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fix LPC812 PWM

Dependents:   IR_LED_Send

Fork of mbed-dev by mbed official

targets/cmsis/TARGET_STM/TARGET_STM32L4/stm32l4xx_hal_tsc.c@0:9b334a45a8ff, 2015-10-01 (annotated)

Committer:
bogdanm
Date:
Thu Oct 01 15:25:22 2015 +0300
Revision:
0:9b334a45a8ff
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 stm32l4xx_hal_tsc.c
bogdanm 0:9b334a45a8ff 4 * @author MCD Application Team
bogdanm 0:9b334a45a8ff 5 * @version V1.0.0
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 De-initialization
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 (see Table 1).
bogdanm 0:9b334a45a8ff 57
bogdanm 0:9b334a45a8ff 58 (#) Interrupts configuration
bogdanm 0:9b334a45a8ff 59 (++) Configure the NVIC (if the interrupt model is used) using HAL_NVIC_SetPriority()
bogdanm 0:9b334a45a8ff 60 and HAL_NVIC_EnableIRQ() and 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 [..] Table 1. IOs for the STM32L4xx devices
bogdanm 0:9b334a45a8ff 66 (+) +--------------------------------+
bogdanm 0:9b334a45a8ff 67 (+) | IOs | TSC functions |
bogdanm 0:9b334a45a8ff 68 (+) |--------------|-----------------|
bogdanm 0:9b334a45a8ff 69 (+) | PB12 (AF) | TSC_G1_IO1 |
bogdanm 0:9b334a45a8ff 70 (+) | PB13 (AF) | TSC_G1_IO2 |
bogdanm 0:9b334a45a8ff 71 (+) | PB14 (AF) | TSC_G1_IO3 |
bogdanm 0:9b334a45a8ff 72 (+) | PB15 (AF) | TSC_G1_IO4 |
bogdanm 0:9b334a45a8ff 73 (+) |--------------|-----------------|
bogdanm 0:9b334a45a8ff 74 (+) | PB4 (AF) | TSC_G2_IO1 |
bogdanm 0:9b334a45a8ff 75 (+) | PB5 (AF) | TSC_G2_IO2 |
bogdanm 0:9b334a45a8ff 76 (+) | PB6 (AF) | TSC_G2_IO3 |
bogdanm 0:9b334a45a8ff 77 (+) | PB7 (AF) | TSC_G2_IO4 |
bogdanm 0:9b334a45a8ff 78 (+) |--------------|-----------------|
bogdanm 0:9b334a45a8ff 79 (+) | PA15 (AF) | TSC_G3_IO1 |
bogdanm 0:9b334a45a8ff 80 (+) | PC10 (AF) | TSC_G3_IO2 |
bogdanm 0:9b334a45a8ff 81 (+) | PC11 (AF) | TSC_G3_IO3 |
bogdanm 0:9b334a45a8ff 82 (+) | PC12 (AF) | TSC_G3_IO4 |
bogdanm 0:9b334a45a8ff 83 (+) |--------------|-----------------|
bogdanm 0:9b334a45a8ff 84 (+) | PC6 (AF) | TSC_G4_IO1 |
bogdanm 0:9b334a45a8ff 85 (+) | PC7 (AF) | TSC_G4_IO2 |
bogdanm 0:9b334a45a8ff 86 (+) | PC8 (AF) | TSC_G4_IO3 |
bogdanm 0:9b334a45a8ff 87 (+) | PC9 (AF) | TSC_G4_IO4 |
bogdanm 0:9b334a45a8ff 88 (+) |--------------|-----------------|
bogdanm 0:9b334a45a8ff 89 (+) | PE10 (AF) | TSC_G5_IO1 |
bogdanm 0:9b334a45a8ff 90 (+) | PE11 (AF) | TSC_G5_IO2 |
bogdanm 0:9b334a45a8ff 91 (+) | PE12 (AF) | TSC_G5_IO3 |
bogdanm 0:9b334a45a8ff 92 (+) | PE13 (AF) | TSC_G5_IO4 |
bogdanm 0:9b334a45a8ff 93 (+) |--------------|-----------------|
bogdanm 0:9b334a45a8ff 94 (+) | PD10 (AF) | TSC_G6_IO1 |
bogdanm 0:9b334a45a8ff 95 (+) | PD11 (AF) | TSC_G6_IO2 |
bogdanm 0:9b334a45a8ff 96 (+) | PD12 (AF) | TSC_G6_IO3 |
bogdanm 0:9b334a45a8ff 97 (+) | PD13 (AF) | TSC_G6_IO4 |
bogdanm 0:9b334a45a8ff 98 (+) |--------------|-----------------|
bogdanm 0:9b334a45a8ff 99 (+) | PE2 (AF) | TSC_G7_IO1 |
bogdanm 0:9b334a45a8ff 100 (+) | PE3 (AF) | TSC_G7_IO2 |
bogdanm 0:9b334a45a8ff 101 (+) | PE4 (AF) | TSC_G7_IO3 |
bogdanm 0:9b334a45a8ff 102 (+) | PE5 (AF) | TSC_G7_IO4 |
bogdanm 0:9b334a45a8ff 103 (+) |--------------|-----------------|
bogdanm 0:9b334a45a8ff 104 (+) | PF14 (AF) | TSC_G8_IO1 |
bogdanm 0:9b334a45a8ff 105 (+) | PF15 (AF) | TSC_G8_IO2 |
bogdanm 0:9b334a45a8ff 106 (+) | PG0 (AF) | TSC_G8_IO3 |
bogdanm 0:9b334a45a8ff 107 (+) | PG1 (AF) | TSC_G8_IO4 |
bogdanm 0:9b334a45a8ff 108 (+) |--------------|-----------------|
bogdanm 0:9b334a45a8ff 109 (+) | PB10 (AF) | TSC_SYNC |
bogdanm 0:9b334a45a8ff 110 (+) | PD2 (AF) | |
bogdanm 0:9b334a45a8ff 111 (+) +--------------------------------+
bogdanm 0:9b334a45a8ff 112 [..] TSC peripheral alternate functions are mapped on AF9.
bogdanm 0:9b334a45a8ff 113
bogdanm 0:9b334a45a8ff 114 *** Acquisition sequence ***
bogdanm 0:9b334a45a8ff 115 ===================================
bogdanm 0:9b334a45a8ff 116 [..]
bogdanm 0:9b334a45a8ff 117 (+) Discharge all IOs using HAL_TSC_IODischarge() function.
bogdanm 0:9b334a45a8ff 118 (+) Wait a certain time allowing a good discharge of all capacitors. This delay depends
bogdanm 0:9b334a45a8ff 119 of the sampling capacitor and electrodes design.
bogdanm 0:9b334a45a8ff 120 (+) Select the channel IOs to be acquired using HAL_TSC_IOConfig() function.
bogdanm 0:9b334a45a8ff 121 (+) Launch the acquisition using either HAL_TSC_Start() or HAL_TSC_Start_IT() function.
bogdanm 0:9b334a45a8ff 122 If the synchronized mode is selected, the acquisition will start as soon as the signal
bogdanm 0:9b334a45a8ff 123 is received on the synchro pin.
bogdanm 0:9b334a45a8ff 124 (+) Wait the end of acquisition using either HAL_TSC_PollForAcquisition() or
bogdanm 0:9b334a45a8ff 125 HAL_TSC_GetState() function or using WFI instruction for example.
bogdanm 0:9b334a45a8ff 126 (+) Check the group acquisition status using HAL_TSC_GroupGetStatus() function.
bogdanm 0:9b334a45a8ff 127 (+) Read the acquisition value using HAL_TSC_GroupGetValue() function.
