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USB Bootloader problems - Bootloader from Flash   [4 Articles]

Hi A buddy of mine is using an LPC2148. He is using USB and is trying since days to implement an USB bootloader but with no success. His bootloader is on the Flash, NOT the R...

Q: Bootloader over RS-485 / Modify bootloader?

Hi, i want to update my application with the bootloader of the LPC2106 over a RS-485 bus. Unfortunately, it is only a half-duplex bus and the RS-485 drive...

LPC CAN bootloader   [3 Articles]

Dear LPC group, has someone any experience on LPC bootloader? On my application I'd develop a CAN bootloader on LPC2194. Is it possible? thanks in advance. Alber...

corrupted bootloader LPC2103   [4 Articles]

Hi all!. I think that my chip has corrupted bootloader. I programmed it several times, but now it only can be programmed via JTAG, Philips flash utility says: "cannot communi...

LPC2138 Bootloader   [3 Articles]

Hello , I was testing out H-JTAG on my LPC2138 system, and loaded one of my working hex files using H-JTAG. I think I must have over written the Philips bootloader in the pro...

an10711 USB Bootloader discovery

While implementing an10711 usb bootloader the following discovery was made that may be useful news to the group. Especially someone attempting to use an10711 bootloader sample....

Bootloader not always invoked after reset with P0.14 low   [5 Articles]

Hi, I wonder if anyone has seen this before. While developing the firmware for my LPC2138-featured board, I noticed that the bootloader is not always invoked after a reset wit...

LPC2000 bootloader   [15 Articles]

Hello everyone, I'm working on a project for which we will need a bootloader for the LPC2368 and possibly the LPC214X. The on-chip bootloader is insufficient in a few ways: ...

New bootloader (1.52) and IAP problems?

Hello, I am using "old" LPC2106, and had to manually upgrade their bootloader to version 1.52. I can always program the prototypes using ISP, but some of...

LPC2124 Bootloader   [2 Articles]

Hi all, I wanted to confirm the following operation of the LPC2124 on bootup. 1. The current Philips LPC2124 bootloader is Philips proprietary - Please confirm 2. Bootloa...

What-R-Others-Doing? Sharing/Re-Using USB driver located in BootLoader

OK, So my bootloader is working via USB (Thank you Bertrik !!!) And I can run my application code by jumping to it. I would like to re-use this USB driver resource in my main...

Boot Loader for LPC2106

I'm interested in designing a bootloader for LPC2106. I know that there is one on the chip already which I would like to keep there. I plan on placing one beneath it. So exe...

Erased bootloader   [5 Articles]

I probably erase flash sector with bootloader.( Philips ISP software doesn't see my board). I thought this sector is protected. How can I load new bootloader? ...

Porting from 8051 (silabs) to ARM   [2 Articles]

All, I\'m new with the ARM arch. and just got two starter kits - 2103, 2148. i need to port two main application: 1. Bootloader 2. Firmware. i will start with the bootl...

call bootloader in lpc2148   [3 Articles]

hi, I use usb bootloader for lpc214x which I download from http://www.standardics.nxp.com/support/documents/microcontrollers/zip/an10711.zip This bootloader store at address 0x0...

Writing to Flash   [4 Articles]

Hi, I'm very new to ARM and LPC. I read that very writing into the Flash must be done via the onchip bootloader which resides alsp in the Flash. This is true f...

USB Bootloader for internal and external flash memory. LPC2478   [5 Articles]

Hello I have implimented a USB Bootloader based on NXP AN10764. I am attempting to expand this bootloader to flash an application into internal and external flash memory. I am u...

Bootloader update for LPC211x/22xx

Hi! I have some older prototyping boards with LPC2292 (bootloader 1.63). Recently I received some new units from our manufacturer. Those LPCs already contain bootloader 1.64....

LPC2478 or LPC 2468 Bootloader Options / Questions   [2 Articles]

I'm thinking of getting a developement board for either LPC2478 or LPC 2468. I just have a few questions regarding a bootloader. 1. Is it possible to completely remove the Phi...

BootLoader and application code location suggestions?   [11 Articles]

OK, I've got bootloader/IAP code for the user to update the main application code. (IAR EWARM, LPC2144) I am wondering if there is a good reason to put the bootloader in one...

