en 129 / mbed-dev

fix LPC812 PWM

Dependents:   IR_LED_Send

Fork of mbed-dev by mbed official

targets/cmsis/TARGET_STM/TARGET_STM32L0/stm32l0xx_hal_tsc.c@129:2e517c56bcfb, 2016-05-16 (annotated)

Committer:
nameless129
Date:
Mon May 16 16:50:30 2016 +0000
Revision:
129:2e517c56bcfb
Parent:
113:b3775bf36a83 
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 stm32l0xx_hal_tsc.c
bogdanm 0:9b334a45a8ff 4 * @author MCD Application Team
mbed_official 113:b3775bf36a83 5 * @version V1.5.0
mbed_official 113:b3775bf36a83 6 * @date 8-January-2016
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 *
mbed_official 113:b3775bf36a83 84 * <h2><center>&copy; COPYRIGHT(c) 2016 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 ------------------------------------------------------------------*/
mbed_official 113:b3775bf36a83 112 #if !defined(STM32L011xx) && !defined(STM32L021xx) && !defined (STM32L031xx) && !defined (STM32L041xx) && !defined (STM32L051xx) && !defined (STM32L061xx) && !defined (STM32L071xx) && !defined (STM32L081xx)
bogdanm 0:9b334a45a8ff 113 #include "stm32l0xx_hal.h"
bogdanm 0:9b334a45a8ff 114
bogdanm 0:9b334a45a8ff 115 #ifdef HAL_TSC_MODULE_ENABLED
bogdanm 0:9b334a45a8ff 116 /** @addtogroup STM32L0xx_HAL_Driver
bogdanm 0:9b334a45a8ff 117 * @{
bogdanm 0:9b334a45a8ff 118 */
bogdanm 0:9b334a45a8ff 119
mbed_official 113:b3775bf36a83 120 /** @addtogroup TSC
bogdanm 0:9b334a45a8ff 121 * @brief HAL TSC module driver
bogdanm 0:9b334a45a8ff 122 * @{
bogdanm 0:9b334a45a8ff 123 */
bogdanm 0:9b334a45a8ff 124
mbed_official 113:b3775bf36a83 125 /** @addtogroup TSC_Private TSC Private
mbed_official 113:b3775bf36a83 126 * @{
mbed_official 113:b3775bf36a83 127 */
bogdanm 0:9b334a45a8ff 128 /* Private typedef -----------------------------------------------------------*/
bogdanm 0:9b334a45a8ff 129 /* Private define ------------------------------------------------------------*/
bogdanm 0:9b334a45a8ff 130 /* Private macro -------------------------------------------------------------*/
bogdanm 0:9b334a45a8ff 131 /* Private variables ---------------------------------------------------------*/
bogdanm 0:9b334a45a8ff 132 /* Private function prototypes -----------------------------------------------*/
mbed_official 113:b3775bf36a83 133
bogdanm 0:9b334a45a8ff 134 static uint32_t TSC_extract_groups(uint32_t iomask);
bogdanm 0:9b334a45a8ff 135 /* Private functions ---------------------------------------------------------*/
mbed_official 113:b3775bf36a83 136 /**
mbed_official 113:b3775bf36a83 137 * @}
mbed_official 113:b3775bf36a83 138 */
mbed_official 113:b3775bf36a83 139 /** @addtogroup TSC_Exported_Functions TSC Exported Functions
bogdanm 0:9b334a45a8ff 140 * @{
bogdanm 0:9b334a45a8ff 141 */
bogdanm 0:9b334a45a8ff 142
mbed_official 113:b3775bf36a83 143 /** @addtogroup HAL_TSC_Exported_Functions_Group1
bogdanm 0:9b334a45a8ff 144 * @brief Initialization and Configuration functions
bogdanm 0:9b334a45a8ff 145 *
bogdanm 0:9b334a45a8ff 146 @verbatim
bogdanm 0:9b334a45a8ff 147 ===============================================================================
bogdanm 0:9b334a45a8ff 148 ##### Initialization and de-initialization functions #####
bogdanm 0:9b334a45a8ff 149 ===============================================================================
bogdanm 0:9b334a45a8ff 150 [..] This section provides functions allowing to:
bogdanm 0:9b334a45a8ff 151 (+) Initialize and configure the TSC.
bogdanm 0:9b334a45a8ff 152 (+) De-initialize the TSC.
bogdanm 0:9b334a45a8ff 153 @endverbatim
bogdanm 0:9b334a45a8ff 154 * @{
bogdanm 0:9b334a45a8ff 155 */
bogdanm 0:9b334a45a8ff 156
bogdanm 0:9b334a45a8ff 157 /**
bogdanm 0:9b334a45a8ff 158 * @brief Initializes the TSC peripheral according to the specified parameters
bogdanm 0:9b334a45a8ff 159 * in the TSC_InitTypeDef structure.
bogdanm 0:9b334a45a8ff 160 * @param htsc: TSC handle
bogdanm 0:9b334a45a8ff 161 * @retval HAL status
bogdanm 0:9b334a45a8ff 162 */
bogdanm 0:9b334a45a8ff 163 HAL_StatusTypeDef HAL_TSC_Init(TSC_HandleTypeDef* htsc)
bogdanm 0:9b334a45a8ff 164 {
bogdanm 0:9b334a45a8ff 165 /* Check TSC handle allocation */
bogdanm 0:9b334a45a8ff 166 if (htsc == NULL)
bogdanm 0:9b334a45a8ff 167 {
bogdanm 0:9b334a45a8ff 168 return HAL_ERROR;
bogdanm 0:9b334a45a8ff 169 }
bogdanm 0:9b334a45a8ff 170
bogdanm 0:9b334a45a8ff 171 /* Check the parameters */
bogdanm 0:9b334a45a8ff 172 assert_param(IS_TSC_ALL_INSTANCE(htsc->Instance));
bogdanm 0:9b334a45a8ff 173 assert_param(IS_TSC_CTPH(htsc->Init.CTPulseHighLength));
bogdanm 0:9b334a45a8ff 174 assert_param(IS_TSC_CTPL(htsc->Init.CTPulseLowLength));
bogdanm 0:9b334a45a8ff 175 assert_param(IS_TSC_SS(htsc->Init.SpreadSpectrum));
bogdanm 0:9b334a45a8ff 176 assert_param(IS_TSC_SSD(htsc->Init.SpreadSpectrumDeviation));
bogdanm 0:9b334a45a8ff 177 assert_param(IS_TSC_SS_PRESC(htsc->Init.SpreadSpectrumPrescaler));
bogdanm 0:9b334a45a8ff 178 assert_param(IS_TSC_PG_PRESC(htsc->Init.PulseGeneratorPrescaler));
bogdanm 0:9b334a45a8ff 179 assert_param(IS_TSC_MCV(htsc->Init.MaxCountValue));
bogdanm 0:9b334a45a8ff 180 assert_param(IS_TSC_IODEF(htsc->Init.IODefaultMode));
bogdanm 0:9b334a45a8ff 181 assert_param(IS_TSC_SYNC_POL(htsc->Init.SynchroPinPolarity));
