ch32_flash.hpp

#pragma once
 
#include <cstdint>
#include <cstring>
 
#include "flash.hpp"
#include "libxr_def.hpp"
#include "libxr_type.hpp"
#include DEF2STR(LIBXR_CH32_CONFIG_FILE)
 
namespace LibXR
{
 
class CH32Flash : public Flash
{
 public:
  static constexpr size_t MIN_WRITE_SIZE = 2;
 
  CH32Flash(const FlashRegion* regions, size_t region_count, uint32_t start_address);
 
  CH32Flash(const FlashRegion* regions, size_t region_count);
 
  ErrorCode Erase(size_t offset, size_t size) override;
  ErrorCode Write(size_t offset, ConstRawData data) override;
 
  static constexpr size_t MinWriteSize()
  {
    return MIN_WRITE_SIZE;
  }  
 
  static constexpr uint32_t PageSize()
  {
    return 256;
  }  
 
 private:
  const FlashRegion* regions_;
  uint32_t base_address_;
  size_t region_count_;
 
  bool IsInRange(uint32_t addr, size_t size) const;
  static inline void ClearFlashFlagsOnce();
};
 
}  // namespace LibXR