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annotate Small_CPU/Src/stm32f4xx_hal_msp_v3.c @ 616:a594a778c883
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| author | Ideenmodellierer |
|---|---|
| date | Wed, 27 Jan 2021 21:58:46 +0100 |
| parents | abec171c2c4b |
| children | 1b995079c045 |
| rev | line source |
|---|---|
| 38 | 1 /** |
| 2 ****************************************************************************** | |
| 3 * @file UART/UART_Printf/Src/stm32f4xx_hal_msp.c | |
| 4 * @author MCD Application Team | |
| 5 * @version V1.1.0 | |
| 6 * @date 26-June-2014 | |
| 7 * @brief HAL MSP module. | |
| 8 ****************************************************************************** | |
| 9 * @attention | |
| 10 * | |
| 11 * <h2><center>© COPYRIGHT(c) 2014 STMicroelectronics</center></h2> | |
| 12 * | |
| 13 * Redistribution and use in source and binary forms, with or without modification, | |
| 14 * are permitted provided that the following conditions are met: | |
| 15 * 1. Redistributions of source code must retain the above copyright notice, | |
| 16 * this list of conditions and the following disclaimer. | |
| 17 * 2. Redistributions in binary form must reproduce the above copyright notice, | |
| 18 * this list of conditions and the following disclaimer in the documentation | |
| 19 * and/or other materials provided with the distribution. | |
| 20 * 3. Neither the name of STMicroelectronics nor the names of its contributors | |
| 21 * may be used to endorse or promote products derived from this software | |
| 22 * without specific prior written permission. | |
| 23 * | |
| 24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" | |
| 25 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | |
| 27 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE | |
| 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
| 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR | |
| 30 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER | |
| 31 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, | |
| 32 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 33 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 34 * | |
| 35 ****************************************************************************** | |
| 36 */ | |
| 37 | |
| 38 /* Includes ------------------------------------------------------------------*/ | |
| 39 #include "baseCPU2.h" | |
| 40 | |
| 41 #include "stm32f4xx_hal.h" | |
| 42 | |
| 43 /** @addtogroup STM32F4xx_HAL_Examples | |
| 44 * @{ | |
| 45 */ | |
| 46 | |
| 47 /** @defgroup HAL_MSP | |
| 48 * @brief HAL MSP module. | |
| 49 * @{ | |
| 50 */ | |
| 51 | |
| 52 /* Private typedef -----------------------------------------------------------*/ | |
| 53 /* Private define ------------------------------------------------------------*/ | |
| 54 /* Private macro -------------------------------------------------------------*/ | |
| 55 /* Private variables ---------------------------------------------------------*/ | |
| 56 /* Private function prototypes -----------------------------------------------*/ | |
| 57 /* Private functions ---------------------------------------------------------*/ | |
| 58 | |
| 59 /** @defgroup HAL_MSP_Private_Functions | |
| 60 * @{ | |
| 61 */ | |
| 62 | |
| 63 void HAL_I2C_ManualControl_MspInit(void) | |
| 64 { | |
| 65 GPIO_InitTypeDef GPIO_InitStruct; | |
| 66 | |
| 67 /*##-1- Enable peripherals and GPIO Clocks #################################*/ | |
| 68 /* Enable GPIO TX/RX clock */ | |
| 69 I2Cx_SCL_GPIO_CLK_ENABLE(); | |
| 70 I2Cx_SDA_GPIO_CLK_ENABLE(); | |
| 71 | |
