this transfers data (which is stored in "bin" file in mbed storage) into LPC1114, LPC1115, LPC81x, LPC82x, LPC1768/LPC1769 and LPC11U68/LPC11E68 internal flash memory through ISP.

Dependencies:   mbed MODSERIAL DirectoryList

Information

日本語版がこのページ下半分にあります!

Japanese version is available lower half of this page.

Caution!

このプログラムでイカを焼くことはできません (^ ^;

"Ika-shouyu-poppoyaki" is a name of Japanese local food.
If I try to do a direct translation, it will be something like "Choo-choo grilled calamari with soy-sauce".
However, you may noticed already, it cannot be grilled by this program ;-)

ISP programming application on mbed

ISP program writes data into flash memory of target MCU.

This mbed program programs target MCU flash memory through UART. It uses "In-System Programming (ISP)" interface in target MCU (NXP LPC micro-controllers).

The ISP is done by PC with serial cable normally. The ISP protocol is executed software on a PC. The software reads a data file and transfers the data with the ISP protocol.
This program does same process of that. The mbed performs a function like "FlashMagic" or "lpc21isp".
(This program does not just copy the binary but also insert 4 byte checksum at address 0x1C.)

This program currently supports LPC1114, LPC1115, LPC81x, LPC82x, LPC1768/LPC1769 and LPC11U68/LPC11E68.

Information

For the LPC1768 and LPC1769, this program supports writing only. It cannot perform verifying.

Modification for targeting LPC82x series has been done by Mr. k4zuki. Thank you very much!
Modification for targeting LPC11U68/LPC11E68 has been done by HAPI- Tech. Thank you very much!!

/media/uploads/okano/copying_bin_e.png

How to execute

With this program, all you need to do is..

  1. Connect the mbed and the target (/RESET and /ISP_enable signals in are option. Those are not necessary if you set the target ISP mode manually)
  2. Rename your (binary) file to "bin" and copy into the mbed storage.
  3. Press reset button of mbed.
  • When the program completed successfully, you will find the LEDs on mbed blinks sequentially (LED1→LED2→LED3→LED4).
  • If it failed, the mbed reports it "Runtime error" by LEDs.
  • You can also monitor the progress and result on a terminal screen (mbed reports those by printf).
  • if you enabled "AUTO_PROGRAM_START", the program in the target will be started automatically.
  • from version 0.7, this program works as "USB-serial bridge" after the ISP writing done. The serial enabled target program (and if "AUTO_PROGRAM_START" is enabled, ) the UART will come up on the terminal screen after ISP completion. Please set "TARGET_OPERATION_BAUD_RATE" as baud rate of target program. The ISP speed can be set by "ISP_BAUD_RATE" separately.

/media/uploads/okano/files_in_storage_e.png

Information

If you don't have a file named "bin", the program will ask you which file you want to choose.
You will find a list of files on PC terminal and that interface let you select a file as source.
(The file names will appear in 8.3 format like old DOS.)

There are some options to bypassing the ISP to execute USB-serial through mode or erasing flash.

If there is a "bin" file, the program may work as usual.
(updated on 29-Jan-2015)

Sample of operation

Next picture is sample of the operation.

  1. The target (LPC1114) goes into ISP mode after first reset.
  2. mbed writes binary into flash in the target (binary size is 12668 bytes in this sample).
  3. when the writing completed, mbed starts reading the flash. the data is verified by comparing with original file.
  4. Asserting reset again with "ISP_enable pin" HIGH.
  5. The target starts to work with written binary (program). In this sample, the target sending character data on UART and toggling LED (GPIO) pin periodically.

/media/uploads/okano/isp_operation_sample_1114_e2.png

Recipe for adding chip support

Information

This section had been written by At_Zamasu_Zansu.
Thank you!

Describing how to add a target device.
Register new Device ID in target_table.cpp.

