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 28 05:07:22 2013 +0000
Revision:
13:60995bf8b2c7
Parent:
12:5a33b5d39792
Child:
14:a7b9f74fb856
corrected a bug of reset_target() function

Who changed what in which revision?

UserRevisionLine numberNew contents of line
okano 11:8dfc3217d1ca 1 /**
okano 11:8dfc3217d1ca 2 * Sample of ISP operation for NXP MCUs
okano 11:8dfc3217d1ca 3 *
okano 11:8dfc3217d1ca 4 * @author Akifumi (Tedd) OKANO, NXP Semiconductors
okano 12:5a33b5d39792 5 * @version 0.5
okano 11:8dfc3217d1ca 6 * @date Aug-2013
okano 11:8dfc3217d1ca 7 */
okano 11:8dfc3217d1ca 8
okano 5:ff30f5b58617 9 #include "mbed.h"
okano 5:ff30f5b58617 10 #include "target_table.h"
okano 0:6baefda2e511 11
okano 2:8d75eb0ecd20 12 BusOut leds( LED4, LED3, LED2, LED1 );
okano 2:8d75eb0ecd20 13 DigitalOut reset_pin( p26 );
okano 2:8d75eb0ecd20 14 DigitalOut isp_pin( p25 );
okano 2:8d75eb0ecd20 15 Serial target ( p28, p27 );
okano 2:8d75eb0ecd20 16 LocalFileSystem local( "local" );
okano 0:6baefda2e511 17
okano 12:5a33b5d39792 18 #define ENTER_TO_ISP_MODE 0
okano 12:5a33b5d39792 19 #define NO_ISP_MODE 1
okano 12:5a33b5d39792 20 #define STR_BUFF_SIZE 64
okano 12:5a33b5d39792 21
okano 1:54e619428ae6 22 #define SOURCE_FILE "/local/bin"
okano 8:b220fadbb3d8 23 #define BAUD_RATE 115200
okano 4:55f1977bd11a 24 //#define BAUD_RATE 57600
okano 8:b220fadbb3d8 25 //#define BAUD_RATE 9600
okano 4:55f1977bd11a 26
okano 8:b220fadbb3d8 27 int error_state = 0;
okano 7:815366f003ee 28
okano 7:815366f003ee 29 int file_size( FILE *fp );
okano 7:815366f003ee 30 void reset_target( int isp_pin_state );
okano 7:815366f003ee 31 int try_and_check( char *command, char *expected_return_str, int mode );
okano 7:815366f003ee 32 int try_and_check2( char *command, char *expected_return_str, int mode );
okano 7:815366f003ee 33 void print_command( char *command );
okano 7:815366f003ee 34 void print_result( int r );
okano 7:815366f003ee 35 char read_byte( void );
okano 7:815366f003ee 36 void erase_sectors( int last_sector );
okano 12:5a33b5d39792 37 int write_uuencoded_data( FILE *fp, int ram_size, int sector_size, unsigned int );
okano 12:5a33b5d39792 38 int write_binary_data( FILE *fp, int ram_size, int sector_size, unsigned int ram_start );
okano 7:815366f003ee 39 void initialize_uue_table( void );
okano 11:8dfc3217d1ca 40 long bin2uue( char *bin, char *str, int size );
okano 12:5a33b5d39792 41 int get_flash_writing_size( int ram_size, unsigned int ram_start );
okano 7:815366f003ee 42 void add_isp_checksum( char *b );
okano 7:815366f003ee 43 void send_RAM_transfer_checksum( int checksum );
okano 7:815366f003ee 44 void put_string( char *s );
okano 12:5a33b5d39792 45 void put_binary( char *b, int size );
okano 7:815366f003ee 46 void get_string( char *s );
okano 7:815366f003ee 47
okano 12:5a33b5d39792 48 #pragma diag_suppress 1293 // surpressing a warning message of "assignment in condition" ;)
okano 12:5a33b5d39792 49
okano 7:815366f003ee 50
okano 7:815366f003ee 51 int main()
okano 7:815366f003ee 52 {
okano 7:815366f003ee 53 FILE *fp;
okano 7:815366f003ee 54 char str_buf0[ STR_BUFF_SIZE ];
