en 129 / mbed-dev

fix LPC812 PWM

Dependents:   IR_LED_Send

Fork of mbed-dev by mbed official

targets/cmsis/TARGET_STM/TARGET_STM32F3/stm32f3xx_hal_tsc.c@129:2e517c56bcfb, 2016-05-16 (annotated)

Committer:
nameless129
Date:
Mon May 16 16:50:30 2016 +0000
Revision:
129:2e517c56bcfb
Parent:
0:9b334a45a8ff 
PWM Fix:Duty 0%??H???????????????

Who changed what in which revision?

UserRevisionLine numberNew contents of line
bogdanm 0:9b334a45a8ff 1 /**
bogdanm 0:9b334a45a8ff 2 ******************************************************************************
bogdanm 0:9b334a45a8ff 3 * @file stm32f3xx_hal_tsc.c
bogdanm 0:9b334a45a8ff 4 * @author MCD Application Team
bogdanm 0:9b334a45a8ff 5 * @version V1.1.0
bogdanm 0:9b334a45a8ff 6 * @date 12-Sept-2014
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 __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 __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) 2014 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 "stm32f3xx_hal.h"
bogdanm 0:9b334a45a8ff 113
bogdanm 0:9b334a45a8ff 114 /** @addtogroup STM32F3xx_HAL_Driver
bogdanm 0:9b334a45a8ff 115 * @{
bogdanm 0:9b334a45a8ff 116 */
bogdanm 0:9b334a45a8ff 117
bogdanm 0:9b334a45a8ff 118 /** @defgroup TSC HAL TSC module driver
bogdanm 0:9b334a45a8ff 119 * @brief HAL TSC module driver
bogdanm 0:9b334a45a8ff 120 * @{
bogdanm 0:9b334a45a8ff 121 */
bogdanm 0:9b334a45a8ff 122
bogdanm 0:9b334a45a8ff 123 #ifdef HAL_TSC_MODULE_ENABLED
bogdanm 0:9b334a45a8ff 124
bogdanm 0:9b334a45a8ff 125 /* Private typedef -----------------------------------------------------------*/
bogdanm 0:9b334a45a8ff 126 /* Private define ------------------------------------------------------------*/
bogdanm 0:9b334a45a8ff 127 /* Private macro -------------------------------------------------------------*/
bogdanm 0:9b334a45a8ff 128 /* Private variables ---------------------------------------------------------*/
bogdanm 0:9b334a45a8ff 129 /* Private function prototypes -----------------------------------------------*/
bogdanm 0:9b334a45a8ff 130 static uint32_t TSC_extract_groups(uint32_t iomask);
bogdanm 0:9b334a45a8ff 131 /* Exported functions ---------------------------------------------------------*/
bogdanm 0:9b334a45a8ff 132
bogdanm 0:9b334a45a8ff 133 /** @defgroup TSC_Exported_Functions TSC Exported Functions
bogdanm 0:9b334a45a8ff 134 * @{
bogdanm 0:9b334a45a8ff 135 */
bogdanm 0:9b334a45a8ff 136
bogdanm 0:9b334a45a8ff 137 /** @defgroup TSC_Exported_Functions_Group1 Initialization and de-initialization functions
bogdanm 0:9b334a45a8ff 138 * @brief Initialization and Configuration functions
bogdanm 0:9b334a45a8ff 139 *
bogdanm 0:9b334a45a8ff 140 @verbatim
bogdanm 0:9b334a45a8ff 141 ===============================================================================
bogdanm 0:9b334a45a8ff 142 ##### Initialization and de-initialization functions #####
bogdanm 0:9b334a45a8ff 143 ===============================================================================
bogdanm 0:9b334a45a8ff 144 [..] This section provides functions allowing to:
bogdanm 0:9b334a45a8ff 145 (+) Initialize and configure the TSC.
bogdanm 0:9b334a45a8ff 146 (+) De-initialize the TSC.
bogdanm 0:9b334a45a8ff 147 @endverbatim
bogdanm 0:9b334a45a8ff 148 * @{
bogdanm 0:9b334a45a8ff 149 */
bogdanm 0:9b334a45a8ff 150
bogdanm 0:9b334a45a8ff 151 /**
bogdanm 0:9b334a45a8ff 152 * @brief Initializes the TSC peripheral according to the specified parameters
bogdanm 0:9b334a45a8ff 153 * in the TSC_InitTypeDef structure.
bogdanm 0:9b334a45a8ff 154 * @param htsc: TSC handle
bogdanm 0:9b334a45a8ff 155 * @retval HAL status
bogdanm 0:9b334a45a8ff 156 */
bogdanm 0:9b334a45a8ff 157 HAL_StatusTypeDef HAL_TSC_Init(TSC_HandleTypeDef* htsc)
bogdanm 0:9b334a45a8ff 158 {
bogdanm 0:9b334a45a8ff 159 /* Check TSC handle allocation */
bogdanm 0:9b334a45a8ff 160 if (htsc == HAL_NULL)
bogdanm 0:9b334a45a8ff 161 {
bogdanm 0:9b334a45a8ff 162 return HAL_ERROR;
bogdanm 0:9b334a45a8ff 163 }
bogdanm 0:9b334a45a8ff 164
bogdanm 0:9b334a45a8ff 165 /* Check the parameters */
bogdanm 0:9b334a45a8ff 166 assert_param(IS_TSC_ALL_INSTANCE(htsc->Instance));
bogdanm 0:9b334a45a8ff 167 assert_param(IS_TSC_CTPH(htsc->Init.CTPulseHighLength));
bogdanm 0:9b334a45a8ff 168 assert_param(IS_TSC_CTPL(htsc->Init.CTPulseLowLength));
bogdanm 0:9b334a45a8ff 169 assert_param(IS_TSC_SS(htsc->Init.SpreadSpectrum));
bogdanm 0:9b334a45a8ff 170 assert_param(IS_TSC_SSD(htsc->Init.SpreadSpectrumDeviation));
bogdanm 0:9b334a45a8ff 171 assert_param(IS_TSC_SS_PRESC(htsc->Init.SpreadSpectrumPrescaler));
bogdanm 0:9b334a45a8ff 172 assert_param(IS_TSC_PG_PRESC(htsc->Init.PulseGeneratorPrescaler));
bogdanm 0:9b334a45a8ff 173 assert_param(IS_TSC_MCV(htsc->Init.MaxCountValue));
bogdanm 0:9b334a45a8ff 174 assert_param(IS_TSC_IODEF(htsc->Init.IODefaultMode));
bogdanm 0:9b334a45a8ff 175 assert_param(IS_TSC_SYNC_POL(htsc->Init.SynchroPinPolarity));
