mbed library sources. Supersedes mbed-src.
Dependents: Nucleo_Hello_Encoder BLE_iBeaconScan AM1805_DEMO DISCO-F429ZI_ExportTemplate1 ... more
targets/TARGET_STM/TARGET_STM32F0/device/stm32f0xx_ll_exti.c@180:96ed750bd169, 2018-01-17 (annotated)
- Committer:
- Anna Bridge
- Date:
- Wed Jan 17 15:23:54 2018 +0000
- Revision:
- 180:96ed750bd169
- Parent:
- 156:95d6b41a828b
mbed-dev libray. Release version 158
Who changed what in which revision?
User | Revision | Line number | New contents of line |
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<> | 156:95d6b41a828b | 1 | /** |
<> | 156:95d6b41a828b | 2 | ****************************************************************************** |
<> | 156:95d6b41a828b | 3 | * @file stm32f0xx_ll_exti.c |
<> | 156:95d6b41a828b | 4 | * @author MCD Application Team |
<> | 156:95d6b41a828b | 5 | * @brief EXTI LL module driver. |
<> | 156:95d6b41a828b | 6 | ****************************************************************************** |
<> | 156:95d6b41a828b | 7 | * @attention |
<> | 156:95d6b41a828b | 8 | * |
<> | 156:95d6b41a828b | 9 | * <h2><center>© COPYRIGHT(c) 2016 STMicroelectronics</center></h2> |
<> | 156:95d6b41a828b | 10 | * |
<> | 156:95d6b41a828b | 11 | * Redistribution and use in source and binary forms, with or without modification, |
<> | 156:95d6b41a828b | 12 | * are permitted provided that the following conditions are met: |
<> | 156:95d6b41a828b | 13 | * 1. Redistributions of source code must retain the above copyright notice, |
<> | 156:95d6b41a828b | 14 | * this list of conditions and the following disclaimer. |
<> | 156:95d6b41a828b | 15 | * 2. Redistributions in binary form must reproduce the above copyright notice, |
<> | 156:95d6b41a828b | 16 | * this list of conditions and the following disclaimer in the documentation |
<> | 156:95d6b41a828b | 17 | * and/or other materials provided with the distribution. |
<> | 156:95d6b41a828b | 18 | * 3. Neither the name of STMicroelectronics nor the names of its contributors |
<> | 156:95d6b41a828b | 19 | * may be used to endorse or promote products derived from this software |
<> | 156:95d6b41a828b | 20 | * without specific prior written permission. |
<> | 156:95d6b41a828b | 21 | * |
<> | 156:95d6b41a828b | 22 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
<> | 156:95d6b41a828b | 23 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
<> | 156:95d6b41a828b | 24 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
<> | 156:95d6b41a828b | 25 | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
<> | 156:95d6b41a828b | 26 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
<> | 156:95d6b41a828b | 27 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
<> | 156:95d6b41a828b | 28 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
<> | 156:95d6b41a828b | 29 | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
<> | 156:95d6b41a828b | 30 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
<> | 156:95d6b41a828b | 31 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
<> | 156:95d6b41a828b | 32 | * |