okano 7:815366f003ee 55 char str_buf1[ STR_BUFF_SIZE ];
okano 7:815366f003ee 56 int data_size;
okano 7:815366f003ee 57 int last_sector;
okano 7:815366f003ee 58 target_param *tpp;
okano 8:b220fadbb3d8 59
okano 7:815366f003ee 60 printf( "\r\n\r\n\r\nmbed ISP program : programming LPC device from mbed\r\n" );
okano 7:815366f003ee 61
okano 7:815366f003ee 62 target.baud( BAUD_RATE );
okano 8:b220fadbb3d8 63
okano 7:815366f003ee 64 reset_target( ENTER_TO_ISP_MODE );
okano 8:b220fadbb3d8 65
okano 7:815366f003ee 66 try_and_check( "?", "Synchronized", 0 );
okano 8:b220fadbb3d8 67
okano 7:815366f003ee 68 try_and_check2( "Synchronized\r\n", "OK", 0 );
okano 7:815366f003ee 69 try_and_check2( "12000\r\n", "OK", 0 );
okano 7:815366f003ee 70 try_and_check2( "U 23130\r\n", "0", 0 );
okano 7:815366f003ee 71 try_and_check2( "A 0\r\n", "0", 0 );
okano 8:b220fadbb3d8 72
okano 7:815366f003ee 73 try_and_check( "K\r\n", "0", 0 );
okano 7:815366f003ee 74 get_string( str_buf0 );
okano 7:815366f003ee 75 get_string( str_buf1 );
okano 8:b220fadbb3d8 76
okano 7:815366f003ee 77 printf( " result of \"K\" = %s %s\r\n", str_buf0, str_buf1 );
okano 8:b220fadbb3d8 78
okano 7:815366f003ee 79 try_and_check( "J\r\n", "0", 0 );
okano 7:815366f003ee 80 get_string( str_buf0 );
okano 8:b220fadbb3d8 81
okano 7:815366f003ee 82 printf( " result of \"J\" = %s\r\n", str_buf0 );
okano 8:b220fadbb3d8 83
okano 7:815366f003ee 84 tpp = find_target_param( str_buf0 );
okano 8:b220fadbb3d8 85 printf( " target device found : type = \"%s\"\r\n", tpp->type_name );
okano 8:b220fadbb3d8 86 printf( " ID = 0x%08X\r\n", tpp->id );
okano 8:b220fadbb3d8 87 printf( " RAM size = %10d bytes\r\n", tpp->ram_size );
okano 8:b220fadbb3d8 88 printf( " flash size = %10d bytes\r\n", tpp->flash_size );
okano 8:b220fadbb3d8 89
okano 12:5a33b5d39792 90 printf( " opening file: \"%s\"\r\n", SOURCE_FILE );
okano 12:5a33b5d39792 91
okano 12:5a33b5d39792 92 if ( NULL == (fp = fopen( SOURCE_FILE, "rb" )) ) {
okano 12:5a33b5d39792 93 error( "couldn't open source file" );
okano 12:5a33b5d39792 94 return ( 1 );
okano 12:5a33b5d39792 95 }
okano 12:5a33b5d39792 96
okano 12:5a33b5d39792 97 data_size = file_size( fp );
okano 12:5a33b5d39792 98 last_sector = data_size / tpp->sector_size;
okano 12:5a33b5d39792 99
okano 12:5a33b5d39792 100 printf( " data size = %d bytes, it takes %d secotrs in flash area\r\n", data_size, last_sector + 1 );
okano 12:5a33b5d39792 101 printf( " resetting target\r\n" );
okano 12:5a33b5d39792 102
okano 7:815366f003ee 103 erase_sectors( last_sector );
okano 12:5a33b5d39792 104
okano 12:5a33b5d39792 105 if ( tpp->write_type == BINARY )
okano 12:5a33b5d39792 106 write_binary_data( fp, tpp->ram_size, tpp->sector_size, tpp->ram_start_address );
okano 12:5a33b5d39792 107 else // UUENCODE
okano 12:5a33b5d39792 108 write_uuencoded_data( fp, tpp->ram_size, tpp->sector_size, tpp->ram_start_address );
okano 12:5a33b5d39792 109
okano 7:815366f003ee 110 fclose( fp );
okano 8:b220fadbb3d8 111
okano 8:b220fadbb3d8 112 printf( "\r\n %s\r\n\r\n",
okano 8:b220fadbb3d8 113 error_state ?