bogdanm 0:9b334a45a8ff 176 assert_param(IS_TSC_ACQ_MODE(htsc->Init.AcquisitionMode));
bogdanm 0:9b334a45a8ff 177 assert_param(IS_TSC_MCE_IT(htsc->Init.MaxCountInterrupt));
bogdanm 0:9b334a45a8ff 178
bogdanm 0:9b334a45a8ff 179 /* Initialize the TSC state */
bogdanm 0:9b334a45a8ff 180 htsc->State = HAL_TSC_STATE_BUSY;
bogdanm 0:9b334a45a8ff 181
bogdanm 0:9b334a45a8ff 182 /* Init the low level hardware : GPIO, CLOCK, CORTEX */
bogdanm 0:9b334a45a8ff 183 HAL_TSC_MspInit(htsc);
bogdanm 0:9b334a45a8ff 184
bogdanm 0:9b334a45a8ff 185 /*--------------------------------------------------------------------------*/
bogdanm 0:9b334a45a8ff 186 /* Set TSC parameters */
bogdanm 0:9b334a45a8ff 187
bogdanm 0:9b334a45a8ff 188 /* Enable TSC */
bogdanm 0:9b334a45a8ff 189 htsc->Instance->CR = TSC_CR_TSCE;
bogdanm 0:9b334a45a8ff 190
bogdanm 0:9b334a45a8ff 191 /* Set all functions */
bogdanm 0:9b334a45a8ff 192 htsc->Instance->CR |= (htsc->Init.CTPulseHighLength |
bogdanm 0:9b334a45a8ff 193 htsc->Init.CTPulseLowLength |
bogdanm 0:9b334a45a8ff 194 (uint32_t)(htsc->Init.SpreadSpectrumDeviation << 17) |
bogdanm 0:9b334a45a8ff 195 htsc->Init.SpreadSpectrumPrescaler |
bogdanm 0:9b334a45a8ff 196 htsc->Init.PulseGeneratorPrescaler |
bogdanm 0:9b334a45a8ff 197 htsc->Init.MaxCountValue |
bogdanm 0:9b334a45a8ff 198 htsc->Init.IODefaultMode |
bogdanm 0:9b334a45a8ff 199 htsc->Init.SynchroPinPolarity |
bogdanm 0:9b334a45a8ff 200 htsc->Init.AcquisitionMode);
bogdanm 0:9b334a45a8ff 201
bogdanm 0:9b334a45a8ff 202 /* Spread spectrum */
bogdanm 0:9b334a45a8ff 203 if (htsc->Init.SpreadSpectrum == ENABLE)
bogdanm 0:9b334a45a8ff 204 {
bogdanm 0:9b334a45a8ff 205 htsc->Instance->CR |= TSC_CR_SSE;
bogdanm 0:9b334a45a8ff 206 }
bogdanm 0:9b334a45a8ff 207
bogdanm 0:9b334a45a8ff 208 /* Disable Schmitt trigger hysteresis on all used TSC IOs */
bogdanm 0:9b334a45a8ff 209 htsc->Instance->IOHCR = (uint32_t)(~(htsc->Init.ChannelIOs | htsc->Init.ShieldIOs | htsc->Init.SamplingIOs));
bogdanm 0:9b334a45a8ff 210
bogdanm 0:9b334a45a8ff 211 /* Set channel and shield IOs */
bogdanm 0:9b334a45a8ff 212 htsc->Instance->IOCCR = (htsc->Init.ChannelIOs | htsc->Init.ShieldIOs);
bogdanm 0:9b334a45a8ff 213
bogdanm 0:9b334a45a8ff 214 /* Set sampling IOs */
bogdanm 0:9b334a45a8ff 215 htsc->Instance->IOSCR = htsc->Init.SamplingIOs;
bogdanm 0:9b334a45a8ff 216
bogdanm 0:9b334a45a8ff 217 /* Set the groups to be acquired */
bogdanm 0:9b334a45a8ff 218 htsc->Instance->IOGCSR = TSC_extract_groups(htsc->Init.ChannelIOs);
bogdanm 0:9b334a45a8ff 219
bogdanm 0:9b334a45a8ff 220 /* Disable interrupts */
bogdanm 0:9b334a45a8ff 221 htsc->Instance->IER &= (uint32_t)(~(TSC_IT_EOA | TSC_IT_MCE));
bogdanm 0:9b334a45a8ff 222
bogdanm 0:9b334a45a8ff 223 /* Clear flags */
bogdanm 0:9b334a45a8ff 224 htsc->Instance->ICR = (TSC_FLAG_EOA | TSC_FLAG_MCE);
bogdanm 0:9b334a45a8ff 225
bogdanm 0:9b334a45a8ff 226 /*--------------------------------------------------------------------------*/
bogdanm 0:9b334a45a8ff 227
bogdanm 0:9b334a45a8ff 228 /* Initialize the TSC state */
bogdanm 0:9b334a45a8ff 229 htsc->State = HAL_TSC_STATE_READY;
bogdanm 0:9b334a45a8ff 230
bogdanm 0:9b334a45a8ff 231 /* Return function status */
bogdanm 0:9b334a45a8ff 232 return HAL_OK;
bogdanm 0:9b334a45a8ff 233 }
bogdanm 0:9b334a45a8ff 234
bogdanm 0:9b334a45a8ff 235 /**
bogdanm 0:9b334a45a8ff 236 * @brief Deinitializes the TSC peripheral registers to their default reset values.
bogdanm 0:9b334a45a8ff 237 * @param htsc: TSC handle
bogdanm 0:9b334a45a8ff 238 * @retval HAL status
bogdanm 0:9b334a45a8ff 239 */
bogdanm 0:9b334a45a8ff 240 HAL_StatusTypeDef HAL_TSC_DeInit(TSC_HandleTypeDef* htsc)
bogdanm 0:9b334a45a8ff 241 {
bogdanm 0:9b334a45a8ff 242 /* Check TSC handle allocation */
bogdanm 0:9b334a45a8ff 243 if (htsc == HAL_NULL)
bogdanm 0:9b334a45a8ff 244 {
bogdanm 0:9b334a45a8ff 245 return HAL_ERROR;
bogdanm 0:9b334a45a8ff 246 }
bogdanm 0:9b334a45a8ff 247
bogdanm 0:9b334a45a8ff 248 /* Check the parameters */
bogdanm 0:9b334a45a8ff 249 assert_param(IS_TSC_ALL_INSTANCE(htsc->Instance));
bogdanm 0:9b334a45a8ff 250
bogdanm 0:9b334a45a8ff 251 /* Change TSC state */
bogdanm 0:9b334a45a8ff 252 htsc->State = HAL_TSC_STATE_BUSY;
bogdanm 0:9b334a45a8ff 253
bogdanm 0:9b334a45a8ff 254 /* DeInit the low level hardware */
bogdanm 0:9b334a45a8ff 255 HAL_TSC_MspDeInit(htsc);
bogdanm 0:9b334a45a8ff 256
bogdanm 0:9b334a45a8ff 257 /* Change TSC state */
bogdanm 0:9b334a45a8ff 258 htsc->State = HAL_TSC_STATE_RESET;
bogdanm 0:9b334a45a8ff 259
bogdanm 0:9b334a45a8ff 260 /* Process unlocked */
bogdanm 0:9b334a45a8ff 261 __HAL_UNLOCK(htsc);
bogdanm 0:9b334a45a8ff 262
bogdanm 0:9b334a45a8ff 263 /* Return function status */
bogdanm 0:9b334a45a8ff 264 return HAL_OK;
bogdanm 0:9b334a45a8ff 265 }
bogdanm 0:9b334a45a8ff 266
bogdanm 0:9b334a45a8ff 267 /**
bogdanm 0:9b334a45a8ff 268 * @brief Initializes the TSC MSP.