bogdanm 0:9b334a45a8ff 182 assert_param(IS_TSC_ACQ_MODE(htsc->Init.AcquisitionMode));
bogdanm 0:9b334a45a8ff 183 assert_param(IS_TSC_MCE_IT(htsc->Init.MaxCountInterrupt));
mbed_official 113:b3775bf36a83 184
mbed_official 113:b3775bf36a83 185 if(htsc->State == HAL_TSC_STATE_RESET)
mbed_official 113:b3775bf36a83 186 {
mbed_official 113:b3775bf36a83 187 /* Allocate lock resource and initialize it */
mbed_official 113:b3775bf36a83 188 htsc->Lock = HAL_UNLOCKED;
mbed_official 113:b3775bf36a83 189 }
mbed_official 113:b3775bf36a83 190
bogdanm 0:9b334a45a8ff 191 /* Initialize the TSC state */
bogdanm 0:9b334a45a8ff 192 htsc->State = HAL_TSC_STATE_BUSY;
bogdanm 0:9b334a45a8ff 193
bogdanm 0:9b334a45a8ff 194 /* Init the low level hardware : GPIO, CLOCK, CORTEX */
bogdanm 0:9b334a45a8ff 195 HAL_TSC_MspInit(htsc);
bogdanm 0:9b334a45a8ff 196
bogdanm 0:9b334a45a8ff 197 /*--------------------------------------------------------------------------*/
bogdanm 0:9b334a45a8ff 198 /* Set TSC parameters */
bogdanm 0:9b334a45a8ff 199
bogdanm 0:9b334a45a8ff 200 /* Enable TSC */
bogdanm 0:9b334a45a8ff 201 htsc->Instance->CR = TSC_CR_TSCE;
bogdanm 0:9b334a45a8ff 202
bogdanm 0:9b334a45a8ff 203 /* Set all functions */
bogdanm 0:9b334a45a8ff 204 htsc->Instance->CR |= (htsc->Init.CTPulseHighLength |
bogdanm 0:9b334a45a8ff 205 htsc->Init.CTPulseLowLength |
bogdanm 0:9b334a45a8ff 206 (uint32_t)(htsc->Init.SpreadSpectrumDeviation << 17) |
bogdanm 0:9b334a45a8ff 207 htsc->Init.SpreadSpectrumPrescaler |
bogdanm 0:9b334a45a8ff 208 htsc->Init.PulseGeneratorPrescaler |
bogdanm 0:9b334a45a8ff 209 htsc->Init.MaxCountValue |
bogdanm 0:9b334a45a8ff 210 htsc->Init.SynchroPinPolarity |
bogdanm 0:9b334a45a8ff 211 htsc->Init.AcquisitionMode);
bogdanm 0:9b334a45a8ff 212
bogdanm 0:9b334a45a8ff 213 /* Spread spectrum */
bogdanm 0:9b334a45a8ff 214 if (htsc->Init.SpreadSpectrum == ENABLE)
bogdanm 0:9b334a45a8ff 215 {
bogdanm 0:9b334a45a8ff 216 htsc->Instance->CR |= TSC_CR_SSE;
bogdanm 0:9b334a45a8ff 217 }
bogdanm 0:9b334a45a8ff 218
bogdanm 0:9b334a45a8ff 219 /* Disable Schmitt trigger hysteresis on all used TSC IOs */
bogdanm 0:9b334a45a8ff 220 htsc->Instance->IOHCR = (uint32_t)(~(htsc->Init.ChannelIOs | htsc->Init.ShieldIOs | htsc->Init.SamplingIOs));
bogdanm 0:9b334a45a8ff 221
bogdanm 0:9b334a45a8ff 222 /* Set channel and shield IOs */
bogdanm 0:9b334a45a8ff 223 htsc->Instance->IOCCR = (htsc->Init.ChannelIOs | htsc->Init.ShieldIOs);
bogdanm 0:9b334a45a8ff 224
bogdanm 0:9b334a45a8ff 225 /* Set sampling IOs */
bogdanm 0:9b334a45a8ff 226 htsc->Instance->IOSCR = htsc->Init.SamplingIOs;
bogdanm 0:9b334a45a8ff 227
bogdanm 0:9b334a45a8ff 228 /* Set the groups to be acquired */
bogdanm 0:9b334a45a8ff 229 htsc->Instance->IOGCSR = TSC_extract_groups(htsc->Init.ChannelIOs);
bogdanm 0:9b334a45a8ff 230
bogdanm 0:9b334a45a8ff 231 /* Clear interrupts */
bogdanm 0:9b334a45a8ff 232 htsc->Instance->IER &= (uint32_t)(~(TSC_IT_EOA | TSC_IT_MCE));
bogdanm 0:9b334a45a8ff 233
bogdanm 0:9b334a45a8ff 234 /* Clear flags */
mbed_official 113:b3775bf36a83 235 htsc->Instance->ICR = (TSC_FLAG_EOA | TSC_FLAG_MCE);
bogdanm 0:9b334a45a8ff 236
bogdanm 0:9b334a45a8ff 237 /*--------------------------------------------------------------------------*/
bogdanm 0:9b334a45a8ff 238
bogdanm 0:9b334a45a8ff 239 /* Initialize the TSC state */
bogdanm 0:9b334a45a8ff 240 htsc->State = HAL_TSC_STATE_READY;
bogdanm 0:9b334a45a8ff 241
bogdanm 0:9b334a45a8ff 242 /* Return function status */
bogdanm 0:9b334a45a8ff 243 return HAL_OK;
bogdanm 0:9b334a45a8ff 244 }
bogdanm 0:9b334a45a8ff 245
bogdanm 0:9b334a45a8ff 246 /**
bogdanm 0:9b334a45a8ff 247 * @brief Deinitializes the TSC peripheral registers to their default reset values.
bogdanm 0:9b334a45a8ff 248 * @param htsc: TSC handle
bogdanm 0:9b334a45a8ff 249 * @retval HAL status
bogdanm 0:9b334a45a8ff 250 */
bogdanm 0:9b334a45a8ff 251 HAL_StatusTypeDef HAL_TSC_DeInit(TSC_HandleTypeDef* htsc)
bogdanm 0:9b334a45a8ff 252 {
bogdanm 0:9b334a45a8ff 253 /* Check TSC handle allocation */
bogdanm 0:9b334a45a8ff 254 if (htsc == NULL)
bogdanm 0:9b334a45a8ff 255 {
bogdanm 0:9b334a45a8ff 256 return HAL_ERROR;
bogdanm 0:9b334a45a8ff 257 }
bogdanm 0:9b334a45a8ff 258
bogdanm 0:9b334a45a8ff 259 /* Check the parameters */
bogdanm 0:9b334a45a8ff 260 assert_param(IS_TSC_ALL_INSTANCE(htsc->Instance));
bogdanm 0:9b334a45a8ff 261
bogdanm 0:9b334a45a8ff 262 /* Change TSC state */
bogdanm 0:9b334a45a8ff 263 htsc->State = HAL_TSC_STATE_BUSY;
bogdanm 0:9b334a45a8ff 264
bogdanm 0:9b334a45a8ff 265 /* DeInit the low level hardware */
bogdanm 0:9b334a45a8ff 266 HAL_TSC_MspDeInit(htsc);
bogdanm 0:9b334a45a8ff 267
bogdanm 0:9b334a45a8ff 268 /* Change TSC state */
bogdanm 0:9b334a45a8ff 269 htsc->State = HAL_TSC_STATE_RESET;
bogdanm 0:9b334a45a8ff 270
bogdanm 0:9b334a45a8ff 271 /* Process unlocked */
bogdanm 0:9b334a45a8ff 272 __HAL_UNLOCK(htsc);
bogdanm 0:9b334a45a8ff 273
bogdanm 0:9b334a45a8ff 274 /* Return function status */
bogdanm 0:9b334a45a8ff 275 return HAL_OK;
bogdanm 0:9b334a45a8ff 276 }
bogdanm 0:9b334a45a8ff 277
bogdanm 0:9b334a45a8ff 278 /**
bogdanm 0:9b334a45a8ff 279 * @brief Initializes the TSC MSP.