| 72 /*##-2- Configure peripheral GPIO ##########################################*/ | |
| 73 /* I2C CLOCK GPIO pin configuration */ | |
| 74 GPIO_InitStruct.Pin = I2Cx_SCL_PIN; | |
| 75 GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_OD; | |
| 76 GPIO_InitStruct.Pull = GPIO_PULLUP; | |
| 77 GPIO_InitStruct.Speed = GPIO_SPEED_FAST; | |
| 78 | |
| 79 HAL_GPIO_Init(I2Cx_SCL_GPIO_PORT, &GPIO_InitStruct); | |
| 80 | |
| 81 /* I2C DATA GPIO pin configuration */ | |
| 82 GPIO_InitStruct.Pin = I2Cx_SDA_PIN; | |
| 83 GPIO_InitStruct.Alternate = GPIO_MODE_INPUT; | |
| 84 | |
| 85 HAL_GPIO_Init(I2Cx_SDA_GPIO_PORT, &GPIO_InitStruct); | |
| 86 } | |
| 87 | |
| 88 /** | |
| 89 * @brief I2C MSP Initialization | |
| 90 * This function configures the hardware resources used in this example: | |
| 91 * - Peripheral's clock enable | |
| 92 * - Peripheral's GPIO Configuration | |
| 93 * - DMA configuration for transmission request by peripheral | |
| 94 * - NVIC configuration for DMA interrupt request enable | |
| 95 * @param hi2c: I2C handle pointer | |
| 96 * @retval None | |
| 97 */ | |
| 98 void HAL_I2C_MspInit(I2C_HandleTypeDef *hi2c) | |
| 99 { | |
| 100 GPIO_InitTypeDef GPIO_InitStruct; | |
| 101 | |
| 102 /*##-1- Enable peripherals and GPIO Clocks #################################*/ | |
| 103 /* Enable GPIO TX/RX clock */ | |
| 104 I2Cx_SCL_GPIO_CLK_ENABLE(); | |
| 105 I2Cx_SDA_GPIO_CLK_ENABLE(); | |
| 106 /* Enable I2C1 clock */ | |
| 107 I2Cx_CLK_ENABLE(); | |
| 108 | |
| 109 /*##-2- Configure peripheral GPIO ##########################################*/ | |
| 110 /* I2C TX GPIO pin configuration */ | |
| 111 GPIO_InitStruct.Pin = I2Cx_SCL_PIN; | |
| 112 GPIO_InitStruct.Mode = GPIO_MODE_AF_OD; | |
|
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113 GPIO_InitStruct.Pull = GPIO_NOPULL; |
| 38 | 114 GPIO_InitStruct.Speed = GPIO_SPEED_FAST; |
| 115 GPIO_InitStruct.Alternate = I2Cx_SCL_AF; | |
| 116 | |
| 117 HAL_GPIO_Init(I2Cx_SCL_GPIO_PORT, &GPIO_InitStruct); | |
| 118 | |
| 119 /* I2C RX GPIO pin configuration */ | |
| 120 GPIO_InitStruct.Pin = I2Cx_SDA_PIN; | |
| 121 GPIO_InitStruct.Alternate = I2Cx_SDA_AF; | |
| 122 | |
| 123 HAL_GPIO_Init(I2Cx_SDA_GPIO_PORT, &GPIO_InitStruct); | |
| 124 | |
| 125 /*##-3- Configure the NVIC for I2C #########################################*/ | |
| 126 /* NVIC for I2C1 */ | |
|
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127 |
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128 /* The callbacks are not used => no need to activate the interrupts */ |
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129 /* |
| 38 | 130 HAL_NVIC_SetPriority(I2Cx_ER_IRQn, 1, 2); |
| 131 HAL_NVIC_EnableIRQ(I2Cx_ER_IRQn); | |
| 132 HAL_NVIC_SetPriority(I2Cx_EV_IRQn, 1, 3); | |
| 133 HAL_NVIC_EnableIRQ(I2Cx_EV_IRQn); | |
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134 */ |
| 38 | 135 } |
| 136 | |
| 137 /** | |
| 138 * @brief I2C MSP De-Initialization | |
| 139 * This function frees the hardware resources used in this example: | |
| 140 * - Disable the Peripheral's clock | |
| 141 * - Revert GPIO, DMA and NVIC configuration to their default state | |
| 142 * @param hi2c: I2C handle pointer | |
| 143 * @retval None | |
| 144 */ | |
| 145 void HAL_I2C_MspDeInit(I2C_HandleTypeDef *hi2c) | |
| 146 { | |
| 147 /*##-1- Reset peripherals ##################################################*/ | |
| 148 I2Cx_FORCE_RESET(); | |
| 149 I2Cx_RELEASE_RESET(); | |
| 150 | |
| 151 /*##-2- Disable peripherals and GPIO Clocks ################################*/ | |
| 152 /* Configure I2C Tx as alternate function */ | |
| 153 HAL_GPIO_DeInit(I2Cx_SCL_GPIO_PORT, I2Cx_SCL_PIN); | |