Placing variable at known location   [7 Articles]

Hello everyone, I would like to know how I can place a string at a fixed location in flash. In my application the bootloader resides from 0x0000 to 0x8000 in the LPC2366. I ha...

bootloader not trashed

Thanks to the Philips_apps team for responding to my 'trashed bootloader' post. It turns out the my WD was not refreshed fast enough at startup, which caused the lockup. And, ...

LPC2292 Bootloader maximal autobaudrate?   [6 Articles]

I understood, that the LPC2292 bootloader autodetects the Baudrate of the connected terminal. Does anybody has some info, how this is done in details, and which is the maximum a...

USB programming bootloader   [5 Articles]

Hello! I have read about many great bootloaders that users of this group have created. I will have to use or write my own bootloader that will allow to make firmware upgrade v...

Bootloader - how to access app exception vectors   [6 Articles]

Hi, I wrote bootloader on LPC2388 + Keil. Everything works ok when I load an application that uses only IRQ exception. My concern is about the remain exceptions (Swi, Fiq...). I...

Serial Bootloader code   [6 Articles]

Hallo Is there any available serial bootloader I could use? Im making my own custom bootloader, because I need to implement a custom protocol. So I cant use the ISP. Is t...

ET-Base Serial Bootloader

I bought a ET-Base ARM7 LPC2103 and was developing an app using the serial bootloader to flash it. At some point the device went into continuous reset. I think this because I o...

LPC2013 UART1 bootloader

Hi, for several reasons I need a boot loader which talks to UART1 and also uses a diferent protocol than the LPC2103 bootloader sitting in ROM. Does anyone have an example of ...

Roll Your Own bootloader   [4 Articles]

Hi, Has any one considered "rolling their own" boot loader for the LPC2000 series? Purpose - so that P0.14 can be released from the POR bootup requirement.... and used for ...

own bootloader and IAP problem   [2 Articles]

hello friends i hope you can help me. I programmed a bootloader (sector 0) who can check the flashed application (sectors 1-13) if the application is co...

Secondary Bootloader   [8 Articles]

Hello, I had question releated to program startup. I am using LPC2106, when I press reset, Primary bootloader get called. Then my secondary bootloader comes in picture. It will...

invoking bootloader via sw   [2 Articles]

Hi, I was wondering, is there a way to invoke the onboard bootloader from the LPC2468 via software?? In other devices I've seen that it was possible to branch to a specific s...

new LPC2103 board bootloader problem

Hello, A new and blank LPC2103 chip is on my new board. I use the IAR with the jLink debugger. For the bootloader I used the given example IAR_LPC210xRomMon. I can step with...

Flash Security. Is it working good/perfect or not?   [2 Articles]

Just a few thoughts: I have a very nice programm and i know some people want to take a look how it works. So i put it in my LPC2148 with bootloader > V1.61 and put these s...

Bootloader doubts   [3 Articles]

Hello, I am starting to develop a bootloader for the LPC 2366 processor. The=20 IDE is the KEIL RealView. The bootloader framework is: 1) Place the bootloader code on a pro...

Bootloader tips - cont'd   [16 Articles]

As I'm debugging my secondary bootloader for LPC2148, is there a mechanism in Keil that will tell me if I'm executing code that is not in 'my bootloader sector'? I'm trying to...

Bootloader on LPC2294   [2 Articles]

Dears, It is my first time in RTOS world i am try to load uClinux on my development board (LPC-E2294) the problem that faced me that i can't load any bootloader on my board , i tr...

How to change bootloader for LPC2138 ?   [4 Articles]

Hello, I think the problems I posted recently regarding JTAG problems of the LPC2138 mask A and B, are caused by the bootloader. The mask A device has version 2.00 , the mask B...

Second Stage bootloader   [4 Articles]

Hello everyone, In the past few days I've been doing some research on bootloaders for the LPC. I think that for my application the most effective approach would be to use a "...

DTR and RTS in bootloader   [3 Articles]

I see that Phillips bootloader can assert DTR and RTS for resetting the board. Anybody know exactly how it asserts them (i.e. which is which, how long they are asserted for etc.)...