bogdanm 0:9b334a45a8ff 128
bogdanm 0:9b334a45a8ff 129 @endverbatim
bogdanm 0:9b334a45a8ff 130 ******************************************************************************
bogdanm 0:9b334a45a8ff 131 * @attention
bogdanm 0:9b334a45a8ff 132 *
bogdanm 0:9b334a45a8ff 133 * <h2><center>&copy; COPYRIGHT(c) 2015 STMicroelectronics</center></h2>
bogdanm 0:9b334a45a8ff 134 *
bogdanm 0:9b334a45a8ff 135 * Redistribution and use in source and binary forms, with or without modification,
bogdanm 0:9b334a45a8ff 136 * are permitted provided that the following conditions are met:
bogdanm 0:9b334a45a8ff 137 * 1. Redistributions of source code must retain the above copyright notice,
bogdanm 0:9b334a45a8ff 138 * this list of conditions and the following disclaimer.
bogdanm 0:9b334a45a8ff 139 * 2. Redistributions in binary form must reproduce the above copyright notice,
bogdanm 0:9b334a45a8ff 140 * this list of conditions and the following disclaimer in the documentation
bogdanm 0:9b334a45a8ff 141 * and/or other materials provided with the distribution.
bogdanm 0:9b334a45a8ff 142 * 3. Neither the name of STMicroelectronics nor the names of its contributors
bogdanm 0:9b334a45a8ff 143 * may be used to endorse or promote products derived from this software
bogdanm 0:9b334a45a8ff 144 * without specific prior written permission.
bogdanm 0:9b334a45a8ff 145 *
bogdanm 0:9b334a45a8ff 146 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
bogdanm 0:9b334a45a8ff 147 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
bogdanm 0:9b334a45a8ff 148 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
bogdanm 0:9b334a45a8ff 149 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
bogdanm 0:9b334a45a8ff 150 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
bogdanm 0:9b334a45a8ff 151 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
bogdanm 0:9b334a45a8ff 152 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
bogdanm 0:9b334a45a8ff 153 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
bogdanm 0:9b334a45a8ff 154 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
bogdanm 0:9b334a45a8ff 155 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
bogdanm 0:9b334a45a8ff 156 *
bogdanm 0:9b334a45a8ff 157 ******************************************************************************
bogdanm 0:9b334a45a8ff 158 */
bogdanm 0:9b334a45a8ff 159
bogdanm 0:9b334a45a8ff 160 /* Includes ------------------------------------------------------------------*/
bogdanm 0:9b334a45a8ff 161 #include "stm32l4xx_hal.h"
bogdanm 0:9b334a45a8ff 162
bogdanm 0:9b334a45a8ff 163 /** @addtogroup STM32L4xx_HAL_Driver
bogdanm 0:9b334a45a8ff 164 * @{
bogdanm 0:9b334a45a8ff 165 */
bogdanm 0:9b334a45a8ff 166
bogdanm 0:9b334a45a8ff 167 /** @defgroup TSC TSC
bogdanm 0:9b334a45a8ff 168 * @brief HAL TSC module driver
bogdanm 0:9b334a45a8ff 169 * @{
bogdanm 0:9b334a45a8ff 170 */
bogdanm 0:9b334a45a8ff 171
bogdanm 0:9b334a45a8ff 172 #ifdef HAL_TSC_MODULE_ENABLED
bogdanm 0:9b334a45a8ff 173
bogdanm 0:9b334a45a8ff 174 /* Private typedef -----------------------------------------------------------*/
bogdanm 0:9b334a45a8ff 175 /* Private define ------------------------------------------------------------*/
bogdanm 0:9b334a45a8ff 176 /* Private macro -------------------------------------------------------------*/
bogdanm 0:9b334a45a8ff 177 /* Private variables ---------------------------------------------------------*/
bogdanm 0:9b334a45a8ff 178 /* Private function prototypes -----------------------------------------------*/
bogdanm 0:9b334a45a8ff 179 static uint32_t TSC_extract_groups(uint32_t iomask);
bogdanm 0:9b334a45a8ff 180
bogdanm 0:9b334a45a8ff 181 /* Exported functions --------------------------------------------------------*/
bogdanm 0:9b334a45a8ff 182
bogdanm 0:9b334a45a8ff 183 /** @defgroup TSC_Exported_Functions Exported Functions
bogdanm 0:9b334a45a8ff 184 * @{
bogdanm 0:9b334a45a8ff 185 */
bogdanm 0:9b334a45a8ff 186
bogdanm 0:9b334a45a8ff 187 /** @defgroup TSC_Exported_Functions_Group1 Initialization and de-initialization functions
bogdanm 0:9b334a45a8ff 188 * @brief Initialization and Configuration functions
bogdanm 0:9b334a45a8ff 189 *
bogdanm 0:9b334a45a8ff 190 @verbatim
bogdanm 0:9b334a45a8ff 191 ===============================================================================
bogdanm 0:9b334a45a8ff 192 ##### Initialization and de-initialization functions #####
bogdanm 0:9b334a45a8ff 193 ===============================================================================
bogdanm 0:9b334a45a8ff 194 [..] This section provides functions allowing to:
bogdanm 0:9b334a45a8ff 195 (+) Initialize and configure the TSC.
bogdanm 0:9b334a45a8ff 196 (+) De-initialize the TSC.
bogdanm 0:9b334a45a8ff 197 @endverbatim
bogdanm 0:9b334a45a8ff 198 * @{
bogdanm 0:9b334a45a8ff 199 */
bogdanm 0:9b334a45a8ff 200
bogdanm 0:9b334a45a8ff 201 /**
bogdanm 0:9b334a45a8ff 202 * @brief Initialize the TSC peripheral according to the specified parameters
bogdanm 0:9b334a45a8ff 203 * in the TSC_InitTypeDef structure and initialize the associated handle.
