Re: LPC2104 has bad boot sector code?

Started by Jayasooriah in LPC200014 years ago 1 reply

Hello, Does anyone know how to restore the boot sector on a LPC2104 with bad boot sector? I have two boards which will respond with...

Hello, Does anyone know how to restore the boot sector on a LPC2104 with bad boot sector? I have two boards which will respond with "Synchronized" when I hit "?" at whatever baud rate, but will not accept "Synchronized" response or go any further. It is as good as dead otheriwise. This problem was created by bug in b


lpc2104 external interrupt problem

Started by "ene...@ymail.com" in LPC20008 years ago 2 replies

Hi, I am trying simulate external interrupt of LPC2104 using keil in proteus. But it doesn't work. I pasted my c code below and i didn't make...

Hi, I am trying simulate external interrupt of LPC2104 using keil in proteus. But it doesn't work. I pasted my c code below and i didn't make any change in startup.s code. I'm trying to turn off led at p0.0 and turn on led at p0.1 when external interrupt signal comes. #include void EXTINTVectoredIRQ(void)__irq; int main(void) { IODIR0 = 0x00000003; IOSET


LPC2104 UART0 FIFO problem

Started by yxh510 in LPC200015 years ago

HI, When I using UART0 FIFO for receive 4 byte interrupt.the problem is: It can only receive 3 byte then go interrupt.When I send 4 byte...

HI, When I using UART0 FIFO for receive 4 byte interrupt.the problem is: It can only receive 3 byte then go interrupt.When I send 4 byte from PC to LPC2104 It go breakdown and can't work.Why? Does anyone know ,tahnk you!


GPIO output voltage

Started by vineet jain in LPC200014 years ago 3 replies

Hello, Can I connect any TTL chip working at 5V to the LPC2104 GPIO's??? Regards, Vineet. ...

Hello, Can I connect any TTL chip working at 5V to the LPC2104 GPIO's??? Regards, Vineet. __________________________________________________ "> http://mail.yahoo.com


For newbie Start

Started by Gopalakrishnan in LPC200015 years ago 2 replies

Hi everybody I am a newbie and Just started with arm board lPC2104.I have ordered one and waiting for it.I have win98...

Hi everybody I am a newbie and Just started with arm board lPC2104.I have ordered one and waiting for it.I have win98 installed and want a free C- compiler and simulator for it.Can somebody help me in this and how to go about it.Michel helped me a lot but i want to learn si


how to run ucos2 with gnu

Started by gingkotree2004 in LPC200016 years ago 1 reply

I want to run uCOSII on lPC2104. I can do it with ADS develop tools. Now I want do it wiht gnu in linux. I think someone must have...

I want to run uCOSII on lPC2104. I can do it with ADS develop tools. Now I want do it wiht gnu in linux. I think someone must have done it. Where can I find the source code? Any suggestion, please. Thanks.


Re: problem with crossworks

Started by Michael Johnson in LPC200015 years ago 2 replies

Have you tried any of the standard CrossWorks examples? Regards Michael >I am now getting acquainted with the crossworks...

Have you tried any of the standard CrossWorks examples? Regards Michael >I am now getting acquainted with the crossworks compiler and lpc2104.I >built my own board and downloaded the programs given in this forum as >starting point.But the hex file created


i need to know WatchDog.c

Started by omkar vyas in LPC200014 years ago 1 reply

have any one have written watchdog program for LPC2104 please guide me! source code. or how to write n calculate for watchdog how to determine...

have any one have written watchdog program for LPC2104 please guide me! source code. or how to write n calculate for watchdog how to determine reload time ??? Thanking you! With best regards Omkar! --------------------------------- Do you Yahoo!? Next-gen email? Have it all with the all-new Yahoo! Mail Beta. ------------------------ Yahoo! Groups Sponsor --------------------~--...


LPC2104 - PAbt on return form subroutine

Started by Jim Beagley in LPC200016 years ago

This instruction is causing a complete freeze up in my code. I am several levels into the User Stack at this point. ---- ...

This instruction is causing a complete freeze up in my code. I am several levels into the User Stack at this point. ---- 00004140: E49DF004 LDR PC,[SP],#0x4 ---- Before this instruction is executed, the SP_Curr = 0x40003E3B the data at that address: --


start with Board

Started by Gopalakrishnan in LPC200015 years ago 2 replies

I made myself a lpc2104 board using Leon Kellers design.Now i want to test the board.Can somebody tell me how to program the...