Targets defined in target_table.cpp.

target_table.cpp

target_param    target_table[]  = {
    { "unknown ttarget",        0xFFFFFFFF, 1024,    4096, 4096, UUENCODE, 0x10000200 },
    { "LPC1114FN28(FDH28)/102", 0x0A40902B, 4096,   32768, 4096, UUENCODE, 0x10000200 },
    { "LPC1114FN28(FDH28)/102", 0x1A40902B, 4096,   32768, 4096, UUENCODE, 0x10000200 },
    { "LPC810M021FN8",          0x00008100, 1024,    4096, 1024, BINARY,   0x10000300 },
    { "LPC811M001JDH16",        0x00008110, 2048,    8192, 1024, BINARY,   0x10000300 },
    { "LPC812M101JDH16",        0x00008120, 4096,   16384, 1024, BINARY,   0x10000300 },
    { "LPC812M101JD20",         0x00008121, 4096,   16384, 1024, BINARY,   0x10000300 },
    { "LPC812M101JDH20",        0x00008122, 4096,   16384, 1024, BINARY,   0x10000300 },
///added for LPC82x series
    { "LPC824M201JHI33",        0x00008241, 8192,   32768, 1024, BINARY,   0x10000300 },
    { "LPC822M101JHI33",        0x00008221, 4096,   16384, 1024, BINARY,   0x10000300 },
    { "LPC824M201JDH20",        0x00008242, 8192,   32768, 1024, BINARY,   0x10000300 },
    { "LPC822M101JDH20",        0x00008222, 4096,   16384, 1024, BINARY,   0x10000300 },
 
};

Structure of the table is defined in target_table.h.

target_table.h

typedef struct  taget_param_st {
    char            *type_name;
    int             id;
    int             ram_size;
    int             flash_size;
    int             sector_size;
    int             write_type;
    unsigned int    ram_start_address;
}

Items are defined in order of next sample in target_table.cpp

 {type_name, id, ram_size, flash_size, sector_size, write_type, ram_start_address}

Sample of how to do this

Data can be found in usermanual(UM) and datasheet. An example following.

In case of LPC82xx
UM10800 LPC82x User manual http://www.nxp.com/documents/user_manual/UM10800.pdf
LPC82x Product data sheet http://www.nxp.com/documents/data_sheet/LPC82X.pdf

  • type_name:
    • Table 322. Part identification numbers can be found by searching in UM. Pick up a device from the Table 322.
  • id:
    • Put a Hex coding value in Table 322.
  • ram_size:
    • Put target RAM size which can be found in datasheet by searching "Ordering options". Find the RAM size in Table2 (in bytes)
  • flash_size:
    • Put target flash size from the Table 2.
      The size should be calculated as "1KB = 1024" bytes.
  • sector_size:
    • A description of "The size of a sector is 1 KB and the size of a page is 64 Byte. One sector contains 16 pages" can be found in 25.5 General description, UM. Pick up taeget sector size and put it into the table in bytes. In this case, it will be 1024.
    • In case of LPC176x, the secotr size is 4KB for first 16 sectors and rest are 32K. So it cannot be defined by single value. For this type of targets, prepare a special value for the sector size. The program calculates the size when this value is detected.
  • ram_start_address:
    • Put an address of example which can be found by searching "UART ISP Write to RAM command" or "Write to RAM" in UM

Reference




イカ醤油ポッポ焼き

mbed用ISPプログラム

NXP製のマイコンは,内部フラッシュメモリへのプログラムの書き込みをUART経由で行うことができます.
通常,この作業はPC上のソフトウェア(たとえば"FlashMagic""lpc21isp"など)を用いて,PC上のファイルのデータを,UARTで接続したマイコンの内蔵フラッシュに書き込みます.

「イカ醤油ポッポ焼き」はmbedでそれらのソフトの代わりをさせるものです.mbedストレージ内に置いた「bin」と名付けられたファイルを読み,フラッシュへ書き込みます.
この書き込みを行う際には,アドレス0x1Cに置いておく必要のある4バイトのチェックサムも自動で追加されます.

現在サポートしているターゲットはLPC1114LPC1115LPC81xLPC82xLPC1768/LPC1769LPC11U68/LPC11E68です.

Information

LPC1768 and LPC1769 では書き込みのみがサポートされます.読み出し検証は実行されません.

LPC82xシリーズをターゲットとするための変更k4zukiさんがしてくださいました.ありがとうございます!
LPC11U68/LPC11E68をターゲットとするための変更HAPI- Techさんがしてくださいました.ありがとうございます!

