stm32l0xx_hal_msp.c 4.5 KB

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  1. /**
  2. ******************************************************************************
  3. * File Name : stm32l0xx_hal_msp.c
  4. * Description : This file provides code for the MSP Initialization
  5. * and de-Initialization codes.
  6. ******************************************************************************
  7. ** This notice applies to any and all portions of this file
  8. * that are not between comment pairs USER CODE BEGIN and
  9. * USER CODE END. Other portions of this file, whether
  10. * inserted by the user or by software development tools
  11. * are owned by their respective copyright owners.
  12. *
  13. * COPYRIGHT(c) 2019 STMicroelectronics
  14. *
  15. * Redistribution and use in source and binary forms, with or without modification,
  16. * are permitted provided that the following conditions are met:
  17. * 1. Redistributions of source code must retain the above copyright notice,
  18. * this list of conditions and the following disclaimer.
  19. * 2. Redistributions in binary form must reproduce the above copyright notice,
  20. * this list of conditions and the following disclaimer in the documentation
  21. * and/or other materials provided with the distribution.
  22. * 3. Neither the name of STMicroelectronics nor the names of its contributors
  23. * may be used to endorse or promote products derived from this software
  24. * without specific prior written permission.
  25. *
  26. * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  27. * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  28. * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  29. * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
  30. * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  31. * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  32. * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  33. * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  34. * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  35. * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  36. *
  37. ******************************************************************************
  38. */
  39. /* Includes ------------------------------------------------------------------*/
  40. #include "stm32l0xx_hal.h"
  41. extern void _Error_Handler(char *, int);
  42. /* USER CODE BEGIN 0 */
  43. /* USER CODE END 0 */
  44. /**
  45. * Initializes the Global MSP.
  46. */
  47. void HAL_MspInit(void)
  48. {
  49. /* USER CODE BEGIN MspInit 0 */
  50. /* USER CODE END MspInit 0 */
  51. __HAL_RCC_SYSCFG_CLK_ENABLE();
  52. __HAL_RCC_PWR_CLK_ENABLE();
  53. /* System interrupt init*/
  54. /* SVC_IRQn interrupt configuration */
  55. HAL_NVIC_SetPriority(SVC_IRQn, 0, 0);
  56. /* PendSV_IRQn interrupt configuration */
  57. HAL_NVIC_SetPriority(PendSV_IRQn, 0, 0);
  58. /* SysTick_IRQn interrupt configuration */
  59. HAL_NVIC_SetPriority(SysTick_IRQn, 0, 0);
  60. /* USER CODE BEGIN MspInit 1 */
  61. /* USER CODE END MspInit 1 */
  62. }
  63. void HAL_UART_MspInit(UART_HandleTypeDef* huart)
  64. {
  65. GPIO_InitTypeDef GPIO_InitStruct;
  66. if(huart->Instance==USART2)
  67. {
  68. /* USER CODE BEGIN USART2_MspInit 0 */
  69. /* USER CODE END USART2_MspInit 0 */
  70. /* Peripheral clock enable */
  71. __HAL_RCC_USART2_CLK_ENABLE();
  72. /**USART2 GPIO Configuration
  73. PA2 ------> USART2_TX
  74. PA3 ------> USART2_RX
  75. */
  76. GPIO_InitStruct.Pin = USART_TX_Pin|USART_RX_Pin;
  77. GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
  78. GPIO_InitStruct.Pull = GPIO_PULLUP;
  79. GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
  80. GPIO_InitStruct.Alternate = GPIO_AF4_USART2;
  81. HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
  82. /* USART2 interrupt Init */
  83. HAL_NVIC_SetPriority(USART2_IRQn, 0, 0);
  84. HAL_NVIC_EnableIRQ(USART2_IRQn);
  85. /* USER CODE BEGIN USART2_MspInit 1 */
  86. /* USER CODE END USART2_MspInit 1 */
  87. }
  88. }
  89. void HAL_UART_MspDeInit(UART_HandleTypeDef* huart)
  90. {
  91. if(huart->Instance==USART2)
  92. {
  93. /* USER CODE BEGIN USART2_MspDeInit 0 */
  94. /* USER CODE END USART2_MspDeInit 0 */
  95. /* Peripheral clock disable */
  96. __HAL_RCC_USART2_CLK_DISABLE();
  97. /**USART2 GPIO Configuration
  98. PA2 ------> USART2_TX
  99. PA3 ------> USART2_RX
  100. */
  101. HAL_GPIO_DeInit(GPIOA, USART_TX_Pin|USART_RX_Pin);
  102. /* USART2 interrupt DeInit */
  103. HAL_NVIC_DisableIRQ(USART2_IRQn);
  104. /* USER CODE BEGIN USART2_MspDeInit 1 */
  105. /* USER CODE END USART2_MspDeInit 1 */
  106. }
  107. }
  108. /* USER CODE BEGIN 1 */
  109. /* USER CODE END 1 */
  110. /**
  111. * @}
  112. */
  113. /**
  114. * @}
  115. */
  116. /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/