mirror of
https://github.com/oopuuu/zTC1.git
synced 2025-12-17 23:48:13 +08:00
102 lines
3.6 KiB
C
102 lines
3.6 KiB
C
/**
|
|
******************************************************************************
|
|
* @file platform_flash.c
|
|
* @author William Xu
|
|
* @version V1.0.0
|
|
* @date 05-May-2014
|
|
* @brief This file provides flash operation functions.
|
|
******************************************************************************
|
|
* UNPUBLISHED PROPRIETARY SOURCE CODE
|
|
* Copyright (c) 2016 MXCHIP Inc.
|
|
*
|
|
* The contents of this file may not be disclosed to third parties, copied or
|
|
* duplicated in any form, in whole or in part, without the prior written
|
|
* permission of MXCHIP Corporation.
|
|
******************************************************************************
|
|
*/
|
|
|
|
/* Includes ------------------------------------------------------------------*/
|
|
#include "platform_logging.h"
|
|
#include "platform_peripheral.h"
|
|
#include "platform.h"
|
|
#include "platform_config.h"
|
|
#include "stdio.h"
|
|
|
|
/* Private typedef -----------------------------------------------------------*/
|
|
/* Private define ------------------------------------------------------------*/
|
|
#define BLOCK_SIZE_4K (1024*4)
|
|
#define BLOCK_SIZE_32K (1024*32)
|
|
#define BLOCK_SIZE_64K (1024*64)
|
|
/* Private macro -------------------------------------------------------------*/
|
|
/* Private variables ---------------------------------------------------------*/
|
|
/* Private function prototypes -----------------------------------------------*/
|
|
/**
|
|
* Init flash driver and hardware interface
|
|
*
|
|
*/
|
|
OSStatus platform_flash_init( const platform_flash_t *peripheral )
|
|
{
|
|
return kNoErr;
|
|
}
|
|
|
|
/**
|
|
* Erase flash
|
|
*
|
|
*/
|
|
OSStatus platform_flash_erase( const platform_flash_t *peripheral, uint32_t start_address, uint32_t end_address )
|
|
{
|
|
#if 0
|
|
if((end_address - start_address + 1) % BLOCK_SIZE_4K || (start_address != 0 && start_address % BLOCK_SIZE_4K)){
|
|
return kParamErr;
|
|
}
|
|
#endif
|
|
if((end_address + 1) % BLOCK_SIZE_4K){
|
|
//Force align to 4K
|
|
end_address = ((end_address + 1) / BLOCK_SIZE_4K + 1) * BLOCK_SIZE_4K - 1;
|
|
}
|
|
while(1){
|
|
if((end_address - start_address + 1) >= BLOCK_SIZE_64K && !(start_address != 0 && start_address % BLOCK_SIZE_64K)){
|
|
hal_flash_erase(start_address, HAL_FLASH_BLOCK_64K);
|
|
start_address += BLOCK_SIZE_64K;
|
|
}else if((end_address - start_address + 1) >= BLOCK_SIZE_32K && !(start_address != 0 && start_address % BLOCK_SIZE_32K)){
|
|
hal_flash_erase(start_address, HAL_FLASH_BLOCK_32K);
|
|
start_address += BLOCK_SIZE_32K;
|
|
}else if((end_address - start_address + 1) >= BLOCK_SIZE_4K && !(start_address != 0 && start_address % BLOCK_SIZE_4K)){
|
|
hal_flash_erase(start_address, HAL_FLASH_BLOCK_4K);
|
|
start_address += BLOCK_SIZE_4K;
|
|
}else{
|
|
break;
|
|
}
|
|
}
|
|
return kNoErr;
|
|
}
|
|
|
|
/**
|
|
* Write flash
|
|
*
|
|
*/
|
|
OSStatus platform_flash_write( const platform_flash_t *peripheral, volatile uint32_t* start_address, uint8_t* data ,uint32_t length )
|
|
{
|
|
int32_t ret = hal_flash_write(*start_address, data, length);
|
|
*start_address += length;
|
|
return ret == HAL_FLASH_STATUS_OK ? kNoErr : kWriteErr;
|
|
}
|
|
|
|
/**
|
|
* Read flash
|
|
*
|
|
*/
|
|
OSStatus platform_flash_read( const platform_flash_t *peripheral, volatile uint32_t* start_address, uint8_t* data ,uint32_t length )
|
|
{
|
|
hal_flash_read(*start_address, data, length);
|
|
*start_address += length;
|
|
return kNoErr;
|
|
}
|
|
|
|
/**
|
|
* Flash protect operation
|
|
*
|
|
*/
|
|
OSStatus platform_flash_enable_protect( const platform_flash_t *peripheral, uint32_t start_address, uint32_t end_address ){ return kNoErr; }
|
|
OSStatus platform_flash_disable_protect( const platform_flash_t *peripheral, uint32_t start_address, uint32_t end_address ){ return kNoErr; }
|