JN518x flash programming protocol

usaygo — Fri, 02 Jul 2021 09:31:19 GMT

Hello,

Is there any document of flash programming protocol between PC and JN5189?

Previously the document "JN51xx bootloader operation" does explain it. Now JN5189 seems to have very different protocol.

Re: JN518x flash programming protocol

nxf56274 — Mon, 05 Jul 2021 01:14:13 GMT

Hi,

Please check the chapter 38 of RM.

Have a great day,
TIC

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Re: JN518x flash programming protocol

usaygo — Mon, 05 Jul 2021 02:35:53 GMT

Hi,

Thanks! That's what I wanted!!! I didn't notice the information is in RM.

Re: JN518x flash programming protocol

peter111 — Mon, 11 Apr 2022 08:27:38 GMT

Can you please tell me what RM is referring to?

Re: JN518x flash programming protocol

peter111 — Mon, 11 Apr 2022 08:47:54 GMT

I got it, reference manual

Re: JN518x flash programming protocol

usaygo — Mon, 25 Apr 2022 04:04:04 GMT

Just for reference, I picked up the simpler commands sequence to write data onto FLASH of JN518X.

//Seigo

Command Bytes Sequence:
0000094E00A709AE19
^1^^^2^3^4^^^^^^^5
1: always zero
2: size of the sequence (including all bytes, bigendian)
3: command id (0x4E=Open ISP)
   or response id
4: command parameters (depending on commands)
   or response parameters (the first byte always its command status, success or error code)
5: CRC32 (from 1: to 4:)

=== 
Firstly set ISP pin as LO and RESET module, 
The connect UART port as 115200bps 8N1.

>0000094E00A709AE19
Command ID=4E(PARAMETERS:00): Unlock ISP 
<0000094F00BE129F58
Command RESPONSE=4F(PARAMETERS:00): Unlock ISP(00:Success)

>00000832214A0494
32(): Get Device Info
<000011330088888888CC0000148DDBB66D
33(0088888888CC000014): Get Device Info(00:success, 88888888:chip id, cc000014:version)

>0000194E01112233445566778811223344556677884B1703XX
4E(0111223344556677881122334455667788): Unlock ISP(01: Start ISP, 1122...88:Key)
<0000094F00BE129F58
4F(00): Unlock ISP(00:Success)

--- If you try to change baud, you can call the command of Set Baud Rate here (0x27,0x28 command).

>00000A40000F3E5AD196
40(000F): Open Memory for Access(00:FLASH, 0F:Mode=RdWrErEa)
<00000A410000AF27A630
41(0000): Open Memory for Access(00:Success, 00:Handle=0)

>0000124200000000000000420000CCA2F324
42(00/00/00000000/00420000): Erase Memory(00:Handle, 00:Mode(always 0), 00000000:Address=0x0, 00420000:Size=0x2400=97KB)
<000009430012A7D054
43(00): Erase Memory(00:Success)

>000012440000000000000042000024173967
44(00/00/00000000/00420000): Blank Check Memory(00:Handle, 00:Mode(always 0), 00000000:Address=0x0, 00420000:Size=0x2400=97KB)
<000009450044FD77D2
45(00): Blank Check Memory(00:Success)

--- here, transmit firmware binary file (.bin) from the top without skipping any bytes.
--- note: the transmit chunk must be 512bytes (= FLASE sector size).

>0002124800000000000000020000...
48(00/00/00000000/00020000/...data...):
Write memory(00:Handle, 00:Mode(always 0), 00000000:addr=0x0, 00020000:length=0x200=512B, ...)
<0000094900E84838DE
49(00): Write memory(00:Success)

>0002124800000002000000020000...
48(00/00/00020000/00020000/...data...):
Write memory(00:Handle, 00:Mode(always 0), 00020000:addr=0x200, 00020000:length=0x200=512B, ...)
<0000094900E84838DE
49(00): Write memory(00:Success)

>0000094A00C3656B1D
4A(00): Close Memory(00:Handle)
<0000094B00DA7E5A5C
4B(00): Close Memory(00:Success)

>00000814F3478169
14(): Reset
<0000091500FE462A86
15(00): Reset(00:Success)

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