bogdanm 0:9b334a45a8ff 280 * @param htsc: pointer to a TSC_HandleTypeDef structure that contains
bogdanm 0:9b334a45a8ff 281 * the configuration information for the specified TSC.
bogdanm 0:9b334a45a8ff 282 * @retval None
bogdanm 0:9b334a45a8ff 283 */
bogdanm 0:9b334a45a8ff 284 __weak void HAL_TSC_MspInit(TSC_HandleTypeDef* htsc)
bogdanm 0:9b334a45a8ff 285 {
mbed_official 113:b3775bf36a83 286 /* Prevent unused argument(s) compilation warning */
mbed_official 113:b3775bf36a83 287 UNUSED(htsc);
mbed_official 113:b3775bf36a83 288
bogdanm 0:9b334a45a8ff 289 /* NOTE : This function should not be modified, when the callback is needed,
bogdanm 0:9b334a45a8ff 290 the HAL_TSC_MspInit could be implemented in the user file.
bogdanm 0:9b334a45a8ff 291 */
bogdanm 0:9b334a45a8ff 292 }
bogdanm 0:9b334a45a8ff 293
bogdanm 0:9b334a45a8ff 294 /**
bogdanm 0:9b334a45a8ff 295 * @brief DeInitializes the TSC MSP.
bogdanm 0:9b334a45a8ff 296 * @param htsc: pointer to a TSC_HandleTypeDef structure that contains
bogdanm 0:9b334a45a8ff 297 * the configuration information for the specified TSC.
bogdanm 0:9b334a45a8ff 298 * @retval None
bogdanm 0:9b334a45a8ff 299 */
bogdanm 0:9b334a45a8ff 300 __weak void HAL_TSC_MspDeInit(TSC_HandleTypeDef* htsc)
bogdanm 0:9b334a45a8ff 301 {
mbed_official 113:b3775bf36a83 302 /* Prevent unused argument(s) compilation warning */
mbed_official 113:b3775bf36a83 303 UNUSED(htsc);
mbed_official 113:b3775bf36a83 304
bogdanm 0:9b334a45a8ff 305 /* NOTE : This function should not be modified, when the callback is needed,
bogdanm 0:9b334a45a8ff 306 the HAL_TSC_MspDeInit could be implemented in the user file.
bogdanm 0:9b334a45a8ff 307 */
bogdanm 0:9b334a45a8ff 308 }
bogdanm 0:9b334a45a8ff 309
bogdanm 0:9b334a45a8ff 310 /**
bogdanm 0:9b334a45a8ff 311 * @}
bogdanm 0:9b334a45a8ff 312 */
bogdanm 0:9b334a45a8ff 313
mbed_official 113:b3775bf36a83 314 /** @addtogroup HAL_TSC_Exported_Functions_Group2
bogdanm 0:9b334a45a8ff 315 * @brief IO operation functions
bogdanm 0:9b334a45a8ff 316 *
bogdanm 0:9b334a45a8ff 317 @verbatim
bogdanm 0:9b334a45a8ff 318 ===============================================================================
mbed_official 113:b3775bf36a83 319 ##### IO Operation functions #####
bogdanm 0:9b334a45a8ff 320 ===============================================================================
bogdanm 0:9b334a45a8ff 321 [..] This section provides functions allowing to:
bogdanm 0:9b334a45a8ff 322 (+) Start acquisition in polling mode.
bogdanm 0:9b334a45a8ff 323 (+) Start acquisition in interrupt mode.
bogdanm 0:9b334a45a8ff 324 (+) Stop conversion in polling mode.
bogdanm 0:9b334a45a8ff 325 (+) Stop conversion in interrupt mode.
bogdanm 0:9b334a45a8ff 326 (+) Get group acquisition status.
bogdanm 0:9b334a45a8ff 327 (+) Get group acquisition value.
bogdanm 0:9b334a45a8ff 328 @endverbatim
bogdanm 0:9b334a45a8ff 329 * @{
bogdanm 0:9b334a45a8ff 330 */
bogdanm 0:9b334a45a8ff 331
bogdanm 0:9b334a45a8ff 332 /**
bogdanm 0:9b334a45a8ff 333 * @brief Starts the acquisition.
bogdanm 0:9b334a45a8ff 334 * @param htsc: pointer to a TSC_HandleTypeDef structure that contains
bogdanm 0:9b334a45a8ff 335 * the configuration information for the specified TSC.
