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mbed library sources. Supersedes mbed-src.

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targets/cmsis/TARGET_STM/TARGET_STM32F0/stm32f0xx_hal_tsc.c@0:9b334a45a8ff, 2015-10-01 (annotated)

Committer:
bogdanm
Date:
Thu Oct 01 15:25:22 2015 +0300
Revision:
0:9b334a45a8ff
Child:
144:ef7eb2e8f9f7
Initial commit on mbed-dev



Replaces mbed-src (now inactive)

Who changed what in which revision?

UserRevisionLine numberNew contents of line
bogdanm 0:9b334a45a8ff 1 /**
bogdanm 0:9b334a45a8ff 2 ******************************************************************************
bogdanm 0:9b334a45a8ff 3 * @file stm32f0xx_hal_tsc.c
bogdanm 0:9b334a45a8ff 4 * @author MCD Application Team
bogdanm 0:9b334a45a8ff 5 * @version V1.3.0
bogdanm 0:9b334a45a8ff 6 * @date 26-June-2015
bogdanm 0:9b334a45a8ff 7 * @brief This file provides firmware functions to manage the following
bogdanm 0:9b334a45a8ff 8 * functionalities of the Touch Sensing Controller (TSC) peripheral:
bogdanm 0:9b334a45a8ff 9 * + Initialization and DeInitialization
bogdanm 0:9b334a45a8ff 10 * + Channel IOs, Shield IOs and Sampling IOs configuration
bogdanm 0:9b334a45a8ff 11 * + Start and Stop an acquisition
bogdanm 0:9b334a45a8ff 12 * + Read acquisition result
bogdanm 0:9b334a45a8ff 13 * + Interrupts and flags management
bogdanm 0:9b334a45a8ff 14 *
bogdanm 0:9b334a45a8ff 15 @verbatim
bogdanm 0:9b334a45a8ff 16 ================================================================================
bogdanm 0:9b334a45a8ff 17 ##### TSC specific features #####
bogdanm 0:9b334a45a8ff 18 ================================================================================
bogdanm 0:9b334a45a8ff 19 [..]
bogdanm 0:9b334a45a8ff 20 (#) Proven and robust surface charge transfer acquisition principle
bogdanm 0:9b334a45a8ff 21
bogdanm 0:9b334a45a8ff 22 (#) Supports up to 3 capacitive sensing channels per group
bogdanm 0:9b334a45a8ff 23
bogdanm 0:9b334a45a8ff 24 (#) Capacitive sensing channels can be acquired in parallel offering a very good
bogdanm 0:9b334a45a8ff 25 response time
bogdanm 0:9b334a45a8ff 26
bogdanm 0:9b334a45a8ff 27 (#) Spread spectrum feature to improve system robustness in noisy environments
bogdanm 0:9b334a45a8ff 28
bogdanm 0:9b334a45a8ff 29 (#) Full hardware management of the charge transfer acquisition sequence
bogdanm 0:9b334a45a8ff 30
bogdanm 0:9b334a45a8ff 31 (#) Programmable charge transfer frequency
bogdanm 0:9b334a45a8ff 32
bogdanm 0:9b334a45a8ff 33 (#) Programmable sampling capacitor I/O pin
bogdanm 0:9b334a45a8ff 34
bogdanm 0:9b334a45a8ff 35 (#) Programmable channel I/O pin
bogdanm 0:9b334a45a8ff 36
bogdanm 0:9b334a45a8ff 37 (#) Programmable max count value to avoid long acquisition when a channel is faulty
bogdanm 0:9b334a45a8ff 38
bogdanm 0:9b334a45a8ff 39 (#) Dedicated end of acquisition and max count error flags with interrupt capability
bogdanm 0:9b334a45a8ff 40
bogdanm 0:9b334a45a8ff 41 (#) One sampling capacitor for up to 3 capacitive sensing channels to reduce the system
bogdanm 0:9b334a45a8ff 42 components
bogdanm 0:9b334a45a8ff 43
bogdanm 0:9b334a45a8ff 44 (#) Compatible with proximity, touchkey, linear and rotary touch sensor implementation
bogdanm 0:9b334a45a8ff 45
bogdanm 0:9b334a45a8ff 46
bogdanm 0:9b334a45a8ff 47 ##### How to use this driver #####
bogdanm 0:9b334a45a8ff 48 ================================================================================
bogdanm 0:9b334a45a8ff 49 [..]
bogdanm 0:9b334a45a8ff 50 (#) Enable the TSC interface clock using __HAL_RCC_TSC_CLK_ENABLE() macro.
bogdanm 0:9b334a45a8ff 51
bogdanm 0:9b334a45a8ff 52 (#) GPIO pins configuration
bogdanm 0:9b334a45a8ff 53 (++) Enable the clock for the TSC GPIOs using __HAL_RCC_GPIOx_CLK_ENABLE() macro.
bogdanm 0:9b334a45a8ff 54 (++) Configure the TSC pins used as sampling IOs in alternate function output Open-Drain mode,
bogdanm 0:9b334a45a8ff 55 and TSC pins used as channel/shield IOs in alternate function output Push-Pull mode
bogdanm 0:9b334a45a8ff 56 using HAL_GPIO_Init() function.
bogdanm 0:9b334a45a8ff 57 (++) Configure the alternate function on all the TSC pins using HAL_xxxx() function.
bogdanm 0:9b334a45a8ff 58
bogdanm 0:9b334a45a8ff 59 (#) Interrupts configuration
bogdanm 0:9b334a45a8ff 60 (++) Configure the NVIC (if the interrupt model is used) using HAL_xxx() function.
bogdanm 0:9b334a45a8ff 61
bogdanm 0:9b334a45a8ff 62 (#) TSC configuration
bogdanm 0:9b334a45a8ff 63 (++) Configure all TSC parameters and used TSC IOs using HAL_TSC_Init() function.
bogdanm 0:9b334a45a8ff 64
bogdanm 0:9b334a45a8ff 65 *** Acquisition sequence ***
bogdanm 0:9b334a45a8ff 66 ===================================
bogdanm 0:9b334a45a8ff 67 [..]
bogdanm 0:9b334a45a8ff 68 (+) Discharge all IOs using HAL_TSC_IODischarge() function.
bogdanm 0:9b334a45a8ff 69 (+) Wait a certain time allowing a good discharge of all capacitors. This delay depends
bogdanm 0:9b334a45a8ff 70 of the sampling capacitor and electrodes design.
bogdanm 0:9b334a45a8ff 71 (+) Select the channel IOs to be acquired using HAL_TSC_IOConfig() function.
bogdanm 0:9b334a45a8ff 72 (+) Launch the acquisition using either HAL_TSC_Start() or HAL_TSC_Start_IT() function.
bogdanm 0:9b334a45a8ff 73 If the synchronized mode is selected, the acquisition will start as soon as the signal
bogdanm 0:9b334a45a8ff 74 is received on the synchro pin.
bogdanm 0:9b334a45a8ff 75 (+) Wait the end of acquisition using either HAL_TSC_PollForAcquisition() or
bogdanm 0:9b334a45a8ff 76 HAL_TSC_GetState() function or using WFI instruction for example.
bogdanm 0:9b334a45a8ff 77 (+) Check the group acquisition status using HAL_TSC_GroupGetStatus() function.
bogdanm 0:9b334a45a8ff 78 (+) Read the acquisition value using HAL_TSC_GroupGetValue() function.
bogdanm 0:9b334a45a8ff 79
bogdanm 0:9b334a45a8ff 80 @endverbatim
bogdanm 0:9b334a45a8ff 81 ******************************************************************************
bogdanm 0:9b334a45a8ff 82 * @attention
bogdanm 0:9b334a45a8ff 83 *
bogdanm 0:9b334a45a8ff 84 * <h2><center>&copy; COPYRIGHT(c) 2015 STMicroelectronics</center></h2>
bogdanm 0:9b334a45a8ff 85 *
bogdanm 0:9b334a45a8ff 86 * Redistribution and use in source and binary forms, with or without modification,
bogdanm 0:9b334a45a8ff 87 * are permitted provided that the following conditions are met:
bogdanm 0:9b334a45a8ff 88 * 1. Redistributions of source code must retain the above copyright notice,
bogdanm 0:9b334a45a8ff 89 * this list of conditions and the following disclaimer.
bogdanm 0:9b334a45a8ff 90 * 2. Redistributions in binary form must reproduce the above copyright notice,
bogdanm 0:9b334a45a8ff 91 * this list of conditions and the following disclaimer in the documentation
bogdanm 0:9b334a45a8ff 92 * and/or other materials provided with the distribution.
bogdanm 0:9b334a45a8ff 93 * 3. Neither the name of STMicroelectronics nor the names of its contributors
bogdanm 0:9b334a45a8ff 94 * may be used to endorse or promote products derived from this software
bogdanm 0:9b334a45a8ff 95 * without specific prior written permission.
bogdanm 0:9b334a45a8ff 96 *
bogdanm 0:9b334a45a8ff 97 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
bogdanm 0:9b334a45a8ff 98 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
bogdanm 0:9b334a45a8ff 99 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
bogdanm 0:9b334a45a8ff 100 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
bogdanm 0:9b334a45a8ff 101 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
bogdanm 0:9b334a45a8ff 102 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
bogdanm 0:9b334a45a8ff 103 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
bogdanm 0:9b334a45a8ff 104 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
bogdanm 0:9b334a45a8ff 105 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
bogdanm 0:9b334a45a8ff 106 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
bogdanm 0:9b334a45a8ff 107 *
bogdanm 0:9b334a45a8ff 108 ******************************************************************************
bogdanm 0:9b334a45a8ff 109 */
bogdanm 0:9b334a45a8ff 110
bogdanm 0:9b334a45a8ff 111 /* Includes ------------------------------------------------------------------*/
bogdanm 0:9b334a45a8ff 112 #include "stm32f0xx_hal.h"
bogdanm 0:9b334a45a8ff 113
bogdanm 0:9b334a45a8ff 114 #ifdef HAL_TSC_MODULE_ENABLED
bogdanm 0:9b334a45a8ff 115
bogdanm 0:9b334a45a8ff 116 #if defined(STM32F051x8) || defined(STM32F071xB) || defined(STM32F091xC) || \
bogdanm 0:9b334a45a8ff 117 defined(STM32F042x6) || defined(STM32F072xB) || \
bogdanm 0:9b334a45a8ff 118 defined(STM32F048xx) || defined(STM32F058xx) || defined(STM32F078xx) || defined(STM32F098xx)
bogdanm 0:9b334a45a8ff 119
bogdanm 0:9b334a45a8ff 120 /** @addtogroup STM32F0xx_HAL_Driver
bogdanm 0:9b334a45a8ff 121 * @{
bogdanm 0:9b334a45a8ff 122 */
bogdanm 0:9b334a45a8ff 123
bogdanm 0:9b334a45a8ff 124 /** @defgroup TSC TSC
bogdanm 0:9b334a45a8ff 125 * @brief TSC HAL module driver
bogdanm 0:9b334a45a8ff 126 * @{
bogdanm 0:9b334a45a8ff 127 */
bogdanm 0:9b334a45a8ff 128
bogdanm 0:9b334a45a8ff 129 /* Private typedef -----------------------------------------------------------*/
bogdanm 0:9b334a45a8ff 130 /* Private define ------------------------------------------------------------*/
bogdanm 0:9b334a45a8ff 131 /* Private macro -------------------------------------------------------------*/
bogdanm 0:9b334a45a8ff 132 /* Private variables ---------------------------------------------------------*/
bogdanm 0:9b334a45a8ff 133 /* Private function prototypes -----------------------------------------------*/
bogdanm 0:9b334a45a8ff 134 static uint32_t TSC_extract_groups(uint32_t iomask);
bogdanm 0:9b334a45a8ff 135 /* Exported functions ---------------------------------------------------------*/
bogdanm 0:9b334a45a8ff 136
bogdanm 0:9b334a45a8ff 137 /** @defgroup TSC_Exported_Functions TSC Exported Functions
bogdanm 0:9b334a45a8ff 138 * @{
bogdanm 0:9b334a45a8ff 139 */
bogdanm 0:9b334a45a8ff 140
bogdanm 0:9b334a45a8ff 141 /** @defgroup TSC_Exported_Functions_Group1 Initialization/de-initialization functions
bogdanm 0:9b334a45a8ff 142 * @brief Initialization and Configuration functions
bogdanm 0:9b334a45a8ff 143 *
bogdanm 0:9b334a45a8ff 144 @verbatim
bogdanm 0:9b334a45a8ff 145 ===============================================================================
bogdanm 0:9b334a45a8ff 146 ##### Initialization and de-initialization functions #####
bogdanm 0:9b334a45a8ff 147 ===============================================================================
bogdanm 0:9b334a45a8ff 148 [..] This section provides functions allowing to:
bogdanm 0:9b334a45a8ff 149 (+) Initialize and configure the TSC.
bogdanm 0:9b334a45a8ff 150 (+) De-initialize the TSC.
bogdanm 0:9b334a45a8ff 151 @endverbatim
bogdanm 0:9b334a45a8ff 152 * @{
bogdanm 0:9b334a45a8ff 153 */
bogdanm 0:9b334a45a8ff 154
bogdanm 0:9b334a45a8ff 155 /**
bogdanm 0:9b334a45a8ff 156 * @brief Initializes the TSC peripheral according to the specified parameters
bogdanm 0:9b334a45a8ff 157 * in the TSC_InitTypeDef structure.
bogdanm 0:9b334a45a8ff 158 * @param htsc: TSC handle
bogdanm 0:9b334a45a8ff 159 * @retval HAL status
bogdanm 0:9b334a45a8ff 160 */
bogdanm 0:9b334a45a8ff 161 HAL_StatusTypeDef HAL_TSC_Init(TSC_HandleTypeDef* htsc)
bogdanm 0:9b334a45a8ff 162 {
bogdanm 0:9b334a45a8ff 163 /* Check TSC handle allocation */
bogdanm 0:9b334a45a8ff 164 if (htsc == NULL)
bogdanm 0:9b334a45a8ff 165 {
bogdanm 0:9b334a45a8ff 166 return HAL_ERROR;
bogdanm 0:9b334a45a8ff 167 }
bogdanm 0:9b334a45a8ff 168
bogdanm 0:9b334a45a8ff 169 /* Check the parameters */
bogdanm 0:9b334a45a8ff 170 assert_param(IS_TSC_ALL_INSTANCE(htsc->Instance));
bogdanm 0:9b334a45a8ff 171 assert_param(IS_TSC_CTPH(htsc->Init.CTPulseHighLength));
bogdanm 0:9b334a45a8ff 172 assert_param(IS_TSC_CTPL(htsc->Init.CTPulseLowLength));
bogdanm 0:9b334a45a8ff 173 assert_param(IS_TSC_SS(htsc->Init.SpreadSpectrum));
bogdanm 0:9b334a45a8ff 174 assert_param(IS_TSC_SSD(htsc->Init.SpreadSpectrumDeviation));
bogdanm 0:9b334a45a8ff 175 assert_param(IS_TSC_SS_PRESC(htsc->Init.SpreadSpectrumPrescaler));
bogdanm 0:9b334a45a8ff 176 assert_param(IS_TSC_PG_PRESC(htsc->Init.PulseGeneratorPrescaler));
bogdanm 0:9b334a45a8ff 177 assert_param(IS_TSC_MCV(htsc->Init.MaxCountValue));
bogdanm 0:9b334a45a8ff 178 assert_param(IS_TSC_IODEF(htsc->Init.IODefaultMode));
bogdanm 0:9b334a45a8ff 179 assert_param(IS_TSC_SYNC_POL(htsc->Init.SynchroPinPolarity));
bogdanm 0:9b334a45a8ff 180 assert_param(IS_TSC_ACQ_MODE(htsc->Init.AcquisitionMode));
bogdanm 0:9b334a45a8ff 181 assert_param(IS_TSC_MCE_IT(htsc->Init.MaxCountInterrupt));
bogdanm 0:9b334a45a8ff 182
bogdanm 0:9b334a45a8ff 183 if(htsc->State == HAL_TSC_STATE_RESET)
bogdanm 0:9b334a45a8ff 184 {
bogdanm 0:9b334a45a8ff 185 /* Allocate lock resource and initialize it */
bogdanm 0:9b334a45a8ff 186 htsc->Lock = HAL_UNLOCKED;
bogdanm 0:9b334a45a8ff 187 }
bogdanm 0:9b334a45a8ff 188
bogdanm 0:9b334a45a8ff 189 /* Initialize the TSC state */
bogdanm 0:9b334a45a8ff 190 htsc->State = HAL_TSC_STATE_BUSY;
bogdanm 0:9b334a45a8ff 191
bogdanm 0:9b334a45a8ff 192 /* Init the low level hardware : GPIO, CLOCK, CORTEX */
bogdanm 0:9b334a45a8ff 193 HAL_TSC_MspInit(htsc);
bogdanm 0:9b334a45a8ff 194
bogdanm 0:9b334a45a8ff 195 /*--------------------------------------------------------------------------*/
bogdanm 0:9b334a45a8ff 196 /* Set TSC parameters */
bogdanm 0:9b334a45a8ff 197
bogdanm 0:9b334a45a8ff 198 /* Enable TSC */
bogdanm 0:9b334a45a8ff 199 htsc->Instance->CR = TSC_CR_TSCE;
bogdanm 0:9b334a45a8ff 200
bogdanm 0:9b334a45a8ff 201 /* Set all functions */
bogdanm 0:9b334a45a8ff 202 htsc->Instance->CR |= (htsc->Init.CTPulseHighLength |
bogdanm 0:9b334a45a8ff 203 htsc->Init.CTPulseLowLength |
bogdanm 0:9b334a45a8ff 204 (uint32_t)(htsc->Init.SpreadSpectrumDeviation << 17) |
bogdanm 0:9b334a45a8ff 205 htsc->Init.SpreadSpectrumPrescaler |
bogdanm 0:9b334a45a8ff 206 htsc->Init.PulseGeneratorPrescaler |
bogdanm 0:9b334a45a8ff 207 htsc->Init.MaxCountValue |
bogdanm 0:9b334a45a8ff 208 htsc->Init.IODefaultMode |
bogdanm 0:9b334a45a8ff 209 htsc->Init.SynchroPinPolarity |
bogdanm 0:9b334a45a8ff 210 htsc->Init.AcquisitionMode);
bogdanm 0:9b334a45a8ff 211
bogdanm 0:9b334a45a8ff 212 /* Spread spectrum */
bogdanm 0:9b334a45a8ff 213 if (htsc->Init.SpreadSpectrum == ENABLE)
bogdanm 0:9b334a45a8ff 214 {
bogdanm 0:9b334a45a8ff 215 htsc->Instance->CR |= TSC_CR_SSE;
bogdanm 0:9b334a45a8ff 216 }
bogdanm 0:9b334a45a8ff 217
bogdanm 0:9b334a45a8ff 218 /* Disable Schmitt trigger hysteresis on all used TSC IOs */
bogdanm 0:9b334a45a8ff 219 htsc->Instance->IOHCR = (uint32_t)(~(htsc->Init.ChannelIOs | htsc->Init.ShieldIOs | htsc->Init.SamplingIOs));
bogdanm 0:9b334a45a8ff 220
bogdanm 0:9b334a45a8ff 221 /* Set channel and shield IOs */
bogdanm 0:9b334a45a8ff 222 htsc->Instance->IOCCR = (htsc->Init.ChannelIOs | htsc->Init.ShieldIOs);
bogdanm 0:9b334a45a8ff 223
bogdanm 0:9b334a45a8ff 224 /* Set sampling IOs */
bogdanm 0:9b334a45a8ff 225 htsc->Instance->IOSCR = htsc->Init.SamplingIOs;
bogdanm 0:9b334a45a8ff 226
bogdanm 0:9b334a45a8ff 227 /* Set the groups to be acquired */
bogdanm 0:9b334a45a8ff 228 htsc->Instance->IOGCSR = TSC_extract_groups(htsc->Init.ChannelIOs);
bogdanm 0:9b334a45a8ff 229
bogdanm 0:9b334a45a8ff 230 /* Clear interrupts */
bogdanm 0:9b334a45a8ff 231 htsc->Instance->IER &= (uint32_t)(~(TSC_IT_EOA | TSC_IT_MCE));
bogdanm 0:9b334a45a8ff 232
bogdanm 0:9b334a45a8ff 233 /* Clear flags */
bogdanm 0:9b334a45a8ff 234 htsc->Instance->ICR = (TSC_FLAG_EOA | TSC_FLAG_MCE);
bogdanm 0:9b334a45a8ff 235
bogdanm 0:9b334a45a8ff 236 /*--------------------------------------------------------------------------*/
bogdanm 0:9b334a45a8ff 237
bogdanm 0:9b334a45a8ff 238 /* Initialize the TSC state */
bogdanm 0:9b334a45a8ff 239 htsc->State = HAL_TSC_STATE_READY;
bogdanm 0:9b334a45a8ff 240
bogdanm 0:9b334a45a8ff 241 /* Return function status */
bogdanm 0:9b334a45a8ff 242 return HAL_OK;
bogdanm 0:9b334a45a8ff 243 }
bogdanm 0:9b334a45a8ff 244
bogdanm 0:9b334a45a8ff 245 /**
bogdanm 0:9b334a45a8ff 246 * @brief Deinitializes the TSC peripheral registers to their default reset values.
bogdanm 0:9b334a45a8ff 247 * @param htsc: TSC handle
bogdanm 0:9b334a45a8ff 248 * @retval HAL status
bogdanm 0:9b334a45a8ff 249 */
bogdanm 0:9b334a45a8ff 250 HAL_StatusTypeDef HAL_TSC_DeInit(TSC_HandleTypeDef* htsc)
bogdanm 0:9b334a45a8ff 251 {
bogdanm 0:9b334a45a8ff 252 /* Check TSC handle allocation */
bogdanm 0:9b334a45a8ff 253 if (htsc == NULL)
bogdanm 0:9b334a45a8ff 254 {
bogdanm 0:9b334a45a8ff 255 return HAL_ERROR;
bogdanm 0:9b334a45a8ff 256 }
bogdanm 0:9b334a45a8ff 257
bogdanm 0:9b334a45a8ff 258 /* Check the parameters */
bogdanm 0:9b334a45a8ff 259 assert_param(IS_TSC_ALL_INSTANCE(htsc->Instance));
bogdanm 0:9b334a45a8ff 260
bogdanm 0:9b334a45a8ff 261 /* Change TSC state */
bogdanm 0:9b334a45a8ff 262 htsc->State = HAL_TSC_STATE_BUSY;
bogdanm 0:9b334a45a8ff 263
bogdanm 0:9b334a45a8ff 264 /* DeInit the low level hardware */
bogdanm 0:9b334a45a8ff 265 HAL_TSC_MspDeInit(htsc);
bogdanm 0:9b334a45a8ff 266
bogdanm 0:9b334a45a8ff 267 /* Change TSC state */
bogdanm 0:9b334a45a8ff 268 htsc->State = HAL_TSC_STATE_RESET;
bogdanm 0:9b334a45a8ff 269
bogdanm 0:9b334a45a8ff 270 /* Process unlocked */
bogdanm 0:9b334a45a8ff 271 __HAL_UNLOCK(htsc);
bogdanm 0:9b334a45a8ff 272
bogdanm 0:9b334a45a8ff 273 /* Return function status */
bogdanm 0:9b334a45a8ff 274 return HAL_OK;
bogdanm 0:9b334a45a8ff 275 }
bogdanm 0:9b334a45a8ff 276
bogdanm 0:9b334a45a8ff 277 /**
bogdanm 0:9b334a45a8ff 278 * @brief Initializes the TSC MSP.
bogdanm 0:9b334a45a8ff 279 * @param htsc: pointer to a TSC_HandleTypeDef structure that contains
bogdanm 0:9b334a45a8ff 280 * the configuration information for the specified TSC.
bogdanm 0:9b334a45a8ff 281 * @retval None
bogdanm 0:9b334a45a8ff 282 */
bogdanm 0:9b334a45a8ff 283 __weak void HAL_TSC_MspInit(TSC_HandleTypeDef* htsc)
bogdanm 0:9b334a45a8ff 284 {
bogdanm 0:9b334a45a8ff 285 /* NOTE : This function should not be modified, when the callback is needed,
bogdanm 0:9b334a45a8ff 286 the HAL_TSC_MspInit could be implemented in the user file.
bogdanm 0:9b334a45a8ff 287 */
bogdanm 0:9b334a45a8ff 288 }
bogdanm 0:9b334a45a8ff 289
bogdanm 0:9b334a45a8ff 290 /**
bogdanm 0:9b334a45a8ff 291 * @brief DeInitializes the TSC MSP.
bogdanm 0:9b334a45a8ff 292 * @param htsc: pointer to a TSC_HandleTypeDef structure that contains
bogdanm 0:9b334a45a8ff 293 * the configuration information for the specified TSC.
bogdanm 0:9b334a45a8ff 294 * @retval None
bogdanm 0:9b334a45a8ff 295 */
bogdanm 0:9b334a45a8ff 296 __weak void HAL_TSC_MspDeInit(TSC_HandleTypeDef* htsc)
bogdanm 0:9b334a45a8ff 297 {
bogdanm 0:9b334a45a8ff 298 /* NOTE : This function should not be modified, when the callback is needed,
bogdanm 0:9b334a45a8ff 299 the HAL_TSC_MspDeInit could be implemented in the user file.
bogdanm 0:9b334a45a8ff 300 */
bogdanm 0:9b334a45a8ff 301 }
bogdanm 0:9b334a45a8ff 302
bogdanm 0:9b334a45a8ff 303 /**
bogdanm 0:9b334a45a8ff 304 * @}
bogdanm 0:9b334a45a8ff 305 */
bogdanm 0:9b334a45a8ff 306
bogdanm 0:9b334a45a8ff 307 /** @defgroup TSC_Exported_Functions_Group2 IO operation functions
bogdanm 0:9b334a45a8ff 308 * @brief IO operation functions
bogdanm 0:9b334a45a8ff 309 *
bogdanm 0:9b334a45a8ff 310 @verbatim
bogdanm 0:9b334a45a8ff 311 ===============================================================================
bogdanm 0:9b334a45a8ff 312 ##### IO operation functions #####
bogdanm 0:9b334a45a8ff 313 ===============================================================================
bogdanm 0:9b334a45a8ff 314 [..] This section provides functions allowing to:
bogdanm 0:9b334a45a8ff 315 (+) Start acquisition in polling mode.
bogdanm 0:9b334a45a8ff 316 (+) Start acquisition in interrupt mode.
bogdanm 0:9b334a45a8ff 317 (+) Stop conversion in polling mode.
bogdanm 0:9b334a45a8ff 318 (+) Stop conversion in interrupt mode.
bogdanm 0:9b334a45a8ff 319 (+) Get group acquisition status.
bogdanm 0:9b334a45a8ff 320 (+) Get group acquisition value.
bogdanm 0:9b334a45a8ff 321 @endverbatim
bogdanm 0:9b334a45a8ff 322 * @{
bogdanm 0:9b334a45a8ff 323 */
bogdanm 0:9b334a45a8ff 324
bogdanm 0:9b334a45a8ff 325 /**
bogdanm 0:9b334a45a8ff 326 * @brief Starts the acquisition.
bogdanm 0:9b334a45a8ff 327 * @param htsc: pointer to a TSC_HandleTypeDef structure that contains
bogdanm 0:9b334a45a8ff 328 * the configuration information for the specified TSC.
bogdanm 0:9b334a45a8ff 329 * @retval HAL status
bogdanm 0:9b334a45a8ff 330 */
bogdanm 0:9b334a45a8ff 331 HAL_StatusTypeDef HAL_TSC_Start(TSC_HandleTypeDef* htsc)
bogdanm 0:9b334a45a8ff 332 {
bogdanm 0:9b334a45a8ff 333 /* Check the parameters */
bogdanm 0:9b334a45a8ff 334 assert_param(IS_TSC_ALL_INSTANCE(htsc->Instance));
bogdanm 0:9b334a45a8ff 335
bogdanm 0:9b334a45a8ff 336 /* Process locked */
bogdanm 0:9b334a45a8ff 337 __HAL_LOCK(htsc);
bogdanm 0:9b334a45a8ff 338
bogdanm 0:9b334a45a8ff 339 /* Change TSC state */
bogdanm 0:9b334a45a8ff 340 htsc->State = HAL_TSC_STATE_BUSY;
bogdanm 0:9b334a45a8ff 341
bogdanm 0:9b334a45a8ff 342 /* Clear interrupts */
bogdanm 0:9b334a45a8ff 343 __HAL_TSC_DISABLE_IT(htsc, (TSC_IT_EOA | TSC_IT_MCE));
bogdanm 0:9b334a45a8ff 344
bogdanm 0:9b334a45a8ff 345 /* Clear flags */
bogdanm 0:9b334a45a8ff 346 __HAL_TSC_CLEAR_FLAG(htsc, (TSC_FLAG_EOA | TSC_FLAG_MCE));
bogdanm 0:9b334a45a8ff 347
bogdanm 0:9b334a45a8ff 348 /* Stop discharging the IOs */
bogdanm 0:9b334a45a8ff 349 __HAL_TSC_SET_IODEF_INFLOAT(htsc);
bogdanm 0:9b334a45a8ff 350
bogdanm 0:9b334a45a8ff 351 /* Launch the acquisition */
bogdanm 0:9b334a45a8ff 352 __HAL_TSC_START_ACQ(htsc);
bogdanm 0:9b334a45a8ff 353
bogdanm 0:9b334a45a8ff 354 /* Process unlocked */
bogdanm 0:9b334a45a8ff 355 __HAL_UNLOCK(htsc);
bogdanm 0:9b334a45a8ff 356
bogdanm 0:9b334a45a8ff 357 /* Return function status */
bogdanm 0:9b334a45a8ff 358 return HAL_OK;
bogdanm 0:9b334a45a8ff 359 }
bogdanm 0:9b334a45a8ff 360
bogdanm 0:9b334a45a8ff 361 /**
bogdanm 0:9b334a45a8ff 362 * @brief Enables the interrupt and starts the acquisition
bogdanm 0:9b334a45a8ff 363 * @param htsc: pointer to a TSC_HandleTypeDef structure that contains
bogdanm 0:9b334a45a8ff 364 * the configuration information for the specified TSC.
bogdanm 0:9b334a45a8ff 365 * @retval HAL status.
bogdanm 0:9b334a45a8ff 366 */
bogdanm 0:9b334a45a8ff 367 HAL_StatusTypeDef HAL_TSC_Start_IT(TSC_HandleTypeDef* htsc)
bogdanm 0:9b334a45a8ff 368 {
bogdanm 0:9b334a45a8ff 369 /* Check the parameters */
bogdanm 0:9b334a45a8ff 370 assert_param(IS_TSC_ALL_INSTANCE(htsc->Instance));
bogdanm 0:9b334a45a8ff 371 assert_param(IS_TSC_MCE_IT(htsc->Init.MaxCountInterrupt));
bogdanm 0:9b334a45a8ff 372
bogdanm 0:9b334a45a8ff 373 /* Process locked */
bogdanm 0:9b334a45a8ff 374 __HAL_LOCK(htsc);
bogdanm 0:9b334a45a8ff 375
bogdanm 0:9b334a45a8ff 376 /* Change TSC state */
bogdanm 0:9b334a45a8ff 377 htsc->State = HAL_TSC_STATE_BUSY;
bogdanm 0:9b334a45a8ff 378
bogdanm 0:9b334a45a8ff 379 /* Enable end of acquisition interrupt */
bogdanm 0:9b334a45a8ff 380 __HAL_TSC_ENABLE_IT(htsc, TSC_IT_EOA);
bogdanm 0:9b334a45a8ff 381
bogdanm 0:9b334a45a8ff 382 /* Enable max count error interrupt (optional) */
bogdanm 0:9b334a45a8ff 383 if (htsc->Init.MaxCountInterrupt == ENABLE)
bogdanm 0:9b334a45a8ff 384 {
bogdanm 0:9b334a45a8ff 385 __HAL_TSC_ENABLE_IT(htsc, TSC_IT_MCE);
bogdanm 0:9b334a45a8ff 386 }
bogdanm 0:9b334a45a8ff 387 else
bogdanm 0:9b334a45a8ff 388 {
bogdanm 0:9b334a45a8ff 389 __HAL_TSC_DISABLE_IT(htsc, TSC_IT_MCE);
bogdanm 0:9b334a45a8ff 390 }
bogdanm 0:9b334a45a8ff 391
bogdanm 0:9b334a45a8ff 392 /* Clear flags */
bogdanm 0:9b334a45a8ff 393 __HAL_TSC_CLEAR_FLAG(htsc, (TSC_FLAG_EOA | TSC_FLAG_MCE));
bogdanm 0:9b334a45a8ff 394
bogdanm 0:9b334a45a8ff 395 /* Stop discharging the IOs */
bogdanm 0:9b334a45a8ff 396 __HAL_TSC_SET_IODEF_INFLOAT(htsc);
bogdanm 0:9b334a45a8ff 397
bogdanm 0:9b334a45a8ff 398 /* Launch the acquisition */
bogdanm 0:9b334a45a8ff 399 __HAL_TSC_START_ACQ(htsc);
bogdanm 0:9b334a45a8ff 400
bogdanm 0:9b334a45a8ff 401 /* Process unlocked */
bogdanm 0:9b334a45a8ff 402 __HAL_UNLOCK(htsc);
bogdanm 0:9b334a45a8ff 403
bogdanm 0:9b334a45a8ff 404 /* Return function status */
bogdanm 0:9b334a45a8ff 405 return HAL_OK;
bogdanm 0:9b334a45a8ff 406 }
bogdanm 0:9b334a45a8ff 407
bogdanm 0:9b334a45a8ff 408 /**
bogdanm 0:9b334a45a8ff 409 * @brief Stops the acquisition previously launched in polling mode
bogdanm 0:9b334a45a8ff 410 * @param htsc: pointer to a TSC_HandleTypeDef structure that contains
bogdanm 0:9b334a45a8ff 411 * the configuration information for the specified TSC.
bogdanm 0:9b334a45a8ff 412 * @retval HAL status
bogdanm 0:9b334a45a8ff 413 */
bogdanm 0:9b334a45a8ff 414 HAL_StatusTypeDef HAL_TSC_Stop(TSC_HandleTypeDef* htsc)
bogdanm 0:9b334a45a8ff 415 {
bogdanm 0:9b334a45a8ff 416 /* Check the parameters */
bogdanm 0:9b334a45a8ff 417 assert_param(IS_TSC_ALL_INSTANCE(htsc->Instance));
bogdanm 0:9b334a45a8ff 418
bogdanm 0:9b334a45a8ff 419 /* Process locked */
bogdanm 0:9b334a45a8ff 420 __HAL_LOCK(htsc);
bogdanm 0:9b334a45a8ff 421
bogdanm 0:9b334a45a8ff 422 /* Stop the acquisition */
bogdanm 0:9b334a45a8ff 423 __HAL_TSC_STOP_ACQ(htsc);
bogdanm 0:9b334a45a8ff 424
bogdanm 0:9b334a45a8ff 425 /* Clear flags */
bogdanm 0:9b334a45a8ff 426 __HAL_TSC_CLEAR_FLAG(htsc, (TSC_FLAG_EOA | TSC_FLAG_MCE));
bogdanm 0:9b334a45a8ff 427
bogdanm 0:9b334a45a8ff 428 /* Change TSC state */
bogdanm 0:9b334a45a8ff 429 htsc->State = HAL_TSC_STATE_READY;
bogdanm 0:9b334a45a8ff 430
bogdanm 0:9b334a45a8ff 431 /* Process unlocked */
bogdanm 0:9b334a45a8ff 432 __HAL_UNLOCK(htsc);
bogdanm 0:9b334a45a8ff 433
bogdanm 0:9b334a45a8ff 434 /* Return function status */
bogdanm 0:9b334a45a8ff 435 return HAL_OK;
bogdanm 0:9b334a45a8ff 436 }
bogdanm 0:9b334a45a8ff 437
bogdanm 0:9b334a45a8ff 438 /**
bogdanm 0:9b334a45a8ff 439 * @brief Stops the acquisition previously launched in interrupt mode
bogdanm 0:9b334a45a8ff 440 * @param htsc: pointer to a TSC_HandleTypeDef structure that contains
bogdanm 0:9b334a45a8ff 441 * the configuration information for the specified TSC.
bogdanm 0:9b334a45a8ff 442 * @retval HAL status
bogdanm 0:9b334a45a8ff 443 */
bogdanm 0:9b334a45a8ff 444 HAL_StatusTypeDef HAL_TSC_Stop_IT(TSC_HandleTypeDef* htsc)
bogdanm 0:9b334a45a8ff 445 {
bogdanm 0:9b334a45a8ff 446 /* Check the parameters */
bogdanm 0:9b334a45a8ff 447 assert_param(IS_TSC_ALL_INSTANCE(htsc->Instance));
bogdanm 0:9b334a45a8ff 448
bogdanm 0:9b334a45a8ff 449 /* Process locked */
bogdanm 0:9b334a45a8ff 450 __HAL_LOCK(htsc);
bogdanm 0:9b334a45a8ff 451
bogdanm 0:9b334a45a8ff 452 /* Stop the acquisition */
bogdanm 0:9b334a45a8ff 453 __HAL_TSC_STOP_ACQ(htsc);
bogdanm 0:9b334a45a8ff 454
bogdanm 0:9b334a45a8ff 455 /* Disable interrupts */
bogdanm 0:9b334a45a8ff 456 __HAL_TSC_DISABLE_IT(htsc, (TSC_IT_EOA | TSC_IT_MCE));
bogdanm 0:9b334a45a8ff 457
bogdanm 0:9b334a45a8ff 458 /* Clear flags */
bogdanm 0:9b334a45a8ff 459 __HAL_TSC_CLEAR_FLAG(htsc, (TSC_FLAG_EOA | TSC_FLAG_MCE));
bogdanm 0:9b334a45a8ff 460
bogdanm 0:9b334a45a8ff 461 /* Change TSC state */
bogdanm 0:9b334a45a8ff 462 htsc->State = HAL_TSC_STATE_READY;
bogdanm 0:9b334a45a8ff 463
bogdanm 0:9b334a45a8ff 464 /* Process unlocked */
bogdanm 0:9b334a45a8ff 465 __HAL_UNLOCK(htsc);
bogdanm 0:9b334a45a8ff 466
bogdanm 0:9b334a45a8ff 467 /* Return function status */
bogdanm 0:9b334a45a8ff 468 return HAL_OK;
bogdanm 0:9b334a45a8ff 469 }
bogdanm 0:9b334a45a8ff 470
bogdanm 0:9b334a45a8ff 471 /**
bogdanm 0:9b334a45a8ff 472 * @brief Gets the acquisition status for a group
bogdanm 0:9b334a45a8ff 473 * @param htsc: pointer to a TSC_HandleTypeDef structure that contains
bogdanm 0:9b334a45a8ff 474 * the configuration information for the specified TSC.
bogdanm 0:9b334a45a8ff 475 * @param gx_index: Index of the group
bogdanm 0:9b334a45a8ff 476 * @retval Group status
bogdanm 0:9b334a45a8ff 477 */
bogdanm 0:9b334a45a8ff 478 TSC_GroupStatusTypeDef HAL_TSC_GroupGetStatus(TSC_HandleTypeDef* htsc, uint32_t gx_index)
bogdanm 0:9b334a45a8ff 479 {
bogdanm 0:9b334a45a8ff 480 /* Check the parameters */
bogdanm 0:9b334a45a8ff 481 assert_param(IS_TSC_ALL_INSTANCE(htsc->Instance));
bogdanm 0:9b334a45a8ff 482 assert_param(IS_GROUP_INDEX(gx_index));
bogdanm 0:9b334a45a8ff 483
bogdanm 0:9b334a45a8ff 484 /* Return the group status */
bogdanm 0:9b334a45a8ff 485 return(__HAL_TSC_GET_GROUP_STATUS(htsc, gx_index));
bogdanm 0:9b334a45a8ff 486 }
bogdanm 0:9b334a45a8ff 487
bogdanm 0:9b334a45a8ff 488 /**
bogdanm 0:9b334a45a8ff 489 * @brief Gets the acquisition measure for a group
bogdanm 0:9b334a45a8ff 490 * @param htsc: pointer to a TSC_HandleTypeDef structure that contains
bogdanm 0:9b334a45a8ff 491 * the configuration information for the specified TSC.
bogdanm 0:9b334a45a8ff 492 * @param gx_index: Index of the group
bogdanm 0:9b334a45a8ff 493 * @retval Acquisition measure
bogdanm 0:9b334a45a8ff 494 */
bogdanm 0:9b334a45a8ff 495 uint32_t HAL_TSC_GroupGetValue(TSC_HandleTypeDef* htsc, uint32_t gx_index)
bogdanm 0:9b334a45a8ff 496 {
bogdanm 0:9b334a45a8ff 497 /* Check the parameters */
bogdanm 0:9b334a45a8ff 498 assert_param(IS_TSC_ALL_INSTANCE(htsc->Instance));
bogdanm 0:9b334a45a8ff 499 assert_param(IS_GROUP_INDEX(gx_index));
bogdanm 0:9b334a45a8ff 500
bogdanm 0:9b334a45a8ff 501 /* Return the group acquisition counter */
bogdanm 0:9b334a45a8ff 502 return htsc->Instance->IOGXCR[gx_index];
bogdanm 0:9b334a45a8ff 503 }
bogdanm 0:9b334a45a8ff 504
bogdanm 0:9b334a45a8ff 505 /**
bogdanm 0:9b334a45a8ff 506 * @}
bogdanm 0:9b334a45a8ff 507 */
bogdanm 0:9b334a45a8ff 508
bogdanm 0:9b334a45a8ff 509 /** @defgroup TSC_Exported_Functions_Group3 Peripheral Control functions
bogdanm 0:9b334a45a8ff 510 * @brief Peripheral Control functions
bogdanm 0:9b334a45a8ff 511 *
bogdanm 0:9b334a45a8ff 512 @verbatim
bogdanm 0:9b334a45a8ff 513 ===============================================================================
bogdanm 0:9b334a45a8ff 514 ##### Peripheral Control functions #####
bogdanm 0:9b334a45a8ff 515 ===============================================================================
bogdanm 0:9b334a45a8ff 516 [..] This section provides functions allowing to:
bogdanm 0:9b334a45a8ff 517 (+) Configure TSC IOs
bogdanm 0:9b334a45a8ff 518 (+) Discharge TSC IOs
bogdanm 0:9b334a45a8ff 519 @endverbatim
bogdanm 0:9b334a45a8ff 520 * @{
bogdanm 0:9b334a45a8ff 521 */
bogdanm 0:9b334a45a8ff 522
bogdanm 0:9b334a45a8ff 523 /**
bogdanm 0:9b334a45a8ff 524 * @brief Configures TSC IOs
bogdanm 0:9b334a45a8ff 525 * @param htsc: pointer to a TSC_HandleTypeDef structure that contains
bogdanm 0:9b334a45a8ff 526 * the configuration information for the specified TSC.
bogdanm 0:9b334a45a8ff 527 * @param config: pointer to the configuration structure.
bogdanm 0:9b334a45a8ff 528 * @retval HAL status
bogdanm 0:9b334a45a8ff 529 */
bogdanm 0:9b334a45a8ff 530 HAL_StatusTypeDef HAL_TSC_IOConfig(TSC_HandleTypeDef* htsc, TSC_IOConfigTypeDef* config)
bogdanm 0:9b334a45a8ff 531 {
bogdanm 0:9b334a45a8ff 532 /* Check the parameters */
bogdanm 0:9b334a45a8ff 533 assert_param(IS_TSC_ALL_INSTANCE(htsc->Instance));
bogdanm 0:9b334a45a8ff 534
bogdanm 0:9b334a45a8ff 535 /* Process locked */
bogdanm 0:9b334a45a8ff 536 __HAL_LOCK(htsc);
bogdanm 0:9b334a45a8ff 537
bogdanm 0:9b334a45a8ff 538 /* Stop acquisition */
bogdanm 0:9b334a45a8ff 539 __HAL_TSC_STOP_ACQ(htsc);
bogdanm 0:9b334a45a8ff 540
bogdanm 0:9b334a45a8ff 541 /* Disable Schmitt trigger hysteresis on all used TSC IOs */
bogdanm 0:9b334a45a8ff 542 htsc->Instance->IOHCR = (uint32_t)(~(config->ChannelIOs | config->ShieldIOs | config->SamplingIOs));
bogdanm 0:9b334a45a8ff 543
bogdanm 0:9b334a45a8ff 544 /* Set channel and shield IOs */
bogdanm 0:9b334a45a8ff 545 htsc->Instance->IOCCR = (config->ChannelIOs | config->ShieldIOs);
bogdanm 0:9b334a45a8ff 546
bogdanm 0:9b334a45a8ff 547 /* Set sampling IOs */
bogdanm 0:9b334a45a8ff 548 htsc->Instance->IOSCR = config->SamplingIOs;
bogdanm 0:9b334a45a8ff 549
bogdanm 0:9b334a45a8ff 550 /* Set groups to be acquired */
bogdanm 0:9b334a45a8ff 551 htsc->Instance->IOGCSR = TSC_extract_groups(config->ChannelIOs);
bogdanm 0:9b334a45a8ff 552
bogdanm 0:9b334a45a8ff 553 /* Process unlocked */
bogdanm 0:9b334a45a8ff 554 __HAL_UNLOCK(htsc);
bogdanm 0:9b334a45a8ff 555
bogdanm 0:9b334a45a8ff 556 /* Return function status */
bogdanm 0:9b334a45a8ff 557 return HAL_OK;
bogdanm 0:9b334a45a8ff 558 }
bogdanm 0:9b334a45a8ff 559
bogdanm 0:9b334a45a8ff 560 /**
bogdanm 0:9b334a45a8ff 561 * @brief Discharge TSC IOs
bogdanm 0:9b334a45a8ff 562 * @param htsc: pointer to a TSC_HandleTypeDef structure that contains
bogdanm 0:9b334a45a8ff 563 * the configuration information for the specified TSC.
bogdanm 0:9b334a45a8ff 564 * @param choice: enable or disable
bogdanm 0:9b334a45a8ff 565 * @retval HAL status
bogdanm 0:9b334a45a8ff 566 */
bogdanm 0:9b334a45a8ff 567 HAL_StatusTypeDef HAL_TSC_IODischarge(TSC_HandleTypeDef* htsc, uint32_t choice)
bogdanm 0:9b334a45a8ff 568 {
bogdanm 0:9b334a45a8ff 569 /* Check the parameters */
bogdanm 0:9b334a45a8ff 570 assert_param(IS_TSC_ALL_INSTANCE(htsc->Instance));
bogdanm 0:9b334a45a8ff 571
bogdanm 0:9b334a45a8ff 572 /* Process locked */
bogdanm 0:9b334a45a8ff 573 __HAL_LOCK(htsc);
bogdanm 0:9b334a45a8ff 574
bogdanm 0:9b334a45a8ff 575 if (choice == ENABLE)
bogdanm 0:9b334a45a8ff 576 {
bogdanm 0:9b334a45a8ff 577 __HAL_TSC_SET_IODEF_OUTPPLOW(htsc);
bogdanm 0:9b334a45a8ff 578 }
bogdanm 0:9b334a45a8ff 579 else
bogdanm 0:9b334a45a8ff 580 {
bogdanm 0:9b334a45a8ff 581 __HAL_TSC_SET_IODEF_INFLOAT(htsc);
bogdanm 0:9b334a45a8ff 582 }
bogdanm 0:9b334a45a8ff 583
bogdanm 0:9b334a45a8ff 584 /* Process unlocked */
bogdanm 0:9b334a45a8ff 585 __HAL_UNLOCK(htsc);
bogdanm 0:9b334a45a8ff 586
bogdanm 0:9b334a45a8ff 587 /* Return the group acquisition counter */
bogdanm 0:9b334a45a8ff 588 return HAL_OK;
bogdanm 0:9b334a45a8ff 589 }
bogdanm 0:9b334a45a8ff 590
bogdanm 0:9b334a45a8ff 591 /**
bogdanm 0:9b334a45a8ff 592 * @}
bogdanm 0:9b334a45a8ff 593 */
bogdanm 0:9b334a45a8ff 594
bogdanm 0:9b334a45a8ff 595 /** @defgroup TSC_Exported_Functions_Group4 State functions
bogdanm 0:9b334a45a8ff 596 * @brief State functions
bogdanm 0:9b334a45a8ff 597 *
bogdanm 0:9b334a45a8ff 598 @verbatim
bogdanm 0:9b334a45a8ff 599 ===============================================================================
bogdanm 0:9b334a45a8ff 600 ##### State functions #####
bogdanm 0:9b334a45a8ff 601 ===============================================================================
bogdanm 0:9b334a45a8ff 602 [..]
bogdanm 0:9b334a45a8ff 603 This subsection provides functions allowing to
bogdanm 0:9b334a45a8ff 604 (+) Get TSC state.
bogdanm 0:9b334a45a8ff 605 (+) Poll for acquisition completed.
bogdanm 0:9b334a45a8ff 606 (+) Handles TSC interrupt request.
bogdanm 0:9b334a45a8ff 607
bogdanm 0:9b334a45a8ff 608 @endverbatim
bogdanm 0:9b334a45a8ff 609 * @{
bogdanm 0:9b334a45a8ff 610 */
bogdanm 0:9b334a45a8ff 611
bogdanm 0:9b334a45a8ff 612 /**
bogdanm 0:9b334a45a8ff 613 * @brief Return the TSC state
bogdanm 0:9b334a45a8ff 614 * @param htsc: pointer to a TSC_HandleTypeDef structure that contains
bogdanm 0:9b334a45a8ff 615 * the configuration information for the specified TSC.
bogdanm 0:9b334a45a8ff 616 * @retval HAL state
bogdanm 0:9b334a45a8ff 617 */
bogdanm 0:9b334a45a8ff 618 HAL_TSC_StateTypeDef HAL_TSC_GetState(TSC_HandleTypeDef* htsc)
bogdanm 0:9b334a45a8ff 619 {
bogdanm 0:9b334a45a8ff 620 /* Check the parameters */
bogdanm 0:9b334a45a8ff 621 assert_param(IS_TSC_ALL_INSTANCE(htsc->Instance));
bogdanm 0:9b334a45a8ff 622
bogdanm 0:9b334a45a8ff 623 if (htsc->State == HAL_TSC_STATE_BUSY)
bogdanm 0:9b334a45a8ff 624 {
bogdanm 0:9b334a45a8ff 625 /* Check end of acquisition flag */
bogdanm 0:9b334a45a8ff 626 if (__HAL_TSC_GET_FLAG(htsc, TSC_FLAG_EOA) != RESET)
bogdanm 0:9b334a45a8ff 627 {
bogdanm 0:9b334a45a8ff 628 /* Check max count error flag */
bogdanm 0:9b334a45a8ff 629 if (__HAL_TSC_GET_FLAG(htsc, TSC_FLAG_MCE) != RESET)
bogdanm 0:9b334a45a8ff 630 {
bogdanm 0:9b334a45a8ff 631 /* Change TSC state */
bogdanm 0:9b334a45a8ff 632 htsc->State = HAL_TSC_STATE_ERROR;
bogdanm 0:9b334a45a8ff 633 }
bogdanm 0:9b334a45a8ff 634 else
bogdanm 0:9b334a45a8ff 635 {
bogdanm 0:9b334a45a8ff 636 /* Change TSC state */
bogdanm 0:9b334a45a8ff 637 htsc->State = HAL_TSC_STATE_READY;
bogdanm 0:9b334a45a8ff 638 }
bogdanm 0:9b334a45a8ff 639 }
bogdanm 0:9b334a45a8ff 640 }
bogdanm 0:9b334a45a8ff 641
bogdanm 0:9b334a45a8ff 642 /* Return TSC state */
bogdanm 0:9b334a45a8ff 643 return htsc->State;
bogdanm 0:9b334a45a8ff 644 }
bogdanm 0:9b334a45a8ff 645
bogdanm 0:9b334a45a8ff 646 /**
bogdanm 0:9b334a45a8ff 647 * @brief Start acquisition and wait until completion
bogdanm 0:9b334a45a8ff 648 * @note There is no need of a timeout parameter as the max count error is already
bogdanm 0:9b334a45a8ff 649 * managed by the TSC peripheral.
bogdanm 0:9b334a45a8ff 650 * @param htsc: pointer to a TSC_HandleTypeDef structure that contains
bogdanm 0:9b334a45a8ff 651 * the configuration information for the specified TSC.
bogdanm 0:9b334a45a8ff 652 * @retval HAL state
bogdanm 0:9b334a45a8ff 653 */
bogdanm 0:9b334a45a8ff 654 HAL_StatusTypeDef HAL_TSC_PollForAcquisition(TSC_HandleTypeDef* htsc)
bogdanm 0:9b334a45a8ff 655 {
bogdanm 0:9b334a45a8ff 656 /* Check the parameters */
bogdanm 0:9b334a45a8ff 657 assert_param(IS_TSC_ALL_INSTANCE(htsc->Instance));
bogdanm 0:9b334a45a8ff 658
bogdanm 0:9b334a45a8ff 659 /* Process locked */
bogdanm 0:9b334a45a8ff 660 __HAL_LOCK(htsc);
bogdanm 0:9b334a45a8ff 661
bogdanm 0:9b334a45a8ff 662 /* Check end of acquisition */
bogdanm 0:9b334a45a8ff 663 while (HAL_TSC_GetState(htsc) == HAL_TSC_STATE_BUSY)
bogdanm 0:9b334a45a8ff 664 {
bogdanm 0:9b334a45a8ff 665 /* The timeout (max count error) is managed by the TSC peripheral itself. */
bogdanm 0:9b334a45a8ff 666 }
bogdanm 0:9b334a45a8ff 667
bogdanm 0:9b334a45a8ff 668 /* Process unlocked */
bogdanm 0:9b334a45a8ff 669 __HAL_UNLOCK(htsc);
bogdanm 0:9b334a45a8ff 670
bogdanm 0:9b334a45a8ff 671 return HAL_OK;
bogdanm 0:9b334a45a8ff 672 }
bogdanm 0:9b334a45a8ff 673
bogdanm 0:9b334a45a8ff 674 /**
bogdanm 0:9b334a45a8ff 675 * @brief Handles TSC interrupt request
bogdanm 0:9b334a45a8ff 676 * @param htsc: pointer to a TSC_HandleTypeDef structure that contains
bogdanm 0:9b334a45a8ff 677 * the configuration information for the specified TSC.
bogdanm 0:9b334a45a8ff 678 * @retval None
bogdanm 0:9b334a45a8ff 679 */
bogdanm 0:9b334a45a8ff 680 void HAL_TSC_IRQHandler(TSC_HandleTypeDef* htsc)
bogdanm 0:9b334a45a8ff 681 {
bogdanm 0:9b334a45a8ff 682 /* Check the parameters */
bogdanm 0:9b334a45a8ff 683 assert_param(IS_TSC_ALL_INSTANCE(htsc->Instance));
bogdanm 0:9b334a45a8ff 684
bogdanm 0:9b334a45a8ff 685 /* Check if the end of acquisition occured */
bogdanm 0:9b334a45a8ff 686 if (__HAL_TSC_GET_FLAG(htsc, TSC_FLAG_EOA) != RESET)
bogdanm 0:9b334a45a8ff 687 {
bogdanm 0:9b334a45a8ff 688 /* Clear EOA flag */
bogdanm 0:9b334a45a8ff 689 __HAL_TSC_CLEAR_FLAG(htsc, TSC_FLAG_EOA);
bogdanm 0:9b334a45a8ff 690 }
bogdanm 0:9b334a45a8ff 691
bogdanm 0:9b334a45a8ff 692 /* Check if max count error occured */
bogdanm 0:9b334a45a8ff 693 if (__HAL_TSC_GET_FLAG(htsc, TSC_FLAG_MCE) != RESET)
bogdanm 0:9b334a45a8ff 694 {
bogdanm 0:9b334a45a8ff 695 /* Clear MCE flag */
bogdanm 0:9b334a45a8ff 696 __HAL_TSC_CLEAR_FLAG(htsc, TSC_FLAG_MCE);
bogdanm 0:9b334a45a8ff 697 /* Change TSC state */
bogdanm 0:9b334a45a8ff 698 htsc->State = HAL_TSC_STATE_ERROR;
bogdanm 0:9b334a45a8ff 699 /* Conversion completed callback */
bogdanm 0:9b334a45a8ff 700 HAL_TSC_ErrorCallback(htsc);
bogdanm 0:9b334a45a8ff 701 }
bogdanm 0:9b334a45a8ff 702 else
bogdanm 0:9b334a45a8ff 703 {
bogdanm 0:9b334a45a8ff 704 /* Change TSC state */
bogdanm 0:9b334a45a8ff 705 htsc->State = HAL_TSC_STATE_READY;
bogdanm 0:9b334a45a8ff 706 /* Conversion completed callback */
bogdanm 0:9b334a45a8ff 707 HAL_TSC_ConvCpltCallback(htsc);
bogdanm 0:9b334a45a8ff 708 }
bogdanm 0:9b334a45a8ff 709 }
bogdanm 0:9b334a45a8ff 710
bogdanm 0:9b334a45a8ff 711 /**
bogdanm 0:9b334a45a8ff 712 * @}
bogdanm 0:9b334a45a8ff 713 */
bogdanm 0:9b334a45a8ff 714
bogdanm 0:9b334a45a8ff 715 /** @defgroup TSC_Exported_Functions_Group5 Callback functions
bogdanm 0:9b334a45a8ff 716 * @brief Callback functions
bogdanm 0:9b334a45a8ff 717 * @{
bogdanm 0:9b334a45a8ff 718 */
bogdanm 0:9b334a45a8ff 719
bogdanm 0:9b334a45a8ff 720 /**
bogdanm 0:9b334a45a8ff 721 * @brief Acquisition completed callback in non blocking mode
bogdanm 0:9b334a45a8ff 722 * @param htsc: pointer to a TSC_HandleTypeDef structure that contains
bogdanm 0:9b334a45a8ff 723 * the configuration information for the specified TSC.
bogdanm 0:9b334a45a8ff 724 * @retval None
bogdanm 0:9b334a45a8ff 725 */
bogdanm 0:9b334a45a8ff 726 __weak void HAL_TSC_ConvCpltCallback(TSC_HandleTypeDef* htsc)
bogdanm 0:9b334a45a8ff 727 {
bogdanm 0:9b334a45a8ff 728 /* NOTE : This function should not be modified, when the callback is needed,
bogdanm 0:9b334a45a8ff 729 the HAL_TSC_ConvCpltCallback could be implemented in the user file.
bogdanm 0:9b334a45a8ff 730 */
bogdanm 0:9b334a45a8ff 731 }
bogdanm 0:9b334a45a8ff 732
bogdanm 0:9b334a45a8ff 733 /**
bogdanm 0:9b334a45a8ff 734 * @brief Error callback in non blocking mode
bogdanm 0:9b334a45a8ff 735 * @param htsc: pointer to a TSC_HandleTypeDef structure that contains
bogdanm 0:9b334a45a8ff 736 * the configuration information for the specified TSC.
bogdanm 0:9b334a45a8ff 737 * @retval None
bogdanm 0:9b334a45a8ff 738 */
bogdanm 0:9b334a45a8ff 739 __weak void HAL_TSC_ErrorCallback(TSC_HandleTypeDef* htsc)
bogdanm 0:9b334a45a8ff 740 {
bogdanm 0:9b334a45a8ff 741 /* NOTE : This function should not be modified, when the callback is needed,
bogdanm 0:9b334a45a8ff 742 the HAL_TSC_ErrorCallback could be implemented in the user file.
bogdanm 0:9b334a45a8ff 743 */
bogdanm 0:9b334a45a8ff 744 }
bogdanm 0:9b334a45a8ff 745
bogdanm 0:9b334a45a8ff 746 /**
bogdanm 0:9b334a45a8ff 747 * @}
bogdanm 0:9b334a45a8ff 748 */
bogdanm 0:9b334a45a8ff 749
bogdanm 0:9b334a45a8ff 750 /**
bogdanm 0:9b334a45a8ff 751 * @}
bogdanm 0:9b334a45a8ff 752 */
bogdanm 0:9b334a45a8ff 753
bogdanm 0:9b334a45a8ff 754 /** @defgroup TSC_Private_Functions TSC Private Functions
bogdanm 0:9b334a45a8ff 755 * @{
bogdanm 0:9b334a45a8ff 756 */
bogdanm 0:9b334a45a8ff 757
bogdanm 0:9b334a45a8ff 758 /**
bogdanm 0:9b334a45a8ff 759 * @brief Utility function used to set the acquired groups mask
bogdanm 0:9b334a45a8ff 760 * @param iomask: Channels IOs mask
bogdanm 0:9b334a45a8ff 761 * @retval Acquired groups mask
bogdanm 0:9b334a45a8ff 762 */
bogdanm 0:9b334a45a8ff 763 static uint32_t TSC_extract_groups(uint32_t iomask)
bogdanm 0:9b334a45a8ff 764 {
bogdanm 0:9b334a45a8ff 765 uint32_t groups = 0;
bogdanm 0:9b334a45a8ff 766 uint32_t idx;
bogdanm 0:9b334a45a8ff 767
bogdanm 0:9b334a45a8ff 768 for (idx = 0; idx < TSC_NB_OF_GROUPS; idx++)
bogdanm 0:9b334a45a8ff 769 {
bogdanm 0:9b334a45a8ff 770 if ((iomask & ((uint32_t)0x0F << (idx * 4))) != RESET)
bogdanm 0:9b334a45a8ff 771 {
bogdanm 0:9b334a45a8ff 772 groups |= ((uint32_t)1 << idx);
bogdanm 0:9b334a45a8ff 773 }
bogdanm 0:9b334a45a8ff 774 }
bogdanm 0:9b334a45a8ff 775
bogdanm 0:9b334a45a8ff 776 return groups;
bogdanm 0:9b334a45a8ff 777 }
bogdanm 0:9b334a45a8ff 778
bogdanm 0:9b334a45a8ff 779 /**
bogdanm 0:9b334a45a8ff 780 * @}
bogdanm 0:9b334a45a8ff 781 */
bogdanm 0:9b334a45a8ff 782
bogdanm 0:9b334a45a8ff 783 /**
bogdanm 0:9b334a45a8ff 784 * @}
bogdanm 0:9b334a45a8ff 785 */
bogdanm 0:9b334a45a8ff 786
bogdanm 0:9b334a45a8ff 787 /**
bogdanm 0:9b334a45a8ff 788 * @}
bogdanm 0:9b334a45a8ff 789 */
bogdanm 0:9b334a45a8ff 790
bogdanm 0:9b334a45a8ff 791 #endif /* defined(STM32F051x8) || defined(STM32F071xB) || defined(STM32F091xC) || */
bogdanm 0:9b334a45a8ff 792 /* defined(STM32F042x6) || defined(STM32F072xB) || */
bogdanm 0:9b334a45a8ff 793 /* defined(STM32F048xx) || defined(STM32F058xx) || defined(STM32F078xx) || defined(STM32F098xx) */
bogdanm 0:9b334a45a8ff 794
bogdanm 0:9b334a45a8ff 795 #endif /* HAL_TSC_MODULE_ENABLED */
bogdanm 0:9b334a45a8ff 796
bogdanm 0:9b334a45a8ff 797 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/