Initial commit
mbed-dev-master/targets/TARGET_STM/TARGET_STM32F4/device/stm32f4xx_ll_exti.c@0:bb348c97df44, 2020-09-16 (annotated)
- Committer:
- lypinator
- Date:
- Wed Sep 16 01:11:49 2020 +0000
- Revision:
- 0:bb348c97df44
Added PWM
Who changed what in which revision?
User | Revision | Line number | New contents of line |
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lypinator | 0:bb348c97df44 | 1 | /** |
lypinator | 0:bb348c97df44 | 2 | ****************************************************************************** |
lypinator | 0:bb348c97df44 | 3 | * @file stm32f4xx_ll_exti.c |
lypinator | 0:bb348c97df44 | 4 | * @author MCD Application Team |
lypinator | 0:bb348c97df44 | 5 | * @brief EXTI LL module driver. |
lypinator | 0:bb348c97df44 | 6 | ****************************************************************************** |
lypinator | 0:bb348c97df44 | 7 | * @attention |
lypinator | 0:bb348c97df44 | 8 | * |
lypinator | 0:bb348c97df44 | 9 | * <h2><center>© COPYRIGHT(c) 2017 STMicroelectronics</center></h2> |
lypinator | 0:bb348c97df44 | 10 | * |
lypinator | 0:bb348c97df44 | 11 | * Redistribution and use in source and binary forms, with or without modification, |
lypinator | 0:bb348c97df44 | 12 | * are permitted provided that the following conditions are met: |
lypinator | 0:bb348c97df44 | 13 | * 1. Redistributions of source code must retain the above copyright notice, |
lypinator | 0:bb348c97df44 | 14 | * this list of conditions and the following disclaimer. |
lypinator | 0:bb348c97df44 | 15 | * 2. Redistributions in binary form must reproduce the above copyright notice, |
lypinator | 0:bb348c97df44 | 16 | * this list of conditions and the following disclaimer in the documentation |
lypinator | 0:bb348c97df44 | 17 | * and/or other materials provided with the distribution. |
lypinator | 0:bb348c97df44 | 18 | * 3. Neither the name of STMicroelectronics nor the names of its contributors |
lypinator | 0:bb348c97df44 | 19 | * may be used to endorse or promote products derived from this software |
lypinator | 0:bb348c97df44 | 20 | * without specific prior written permission. |
lypinator | 0:bb348c97df44 | 21 | * |
lypinator | 0:bb348c97df44 | 22 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
lypinator | 0:bb348c97df44 | 23 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
lypinator | 0:bb348c97df44 | 24 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
lypinator | 0:bb348c97df44 | 25 | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
lypinator | 0:bb348c97df44 | 26 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
lypinator | 0:bb348c97df44 | 27 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
lypinator | 0:bb348c97df44 | 28 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
lypinator | 0:bb348c97df44 | 29 | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
lypinator | 0:bb348c97df44 | 30 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
lypinator | 0:bb348c97df44 | 31 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
lypinator | 0:bb348c97df44 | 32 | * |
lypinator | 0:bb348c97df44 | 33 | ****************************************************************************** |