bogdanm 0:9b334a45a8ff 204 * @param htsc: TSC handle
bogdanm 0:9b334a45a8ff 205 * @retval HAL status
bogdanm 0:9b334a45a8ff 206 */
bogdanm 0:9b334a45a8ff 207 HAL_StatusTypeDef HAL_TSC_Init(TSC_HandleTypeDef* htsc)
bogdanm 0:9b334a45a8ff 208 {
bogdanm 0:9b334a45a8ff 209 /* Check TSC handle allocation */
bogdanm 0:9b334a45a8ff 210 if (htsc == NULL)
bogdanm 0:9b334a45a8ff 211 {
bogdanm 0:9b334a45a8ff 212 return HAL_ERROR;
bogdanm 0:9b334a45a8ff 213 }
bogdanm 0:9b334a45a8ff 214
bogdanm 0:9b334a45a8ff 215 /* Check the parameters */
bogdanm 0:9b334a45a8ff 216 assert_param(IS_TSC_ALL_INSTANCE(htsc->Instance));
bogdanm 0:9b334a45a8ff 217 assert_param(IS_TSC_CTPH(htsc->Init.CTPulseHighLength));
bogdanm 0:9b334a45a8ff 218 assert_param(IS_TSC_CTPL(htsc->Init.CTPulseLowLength));
bogdanm 0:9b334a45a8ff 219 assert_param(IS_TSC_SS(htsc->Init.SpreadSpectrum));
bogdanm 0:9b334a45a8ff 220 assert_param(IS_TSC_SSD(htsc->Init.SpreadSpectrumDeviation));
bogdanm 0:9b334a45a8ff 221 assert_param(IS_TSC_SS_PRESC(htsc->Init.SpreadSpectrumPrescaler));
bogdanm 0:9b334a45a8ff 222 assert_param(IS_TSC_PG_PRESC(htsc->Init.PulseGeneratorPrescaler));
bogdanm 0:9b334a45a8ff 223 assert_param(IS_TSC_MCV(htsc->Init.MaxCountValue));
bogdanm 0:9b334a45a8ff 224 assert_param(IS_TSC_IODEF(htsc->Init.IODefaultMode));
bogdanm 0:9b334a45a8ff 225 assert_param(IS_TSC_SYNC_POL(htsc->Init.SynchroPinPolarity));
bogdanm 0:9b334a45a8ff 226 assert_param(IS_TSC_ACQ_MODE(htsc->Init.AcquisitionMode));
bogdanm 0:9b334a45a8ff 227 assert_param(IS_TSC_MCE_IT(htsc->Init.MaxCountInterrupt));
bogdanm 0:9b334a45a8ff 228
bogdanm 0:9b334a45a8ff 229 if(htsc->State == HAL_TSC_STATE_RESET)
bogdanm 0:9b334a45a8ff 230 {
bogdanm 0:9b334a45a8ff 231 /* Allocate lock resource and initialize it */
bogdanm 0:9b334a45a8ff 232 htsc->Lock = HAL_UNLOCKED;
bogdanm 0:9b334a45a8ff 233 }
bogdanm 0:9b334a45a8ff 234
bogdanm 0:9b334a45a8ff 235 /* Initialize the TSC state */
bogdanm 0:9b334a45a8ff 236 htsc->State = HAL_TSC_STATE_BUSY;
bogdanm 0:9b334a45a8ff 237
bogdanm 0:9b334a45a8ff 238 /* Init the low level hardware : GPIO, CLOCK, CORTEX */
bogdanm 0:9b334a45a8ff 239 HAL_TSC_MspInit(htsc);
bogdanm 0:9b334a45a8ff 240
bogdanm 0:9b334a45a8ff 241 /*--------------------------------------------------------------------------*/
bogdanm 0:9b334a45a8ff 242 /* Set TSC parameters */
bogdanm 0:9b334a45a8ff 243
bogdanm 0:9b334a45a8ff 244 /* Enable TSC */
bogdanm 0:9b334a45a8ff 245 htsc->Instance->CR = TSC_CR_TSCE;
bogdanm 0:9b334a45a8ff 246
bogdanm 0:9b334a45a8ff 247 /* Set all functions */
bogdanm 0:9b334a45a8ff 248 htsc->Instance->CR |= (htsc->Init.CTPulseHighLength |
bogdanm 0:9b334a45a8ff 249 htsc->Init.CTPulseLowLength |
bogdanm 0:9b334a45a8ff 250 (uint32_t)(htsc->Init.SpreadSpectrumDeviation << 17) |
bogdanm 0:9b334a45a8ff 251 htsc->Init.SpreadSpectrumPrescaler |
bogdanm 0:9b334a45a8ff 252 htsc->Init.PulseGeneratorPrescaler |
bogdanm 0:9b334a45a8ff 253 htsc->Init.MaxCountValue |
bogdanm 0:9b334a45a8ff 254 htsc->Init.IODefaultMode |
bogdanm 0:9b334a45a8ff 255 htsc->Init.SynchroPinPolarity |
bogdanm 0:9b334a45a8ff 256 htsc->Init.AcquisitionMode);
bogdanm 0:9b334a45a8ff 257
bogdanm 0:9b334a45a8ff 258 /* Spread spectrum */
bogdanm 0:9b334a45a8ff 259 if (htsc->Init.SpreadSpectrum == ENABLE)
bogdanm 0:9b334a45a8ff 260 {
bogdanm 0:9b334a45a8ff 261 htsc->Instance->CR |= TSC_CR_SSE;
bogdanm 0:9b334a45a8ff 262 }
bogdanm 0:9b334a45a8ff 263
bogdanm 0:9b334a45a8ff 264 /* Disable Schmitt trigger hysteresis on all used TSC IOs */
bogdanm 0:9b334a45a8ff 265 htsc->Instance->IOHCR = (uint32_t)(~(htsc->Init.ChannelIOs | htsc->Init.ShieldIOs | htsc->Init.SamplingIOs));
bogdanm 0:9b334a45a8ff 266
bogdanm 0:9b334a45a8ff 267 /* Set channel and shield IOs */
bogdanm 0:9b334a45a8ff 268 htsc->Instance->IOCCR = (htsc->Init.ChannelIOs | htsc->Init.ShieldIOs);
bogdanm 0:9b334a45a8ff 269
bogdanm 0:9b334a45a8ff 270 /* Set sampling IOs */
bogdanm 0:9b334a45a8ff 271 htsc->Instance->IOSCR = htsc->Init.SamplingIOs;
bogdanm 0:9b334a45a8ff 272
bogdanm 0:9b334a45a8ff 273 /* Set the groups to be acquired */
bogdanm 0:9b334a45a8ff 274 htsc->Instance->IOGCSR = TSC_extract_groups(htsc->Init.ChannelIOs);
bogdanm 0:9b334a45a8ff 275
bogdanm 0:9b334a45a8ff 276 /* Disable interrupts */
bogdanm 0:9b334a45a8ff 277 htsc->Instance->IER &= (uint32_t)(~(TSC_IT_EOA | TSC_IT_MCE));
bogdanm 0:9b334a45a8ff 278
bogdanm 0:9b334a45a8ff 279 /* Clear flags */
bogdanm 0:9b334a45a8ff 280 htsc->Instance->ICR = (TSC_FLAG_EOA | TSC_FLAG_MCE);
bogdanm 0:9b334a45a8ff 281
bogdanm 0:9b334a45a8ff 282 /*--------------------------------------------------------------------------*/
bogdanm 0:9b334a45a8ff 283
bogdanm 0:9b334a45a8ff 284 /* Initialize the TSC state */
bogdanm 0:9b334a45a8ff 285 htsc->State = HAL_TSC_STATE_READY;
bogdanm 0:9b334a45a8ff 286
bogdanm 0:9b334a45a8ff 287 /* Return function status */
bogdanm 0:9b334a45a8ff 288 return HAL_OK;
bogdanm 0:9b334a45a8ff 289 }
bogdanm 0:9b334a45a8ff 290
bogdanm 0:9b334a45a8ff 291 /**
bogdanm 0:9b334a45a8ff 292 * @brief Deinitialize the TSC peripheral registers to their default reset values.
bogdanm 0:9b334a45a8ff 293 * @param htsc: TSC handle
bogdanm 0:9b334a45a8ff 294 * @retval HAL status
bogdanm 0:9b334a45a8ff 295 */
bogdanm 0:9b334a45a8ff 296 HAL_StatusTypeDef HAL_TSC_DeInit(TSC_HandleTypeDef* htsc)
bogdanm 0:9b334a45a8ff 297 {
bogdanm 0:9b334a45a8ff 298 /* Check TSC handle allocation */
bogdanm 0:9b334a45a8ff 299 if (htsc == NULL)
bogdanm 0:9b334a45a8ff 300 {
bogdanm 0:9b334a45a8ff 301 return HAL_ERROR;
bogdanm 0:9b334a45a8ff 302 }
bogdanm 0:9b334a45a8ff 303
bogdanm 0:9b334a45a8ff 304 /* Check the parameters */
bogdanm 0:9b334a45a8ff 305 assert_param(IS_TSC_ALL_INSTANCE(htsc->Instance));
bogdanm 0:9b334a45a8ff 306
bogdanm 0:9b334a45a8ff 307 /* Change TSC state */
bogdanm 0:9b334a45a8ff 308 htsc->State = HAL_TSC_STATE_BUSY;
bogdanm 0:9b334a45a8ff 309
bogdanm 0:9b334a45a8ff 310 /* DeInit the low level hardware */
bogdanm 0:9b334a45a8ff 311 HAL_TSC_MspDeInit(htsc);
bogdanm 0:9b334a45a8ff 312
bogdanm 0:9b334a45a8ff 313 /* Change TSC state */
bogdanm 0:9b334a45a8ff 314 htsc->State = HAL_TSC_STATE_RESET;
bogdanm 0:9b334a45a8ff 315
bogdanm 0:9b334a45a8ff 316 /* Process unlocked */
bogdanm 0:9b334a45a8ff 317 __HAL_UNLOCK(htsc);
bogdanm 0:9b334a45a8ff 318
bogdanm 0:9b334a45a8ff 319 /* Return function status */
bogdanm 0:9b334a45a8ff 320 return HAL_OK;
bogdanm 0:9b334a45a8ff 321 }
bogdanm 0:9b334a45a8ff 322
bogdanm 0:9b334a45a8ff 323 /**
bogdanm 0:9b334a45a8ff 324 * @brief Initialize the TSC MSP.