okano 8:b220fadbb3d8 114 "** The data could not be written :(" :
okano 8:b220fadbb3d8 115 "** The data has been written successflly :)"
okano 8:b220fadbb3d8 116 );
okano 8:b220fadbb3d8 117
okano 7:815366f003ee 118 int i = 0;
okano 8:b220fadbb3d8 119
okano 7:815366f003ee 120 while ( 1 ) {
okano 7:815366f003ee 121 leds = 0x1 << (i++ & 0x3);
okano 7:815366f003ee 122 wait( 0.1 );
okano 7:815366f003ee 123 }
okano 7:815366f003ee 124 }
okano 7:815366f003ee 125
okano 7:815366f003ee 126
okano 7:815366f003ee 127 int file_size( FILE *fp )
okano 7:815366f003ee 128 {
okano 7:815366f003ee 129 int size;
okano 8:b220fadbb3d8 130
okano 7:815366f003ee 131 fseek( fp, 0, SEEK_END ); // seek to end of file
okano 7:815366f003ee 132 size = ftell( fp ); // get current file pointer
okano 7:815366f003ee 133 fseek( fp, 0, SEEK_SET ); // seek back to beginning of file
okano 8:b220fadbb3d8 134
okano 7:815366f003ee 135 return size;
okano 7:815366f003ee 136 }
okano 7:815366f003ee 137
okano 7:815366f003ee 138
okano 7:815366f003ee 139 void reset_target( int isp_pin_state )
okano 7:815366f003ee 140 {
okano 7:815366f003ee 141 reset_pin = 1;
okano 13:60995bf8b2c7 142 isp_pin = isp_pin_state;
okano 7:815366f003ee 143 wait_ms( 100 );
okano 13:60995bf8b2c7 144
okano 7:815366f003ee 145 reset_pin = 0;
okano 7:815366f003ee 146 wait_ms( 100 );
okano 13:60995bf8b2c7 147
okano 7:815366f003ee 148 reset_pin = 1;
okano 7:815366f003ee 149 wait_ms( 100 );
okano 7:815366f003ee 150 }
okano 7:815366f003ee 151
okano 7:815366f003ee 152
okano 7:815366f003ee 153 int try_and_check( char *command, char *expected_return_str, int mode )
okano 7:815366f003ee 154 {
okano 7:815366f003ee 155 char rtn_str[ STR_BUFF_SIZE ];
okano 8:b220fadbb3d8 156 int result = 1;
okano 8:b220fadbb3d8 157
okano 7:815366f003ee 158 print_command( command );
okano 7:815366f003ee 159 put_string( command );
okano 8:b220fadbb3d8 160
okano 7:815366f003ee 161 get_string( rtn_str );
okano 7:815366f003ee 162 print_result( result = strcmp( expected_return_str, rtn_str ) );
okano 8:b220fadbb3d8 163
okano 8:b220fadbb3d8 164 if ( result && !mode )
okano 8:b220fadbb3d8 165 error( "command failed\r\n" );
okano 8:b220fadbb3d8 166
okano 8:b220fadbb3d8 167 error_state |= result;
okano 8:b220fadbb3d8 168
okano 7:815366f003ee 169 return ( result );
okano 7:815366f003ee 170 }
okano 7:815366f003ee 171
okano 7:815366f003ee 172
okano 7:815366f003ee 173 int try_and_check2( char *command, char *expected_return_str, int mode )
okano 7:815366f003ee 174 {
okano 7:815366f003ee 175 char rtn_str[ STR_BUFF_SIZE ];
okano 8:b220fadbb3d8 176 int result = 1;
okano 8:b220fadbb3d8 177
okano 7:815366f003ee 178 print_command( command );
okano 7:815366f003ee 179 put_string( command );
okano 8:b220fadbb3d8 180
okano 7:815366f003ee 181 get_string( rtn_str ); // just readout echoback
