2 ******************************************************************************
3 * @file usbd_mem_if_template.c
4 * @author MCD Application Team
7 * @brief Specific media access Layer for a template memory. This file is
8 provided as template example showing how to implement a new memory
9 interface based on pre-defined API.
10 ******************************************************************************
13 * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
14 * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
15 * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY
16 * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
17 * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
18 * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
20 * <h2><center>© COPYRIGHT 2011 STMicroelectronics</center></h2>
21 ******************************************************************************
24 /* Includes ------------------------------------------------------------------*/
25 #include "usbd_mem_if_template.h"
26 #include "usbd_dfu_mal.h"
28 /* Private typedef -----------------------------------------------------------*/
29 /* Private define ------------------------------------------------------------*/
30 /* Private macro -------------------------------------------------------------*/
32 /* Private function prototypes -----------------------------------------------*/
33 uint16_t MEM_If_Init(void);
34 uint16_t MEM_If_Erase (uint32_t Add);
35 uint16_t MEM_If_Write (uint32_t Add, uint32_t Len);
36 uint8_t *MEM_If_Read (uint32_t Add, uint32_t Len);
37 uint16_t MEM_If_DeInit(void);
38 uint16_t MEM_If_CheckAdd(uint32_t Add);
41 /* Private variables ---------------------------------------------------------*/
42 DFU_MAL_Prop_TypeDef DFU_Mem_cb =
51 10, /* Erase Time in ms */
52 10 /* Programming Time in ms */
55 /* Private functions ---------------------------------------------------------*/
59 * Memory initialization routine.
61 * @retval MAL_OK if operation is successeful, MAL_FAIL else.
63 uint16_t MEM_If_Init(void)
69 * @brief MEM_If_DeInit
70 * Memory deinitialization routine.
72 * @retval MAL_OK if operation is successeful, MAL_FAIL else.
74 uint16_t MEM_If_DeInit(void)
82 * @param Add: Address of sector to be erased.
83 * @retval MAL_OK if operation is successeful, MAL_FAIL else.
85 uint16_t MEM_If_Erase(uint32_t Add)
92 * Memory write routine.
93 * @param Add: Address to be written to.
94 * @param Len: Number of data to be written (in bytes).
95 * @retval MAL_OK if operation is successeful, MAL_FAIL else.
97 uint16_t MEM_If_Write(uint32_t Add, uint32_t Len)
104 * Memory read routine.
105 * @param Add: Address to be read from.
106 * @param Len: Number of data to be read (in bytes).
107 * @retval Pointer to the phyisical address where data should be read.
109 uint8_t *MEM_If_Read (uint32_t Add, uint32_t Len)
111 /* Return a valid address to avoid HardFault */
112 return (uint8_t*)(MAL_Buffer);
116 * @brief MEM_If_CheckAdd
117 * Check if the address is an allowed address for this memory.
118 * @param Add: Address to be checked.
119 * @param Len: Number of data to be read (in bytes).
120 * @retval MAL_OK if the address is allowed, MAL_FAIL else.
122 uint16_t MEM_If_CheckAdd(uint32_t Add)
124 if ((Add >= MEM_START_ADD) && (Add < MEM_END_ADD))
133 /******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/