7 605 /* Process unlocked */
<> 144:ef7eb2e8f9f7 606 __HAL_UNLOCK(htsc);
<> 144:ef7eb2e8f9f7 607
<> 144:ef7eb2e8f9f7 608 /* Return the group acquisition counter */
<> 144:ef7eb2e8f9f7 609 return HAL_OK;
<> 144:ef7eb2e8f9f7 610 }
<> 144:ef7eb2e8f9f7 611
<> 144:ef7eb2e8f9f7 612 /**
<> 144:ef7eb2e8f9f7 613 * @}
<> 144:ef7eb2e8f9f7 614 */
<> 144:ef7eb2e8f9f7 615
<> 144:ef7eb2e8f9f7 616 /** @defgroup TSC_Exported_Functions_Group4 State functions
<> 144:ef7eb2e8f9f7 617 * @brief State functions
<> 144:ef7eb2e8f9f7 618 *
<> 144:ef7eb2e8f9f7 619 @verbatim
<> 144:ef7eb2e8f9f7 620 ===============================================================================
<> 144:ef7eb2e8f9f7 621 ##### State functions #####
<> 144:ef7eb2e8f9f7 622 ===============================================================================
<> 144:ef7eb2e8f9f7 623 [..]
<> 144:ef7eb2e8f9f7 624 This subsection provides functions allowing to
<> 144:ef7eb2e8f9f7 625 (+) Get TSC state.
<> 144:ef7eb2e8f9f7 626 (+) Poll for acquisition completed.
<> 144:ef7eb2e8f9f7 627 (+) Handles TSC interrupt request.
<> 144:ef7eb2e8f9f7 628
<> 144:ef7eb2e8f9f7 629 @endverbatim
<> 144:ef7eb2e8f9f7 630 * @{
<> 144:ef7eb2e8f9f7 631 */
<> 144:ef7eb2e8f9f7 632
<> 144:ef7eb2e8f9f7 633 /**
<> 144:ef7eb2e8f9f7 634 * @brief Return the TSC state
Anna Bridge 180:96ed750bd169 635 * @param htsc pointer to a TSC_HandleTypeDef structure that contains
<> 144:ef7eb2e8f9f7 636 * the configuration information for the specified TSC.
<> 144:ef7eb2e8f9f7 637 * @retval HAL state
<> 144:ef7eb2e8f9f7 638 */
<> 144:ef7eb2e8f9f7 639 HAL_TSC_StateTypeDef HAL_TSC_GetState(TSC_HandleTypeDef* htsc)
<> 144:ef7eb2e8f9f7 640 {
<> 144:ef7eb2e8f9f7 641 /* Check the parameters */
<> 144:ef7eb2e8f9f7 642 assert_param(IS_TSC_ALL_INSTANCE(htsc->Instance));
<> 144:ef7eb2e8f9f7 643
<> 144:ef7eb2e8f9f7 644 if (htsc->State == HAL_TSC_STATE_BUSY)
<> 144:ef7eb2e8f9f7 645 {
<> 144:ef7eb2e8f9f7 646 /* Check end of acquisition flag */
<> 144:ef7eb2e8f9f7 647 if (__HAL_TSC_GET_FLAG(htsc, TSC_FLAG_EOA) != RESET)
<> 144:ef7eb2e8f9f7 648 {
<> 144:ef7eb2e8f9f7 649 /* Check max count error flag */
<> 144:ef7eb2e8f9f7 650 if (__HAL_TSC_GET_FLAG(htsc, TSC_FLAG_MCE) != RESET)
<> 144:ef7eb2e8f9f7 651 {
<> 144:ef7eb2e8f9f7 652 /* Change TSC state */
<> 144:ef7eb2e8f9f7 653 htsc->State = HAL_TSC_STATE_ERROR;
<> 144:ef7eb2e8f9f7 654 }
<> 144:ef7eb2e8f9f7 655 else
<> 144:ef7eb2e8f9f7 656 {
<> 144:ef7eb2e8f9f7 657 /* Change TSC state */
<> 144:ef7eb2e8f9f7 658 htsc->State = HAL_TSC_STATE_READY;
<> 144:ef7eb2e8f9f7 659 }
<> 144:ef7eb2e8f9f7 660 }
<> 144:ef7eb2e8f9f7 661 }
<> 144:ef7eb2e8f9f7 662
<> 144:ef7eb2e8f9f7 663 /* Return TSC state */
<> 144:ef7eb2e8f9f7 664 return htsc->State;
<> 144:ef7eb2e8f9f7 665 }
<> 144:ef7eb2e8f9f7 666
<> 144:ef7eb2e8f9f7 667 /**
<> 144:ef7eb2e8f9f7 668 * @brief Start acquisition and wait until completion
<> 144:ef7eb2e8f9f7 669 * @note There is no need of a timeout parameter as the max count error is already
<> 144:ef7eb2e8f9f7 670 * managed by the TSC peripheral.