okano 7:815366f003ee 182 get_string( rtn_str );
okano 7:815366f003ee 183 print_result( result = strcmp( expected_return_str, rtn_str ) );
okano 8:b220fadbb3d8 184
okano 8:b220fadbb3d8 185 if ( result && !mode )
okano 8:b220fadbb3d8 186 error( "command failed\r\n" );
okano 8:b220fadbb3d8 187
okano 8:b220fadbb3d8 188 error_state |= result;
okano 8:b220fadbb3d8 189
okano 7:815366f003ee 190 return ( result );
okano 7:815366f003ee 191 }
okano 7:815366f003ee 192
okano 7:815366f003ee 193
okano 7:815366f003ee 194 void print_command( char *command )
okano 7:815366f003ee 195 {
okano 7:815366f003ee 196 char s[ STR_BUFF_SIZE ];
okano 7:815366f003ee 197 char *pos;
okano 8:b220fadbb3d8 198
okano 7:815366f003ee 199 strcpy( s, command );
okano 8:b220fadbb3d8 200
okano 7:815366f003ee 201 if ( pos = strchr( s, '\r' ) )
okano 7:815366f003ee 202 *pos = '\0';
okano 8:b220fadbb3d8 203
okano 7:815366f003ee 204 if ( pos = strchr( s, '\n' ) )
okano 7:815366f003ee 205 *pos = '\0';
okano 8:b220fadbb3d8 206
okano 7:815366f003ee 207 printf( " command-\"%s\" : ", s );
okano 7:815366f003ee 208 }
okano 7:815366f003ee 209
okano 7:815366f003ee 210
okano 7:815366f003ee 211 void print_result( int r )
okano 7:815366f003ee 212 {
okano 7:815366f003ee 213 printf( "%s\r\n", r ? "Fail" : "Pass" );
okano 7:815366f003ee 214 }
okano 7:815366f003ee 215
okano 7:815366f003ee 216
okano 7:815366f003ee 217 char read_byte( void )
okano 7:815366f003ee 218 {
okano 7:815366f003ee 219 while ( !target.readable() )
okano 7:815366f003ee 220 ;
okano 8:b220fadbb3d8 221
okano 7:815366f003ee 222 return ( target.getc() );
okano 7:815366f003ee 223 }
okano 7:815366f003ee 224
okano 7:815366f003ee 225
okano 7:815366f003ee 226 void erase_sectors( int last_sector )
okano 7:815366f003ee 227 {
okano 7:815366f003ee 228 char command_str[ STR_BUFF_SIZE ];
okano 8:b220fadbb3d8 229
okano 7:815366f003ee 230 sprintf( command_str, "P 0 %d\r\n", last_sector );
okano 7:815366f003ee 231 try_and_check( command_str, "0", 0 );
okano 8:b220fadbb3d8 232
okano 7:815366f003ee 233 *(command_str) = 'E';
okano 7:815366f003ee 234 try_and_check( command_str, "0", 0 );
okano 7:815366f003ee 235 }
okano 7:815366f003ee 236
okano 12:5a33b5d39792 237 #define BYTES_PER_LINE 45
okano 12:5a33b5d39792 238 char uue_table[ 64 ];
okano 7:815366f003ee 239
okano 12:5a33b5d39792 240 int write_uuencoded_data( FILE *fp, int ram_size, int sector_size, unsigned int ram_start )
okano 7:815366f003ee 241 {
okano 7:815366f003ee 242 char command_str[ STR_BUFF_SIZE ];
okano 7:815366f003ee 243 long checksum = 0;
okano 7:815366f003ee 244 int total_size = 0;
okano 7:815366f003ee 245 int size;
okano 8:b220fadbb3d8 246
okano 7:815366f003ee 247 int flash_writing_size;
okano 7:815366f003ee 248 int lines_per_transfer;
okano 7:815366f003ee 249 int transfer_size;
okano 8:b220fadbb3d8 250
