Added USB Device library sources

[fw/stlink] / example / stm32f4 / STM32_USB_Device_Library / Class / dfu / src / usbd_otp_if.c

diff --git a/example/stm32f4/STM32_USB_Device_Library/Class/dfu/src/usbd_otp_if.c b/example/stm32f4/STM32_USB_Device_Library/Class/dfu/src/usbd_otp_if.c
new file mode 100644 (file)
index 0000000..5970c0e
--- /dev/null
+++ b/example/stm32f4/STM32_USB_Device_Library/Class/dfu/src/usbd_otp_if.c
@@ -0,0 +1,120 @@
+/**
+  ******************************************************************************
+  * @file    usbd_otp_if.c
+  * @author  MCD Application Team
+  * @version V1.0.0
+  * @date    22-July-2011
+  * @brief   Specific media access Layer for OTP (One Time Programming) memory.
+  ******************************************************************************
+  * @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>&copy; COPYRIGHT 2011 STMicroelectronics</center></h2>
+  ******************************************************************************
+  */ 
+
+/* Includes ------------------------------------------------------------------*/
+#include "usbd_otp_if.h"
+#include "usbd_dfu_mal.h"
+
+/* Private typedef -----------------------------------------------------------*/
+/* Private define ------------------------------------------------------------*/
+/* Private macro -------------------------------------------------------------*/
+
+/* Private function prototypes -----------------------------------------------*/
+uint16_t OTP_If_Write (uint32_t Add, uint32_t Len);
+uint8_t *OTP_If_Read  (uint32_t Add, uint32_t Len);
+uint16_t OTP_If_DeInit(void);
+uint16_t OTP_If_CheckAdd(uint32_t Add);
+
+
+/* Private variables ---------------------------------------------------------*/
+DFU_MAL_Prop_TypeDef DFU_Otp_cb =
+  {
+    OTP_IF_STRING,
+    NULL, /* Init not supported*/
+    NULL, /* DeInit not supported */
+    NULL, /* Erase not supported */
+    OTP_If_Write,
+    OTP_If_Read,
+    OTP_If_CheckAdd,
+    1,  /* Erase Time in ms */
+    10  /* Programming Time in ms */
+  };
+  
+/* Private functions ---------------------------------------------------------*/
+
+/**
+  * @brief  OTP_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 OTP_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  OTP_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 *OTP_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  OTP_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 OTP_If_CheckAdd(uint32_t Add)
+{
+  if ((Add >= OTP_START_ADD) && (Add < OTP_END_ADD))
+  {
+    return MAL_OK;
+  }
+  else
+  {
+    return MAL_FAIL;
+  }
+}
+/******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/