bogdanm 0:9b334a45a8ff 269 * @param htsc: pointer to a TSC_HandleTypeDef structure that contains
bogdanm 0:9b334a45a8ff 270 * the configuration information for the specified TSC.
bogdanm 0:9b334a45a8ff 271 * @retval None
bogdanm 0:9b334a45a8ff 272 */
bogdanm 0:9b334a45a8ff 273 __weak void HAL_TSC_MspInit(TSC_HandleTypeDef* htsc)
bogdanm 0:9b334a45a8ff 274 {
bogdanm 0:9b334a45a8ff 275 /* NOTE : This function should not be modified, when the callback is needed,
bogdanm 0:9b334a45a8ff 276 the HAL_TSC_MspInit could be implemented in the user file.
bogdanm 0:9b334a45a8ff 277 */
bogdanm 0:9b334a45a8ff 278 }
bogdanm 0:9b334a45a8ff 279
bogdanm 0:9b334a45a8ff 280 /**
bogdanm 0:9b334a45a8ff 281 * @brief DeInitializes the TSC MSP.
bogdanm 0:9b334a45a8ff 282 * @param htsc: pointer to a TSC_HandleTypeDef structure that contains
bogdanm 0:9b334a45a8ff 283 * the configuration information for the specified TSC.
bogdanm 0:9b334a45a8ff 284 * @retval None
bogdanm 0:9b334a45a8ff 285 */
bogdanm 0:9b334a45a8ff 286 __weak void HAL_TSC_MspDeInit(TSC_HandleTypeDef* htsc)
bogdanm 0:9b334a45a8ff 287 {
bogdanm 0:9b334a45a8ff 288 /* NOTE : This function should not be modified, when the callback is needed,
bogdanm 0:9b334a45a8ff 289 the HAL_TSC_MspDeInit could be implemented in the user file.
bogdanm 0:9b334a45a8ff 290 */
bogdanm 0:9b334a45a8ff 291 }
bogdanm 0:9b334a45a8ff 292
bogdanm 0:9b334a45a8ff 293 /**
bogdanm 0:9b334a45a8ff 294 * @}
bogdanm 0:9b334a45a8ff 295 */
bogdanm 0:9b334a45a8ff 296
bogdanm 0:9b334a45a8ff 297 /** @defgroup TSC_Exported_Functions_Group2 Input and Output operation functions
bogdanm 0:9b334a45a8ff 298 * @brief IO operation functions
bogdanm 0:9b334a45a8ff 299 *
bogdanm 0:9b334a45a8ff 300 @verbatim
bogdanm 0:9b334a45a8ff 301 ===============================================================================
bogdanm 0:9b334a45a8ff 302 ##### I/O Operation functions #####
bogdanm 0:9b334a45a8ff 303 ===============================================================================
bogdanm 0:9b334a45a8ff 304 [..] This section provides functions allowing to:
bogdanm 0:9b334a45a8ff 305 (+) Start acquisition in polling mode.
bogdanm 0:9b334a45a8ff 306 (+) Start acquisition in interrupt mode.
bogdanm 0:9b334a45a8ff 307 (+) Stop conversion in polling mode.
bogdanm 0:9b334a45a8ff 308 (+) Stop conversion in interrupt mode.
bogdanm 0:9b334a45a8ff 309 (+) Get group acquisition status.
bogdanm 0:9b334a45a8ff 310 (+) Get group acquisition value.
bogdanm 0:9b334a45a8ff 311 @endverbatim
bogdanm 0:9b334a45a8ff 312 * @{
bogdanm 0:9b334a45a8ff 313 */
bogdanm 0:9b334a45a8ff 314
bogdanm 0:9b334a45a8ff 315 /**
bogdanm 0:9b334a45a8ff 316 * @brief Starts the acquisition.
bogdanm 0:9b334a45a8ff 317 * @param htsc: pointer to a TSC_HandleTypeDef structure that contains
bogdanm 0:9b334a45a8ff 318 * the configuration information for the specified TSC.
bogdanm 0:9b334a45a8ff 319 * @retval HAL status
bogdanm 0:9b334a45a8ff 320 */
bogdanm 0:9b334a45a8ff 321 HAL_StatusTypeDef HAL_TSC_Start(TSC_HandleTypeDef* htsc)
bogdanm 0:9b334a45a8ff 322 {
bogdanm 0:9b334a45a8ff 323 /* Check the parameters */
bogdanm 0:9b334a45a8ff 324 assert_param(IS_TSC_ALL_INSTANCE(htsc->Instance));
bogdanm 0:9b334a45a8ff 325
bogdanm 0:9b334a45a8ff 326 /* Process locked */
bogdanm 0:9b334a45a8ff 327 __HAL_LOCK(htsc);
bogdanm 0:9b334a45a8ff 328
bogdanm 0:9b334a45a8ff 329 /* Change TSC state */
bogdanm 0:9b334a45a8ff 330 htsc->State = HAL_TSC_STATE_BUSY;
bogdanm 0:9b334a45a8ff 331
bogdanm 0:9b334a45a8ff 332 /* Clear interrupts */
bogdanm 0:9b334a45a8ff 333 __HAL_TSC_DISABLE_IT(htsc, (TSC_IT_EOA | TSC_IT_MCE));
bogdanm 0:9b334a45a8ff 334
bogdanm 0:9b334a45a8ff 335 /* Clear flags */
bogdanm 0:9b334a45a8ff 336 __HAL_TSC_CLEAR_FLAG(htsc, (TSC_FLAG_EOA | TSC_FLAG_MCE));
bogdanm 0:9b334a45a8ff 337
bogdanm 0:9b334a45a8ff 338 /* Stop discharging the IOs */
bogdanm 0:9b334a45a8ff 339 __HAL_TSC_SET_IODEF_INFLOAT(htsc);
bogdanm 0:9b334a45a8ff 340
bogdanm 0:9b334a45a8ff 341 /* Launch the acquisition */
bogdanm 0:9b334a45a8ff 342 __HAL_TSC_START_ACQ(htsc);
bogdanm 0:9b334a45a8ff 343
bogdanm 0:9b334a45a8ff 344 /* Process unlocked */
bogdanm 0:9b334a45a8ff 345 __HAL_UNLOCK(htsc);
bogdanm 0:9b334a45a8ff 346
bogdanm 0:9b334a45a8ff 347 /* Return function status */
bogdanm 0:9b334a45a8ff 348 return HAL_OK;
bogdanm 0:9b334a45a8ff 349 }
bogdanm 0:9b334a45a8ff 350
bogdanm 0:9b334a45a8ff 351 /**
bogdanm 0:9b334a45a8ff 352 * @brief Enables the interrupt and starts the acquisition
bogdanm 0:9b334a45a8ff 353 * @param htsc: pointer to a TSC_HandleTypeDef structure that contains
bogdanm 0:9b334a45a8ff 354 * the configuration information for the specified TSC.