/media/uploads/okano/copying_bin_j.png

美味しい料理法

このプログラムの動かし方は次の通り

  1. mbedとターゲット(書き込み対象のマイコン)を接続する (ターゲットを手動でISPモードに入れる場合には,/RESET と /ISP_enable は接続する必要はありません)
  2. 書き込みたいファイル(バイナリフォーマット)の名前を「bin」に変更して,mbed内にコピー
  3. mbedのリセットボタンを押す
  • 書き込みが無事に終了するとmbed上のLEDが順番に点滅を繰り返します(LED1→LED2→LED3→LED4).
  • もし何らかのエラーが発生して失敗した場合には"Runtime error"が発生した時のLED点灯となります.
  • またコンピュータのターミナルで状況や結果を確認することもできます(mbedがprintfで状況を出力しています)
  • "AUTO_PROGRAM_START"を有効にしてあれば,書き込み終了後,ターゲットのプログラムは自動的にスタートします.
  • バージョン0.7以降,このプログラムはISP書き込みの終了後にUSB-Serialブリッジとして動作するようにしてあります.ターゲットのプログラムがシリアルを使うもので(かつ"AUTO_PROGRAM_START"が有効で)あれば,入出力はそのままISP完了後のターミナルに現れます."TARGET_OPERATION_BAUD_RATE"はターゲットのプログラムが使うボーレートに合わせてください.ISPの書き込みに使うボーレートは "これとは別に"ISP_BAUD_RATE"で指定することができます.

/media/uploads/okano/files_in_storage_j2.png

Information

もし「bin」と名付けられたファイルが見つからなければ,(PCターミナル上で)どのファイルを選択するかが訊ねられます.
その表示を確認して,どのファイルを書き込むのかを選択してください.
「bin」ファイルが有れば,これまでと同じように動作します.(ファイル名はDOSのような8.3フォーマットで表示されます)

この他,ISPをバイパスしてシリアススルー・モードに行ったり,フラッシュを消すだけという操作も可能になっています.

(2015年1月29日にアップデートされました)

動作の例

次の図は動作の例です

  1. 最初のリセットによってターゲット(LPC1114)がISPモードに入ります
  2. mbedがターゲットのフラッシュにバイナリを書き込みます(この例では12668バイトのバイナリを書いています)
  3. 書き込みが終わるとフラッシュの読み出しを始めます.このデータを元のファイルとの比較し,検証を行います
  4. ISPイネーブル・ピンをHIGHにして再度リセットを行います
  5. ターゲットは書き込まれたプログラムの実行を開始します.この例ではターゲットは周期的にUARTへ文字データを送り,LEDを(GPIOピン)を点滅させます
  6. The target starts to work with written binary (program). The target sending character data on UART and toggling LED (GPIO) pin periodically.

/media/uploads/okano/isp_operation_sample_1114_j2.png


イカ醤油ポッポ焼き味付けレシピ

Information

この節はざますざんすさんが作成してくれました.
ありがとうございます!

これは,イカ醤油ポッポ焼きに新しいターゲットデバイスを追加する場合のレシピを纏めたものです.

必要事項:target_table.cpp へ新しいDevice ID register を追加する.

target_table.cppに記載されているターゲット一覧.

target_table.cpp

target_param    target_table[]  = {
    { "unknown ttarget",        0xFFFFFFFF, 1024,    4096, 4096, UUENCODE, 0x10000200 },
    { "LPC1114FN28(FDH28)/102", 0x0A40902B, 4096,   32768, 4096, UUENCODE, 0x10000200 },
    { "LPC1114FN28(FDH28)/102", 0x1A40902B, 4096,   32768, 4096, UUENCODE, 0x10000200 },
    { "LPC810M021FN8",          0x00008100, 1024,    4096, 1024, BINARY,   0x10000300 },
    { "LPC811M001JDH16",        0x00008110, 2048,    8192, 1024, BINARY,   0x10000300 },
    { "LPC812M101JDH16",        0x00008120, 4096,   16384, 1024, BINARY,   0x10000300 },
    { "LPC812M101JD20",         0x00008121, 4096,   16384, 1024, BINARY,   0x10000300 },
    { "LPC812M101JDH20",        0x00008122, 4096,   16384, 1024, BINARY,   0x10000300 },
///added for LPC82x series
    { "LPC824M201JHI33",        0x00008241, 8192,   32768, 1024, BINARY,   0x10000300 },
    { "LPC822M101JHI33",        0x00008221, 4096,   16384, 1024, BINARY,   0x10000300 },
    { "LPC824M201JDH20",        0x00008242, 8192,   32768, 1024, BINARY,   0x10000300 },
    { "LPC822M101JDH20",        0x00008222, 4096,   16384, 1024, BINARY,   0x10000300 },
 
};

上記コードは以下の構造を取っている.target_table.h に以下のコードがある.

target_table.h

typedef struct  taget_param_st {
    char            *type_name;
    int             id;
    int             ram_size;
    int             flash_size;
    int             sector_size;
    int             write_type;
    unsigned int    ram_start_address;
}

以下の順番にtarget_table.cppにコーディングする.