bogdanm 0:9b334a45a8ff 336 * @retval HAL status
bogdanm 0:9b334a45a8ff 337 */
bogdanm 0:9b334a45a8ff 338 HAL_StatusTypeDef HAL_TSC_Start(TSC_HandleTypeDef* htsc)
bogdanm 0:9b334a45a8ff 339 {
bogdanm 0:9b334a45a8ff 340 /* Check the parameters */
bogdanm 0:9b334a45a8ff 341 assert_param(IS_TSC_ALL_INSTANCE(htsc->Instance));
bogdanm 0:9b334a45a8ff 342
bogdanm 0:9b334a45a8ff 343 /* Process locked */
bogdanm 0:9b334a45a8ff 344 __HAL_LOCK(htsc);
bogdanm 0:9b334a45a8ff 345
bogdanm 0:9b334a45a8ff 346 /* Change TSC state */
bogdanm 0:9b334a45a8ff 347 htsc->State = HAL_TSC_STATE_BUSY;
bogdanm 0:9b334a45a8ff 348
bogdanm 0:9b334a45a8ff 349 /* Clear interrupts */
bogdanm 0:9b334a45a8ff 350 __HAL_TSC_DISABLE_IT(htsc, (TSC_IT_EOA | TSC_IT_MCE));
bogdanm 0:9b334a45a8ff 351
bogdanm 0:9b334a45a8ff 352 /* Clear flags */
bogdanm 0:9b334a45a8ff 353 __HAL_TSC_CLEAR_FLAG(htsc, (TSC_FLAG_EOA | TSC_FLAG_MCE));
bogdanm 0:9b334a45a8ff 354
mbed_official 113:b3775bf36a83 355 /* Set touch sensing IOs not acquired to the specified IODefaultMode */
mbed_official 113:b3775bf36a83 356 if (htsc->Init.IODefaultMode == TSC_IODEF_OUT_PP_LOW)
mbed_official 113:b3775bf36a83 357 {
mbed_official 113:b3775bf36a83 358 __HAL_TSC_SET_IODEF_OUTPPLOW(htsc);
mbed_official 113:b3775bf36a83 359 }
mbed_official 113:b3775bf36a83 360 else
mbed_official 113:b3775bf36a83 361 {
mbed_official 113:b3775bf36a83 362 __HAL_TSC_SET_IODEF_INFLOAT(htsc);
mbed_official 113:b3775bf36a83 363 }
bogdanm 0:9b334a45a8ff 364
bogdanm 0:9b334a45a8ff 365 /* Launch the acquisition */
bogdanm 0:9b334a45a8ff 366 __HAL_TSC_START_ACQ(htsc);
bogdanm 0:9b334a45a8ff 367
bogdanm 0:9b334a45a8ff 368 /* Process unlocked */
bogdanm 0:9b334a45a8ff 369 __HAL_UNLOCK(htsc);
bogdanm 0:9b334a45a8ff 370
bogdanm 0:9b334a45a8ff 371 /* Return function status */
bogdanm 0:9b334a45a8ff 372 return HAL_OK;
bogdanm 0:9b334a45a8ff 373 }
bogdanm 0:9b334a45a8ff 374
bogdanm 0:9b334a45a8ff 375 /**
bogdanm 0:9b334a45a8ff 376 * @brief Enables the interrupt and starts the acquisition
bogdanm 0:9b334a45a8ff 377 * @param htsc: pointer to a TSC_HandleTypeDef structure that contains
bogdanm 0:9b334a45a8ff 378 * the configuration information for the specified TSC.
bogdanm 0:9b334a45a8ff 379 * @retval HAL status.
bogdanm 0:9b334a45a8ff 380 */
bogdanm 0:9b334a45a8ff 381 HAL_StatusTypeDef HAL_TSC_Start_IT(TSC_HandleTypeDef* htsc)
bogdanm 0:9b334a45a8ff 382 {
bogdanm 0:9b334a45a8ff 383 /* Check the parameters */
bogdanm 0:9b334a45a8ff 384 assert_param(IS_TSC_ALL_INSTANCE(htsc->Instance));
bogdanm 0:9b334a45a8ff 385 assert_param(IS_TSC_MCE_IT(htsc->Init.MaxCountInterrupt));
bogdanm 0:9b334a45a8ff 386
bogdanm 0:9b334a45a8ff 387 /* Process locked */
bogdanm 0:9b334a45a8ff 388 __HAL_LOCK(htsc);
bogdanm 0:9b334a45a8ff 389
bogdanm 0:9b334a45a8ff 390 /* Change TSC state */
bogdanm 0:9b334a45a8ff 391 htsc->State = HAL_TSC_STATE_BUSY;
bogdanm 0:9b334a45a8ff 392
bogdanm 0:9b334a45a8ff 393 /* Enable end of acquisition interrupt */
bogdanm 0:9b334a45a8ff 394 __HAL_TSC_ENABLE_IT(htsc, TSC_IT_EOA);
bogdanm 0:9b334a45a8ff 395
bogdanm 0:9b334a45a8ff 396 /* Enable max count error interrupt (optional) */
bogdanm 0:9b334a45a8ff 397 if (htsc->Init.MaxCountInterrupt == ENABLE)
bogdanm 0:9b334a45a8ff 398 {
bogdanm 0:9b334a45a8ff 399 __HAL_TSC_ENABLE_IT(htsc, TSC_IT_MCE);
bogdanm 0:9b334a45a8ff 400 }
bogdanm 0:9b334a45a8ff 401 else
bogdanm 0:9b334a45a8ff 402 {
bogdanm 0:9b334a45a8ff 403 __HAL_TSC_DISABLE_IT(htsc, TSC_IT_MCE);
bogdanm 0:9b334a45a8ff 404 }
bogdanm 0:9b334a45a8ff 405
bogdanm 0:9b334a45a8ff 406 /* Clear flags */
bogdanm 0:9b334a45a8ff 407 __HAL_TSC_CLEAR_FLAG(htsc, (TSC_FLAG_EOA | TSC_FLAG_MCE));
bogdanm 0:9b334a45a8ff 408
mbed_official 113:b3775bf36a83 409 /* Set touch sensing IOs not acquired to the specified IODefaultMode */
mbed_official 113:b3775bf36a83 410 if (htsc->Init.IODefaultMode == TSC_IODEF_OUT_PP_LOW)
mbed_official 113:b3775bf36a83 411 {
mbed_official 113:b3775bf36a83 412 __HAL_TSC_SET_IODEF_OUTPPLOW(htsc);
mbed_official 113:b3775bf36a83 413 }
mbed_official 113:b3775bf36a83 414 else
mbed_official 113:b3775bf36a83 415 {
mbed_official 113:b3775bf36a83 416 __HAL_TSC_SET_IODEF_INFLOAT(htsc);
mbed_official 113:b3775bf36a83 417 }
bogdanm 0:9b334a45a8ff 418
bogdanm 0:9b334a45a8ff 419 /* Launch the acquisition */
bogdanm 0:9b334a45a8ff 420 __HAL_TSC_START_ACQ(htsc);
bogdanm 0:9b334a45a8ff 421
bogdanm 0:9b334a45a8ff 422 /* Process unlocked */
bogdanm 0:9b334a45a8ff 423 __HAL_UNLOCK(htsc);
bogdanm 0:9b334a45a8ff 424
bogdanm 0:9b334a45a8ff 425 /* Return function status */
bogdanm 0:9b334a45a8ff 426 return HAL_OK;
bogdanm 0:9b334a45a8ff 427 }
bogdanm 0:9b334a45a8ff 428
bogdanm 0:9b334a45a8ff 429 /**
bogdanm 0:9b334a45a8ff 430 * @brief Stops the acquisition previously launched in polling mode
bogdanm 0:9b334a45a8ff 431 * @param htsc: pointer to a TSC_HandleTypeDef structure that contains
bogdanm 0:9b334a45a8ff 432 * the configuration information for the specified TSC.