| 154 /* Configure I2C Rx as alternate function */ | |
| 155 HAL_GPIO_DeInit(I2Cx_SDA_GPIO_PORT, I2Cx_SDA_PIN); | |
| 156 | |
| 157 /*##-3- Disable the NVIC for I2C ###########################################*/ | |
| 158 HAL_NVIC_DisableIRQ(I2Cx_ER_IRQn); | |
| 159 HAL_NVIC_DisableIRQ(I2Cx_EV_IRQn); | |
| 160 } | |
| 161 | |
| 162 | |
| 163 /** | |
| 164 * @brief RTC MSP Initialization | |
| 165 * This function configures the hardware resources used in this example | |
| 166 * @param hrtc: RTC handle pointer | |
| 167 * | |
| 168 * @note Care must be taken when HAL_RCCEx_PeriphCLKConfig() is used to select | |
| 169 * the RTC clock source; in this case the Backup domain will be reset in | |
| 170 * order to modify the RTC Clock source, as consequence RTC registers (including | |
| 171 * the backup registers) and RCC_BDCR register are set to their reset values. | |
| 172 * | |
| 173 * @retval None | |
| 174 */ | |
| 175 void HAL_RTC_MspInit(RTC_HandleTypeDef* hrtc) | |
| 176 { | |
| 177 | |
| 178 if(hrtc->Instance==RTC) | |
| 179 { | |
| 180 /* USER CODE BEGIN RTC_MspInit 0 */ | |
| 181 RCC_OscInitTypeDef RCC_OscInitStruct; | |
| 182 RCC_PeriphCLKInitTypeDef PeriphClkInitStruct; | |
| 183 | |
| 184 /*##-1- Configue LSI as RTC clock soucre ###################################*/ | |
| 185 RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_LSE; | |
| 186 RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE; | |
| 187 RCC_OscInitStruct.LSEState = RCC_LSE_ON; | |
| 188 HAL_RCC_OscConfig(&RCC_OscInitStruct); | |
| 189 | |
| 190 PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_RTC; | |
| 191 PeriphClkInitStruct.RTCClockSelection = RCC_RTCCLKSOURCE_LSE; | |
| 192 HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct); | |
| 193 | |
| 194 /* USER CODE END RTC_MspInit 0 */ | |
| 195 /* Peripheral clock enable */ | |
| 196 __HAL_RCC_RTC_ENABLE(); | |
| 197 /* USER CODE BEGIN RTC_MspInit 1 */ | |
| 198 | |
| 199 /*##-3- Configure the NVIC for RTC WakeUp Timer ############################*/ | |
| 200 HAL_NVIC_SetPriority(RTC_WKUP_IRQn, 0x0F, 0); | |
| 201 HAL_NVIC_EnableIRQ(RTC_WKUP_IRQn); | |
| 202 | |
| 203 /* USER CODE END RTC_MspInit 1 */ | |
| 204 } | |
| 205 | |
| 206 } | |
| 207 | |
| 208 | |
| 209 void HAL_RTC_MspDeInit(RTC_HandleTypeDef* hrtc) | |
| 210 { | |
| 211 | |
| 212 if(hrtc->Instance==RTC) | |
| 213 { | |
| 214 /* USER CODE BEGIN RTC_MspDeInit 0 */ | |
| 215 | |
| 216 /* USER CODE END RTC_MspDeInit 0 */ | |
| 217 /* Peripheral clock disable */ | |
| 218 __HAL_RCC_RTC_DISABLE(); | |
| 219 /* USER CODE BEGIN RTC_MspDeInit 1 */ | |
| 220 | |
| 221 /* USER CODE END RTC_MspDeInit 1 */ | |
| 222 } | |
| 223 | |
| 224 } | |
| 225 | |
| 226 | |
| 227 | |
| 228 void HAL_UART_MspInit(UART_HandleTypeDef* huart) | |
| 229 { | |
| 230 | |
| 231 GPIO_InitTypeDef GPIO_InitStruct; | |
| 232 if(huart->Instance==USART2) | |
| 233 { | |
| 234 __USART2_CLK_ENABLE(); | |
| 235 GPIO_InitStruct.Pin = GPIO_PIN_2|GPIO_PIN_3; | |
| 236 GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; | |
| 237 GPIO_InitStruct.Pull = GPIO_PULLUP; | |
| 238 GPIO_InitStruct.Speed = GPIO_SPEED_LOW; | |
| 239 GPIO_InitStruct.Alternate = GPIO_AF7_USART2; | |
| 240 HAL_GPIO_Init(GPIOA, &GPIO_InitStruct); | |
| 241 } | |
| 242 } | |
| 243 | |
| 244 | |
| 245 void HAL_UART_MspDeInit(UART_HandleTypeDef* huart) | |
| 246 { | |
| 247 if(huart->Instance==USART2) | |
| 248 { | |
| 249 __USART2_CLK_DISABLE(); | |
| 250 HAL_GPIO_DeInit(GPIOA, GPIO_PIN_2|GPIO_PIN_3); | |
| 251 } | |
| 252 } | |
| 253 | |
| 254 | |
| 255 | |
| 256 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |