mbed official / mbed-dev

mbed library sources. Supersedes mbed-src.

Dependents:   Nucleo_Hello_Encoder BLE_iBeaconScan AM1805_DEMO DISCO-F429ZI_ExportTemplate1 ... more

targets/TARGET_STM/TARGET_STM32F1/device/stm32f1xx_ll_exti.c@165:e614a9f1c9e2, 2017-05-26 (annotated)

Committer:
AnnaBridge
Date:
Fri May 26 12:39:01 2017 +0100
Revision:
165:e614a9f1c9e2
Parent:
154:37f96f9d4de2
Child:
187:0387e8f68319
This updates the lib to the mbed lib v 143

Who changed what in which revision?

UserRevisionLine numberNew contents of line
<> 154:37f96f9d4de2 1 /**
<> 154:37f96f9d4de2 2 ******************************************************************************
<> 154:37f96f9d4de2 3 * @file stm32f1xx_ll_exti.c
<> 154:37f96f9d4de2 4 * @author MCD Application Team
AnnaBridge 165:e614a9f1c9e2 5 * @version V1.1.0
AnnaBridge 165:e614a9f1c9e2 6 * @date 14-April-2017
<> 154:37f96f9d4de2 7 * @brief EXTI LL module driver.
<> 154:37f96f9d4de2 8 ******************************************************************************
<> 154:37f96f9d4de2 9 * @attention
<> 154:37f96f9d4de2 10 *
<> 154:37f96f9d4de2 11 * <h2><center>&copy; COPYRIGHT(c) 2016 STMicroelectronics</center></h2>
<> 154:37f96f9d4de2 12 *
<> 154:37f96f9d4de2 13 * Redistribution and use in source and binary forms, with or without modification,
<> 154:37f96f9d4de2 14 * are permitted provided that the following conditions are met:
<> 154:37f96f9d4de2 15 * 1. Redistributions of source code must retain the above copyright notice,
<> 154:37f96f9d4de2 16 * this list of conditions and the following disclaimer.
<> 154:37f96f9d4de2 17 * 2. Redistributions in binary form must reproduce the above copyright notice,
<> 154:37f96f9d4de2 18 * this list of conditions and the following disclaimer in the documentation
<> 154:37f96f9d4de2 19 * and/or other materials provided with the distribution.
<> 154:37f96f9d4de2 20 * 3. Neither the name of STMicroelectronics nor the names of its contributors
<> 154:37f96f9d4de2 21 * may be used to endorse or promote products derived from this software
<> 154:37f96f9d4de2 22 * without specific prior written permission.
<> 154:37f96f9d4de2 23 *
<> 154:37f96f9d4de2 24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
<> 154:37f96f9d4de2 25 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
<> 154:37f96f9d4de2 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
<> 154:37f96f9d4de2 27 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
<> 154:37f96f9d4de2 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
<> 154:37f96f9d4de2 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
<> 154:37f96f9d4de2 30 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
<> 154:37f96f9d4de2 31 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
<> 154:37f96f9d4de2 32 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
<> 154:37f96f9d4de2 33 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
<> 154:37f96f9d4de2 34 *
<> 154:37f96f9d4de2 35 ******************************************************************************
<> 154:37f96f9d4de2 36 */
<> 154:37f96f9d4de2 37 #if defined(USE_FULL_LL_DRIVER)
<> 154:37f96f9d4de2 38
<> 154:37f96f9d4de2 39 /* Includes ------------------------------------------------------------------*/
<> 154:37f96f9d4de2 40 #include "stm32f1xx_ll_exti.h"
<> 154:37f96f9d4de2 41 #ifdef USE_FULL_ASSERT
<> 154:37f96f9d4de2 42 #include "stm32_assert.h"
<> 154:37f96f9d4de2 43 #else
<> 154:37f96f9d4de2 44 #define assert_param(expr) ((void)0U)
<> 154:37f96f9d4de2 45 #endif
<> 154:37f96f9d4de2 46
<> 154:37f96f9d4de2 47 /** @addtogroup STM32F1xx_LL_Driver
<> 154:37f96f9d4de2 48 * @{
<> 154:37f96f9d4de2 49 */
<> 154:37f96f9d4de2 50