bogdanm 0:9b334a45a8ff 355 * @retval HAL status.
bogdanm 0:9b334a45a8ff 356 */
bogdanm 0:9b334a45a8ff 357 HAL_StatusTypeDef HAL_TSC_Start_IT(TSC_HandleTypeDef* htsc)
bogdanm 0:9b334a45a8ff 358 {
bogdanm 0:9b334a45a8ff 359 /* Check the parameters */
bogdanm 0:9b334a45a8ff 360 assert_param(IS_TSC_ALL_INSTANCE(htsc->Instance));
bogdanm 0:9b334a45a8ff 361 assert_param(IS_TSC_MCE_IT(htsc->Init.MaxCountInterrupt));
bogdanm 0:9b334a45a8ff 362
bogdanm 0:9b334a45a8ff 363 /* Process locked */
bogdanm 0:9b334a45a8ff 364 __HAL_LOCK(htsc);
bogdanm 0:9b334a45a8ff 365
bogdanm 0:9b334a45a8ff 366 /* Change TSC state */
bogdanm 0:9b334a45a8ff 367 htsc->State = HAL_TSC_STATE_BUSY;
bogdanm 0:9b334a45a8ff 368
bogdanm 0:9b334a45a8ff 369 /* Enable end of acquisition interrupt */
bogdanm 0:9b334a45a8ff 370 __HAL_TSC_ENABLE_IT(htsc, TSC_IT_EOA);
bogdanm 0:9b334a45a8ff 371
bogdanm 0:9b334a45a8ff 372 /* Enable max count error interrupt (optional) */
bogdanm 0:9b334a45a8ff 373 if (htsc->Init.MaxCountInterrupt == ENABLE)
bogdanm 0:9b334a45a8ff 374 {
bogdanm 0:9b334a45a8ff 375 __HAL_TSC_ENABLE_IT(htsc, TSC_IT_MCE);
bogdanm 0:9b334a45a8ff 376 }
bogdanm 0:9b334a45a8ff 377 else
bogdanm 0:9b334a45a8ff 378 {
bogdanm 0:9b334a45a8ff 379 __HAL_TSC_DISABLE_IT(htsc, TSC_IT_MCE);
bogdanm 0:9b334a45a8ff 380 }
bogdanm 0:9b334a45a8ff 381
bogdanm 0:9b334a45a8ff 382 /* Clear flags */
bogdanm 0:9b334a45a8ff 383 __HAL_TSC_CLEAR_FLAG(htsc, (TSC_FLAG_EOA | TSC_FLAG_MCE));
bogdanm 0:9b334a45a8ff 384
bogdanm 0:9b334a45a8ff 385 /* Stop discharging the IOs */
bogdanm 0:9b334a45a8ff 386 __HAL_TSC_SET_IODEF_INFLOAT(htsc);
bogdanm 0:9b334a45a8ff 387
bogdanm 0:9b334a45a8ff 388 /* Launch the acquisition */
bogdanm 0:9b334a45a8ff 389 __HAL_TSC_START_ACQ(htsc);
bogdanm 0:9b334a45a8ff 390
bogdanm 0:9b334a45a8ff 391 /* Process unlocked */
bogdanm 0:9b334a45a8ff 392 __HAL_UNLOCK(htsc);
bogdanm 0:9b334a45a8ff 393
bogdanm 0:9b334a45a8ff 394 /* Return function status */
bogdanm 0:9b334a45a8ff 395 return HAL_OK;
bogdanm 0:9b334a45a8ff 396 }
bogdanm 0:9b334a45a8ff 397
bogdanm 0:9b334a45a8ff 398 /**
bogdanm 0:9b334a45a8ff 399 * @brief Stops the acquisition previously launched in polling mode
bogdanm 0:9b334a45a8ff 400 * @param htsc: pointer to a TSC_HandleTypeDef structure that contains
bogdanm 0:9b334a45a8ff 401 * the configuration information for the specified TSC.
bogdanm 0:9b334a45a8ff 402 * @retval HAL status
bogdanm 0:9b334a45a8ff 403 */
bogdanm 0:9b334a45a8ff 404 HAL_StatusTypeDef HAL_TSC_Stop(TSC_HandleTypeDef* htsc)
bogdanm 0:9b334a45a8ff 405 {
bogdanm 0:9b334a45a8ff 406 /* Check the parameters */
bogdanm 0:9b334a45a8ff 407 assert_param(IS_TSC_ALL_INSTANCE(htsc->Instance));
bogdanm 0:9b334a45a8ff 408
bogdanm 0:9b334a45a8ff 409 /* Process locked */
bogdanm 0:9b334a45a8ff 410 __HAL_LOCK(htsc);
bogdanm 0:9b334a45a8ff 411
bogdanm 0:9b334a45a8ff 412 /* Stop the acquisition */
bogdanm 0:9b334a45a8ff 413 __HAL_TSC_STOP_ACQ(htsc);
bogdanm 0:9b334a45a8ff 414
bogdanm 0:9b334a45a8ff 415 /* Clear flags */
bogdanm 0:9b334a45a8ff 416 __HAL_TSC_CLEAR_FLAG(htsc, (TSC_FLAG_EOA | TSC_FLAG_MCE));
bogdanm 0:9b334a45a8ff 417
bogdanm 0:9b334a45a8ff 418 /* Change TSC state */
bogdanm 0:9b334a45a8ff 419 htsc->State = HAL_TSC_STATE_READY;
bogdanm 0:9b334a45a8ff 420
bogdanm 0:9b334a45a8ff 421 /* Process unlocked */
bogdanm 0:9b334a45a8ff 422 __HAL_UNLOCK(htsc);
bogdanm 0:9b334a45a8ff 423
bogdanm 0:9b334a45a8ff 424 /* Return function status */
bogdanm 0:9b334a45a8ff 425 return HAL_OK;
bogdanm 0:9b334a45a8ff 426 }
bogdanm 0:9b334a45a8ff 427
bogdanm 0:9b334a45a8ff 428 /**
bogdanm 0:9b334a45a8ff 429 * @brief Stops the acquisition previously launched in interrupt mode
bogdanm 0:9b334a45a8ff 430 * @param htsc: pointer to a TSC_HandleTypeDef structure that contains
bogdanm 0:9b334a45a8ff 431 * the configuration information for the specified TSC.