bogdanm 0:9b334a45a8ff 433 * @retval HAL status
bogdanm 0:9b334a45a8ff 434 */
bogdanm 0:9b334a45a8ff 435 HAL_StatusTypeDef HAL_TSC_Stop(TSC_HandleTypeDef* htsc)
bogdanm 0:9b334a45a8ff 436 {
bogdanm 0:9b334a45a8ff 437 /* Check the parameters */
bogdanm 0:9b334a45a8ff 438 assert_param(IS_TSC_ALL_INSTANCE(htsc->Instance));
bogdanm 0:9b334a45a8ff 439
bogdanm 0:9b334a45a8ff 440 /* Process locked */
bogdanm 0:9b334a45a8ff 441 __HAL_LOCK(htsc);
bogdanm 0:9b334a45a8ff 442
bogdanm 0:9b334a45a8ff 443 /* Stop the acquisition */
bogdanm 0:9b334a45a8ff 444 __HAL_TSC_STOP_ACQ(htsc);
bogdanm 0:9b334a45a8ff 445
mbed_official 113:b3775bf36a83 446 /* Set touch sensing IOs in low power mode (output push-pull) */
mbed_official 113:b3775bf36a83 447 __HAL_TSC_SET_IODEF_OUTPPLOW(htsc);
mbed_official 113:b3775bf36a83 448
bogdanm 0:9b334a45a8ff 449 /* Clear flags */
bogdanm 0:9b334a45a8ff 450 __HAL_TSC_CLEAR_FLAG(htsc, (TSC_FLAG_EOA | TSC_FLAG_MCE));
bogdanm 0:9b334a45a8ff 451
bogdanm 0:9b334a45a8ff 452 /* Change TSC state */
bogdanm 0:9b334a45a8ff 453 htsc->State = HAL_TSC_STATE_READY;
bogdanm 0:9b334a45a8ff 454
bogdanm 0:9b334a45a8ff 455 /* Process unlocked */
bogdanm 0:9b334a45a8ff 456 __HAL_UNLOCK(htsc);
bogdanm 0:9b334a45a8ff 457
bogdanm 0:9b334a45a8ff 458 /* Return function status */
bogdanm 0:9b334a45a8ff 459 return HAL_OK;
bogdanm 0:9b334a45a8ff 460 }
bogdanm 0:9b334a45a8ff 461
bogdanm 0:9b334a45a8ff 462 /**
bogdanm 0:9b334a45a8ff 463 * @brief Stops the acquisition previously launched in interrupt mode
bogdanm 0:9b334a45a8ff 464 * @param htsc: pointer to a TSC_HandleTypeDef structure that contains
bogdanm 0:9b334a45a8ff 465 * the configuration information for the specified TSC.
bogdanm 0:9b334a45a8ff 466 * @retval HAL status
bogdanm 0:9b334a45a8ff 467 */
bogdanm 0:9b334a45a8ff 468 HAL_StatusTypeDef HAL_TSC_Stop_IT(TSC_HandleTypeDef* htsc)
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
bogdanm 0:9b334a45a8ff 473 /* Process locked */
bogdanm 0:9b334a45a8ff 474 __HAL_LOCK(htsc);
bogdanm 0:9b334a45a8ff 475
bogdanm 0:9b334a45a8ff 476 /* Stop the acquisition */
bogdanm 0:9b334a45a8ff 477 __HAL_TSC_STOP_ACQ(htsc);
bogdanm 0:9b334a45a8ff 478
mbed_official 113:b3775bf36a83 479 /* Set touch sensing IOs in low power mode (output push-pull) */
mbed_official 113:b3775bf36a83 480 __HAL_TSC_SET_IODEF_OUTPPLOW(htsc);
mbed_official 113:b3775bf36a83 481
bogdanm 0:9b334a45a8ff 482 /* Disable interrupts */
bogdanm 0:9b334a45a8ff 483 __HAL_TSC_DISABLE_IT(htsc, (TSC_IT_EOA | TSC_IT_MCE));
bogdanm 0:9b334a45a8ff 484
bogdanm 0:9b334a45a8ff 485 /* Clear flags */
bogdanm 0:9b334a45a8ff 486 __HAL_TSC_CLEAR_FLAG(htsc, (TSC_FLAG_EOA | TSC_FLAG_MCE));
bogdanm 0:9b334a45a8ff 487
bogdanm 0:9b334a45a8ff 488 /* Change TSC state */
bogdanm 0:9b334a45a8ff 489 htsc->State = HAL_TSC_STATE_READY;
bogdanm 0:9b334a45a8ff 490
bogdanm 0:9b334a45a8ff 491 /* Process unlocked */
bogdanm 0:9b334a45a8ff 492 __HAL_UNLOCK(htsc);
bogdanm 0:9b334a45a8ff 493
bogdanm 0:9b334a45a8ff 494 /* Return function status */
bogdanm 0:9b334a45a8ff 495 return HAL_OK;
bogdanm 0:9b334a45a8ff 496 }
bogdanm 0:9b334a45a8ff 497
bogdanm 0:9b334a45a8ff 498 /**
bogdanm 0:9b334a45a8ff 499 * @brief Gets the acquisition status for a group
bogdanm 0:9b334a45a8ff 500 * @param htsc: pointer to a TSC_HandleTypeDef structure that contains
bogdanm 0:9b334a45a8ff 501 * the configuration information for the specified TSC.
bogdanm 0:9b334a45a8ff 502 * @param gx_index: Index of the group
bogdanm 0:9b334a45a8ff 503 * @retval Group status
bogdanm 0:9b334a45a8ff 504 */
bogdanm 0:9b334a45a8ff 505 TSC_GroupStatusTypeDef HAL_TSC_GroupGetStatus(TSC_HandleTypeDef* htsc, uint32_t gx_index)
bogdanm 0:9b334a45a8ff 506 {
bogdanm 0:9b334a45a8ff 507 /* Check the parameters */
bogdanm 0:9b334a45a8ff 508 assert_param(IS_TSC_ALL_INSTANCE(htsc->Instance));
mbed_official 113:b3775bf36a83 509 assert_param(IS_TSC_GROUP_INDEX(gx_index));
bogdanm 0:9b334a45a8ff 510
bogdanm 0:9b334a45a8ff 511 /* Return the group status */
bogdanm 0:9b334a45a8ff 512 return(__HAL_TSC_GET_GROUP_STATUS(htsc, gx_index));
bogdanm 0:9b334a45a8ff 513 }
bogdanm 0:9b334a45a8ff 514
bogdanm 0:9b334a45a8ff 515 /**
bogdanm 0:9b334a45a8ff 516 * @brief Gets the acquisition measure for a group
bogdanm 0:9b334a45a8ff 517 * @param htsc: pointer to a TSC_HandleTypeDef structure that contains
bogdanm 0:9b334a45a8ff 518 * the configuration information for the specified TSC.