<> 154:37f96f9d4de2 51 #if defined (EXTI)
<> 154:37f96f9d4de2 52
<> 154:37f96f9d4de2 53 /** @defgroup EXTI_LL EXTI
<> 154:37f96f9d4de2 54 * @{
<> 154:37f96f9d4de2 55 */
<> 154:37f96f9d4de2 56
<> 154:37f96f9d4de2 57 /* Private types -------------------------------------------------------------*/
<> 154:37f96f9d4de2 58 /* Private variables ---------------------------------------------------------*/
<> 154:37f96f9d4de2 59 /* Private constants ---------------------------------------------------------*/
<> 154:37f96f9d4de2 60 /* Private macros ------------------------------------------------------------*/
<> 154:37f96f9d4de2 61 /** @addtogroup EXTI_LL_Private_Macros
<> 154:37f96f9d4de2 62 * @{
<> 154:37f96f9d4de2 63 */
<> 154:37f96f9d4de2 64
<> 154:37f96f9d4de2 65 #define IS_LL_EXTI_LINE_0_31(__VALUE__) (((__VALUE__) & ~LL_EXTI_LINE_ALL_0_31) == 0x00000000U)
<> 154:37f96f9d4de2 66
<> 154:37f96f9d4de2 67 #define IS_LL_EXTI_MODE(__VALUE__) (((__VALUE__) == LL_EXTI_MODE_IT) \
<> 154:37f96f9d4de2 68 || ((__VALUE__) == LL_EXTI_MODE_EVENT) \
<> 154:37f96f9d4de2 69 || ((__VALUE__) == LL_EXTI_MODE_IT_EVENT))
<> 154:37f96f9d4de2 70
<> 154:37f96f9d4de2 71
<> 154:37f96f9d4de2 72 #define IS_LL_EXTI_TRIGGER(__VALUE__) (((__VALUE__) == LL_EXTI_TRIGGER_NONE) \
<> 154:37f96f9d4de2 73 || ((__VALUE__) == LL_EXTI_TRIGGER_RISING) \
<> 154:37f96f9d4de2 74 || ((__VALUE__) == LL_EXTI_TRIGGER_FALLING) \
<> 154:37f96f9d4de2 75 || ((__VALUE__) == LL_EXTI_TRIGGER_RISING_FALLING))
<> 154:37f96f9d4de2 76
<> 154:37f96f9d4de2 77 /**
<> 154:37f96f9d4de2 78 * @}
<> 154:37f96f9d4de2 79 */
<> 154:37f96f9d4de2 80
<> 154:37f96f9d4de2 81 /* Private function prototypes -----------------------------------------------*/
<> 154:37f96f9d4de2 82
<> 154:37f96f9d4de2 83 /* Exported functions --------------------------------------------------------*/
<> 154:37f96f9d4de2 84 /** @addtogroup EXTI_LL_Exported_Functions
<> 154:37f96f9d4de2 85 * @{
<> 154:37f96f9d4de2 86 */
<> 154:37f96f9d4de2 87
<> 154:37f96f9d4de2 88 /** @addtogroup EXTI_LL_EF_Init
<> 154:37f96f9d4de2 89 * @{
<> 154:37f96f9d4de2 90 */
<> 154:37f96f9d4de2 91
<> 154:37f96f9d4de2 92 /**
<> 154:37f96f9d4de2 93 * @brief De-initialize the EXTI registers to their default reset values.
<> 154:37f96f9d4de2 94 * @retval An ErrorStatus enumeration value:
<> 154:37f96f9d4de2 95 * - SUCCESS: EXTI registers are de-initialized
<> 154:37f96f9d4de2 96 * - ERROR: not applicable
<> 154:37f96f9d4de2 97 */
<> 154:37f96f9d4de2 98 uint32_t LL_EXTI_DeInit(void)
<> 154:37f96f9d4de2 99 {
<> 154:37f96f9d4de2 100 /* Interrupt mask register set to default reset values */
<> 154:37f96f9d4de2 101 LL_EXTI_WriteReg(IMR, 0x00000000U);
<> 154:37f96f9d4de2 102 /* Event mask register set to default reset values */
<> 154:37f96f9d4de2 103 LL_EXTI_WriteReg(EMR, 0x00000000U);
<> 154:37f96f9d4de2 104 /* Rising Trigger selection register set to default reset values */
<> 154:37f96f9d4de2 105 LL_EXTI_WriteReg(RTSR, 0x00000000U);
<> 154:37f96f9d4de2 106 /* Falling Trigger selection register set to default reset values */
<> 154:37f96f9d4de2 107 LL_EXTI_WriteReg(FTSR, 0x00000000U);
<> 154:37f96f9d4de2 108 /* Software interrupt event register set to default reset values */
<> 154:37f96f9d4de2 109 LL_EXTI_WriteReg(SWIER, 0x00000000U);
AnnaBridge 165:e614a9f1c9e2 110 /* Pending register clear */
<> 154:37f96f9d4de2 111 LL_EXTI_WriteReg(PR, 0x000FFFFFU);
<> 154:37f96f9d4de2 112
<> 154:37f96f9d4de2 113 return SUCCESS;
<> 154:37f96f9d4de2 114 }
<> 154:37f96f9d4de2 115
<> 154:37f96f9d4de2 116 /**
<> 154:37f96f9d4de2 117 * @brief Initialize the EXTI registers according to the specified parameters in EXTI_InitStruct.