Anna Bridge 180:96ed750bd169 671 * @param htsc pointer to a TSC_HandleTypeDef structure that contains
<> 144:ef7eb2e8f9f7 672 * the configuration information for the specified TSC.
<> 144:ef7eb2e8f9f7 673 * @retval HAL state
<> 144:ef7eb2e8f9f7 674 */
<> 144:ef7eb2e8f9f7 675 HAL_StatusTypeDef HAL_TSC_PollForAcquisition(TSC_HandleTypeDef* htsc)
<> 144:ef7eb2e8f9f7 676 {
<> 144:ef7eb2e8f9f7 677 /* Check the parameters */
<> 144:ef7eb2e8f9f7 678 assert_param(IS_TSC_ALL_INSTANCE(htsc->Instance));
<> 144:ef7eb2e8f9f7 679
<> 144:ef7eb2e8f9f7 680 /* Process locked */
<> 144:ef7eb2e8f9f7 681 __HAL_LOCK(htsc);
<> 144:ef7eb2e8f9f7 682
<> 144:ef7eb2e8f9f7 683 /* Check end of acquisition */
<> 144:ef7eb2e8f9f7 684 while (HAL_TSC_GetState(htsc) == HAL_TSC_STATE_BUSY)
<> 144:ef7eb2e8f9f7 685 {
<> 144:ef7eb2e8f9f7 686 /* The timeout (max count error) is managed by the TSC peripheral itself. */
<> 144:ef7eb2e8f9f7 687 }
<> 144:ef7eb2e8f9f7 688
<> 144:ef7eb2e8f9f7 689 /* Process unlocked */
<> 144:ef7eb2e8f9f7 690 __HAL_UNLOCK(htsc);
<> 144:ef7eb2e8f9f7 691
<> 144:ef7eb2e8f9f7 692 return HAL_OK;
<> 144:ef7eb2e8f9f7 693 }
<> 144:ef7eb2e8f9f7 694
<> 144:ef7eb2e8f9f7 695 /**
<> 144:ef7eb2e8f9f7 696 * @brief Handles TSC interrupt request
Anna Bridge 180:96ed750bd169 697 * @param htsc pointer to a TSC_HandleTypeDef structure that contains
<> 144:ef7eb2e8f9f7 698 * the configuration information for the specified TSC.
