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chenzongxiong
2026-01-22 19:24:33 +08:00
commit b94a28aacf
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186
calib_board/usr/bsp/bsp_Flash.c Normal file
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#include "bsp_Flash.h"
#include "string.h"
#include "bsp_Wdg.h"
#include "gas_data.h"
/* FLASH Memory Definitions */
//#define BSP_FLASH_SIZE (0x100000UL)
//#define BSP_FLASH_PAGE_SIZE (PAGESIZE)
//#define BSP_FLASH_PAGE_NUM (BSP_FLASH_SIZE/BSP_FLASH_PAGE_SIZE)
//#define BSP_FLASH_ADDR_RW(n) ((uint32_t)(FLASH_BASE + (BSP_FLASH_PAGE_NUM - (n)) * BSP_FLASH_PAGE_SIZE))
//#define BSP_FLASH_DATASAVE_ADDR BSP_FLASH_ADDR_RW(1)
//FLASH<53><48>ַ
#define BSP_FLASH_SECTION_0_ADDR ((u32)0x08000000) //16k
#define BSP_FLASH_SECTION_1_ADDR ((u32)0x08004000) //16k
#define BSP_FLASH_SECTION_2_ADDR ((u32)0x08008000) //16k
#define BSP_FLASH_SECTION_3_ADDR ((u32)0x0800C000) //16k
#define BSP_FLASH_SECTION_4_ADDR ((u32)0x08010000) //64k
#define BSP_FLASH_SECTION_5_ADDR ((u32)0x08020000) //128k
#define BSP_FLASH_SECTION_6_ADDR ((u32)0x08040000) //128k
#define BSP_FLASH_SECTION_7_ADDR ((u32)0x08060000) //128k
#define BSP_FLASH_SECTION_8_ADDR ((u32)0x08080000) //128k
#define BSP_FLASH_SECTION_9_ADDR ((u32)0x080A0000) //128k
#define BSP_FLASH_SECTION_10_ADDR ((u32)0x080C0000) //128k
#define BSP_FLASH_SECTION_11_ADDR ((u32)0x080E0000) //128k
#define BSP_FLASH_DATASAVE_ADDR BSP_FLASH_SECTION_11_ADDR//<2F><><EFBFBD><EFBFBD>һƬ<D2BB><C6AC><EFBFBD><EFBFBD> 128k
static void bsp_Flash_Init(void);
static void bsp_FlashDataWrite(void);
static void bsp_FlashDataRead(void);
static void bsp_FlashReset(void);
bsp_Flash_t Usr_Flash =
{
.Init = bsp_Flash_Init,
.Write = bsp_FlashDataWrite,
.Read = bsp_FlashDataRead,
.Reset = bsp_FlashReset,
};
bsp_Flash_t *p_Usr_Flash = &Usr_Flash;
// <20><><EFBFBD><EFBFBD>ָ<EFBFBD><D6B8>ҳ
static HAL_StatusTypeDef bsp_FLASH_ErasePage(uint32_t PageAddress)
{
//<2F><>ʼ<EFBFBD><CABC>FLASH_EraseInitTypeDef
FLASH_EraseInitTypeDef f;
f.TypeErase = FLASH_TYPEERASE_SECTORS;
f.Sector = FLASH_SECTOR_11;
f.NbSectors = 1;
f.VoltageRange = VOLTAGE_RANGE_3;
//<2F><><EFBFBD><EFBFBD>PageError
uint32_t PageError = 0;
//<2F><><EFBFBD>ò<EFBFBD><C3B2><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
return HAL_FLASHEx_Erase(&f, &PageError);
}
// <20><>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD> - <20><>32λ<32><CEBB>ȡ
static void bsp_Flash_STMFLASH_Read(uint32_t ReadAddr, void *pBuffer, uint32_t size)
{
uint8_t *pBuf = (uint8_t*)pBuffer;
uint32_t *addr = (uint32_t*)ReadAddr;
uint32_t words = size / 4;
uint32_t bytes_remaining = size % 4;
// <20><>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>32λ<32><CEBB>
for(uint32_t i = 0; i < words; i++)
{
*((uint32_t*)pBuf) = addr[i];
pBuf += 4;
}
// <20><>ȡʣ<C8A1><CAA3><EFBFBD><EFBFBD><EFBFBD>ֽ<EFBFBD>