lypinator | 0:bb348c97df44 | 34 | */ |
lypinator | 0:bb348c97df44 | 35 | #if defined(USE_FULL_LL_DRIVER) |
lypinator | 0:bb348c97df44 | 36 | |
lypinator | 0:bb348c97df44 | 37 | /* Includes ------------------------------------------------------------------*/ |
lypinator | 0:bb348c97df44 | 38 | #include "stm32f4xx_ll_exti.h" |
lypinator | 0:bb348c97df44 | 39 | #ifdef USE_FULL_ASSERT |
lypinator | 0:bb348c97df44 | 40 | #include "stm32_assert.h" |
lypinator | 0:bb348c97df44 | 41 | #else |
lypinator | 0:bb348c97df44 | 42 | #define assert_param(expr) ((void)0U) |
lypinator | 0:bb348c97df44 | 43 | #endif |
lypinator | 0:bb348c97df44 | 44 | |
lypinator | 0:bb348c97df44 | 45 | /** @addtogroup STM32F4xx_LL_Driver |
lypinator | 0:bb348c97df44 | 46 | * @{ |
lypinator | 0:bb348c97df44 | 47 | */ |
lypinator | 0:bb348c97df44 | 48 | |
lypinator | 0:bb348c97df44 | 49 | #if defined (EXTI) |
lypinator | 0:bb348c97df44 | 50 | |
lypinator | 0:bb348c97df44 | 51 | /** @defgroup EXTI_LL EXTI |
lypinator | 0:bb348c97df44 | 52 | * @{ |
lypinator | 0:bb348c97df44 | 53 | */ |
lypinator | 0:bb348c97df44 | 54 | |
lypinator | 0:bb348c97df44 | 55 | /* Private types -------------------------------------------------------------*/ |
lypinator | 0:bb348c97df44 | 56 | /* Private variables ---------------------------------------------------------*/ |
lypinator | 0:bb348c97df44 | 57 | /* Private constants ---------------------------------------------------------*/ |
lypinator | 0:bb348c97df44 | 58 | /* Private macros ------------------------------------------------------------*/ |
lypinator | 0:bb348c97df44 | 59 | /** @addtogroup EXTI_LL_Private_Macros |
lypinator | 0:bb348c97df44 | 60 | * @{ |
lypinator | 0:bb348c97df44 | 61 | */ |
lypinator | 0:bb348c97df44 | 62 | |
lypinator | 0:bb348c97df44 | 63 | #define IS_LL_EXTI_LINE_0_31(__VALUE__) (((__VALUE__) & ~LL_EXTI_LINE_ALL_0_31) == 0x00000000U) |
lypinator | 0:bb348c97df44 | 64 | |
lypinator | 0:bb348c97df44 | 65 | #define IS_LL_EXTI_MODE(__VALUE__) (((__VALUE__) == LL_EXTI_MODE_IT) \ |
lypinator | 0:bb348c97df44 | 66 | || ((__VALUE__) == LL_EXTI_MODE_EVENT) \ |
lypinator | 0:bb348c97df44 | 67 | || ((__VALUE__) == LL_EXTI_MODE_IT_EVENT)) |
lypinator | 0:bb348c97df44 | 68 | |
lypinator | 0:bb348c97df44 | 69 | |
lypinator | 0:bb348c97df44 | 70 | #define IS_LL_EXTI_TRIGGER(__VALUE__) (((__VALUE__) == LL_EXTI_TRIGGER_NONE) \ |
lypinator | 0:bb348c97df44 | 71 | || ((__VALUE__) == LL_EXTI_TRIGGER_RISING) \ |
lypinator | 0:bb348c97df44 | 72 | || ((__VALUE__) == LL_EXTI_TRIGGER_FALLING) \ |
lypinator | 0:bb348c97df44 | 73 | || ((__VALUE__) == LL_EXTI_TRIGGER_RISING_FALLING)) |
lypinator | 0:bb348c97df44 | 74 | |
lypinator | 0:bb348c97df44 | 75 | /** |
lypinator | 0:bb348c97df44 | 76 | * @} |
lypinator | 0:bb348c97df44 | 77 | */ |
lypinator | 0:bb348c97df44 | 78 | |
lypinator | 0:bb348c97df44 | 79 | /* Private function prototypes -----------------------------------------------*/ |
lypinator | 0:bb348c97df44 | 80 | |
lypinator | 0:bb348c97df44 | 81 | /* Exported functions --------------------------------------------------------*/ |
lypinator | 0:bb348c97df44 | 82 | /** @addtogroup EXTI_LL_Exported_Functions |