bogdanm 0:9b334a45a8ff 432 * @retval HAL status
bogdanm 0:9b334a45a8ff 433 */
bogdanm 0:9b334a45a8ff 434 HAL_StatusTypeDef HAL_TSC_Stop_IT(TSC_HandleTypeDef* htsc)
bogdanm 0:9b334a45a8ff 435 {
bogdanm 0:9b334a45a8ff 436 /* Check the parameters */
bogdanm 0:9b334a45a8ff 437 assert_param(IS_TSC_ALL_INSTANCE(htsc->Instance));
bogdanm 0:9b334a45a8ff 438
bogdanm 0:9b334a45a8ff 439 /* Process locked */
bogdanm 0:9b334a45a8ff 440 __HAL_LOCK(htsc);
bogdanm 0:9b334a45a8ff 441
bogdanm 0:9b334a45a8ff 442 /* Stop the acquisition */
bogdanm 0:9b334a45a8ff 443 __HAL_TSC_STOP_ACQ(htsc);
bogdanm 0:9b334a45a8ff 444
bogdanm 0:9b334a45a8ff 445 /* Disable interrupts */
bogdanm 0:9b334a45a8ff 446 __HAL_TSC_DISABLE_IT(htsc, (TSC_IT_EOA | TSC_IT_MCE));
bogdanm 0:9b334a45a8ff 447
bogdanm 0:9b334a45a8ff 448 /* Clear flags */
bogdanm 0:9b334a45a8ff 449 __HAL_TSC_CLEAR_FLAG(htsc, (TSC_FLAG_EOA | TSC_FLAG_MCE));
bogdanm 0:9b334a45a8ff 450
bogdanm 0:9b334a45a8ff 451 /* Change TSC state */
bogdanm 0:9b334a45a8ff 452 htsc->State = HAL_TSC_STATE_READY;
bogdanm 0:9b334a45a8ff 453
bogdanm 0:9b334a45a8ff 454 /* Process unlocked */
bogdanm 0:9b334a45a8ff 455 __HAL_UNLOCK(htsc);
bogdanm 0:9b334a45a8ff 456
bogdanm 0:9b334a45a8ff 457 /* Return function status */
bogdanm 0:9b334a45a8ff 458 return HAL_OK;
bogdanm 0:9b334a45a8ff 459 }
bogdanm 0:9b334a45a8ff 460
bogdanm 0:9b334a45a8ff 461 /**
bogdanm 0:9b334a45a8ff 462 * @brief Gets the acquisition status for a group
bogdanm 0:9b334a45a8ff 463 * @param htsc: pointer to a TSC_HandleTypeDef structure that contains
bogdanm 0:9b334a45a8ff 464 * the configuration information for the specified TSC.
bogdanm 0:9b334a45a8ff 465 * @param gx_index: Index of the group
bogdanm 0:9b334a45a8ff 466 * @retval Group status
bogdanm 0:9b334a45a8ff 467 */
bogdanm 0:9b334a45a8ff 468 TSC_GroupStatusTypeDef HAL_TSC_GroupGetStatus(TSC_HandleTypeDef* htsc, uint32_t gx_index)
bogdanm 0:9b334a45a8ff 469 {
bogdanm 0:9b334a45a8ff 470 /* Check the parameters */
bogdanm 0:9b334a45a8ff 471 assert_param(IS_TSC_ALL_INSTANCE(htsc->Instance));
bogdanm 0:9b334a45a8ff 472 assert_param(IS_GROUP_INDEX(gx_index));
bogdanm 0:9b334a45a8ff 473
bogdanm 0:9b334a45a8ff 474 /* Return the group status */
bogdanm 0:9b334a45a8ff 475 return(__HAL_TSC_GET_GROUP_STATUS(htsc, gx_index));
bogdanm 0:9b334a45a8ff 476 }
bogdanm 0:9b334a45a8ff 477
bogdanm 0:9b334a45a8ff 478 /**
bogdanm 0:9b334a45a8ff 479 * @brief Gets the acquisition measure for a group
bogdanm 0:9b334a45a8ff 480 * @param htsc: pointer to a TSC_HandleTypeDef structure that contains
bogdanm 0:9b334a45a8ff 481 * the configuration information for the specified TSC.
bogdanm 0:9b334a45a8ff 482 * @param gx_index: Index of the group
bogdanm 0:9b334a45a8ff 483 * @retval Acquisition measure
bogdanm 0:9b334a45a8ff 484 */
bogdanm 0:9b334a45a8ff 485 uint32_t HAL_TSC_GroupGetValue(TSC_HandleTypeDef* htsc, uint32_t gx_index)
bogdanm 0:9b334a45a8ff 486 {
bogdanm 0:9b334a45a8ff 487 /* Check the parameters */
bogdanm 0:9b334a45a8ff 488 assert_param(IS_TSC_ALL_INSTANCE(htsc->Instance));
bogdanm 0:9b334a45a8ff 489 assert_param(IS_GROUP_INDEX(gx_index));
bogdanm 0:9b334a45a8ff 490
bogdanm 0:9b334a45a8ff 491 /* Return the group acquisition counter */
bogdanm 0:9b334a45a8ff 492 return htsc->Instance->IOGXCR[gx_index];
bogdanm 0:9b334a45a8ff 493 }
bogdanm 0:9b334a45a8ff 494
bogdanm 0:9b334a45a8ff 495 /**
bogdanm 0:9b334a45a8ff 496 * @}
bogdanm 0:9b334a45a8ff 497 */
bogdanm 0:9b334a45a8ff 498
bogdanm 0:9b334a45a8ff 499 /** @defgroup TSC_Exported_Functions_Group3 Peripheral Control functions
bogdanm 0:9b334a45a8ff 500 * @brief Peripheral Control functions
bogdanm 0:9b334a45a8ff 501 *
bogdanm 0:9b334a45a8ff 502 @verbatim
bogdanm 0:9b334a45a8ff 503 ===============================================================================
bogdanm 0:9b334a45a8ff 504 ##### Peripheral Control functions #####
bogdanm 0:9b334a45a8ff 505 ===============================================================================
bogdanm 0:9b334a45a8ff 506 [..] This section provides functions allowing to:
bogdanm 0:9b334a45a8ff 507 (+) Configure TSC IOs
bogdanm 0:9b334a45a8ff 508 (+) Discharge TSC IOs
bogdanm 0:9b334a45a8ff 509 @endverbatim
bogdanm 0:9b334a45a8ff 510 * @{
bogdanm 0:9b334a45a8ff 511 */
bogdanm 0:9b334a45a8ff 512
bogdanm 0:9b334a45a8ff 513 /**
bogdanm 0:9b334a45a8ff 514 * @brief Configures TSC IOs
bogdanm 0:9b334a45a8ff 515 * @param htsc: pointer to a TSC_HandleTypeDef structure that contains
bogdanm 0:9b334a45a8ff 516 * the configuration information for the specified TSC.