 {type_name, id, ram_size, flash_size, sector_size, write_type, ram_start_address}

作業の手順例

データはユーザマニュアル(UM)と Data sheet から検索する.以下に例を上げる.

LPC82xxの場合
UM10800 LPC82x User manual http://www.nxp.com/documents/user_manual/UM10800.pdf
LPC82x Product data sheet http://www.nxp.com/documents/data_sheet/LPC82X.pdf

  • type_name:
    • UMから Part identification numbers を検索すると,Table 322. Part identification numbersが現れる.Table 322より Table記載のDeviceを入力.
  • id:
    • UMから Part identification numbers を検索,Table 322. よりHex codingを入力.
  • ram_size:
    • Product data sheet よりOrdering options を検索しTable2より上記Deviceと同じターゲットのRAMサイズを記載(byte)
  • flash_size:
    • Product data sheet よりOrdering options を検索しTable2より上記Deviceと同じターゲットのFlashサイズを記載(byte)
      尚,1KBは1024byteにて計算
  • sector_size:
    • UMから Flash configuration を検索し25.5 General description に「The size of a sector is 1 KB and the size of a page is 64 Byte. One sector contains 16 pages.」と記載があるので,ターゲットのSectorサイズを記載(byte単位).今回の場合は1KBなので1024byte.
    • LPC176xシリーズのセクタサイズは,最初の16セクタが4KB,残りを32KBとしているため一定の値では表せません.これに対応するため特別な値を用意して,プログラム内でその値を検出した際には実際の構成に則した計算を行うようにしています.
  • ram_start_address:
    • UMからUART ISP Write to RAM command もしくは Write to RAM を検索.Example に書いてあるアドレスを記載する.

参考

日本語版だけの(何の役にも立たない)参考情報

Information

何故このプログラムが作られたか.そして何故こんな名前なのか.
こちらを御覧ください →→ イカ醤油ポッポ焼きはイカにして生まれたか(´(ェ)`;

このプログラムを作ってみるきっかけになったツイート.

(´(ェ)`)

Committer:
okano
Date:
Wed Aug 12 08:34:47 2015 +0000
Revision:
52:4b1a0488e0e3
Parent:
47:e7d395119a63
LPC1115 support added

Who changed what in which revision?