<> 154:37f96f9d4de2 118 * @param EXTI_InitStruct pointer to a @ref LL_EXTI_InitTypeDef structure.
<> 154:37f96f9d4de2 119 * @retval An ErrorStatus enumeration value:
<> 154:37f96f9d4de2 120 * - SUCCESS: EXTI registers are initialized
<> 154:37f96f9d4de2 121 * - ERROR: not applicable
<> 154:37f96f9d4de2 122 */
<> 154:37f96f9d4de2 123 uint32_t LL_EXTI_Init(LL_EXTI_InitTypeDef *EXTI_InitStruct)
<> 154:37f96f9d4de2 124 {
<> 154:37f96f9d4de2 125 ErrorStatus status = SUCCESS;
<> 154:37f96f9d4de2 126 /* Check the parameters */
<> 154:37f96f9d4de2 127 assert_param(IS_LL_EXTI_LINE_0_31(EXTI_InitStruct->Line_0_31));
<> 154:37f96f9d4de2 128 assert_param(IS_FUNCTIONAL_STATE(EXTI_InitStruct->LineCommand));
<> 154:37f96f9d4de2 129 assert_param(IS_LL_EXTI_MODE(EXTI_InitStruct->Mode));
<> 154:37f96f9d4de2 130
<> 154:37f96f9d4de2 131 /* ENABLE LineCommand */
<> 154:37f96f9d4de2 132 if (EXTI_InitStruct->LineCommand != DISABLE)
<> 154:37f96f9d4de2 133 {
<> 154:37f96f9d4de2 134 assert_param(IS_LL_EXTI_TRIGGER(EXTI_InitStruct->Trigger));
<> 154:37f96f9d4de2 135
<> 154:37f96f9d4de2 136 /* Configure EXTI Lines in range from 0 to 31 */
<> 154:37f96f9d4de2 137 if (EXTI_InitStruct->Line_0_31 != LL_EXTI_LINE_NONE)
<> 154:37f96f9d4de2 138 {
<> 154:37f96f9d4de2 139 switch (EXTI_InitStruct->Mode)
<> 154:37f96f9d4de2 140 {
<> 154:37f96f9d4de2 141 case LL_EXTI_MODE_IT:
<> 154:37f96f9d4de2 142 /* First Disable Event on provided Lines */
<> 154:37f96f9d4de2 143 LL_EXTI_DisableEvent_0_31(EXTI_InitStruct->Line_0_31);
<> 154:37f96f9d4de2 144 /* Then Enable IT on provided Lines */
<> 154:37f96f9d4de2 145 LL_EXTI_EnableIT_0_31(EXTI_InitStruct->Line_0_31);
<> 154:37f96f9d4de2 146 break;
<> 154:37f96f9d4de2 147 case LL_EXTI_MODE_EVENT:
<> 154:37f96f9d4de2 148 /* First Disable IT on provided Lines */
<> 154:37f96f9d4de2 149 LL_EXTI_DisableIT_0_31(EXTI_InitStruct->Line_0_31);
<> 154:37f96f9d4de2 150 /* Then Enable Event on provided Lines */
<> 154:37f96f9d4de2 151 LL_EXTI_EnableEvent_0_31(EXTI_InitStruct->Line_0_31);
<> 154:37f96f9d4de2 152 break;
<> 154:37f96f9d4de2 153 case LL_EXTI_MODE_IT_EVENT:
<> 154:37f96f9d4de2 154 /* Directly Enable IT & Event on provided Lines */
<> 154:37f96f9d4de2 155 LL_EXTI_EnableIT_0_31(EXTI_InitStruct->Line_0_31);
<> 154:37f96f9d4de2 156 LL_EXTI_EnableEvent_0_31(EXTI_InitStruct->Line_0_31);
<> 154:37f96f9d4de2 157 break;
<> 154:37f96f9d4de2 158 default:
<> 154:37f96f9d4de2 159 status = ERROR;
<> 154:37f96f9d4de2 160 break;
<> 154:37f96f9d4de2 161 }
<> 154:37f96f9d4de2 162 if (EXTI_InitStruct->Trigger != LL_EXTI_TRIGGER_NONE)
<> 154:37f96f9d4de2 163 {
<> 154:37f96f9d4de2 164 switch (EXTI_InitStruct->Trigger)
<> 154:37f96f9d4de2 165 {
<> 154:37f96f9d4de2 166 case LL_EXTI_TRIGGER_RISING:
<> 154:37f96f9d4de2 167 /* First Disable Falling Trigger on provided Lines */
<> 154:37f96f9d4de2 168 LL_EXTI_DisableFallingTrig_0_31(EXTI_InitStruct->Line_0_31);
