FLASH_EnableWriteProtection

ファームウェア関数一覧

FLASH_EnableWriteProtection †

ヘッダ宣言 †

関数プロトタイプ †

FLASH_Status FLASH_EnableWriteProtection(uint32_t FLASH_Pages)

動作 †

フラッシュメモリの指定したページに書込み保護を設定する。

引数 †

• FLASH_Pages
  
  • ページサイズが1KBのデバイス
    
    

    FLASH_Pages	説明
    FLASH_WRProt_Pages0to1	Write protection of page 0 to 1.
    FLASH_WRProt_Pages2to3	Write protection of page 2 to 3.
    FLASH_WRProt_Pages4to5	Write protection of page 4 to 5.
    FLASH_WRProt_Pages6to7	Write protection of page 6 to 7.
    FLASH_WRProt_Pages8to9	Write protection of page 8 to 9.
    FLASH_WRProt_Pages10to11	Write protection of page 10 to 11.
    FLASH_WRProt_Pages12to13	Write protection of page 12 to 13.
    FLASH_WRProt_Pages14to15	Write protection of page 14 to 15.
    FLASH_WRProt_Pages16to17	Write protection of page 16 to 17.
    FLASH_WRProt_Pages18to19	Write protection of page 18 to 19.
    FLASH_WRProt_Pages20to21	Write protection of page 20 to 21.
    FLASH_WRProt_Pages22to23	Write protection of page 22 to 23.
    FLASH_WRProt_Pages24to25	Write protection of page 24 to 25.
    FLASH_WRProt_Pages26to27	Write protection of page 26 to 27.
    FLASH_WRProt_Pages28to29	Write protection of page 28 to 29.
    FLASH_WRProt_Pages30to31	Write protection of page 30 to 31.
    FLASH_WRProt_Pages32to33	Write protection of page 32 to 33.
    FLASH_WRProt_Pages34to35	Write protection of page 34 to 35.
    FLASH_WRProt_Pages36to37	Write protection of page 36 to 37.
    FLASH_WRProt_Pages38to39	Write protection of page 38 to 39.
    FLASH_WRProt_Pages40to41	Write protection of page 40 to 41.
    FLASH_WRProt_Pages42to43	Write protection of page 42 to 43.
    FLASH_WRProt_Pages44to45	Write protection of page 44 to 45.
    FLASH_WRProt_Pages46to47	Write protection of page 46 to 47.
    FLASH_WRProt_Pages48to49	Write protection of page 48 to 49.
    FLASH_WRProt_Pages50to51	Write protection of page 50 to 51.
    FLASH_WRProt_Pages52to53	Write protection of page 52 to 53.
    FLASH_WRProt_Pages54to55	Write protection of page 54 to 55.
    FLASH_WRProt_Pages56to57	Write protection of page 56 to 57.
    FLASH_WRProt_Pages58to59	Write protection of page 58 to 59.
    FLASH_WRProt_Pages60to61	Write protection of page 60 to 61.
    FLASH_WRProt_Pages62to255	Write protection of page 62 to 255.
    FLASH_WRProt_AllPages	Write protection all Pages.

    
    
  • ページサイズが2KBのデバイス
    
    

    FLASH_Pages	説明
    FLASH_WRProt_Pages0to3	Write protection of page 0 to 3.
    FLASH_WRProt_Pages4to7	Write protection of page 4 to 7.
    FLASH_WRProt_Pages8to11	Write protection of page 8 to 11.
    FLASH_WRProt_Pages12to15	Write protection of page 12 to 15.
    FLASH_WRProt_Pages16to19	Write protection of page 16 to 19.
    FLASH_WRProt_Pages20to23	Write protection of page 20 to 23.
    FLASH_WRProt_Pages24to27	Write protection of page 24 to 27.
    FLASH_WRProt_Pages28to31	Write protection of page 28 to 31.
    FLASH_WRProt_Pages32to35	Write protection of page 32 to 35.
    FLASH_WRProt_Pages36to39	Write protection of page 36 to 39.
    FLASH_WRProt_Pages40to43	Write protection of page 40 to 43.
    FLASH_WRProt_Pages44to47	Write protection of page 44 to 47.
    FLASH_WRProt_Pages48to51	Write protection of page 48 to 51.
    FLASH_WRProt_Pages52to55	Write protection of page 52 to 55.
    FLASH_WRProt_Pages56to59	Write protection of page 56 to 59.
    FLASH_WRProt_Pages60to63	Write protection of page 60 to 63.
    FLASH_WRProt_Pages64to67	Write protection of page 64 to 67.
    FLASH_WRProt_Pages68to71	Write protection of page 68 to 71.
    FLASH_WRProt_Pages72to75	Write protection of page 72 to 75.
    FLASH_WRProt_Pages76to79	Write protection of page 76 to 79.
    FLASH_WRProt_Pages80to83	Write protection of page 80 to 83.
    FLASH_WRProt_Pages84to87	Write protection of page 84 to 87.
    FLASH_WRProt_Pages88to91	Write protection of page 88 to 91.
    FLASH_WRProt_Pages92to95	Write protection of page 92 to 95.
    FLASH_WRProt_Pages96to99	Write protection of page 96 to 99.
    FLASH_WRProt_Pages100to103	Write protection of page 100 to 103.
    FLASH_WRProt_Pages104to107	Write protection of page 104 to 107.
    FLASH_WRProt_Pages108to111	Write protection of page 108 to 111.
    FLASH_WRProt_Pages112to115	Write protection of page 112 to 115.
    FLASH_WRProt_Pages116to119	Write protection of page 115 to 119.
    FLASH_WRProt_Pages120to123	Write protection of page 120 to 123.
    FLASH_WRProt_Pages124to127	Write protection of page 124 to 127.
    FLASH_WRProt_AllPages	Write protection all Pages.

    
    

戻り値 †

• FLASH_Status
  処理結果を返します
  
  

  FLASH_Status	説明
  FLASH_BUSY	ビジー(処理中)状態
  FLASH_ERROR_PG	プログラムエラー
  FLASH_ERROR_WRP	書き込み保護状態
  FLASH_COMPLETE	処理完了
  FLASH_TIMEOUT	タイムアウト(時間切れ)

  
  

サンプル †

/* Protects the Pages0to3 and Pages108to111 */
FLASH_Status status = FLASH_COMPLETE;
status = FLASH_EnableWriteProtection
(FLASH_WRProt_Pages0to3|FLASH_WRProt_Pages108to111);

参照 †

• 初期化(RCC_Configuration?)
  FLASH_PrefetchBufferCmd→FLASH_SetLatency
• 一般的な書き込み方法
  FLASH_Unlock→FLASH_ClearFlag→FLASH_ErasePage→FLASH_ProgramWord→FLASH_Lock