bogdanm 0:9b334a45a8ff 325 * @param htsc: pointer to a TSC_HandleTypeDef structure that contains
bogdanm 0:9b334a45a8ff 326 * the configuration information for the specified TSC.
bogdanm 0:9b334a45a8ff 327 * @retval None
bogdanm 0:9b334a45a8ff 328 */
bogdanm 0:9b334a45a8ff 329 __weak void HAL_TSC_MspInit(TSC_HandleTypeDef* htsc)
bogdanm 0:9b334a45a8ff 330 {
bogdanm 0:9b334a45a8ff 331 /* NOTE : This function should not be modified, when the callback is needed,
bogdanm 0:9b334a45a8ff 332 the HAL_TSC_MspInit could be implemented in the user file.
bogdanm 0:9b334a45a8ff 333 */
bogdanm 0:9b334a45a8ff 334 }
bogdanm 0:9b334a45a8ff 335
bogdanm 0:9b334a45a8ff 336 /**
bogdanm 0:9b334a45a8ff 337 * @brief DeInitialize the TSC MSP.
bogdanm 0:9b334a45a8ff 338 * @param htsc: pointer to a TSC_HandleTypeDef structure that contains
bogdanm 0:9b334a45a8ff 339 * the configuration information for the specified TSC.
bogdanm 0:9b334a45a8ff 340 * @retval None
bogdanm 0:9b334a45a8ff 341 */
bogdanm 0:9b334a45a8ff 342 __weak void HAL_TSC_MspDeInit(TSC_HandleTypeDef* htsc)
bogdanm 0:9b334a45a8ff 343 {
bogdanm 0:9b334a45a8ff 344 /* NOTE : This function should not be modified, when the callback is needed,
bogdanm 0:9b334a45a8ff 345 the HAL_TSC_MspDeInit could be implemented in the user file.
bogdanm 0:9b334a45a8ff 346 */
bogdanm 0:9b334a45a8ff 347 }
bogdanm 0:9b334a45a8ff 348
bogdanm 0:9b334a45a8ff 349 /**
bogdanm 0:9b334a45a8ff 350 * @}
bogdanm 0:9b334a45a8ff 351 */
bogdanm 0:9b334a45a8ff 352
bogdanm 0:9b334a45a8ff 353 /** @defgroup TSC_Exported_Functions_Group2 Input and Output operation functions
bogdanm 0:9b334a45a8ff 354 * @brief Input and Output operation functions
bogdanm 0:9b334a45a8ff 355 *
bogdanm 0:9b334a45a8ff 356 @verbatim
bogdanm 0:9b334a45a8ff 357 ===============================================================================
bogdanm 0:9b334a45a8ff 358 ##### IO Operation functions #####
bogdanm 0:9b334a45a8ff 359 ===============================================================================
bogdanm 0:9b334a45a8ff 360 [..] This section provides functions allowing to:
bogdanm 0:9b334a45a8ff 361 (+) Start acquisition in polling mode.
bogdanm 0:9b334a45a8ff 362 (+) Start acquisition in interrupt mode.
bogdanm 0:9b334a45a8ff 363 (+) Stop conversion in polling mode.
bogdanm 0:9b334a45a8ff 364 (+) Stop conversion in interrupt mode.
bogdanm 0:9b334a45a8ff 365 (+) Poll for acquisition completed.
bogdanm 0:9b334a45a8ff 366 (+) Get group acquisition status.
bogdanm 0:9b334a45a8ff 367 (+) Get group acquisition value.
bogdanm 0:9b334a45a8ff 368 @endverbatim
bogdanm 0:9b334a45a8ff 369 * @{
bogdanm 0:9b334a45a8ff 370 */
bogdanm 0:9b334a45a8ff 371
bogdanm 0:9b334a45a8ff 372 /**
bogdanm 0:9b334a45a8ff 373 * @brief Start the acquisition.
bogdanm 0:9b334a45a8ff 374 * @param htsc: pointer to a TSC_HandleTypeDef structure that contains
bogdanm 0:9b334a45a8ff 375 * the configuration information for the specified TSC.
bogdanm 0:9b334a45a8ff 376 * @retval HAL status
bogdanm 0:9b334a45a8ff 377 */
bogdanm 0:9b334a45a8ff 378 HAL_StatusTypeDef HAL_TSC_Start(TSC_HandleTypeDef* htsc)
bogdanm 0:9b334a45a8ff 379 {
bogdanm 0:9b334a45a8ff 380 /* Check the parameters */
bogdanm 0:9b334a45a8ff 381 assert_param(IS_TSC_ALL_INSTANCE(htsc->Instance));
bogdanm 0:9b334a45a8ff 382
bogdanm 0:9b334a45a8ff 383 /* Process locked */
bogdanm 0:9b334a45a8ff 384 __HAL_LOCK(htsc);
bogdanm 0:9b334a45a8ff 385
bogdanm 0:9b334a45a8ff 386 /* Change TSC state */
bogdanm 0:9b334a45a8ff 387 htsc->State = HAL_TSC_STATE_BUSY;
bogdanm 0:9b334a45a8ff 388
bogdanm 0:9b334a45a8ff 389 /* Clear interrupts */
bogdanm 0:9b334a45a8ff 390 __HAL_TSC_DISABLE_IT(htsc, (TSC_IT_EOA | TSC_IT_MCE));
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 Start the acquisition in interrupt 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_Start_IT(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 assert_param(IS_TSC_MCE_IT(htsc->Init.MaxCountInterrupt));
bogdanm 0:9b334a45a8ff 419
bogdanm 0:9b334a45a8ff 420 /* Process locked */
bogdanm 0:9b334a45a8ff 421 __HAL_LOCK(htsc);
bogdanm 0:9b334a45a8ff 422
bogdanm 0:9b334a45a8ff 423 /* Change TSC state */
bogdanm 0:9b334a45a8ff 424 htsc->State = HAL_TSC_STATE_BUSY;
bogdanm 0:9b334a45a8ff 425
bogdanm 0:9b334a45a8ff 426 /* Enable end of acquisition interrupt */
bogdanm 0:9b334a45a8ff 427 __HAL_TSC_ENABLE_IT(htsc, TSC_IT_EOA);
bogdanm 0:9b334a45a8ff 428
bogdanm 0:9b334a45a8ff 429 /* Enable max count error interrupt (optional) */
bogdanm 0:9b334a45a8ff 430 if (htsc->Init.MaxCountInterrupt == ENABLE)
bogdanm 0:9b334a45a8ff 431 {
bogdanm 0:9b334a45a8ff 432 __HAL_TSC_ENABLE_IT(htsc, TSC_IT_MCE);
bogdanm 0:9b334a45a8ff 433 }
bogdanm 0:9b334a45a8ff 434 else
bogdanm 0:9b334a45a8ff 435 {
bogdanm 0:9b334a45a8ff 436 __HAL_TSC_DISABLE_IT(htsc, TSC_IT_MCE);
bogdanm 0:9b334a45a8ff 437 }
bogdanm 0:9b334a45a8ff 438
bogdanm 0:9b334a45a8ff 439 /* Clear flags */
bogdanm 0:9b334a45a8ff 440 __HAL_TSC_CLEAR_FLAG(htsc, (TSC_FLAG_EOA | TSC_FLAG_MCE));
bogdanm 0:9b334a45a8ff 441
bogdanm 0:9b334a45a8ff 442 /* Stop discharging the IOs */
bogdanm 0:9b334a45a8ff 443 __HAL_TSC_SET_IODEF_INFLOAT(htsc);
bogdanm 0:9b334a45a8ff 444
bogdanm 0:9b334a45a8ff 445 /* Launch the acquisition */
bogdanm 0:9b334a45a8ff 446 __HAL_TSC_START_ACQ(htsc);
bogdanm 0:9b334a45a8ff 447
bogdanm 0:9b334a45a8ff 448 /* Process unlocked */
bogdanm 0:9b334a45a8ff 449 __HAL_UNLOCK(htsc);
bogdanm 0:9b334a45a8ff 450
bogdanm 0:9b334a45a8ff 451 /* Return function status */
bogdanm 0:9b334a45a8ff 452 return HAL_OK;
bogdanm 0:9b334a45a8ff 453 }
bogdanm 0:9b334a45a8ff 454
bogdanm 0:9b334a45a8ff 455 /**
bogdanm 0:9b334a45a8ff 456 * @brief Stop the acquisition previously launched in polling mode.