bogdanm 0:9b334a45a8ff 517 * @param config: pointer to the configuration structure.
bogdanm 0:9b334a45a8ff 518 * @retval HAL status
bogdanm 0:9b334a45a8ff 519 */
bogdanm 0:9b334a45a8ff 520 HAL_StatusTypeDef HAL_TSC_IOConfig(TSC_HandleTypeDef* htsc, TSC_IOConfigTypeDef* config)
bogdanm 0:9b334a45a8ff 521 {
bogdanm 0:9b334a45a8ff 522 /* Check the parameters */
bogdanm 0:9b334a45a8ff 523 assert_param(IS_TSC_ALL_INSTANCE(htsc->Instance));
bogdanm 0:9b334a45a8ff 524
bogdanm 0:9b334a45a8ff 525 /* Process locked */
bogdanm 0:9b334a45a8ff 526 __HAL_LOCK(htsc);
bogdanm 0:9b334a45a8ff 527
bogdanm 0:9b334a45a8ff 528 /* Stop acquisition */
bogdanm 0:9b334a45a8ff 529 __HAL_TSC_STOP_ACQ(htsc);
bogdanm 0:9b334a45a8ff 530
bogdanm 0:9b334a45a8ff 531 /* Disable Schmitt trigger hysteresis on all used TSC IOs */
bogdanm 0:9b334a45a8ff 532 htsc->Instance->IOHCR = (uint32_t)(~(config->ChannelIOs | config->ShieldIOs | config->SamplingIOs));
bogdanm 0:9b334a45a8ff 533
bogdanm 0:9b334a45a8ff 534 /* Set channel and shield IOs */
bogdanm 0:9b334a45a8ff 535 htsc->Instance->IOCCR = (config->ChannelIOs | config->ShieldIOs);
bogdanm 0:9b334a45a8ff 536
bogdanm 0:9b334a45a8ff 537 /* Set sampling IOs */
bogdanm 0:9b334a45a8ff 538 htsc->Instance->IOSCR = config->SamplingIOs;
bogdanm 0:9b334a45a8ff 539
bogdanm 0:9b334a45a8ff 540 /* Set groups to be acquired */
bogdanm 0:9b334a45a8ff 541 htsc->Instance->IOGCSR = TSC_extract_groups(config->ChannelIOs);
bogdanm 0:9b334a45a8ff 542
bogdanm 0:9b334a45a8ff 543 /* Process unlocked */
bogdanm 0:9b334a45a8ff 544 __HAL_UNLOCK(htsc);
bogdanm 0:9b334a45a8ff 545
bogdanm 0:9b334a45a8ff 546 /* Return function status */
bogdanm 0:9b334a45a8ff 547 return HAL_OK;
bogdanm 0:9b334a45a8ff 548 }
bogdanm 0:9b334a45a8ff 549
bogdanm 0:9b334a45a8ff 550 /**
bogdanm 0:9b334a45a8ff 551 * @brief Discharge TSC IOs
bogdanm 0:9b334a45a8ff 552 * @param htsc: pointer to a TSC_HandleTypeDef structure that contains
bogdanm 0:9b334a45a8ff 553 * the configuration information for the specified TSC.
bogdanm 0:9b334a45a8ff 554 * @param choice: enable or disable
bogdanm 0:9b334a45a8ff 555 * @retval HAL status
bogdanm 0:9b334a45a8ff 556 */
bogdanm 0:9b334a45a8ff 557 HAL_StatusTypeDef HAL_TSC_IODischarge(TSC_HandleTypeDef* htsc, uint32_t choice)
bogdanm 0:9b334a45a8ff 558 {
bogdanm 0:9b334a45a8ff 559 /* Check the parameters */
bogdanm 0:9b334a45a8ff 560 assert_param(IS_TSC_ALL_INSTANCE(htsc->Instance));
bogdanm 0:9b334a45a8ff 561
bogdanm 0:9b334a45a8ff 562 /* Process locked */
bogdanm 0:9b334a45a8ff 563 __HAL_LOCK(htsc);
bogdanm 0:9b334a45a8ff 564
bogdanm 0:9b334a45a8ff 565 if (choice == ENABLE)
bogdanm 0:9b334a45a8ff 566 {
bogdanm 0:9b334a45a8ff 567 __HAL_TSC_SET_IODEF_OUTPPLOW(htsc);
bogdanm 0:9b334a45a8ff 568 }
bogdanm 0:9b334a45a8ff 569 else
bogdanm 0:9b334a45a8ff 570 {
bogdanm 0:9b334a45a8ff 571 __HAL_TSC_SET_IODEF_INFLOAT(htsc);
bogdanm 0:9b334a45a8ff 572 }
bogdanm 0:9b334a45a8ff 573
bogdanm 0:9b334a45a8ff 574 /* Process unlocked */
bogdanm 0:9b334a45a8ff 575 __HAL_UNLOCK(htsc);
bogdanm 0:9b334a45a8ff 576
bogdanm 0:9b334a45a8ff 577 /* Return the group acquisition counter */
bogdanm 0:9b334a45a8ff 578 return HAL_OK;
bogdanm 0:9b334a45a8ff 579 }
bogdanm 0:9b334a45a8ff 580
bogdanm 0:9b334a45a8ff 581 /**
bogdanm 0:9b334a45a8ff 582 * @}
bogdanm 0:9b334a45a8ff 583 */
bogdanm 0:9b334a45a8ff 584
bogdanm 0:9b334a45a8ff 585 /** @defgroup TSC_Exported_Functions_Group4 Peripheral State functions
bogdanm 0:9b334a45a8ff 586 * @brief State functions
bogdanm 0:9b334a45a8ff 587 *
bogdanm 0:9b334a45a8ff 588 @verbatim
bogdanm 0:9b334a45a8ff 589 ===============================================================================
bogdanm 0:9b334a45a8ff 590 ##### State functions #####
bogdanm 0:9b334a45a8ff 591 ===============================================================================
bogdanm 0:9b334a45a8ff 592 [..]