<> 144:ef7eb2e8f9f7 699 * @retval None
<> 144:ef7eb2e8f9f7 700 */
<> 144:ef7eb2e8f9f7 701 void HAL_TSC_IRQHandler(TSC_HandleTypeDef* htsc)
<> 144:ef7eb2e8f9f7 702 {
<> 144:ef7eb2e8f9f7 703 /* Check the parameters */
<> 144:ef7eb2e8f9f7 704 assert_param(IS_TSC_ALL_INSTANCE(htsc->Instance));
<> 144:ef7eb2e8f9f7 705
<> 144:ef7eb2e8f9f7 706 /* Check if the end of acquisition occured */
<> 144:ef7eb2e8f9f7 707 if (__HAL_TSC_GET_FLAG(htsc, TSC_FLAG_EOA) != RESET)
<> 144:ef7eb2e8f9f7 708 {
<> 144:ef7eb2e8f9f7 709 /* Clear EOA flag */
<> 144:ef7eb2e8f9f7 710 __HAL_TSC_CLEAR_FLAG(htsc, TSC_FLAG_EOA);
<> 144:ef7eb2e8f9f7 711 }
<> 144:ef7eb2e8f9f7 712
<> 144:ef7eb2e8f9f7 713 /* Check if max count error occured */
<> 144:ef7eb2e8f9f7 714 if (__HAL_TSC_GET_FLAG(htsc, TSC_FLAG_MCE) != RESET)
<> 144:ef7eb2e8f9f7 715 {
<> 144:ef7eb2e8f9f7 716 /* Clear MCE flag */
<> 144:ef7eb2e8f9f7 717 __HAL_TSC_CLEAR_FLAG(htsc, TSC_FLAG_MCE);
<> 144:ef7eb2e8f9f7 718 /* Change TSC state */
<> 144:ef7eb2e8f9f7 719 htsc->State = HAL_TSC_STATE_ERROR;
<> 144:ef7eb2e8f9f7 720 /* Conversion completed callback */
<> 144:ef7eb2e8f9f7 721 HAL_TSC_ErrorCallback(htsc);
<> 144:ef7eb2e8f9f7 722 }
<> 144:ef7eb2e8f9f7 723 else
<> 144:ef7eb2e8f9f7 724 {
<> 144:ef7eb2e8f9f7 725 /* Change TSC state */
<> 144:ef7eb2e8f9f7 726 htsc->State = HAL_TSC_STATE_READY;
<> 144:ef7eb2e8f9f7 727 /* Conversion completed callback */
<> 144:ef7eb2e8f9f7 728 HAL_TSC_ConvCpltCallback(htsc);
<> 144:ef7eb2e8f9f7 729 }
<> 144:ef7eb2e8f9f7 730 }
<> 144:ef7eb2e8f9f7 731
<> 144:ef7eb2e8f9f7 732 /**
<> 144:ef7eb2e8f9f7 733 * @}
<> 144:ef7eb2e8f9f7 734 */
<> 144:ef7eb2e8f9f7 735
<> 144:ef7eb2e8f9f7 736 /** @defgroup TSC_Exported_Functions_Group5 Callback functions
<> 144:ef7eb2e8f9f7 737 * @brief Callback functions
<> 144:ef7eb2e8f9f7 738 * @{
<> 144:ef7eb2e8f9f7 739 */
<> 144:ef7eb2e8f9f7 740
<> 144:ef7eb2e8f9f7 741 /**
<> 144:ef7eb2e8f9f7 742 * @brief Acquisition completed callback in non blocking mode
Anna Bridge 180:96ed750bd169 743 * @param htsc pointer to a TSC_HandleTypeDef structure that contains
<> 144:ef7eb2e8f9f7 744 * the configuration information for the specified TSC.
<> 144:ef7eb2e8f9f7 745 * @retval None
<> 144:ef7eb2e8f9f7 746 */
<> 144:ef7eb2e8f9f7 747 __weak void HAL_TSC_ConvCpltCallback(TSC_HandleTypeDef* htsc)
<> 144:ef7eb2e8f9f7 748 {
<> 144:ef7eb2e8f9f7 749 /* Prevent unused argument(s) compilation warning */
<> 144:ef7eb2e8f9f7 750 UNUSED(htsc);
<> 144:ef7eb2e8f9f7 751
<> 144:ef7eb2e8f9f7 752 /* NOTE : This function should not be modified, when the callback is needed,
<> 144:ef7eb2e8f9f7 753 the HAL_TSC_ConvCpltCallback could be implemented in the user file.