bogdanm 0:9b334a45a8ff 457 * @param htsc: pointer to a TSC_HandleTypeDef structure that contains
bogdanm 0:9b334a45a8ff 458 * the configuration information for the specified TSC.
bogdanm 0:9b334a45a8ff 459 * @retval HAL status
bogdanm 0:9b334a45a8ff 460 */
bogdanm 0:9b334a45a8ff 461 HAL_StatusTypeDef HAL_TSC_Stop(TSC_HandleTypeDef* htsc)
bogdanm 0:9b334a45a8ff 462 {
bogdanm 0:9b334a45a8ff 463 /* Check the parameters */
bogdanm 0:9b334a45a8ff 464 assert_param(IS_TSC_ALL_INSTANCE(htsc->Instance));
bogdanm 0:9b334a45a8ff 465
bogdanm 0:9b334a45a8ff 466 /* Process locked */
bogdanm 0:9b334a45a8ff 467 __HAL_LOCK(htsc);
bogdanm 0:9b334a45a8ff 468
bogdanm 0:9b334a45a8ff 469 /* Stop the acquisition */
bogdanm 0:9b334a45a8ff 470 __HAL_TSC_STOP_ACQ(htsc);
bogdanm 0:9b334a45a8ff 471
bogdanm 0:9b334a45a8ff 472 /* Clear flags */
bogdanm 0:9b334a45a8ff 473 __HAL_TSC_CLEAR_FLAG(htsc, (TSC_FLAG_EOA | TSC_FLAG_MCE));
bogdanm 0:9b334a45a8ff 474
bogdanm 0:9b334a45a8ff 475 /* Change TSC state */
bogdanm 0:9b334a45a8ff 476 htsc->State = HAL_TSC_STATE_READY;
bogdanm 0:9b334a45a8ff 477
bogdanm 0:9b334a45a8ff 478 /* Process unlocked */
bogdanm 0:9b334a45a8ff 479 __HAL_UNLOCK(htsc);
bogdanm 0:9b334a45a8ff 480
bogdanm 0:9b334a45a8ff 481 /* Return function status */
bogdanm 0:9b334a45a8ff 482 return HAL_OK;
bogdanm 0:9b334a45a8ff 483 }
bogdanm 0:9b334a45a8ff 484
bogdanm 0:9b334a45a8ff 485 /**
bogdanm 0:9b334a45a8ff 486 * @brief Stop the acquisition previously launched in interrupt mode.
bogdanm 0:9b334a45a8ff 487 * @param htsc: pointer to a TSC_HandleTypeDef structure that contains
bogdanm 0:9b334a45a8ff 488 * the configuration information for the specified TSC.
bogdanm 0:9b334a45a8ff 489 * @retval HAL status
bogdanm 0:9b334a45a8ff 490 */
bogdanm 0:9b334a45a8ff 491 HAL_StatusTypeDef HAL_TSC_Stop_IT(TSC_HandleTypeDef* htsc)
bogdanm 0:9b334a45a8ff 492 {
bogdanm 0:9b334a45a8ff 493 /* Check the parameters */
bogdanm 0:9b334a45a8ff 494 assert_param(IS_TSC_ALL_INSTANCE(htsc->Instance));
bogdanm 0:9b334a45a8ff 495
bogdanm 0:9b334a45a8ff 496 /* Process locked */
bogdanm 0:9b334a45a8ff 497 __HAL_LOCK(htsc);
bogdanm 0:9b334a45a8ff 498
bogdanm 0:9b334a45a8ff 499 /* Stop the acquisition */
bogdanm 0:9b334a45a8ff 500 __HAL_TSC_STOP_ACQ(htsc);
bogdanm 0:9b334a45a8ff 501
bogdanm 0:9b334a45a8ff 502 /* Disable interrupts */
bogdanm 0:9b334a45a8ff 503 __HAL_TSC_DISABLE_IT(htsc, (TSC_IT_EOA | TSC_IT_MCE));
bogdanm 0:9b334a45a8ff 504
bogdanm 0:9b334a45a8ff 505 /* Clear flags */
bogdanm 0:9b334a45a8ff 506 __HAL_TSC_CLEAR_FLAG(htsc, (TSC_FLAG_EOA | TSC_FLAG_MCE));
bogdanm 0:9b334a45a8ff 507
bogdanm 0:9b334a45a8ff 508 /* Change TSC state */
bogdanm 0:9b334a45a8ff 509 htsc->State = HAL_TSC_STATE_READY;
bogdanm 0:9b334a45a8ff 510
bogdanm 0:9b334a45a8ff 511 /* Process unlocked */
bogdanm 0:9b334a45a8ff 512 __HAL_UNLOCK(htsc);
bogdanm 0:9b334a45a8ff 513
bogdanm 0:9b334a45a8ff 514 /* Return function status */
bogdanm 0:9b334a45a8ff 515 return HAL_OK;
bogdanm 0:9b334a45a8ff 516 }
bogdanm 0:9b334a45a8ff 517
bogdanm 0:9b334a45a8ff 518 /**
bogdanm 0:9b334a45a8ff 519 * @brief Start acquisition and wait until completion.
bogdanm 0:9b334a45a8ff 520 * @note There is no need of a timeout parameter as the max count error is already
bogdanm 0:9b334a45a8ff 521 * managed by the TSC peripheral.
bogdanm 0:9b334a45a8ff 522 * @param htsc: pointer to a TSC_HandleTypeDef structure that contains
bogdanm 0:9b334a45a8ff 523 * the configuration information for the specified TSC.
bogdanm 0:9b334a45a8ff 524 * @retval HAL state
bogdanm 0:9b334a45a8ff 525 */
bogdanm 0:9b334a45a8ff 526 HAL_StatusTypeDef HAL_TSC_PollForAcquisition(TSC_HandleTypeDef* htsc)
bogdanm 0:9b334a45a8ff 527 {
bogdanm 0:9b334a45a8ff 528 /* Check the parameters */
bogdanm 0:9b334a45a8ff 529 assert_param(IS_TSC_ALL_INSTANCE(htsc->Instance));
bogdanm 0:9b334a45a8ff 530
bogdanm 0:9b334a45a8ff 531 /* Process locked */
bogdanm 0:9b334a45a8ff 532 __HAL_LOCK(htsc);
bogdanm 0:9b334a45a8ff 533
bogdanm 0:9b334a45a8ff 534 /* Check end of acquisition */
bogdanm 0:9b334a45a8ff 535 while (HAL_TSC_GetState(htsc) == HAL_TSC_STATE_BUSY)
bogdanm 0:9b334a45a8ff 536 {
bogdanm 0:9b334a45a8ff 537 /* The timeout (max count error) is managed by the TSC peripheral itself. */
bogdanm 0:9b334a45a8ff 538 }
bogdanm 0:9b334a45a8ff 539
bogdanm 0:9b334a45a8ff 540 /* Process unlocked */
bogdanm 0:9b334a45a8ff 541 __HAL_UNLOCK(htsc);
bogdanm 0:9b334a45a8ff 542
bogdanm 0:9b334a45a8ff 543 return HAL_OK;
bogdanm 0:9b334a45a8ff 544 }
bogdanm 0:9b334a45a8ff 545
bogdanm 0:9b334a45a8ff 546 /**
bogdanm 0:9b334a45a8ff 547 * @brief Get the acquisition status for a group.
bogdanm 0:9b334a45a8ff 548 * @param htsc: pointer to a TSC_HandleTypeDef structure that contains
bogdanm 0:9b334a45a8ff 549 * the configuration information for the specified TSC.
bogdanm 0:9b334a45a8ff 550 * @param gx_index: Index of the group
bogdanm 0:9b334a45a8ff 551 * @retval Group status
bogdanm 0:9b334a45a8ff 552 */
bogdanm 0:9b334a45a8ff 553 TSC_GroupStatusTypeDef HAL_TSC_GroupGetStatus(TSC_HandleTypeDef* htsc, uint32_t gx_index)
bogdanm 0:9b334a45a8ff 554 {
bogdanm 0:9b334a45a8ff 555 /* Check the parameters */
bogdanm 0:9b334a45a8ff 556 assert_param(IS_TSC_ALL_INSTANCE(htsc->Instance));
bogdanm 0:9b334a45a8ff 557 assert_param(IS_TSC_GROUP_INDEX(gx_index));
bogdanm 0:9b334a45a8ff 558
bogdanm 0:9b334a45a8ff 559 /* Return the group status */
bogdanm 0:9b334a45a8ff 560 return(__HAL_TSC_GET_GROUP_STATUS(htsc, gx_index));
bogdanm 0:9b334a45a8ff 561 }
bogdanm 0:9b334a45a8ff 562
bogdanm 0:9b334a45a8ff 563 /**
bogdanm 0:9b334a45a8ff 564 * @brief Get the acquisition measure for a group.
bogdanm 0:9b334a45a8ff 565 * @param htsc: pointer to a TSC_HandleTypeDef structure that contains
bogdanm 0:9b334a45a8ff 566 * the configuration information for the specified TSC.
bogdanm 0:9b334a45a8ff 567 * @param gx_index: Index of the group
bogdanm 0:9b334a45a8ff 568 * @retval Acquisition measure
bogdanm 0:9b334a45a8ff 569 */
bogdanm 0:9b334a45a8ff 570 uint32_t HAL_TSC_GroupGetValue(TSC_HandleTypeDef* htsc, uint32_t gx_index)
bogdanm 0:9b334a45a8ff 571 {
bogdanm 0:9b334a45a8ff 572 /* Check the parameters */
bogdanm 0:9b334a45a8ff 573 assert_param(IS_TSC_ALL_INSTANCE(htsc->Instance));
bogdanm 0:9b334a45a8ff 574 assert_param(IS_TSC_GROUP_INDEX(gx_index));
bogdanm 0:9b334a45a8ff 575
bogdanm 0:9b334a45a8ff 576 /* Return the group acquisition counter */
bogdanm 0:9b334a45a8ff 577 return htsc->Instance->IOGXCR[gx_index];
bogdanm 0:9b334a45a8ff 578 }
bogdanm 0:9b334a45a8ff 579
bogdanm 0:9b334a45a8ff 580 /**
bogdanm 0:9b334a45a8ff 581 * @}
bogdanm 0:9b334a45a8ff 582 */
bogdanm 0:9b334a45a8ff 583
bogdanm 0:9b334a45a8ff 584 /** @defgroup TSC_Exported_Functions_Group3 Peripheral Control functions
bogdanm 0:9b334a45a8ff 585 * @brief Peripheral Control functions
bogdanm 0:9b334a45a8ff 586 *
bogdanm 0:9b334a45a8ff 587 @verbatim
bogdanm 0:9b334a45a8ff 588 ===============================================================================
bogdanm 0:9b334a45a8ff 589 ##### Peripheral Control functions #####
bogdanm 0:9b334a45a8ff 590 ===============================================================================
bogdanm 0:9b334a45a8ff 591 [..] This section provides functions allowing to:
bogdanm 0:9b334a45a8ff 592 (+) Configure TSC IOs
bogdanm 0:9b334a45a8ff 593 (+) Discharge TSC IOs
bogdanm 0:9b334a45a8ff 594 @endverbatim
bogdanm 0:9b334a45a8ff 595 * @{
bogdanm 0:9b334a45a8ff 596 */
bogdanm 0:9b334a45a8ff 597
bogdanm 0:9b334a45a8ff 598 /**
bogdanm 0:9b334a45a8ff 599 * @brief Configure TSC IOs.
bogdanm 0:9b334a45a8ff 600 * @param htsc: pointer to a TSC_HandleTypeDef structure that contains
bogdanm 0:9b334a45a8ff 601 * the configuration information for the specified TSC.
bogdanm 0:9b334a45a8ff 602 * @param config: pointer to the configuration structure.
bogdanm 0:9b334a45a8ff 603 * @retval HAL status
bogdanm 0:9b334a45a8ff 604 */
bogdanm 0:9b334a45a8ff 605 HAL_StatusTypeDef HAL_TSC_IOConfig(TSC_HandleTypeDef* htsc, TSC_IOConfigTypeDef* config)
bogdanm 0:9b334a45a8ff 606 {
bogdanm 0:9b334a45a8ff 607 /* Check the parameters */
bogdanm 0:9b334a45a8ff 608 assert_param(IS_TSC_ALL_INSTANCE(htsc->Instance));
bogdanm 0:9b334a45a8ff 609
bogdanm 0:9b334a45a8ff 610 /* Process locked */
bogdanm 0:9b334a45a8ff 611 __HAL_LOCK(htsc);
bogdanm 0:9b334a45a8ff 612
bogdanm 0:9b334a45a8ff 613 /* Stop acquisition */
bogdanm 0:9b334a45a8ff 614 __HAL_TSC_STOP_ACQ(htsc);
bogdanm 0:9b334a45a8ff 615
bogdanm 0:9b334a45a8ff 616 /* Disable Schmitt trigger hysteresis on all used TSC IOs */
bogdanm 0:9b334a45a8ff 617 htsc->Instance->IOHCR = (uint32_t)(~(config->ChannelIOs | config->ShieldIOs | config->SamplingIOs));
bogdanm 0:9b334a45a8ff 618
bogdanm 0:9b334a45a8ff 619 /* Set channel and shield IOs */
bogdanm 0:9b334a45a8ff 620 htsc->Instance->IOCCR = (config->ChannelIOs | config->ShieldIOs);
bogdanm 0:9b334a45a8ff 621
bogdanm 0:9b334a45a8ff 622 /* Set sampling IOs */
bogdanm 0:9b334a45a8ff 623 htsc->Instance->IOSCR = config->SamplingIOs;
bogdanm 0:9b334a45a8ff 624
bogdanm 0:9b334a45a8ff 625 /* Set groups to be acquired */
bogdanm 0:9b334a45a8ff 626 htsc->Instance->IOGCSR = TSC_extract_groups(config->ChannelIOs);
bogdanm 0:9b334a45a8ff 627
bogdanm 0:9b334a45a8ff 628 /* Process unlocked */
bogdanm 0:9b334a45a8ff 629 __HAL_UNLOCK(htsc);
bogdanm 0:9b334a45a8ff 630
bogdanm 0:9b334a45a8ff 631 /* Return function status */
bogdanm 0:9b334a45a8ff 632 return HAL_OK;
bogdanm 0:9b334a45a8ff 633 }
bogdanm 0:9b334a45a8ff 634
bogdanm 0:9b334a45a8ff 635 /**
bogdanm 0:9b334a45a8ff 636 * @brief Discharge TSC IOs.