bogdanm 0:9b334a45a8ff 519 * @param gx_index: Index of the group
bogdanm 0:9b334a45a8ff 520 * @retval Acquisition measure
bogdanm 0:9b334a45a8ff 521 */
bogdanm 0:9b334a45a8ff 522 uint32_t HAL_TSC_GroupGetValue(TSC_HandleTypeDef* htsc, uint32_t gx_index)
bogdanm 0:9b334a45a8ff 523 {
bogdanm 0:9b334a45a8ff 524 /* Check the parameters */
bogdanm 0:9b334a45a8ff 525 assert_param(IS_TSC_ALL_INSTANCE(htsc->Instance));
mbed_official 113:b3775bf36a83 526 assert_param(IS_TSC_GROUP_INDEX(gx_index));
bogdanm 0:9b334a45a8ff 527
bogdanm 0:9b334a45a8ff 528 /* Return the group acquisition counter */
bogdanm 0:9b334a45a8ff 529 return htsc->Instance->IOGXCR[gx_index];
bogdanm 0:9b334a45a8ff 530 }
bogdanm 0:9b334a45a8ff 531
bogdanm 0:9b334a45a8ff 532 /**
bogdanm 0:9b334a45a8ff 533 * @}
bogdanm 0:9b334a45a8ff 534 */
bogdanm 0:9b334a45a8ff 535
mbed_official 113:b3775bf36a83 536 /** @addtogroup HAL_TSC_Exported_Functions_Group3
bogdanm 0:9b334a45a8ff 537 * @brief Peripheral Control functions
bogdanm 0:9b334a45a8ff 538 *
bogdanm 0:9b334a45a8ff 539 @verbatim
bogdanm 0:9b334a45a8ff 540 ===============================================================================
bogdanm 0:9b334a45a8ff 541 ##### Peripheral Control functions #####
bogdanm 0:9b334a45a8ff 542 ===============================================================================
bogdanm 0:9b334a45a8ff 543 [..] This section provides functions allowing to:
bogdanm 0:9b334a45a8ff 544 (+) Configure TSC IOs
bogdanm 0:9b334a45a8ff 545 (+) Discharge TSC IOs
bogdanm 0:9b334a45a8ff 546 @endverbatim
bogdanm 0:9b334a45a8ff 547 * @{
bogdanm 0:9b334a45a8ff 548 */
bogdanm 0:9b334a45a8ff 549
bogdanm 0:9b334a45a8ff 550 /**
bogdanm 0:9b334a45a8ff 551 * @brief Configures 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 config: pointer to the configuration structure.
bogdanm 0:9b334a45a8ff 555 * @retval HAL status
bogdanm 0:9b334a45a8ff 556 */
bogdanm 0:9b334a45a8ff 557 HAL_StatusTypeDef HAL_TSC_IOConfig(TSC_HandleTypeDef* htsc, TSC_IOConfigTypeDef* config)
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 /* Stop acquisition */
bogdanm 0:9b334a45a8ff 566 __HAL_TSC_STOP_ACQ(htsc);
bogdanm 0:9b334a45a8ff 567
bogdanm 0:9b334a45a8ff 568 /* Disable Schmitt trigger hysteresis on all used TSC IOs */
bogdanm 0:9b334a45a8ff 569 htsc->Instance->IOHCR = (uint32_t)(~(config->ChannelIOs | config->ShieldIOs | config->SamplingIOs));
bogdanm 0:9b334a45a8ff 570
bogdanm 0:9b334a45a8ff 571 /* Set channel and shield IOs */
bogdanm 0:9b334a45a8ff 572 htsc->Instance->IOCCR = (config->ChannelIOs | config->ShieldIOs);
bogdanm 0:9b334a45a8ff 573
bogdanm 0:9b334a45a8ff 574 /* Set sampling IOs */
bogdanm 0:9b334a45a8ff 575 htsc->Instance->IOSCR = config->SamplingIOs;
bogdanm 0:9b334a45a8ff 576
bogdanm 0:9b334a45a8ff 577 /* Set groups to be acquired */
bogdanm 0:9b334a45a8ff 578 htsc->Instance->IOGCSR = TSC_extract_groups(config->ChannelIOs);
bogdanm 0:9b334a45a8ff 579
bogdanm 0:9b334a45a8ff 580 /* Process unlocked */
bogdanm 0:9b334a45a8ff 581 __HAL_UNLOCK(htsc);
bogdanm 0:9b334a45a8ff 582
bogdanm 0:9b334a45a8ff 583 /* Return function status */
bogdanm 0:9b334a45a8ff 584 return HAL_OK;
bogdanm 0:9b334a45a8ff 585 }
bogdanm 0:9b334a45a8ff 586
bogdanm 0:9b334a45a8ff 587 /**
bogdanm 0:9b334a45a8ff 588 * @brief Discharge TSC IOs
bogdanm 0:9b334a45a8ff 589 * @param htsc: pointer to a TSC_HandleTypeDef structure that contains
bogdanm 0:9b334a45a8ff 590 * the configuration information for the specified TSC.
bogdanm 0:9b334a45a8ff 591 * @param choice: enable or disable
bogdanm 0:9b334a45a8ff 592 * @retval HAL status
bogdanm 0:9b334a45a8ff 593 */
bogdanm 0:9b334a45a8ff 594 HAL_StatusTypeDef HAL_TSC_IODischarge(TSC_HandleTypeDef* htsc, uint32_t choice)
bogdanm 0:9b334a45a8ff 595 {
bogdanm 0:9b334a45a8ff 596 /* Check the parameters */
bogdanm 0:9b334a45a8ff 597 assert_param(IS_TSC_ALL_INSTANCE(htsc->Instance));
bogdanm 0:9b334a45a8ff 598
bogdanm 0:9b334a45a8ff 599 /* Process locked */
bogdanm 0:9b334a45a8ff 600 __HAL_LOCK(htsc);
bogdanm 0:9b334a45a8ff 601
bogdanm 0:9b334a45a8ff 602 if (choice == ENABLE)
bogdanm 0:9b334a45a8ff 603 {
bogdanm 0:9b334a45a8ff 604 __HAL_TSC_SET_IODEF_OUTPPLOW(htsc);
bogdanm 0:9b334a45a8ff 605 }
bogdanm 0:9b334a45a8ff 606 else
bogdanm 0:9b334a45a8ff 607 {
bogdanm 0:9b334a45a8ff 608 __HAL_TSC_SET_IODEF_INFLOAT(htsc);
bogdanm 0:9b334a45a8ff 609 }
bogdanm 0:9b334a45a8ff 610
bogdanm 0:9b334a45a8ff 611 /* Process unlocked */
bogdanm 0:9b334a45a8ff 612 __HAL_UNLOCK(htsc);
bogdanm 0:9b334a45a8ff 613
bogdanm 0:9b334a45a8ff 614 /* Return the group acquisition counter */
bogdanm 0:9b334a45a8ff 615 return HAL_OK;
bogdanm 0:9b334a45a8ff 616 }
bogdanm 0:9b334a45a8ff 617
bogdanm 0:9b334a45a8ff 618 /**
bogdanm 0:9b334a45a8ff 619 * @}
bogdanm 0:9b334a45a8ff 620 */
bogdanm 0:9b334a45a8ff 621
mbed_official 113:b3775bf36a83 622 /** @addtogroup HAL_TSC_Exported_Functions_Group4
bogdanm 0:9b334a45a8ff 623 * @brief State functions
bogdanm 0:9b334a45a8ff 624 *
bogdanm 0:9b334a45a8ff 625 @verbatim
bogdanm 0:9b334a45a8ff 626 ===============================================================================
bogdanm 0:9b334a45a8ff 627 ##### State functions #####
bogdanm 0:9b334a45a8ff 628 ===============================================================================
bogdanm 0:9b334a45a8ff 629 [..]
bogdanm 0:9b334a45a8ff 630 This subsection provides functions allowing to
bogdanm 0:9b334a45a8ff 631 (+) Get TSC state.
bogdanm 0:9b334a45a8ff 632 (+) Poll for acquisition completed.
bogdanm 0:9b334a45a8ff 633 (+) Handles TSC interrupt request.
