p_graphite_digester_sdk/components/flash/zsimple_flash.cpp

#include <stdio.h>
#include <string.h>

#include "flash_map.hpp"
#include "main.h"
#include "project_configs.h"

static uint32_t m_sector_num = 0;
namespace iflytop {
uint32_t* zsimple_flash_get_add(int sector_num) {
  switch (sector_num) {
    case 0:
      return (uint32_t*)Z_FLASH_SECTOR_00_ADDR;
    case 1:
      return (uint32_t*)Z_FLASH_SECTOR_01_ADDR;
    case 2:
      return (uint32_t*)Z_FLASH_SECTOR_02_ADDR;
    case 3:
      return (uint32_t*)Z_FLASH_SECTOR_03_ADDR;
    case 4:
      return (uint32_t*)Z_FLASH_SECTOR_04_ADDR;
    case 5:
      return (uint32_t*)Z_FLASH_SECTOR_05_ADDR;
    case 6:
      return (uint32_t*)Z_FLASH_SECTOR_06_ADDR;
    case 7:
      return (uint32_t*)Z_FLASH_SECTOR_07_ADDR;
    case 8:
      return (uint32_t*)Z_FLASH_SECTOR_08_ADDR;
    case 9:
      return (uint32_t*)Z_FLASH_SECTOR_09_ADDR;
    case 10:
      return (uint32_t*)Z_FLASH_SECTOR_10_ADDR;
    case 11:
      return (uint32_t*)Z_FLASH_SECTOR_11_ADDR;
    default:
      assert_param(0);
  }
  return 0;
}

static HAL_StatusTypeDef pri_earse_sector() {
  HAL_StatusTypeDef      status;
  uint32_t               sector_error_point;
  FLASH_EraseInitTypeDef flash_erase_structer = {
      //
      .TypeErase    = FLASH_TYPEERASE_SECTORS,  //
      .Sector       = m_sector_num,             //
      .NbSectors    = 1,                        //
      .VoltageRange = FLASH_VOLTAGE_RANGE_3     //
  };

  HAL_FLASH_Unlock();                                                                                                                         // ����
  __HAL_FLASH_CLEAR_FLAG(FLASH_FLAG_EOP | FLASH_FLAG_OPERR | FLASH_FLAG_WRPERR | FLASH_FLAG_PGAERR | FLASH_FLAG_PGPERR | FLASH_FLAG_PGSERR);  // ����һЩ������־
  status = HAL_FLASHEx_Erase(&flash_erase_structer, &sector_error_point);
  HAL_FLASH_Lock();  // ����
  return status;
}

void zsimple_flash_init(uint32_t sector_num) { m_sector_num = sector_num; }
void zsimple_flash_read(uint8_t* data, size_t len) { memcpy(data, zsimple_flash_get_add(m_sector_num), len); }
void zsimple_flash_write(const uint8_t* data, size_t len) {
  pri_earse_sector();

  uint32_t* from      = (uint32_t*)data;
  uint32_t* to        = (uint32_t*)zsimple_flash_get_add(m_sector_num);
  uint32_t  writesize = len / 4;

  HAL_StatusTypeDef status;
  HAL_FLASH_Unlock();  // ����
  for (size_t i = 0; i < writesize; i++) {
    status = HAL_FLASH_Program(FLASH_TYPEPROGRAM_WORD, (uint32_t)to, *from);
    from++;
    to++;
  }
  HAL_FLASH_Lock();  // ����
}

}  // namespace iflytop