<> 154:37f96f9d4de2 169 /* Then Enable Rising Trigger on provided Lines */
<> 154:37f96f9d4de2 170 LL_EXTI_EnableRisingTrig_0_31(EXTI_InitStruct->Line_0_31);
<> 154:37f96f9d4de2 171 break;
<> 154:37f96f9d4de2 172 case LL_EXTI_TRIGGER_FALLING:
<> 154:37f96f9d4de2 173 /* First Disable Rising Trigger on provided Lines */
<> 154:37f96f9d4de2 174 LL_EXTI_DisableRisingTrig_0_31(EXTI_InitStruct->Line_0_31);
<> 154:37f96f9d4de2 175 /* Then Enable Falling Trigger on provided Lines */
<> 154:37f96f9d4de2 176 LL_EXTI_EnableFallingTrig_0_31(EXTI_InitStruct->Line_0_31);
<> 154:37f96f9d4de2 177 break;
<> 154:37f96f9d4de2 178 case LL_EXTI_TRIGGER_RISING_FALLING:
<> 154:37f96f9d4de2 179 LL_EXTI_EnableRisingTrig_0_31(EXTI_InitStruct->Line_0_31);
<> 154:37f96f9d4de2 180 LL_EXTI_EnableFallingTrig_0_31(EXTI_InitStruct->Line_0_31);
<> 154:37f96f9d4de2 181 break;
<> 154:37f96f9d4de2 182 default:
<> 154:37f96f9d4de2 183 status = ERROR;
<> 154:37f96f9d4de2 184 break;
<> 154:37f96f9d4de2 185 }
<> 154:37f96f9d4de2 186 }
<> 154:37f96f9d4de2 187 }
<> 154:37f96f9d4de2 188 }
<> 154:37f96f9d4de2 189 /* DISABLE LineCommand */
<> 154:37f96f9d4de2 190 else
<> 154:37f96f9d4de2 191 {
<> 154:37f96f9d4de2 192 /* De-configure EXTI Lines in range from 0 to 31 */
<> 154:37f96f9d4de2 193 LL_EXTI_DisableIT_0_31(EXTI_InitStruct->Line_0_31);
<> 154:37f96f9d4de2 194 LL_EXTI_DisableEvent_0_31(EXTI_InitStruct->Line_0_31);
<> 154:37f96f9d4de2 195 }
<> 154:37f96f9d4de2 196 return status;
<> 154:37f96f9d4de2 197 }
<> 154:37f96f9d4de2 198
<> 154:37f96f9d4de2 199 /**
<> 154:37f96f9d4de2 200 * @brief Set each @ref LL_EXTI_InitTypeDef field to default value.
<> 154:37f96f9d4de2 201 * @param EXTI_InitStruct Pointer to a @ref LL_EXTI_InitTypeDef structure.
<> 154:37f96f9d4de2 202 * @retval None
<> 154:37f96f9d4de2 203 */
<> 154:37f96f9d4de2 204 void LL_EXTI_StructInit(LL_EXTI_InitTypeDef *EXTI_InitStruct)
<> 154:37f96f9d4de2 205 {
<> 154:37f96f9d4de2 206 EXTI_InitStruct->Line_0_31 = LL_EXTI_LINE_NONE;
<> 154:37f96f9d4de2 207 EXTI_InitStruct->LineCommand = DISABLE;
<> 154:37f96f9d4de2 208 EXTI_InitStruct->Mode = LL_EXTI_MODE_IT;
<> 154:37f96f9d4de2 209 EXTI_InitStruct->Trigger = LL_EXTI_TRIGGER_FALLING;
<> 154:37f96f9d4de2 210 }
<> 154:37f96f9d4de2 211
<> 154:37f96f9d4de2 212 /**
<> 154:37f96f9d4de2 213 * @}
<> 154:37f96f9d4de2 214 */
<> 154:37f96f9d4de2 215
<> 154:37f96f9d4de2 216 /**
<> 154:37f96f9d4de2 217 * @}
<> 154:37f96f9d4de2 218 */
<> 154:37f96f9d4de2 219
<> 154:37f96f9d4de2 220 /**
<> 154:37f96f9d4de2 221 * @}
<> 154:37f96f9d4de2 222 */
<> 154:37f96f9d4de2 223
<> 154:37f96f9d4de2 224 #endif /* defined (EXTI) */
<> 154:37f96f9d4de2 225
<> 154:37f96f9d4de2 226 /**
<> 154:37f96f9d4de2 227 * @}
<> 154:37f96f9d4de2 228 */
<> 154:37f96f9d4de2 229
<> 154:37f96f9d4de2 230 #endif /* USE_FULL_LL_DRIVER */
<> 154:37f96f9d4de2 231
<> 154:37f96f9d4de2 232 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/