lypinator | 0:bb348c97df44 | 83 | * @{ |
lypinator | 0:bb348c97df44 | 84 | */ |
lypinator | 0:bb348c97df44 | 85 | |
lypinator | 0:bb348c97df44 | 86 | /** @addtogroup EXTI_LL_EF_Init |
lypinator | 0:bb348c97df44 | 87 | * @{ |
lypinator | 0:bb348c97df44 | 88 | */ |
lypinator | 0:bb348c97df44 | 89 | |
lypinator | 0:bb348c97df44 | 90 | /** |
lypinator | 0:bb348c97df44 | 91 | * @brief De-initialize the EXTI registers to their default reset values. |
lypinator | 0:bb348c97df44 | 92 | * @retval An ErrorStatus enumeration value: |
lypinator | 0:bb348c97df44 | 93 | * - SUCCESS: EXTI registers are de-initialized |
lypinator | 0:bb348c97df44 | 94 | * - ERROR: not applicable |
lypinator | 0:bb348c97df44 | 95 | */ |
lypinator | 0:bb348c97df44 | 96 | uint32_t LL_EXTI_DeInit(void) |
lypinator | 0:bb348c97df44 | 97 | { |
lypinator | 0:bb348c97df44 | 98 | /* Interrupt mask register set to default reset values */ |
lypinator | 0:bb348c97df44 | 99 | LL_EXTI_WriteReg(IMR, 0x00000000U); |
lypinator | 0:bb348c97df44 | 100 | /* Event mask register set to default reset values */ |
lypinator | 0:bb348c97df44 | 101 | LL_EXTI_WriteReg(EMR, 0x00000000U); |
lypinator | 0:bb348c97df44 | 102 | /* Rising Trigger selection register set to default reset values */ |
lypinator | 0:bb348c97df44 | 103 | LL_EXTI_WriteReg(RTSR, 0x00000000U); |
lypinator | 0:bb348c97df44 | 104 | /* Falling Trigger selection register set to default reset values */ |
lypinator | 0:bb348c97df44 | 105 | LL_EXTI_WriteReg(FTSR, 0x00000000U); |
lypinator | 0:bb348c97df44 | 106 | /* Software interrupt event register set to default reset values */ |
lypinator | 0:bb348c97df44 | 107 | LL_EXTI_WriteReg(SWIER, 0x00000000U); |
lypinator | 0:bb348c97df44 | 108 | /* Pending register set to default reset values */ |
lypinator | 0:bb348c97df44 | 109 | LL_EXTI_WriteReg(PR, 0x00FFFFFFU); |
lypinator | 0:bb348c97df44 | 110 | |
lypinator | 0:bb348c97df44 | 111 | return SUCCESS; |
lypinator | 0:bb348c97df44 | 112 | } |
lypinator | 0:bb348c97df44 | 113 | |
lypinator | 0:bb348c97df44 | 114 | /** |
lypinator | 0:bb348c97df44 | 115 | * @brief Initialize the EXTI registers according to the specified parameters in EXTI_InitStruct. |
lypinator | 0:bb348c97df44 | 116 | * @param EXTI_InitStruct pointer to a @ref LL_EXTI_InitTypeDef structure. |
lypinator | 0:bb348c97df44 | 117 | * @retval An ErrorStatus enumeration value: |
lypinator | 0:bb348c97df44 | 118 | * - SUCCESS: EXTI registers are initialized |
lypinator | 0:bb348c97df44 | 119 | * - ERROR: not applicable |
lypinator | 0:bb348c97df44 | 120 | */ |
lypinator | 0:bb348c97df44 | 121 | uint32_t LL_EXTI_Init(LL_EXTI_InitTypeDef *EXTI_InitStruct) |
lypinator | 0:bb348c97df44 | 122 | { |
lypinator | 0:bb348c97df44 | 123 | ErrorStatus status = SUCCESS; |
lypinator | 0:bb348c97df44 | 124 | /* Check the parameters */ |
lypinator | 0:bb348c97df44 | 125 | assert_param(IS_LL_EXTI_LINE_0_31(EXTI_InitStruct->Line_0_31)); |
lypinator | 0:bb348c97df44 | 126 | assert_param(IS_FUNCTIONAL_STATE(EXTI_InitStruct->LineCommand)); |
lypinator | 0:bb348c97df44 | 127 | assert_param(IS_LL_EXTI_MODE(EXTI_InitStruct->Mode)); |
lypinator | 0:bb348c97df44 | 128 | |
