--- /dev/null
+/**
+ ******************************************************************************
+ * @file usbd_flash_if.c
+ * @author MCD Application Team
+ * @version V1.0.0
+ * @date 22-July-2011
+ * @brief Specific media access Layer for internal flash.
+ ******************************************************************************
+ * @attention
+ *
+ * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
+ * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
+ * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY
+ * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
+ * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
+ * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
+ *
+ * <h2><center>© COPYRIGHT 2011 STMicroelectronics</center></h2>
+ ******************************************************************************
+ */
+
+/* Includes ------------------------------------------------------------------*/
+#include "usbd_flash_if.h"
+#include "usbd_dfu_mal.h"
+
+/* Private typedef -----------------------------------------------------------*/
+/* Private define ------------------------------------------------------------*/
+/* Private macro -------------------------------------------------------------*/
+
+/* Private function prototypes -----------------------------------------------*/
+uint16_t FLASH_If_Init(void);
+uint16_t FLASH_If_Erase (uint32_t Add);
+uint16_t FLASH_If_Write (uint32_t Add, uint32_t Len);
+uint8_t *FLASH_If_Read (uint32_t Add, uint32_t Len);
+uint16_t FLASH_If_DeInit(void);
+uint16_t FLASH_If_CheckAdd(uint32_t Add);
+
+
+/* Private variables ---------------------------------------------------------*/
+DFU_MAL_Prop_TypeDef DFU_Flash_cb =
+ {
+ FLASH_IF_STRING,
+ FLASH_If_Init,
+ FLASH_If_DeInit,
+ FLASH_If_Erase,
+ FLASH_If_Write,
+ FLASH_If_Read,
+ FLASH_If_CheckAdd,
+ 50, /* Erase Time in ms */
+ 50 /* Programming Time in ms */
+ };
+
+/* Private functions ---------------------------------------------------------*/
+
+/**
+ * @brief FLASH_If_Init
+ * Memory initialization routine.
+ * @param None
+ * @retval MAL_OK if operation is successeful, MAL_FAIL else.
+ */
+uint16_t FLASH_If_Init(void)
+{
+ /* Unlock the internal flash */
+ FLASH_Unlock();
+
+ return MAL_OK;
+}
+
+/**
+ * @brief FLASH_If_DeInit
+ * Memory deinitialization routine.
+ * @param None
+ * @retval MAL_OK if operation is successeful, MAL_FAIL else.
+ */
+uint16_t FLASH_If_DeInit(void)
+{
+ /* Lock the internal flash */
+ FLASH_Lock();
+
+ return MAL_OK;
+}
+
+/*******************************************************************************
+* Function Name : FLASH_If_Erase
+* Description : Erase sector
+* Input : None
+* Output : None
+* Return : None
+*******************************************************************************/
+uint16_t FLASH_If_Erase(uint32_t Add)
+{
+#ifdef STM32F2XX
+ /* Check which sector has to be erased */
+ if (Add < 0x08004000)
+ {
+ FLASH_EraseSector(FLASH_Sector_0, VoltageRange_3);
+ }
+ else if (Add < 0x08008000)
+ {
+ FLASH_EraseSector(FLASH_Sector_1, VoltageRange_3);
+ }
+ else if (Add < 0x0800C000)
+ {
+ FLASH_EraseSector(FLASH_Sector_2, VoltageRange_3);
+ }
+ else if (Add < 0x08010000)
+ {
+ FLASH_EraseSector(FLASH_Sector_3, VoltageRange_3);
+ }
+ else if (Add < 0x08020000)
+ {
+ FLASH_EraseSector(FLASH_Sector_4, VoltageRange_3);
+ }
+ else if (Add < 0x08040000)
+ {
+ FLASH_EraseSector(FLASH_Sector_5, VoltageRange_3);
+ }
+ else if (Add < 0x08060000)
+ {
+ FLASH_EraseSector(FLASH_Sector_6, VoltageRange_3);
+ }
+ else if (Add < 0x08080000)
+ {
+ FLASH_EraseSector(FLASH_Sector_7, VoltageRange_3);
+ }
+ else if (Add < 0x080A0000)
+ {
+ FLASH_EraseSector(FLASH_Sector_8, VoltageRange_3);
+ }
+ else if (Add < 0x080C0000)
+ {
+ FLASH_EraseSector(FLASH_Sector_9, VoltageRange_3);
+ }
+ else if (Add < 0x080E0000)
+ {
+ FLASH_EraseSector(FLASH_Sector_10, VoltageRange_3);
+ }
+ else if (Add < 0x08100000)
+ {
+ FLASH_EraseSector(FLASH_Sector_11, VoltageRange_3);
+ }
+ else
+ {
+ return MAL_FAIL;
+ }
+#elif defined(STM32F10X_CL)
+ /* Call the standard Flash erase function */
+ FLASH_ErasePage(Add);
+#endif /* STM32F2XX */
+
+ return MAL_OK;
+}
+
+/**
+ * @brief FLASH_If_Write
+ * Memory write routine.
+ * @param Add: Address to be written to.
+ * @param Len: Number of data to be written (in bytes).
+ * @retval MAL_OK if operation is successeful, MAL_FAIL else.
+ */
+uint16_t FLASH_If_Write(uint32_t Add, uint32_t Len)
+{
+ uint32_t idx = 0;
+
+ if (Len & 0x3) /* Not an aligned data */
+ {
+ for (idx = Len; idx < ((Len & 0xFFFC) + 4); idx++)
+ {
+ MAL_Buffer[idx] = 0xFF;
+ }
+ }
+
+ /* Data received are Word multiple */
+ for (idx = 0; idx < Len; idx = idx + 4)
+ {
+ FLASH_ProgramWord(Add, *(uint32_t *)(MAL_Buffer + idx));
+ Add += 4;
+ }
+ return MAL_OK;
+}
+
+/**
+ * @brief FLASH_If_Read
+ * Memory read routine.
+ * @param Add: Address to be read from.
+ * @param Len: Number of data to be read (in bytes).
+ * @retval Pointer to the phyisical address where data should be read.
+ */
+uint8_t *FLASH_If_Read (uint32_t Add, uint32_t Len)
+{
+#ifdef USB_OTG_HS_INTERNAL_DMA_ENABLED
+ uint32_t idx = 0;
+ for (idx = 0; idx < Len; idx += 4)
+ {
+ *(uint32_t*)(MAL_Buffer + idx) = *(uint32_t *)(Add + idx);
+ }
+ return (uint8_t*)(MAL_Buffer);
+#else
+ return (uint8_t *)(Add);
+#endif /* USB_OTG_HS_INTERNAL_DMA_ENABLED */
+}
+
+/**
+ * @brief FLASH_If_CheckAdd
+ * Check if the address is an allowed address for this memory.
+ * @param Add: Address to be checked.
+ * @param Len: Number of data to be read (in bytes).
+ * @retval MAL_OK if the address is allowed, MAL_FAIL else.
+ */
+uint16_t FLASH_If_CheckAdd(uint32_t Add)
+{
+ if ((Add >= FLASH_START_ADD) && (Add < FLASH_END_ADD))
+ {
+ return MAL_OK;
+ }
+ else
+ {
+ return MAL_FAIL;
+ }
+}
+/******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/
projects / fw / stlink / blobdiff