<> | 156:95d6b41a828b | 33 | ****************************************************************************** |
<> | 156:95d6b41a828b | 34 | */ |
<> | 156:95d6b41a828b | 35 | #if defined(USE_FULL_LL_DRIVER) |
<> | 156:95d6b41a828b | 36 | |
<> | 156:95d6b41a828b | 37 | /* Includes ------------------------------------------------------------------*/ |
<> | 156:95d6b41a828b | 38 | #include "stm32f0xx_ll_exti.h" |
<> | 156:95d6b41a828b | 39 | #ifdef USE_FULL_ASSERT |
<> | 156:95d6b41a828b | 40 | #include "stm32_assert.h" |
<> | 156:95d6b41a828b | 41 | #else |
<> | 156:95d6b41a828b | 42 | #define assert_param(expr) ((void)0U) |
<> | 156:95d6b41a828b | 43 | #endif |
<> | 156:95d6b41a828b | 44 | |
<> | 156:95d6b41a828b | 45 | /** @addtogroup STM32F0xx_LL_Driver |
<> | 156:95d6b41a828b | 46 | * @{ |
<> | 156:95d6b41a828b | 47 | */ |
<> | 156:95d6b41a828b | 48 | |
<> | 156:95d6b41a828b | 49 | #if defined (EXTI) |
<> | 156:95d6b41a828b | 50 | |
<> | 156:95d6b41a828b | 51 | /** @defgroup EXTI_LL EXTI |
<> | 156:95d6b41a828b | 52 | * @{ |
<> | 156:95d6b41a828b | 53 | */ |
<> | 156:95d6b41a828b | 54 | |
<> | 156:95d6b41a828b | 55 | /* Private types -------------------------------------------------------------*/ |
<> | 156:95d6b41a828b | 56 | /* Private variables ---------------------------------------------------------*/ |
<> | 156:95d6b41a828b | 57 | /* Private constants ---------------------------------------------------------*/ |
<> | 156:95d6b41a828b | 58 | /* Private macros ------------------------------------------------------------*/ |
<> | 156:95d6b41a828b | 59 | /** @addtogroup EXTI_LL_Private_Macros |
<> | 156:95d6b41a828b | 60 | * @{ |
<> | 156:95d6b41a828b | 61 | */ |
<> | 156:95d6b41a828b | 62 | |
<> | 156:95d6b41a828b | 63 | #define IS_LL_EXTI_LINE_0_31(__VALUE__) (((__VALUE__) & ~LL_EXTI_LINE_ALL_0_31) == 0x00000000U) |
<> | 156:95d6b41a828b | 64 | |
<> | 156:95d6b41a828b | 65 | #define IS_LL_EXTI_MODE(__VALUE__) (((__VALUE__) == LL_EXTI_MODE_IT) \ |
<> | 156:95d6b41a828b | 66 | || ((__VALUE__) == LL_EXTI_MODE_EVENT) \ |
<> | 156:95d6b41a828b | 67 | || ((__VALUE__) == LL_EXTI_MODE_IT_EVENT)) |
<> | 156:95d6b41a828b | 68 | |
<> | 156:95d6b41a828b | 69 | |
<> | 156:95d6b41a828b | 70 | #define IS_LL_EXTI_TRIGGER(__VALUE__) (((__VALUE__) == LL_EXTI_TRIGGER_NONE) \ |
<> | 156:95d6b41a828b | 71 | || ((__VALUE__) == LL_EXTI_TRIGGER_RISING) \ |
<> | 156:95d6b41a828b | 72 | || ((__VALUE__) == LL_EXTI_TRIGGER_FALLING) \ |
<> | 156:95d6b41a828b | 73 | || ((__VALUE__) == LL_EXTI_TRIGGER_RISING_FALLING)) |
<> | 156:95d6b41a828b | 74 | |
<> | 156:95d6b41a828b | 75 | /** |
<> | 156:95d6b41a828b | 76 | * @} |
<> | 156:95d6b41a828b | 77 | */ |
<> | 156:95d6b41a828b | 78 | |
<> | 156:95d6b41a828b | 79 | /* Private function prototypes -----------------------------------------------*/ |
<> | 156:95d6b41a828b | 80 | |
<> | 156:95d6b41a828b | 81 | /* Exported functions --------------------------------------------------------*/ |
<> | 156:95d6b41a828b | 82 | /** @addtogroup EXTI_LL_Exported_Functions |
<> | 156:95d6b41a828b | 83 | * @{ |
<> | 156:95d6b41a828b | 84 | */ |