lypinator | 0:bb348c97df44 | 129 | /* ENABLE LineCommand */ |
lypinator | 0:bb348c97df44 | 130 | if (EXTI_InitStruct->LineCommand != DISABLE) |
lypinator | 0:bb348c97df44 | 131 | { |
lypinator | 0:bb348c97df44 | 132 | assert_param(IS_LL_EXTI_TRIGGER(EXTI_InitStruct->Trigger)); |
lypinator | 0:bb348c97df44 | 133 | |
lypinator | 0:bb348c97df44 | 134 | /* Configure EXTI Lines in range from 0 to 31 */ |
lypinator | 0:bb348c97df44 | 135 | if (EXTI_InitStruct->Line_0_31 != LL_EXTI_LINE_NONE) |
lypinator | 0:bb348c97df44 | 136 | { |
lypinator | 0:bb348c97df44 | 137 | switch (EXTI_InitStruct->Mode) |
lypinator | 0:bb348c97df44 | 138 | { |
lypinator | 0:bb348c97df44 | 139 | case LL_EXTI_MODE_IT: |
lypinator | 0:bb348c97df44 | 140 | /* First Disable Event on provided Lines */ |
lypinator | 0:bb348c97df44 | 141 | LL_EXTI_DisableEvent_0_31(EXTI_InitStruct->Line_0_31); |
lypinator | 0:bb348c97df44 | 142 | /* Then Enable IT on provided Lines */ |
lypinator | 0:bb348c97df44 | 143 | LL_EXTI_EnableIT_0_31(EXTI_InitStruct->Line_0_31); |
lypinator | 0:bb348c97df44 | 144 | break; |
lypinator | 0:bb348c97df44 | 145 | case LL_EXTI_MODE_EVENT: |
lypinator | 0:bb348c97df44 | 146 | /* First Disable IT on provided Lines */ |
lypinator | 0:bb348c97df44 | 147 | LL_EXTI_DisableIT_0_31(EXTI_InitStruct->Line_0_31); |
lypinator | 0:bb348c97df44 | 148 | /* Then Enable Event on provided Lines */ |
lypinator | 0:bb348c97df44 | 149 | LL_EXTI_EnableEvent_0_31(EXTI_InitStruct->Line_0_31); |
lypinator | 0:bb348c97df44 | 150 | break; |
lypinator | 0:bb348c97df44 | 151 | case LL_EXTI_MODE_IT_EVENT: |
lypinator | 0:bb348c97df44 | 152 | /* Directly Enable IT & Event on provided Lines */ |
lypinator | 0:bb348c97df44 | 153 | LL_EXTI_EnableIT_0_31(EXTI_InitStruct->Line_0_31); |
lypinator | 0:bb348c97df44 | 154 | LL_EXTI_EnableEvent_0_31(EXTI_InitStruct->Line_0_31); |
lypinator | 0:bb348c97df44 | 155 | break; |
lypinator | 0:bb348c97df44 | 156 | default: |
lypinator | 0:bb348c97df44 | 157 | status = ERROR; |
lypinator | 0:bb348c97df44 | 158 | break; |
lypinator | 0:bb348c97df44 | 159 | } |
lypinator | 0:bb348c97df44 | 160 | if (EXTI_InitStruct->Trigger != LL_EXTI_TRIGGER_NONE) |
lypinator | 0:bb348c97df44 | 161 | { |
lypinator | 0:bb348c97df44 | 162 | switch (EXTI_InitStruct->Trigger) |
lypinator | 0:bb348c97df44 | 163 | { |
lypinator | 0:bb348c97df44 | 164 | case LL_EXTI_TRIGGER_RISING: |
lypinator | 0:bb348c97df44 | 165 | /* First Disable Falling Trigger on provided Lines */ |
lypinator | 0:bb348c97df44 | 166 | LL_EXTI_DisableFallingTrig_0_31(EXTI_InitStruct->Line_0_31); |
lypinator | 0:bb348c97df44 | 167 | /* Then Enable Rising Trigger on provided Lines */ |
lypinator | 0:bb348c97df44 | 168 | LL_EXTI_EnableRisingTrig_0_31(EXTI_InitStruct->Line_0_31); |
lypinator | 0:bb348c97df44 | 169 | break; |
lypinator | 0:bb348c97df44 | 170 | case LL_EXTI_TRIGGER_FALLING: |
lypinator | 0:bb348c97df44 | 171 | /* First Disable Rising Trigger on provided Lines */ |
lypinator | 0:bb348c97df44 | 172 | LL_EXTI_DisableRisingTrig_0_31(EXTI_InitStruct->Line_0_31); |
lypinator | 0:bb348c97df44 | 173 | /* Then Enable Falling Trigger on provided Lines */ |
lypinator | 0:bb348c97df44 | 174 | LL_EXTI_EnableFallingTrig_0_31(EXTI_InitStruct->Line_0_31); |
lypinator | 0:bb348c97df44 | 175 | break; |
lypinator | 0:bb348c97df44 | 176 | case LL_EXTI_TRIGGER_RISING_FALLING: |
lypinator | 0:bb348c97df44 | 177 | LL_EXTI_EnableRisingTrig_0_31(EXTI_InitStruct->Line_0_31); |
lypinator | 0:bb348c97df44 | 178 | LL_EXTI_EnableFallingTrig_0_31(EXTI_InitStruct->Line_0_31); |
lypinator | 0:bb348c97df44 | 179 | break; |
lypinator | 0:bb348c97df44 | 180 | default: |
lypinator | 0:bb348c97df44 | 181 | status = ERROR; |
lypinator | 0:bb348c97df44 | 182 | break; |
lypinator | 0:bb348c97df44 | 183 | } |
lypinator | 0:bb348c97df44 | 184 | } |
lypinator | 0:bb348c97df44 | 185 | } |
lypinator | 0:bb348c97df44 | 186 | } |
lypinator | 0:bb348c97df44 | 187 | /* DISABLE LineCommand */ |
lypinator | 0:bb348c97df44 | 188 | else |
lypinator | 0:bb348c97df44 | 189 | { |
lypinator | 0:bb348c97df44 | 190 | /* De-configure EXTI Lines in range from 0 to 31 */ |
lypinator | 0:bb348c97df44 | 191 | LL_EXTI_DisableIT_0_31(EXTI_InitStruct->Line_0_31); |
lypinator | 0:bb348c97df44 | 192 | LL_EXTI_DisableEvent_0_31(EXTI_InitStruct->Line_0_31); |
lypinator | 0:bb348c97df44 | 193 | } |
lypinator | 0:bb348c97df44 | 194 | return status; |
lypinator | 0:bb348c97df44 | 195 | } |
lypinator | 0:bb348c97df44 | 196 | |
lypinator | 0:bb348c97df44 | 197 | /** |
lypinator | 0:bb348c97df44 | 198 | * @brief Set each @ref LL_EXTI_InitTypeDef field to default value. |
lypinator | 0:bb348c97df44 | 199 | * @param EXTI_InitStruct Pointer to a @ref LL_EXTI_InitTypeDef structure. |
lypinator | 0:bb348c97df44 | 200 | * @retval None |
lypinator | 0:bb348c97df44 | 201 | */ |
lypinator | 0:bb348c97df44 | 202 | void LL_EXTI_StructInit(LL_EXTI_InitTypeDef *EXTI_InitStruct) |
lypinator | 0:bb348c97df44 | 203 | { |
lypinator | 0:bb348c97df44 | 204 | EXTI_InitStruct->Line_0_31 = LL_EXTI_LINE_NONE; |
lypinator | 0:bb348c97df44 | 205 | EXTI_InitStruct->LineCommand = DISABLE; |
lypinator | 0:bb348c97df44 | 206 | EXTI_InitStruct->Mode = LL_EXTI_MODE_IT; |
lypinator | 0:bb348c97df44 | 207 | EXTI_InitStruct->Trigger = LL_EXTI_TRIGGER_FALLING; |
lypinator | 0:bb348c97df44 | 208 | } |
lypinator | 0:bb348c97df44 | 209 | |
lypinator | 0:bb348c97df44 | 210 | /** |
lypinator | 0:bb348c97df44 | 211 | * @} |
lypinator | 0:bb348c97df44 | 212 | */ |
lypinator | 0:bb348c97df44 | 213 | |
lypinator | 0:bb348c97df44 | 214 | /** |
lypinator | 0:bb348c97df44 | 215 | * @} |
lypinator | 0:bb348c97df44 | 216 | */ |
lypinator | 0:bb348c97df44 | 217 | |
lypinator | 0:bb348c97df44 | 218 | /** |
lypinator | 0:bb348c97df44 | 219 | * @} |
lypinator | 0:bb348c97df44 | 220 | */ |
lypinator | 0:bb348c97df44 | 221 | |
lypinator | 0:bb348c97df44 | 222 | #endif /* defined (EXTI) */ |
lypinator | 0:bb348c97df44 | 223 | |
lypinator | 0:bb348c97df44 | 224 | /** |
lypinator | 0:bb348c97df44 | 225 | * @} |
lypinator | 0:bb348c97df44 | 226 | */ |
lypinator | 0:bb348c97df44 | 227 | |
lypinator | 0:bb348c97df44 | 228 | #endif /* USE_FULL_LL_DRIVER */ |
lypinator | 0:bb348c97df44 | 229 | |
lypinator | 0:bb348c97df44 | 230 | /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |