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/**
******************************************************************************
* @file otas_app.c
* @author MCD Application Team
* @brief OTA Service Application
******************************************************************************
* @attention
*
* Copyright (c) 2019-2021 STMicroelectronics.
* All rights reserved.
*
* This software is licensed under terms that can be found in the LICENSE file
* in the root directory of this software component.
* If no LICENSE file comes with this software, it is provided AS-IS.
*
******************************************************************************
*/
/* Includes ------------------------------------------------------------------*/
#include "app_common.h"
#include "ble.h"
#include "shci.h"
#ifdef OTA_SBSFU
#include "ota_sbsfu.h"
#endif /* OTA_SBSFU */
#include "flash_driver.h"
/* Private typedef -----------------------------------------------------------*/
typedef enum
{
Wireless_Fw,
Fw_App,
} OTAS_APP_FileType_t;
typedef struct
{
uint32_t base_address;
uint64_t write_value;
uint8_t write_value_index;
uint8_t file_type;
} OTAS_APP_Context_t;
/* Private macros ------------------------------------------------------------*/
/* Number of bytes to be written in flash on each programming sequence */
#define DOUBLEWORD_SIZE_FOR_FLASH_PROGRAMMING (8)
/* Private variables ---------------------------------------------------------*/
OTAS_APP_Context_t OTAS_APP_Context;
/* Global variables ----------------------------------------------------------*/
/* Private function prototypes -----------------------------------------------*/
/* Functions Definition ------------------------------------------------------*/
/* Private functions ----------------------------------------------------------*/
/* Public functions ----------------------------------------------------------*/
void OTAS_STM_Notification( OTA_STM_Notification_t *p_notification )
{
uint32_t count;
uint32_t size_left;
OTAS_STM_Indication_Msg_t msg_conf;
switch(p_notification->ChardId)
{
case OTAS_STM_BASE_ADDR_ID:
{
switch( ((OTA_STM_Base_Addr_Event_Format_t*)(p_notification->pPayload))->Command )
{
case OTAS_STM_STOP_ALL_UPLOAD:
break;
case OTAS_STM_WIRELESS_FW_UPLOAD:
OTAS_APP_Context.file_type = Wireless_Fw;
OTAS_APP_Context.base_address = FLASH_BASE;
((uint8_t*)&OTAS_APP_Context.base_address)[0] = (((uint8_t*)((OTA_STM_Base_Addr_Event_Format_t*)(p_notification->pPayload))->Base_Addr))[2];
((uint8_t*)&OTAS_APP_Context.base_address)[1] = (((uint8_t*)((OTA_STM_Base_Addr_Event_Format_t*)(p_notification->pPayload))->Base_Addr))[1];
((uint8_t*)&OTAS_APP_Context.base_address)[2] = (((uint8_t*)((OTA_STM_Base_Addr_Event_Format_t*)(p_notification->pPayload))->Base_Addr))[0];
OTAS_APP_Context.write_value_index = 0;
break;
case OTAS_STM_APPLICATION_UPLOAD:
OTAS_APP_Context.file_type = Fw_App;
OTAS_APP_Context.base_address = FLASH_BASE;
((uint8_t*)&OTAS_APP_Context.base_address)[0] = (((uint8_t*)((OTA_STM_Base_Addr_Event_Format_t*)(p_notification->pPayload))->Base_Addr))[2];
((uint8_t*)&OTAS_APP_Context.base_address)[1] = (((uint8_t*)((OTA_STM_Base_Addr_Event_Format_t*)(p_notification->pPayload))->Base_Addr))[1];
((uint8_t*)&OTAS_APP_Context.base_address)[2] = (((uint8_t*)((OTA_STM_Base_Addr_Event_Format_t*)(p_notification->pPayload))->Base_Addr))[0];
OTAS_APP_Context.write_value_index = 0;
break;
case OTAS_STM_UPLOAD_FINISHED:
msg_conf = OTAS_STM_REBOOT_CONFIRMED;
(void) OTAS_STM_UpdateChar(OTAS_STM_CONF_ID, (uint8_t*)&msg_conf);
break;
case OTAS_STM_CANCEL_UPLOAD:
break;
default:
break;
}
}
break;
case OTAS_STM_RAW_DATA_ID:
/**
* Write in Flash the data received in the BLE packet
*/
count = 0;
size_left = p_notification->ValueLength;
/**
* The flash is written by bunch of DOUBLEWORD_SIZE_FOR_FLASH_PROGRAMMING bytes
* Data are written in flash as long as there are at least DOUBLEWORD_SIZE_FOR_FLASH_PROGRAMMING bytes
*/
while( size_left >= (DOUBLEWORD_SIZE_FOR_FLASH_PROGRAMMING - OTAS_APP_Context.write_value_index) )
{
uint32_t NbrOfDataToBeWritten = 1;
memcpy( (uint8_t*)&OTAS_APP_Context.write_value + OTAS_APP_Context.write_value_index,
((OTA_STM_Raw_Data_Event_Format_t*)(p_notification->pPayload))->Raw_Data + count,
DOUBLEWORD_SIZE_FOR_FLASH_PROGRAMMING - OTAS_APP_Context.write_value_index );
while(NbrOfDataToBeWritten > 0)
NbrOfDataToBeWritten = FD_WriteData(OTAS_APP_Context.base_address,
&(OTAS_APP_Context.write_value),
1);
if(*(uint64_t*)(OTAS_APP_Context.base_address)==OTAS_APP_Context.write_value)
{
OTAS_APP_Context.base_address += DOUBLEWORD_SIZE_FOR_FLASH_PROGRAMMING;
size_left -= (DOUBLEWORD_SIZE_FOR_FLASH_PROGRAMMING - OTAS_APP_Context.write_value_index);
count += (DOUBLEWORD_SIZE_FOR_FLASH_PROGRAMMING - OTAS_APP_Context.write_value_index);
OTAS_APP_Context.write_value_index = 0;
}
}
/**
* The Flash shall be written by DOUBLEWORD_SIZE_FOR_FLASH_PROGRAMMING number of bytes.
* In case the packet received is not a multiple of DOUBLEWORD_SIZE_FOR_FLASH_PROGRAMMING bytes,
* It shall be recorded how much bytes is left to be written in flash
*/
if(size_left != 0)
{
memcpy( (uint8_t*)&OTAS_APP_Context.write_value + OTAS_APP_Context.write_value_index,
((OTA_STM_Raw_Data_Event_Format_t*)(p_notification->pPayload))->Raw_Data + count,
size_left );
OTAS_APP_Context.write_value_index += size_left;
}
break;
case OTAS_STM_CONF_EVENT_ID:
{
/**
* The Remote notifies it has send all the data to be written in Flash
*/
/**
* Write now in Flash the remaining data that has not been written before because they were less than
* DOUBLEWORD_SIZE_FOR_FLASH_PROGRAMMING bytes to be written
*/
if(OTAS_APP_Context.write_value_index != 0)
{
/**
* As it is mandatory to write DOUBLEWORD_SIZE_FOR_FLASH_PROGRAMMING bytes, the data to be written shall be padded
* up to DOUBLEWORD_SIZE_FOR_FLASH_PROGRAMMING bytes with 0xFF.
* This is mandatory for correct operation with the Firmware Upgrade Service (FUS) as otherwise, it could be the magic
* key word in wrongly duplicated
*/
memset( (uint8_t*)&OTAS_APP_Context.write_value + OTAS_APP_Context.write_value_index,
0xFF,
DOUBLEWORD_SIZE_FOR_FLASH_PROGRAMMING - OTAS_APP_Context.write_value_index );
while(*(uint64_t*)(OTAS_APP_Context.base_address) != OTAS_APP_Context.write_value)
{
uint32_t NbrOfDataToBeWritten = 1;
while(NbrOfDataToBeWritten > 0)
NbrOfDataToBeWritten = FD_WriteData(OTAS_APP_Context.base_address,
&(OTAS_APP_Context.write_value),
1);
}
}
/**
* Decide now what to do after all the data has been written in Flash
*/
switch(OTAS_APP_Context.file_type)
{
case Fw_App:
/**
* Reboot on FW Application
*/
CFG_OTA_REBOOT_VAL_MSG = CFG_REBOOT_ON_FW_APP;
#ifdef OTA_SBSFU
/* Communication with SBSFU : FW application installation by SBSFU requested */
STANDALONE_LOADER_STATE = STANDALONE_LOADER_INSTALL_REQ;
#endif /* OTA_SBSFU */
NVIC_SystemReset(); /* it waits until reset */
break;
case Wireless_Fw:
#ifdef OTA_SBSFU
/* Communication with SBSFU : by-pass mode requested for Wireless stack installation by FUS */
STANDALONE_LOADER_STATE = STANDALONE_LOADER_BYPASS_REQ;
NVIC_SystemReset(); /* it waits until reset */
#else
/**
* Wireless firmware update is requested
* Request CPU2 to reboot on FUS by sending two FUS command
*/
SHCI_C2_FUS_GetState( NULL );
SHCI_C2_FUS_GetState( NULL );
while(1)
{
HAL_PWR_EnterSLEEPMode(PWR_MAINREGULATOR_ON, PWR_SLEEPENTRY_WFI);
}
#endif /* OTA_SBSFU */
break;
default:
break;
}
}
break;
default:
break;
}
return;
}
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