bogdanm 0:9b334a45a8ff 593 This subsection provides functions allowing to
bogdanm 0:9b334a45a8ff 594 (+) Get TSC state.
bogdanm 0:9b334a45a8ff 595 (+) Poll for acquisition completed.
bogdanm 0:9b334a45a8ff 596 (+) Handles TSC interrupt request.
bogdanm 0:9b334a45a8ff 597
bogdanm 0:9b334a45a8ff 598 @endverbatim
bogdanm 0:9b334a45a8ff 599 * @{
bogdanm 0:9b334a45a8ff 600 */
bogdanm 0:9b334a45a8ff 601
bogdanm 0:9b334a45a8ff 602 /**
bogdanm 0:9b334a45a8ff 603 * @brief Return the TSC state
bogdanm 0:9b334a45a8ff 604 * @param htsc: pointer to a TSC_HandleTypeDef structure that contains
bogdanm 0:9b334a45a8ff 605 * the configuration information for the specified TSC.
bogdanm 0:9b334a45a8ff 606 * @retval HAL state
bogdanm 0:9b334a45a8ff 607 */
bogdanm 0:9b334a45a8ff 608 HAL_TSC_StateTypeDef HAL_TSC_GetState(TSC_HandleTypeDef* htsc)
bogdanm 0:9b334a45a8ff 609 {
bogdanm 0:9b334a45a8ff 610 /* Check the parameters */
bogdanm 0:9b334a45a8ff 611 assert_param(IS_TSC_ALL_INSTANCE(htsc->Instance));
bogdanm 0:9b334a45a8ff 612
bogdanm 0:9b334a45a8ff 613 if (htsc->State == HAL_TSC_STATE_BUSY)
bogdanm 0:9b334a45a8ff 614 {
bogdanm 0:9b334a45a8ff 615 /* Check end of acquisition flag */
bogdanm 0:9b334a45a8ff 616 if (__HAL_TSC_GET_FLAG(htsc, TSC_FLAG_EOA) != RESET)
bogdanm 0:9b334a45a8ff 617 {
bogdanm 0:9b334a45a8ff 618 /* Check max count error flag */
bogdanm 0:9b334a45a8ff 619 if (__HAL_TSC_GET_FLAG(htsc, TSC_FLAG_MCE) != RESET)
bogdanm 0:9b334a45a8ff 620 {
bogdanm 0:9b334a45a8ff 621 /* Change TSC state */
bogdanm 0:9b334a45a8ff 622 htsc->State = HAL_TSC_STATE_ERROR;
bogdanm 0:9b334a45a8ff 623 }
bogdanm 0:9b334a45a8ff 624 else
bogdanm 0:9b334a45a8ff 625 {
bogdanm 0:9b334a45a8ff 626 /* Change TSC state */
bogdanm 0:9b334a45a8ff 627 htsc->State = HAL_TSC_STATE_READY;
bogdanm 0:9b334a45a8ff 628 }
bogdanm 0:9b334a45a8ff 629 }
bogdanm 0:9b334a45a8ff 630 }
bogdanm 0:9b334a45a8ff 631
bogdanm 0:9b334a45a8ff 632 /* Return TSC state */
bogdanm 0:9b334a45a8ff 633 return htsc->State;
bogdanm 0:9b334a45a8ff 634 }
bogdanm 0:9b334a45a8ff 635
bogdanm 0:9b334a45a8ff 636 /**
bogdanm 0:9b334a45a8ff 637 * @brief Start acquisition and wait until completion
bogdanm 0:9b334a45a8ff 638 * @note There is no need of a timeout parameter as the max count error is already
bogdanm 0:9b334a45a8ff 639 * managed by the TSC peripheral.
bogdanm 0:9b334a45a8ff 640 * @param htsc: pointer to a TSC_HandleTypeDef structure that contains
bogdanm 0:9b334a45a8ff 641 * the configuration information for the specified TSC.
bogdanm 0:9b334a45a8ff 642 * @retval HAL state
bogdanm 0:9b334a45a8ff 643 */
bogdanm 0:9b334a45a8ff 644 HAL_StatusTypeDef HAL_TSC_PollForAcquisition(TSC_HandleTypeDef* htsc)
bogdanm 0:9b334a45a8ff 645 {
bogdanm 0:9b334a45a8ff 646 /* Check the parameters */
bogdanm 0:9b334a45a8ff 647 assert_param(IS_TSC_ALL_INSTANCE(htsc->Instance));
bogdanm 0:9b334a45a8ff 648
bogdanm 0:9b334a45a8ff 649 /* Process locked */
bogdanm 0:9b334a45a8ff 650 __HAL_LOCK(htsc);
bogdanm 0:9b334a45a8ff 651
bogdanm 0:9b334a45a8ff 652 /* Check end of acquisition */
bogdanm 0:9b334a45a8ff 653 while (HAL_TSC_GetState(htsc) == HAL_TSC_STATE_BUSY)
bogdanm 0:9b334a45a8ff 654 {
bogdanm 0:9b334a45a8ff 655 /* The timeout (max count error) is managed by the TSC peripheral itself. */
bogdanm 0:9b334a45a8ff 656 }
bogdanm 0:9b334a45a8ff 657
bogdanm 0:9b334a45a8ff 658 /* Process unlocked */
bogdanm 0:9b334a45a8ff 659 __HAL_UNLOCK(htsc);
bogdanm 0:9b334a45a8ff 660
bogdanm 0:9b334a45a8ff 661 return HAL_OK;
bogdanm 0:9b334a45a8ff 662 }
bogdanm 0:9b334a45a8ff 663
bogdanm 0:9b334a45a8ff 664 /**
bogdanm 0:9b334a45a8ff 665 * @brief Handles TSC interrupt request
bogdanm 0:9b334a45a8ff 666 * @param htsc: pointer to a TSC_HandleTypeDef structure that contains
bogdanm 0:9b334a45a8ff 667 * the configuration information for the specified TSC.