bogdanm 0:9b334a45a8ff 634
bogdanm 0:9b334a45a8ff 635 @endverbatim
bogdanm 0:9b334a45a8ff 636 * @{
bogdanm 0:9b334a45a8ff 637 */
bogdanm 0:9b334a45a8ff 638
bogdanm 0:9b334a45a8ff 639 /**
bogdanm 0:9b334a45a8ff 640 * @brief Return the TSC state
bogdanm 0:9b334a45a8ff 641 * @param htsc: pointer to a TSC_HandleTypeDef structure that contains
bogdanm 0:9b334a45a8ff 642 * the configuration information for the specified TSC.
bogdanm 0:9b334a45a8ff 643 * @retval HAL state
bogdanm 0:9b334a45a8ff 644 */
bogdanm 0:9b334a45a8ff 645 HAL_TSC_StateTypeDef HAL_TSC_GetState(TSC_HandleTypeDef* htsc)
bogdanm 0:9b334a45a8ff 646 {
bogdanm 0:9b334a45a8ff 647 /* Check the parameters */
bogdanm 0:9b334a45a8ff 648 assert_param(IS_TSC_ALL_INSTANCE(htsc->Instance));
bogdanm 0:9b334a45a8ff 649
bogdanm 0:9b334a45a8ff 650 if (htsc->State == HAL_TSC_STATE_BUSY)
bogdanm 0:9b334a45a8ff 651 {
bogdanm 0:9b334a45a8ff 652 /* Check end of acquisition flag */
bogdanm 0:9b334a45a8ff 653 if (__HAL_TSC_GET_FLAG(htsc, TSC_FLAG_EOA) != RESET)
bogdanm 0:9b334a45a8ff 654 {
bogdanm 0:9b334a45a8ff 655 /* Check max count error flag */
bogdanm 0:9b334a45a8ff 656 if (__HAL_TSC_GET_FLAG(htsc, TSC_FLAG_MCE) != RESET)
bogdanm 0:9b334a45a8ff 657 {
bogdanm 0:9b334a45a8ff 658 /* Change TSC state */
bogdanm 0:9b334a45a8ff 659 htsc->State = HAL_TSC_STATE_ERROR;
bogdanm 0:9b334a45a8ff 660 }
bogdanm 0:9b334a45a8ff 661 else
bogdanm 0:9b334a45a8ff 662 {
bogdanm 0:9b334a45a8ff 663 /* Change TSC state */
bogdanm 0:9b334a45a8ff 664 htsc->State = HAL_TSC_STATE_READY;
bogdanm 0:9b334a45a8ff 665 }
bogdanm 0:9b334a45a8ff 666 }
bogdanm 0:9b334a45a8ff 667 }
bogdanm 0:9b334a45a8ff 668
bogdanm 0:9b334a45a8ff 669 /* Return TSC state */
bogdanm 0:9b334a45a8ff 670 return htsc->State;
bogdanm 0:9b334a45a8ff 671 }
bogdanm 0:9b334a45a8ff 672
bogdanm 0:9b334a45a8ff 673 /**
bogdanm 0:9b334a45a8ff 674 * @brief Start acquisition and wait until completion
bogdanm 0:9b334a45a8ff 675 * @note There is no need of a timeout parameter as the max count error is already
bogdanm 0:9b334a45a8ff 676 * managed by the TSC peripheral.
bogdanm 0:9b334a45a8ff 677 * @param htsc: pointer to a TSC_HandleTypeDef structure that contains
bogdanm 0:9b334a45a8ff 678 * the configuration information for the specified TSC.
bogdanm 0:9b334a45a8ff 679 * @retval HAL state
bogdanm 0:9b334a45a8ff 680 */
bogdanm 0:9b334a45a8ff 681 HAL_StatusTypeDef HAL_TSC_PollForAcquisition(TSC_HandleTypeDef* htsc)
bogdanm 0:9b334a45a8ff 682 {
bogdanm 0:9b334a45a8ff 683 /* Check the parameters */
bogdanm 0:9b334a45a8ff 684 assert_param(IS_TSC_ALL_INSTANCE(htsc->Instance));
bogdanm 0:9b334a45a8ff 685
bogdanm 0:9b334a45a8ff 686 /* Process locked */
bogdanm 0:9b334a45a8ff 687 __HAL_LOCK(htsc);
bogdanm 0:9b334a45a8ff 688
bogdanm 0:9b334a45a8ff 689 /* Check end of acquisition */
bogdanm 0:9b334a45a8ff 690 while (HAL_TSC_GetState(htsc) == HAL_TSC_STATE_BUSY)
bogdanm 0:9b334a45a8ff 691 {
bogdanm 0:9b334a45a8ff 692 /* The timeout (max count error) is managed by the TSC peripheral itself. */
bogdanm 0:9b334a45a8ff 693 }
bogdanm 0:9b334a45a8ff 694
bogdanm 0:9b334a45a8ff 695 /* Process unlocked */
bogdanm 0:9b334a45a8ff 696 __HAL_UNLOCK(htsc);
bogdanm 0:9b334a45a8ff 697
bogdanm 0:9b334a45a8ff 698 return HAL_OK;
bogdanm 0:9b334a45a8ff 699 }
bogdanm 0:9b334a45a8ff 700
bogdanm 0:9b334a45a8ff 701 /**
bogdanm 0:9b334a45a8ff 702 * @brief Handles TSC interrupt request
bogdanm 0:9b334a45a8ff 703 * @param htsc: pointer to a TSC_HandleTypeDef structure that contains
bogdanm 0:9b334a45a8ff 704 * the configuration information for the specified TSC.
bogdanm 0:9b334a45a8ff 705 * @retval None
bogdanm 0:9b334a45a8ff 706 */
bogdanm 0:9b334a45a8ff 707 void HAL_TSC_IRQHandler(TSC_HandleTypeDef* htsc)
bogdanm 0:9b334a45a8ff 708 {
bogdanm 0:9b334a45a8ff 709 /* Check the parameters */
bogdanm 0:9b334a45a8ff 710 assert_param(IS_TSC_ALL_INSTANCE(htsc->Instance));
bogdanm 0:9b334a45a8ff 711
bogdanm 0:9b334a45a8ff 712 /* Check if the end of acquisition occured */
bogdanm 0:9b334a45a8ff 713 if (__HAL_TSC_GET_FLAG(htsc, TSC_FLAG_EOA) != RESET)
bogdanm 0:9b334a45a8ff 714 {
bogdanm 0:9b334a45a8ff 715 /* Clear EOA flag */
bogdanm 0:9b334a45a8ff 716 __HAL_TSC_CLEAR_FLAG(htsc, TSC_FLAG_EOA);
bogdanm 0:9b334a45a8ff 717 }
bogdanm 0:9b334a45a8ff 718
bogdanm 0:9b334a45a8ff 719 /* Check if max count error occured */
bogdanm 0:9b334a45a8ff 720 if (__HAL_TSC_GET_FLAG(htsc, TSC_FLAG_MCE) != RESET)
bogdanm 0:9b334a45a8ff 721 {
bogdanm 0:9b334a45a8ff 722 /* Clear MCE flag */
bogdanm 0:9b334a45a8ff 723 __HAL_TSC_CLEAR_FLAG(htsc, TSC_FLAG_MCE);
bogdanm 0:9b334a45a8ff 724 /* Change TSC state */
bogdanm 0:9b334a45a8ff 725 htsc->State = HAL_TSC_STATE_ERROR;
bogdanm 0:9b334a45a8ff 726 /* Conversion completed callback */
bogdanm 0:9b334a45a8ff 727 HAL_TSC_ErrorCallback(htsc);
bogdanm 0:9b334a45a8ff 728 }
bogdanm 0:9b334a45a8ff 729 else
bogdanm 0:9b334a45a8ff 730 {
bogdanm 0:9b334a45a8ff 731 /* Change TSC state */
bogdanm 0:9b334a45a8ff 732 htsc->State = HAL_TSC_STATE_READY;
bogdanm 0:9b334a45a8ff 733 /* Conversion completed callback */
bogdanm 0:9b334a45a8ff 734 HAL_TSC_ConvCpltCallback(htsc);
bogdanm 0:9b334a45a8ff 735 }
bogdanm 0:9b334a45a8ff 736 }
bogdanm 0:9b334a45a8ff 737
bogdanm 0:9b334a45a8ff 738 /**
bogdanm 0:9b334a45a8ff 739 * @brief Acquisition completed callback in non blocking mode
bogdanm 0:9b334a45a8ff 740 * @param htsc: pointer to a TSC_HandleTypeDef structure that contains
bogdanm 0:9b334a45a8ff 741 * the configuration information for the specified TSC.