if(bytes_remaining > 0)
{
uint32_t last_word = addr[words];
uint8_t *last_bytes = (uint8_t*)&last_word;
for(uint32_t i = 0; i < bytes_remaining; i++)
{
pBuf[i] = last_bytes[i];
}
}
}
// д<><D0B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD> - <20><>32λд<CEBB><D0B4>
static HAL_StatusTypeDef bsp_Flash_STMFLASH_Write(uint32_t WriteAddr, void *pBuffer, uint32_t size)
{
HAL_StatusTypeDef status = HAL_OK;
uint8_t *pBuf = (uint8_t*)pBuffer;
uint32_t words = size / 4;
uint32_t bytes_remaining = size % 4;
uint32_t current_addr = WriteAddr;
HAL_FLASH_Unlock();
// <20><><EFBFBD><EFBFBD>Ŀ<EFBFBD><C4BF>ҳ
status = bsp_FLASH_ErasePage(WriteAddr);
if(status != HAL_OK)
{
HAL_FLASH_Lock();
return status;
}
// д<><D0B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>32λ<32><CEBB>
for(uint32_t i = 0; i < words; i++)
{
status = HAL_FLASH_Program(FLASH_TYPEPROGRAM_WORD,
current_addr,
*((uint32_t*)pBuf));
if(status != HAL_OK) break;
current_addr += 4;
pBuf += 4;
}
// д<><D0B4>ʣ<EFBFBD><CAA3><EFBFBD><EFBFBD><EFBFBD>ֽ<EFBFBD>
if(status == HAL_OK && bytes_remaining > 0)
{
uint32_t last_word = 0xFFFFFFFF; // Ĭ<><C4AC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>0xFF
uint8_t *last_bytes = (uint8_t*)&last_word;
// <20><><EFBFBD><EFBFBD>ʣ<EFBFBD><CAA3><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
for(uint32_t i = 0; i < bytes_remaining; i++)
{
last_bytes[i] = pBuf[i];
}
status = HAL_FLASH_Program(FLASH_TYPEPROGRAM_WORD, current_addr, last_word);
}
HAL_FLASH_Lock();
return status;
}
static void bsp_FlashReset(void)
{
bsp_FlashDataWrite();
}
static void bsp_Flash_Init(void)
{
bsp_FlashDataRead();
if(p_Usr_Flash->FlashData.modbus_read_reg_num > 1000)
p_Usr_Flash->FlashData.modbus_read_reg_num = sizeof(gas_data_t)/2;
if(p_Usr_Flash->FlashData.modbus_read_sensor_num > SENSOR_NUM)
p_Usr_Flash->FlashData.modbus_read_sensor_num = SENSOR_NUM;
memcpy(&Usr_Flash.TempFlashData, &Usr_Flash.FlashData, sizeof(bsp_FlashData_t));
}
static void bsp_FlashDataWrite(void)
{
/*<2A><>ֹ<EFBFBD>ظ<EFBFBD><D8B8><EFBFBD>д<EFBFBD><D0B4>ͬ<EFBFBD><CDAC><EFBFBD><EFBFBD>*/
if(memcmp(&Usr_Flash.TempFlashData, &Usr_Flash.FlashData, sizeof(bsp_FlashData_t)) != 0)
{
Wdg.Feed();
__disable_irq(); // <20><><EFBFBD><EFBFBD>ȫ<EFBFBD><C8AB><EFBFBD>ж<EFBFBD>
HAL_StatusTypeDef status = bsp_Flash_STMFLASH_Write(BSP_FLASH_DATASAVE_ADDR,&Usr_Flash.FlashData,sizeof(bsp_FlashData_t));
if(status == HAL_OK)
{
// д<><D0B4><EFBFBD>ɹ<EFBFBD><C9B9><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD>
memcpy(&Usr_Flash.TempFlashData, &Usr_Flash.FlashData, sizeof(bsp_FlashData_t));
}
else
{
}
__enable_irq(); // <20>ָ<EFBFBD><D6B8>ж<EFBFBD>
Wdg.Feed();
}
}
static void bsp_FlashDataRead(void)
{
Wdg.Feed();
bsp_Flash_STMFLASH_Read(BSP_FLASH_DATASAVE_ADDR,
&Usr_Flash.FlashData,
sizeof(bsp_FlashData_t));
Wdg.Feed();
}