bogdanm 0:9b334a45a8ff 637 * @param htsc: pointer to a TSC_HandleTypeDef structure that contains
bogdanm 0:9b334a45a8ff 638 * the configuration information for the specified TSC.
bogdanm 0:9b334a45a8ff 639 * @param choice: enable or disable
bogdanm 0:9b334a45a8ff 640 * @retval HAL status
bogdanm 0:9b334a45a8ff 641 */
bogdanm 0:9b334a45a8ff 642 HAL_StatusTypeDef HAL_TSC_IODischarge(TSC_HandleTypeDef* htsc, uint32_t choice)
bogdanm 0:9b334a45a8ff 643 {
bogdanm 0:9b334a45a8ff 644 /* Check the parameters */
bogdanm 0:9b334a45a8ff 645 assert_param(IS_TSC_ALL_INSTANCE(htsc->Instance));
bogdanm 0:9b334a45a8ff 646
bogdanm 0:9b334a45a8ff 647 /* Process locked */
bogdanm 0:9b334a45a8ff 648 __HAL_LOCK(htsc);
bogdanm 0:9b334a45a8ff 649
bogdanm 0:9b334a45a8ff 650 if (choice == ENABLE)
bogdanm 0:9b334a45a8ff 651 {
bogdanm 0:9b334a45a8ff 652 __HAL_TSC_SET_IODEF_OUTPPLOW(htsc);
bogdanm 0:9b334a45a8ff 653 }
bogdanm 0:9b334a45a8ff 654 else
bogdanm 0:9b334a45a8ff 655 {
bogdanm 0:9b334a45a8ff 656 __HAL_TSC_SET_IODEF_INFLOAT(htsc);
bogdanm 0:9b334a45a8ff 657 }
bogdanm 0:9b334a45a8ff 658
bogdanm 0:9b334a45a8ff 659 /* Process unlocked */
bogdanm 0:9b334a45a8ff 660 __HAL_UNLOCK(htsc);
bogdanm 0:9b334a45a8ff 661
bogdanm 0:9b334a45a8ff 662 /* Return the group acquisition counter */
bogdanm 0:9b334a45a8ff 663 return HAL_OK;
bogdanm 0:9b334a45a8ff 664 }
bogdanm 0:9b334a45a8ff 665
bogdanm 0:9b334a45a8ff 666 /**
bogdanm 0:9b334a45a8ff 667 * @}
bogdanm 0:9b334a45a8ff 668 */
bogdanm 0:9b334a45a8ff 669
bogdanm 0:9b334a45a8ff 670 /** @defgroup TSC_Exported_Functions_Group4 Peripheral State and Errors functions
bogdanm 0:9b334a45a8ff 671 * @brief Peripheral State and Errors functions
bogdanm 0:9b334a45a8ff 672 *
bogdanm 0:9b334a45a8ff 673 @verbatim
bogdanm 0:9b334a45a8ff 674 ===============================================================================
bogdanm 0:9b334a45a8ff 675 ##### State and Errors functions #####
bogdanm 0:9b334a45a8ff 676 ===============================================================================
bogdanm 0:9b334a45a8ff 677 [..]
bogdanm 0:9b334a45a8ff 678 This subsection provides functions allowing to
bogdanm 0:9b334a45a8ff 679 (+) Get TSC state.
bogdanm 0:9b334a45a8ff 680
bogdanm 0:9b334a45a8ff 681 @endverbatim
bogdanm 0:9b334a45a8ff 682 * @{
bogdanm 0:9b334a45a8ff 683 */
bogdanm 0:9b334a45a8ff 684
bogdanm 0:9b334a45a8ff 685 /**
bogdanm 0:9b334a45a8ff 686 * @brief Return the TSC handle state.
bogdanm 0:9b334a45a8ff 687 * @param htsc: pointer to a TSC_HandleTypeDef structure that contains
bogdanm 0:9b334a45a8ff 688 * the configuration information for the specified TSC.
bogdanm 0:9b334a45a8ff 689 * @retval HAL state
bogdanm 0:9b334a45a8ff 690 */
bogdanm 0:9b334a45a8ff 691 HAL_TSC_StateTypeDef HAL_TSC_GetState(TSC_HandleTypeDef* htsc)
bogdanm 0:9b334a45a8ff 692 {
bogdanm 0:9b334a45a8ff 693 /* Check the parameters */
bogdanm 0:9b334a45a8ff 694 assert_param(IS_TSC_ALL_INSTANCE(htsc->Instance));
bogdanm 0:9b334a45a8ff 695
bogdanm 0:9b334a45a8ff 696 if (htsc->State == HAL_TSC_STATE_BUSY)
bogdanm 0:9b334a45a8ff 697 {
bogdanm 0:9b334a45a8ff 698 /* Check end of acquisition flag */
bogdanm 0:9b334a45a8ff 699 if (__HAL_TSC_GET_FLAG(htsc, TSC_FLAG_EOA) != RESET)
bogdanm 0:9b334a45a8ff 700 {
bogdanm 0:9b334a45a8ff 701 /* Check max count error flag */
bogdanm 0:9b334a45a8ff 702 if (__HAL_TSC_GET_FLAG(htsc, TSC_FLAG_MCE) != RESET)
bogdanm 0:9b334a45a8ff 703 {
bogdanm 0:9b334a45a8ff 704 /* Change TSC state */
bogdanm 0:9b334a45a8ff 705 htsc->State = HAL_TSC_STATE_ERROR;
bogdanm 0:9b334a45a8ff 706 }
bogdanm 0:9b334a45a8ff 707 else
bogdanm 0:9b334a45a8ff 708 {
bogdanm 0:9b334a45a8ff 709 /* Change TSC state */
bogdanm 0:9b334a45a8ff 710 htsc->State = HAL_TSC_STATE_READY;
bogdanm 0:9b334a45a8ff 711 }
bogdanm 0:9b334a45a8ff 712 }
bogdanm 0:9b334a45a8ff 713 }
bogdanm 0:9b334a45a8ff 714
bogdanm 0:9b334a45a8ff 715 /* Return TSC state */
bogdanm 0:9b334a45a8ff 716 return htsc->State;
bogdanm 0:9b334a45a8ff 717 }
bogdanm 0:9b334a45a8ff 718
bogdanm 0:9b334a45a8ff 719 /**
bogdanm 0:9b334a45a8ff 720 * @}
bogdanm 0:9b334a45a8ff 721 */
bogdanm 0:9b334a45a8ff 722
bogdanm 0:9b334a45a8ff 723 /** @defgroup TSC_IRQ_Handler_and_Callbacks IRQ Handler and Callbacks
bogdanm 0:9b334a45a8ff 724 * @{
bogdanm 0:9b334a45a8ff 725 */
bogdanm 0:9b334a45a8ff 726
bogdanm 0:9b334a45a8ff 727 /**
bogdanm 0:9b334a45a8ff 728 * @brief Handle TSC interrupt request.
bogdanm 0:9b334a45a8ff 729 * @param htsc: pointer to a TSC_HandleTypeDef structure that contains
bogdanm 0:9b334a45a8ff 730 * the configuration information for the specified TSC.