okano 12:5a33b5d39792 251 char *b;
okano 12:5a33b5d39792 252
okano 7:815366f003ee 253 initialize_uue_table();
okano 8:b220fadbb3d8 254
okano 12:5a33b5d39792 255 flash_writing_size = get_flash_writing_size( ram_size, ram_start );
okano 11:8dfc3217d1ca 256 lines_per_transfer = ((flash_writing_size / BYTES_PER_LINE) + 1);
okano 11:8dfc3217d1ca 257 transfer_size = (((flash_writing_size + 11) / 12) * 12);
okano 8:b220fadbb3d8 258
okano 7:815366f003ee 259 // char b[ transfer_size ]; // this can be done in mbed-compiler. but I should do it in common way
okano 8:b220fadbb3d8 260
okano 7:815366f003ee 261 if ( NULL == (b = (char *)malloc( transfer_size * sizeof( char ) )) )
okano 7:815366f003ee 262 error( "malloc error happened\r\n" );
okano 8:b220fadbb3d8 263
okano 7:815366f003ee 264 for ( int i = flash_writing_size; i < transfer_size; i++ )
okano 7:815366f003ee 265 b[ i ] = 0; // this is not neccesary but just stuffing stuffing bytes
okano 8:b220fadbb3d8 266
okano 7:815366f003ee 267 while ( size = fread( b, sizeof( char ), flash_writing_size, fp ) ) {
okano 8:b220fadbb3d8 268
okano 7:815366f003ee 269 if ( !total_size ) {
okano 7:815366f003ee 270 // overwriting 4 bytes data for address=0x1C
okano 7:815366f003ee 271 // there is a slot for checksum that is checked in (target's) boot process
okano 7:815366f003ee 272 add_isp_checksum( b );
okano 7:815366f003ee 273 }
okano 8:b220fadbb3d8 274
okano 12:5a33b5d39792 275 sprintf( command_str, "W %ld %ld\r\n", ram_start, transfer_size );
okano 7:815366f003ee 276 try_and_check( command_str, "0", 0 );
okano 8:b220fadbb3d8 277
okano 7:815366f003ee 278 for ( int i = 0; i < lines_per_transfer; i++ ) {
okano 12:5a33b5d39792 279
okano 11:8dfc3217d1ca 280 checksum += bin2uue( b + (i * BYTES_PER_LINE), command_str, i == (lines_per_transfer - 1) ? (transfer_size % BYTES_PER_LINE) : BYTES_PER_LINE );
okano 8:b220fadbb3d8 281
okano 13:60995bf8b2c7 282 // printf( " data -- %02d %s\r", i, command_str );
okano 8:b220fadbb3d8 283
okano 7:815366f003ee 284 put_string( command_str );
okano 8:b220fadbb3d8 285
okano 7:815366f003ee 286 if ( !((i + 1) % 20) ) {
okano 7:815366f003ee 287 send_RAM_transfer_checksum( checksum );
okano 7:815366f003ee 288 checksum = 0;
okano 7:815366f003ee 289 }
okano 7:815366f003ee 290 }
okano 8:b220fadbb3d8 291
okano 7:815366f003ee 292 send_RAM_transfer_checksum( checksum );
okano 7:815366f003ee 293 checksum = 0;
okano 8:b220fadbb3d8 294
okano 12:5a33b5d39792 295 sprintf( command_str, "P %d %d\r\n", total_size / sector_size, total_size / sector_size );
okano 7:815366f003ee 296 try_and_check( command_str, "0", 0 );
okano 8:b220fadbb3d8 297
okano 12:5a33b5d39792 298 sprintf( command_str, "C %d %d %d\r\n", total_size, ram_start, flash_writing_size );
okano 7:815366f003ee 299 try_and_check( command_str, "0", 0 );
okano 8:b220fadbb3d8 300
okano 7:815366f003ee 301 total_size += size;
okano 7:815366f003ee 302 }
okano 8:b220fadbb3d8 303
okano 7:815366f003ee 304 try_and_check( "G 0 T\r\n", "0", 0 );
okano 7:815366f003ee 305 free( b );
okano 8:b220fadbb3d8 306
okano 12:5a33b5d39792 307 return ( total_size );
okano 7:815366f003ee 308 }
okano 7:815366f003ee 309
okano 7:815366f003ee 310
okano 12:5a33b5d39792 311 int write_binary_data( FILE *fp, int ram_size, int sector_size, unsigned int ram_start )
okano 12:5a33b5d39792 312 {
okano 12:5a33b5d39792 313 char command_str[ STR_BUFF_SIZE ];
okano 12:5a33b5d39792 314 int total_size = 0;
okano 12:5a33b5d39792 315 int size;
okano 12:5a33b5d39792 316 int flash_writing_size;
okano 12:5a33b5d39792 317 char *b;
okano 12:5a33b5d39792 318
okano 12:5a33b5d39792 319 flash_writing_size = 256;
okano 12:5a33b5d39792 320
okano 12:5a33b5d39792 321 if ( NULL == (b = (char *)malloc( flash_writing_size * sizeof( char ) )) )
okano 12:5a33b5d39792 322 error( "malloc error happened\r\n" );
okano 12:5a33b5d39792 323
okano 12:5a33b5d39792 324 while ( size = fread( b, sizeof( char ), flash_writing_size, fp ) ) {
okano 12:5a33b5d39792 325
okano 12:5a33b5d39792 326 if ( !total_size ) {
okano 12:5a33b5d39792 327 // overwriting 4 bytes data for address=0x1C
okano 12:5a33b5d39792 328 // there is a slot for checksum that is checked in (target's) boot process
okano 12:5a33b5d39792 329 add_isp_checksum( b );
okano 12:5a33b5d39792 330 }
okano 12:5a33b5d39792 331
okano 12:5a33b5d39792 332 sprintf( command_str, "W %ld %ld\r\n", ram_start, flash_writing_size );
okano 12:5a33b5d39792 333 try_and_check( command_str, "0", 0 );
okano 12:5a33b5d39792 334
okano 12:5a33b5d39792 335 put_binary( b, flash_writing_size );
okano 12:5a33b5d39792 336 put_string( "\r\n" );
okano 12:5a33b5d39792 337
okano 12:5a33b5d39792 338 sprintf( command_str, "P %d %d\r\n", total_size / sector_size, total_size / sector_size );
okano 12:5a33b5d39792 339 try_and_check( command_str, "0", 0 );
okano 12:5a33b5d39792 340
okano 12:5a33b5d39792 341 sprintf( command_str, "C %d %d %d\r\n", total_size, ram_start, flash_writing_size );
okano 12:5a33b5d39792 342 try_and_check( command_str, "0", 0 );
okano 12:5a33b5d39792 343
okano 12:5a33b5d39792 344 total_size += size;
okano 12:5a33b5d39792 345 printf( " total %d bytes transferred\r", total_size );
okano 12:5a33b5d39792 346
okano 12:5a33b5d39792 347 }
okano 12:5a33b5d39792 348
okano 12:5a33b5d39792 349 free( b );
okano 12:5a33b5d39792 350
okano 12:5a33b5d39792 351 return ( total_size );
okano 12:5a33b5d39792 352 }
okano 12:5a33b5d39792 353
okano 7:815366f003ee 354 void initialize_uue_table( void )
okano 7:815366f003ee 355 {
okano 7:815366f003ee 356 int i;
okano 8:b220fadbb3d8 357
okano 7:815366f003ee 358 uue_table[0] = 0x60; // 0x20 is translated to 0x60 !