<> | 156:95d6b41a828b | 85 | |
<> | 156:95d6b41a828b | 86 | /** @addtogroup EXTI_LL_EF_Init |
<> | 156:95d6b41a828b | 87 | * @{ |
<> | 156:95d6b41a828b | 88 | */ |
<> | 156:95d6b41a828b | 89 | |
<> | 156:95d6b41a828b | 90 | /** |
<> | 156:95d6b41a828b | 91 | * @brief De-initialize the EXTI registers to their default reset values. |
<> | 156:95d6b41a828b | 92 | * @retval An ErrorStatus enumeration value: |
<> | 156:95d6b41a828b | 93 | * - SUCCESS: EXTI registers are de-initialized |
<> | 156:95d6b41a828b | 94 | * - ERROR: not applicable |
<> | 156:95d6b41a828b | 95 | */ |
<> | 156:95d6b41a828b | 96 | uint32_t LL_EXTI_DeInit(void) |
<> | 156:95d6b41a828b | 97 | { |
<> | 156:95d6b41a828b | 98 | /* Interrupt mask register set to default reset values */ |
<> | 156:95d6b41a828b | 99 | #if defined(STM32F030x6) || defined(STM32F031x6) ||defined(STM32F038xx) |
<> | 156:95d6b41a828b | 100 | LL_EXTI_WriteReg(IMR, 0x0FF40000U); |
<> | 156:95d6b41a828b | 101 | #elif defined(STM32F070x6) || defined(STM32F042x6) || defined(STM32F048xx) |
<> | 156:95d6b41a828b | 102 | LL_EXTI_WriteReg(IMR, 0x7FF40000U); |
<> | 156:95d6b41a828b | 103 | #elif defined(STM32F030x8) || defined(STM32F051x8) || defined(STM32F058xx) |
<> | 156:95d6b41a828b | 104 | LL_EXTI_WriteReg(IMR, 0x0F940000U); |
<> | 156:95d6b41a828b | 105 | #else |
<> | 156:95d6b41a828b | 106 | LL_EXTI_WriteReg(IMR, 0x7F840000U); |
<> | 156:95d6b41a828b | 107 | #endif |
<> | 156:95d6b41a828b | 108 | /* Event mask register set to default reset values */ |
<> | 156:95d6b41a828b | 109 | LL_EXTI_WriteReg(EMR, 0x00000000U); |
<> | 156:95d6b41a828b | 110 | /* Rising Trigger selection register set to default reset values */ |
<> | 156:95d6b41a828b | 111 | LL_EXTI_WriteReg(RTSR, 0x00000000U); |
<> | 156:95d6b41a828b | 112 | /* Falling Trigger selection register set to default reset values */ |
<> | 156:95d6b41a828b | 113 | LL_EXTI_WriteReg(FTSR, 0x00000000U); |
<> | 156:95d6b41a828b | 114 | /* Software interrupt event register set to default reset values */ |
<> | 156:95d6b41a828b | 115 | LL_EXTI_WriteReg(SWIER, 0x00000000U); |
Anna Bridge |
180:96ed750bd169 | 116 | /* Pending register clear */ |
<> | 156:95d6b41a828b | 117 | LL_EXTI_WriteReg(PR, 0x007BFFFFU); |
<> | 156:95d6b41a828b | 118 | |
<> | 156:95d6b41a828b | 119 | return SUCCESS; |
<> | 156:95d6b41a828b | 120 | } |
<> | 156:95d6b41a828b | 121 | |
<> | 156:95d6b41a828b | 122 | /** |
<> | 156:95d6b41a828b | 123 | * @brief Initialize the EXTI registers according to the specified parameters in EXTI_InitStruct. |
<> | 156:95d6b41a828b | 124 | * @param EXTI_InitStruct pointer to a @ref LL_EXTI_InitTypeDef structure. |
<> | 156:95d6b41a828b | 125 | * @retval An ErrorStatus enumeration value: |
<> | 156:95d6b41a828b | 126 | * - SUCCESS: EXTI registers are initialized |
<> | 156:95d6b41a828b | 127 | * - ERROR: not applicable |
<> | 156:95d6b41a828b | 128 | */ |
<> | 156:95d6b41a828b | 129 | uint32_t LL_EXTI_Init(LL_EXTI_InitTypeDef *EXTI_InitStruct) |
<> | 156:95d6b41a828b | 130 | { |
<> | 156:95d6b41a828b | 131 | ErrorStatus status = SUCCESS; |
<> | 156:95d6b41a828b | 132 | /* Check the parameters */ |
<> | 156:95d6b41a828b | 133 | assert_param(IS_LL_EXTI_LINE_0_31(EXTI_InitStruct->Line_0_31)); |
<> | 156:95d6b41a828b | 134 | assert_param(IS_FUNCTIONAL_STATE(EXTI_InitStruct->LineCommand)); |
<> | 156:95d6b41a828b | 135 | assert_param(IS_LL_EXTI_MODE(EXTI_InitStruct->Mode)); |
<> | 156:95d6b41a828b | 136 | |
<> | 156:95d6b41a828b | 137 | /* ENABLE LineCommand */ |
<> | 156:95d6b41a828b | 138 | if (EXTI_InitStruct->LineCommand != DISABLE) |
<> | 156:95d6b41a828b | 139 | { |
<> | 156:95d6b41a828b | 140 | assert_param(IS_LL_EXTI_TRIGGER(EXTI_InitStruct->Trigger)); |
<> | 156:95d6b41a828b | 141 | |
<> | 156:95d6b41a828b | 142 | /* Configure EXTI Lines in range from 0 to 31 */ |
<> | 156:95d6b41a828b | 143 | if (EXTI_InitStruct->Line_0_31 != LL_EXTI_LINE_NONE) |
<> | 156:95d6b41a828b | 144 | { |
<> | 156:95d6b41a828b | 145 | switch (EXTI_InitStruct->Mode) |
<> | 156:95d6b41a828b | 146 | { |
<> | 156:95d6b41a828b | 147 | case LL_EXTI_MODE_IT: |
<> | 156:95d6b41a828b | 148 | /* First Disable Event on provided Lines */ |
<> | 156:95d6b41a828b | 149 | LL_EXTI_DisableEvent_0_31(EXTI_InitStruct->Line_0_31); |
<> | 156:95d6b41a828b | 150 | /* Then Enable IT on provided Lines */ |
<> | 156:95d6b41a828b | 151 | LL_EXTI_EnableIT_0_31(EXTI_InitStruct->Line_0_31); |
<> | 156:95d6b41a828b | 152 | break; |
<> | 156:95d6b41a828b | 153 | case LL_EXTI_MODE_EVENT: |
<> | 156:95d6b41a828b | 154 | /* First Disable IT on provided Lines */ |
<> | 156:95d6b41a828b | 155 | LL_EXTI_DisableIT_0_31(EXTI_InitStruct->Line_0_31); |
<> | 156:95d6b41a828b | 156 | /* Then Enable Event on provided Lines */ |
<> | 156:95d6b41a828b | 157 | LL_EXTI_EnableEvent_0_31(EXTI_InitStruct->Line_0_31); |
<> | 156:95d6b41a828b | 158 | break; |
<> | 156:95d6b41a828b | 159 | case LL_EXTI_MODE_IT_EVENT: |
<> | 156:95d6b41a828b | 160 | /* Directly Enable IT & Event on provided Lines */ |
<> | 156:95d6b41a828b | 161 | LL_EXTI_EnableIT_0_31(EXTI_InitStruct->Line_0_31); |
<> | 156:95d6b41a828b | 162 | LL_EXTI_EnableEvent_0_31(EXTI_InitStruct->Line_0_31); |
<> | 156:95d6b41a828b | 163 | break; |
<> | 156:95d6b41a828b | 164 | default: |
<> | 156:95d6b41a828b | 165 | status = ERROR; |
<> | 156:95d6b41a828b | 166 | break; |
<> | 156:95d6b41a828b | 167 | } |
<> | 156:95d6b41a828b | 168 | if (EXTI_InitStruct->Trigger != LL_EXTI_TRIGGER_NONE) |
<> | 156:95d6b41a828b | 169 | { |
<> | 156:95d6b41a828b | 170 | switch (EXTI_InitStruct->Trigger) |
<> | 156:95d6b41a828b | 171 | { |
<> | 156:95d6b41a828b | 172 | case LL_EXTI_TRIGGER_RISING: |
<> | 156:95d6b41a828b | 173 | /* First Disable Falling Trigger on provided Lines */ |
<> | 156:95d6b41a828b | 174 | LL_EXTI_DisableFallingTrig_0_31(EXTI_InitStruct->Line_0_31); |
<> | 156:95d6b41a828b | 175 | /* Then Enable Rising Trigger on provided Lines */ |
<> | 156:95d6b41a828b | 176 | LL_EXTI_EnableRisingTrig_0_31(EXTI_InitStruct->Line_0_31); |
<> | 156:95d6b41a828b | 177 | break; |
<> | 156:95d6b41a828b | 178 | case LL_EXTI_TRIGGER_FALLING: |
<> | 156:95d6b41a828b | 179 | /* First Disable Rising Trigger on provided Lines */ |
<> | 156:95d6b41a828b | 180 | LL_EXTI_DisableRisingTrig_0_31(EXTI_InitStruct->Line_0_31); |
<> | 156:95d6b41a828b | 181 | /* Then Enable Falling Trigger on provided Lines */ |
<> | 156:95d6b41a828b | 182 | LL_EXTI_EnableFallingTrig_0_31(EXTI_InitStruct->Line_0_31); |
<> | 156:95d6b41a828b | 183 | break; |
<> | 156:95d6b41a828b | 184 | case LL_EXTI_TRIGGER_RISING_FALLING: |
<> | 156:95d6b41a828b | 185 | LL_EXTI_EnableRisingTrig_0_31(EXTI_InitStruct->Line_0_31); |
<> | 156:95d6b41a828b | 186 | LL_EXTI_EnableFallingTrig_0_31(EXTI_InitStruct->Line_0_31); |
<> | 156:95d6b41a828b | 187 | break; |
<> | 156:95d6b41a828b | 188 | default: |
<> | 156:95d6b41a828b | 189 | status = ERROR; |
<> | 156:95d6b41a828b | 190 | break; |
<> | 156:95d6b41a828b | 191 | } |
<> | 156:95d6b41a828b | 192 | } |
<> | 156:95d6b41a828b | 193 | } |
<> | 156:95d6b41a828b | 194 | } |
<> | 156:95d6b41a828b | 195 | /* DISABLE LineCommand */ |
<> | 156:95d6b41a828b | 196 | else |
<> | 156:95d6b41a828b | 197 | { |
<> | 156:95d6b41a828b | 198 | /* De-configure EXTI Lines in range from 0 to 31 */ |
<> | 156:95d6b41a828b | 199 | LL_EXTI_DisableIT_0_31(EXTI_InitStruct->Line_0_31); |
<> | 156:95d6b41a828b | 200 | LL_EXTI_DisableEvent_0_31(EXTI_InitStruct->Line_0_31); |
<> | 156:95d6b41a828b | 201 | } |
<> | 156:95d6b41a828b | 202 | return status; |
<> | 156:95d6b41a828b | 203 | } |
<> | 156:95d6b41a828b | 204 | |
<> | 156:95d6b41a828b | 205 | /** |
<> | 156:95d6b41a828b | 206 | * @brief Set each @ref LL_EXTI_InitTypeDef field to default value. |
<> | 156:95d6b41a828b | 207 | * @param EXTI_InitStruct Pointer to a @ref LL_EXTI_InitTypeDef structure. |
<> | 156:95d6b41a828b | 208 | * @retval None |
<> | 156:95d6b41a828b | 209 | */ |
<> | 156:95d6b41a828b | 210 | void LL_EXTI_StructInit(LL_EXTI_InitTypeDef *EXTI_InitStruct) |
<> | 156:95d6b41a828b | 211 | { |
<> | 156:95d6b41a828b | 212 | EXTI_InitStruct->Line_0_31 = LL_EXTI_LINE_NONE; |
<> | 156:95d6b41a828b | 213 | EXTI_InitStruct->LineCommand = DISABLE; |
<> | 156:95d6b41a828b | 214 | EXTI_InitStruct->Mode = LL_EXTI_MODE_IT; |
<> | 156:95d6b41a828b | 215 | EXTI_InitStruct->Trigger = LL_EXTI_TRIGGER_FALLING; |
<> | 156:95d6b41a828b | 216 | } |
<> | 156:95d6b41a828b | 217 | |
<> | 156:95d6b41a828b | 218 | /** |
<> | 156:95d6b41a828b | 219 | * @} |
<> | 156:95d6b41a828b | 220 | */ |
<> | 156:95d6b41a828b | 221 | |
<> | 156:95d6b41a828b | 222 | /** |
<> | 156:95d6b41a828b | 223 | * @} |
<> | 156:95d6b41a828b | 224 | */ |
<> | 156:95d6b41a828b | 225 | |
<> | 156:95d6b41a828b | 226 | /** |
<> | 156:95d6b41a828b | 227 | * @} |
<> | 156:95d6b41a828b | 228 | */ |
<> | 156:95d6b41a828b | 229 | |
<> | 156:95d6b41a828b | 230 | #endif /* defined (EXTI) */ |
<> | 156:95d6b41a828b | 231 | |
<> | 156:95d6b41a828b | 232 | /** |
<> | 156:95d6b41a828b | 233 | * @} |
<> | 156:95d6b41a828b | 234 | */ |
<> | 156:95d6b41a828b | 235 | |
<> | 156:95d6b41a828b | 236 | #endif /* USE_FULL_LL_DRIVER */ |
<> | 156:95d6b41a828b | 237 | |
<> | 156:95d6b41a828b | 238 | /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |