usb_host.c 3.4 KB

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  1. /**
  2. ******************************************************************************
  3. * @file : USB_HOST
  4. * @version : v1.0_Cube
  5. * @brief : This file implements the USB Host
  6. ******************************************************************************
  7. * COPYRIGHT(c) 2016 STMicroelectronics
  8. *
  9. * Redistribution and use in source and binary forms, with or without modification,
  10. * are permitted provided that the following conditions are met:
  11. * 1. Redistributions of source code must retain the above copyright notice,
  12. * this list of conditions and the following disclaimer.
  13. * 2. Redistributions in binary form must reproduce the above copyright notice,
  14. * this list of conditions and the following disclaimer in the documentation
  15. * and/or other materials provided with the distribution.
  16. * 3. Neither the name of STMicroelectronics nor the names of its contributors
  17. * may be used to endorse or promote products derived from this software
  18. * without specific prior written permission.
  19. *
  20. * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  21. * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  22. * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  23. * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
  24. * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  25. * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  26. * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  27. * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  28. * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  29. * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  30. *
  31. ******************************************************************************
  32. */
  33. /* Includes ------------------------------------------------------------------*/
  34. #include "usb_host.h"
  35. #include "usbh_core.h"
  36. #include "usbh_msc.h"
  37. /* USB Host Core handle declaration */
  38. USBH_HandleTypeDef hUsbHostHS;
  39. ApplicationTypeDef Appli_state = APPLICATION_IDLE;
  40. /**
  41. * -- Insert your variables declaration here --
  42. */
  43. /* USER CODE BEGIN 0 */
  44. /* USER CODE END 0 */
  45. /*
  46. * user callbak declaration
  47. */
  48. static void USBH_UserProcess (USBH_HandleTypeDef *phost, uint8_t id);
  49. /**
  50. * -- Insert your external function declaration here --
  51. */
  52. /* USER CODE BEGIN 1 */
  53. /* USER CODE END 1 */
  54. /* init function */
  55. void MX_USB_HOST_Init(void)
  56. {
  57. /* Init Host Library,Add Supported Class and Start the library*/
  58. USBH_Init(&hUsbHostHS, USBH_UserProcess, HOST_HS);
  59. USBH_RegisterClass(&hUsbHostHS, USBH_MSC_CLASS);
  60. USBH_Start(&hUsbHostHS);
  61. }
  62. /*
  63. * Background task
  64. */
  65. void MX_USB_HOST_Process()
  66. {
  67. /* USB Host Background task */
  68. USBH_Process(&hUsbHostHS);
  69. }
  70. /*
  71. * user callbak definition
  72. */
  73. static void USBH_UserProcess (USBH_HandleTypeDef *phost, uint8_t id)
  74. {
  75. /* USER CODE BEGIN 2 */
  76. switch(id)
  77. {
  78. case HOST_USER_SELECT_CONFIGURATION:
  79. break;
  80. case HOST_USER_DISCONNECTION:
  81. Appli_state = APPLICATION_DISCONNECT;
  82. break;
  83. case HOST_USER_CLASS_ACTIVE:
  84. Appli_state = APPLICATION_READY;
  85. break;
  86. case HOST_USER_CONNECTION:
  87. Appli_state = APPLICATION_START;
  88. break;
  89. default:
  90. break;
  91. }
  92. /* USER CODE END 2 */
  93. }
  94. /**
  95. * @}
  96. */
  97. /**
  98. * @}
  99. */
  100. /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/