bogdanm 0:9b334a45a8ff 668 * @retval None
bogdanm 0:9b334a45a8ff 669 */
bogdanm 0:9b334a45a8ff 670 void HAL_TSC_IRQHandler(TSC_HandleTypeDef* htsc)
bogdanm 0:9b334a45a8ff 671 {
bogdanm 0:9b334a45a8ff 672 /* Check the parameters */
bogdanm 0:9b334a45a8ff 673 assert_param(IS_TSC_ALL_INSTANCE(htsc->Instance));
bogdanm 0:9b334a45a8ff 674
bogdanm 0:9b334a45a8ff 675 /* Check if the end of acquisition occured */
bogdanm 0:9b334a45a8ff 676 if (__HAL_TSC_GET_FLAG(htsc, TSC_FLAG_EOA) != RESET)
bogdanm 0:9b334a45a8ff 677 {
bogdanm 0:9b334a45a8ff 678 /* Clear EOA flag */
bogdanm 0:9b334a45a8ff 679 __HAL_TSC_CLEAR_FLAG(htsc, TSC_FLAG_EOA);
bogdanm 0:9b334a45a8ff 680 }
bogdanm 0:9b334a45a8ff 681
bogdanm 0:9b334a45a8ff 682 /* Check if max count error occured */
bogdanm 0:9b334a45a8ff 683 if (__HAL_TSC_GET_FLAG(htsc, TSC_FLAG_MCE) != RESET)
bogdanm 0:9b334a45a8ff 684 {
bogdanm 0:9b334a45a8ff 685 /* Clear MCE flag */
bogdanm 0:9b334a45a8ff 686 __HAL_TSC_CLEAR_FLAG(htsc, TSC_FLAG_MCE);
bogdanm 0:9b334a45a8ff 687 /* Change TSC state */
bogdanm 0:9b334a45a8ff 688 htsc->State = HAL_TSC_STATE_ERROR;
bogdanm 0:9b334a45a8ff 689 /* Conversion completed callback */
bogdanm 0:9b334a45a8ff 690 HAL_TSC_ErrorCallback(htsc);
bogdanm 0:9b334a45a8ff 691 }
bogdanm 0:9b334a45a8ff 692 else
bogdanm 0:9b334a45a8ff 693 {
bogdanm 0:9b334a45a8ff 694 /* Change TSC state */
bogdanm 0:9b334a45a8ff 695 htsc->State = HAL_TSC_STATE_READY;
bogdanm 0:9b334a45a8ff 696 /* Conversion completed callback */
bogdanm 0:9b334a45a8ff 697 HAL_TSC_ConvCpltCallback(htsc);
bogdanm 0:9b334a45a8ff 698 }
bogdanm 0:9b334a45a8ff 699 }
bogdanm 0:9b334a45a8ff 700
bogdanm 0:9b334a45a8ff 701 /**
bogdanm 0:9b334a45a8ff 702 * @}
bogdanm 0:9b334a45a8ff 703 */
bogdanm 0:9b334a45a8ff 704
bogdanm 0:9b334a45a8ff 705 /**
bogdanm 0:9b334a45a8ff 706 * @brief Acquisition completed callback in non blocking mode
bogdanm 0:9b334a45a8ff 707 * @param htsc: pointer to a TSC_HandleTypeDef structure that contains
bogdanm 0:9b334a45a8ff 708 * the configuration information for the specified TSC.
bogdanm 0:9b334a45a8ff 709 * @retval None
bogdanm 0:9b334a45a8ff 710 */
bogdanm 0:9b334a45a8ff 711 __weak void HAL_TSC_ConvCpltCallback(TSC_HandleTypeDef* htsc)
bogdanm 0:9b334a45a8ff 712 {
bogdanm 0:9b334a45a8ff 713 /* NOTE : This function should not be modified, when the callback is needed,
bogdanm 0:9b334a45a8ff 714 the HAL_TSC_ConvCpltCallback could be implemented in the user file.
bogdanm 0:9b334a45a8ff 715 */
bogdanm 0:9b334a45a8ff 716 }
bogdanm 0:9b334a45a8ff 717
bogdanm 0:9b334a45a8ff 718 /**
bogdanm 0:9b334a45a8ff 719 * @brief Error callback in non blocking mode
bogdanm 0:9b334a45a8ff 720 * @param htsc: pointer to a TSC_HandleTypeDef structure that contains
bogdanm 0:9b334a45a8ff 721 * the configuration information for the specified TSC.
bogdanm 0:9b334a45a8ff 722 * @retval None
bogdanm 0:9b334a45a8ff 723 */
bogdanm 0:9b334a45a8ff 724 __weak void HAL_TSC_ErrorCallback(TSC_HandleTypeDef* htsc)
bogdanm 0:9b334a45a8ff 725 {
bogdanm 0:9b334a45a8ff 726 /* NOTE : This function should not be modified, when the callback is needed,
bogdanm 0:9b334a45a8ff 727 the HAL_TSC_ErrorCallback could be implemented in the user file.
bogdanm 0:9b334a45a8ff 728 */
bogdanm 0:9b334a45a8ff 729 }
bogdanm 0:9b334a45a8ff 730
bogdanm 0:9b334a45a8ff 731 /**
bogdanm 0:9b334a45a8ff 732 * @brief Utility function used to set the acquired groups mask
bogdanm 0:9b334a45a8ff 733 * @param iomask: Channels IOs mask
bogdanm 0:9b334a45a8ff 734 * @retval Acquired groups mask
bogdanm 0:9b334a45a8ff 735 */
bogdanm 0:9b334a45a8ff 736 static uint32_t TSC_extract_groups(uint32_t iomask)
bogdanm 0:9b334a45a8ff 737 {
bogdanm 0:9b334a45a8ff 738 uint32_t groups = 0;
bogdanm 0:9b334a45a8ff 739 uint32_t idx;
bogdanm 0:9b334a45a8ff 740
bogdanm 0:9b334a45a8ff 741 for (idx = 0; idx < TSC_NB_OF_GROUPS; idx++)
bogdanm 0:9b334a45a8ff 742 {
bogdanm 0:9b334a45a8ff 743 if ((iomask & ((uint32_t)0x0F << (idx * 4))) != RESET)
bogdanm 0:9b334a45a8ff 744 {
bogdanm 0:9b334a45a8ff 745 groups |= ((uint32_t)1 << idx);
bogdanm 0:9b334a45a8ff 746 }
bogdanm 0:9b334a45a8ff 747 }
bogdanm 0:9b334a45a8ff 748
bogdanm 0:9b334a45a8ff 749 return groups;
bogdanm 0:9b334a45a8ff 750 }
bogdanm 0:9b334a45a8ff 751
bogdanm 0:9b334a45a8ff 752 /**
bogdanm 0:9b334a45a8ff 753 * @}
bogdanm 0:9b334a45a8ff 754 */
bogdanm 0:9b334a45a8ff 755
bogdanm 0:9b334a45a8ff 756 #endif /* HAL_TSC_MODULE_ENABLED */
bogdanm 0:9b334a45a8ff 757
bogdanm 0:9b334a45a8ff 758 /**
bogdanm 0:9b334a45a8ff 759 * @}
bogdanm 0:9b334a45a8ff 760 */
bogdanm 0:9b334a45a8ff 761
bogdanm 0:9b334a45a8ff 762 /**
bogdanm 0:9b334a45a8ff 763 * @}
bogdanm 0:9b334a45a8ff 764 */
bogdanm 0:9b334a45a8ff 765
bogdanm 0:9b334a45a8ff 766 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/