<> 144:ef7eb2e8f9f7 754 */
<> 144:ef7eb2e8f9f7 755 }
<> 144:ef7eb2e8f9f7 756
<> 144:ef7eb2e8f9f7 757 /**
<> 144:ef7eb2e8f9f7 758 * @brief Error callback in non blocking mode
Anna Bridge 180:96ed750bd169 759 * @param htsc pointer to a TSC_HandleTypeDef structure that contains
<> 144:ef7eb2e8f9f7 760 * the configuration information for the specified TSC.
<> 144:ef7eb2e8f9f7 761 * @retval None
<> 144:ef7eb2e8f9f7 762 */
<> 144:ef7eb2e8f9f7 763 __weak void HAL_TSC_ErrorCallback(TSC_HandleTypeDef* htsc)
<> 144:ef7eb2e8f9f7 764 {
<> 144:ef7eb2e8f9f7 765 /* Prevent unused argument(s) compilation warning */
<> 144:ef7eb2e8f9f7 766 UNUSED(htsc);
<> 144:ef7eb2e8f9f7 767
<> 144:ef7eb2e8f9f7 768 /* NOTE : This function should not be modified, when the callback is needed,
<> 144:ef7eb2e8f9f7 769 the HAL_TSC_ErrorCallback could be implemented in the user file.
<> 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 * @}
<> 144:ef7eb2e8f9f7 779 */
<> 144:ef7eb2e8f9f7 780
<> 144:ef7eb2e8f9f7 781 /** @defgroup TSC_Private_Functions TSC Private Functions
<> 144:ef7eb2e8f9f7 782 * @{
<> 144:ef7eb2e8f9f7 783 */
<> 144:ef7eb2e8f9f7 784
<> 144:ef7eb2e8f9f7 785 /**
<> 144:ef7eb2e8f9f7 786 * @brief Utility function used to set the acquired groups mask
Anna Bridge 180:96ed750bd169 787 * @param iomask Channels IOs mask
<> 144:ef7eb2e8f9f7 788 * @retval Acquired groups mask
<> 144:ef7eb2e8f9f7 789 */
<> 144:ef7eb2e8f9f7 790 static uint32_t TSC_extract_groups(uint32_t iomask)
<> 144:ef7eb2e8f9f7 791 {
<> 156:95d6b41a828b 792 uint32_t groups = 0U;
<> 144:ef7eb2e8f9f7 793 uint32_t idx;
<> 144:ef7eb2e8f9f7 794
<> 156:95d6b41a828b 795 for (idx = 0U; idx < TSC_NB_OF_GROUPS; idx++)
<> 144:ef7eb2e8f9f7 796 {
<> 156:95d6b41a828b 797 if ((iomask & (0x0FU << (idx * 4U))) != RESET)
<> 144:ef7eb2e8f9f7 798 {
<> 156:95d6b41a828b 799 groups |= (1U << idx);
<> 144:ef7eb2e8f9f7 800 }
<> 144:ef7eb2e8f9f7 801 }
<> 144:ef7eb2e8f9f7 802
<> 144:ef7eb2e8f9f7 803 return groups;
<> 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 * @}
<> 144:ef7eb2e8f9f7 816 */
<> 144:ef7eb2e8f9f7 817
<> 144:ef7eb2e8f9f7 818 #endif /* defined(STM32F051x8) || defined(STM32F071xB) || defined(STM32F091xC) || */
<> 144:ef7eb2e8f9f7 819 /* defined(STM32F042x6) || defined(STM32F072xB) || */
<> 144:ef7eb2e8f9f7 820 /* defined(STM32F048xx) || defined(STM32F058xx) || defined(STM32F078xx) || defined(STM32F098xx) */
<> 144:ef7eb2e8f9f7 821
<> 144:ef7eb2e8f9f7 822 #endif /* HAL_TSC_MODULE_ENABLED */
<> 144:ef7eb2e8f9f7 823
<> 144:ef7eb2e8f9f7 824 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/