okano 8:b220fadbb3d8 359
okano 7:815366f003ee 360 for (i = 1; i < 64; i++) {
okano 7:815366f003ee 361 uue_table[i] = (char)(0x20 + i);
okano 7:815366f003ee 362 }
okano 7:815366f003ee 363 }
okano 7:815366f003ee 364
okano 7:815366f003ee 365
okano 11:8dfc3217d1ca 366 long bin2uue( char *bin, char *str, int size )
okano 7:815366f003ee 367 {
okano 7:815366f003ee 368 unsigned long v;
okano 7:815366f003ee 369 long checksum = 0;
okano 7:815366f003ee 370 int strpos = 0;
okano 8:b220fadbb3d8 371
okano 11:8dfc3217d1ca 372 *(str + strpos++) = ' ' + size;
okano 8:b220fadbb3d8 373
okano 11:8dfc3217d1ca 374 for ( int i = 0; i < size; i += 3 ) {
okano 7:815366f003ee 375 checksum += *(bin + i + 0) + *(bin + i + 1) + *(bin + i + 2);
okano 7:815366f003ee 376 v = (*(bin + i + 0) << 16) | (*(bin + i + 1) << 8) | (*(bin + i + 2) << 0);
okano 7:815366f003ee 377 *(str + strpos++) = uue_table[ (v >> 18) & 0x3F ];
okano 7:815366f003ee 378 *(str + strpos++) = uue_table[ (v >> 12) & 0x3F ];
okano 7:815366f003ee 379 *(str + strpos++) = uue_table[ (v >> 6) & 0x3F ];
okano 7:815366f003ee 380 *(str + strpos++) = uue_table[ (v >> 0) & 0x3F ];
okano 7:815366f003ee 381 }
okano 7:815366f003ee 382 *(str + strpos++) = '\n';
okano 7:815366f003ee 383 *(str + strpos++) = '\0';
okano 8:b220fadbb3d8 384
okano 7:815366f003ee 385 return checksum;
okano 7:815366f003ee 386 }
okano 6:0ae6fe8c8512 387
okano 6:0ae6fe8c8512 388
okano 12:5a33b5d39792 389 int get_flash_writing_size( int ram_size, unsigned int ram_start )
okano 6:0ae6fe8c8512 390 {
okano 6:0ae6fe8c8512 391 int flash_writing_size[] = {
okano 6:0ae6fe8c8512 392 4096,
okano 6:0ae6fe8c8512 393 1024,
okano 6:0ae6fe8c8512 394 512,
okano 6:0ae6fe8c8512 395 256
okano 6:0ae6fe8c8512 396 };
okano 6:0ae6fe8c8512 397 int available_size;
okano 6:0ae6fe8c8512 398 int i;
okano 8:b220fadbb3d8 399
okano 12:5a33b5d39792 400 available_size = ram_size - (ram_start & 0xFFFF);
okano 8:b220fadbb3d8 401
okano 6:0ae6fe8c8512 402 for ( i = 0; i < sizeof( flash_writing_size ) / sizeof( int ); i++ ) {
okano 6:0ae6fe8c8512 403 if ( flash_writing_size[ i ] < available_size )
okano 6:0ae6fe8c8512 404 break;
okano 6:0ae6fe8c8512 405 }
okano 8:b220fadbb3d8 406
okano 6:0ae6fe8c8512 407 return ( flash_writing_size[ i ] );
okano 6:0ae6fe8c8512 408 }
okano 4:55f1977bd11a 409
okano 4:55f1977bd11a 410
okano 1:54e619428ae6 411 void add_isp_checksum( char *b )
okano 1:54e619428ae6 412 {
okano 1:54e619428ae6 413 // see http://www.lpcware.com/content/nxpfile/lpc177x8x-checksum-insertion-program
okano 8:b220fadbb3d8 414
okano 1:54e619428ae6 415 unsigned int *p;
okano 1:54e619428ae6 416 unsigned int cksum = 0;
okano 8:b220fadbb3d8 417
okano 1:54e619428ae6 418 p = (unsigned int *)b;
okano 8:b220fadbb3d8 419
okano 1:54e619428ae6 420 for ( int i = 0; i < 7; i++ ) {
okano 1:54e619428ae6 421 cksum += *p++;
okano 1:54e619428ae6 422 }
okano 8:b220fadbb3d8 423
okano 1:54e619428ae6 424 printf( " -- value at checksum slot : 0x%08X\r\n", *p );
okano 8:b220fadbb3d8 425
okano 1:54e619428ae6 426 *p = 0xFFFFFFFF - cksum + 1;
okano 1:54e619428ae6 427 printf( " -- calculated checksum : 0x%08X\r\n", *p );
okano 8:b220fadbb3d8 428
okano 1:54e619428ae6 429 printf( " new checksum will be used to program flash\r\n" );
okano 1:54e619428ae6 430 }
okano 1:54e619428ae6 431
okano 1:54e619428ae6 432
okano 4:55f1977bd11a 433 void send_RAM_transfer_checksum( int checksum )
okano 4:55f1977bd11a 434 {
okano 4:55f1977bd11a 435 char command[ 16 ];
okano 8:b220fadbb3d8 436
okano 4:55f1977bd11a 437 sprintf( command, "%d\n", checksum );
okano 4:55f1977bd11a 438 try_and_check( command, "OK", 0 );
okano 4:55f1977bd11a 439 }
okano 4:55f1977bd11a 440
okano 0:6baefda2e511 441
okano 0:6baefda2e511 442 void put_string( char *s )
okano 0:6baefda2e511 443 {
okano 2:8d75eb0ecd20 444 char c;
okano 2:8d75eb0ecd20 445 static int i = 0;
okano 8:b220fadbb3d8 446
okano 3:3c380e643e74 447 while ( c = *s++ ) {
okano 0:6baefda2e511 448 target.putc( c );
okano 2:8d75eb0ecd20 449 leds = i++ & 0x1;
okano 2:8d75eb0ecd20 450 }
okano 0:6baefda2e511 451 }
okano 0:6baefda2e511 452
okano 7:815366f003ee 453
okano 12:5a33b5d39792 454 void put_binary( char *b, int size )
okano 12:5a33b5d39792 455 {
okano 12:5a33b5d39792 456 for ( int i = 0; i < size; i++ )
okano 12:5a33b5d39792 457 target.putc( *b++ );
okano 12:5a33b5d39792 458 }
okano 12:5a33b5d39792 459
okano 12:5a33b5d39792 460
okano 9:ca4c9a2ac8e1 461 Timeout timeout;
okano 9:ca4c9a2ac8e1 462
okano 9:ca4c9a2ac8e1 463 int timeout_flag = 0;
okano 9:ca4c9a2ac8e1 464
okano 9:ca4c9a2ac8e1 465 void set_flag()
okano 9:ca4c9a2ac8e1 466 {
okano 9:ca4c9a2ac8e1 467 timeout_flag = 1;
okano 9:ca4c9a2ac8e1 468 }
okano 9:ca4c9a2ac8e1 469
okano 9:ca4c9a2ac8e1 470
okano 0:6baefda2e511 471 void get_string( char *s )
okano 0:6baefda2e511 472 {
okano 0:6baefda2e511 473 int i = 0;
okano 0:6baefda2e511 474 char c = 0;
okano 9:ca4c9a2ac8e1 475 timeout_flag = 0;
okano 9:ca4c9a2ac8e1 476
okano 9:ca4c9a2ac8e1 477 timeout.attach( &set_flag, 1 );
okano 8:b220fadbb3d8 478
okano 0:6baefda2e511 479 do {
okano 0:6baefda2e511 480 do {
okano 0:6baefda2e511 481 if ( target.readable() ) {
okano 0:6baefda2e511 482 c = target.getc();
okano 8:b220fadbb3d8 483
okano 0:6baefda2e511 484 if ( ( c == '\n') || (c == '\r') )
okano 0:6baefda2e511 485 break;
okano 8:b220fadbb3d8 486
okano 0:6baefda2e511 487 *s++ = c;
okano 0:6baefda2e511 488 i++;
okano 0:6baefda2e511 489 }
okano 9:ca4c9a2ac8e1 490
okano 9:ca4c9a2ac8e1 491 if ( timeout_flag )
okano 9:ca4c9a2ac8e1 492 return;
okano 0:6baefda2e511 493 } while ( 1 );
okano 0:6baefda2e511 494 } while ( !i );
okano 8:b220fadbb3d8 495
okano 0:6baefda2e511 496 *s = '\0';
okano 0:6baefda2e511 497 }
okano 9:ca4c9a2ac8e1 498