UserRevisionLine numberNew contents of line
okano 24:9830b4f1207b 1 #include "mbed.h"
okano 24:9830b4f1207b 2 #include "verification.h"
okano 24:9830b4f1207b 3 #include "command_interface.h"
okano 24:9830b4f1207b 4 #include "uu_coding.h"
okano 24:9830b4f1207b 5 #include "serial_utilities.h"
okano 24:9830b4f1207b 6 #include "writing.h"
okano 30:e0d7524661ca 7 #include "isp.h"
okano 47:e7d395119a63 8 #include "_user_settings.h"
okano 28:689c3880e0e4 9
okano 24:9830b4f1207b 10
okano 47:e7d395119a63 11
okano 47:e7d395119a63 12 int verify_binary_data( FILE *fp, int *transferred_size_p, int file_size );
okano 47:e7d395119a63 13 int verify_uucoded_data( FILE *fp, int *transferred_size_p, int file_size );
okano 24:9830b4f1207b 14 void get_binary_from_uucode_str( char *b, int size );
okano 24:9830b4f1207b 15
okano 24:9830b4f1207b 16
okano 47:e7d395119a63 17 int verify_flash( FILE *fp, target_param *tpp, int *transferred_size_p, int file_size )
okano 24:9830b4f1207b 18 {
okano 24:9830b4f1207b 19 if ( tpp->write_type == BINARY )
okano 47:e7d395119a63 20 return ( verify_binary_data( fp, transferred_size_p, file_size ) );
okano 24:9830b4f1207b 21 else
okano 47:e7d395119a63 22 return ( verify_uucoded_data( fp, transferred_size_p, file_size ) );
okano 24:9830b4f1207b 23 }
okano 24:9830b4f1207b 24
okano 24:9830b4f1207b 25
okano 47:e7d395119a63 26 int verify_binary_data( FILE *fp, int *read_size_p, int file_size )
okano 24:9830b4f1207b 27 {
okano 24:9830b4f1207b 28 char command_str[ STR_BUFF_SIZE ];
okano 24:9830b4f1207b 29 int read_size = 0;
okano 24:9830b4f1207b 30 int size;
okano 24:9830b4f1207b 31 int flash_reading_size;
okano 24:9830b4f1207b 32 char *bf;
okano 24:9830b4f1207b 33 char *br;
okano 24:9830b4f1207b 34 int error_flag = 0;
okano 24:9830b4f1207b 35 unsigned long checksum = 0;
okano 24:9830b4f1207b 36 unsigned long checksum_count = 0;
okano 24:9830b4f1207b 37
okano 29:96e28bc1bd99 38
okano 24:9830b4f1207b 39 fseek( fp, 0, SEEK_SET ); // seek back to beginning of file
okano 24:9830b4f1207b 40
okano 24:9830b4f1207b 41 flash_reading_size = 128;
okano 24:9830b4f1207b 42
okano 24:9830b4f1207b 43 if ( NULL == (bf = (char *)malloc( flash_reading_size * sizeof( char ) )) )
okano 28:689c3880e0e4 44 return( ERROR_AT_MALLOC_FOR_VERIFY_FILE_BUFF );
okano 24:9830b4f1207b 45
okano 24:9830b4f1207b 46 if ( NULL == (br = (char *)malloc( flash_reading_size * sizeof( char ) )) )
okano 28:689c3880e0e4 47 return( ERROR_AT_MALLOC_FOR_VERIFY_DATA_BUFF );
okano 24:9830b4f1207b 48
okano 24:9830b4f1207b 49
okano 24:9830b4f1207b 50 while ( size = fread( bf, sizeof( char ), flash_reading_size, fp ) ) {
okano 24:9830b4f1207b 51
okano 24:9830b4f1207b 52 if ( read_size < 0x20 ) {
okano 24:9830b4f1207b 53 for ( int i = 0; i < flash_reading_size; i += 4 ) {
okano 24:9830b4f1207b 54
okano 24:9830b4f1207b 55 if ( checksum_count == 7 ) {
okano 24:9830b4f1207b 56 checksum = 0xFFFFFFFF - checksum + 1;
okano 24:9830b4f1207b 57 *((unsigned int *)(bf + i)) = checksum;
okano 26:a63e73885b21 58 //printf( "\r\n\r\n -- calculated checksum : 0x%08X\r\n", checksum );
okano 24:9830b4f1207b 59 } else {
okano 24:9830b4f1207b 60 checksum += *((unsigned int *)(bf + i));
okano 24:9830b4f1207b 61 }
okano 26:a63e73885b21 62
okano 24:9830b4f1207b 63 checksum_count++;
okano 24:9830b4f1207b 64 }
okano 24:9830b4f1207b 65 }
okano 24:9830b4f1207b 66
okano 24:9830b4f1207b 67
okano 38:cb95bfe0546a 68 sprintf( command_str, "R %ld %ld\r\n", read_size, (size + 3) & ~0x3 ); // reading size must be 4*N
okano 35:0b434ef4af49 69 if ( try_and_check( command_str, "0" ) )
okano 27:2b5c1eb39bb5 70 return ( ERROR_AT_READ_COMMAND );
okano 24:9830b4f1207b 71
okano 24:9830b4f1207b 72 get_binary( br, 1 );
okano 24:9830b4f1207b 73 get_binary( br, size );
okano 24:9830b4f1207b 74
okano 24:9830b4f1207b 75 for ( int i = 0; i < size; i++ ) {
okano 24:9830b4f1207b 76 // printf( " %s 0x%02X --- 0x%02X\r\n", (*(bf + i) != *(br + i)) ? "***" : " ", *(bf + i), *(br + i) );
okano 24:9830b4f1207b 77 if ( (*(bf + i) != *(br + i)) ) {
okano 24:9830b4f1207b 78 // printf( " %s 0x%02X --- 0x%02X\r\n", (*(bf + i) != *(br + i)) ? "***" : " ", *(bf + i), *(br + i) );
okano 24:9830b4f1207b 79 error_flag++;
okano 24:9830b4f1207b 80 }
okano 24:9830b4f1207b 81 }
okano 24:9830b4f1207b 82
okano 24:9830b4f1207b 83 if ( error_flag )
okano 24:9830b4f1207b 84 break;
okano 26:a63e73885b21 85
okano 24:9830b4f1207b 86 read_size += size;
okano 47:e7d395119a63 87
okano 47:e7d395119a63 88 #ifdef ENABLE_PROGRESS_DISPLAY
okano 47:e7d395119a63 89 show_progress( read_size, file_size );
okano 47:e7d395119a63 90 #endif
okano 24:9830b4f1207b 91 }
okano 26:a63e73885b21 92
okano 24:9830b4f1207b 93 free( bf );
okano 24:9830b4f1207b 94 free( br );
okano 24:9830b4f1207b 95
okano 29:96e28bc1bd99 96 *read_size_p = read_size;
okano 29:96e28bc1bd99 97
okano 27:2b5c1eb39bb5 98 return ( error_flag ? ERROR_DATA_DOES_NOT_MATCH : NO_ERROR );
okano 24:9830b4f1207b 99 }
okano 24:9830b4f1207b 100
okano 24:9830b4f1207b 101
okano 34:eaca33d3e632 102 #define LINE_BYTES 44
okano 34:eaca33d3e632 103 #define N_OF_LINES 4
okano 34:eaca33d3e632 104 #define READ_SIZE (LINE_BYTES * N_OF_LINES)
okano 34:eaca33d3e632 105
okano 34:eaca33d3e632 106
okano 47:e7d395119a63 107 int verify_uucoded_data( FILE *fp, int *read_size_p, int file_size )
okano 24:9830b4f1207b 108 {
okano 24:9830b4f1207b 109 char command_str[ STR_BUFF_SIZE ];
okano 24:9830b4f1207b 110 int read_size = 0;
okano 24:9830b4f1207b 111 int size;
okano 24:9830b4f1207b 112 int flash_reading_size;
okano 24:9830b4f1207b 113 char *bf;
okano 24:9830b4f1207b 114 char *br;
okano 24:9830b4f1207b 115 int error_flag = 0;
okano 24:9830b4f1207b 116
okano 34:eaca33d3e632 117 flash_reading_size = READ_SIZE;
okano 24:9830b4f1207b 118
okano 24:9830b4f1207b 119 initialize_uud_table();
okano 24:9830b4f1207b 120
okano 24:9830b4f1207b 121 if ( NULL == (bf = (char *)malloc( flash_reading_size * sizeof( char ) )) )
okano 24:9830b4f1207b 122 error( "malloc error happened (in verify process, file data buffer)\r\n" );
okano 24:9830b4f1207b 123
okano 24:9830b4f1207b 124 if ( NULL == (br = (char *)malloc( flash_reading_size * sizeof( char ) )) )
okano 24:9830b4f1207b 125 error( "malloc error happened (in verify process, read data buffer)\r\n" );
okano 24:9830b4f1207b 126
okano 24:9830b4f1207b 127 fseek( fp, 0, SEEK_SET ); // seek back to beginning of file
okano 24:9830b4f1207b 128
okano 24:9830b4f1207b 129 while ( size = fread( bf, sizeof( char ), flash_reading_size, fp ) ) {
okano 24:9830b4f1207b 130
okano 24:9830b4f1207b 131 if ( !read_size ) {
okano 24:9830b4f1207b 132 // overwriting 4 bytes data for address=0x1C
okano 24:9830b4f1207b 133 // there is a slot for checksum that is checked in (target's) boot process
okano 24:9830b4f1207b 134 add_isp_checksum( bf );
okano 24:9830b4f1207b 135 }
okano 24:9830b4f1207b 136
okano 38:cb95bfe0546a 137 sprintf( command_str, "R %ld %ld\r\n", read_size, (size + 3) & ~0x3 ); // reading size must be 4*N
okano 35:0b434ef4af49 138 if ( try_and_check( command_str, "0" ) )
okano 27:2b5c1eb39bb5 139 return ( ERROR_AT_READ_COMMAND );
okano 24:9830b4f1207b 140
okano 24:9830b4f1207b 141 get_binary_from_uucode_str( br, size );
okano 24:9830b4f1207b 142
okano 24:9830b4f1207b 143 for ( int i = 0; i < size; i++ ) {
okano 24:9830b4f1207b 144 // printf( " %s 0x%02X --- 0x%02X\r\n", (*(bf + i) != *(br + i)) ? "***" : " ", *(bf + i), *(br + i) );
okano 24:9830b4f1207b 145 if ( (*(bf + i) != *(br + i)) ) {
okano 38:cb95bfe0546a 146 // printf( " %s 0x%02X --- 0x%02X\r\n", (*(bf + i) != *(br + i)) ? "***" : " ", *(bf + i), *(br + i) );
okano 24:9830b4f1207b 147 error_flag++;
okano 24:9830b4f1207b 148 }
okano 24:9830b4f1207b 149 }
okano 24:9830b4f1207b 150
okano 24:9830b4f1207b 151 if ( error_flag )
okano 24:9830b4f1207b 152 break;
okano 26:a63e73885b21 153
okano 24:9830b4f1207b 154 read_size += size;
okano 47:e7d395119a63 155
okano 47:e7d395119a63 156 #ifdef ENABLE_PROGRESS_DISPLAY
okano 47:e7d395119a63 157 show_progress( read_size, file_size );
okano 47:e7d395119a63 158 #endif
okano 24:9830b4f1207b 159 }
okano 24:9830b4f1207b 160
okano 24:9830b4f1207b 161 free( bf );
okano 24:9830b4f1207b 162 free( br );
okano 24:9830b4f1207b 163
okano 29:96e28bc1bd99 164 *read_size_p = read_size;
okano 29:96e28bc1bd99 165
okano 27:2b5c1eb39bb5 166 return ( error_flag ? ERROR_DATA_DOES_NOT_MATCH : NO_ERROR );
okano 24:9830b4f1207b 167 }
okano 24:9830b4f1207b 168
okano 24:9830b4f1207b 169
okano 24:9830b4f1207b 170 void get_binary_from_uucode_str( char *b, int size )
okano 24:9830b4f1207b 171 {
okano 34:eaca33d3e632 172 char s[ N_OF_LINES ][ STR_BUFF_SIZE ];
okano 24:9830b4f1207b 173 char ss[ STR_BUFF_SIZE ];
okano 24:9830b4f1207b 174 long checksum = 0;
okano 24:9830b4f1207b 175 int line_count = 0;
okano 24:9830b4f1207b 176 int read_size = 0;
okano 24:9830b4f1207b 177 int retry_count = 3;
okano 24:9830b4f1207b 178
okano 38:cb95bfe0546a 179 size = (size + 3) & ~0x3;
okano 24:9830b4f1207b 180
okano 24:9830b4f1207b 181 while ( retry_count-- ) {
okano 24:9830b4f1207b 182
okano 34:eaca33d3e632 183 for ( int i = 0; i < ((READ_SIZE < size) ? N_OF_LINES : ((size - 1) / LINE_BYTES) + 1) ; i++ )
okano 24:9830b4f1207b 184 get_string( s[ i ] );
okano 24:9830b4f1207b 185
okano 24:9830b4f1207b 186 get_string( ss );
okano 24:9830b4f1207b 187
okano 24:9830b4f1207b 188
okano 24:9830b4f1207b 189 while ( size ) {
okano 24:9830b4f1207b 190 read_size = uudecode_a_line( b, s[ line_count ] );
okano 24:9830b4f1207b 191
okano 24:9830b4f1207b 192 for ( int i = 0; i < read_size; i++ )
okano 24:9830b4f1207b 193 checksum += *b++;
okano 24:9830b4f1207b 194
okano 24:9830b4f1207b 195 size -= read_size;
okano 24:9830b4f1207b 196 line_count++;
okano 24:9830b4f1207b 197 }
okano 24:9830b4f1207b 198
okano 24:9830b4f1207b 199 // printf( " checksum -- %s (internal = %ld)\r\n", ss, checksum );
okano 24:9830b4f1207b 200
okano 24:9830b4f1207b 201 if ( checksum == atol( ss ) ) {
okano 24:9830b4f1207b 202 put_string( "OK\r\n" );
okano 24:9830b4f1207b 203 return;
okano 24:9830b4f1207b 204 // printf( " checksum OK\r\n" );
okano 24:9830b4f1207b 205 } else {
okano 24:9830b4f1207b 206 printf( " checksum RESEND\r\n" );
okano 24:9830b4f1207b 207 put_string( "RESEND\r\n" );
okano 24:9830b4f1207b 208 }
okano 24:9830b4f1207b 209 }
okano 24:9830b4f1207b 210 }