bogdanm 0:9b334a45a8ff 731 * @retval None
bogdanm 0:9b334a45a8ff 732 */
bogdanm 0:9b334a45a8ff 733 void HAL_TSC_IRQHandler(TSC_HandleTypeDef* htsc)
bogdanm 0:9b334a45a8ff 734 {
bogdanm 0:9b334a45a8ff 735 /* Check the parameters */
bogdanm 0:9b334a45a8ff 736 assert_param(IS_TSC_ALL_INSTANCE(htsc->Instance));
bogdanm 0:9b334a45a8ff 737
bogdanm 0:9b334a45a8ff 738 /* Check if the end of acquisition occurred */
bogdanm 0:9b334a45a8ff 739 if (__HAL_TSC_GET_FLAG(htsc, TSC_FLAG_EOA) != RESET)
bogdanm 0:9b334a45a8ff 740 {
bogdanm 0:9b334a45a8ff 741 /* Clear EOA flag */
bogdanm 0:9b334a45a8ff 742 __HAL_TSC_CLEAR_FLAG(htsc, TSC_FLAG_EOA);
bogdanm 0:9b334a45a8ff 743 }
bogdanm 0:9b334a45a8ff 744
bogdanm 0:9b334a45a8ff 745 /* Check if max count error occurred */
bogdanm 0:9b334a45a8ff 746 if (__HAL_TSC_GET_FLAG(htsc, TSC_FLAG_MCE) != RESET)
bogdanm 0:9b334a45a8ff 747 {
bogdanm 0:9b334a45a8ff 748 /* Clear MCE flag */
bogdanm 0:9b334a45a8ff 749 __HAL_TSC_CLEAR_FLAG(htsc, TSC_FLAG_MCE);
bogdanm 0:9b334a45a8ff 750 /* Change TSC state */
bogdanm 0:9b334a45a8ff 751 htsc->State = HAL_TSC_STATE_ERROR;
bogdanm 0:9b334a45a8ff 752 /* Conversion completed callback */
bogdanm 0:9b334a45a8ff 753 HAL_TSC_ErrorCallback(htsc);
bogdanm 0:9b334a45a8ff 754 }
bogdanm 0:9b334a45a8ff 755 else
bogdanm 0:9b334a45a8ff 756 {
bogdanm 0:9b334a45a8ff 757 /* Change TSC state */
bogdanm 0:9b334a45a8ff 758 htsc->State = HAL_TSC_STATE_READY;
bogdanm 0:9b334a45a8ff 759 /* Conversion completed callback */
bogdanm 0:9b334a45a8ff 760 HAL_TSC_ConvCpltCallback(htsc);
bogdanm 0:9b334a45a8ff 761 }
bogdanm 0:9b334a45a8ff 762 }
bogdanm 0:9b334a45a8ff 763
bogdanm 0:9b334a45a8ff 764 /**
bogdanm 0:9b334a45a8ff 765 * @brief Acquisition completed callback in non-blocking mode.
bogdanm 0:9b334a45a8ff 766 * @param htsc: pointer to a TSC_HandleTypeDef structure that contains
bogdanm 0:9b334a45a8ff 767 * the configuration information for the specified TSC.
bogdanm 0:9b334a45a8ff 768 * @retval None
bogdanm 0:9b334a45a8ff 769 */
bogdanm 0:9b334a45a8ff 770 __weak void HAL_TSC_ConvCpltCallback(TSC_HandleTypeDef* htsc)
bogdanm 0:9b334a45a8ff 771 {
bogdanm 0:9b334a45a8ff 772 /* NOTE : This function should not be modified, when the callback is needed,
bogdanm 0:9b334a45a8ff 773 the HAL_TSC_ConvCpltCallback could be implemented in the user file.
bogdanm 0:9b334a45a8ff 774 */
bogdanm 0:9b334a45a8ff 775 }
bogdanm 0:9b334a45a8ff 776
bogdanm 0:9b334a45a8ff 777 /**
bogdanm 0:9b334a45a8ff 778 * @brief Error callback in non-blocking mode.
bogdanm 0:9b334a45a8ff 779 * @param htsc: pointer to a TSC_HandleTypeDef structure that contains
bogdanm 0:9b334a45a8ff 780 * the configuration information for the specified TSC.
bogdanm 0:9b334a45a8ff 781 * @retval None
bogdanm 0:9b334a45a8ff 782 */
bogdanm 0:9b334a45a8ff 783 __weak void HAL_TSC_ErrorCallback(TSC_HandleTypeDef* htsc)
bogdanm 0:9b334a45a8ff 784 {
bogdanm 0:9b334a45a8ff 785 /* NOTE : This function should not be modified, when the callback is needed,
bogdanm 0:9b334a45a8ff 786 the HAL_TSC_ErrorCallback could be implemented in the user file.
bogdanm 0:9b334a45a8ff 787 */
bogdanm 0:9b334a45a8ff 788 }
bogdanm 0:9b334a45a8ff 789
bogdanm 0:9b334a45a8ff 790 /**
bogdanm 0:9b334a45a8ff 791 * @}
bogdanm 0:9b334a45a8ff 792 */
bogdanm 0:9b334a45a8ff 793
bogdanm 0:9b334a45a8ff 794 /**
bogdanm 0:9b334a45a8ff 795 * @}
bogdanm 0:9b334a45a8ff 796 */
bogdanm 0:9b334a45a8ff 797
bogdanm 0:9b334a45a8ff 798 /* Private functions ---------------------------------------------------------*/
bogdanm 0:9b334a45a8ff 799 /** @defgroup TSC_Private_Functions Private Functions
bogdanm 0:9b334a45a8ff 800 * @{
bogdanm 0:9b334a45a8ff 801 */
bogdanm 0:9b334a45a8ff 802
bogdanm 0:9b334a45a8ff 803 /**
bogdanm 0:9b334a45a8ff 804 * @brief Utility function used to set the acquired groups mask.
bogdanm 0:9b334a45a8ff 805 * @param iomask: Channels IOs mask
bogdanm 0:9b334a45a8ff 806 * @retval Acquired groups mask
bogdanm 0:9b334a45a8ff 807 */
bogdanm 0:9b334a45a8ff 808 static uint32_t TSC_extract_groups(uint32_t iomask)
bogdanm 0:9b334a45a8ff 809 {
bogdanm 0:9b334a45a8ff 810 uint32_t groups = 0;
bogdanm 0:9b334a45a8ff 811 uint32_t idx;
bogdanm 0:9b334a45a8ff 812
bogdanm 0:9b334a45a8ff 813 for (idx = 0; idx < TSC_NB_OF_GROUPS; idx++)
bogdanm 0:9b334a45a8ff 814 {
bogdanm 0:9b334a45a8ff 815 if ((iomask & ((uint32_t)0x0F << (idx * 4))) != RESET)
bogdanm 0:9b334a45a8ff 816 {
bogdanm 0:9b334a45a8ff 817 groups |= ((uint32_t)1 << idx);
bogdanm 0:9b334a45a8ff 818 }
bogdanm 0:9b334a45a8ff 819 }
bogdanm 0:9b334a45a8ff 820
bogdanm 0:9b334a45a8ff 821 return groups;
bogdanm 0:9b334a45a8ff 822 }
bogdanm 0:9b334a45a8ff 823
bogdanm 0:9b334a45a8ff 824 /**
bogdanm 0:9b334a45a8ff 825 * @}
bogdanm 0:9b334a45a8ff 826 */
bogdanm 0:9b334a45a8ff 827
bogdanm 0:9b334a45a8ff 828 #endif /* HAL_TSC_MODULE_ENABLED */
bogdanm 0:9b334a45a8ff 829
bogdanm 0:9b334a45a8ff 830 /**
bogdanm 0:9b334a45a8ff 831 * @}
bogdanm 0:9b334a45a8ff 832 */
bogdanm 0:9b334a45a8ff 833
bogdanm 0:9b334a45a8ff 834 /**
bogdanm 0:9b334a45a8ff 835 * @}
bogdanm 0:9b334a45a8ff 836 */
bogdanm 0:9b334a45a8ff 837
bogdanm 0:9b334a45a8ff 838 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/