bogdanm 0:9b334a45a8ff 742 * @retval None
bogdanm 0:9b334a45a8ff 743 */
bogdanm 0:9b334a45a8ff 744 __weak void HAL_TSC_ConvCpltCallback(TSC_HandleTypeDef* htsc)
bogdanm 0:9b334a45a8ff 745 {
mbed_official 113:b3775bf36a83 746 /* Prevent unused argument(s) compilation warning */
mbed_official 113:b3775bf36a83 747 UNUSED(htsc);
mbed_official 113:b3775bf36a83 748
bogdanm 0:9b334a45a8ff 749 /* NOTE : This function should not be modified, when the callback is needed,
bogdanm 0:9b334a45a8ff 750 the HAL_TSC_ConvCpltCallback could be implemented in the user file.
bogdanm 0:9b334a45a8ff 751 */
bogdanm 0:9b334a45a8ff 752 }
bogdanm 0:9b334a45a8ff 753
bogdanm 0:9b334a45a8ff 754 /**
bogdanm 0:9b334a45a8ff 755 * @brief Error callback in non blocking mode
bogdanm 0:9b334a45a8ff 756 * @param htsc: pointer to a TSC_HandleTypeDef structure that contains
bogdanm 0:9b334a45a8ff 757 * the configuration information for the specified TSC.
bogdanm 0:9b334a45a8ff 758 * @retval None
bogdanm 0:9b334a45a8ff 759 */
bogdanm 0:9b334a45a8ff 760 __weak void HAL_TSC_ErrorCallback(TSC_HandleTypeDef* htsc)
bogdanm 0:9b334a45a8ff 761 {
mbed_official 113:b3775bf36a83 762 /* Prevent unused argument(s) compilation warning */
mbed_official 113:b3775bf36a83 763 UNUSED(htsc);
mbed_official 113:b3775bf36a83 764
bogdanm 0:9b334a45a8ff 765 /* NOTE : This function should not be modified, when the callback is needed,
bogdanm 0:9b334a45a8ff 766 the HAL_TSC_ErrorCallback could be implemented in the user file.
bogdanm 0:9b334a45a8ff 767 */
bogdanm 0:9b334a45a8ff 768 }
bogdanm 0:9b334a45a8ff 769
bogdanm 0:9b334a45a8ff 770 /**
mbed_official 113:b3775bf36a83 771 * @}
mbed_official 113:b3775bf36a83 772 */
mbed_official 113:b3775bf36a83 773
mbed_official 113:b3775bf36a83 774 /**
mbed_official 113:b3775bf36a83 775 * @}
mbed_official 113:b3775bf36a83 776 */
mbed_official 113:b3775bf36a83 777
mbed_official 113:b3775bf36a83 778 /** @addtogroup TSC_Private
mbed_official 113:b3775bf36a83 779 * @{
mbed_official 113:b3775bf36a83 780 */
mbed_official 113:b3775bf36a83 781
mbed_official 113:b3775bf36a83 782 /**
bogdanm 0:9b334a45a8ff 783 * @brief Utility function used to set the acquired groups mask
bogdanm 0:9b334a45a8ff 784 * @param iomask: Channels IOs mask
bogdanm 0:9b334a45a8ff 785 * @retval Acquired groups mask
bogdanm 0:9b334a45a8ff 786 */
bogdanm 0:9b334a45a8ff 787 static uint32_t TSC_extract_groups(uint32_t iomask)
bogdanm 0:9b334a45a8ff 788 {
bogdanm 0:9b334a45a8ff 789 uint32_t groups = 0;
bogdanm 0:9b334a45a8ff 790 uint32_t idx;
bogdanm 0:9b334a45a8ff 791
bogdanm 0:9b334a45a8ff 792 for (idx = 0; idx < TSC_NB_OF_GROUPS; idx++)
bogdanm 0:9b334a45a8ff 793 {
bogdanm 0:9b334a45a8ff 794 if ((iomask & ((uint32_t)0x0F << (idx * 4))) != RESET)
bogdanm 0:9b334a45a8ff 795 {
bogdanm 0:9b334a45a8ff 796 groups |= ((uint32_t)1 << idx);
bogdanm 0:9b334a45a8ff 797 }
bogdanm 0:9b334a45a8ff 798 }
bogdanm 0:9b334a45a8ff 799
bogdanm 0:9b334a45a8ff 800 return groups;
bogdanm 0:9b334a45a8ff 801 }
bogdanm 0:9b334a45a8ff 802
bogdanm 0:9b334a45a8ff 803 /**
bogdanm 0:9b334a45a8ff 804 * @}
bogdanm 0:9b334a45a8ff 805 */
bogdanm 0:9b334a45a8ff 806
bogdanm 0:9b334a45a8ff 807
bogdanm 0:9b334a45a8ff 808 /**
bogdanm 0:9b334a45a8ff 809 * @}
bogdanm 0:9b334a45a8ff 810 */
bogdanm 0:9b334a45a8ff 811
bogdanm 0:9b334a45a8ff 812 /**
bogdanm 0:9b334a45a8ff 813 * @}
bogdanm 0:9b334a45a8ff 814 */
bogdanm 0:9b334a45a8ff 815 #endif /* HAL_TSC_MODULE_ENABLED */
mbed_official 113:b3775bf36a83 816 #endif /* #if !defined(STM32L011xx) && !defined(STM32L021xx) && !defined (STM32L031xx) && !defined (STM32L041xx) && !defined (STM32L051xx) && !defined (STM32L061xx) && !defined (STM32L071xx) && !defined (STM32L081xx) */
bogdanm 0:9b334a45a8ff 817
bogdanm 0:9b334a45a8ff 818 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
bogdanm 0:9b334a45a8ff 819