I made myself a lpc2104 board using Leon Kellers design.Now i want to test the board.Can somebody tell me how to program the chip.Also i want a simple program to test whether the hardware is working.


LPC210X and CRP - Any news?

Started by Xtian Xultz in LPC200013 years ago

Hello friends! About a year ago someone saw here that Philips was about to release new versions od LPC2104-LPC2106 with CRP implemented....

Hello friends! About a year ago someone saw here that Philips was about to release new versions od LPC2104-LPC2106 with CRP implemented. Someone has any news about it? New chips that I buy today has CRP in it, or still not? Will NXP implement CRP on that chips or I must forget it and use another uC? Thanx for any help!


[lpc2104] uart0 doesn't emit 0x00 byte(s) :-O

Started by Pawel Sikora in LPC200015 years ago 1 reply

Hi, I don't know what is wrong with uart0 (or my code). testcase: int rs232_txAvailable() { return ((U0LSR &...

Hi, I don't know what is wrong with uart0 (or my code). testcase: int rs232_txAvailable() { return ((U0LSR & bit(5)) != 0); } 000000a0 : a0: e59f300c ldr r3, [pc, #12] ; b4 <.text+0xb4>


new here help plz

Started by mailin_pradeep in LPC200014 years ago

hi , am a undergraduate student workin on my final yr project on design and implementation wireless sensor networks(nodes)..using LPC2104.....

hi , am a undergraduate student workin on my final yr project on design and implementation wireless sensor networks(nodes)..using LPC2104.. i would like to know whether any simulators are available for SARD boards (sensor application reference design)using LPC(arm core).... OR is there any way i can show a demonstration at my coll with out the actual hard ware as the people at the com


Reg: PWM in LPC2104

Started by rockraj_2003 in LPC200015 years ago

Hi, I am a silent member of this group. I am trying to work with PWMs. I want to produce 1 DOUBLE EDGE CONTROLLED and...

Hi, I am a silent member of this group. I am trying to work with PWMs. I want to produce 1 DOUBLE EDGE CONTROLLED and others SIGLE EDGE CONTROLLED PWMs. I am using IAR EMBEDDED WORKBENCH. I want to know where the problem lies The


interrupts Lpc 2104

Started by omkar vyas in LPC200014 years ago

i want to impliment all interrupts on lpc2104 how to do it? i mean i dont have written interrupt service routine till now can any one give me...

i want to impliment all interrupts on lpc2104 how to do it? i mean i dont have written interrupt service routine till now can any one give me step by step procedure ( indetail ) to do it? --------------------------------- Sneak preview the all-new Yahoo.com. It's not radically different. Just radically better. ------------------------ Yahoo! Groups Sponsor --------------------~-->


2104 makefile

Started by sanjay_varma_bh in LPC200015 years ago 1 reply

Iam newuser of gcc. I want to work with lpc2104. Unfortunately i could nt get make file for 2104. So I modified the 2106...

Iam newuser of gcc. I want to work with lpc2104. Unfortunately i could nt get make file for 2104. So I modified the 2106 rom.ld,ram.ld to work it for 2104. I just changed the length of SRAM to 16k from 64k. But this is not working. Can anyone help me whe


485 Driver Issues (Slightly OT)

Started by Richard in LPC200015 years ago 6 replies

I am driving a 485 transceiver (SN65HVD10) with the LPC2104. The RE/ and DE lines are tied together and to a GPIO pin for...

I am driving a 485 transceiver (SN65HVD10) with the LPC2104. The RE/ and DE lines are tied together and to a GPIO pin for direction selection. My problem is that when I enable transmission the bus is driven low and a pulse is seen at my RXD input causing an interrupt. I ha


External address and data bus

Started by vineet jain in LPC200014 years ago 2 replies

Hello everyone, Just wanted to know if there was support for external address and data buses on LPC2104 controller.., i mean the pins acting...

Hello everyone, Just wanted to know if there was support for external address and data buses on LPC2104 controller.., i mean the pins acting as addr. and data buses??? Thanks, Vineet. --------------------------------- Yahoo! Music Unlimited - Access over 1 million songs. Try it free.


Multiple master I2C problem

Started by "kyz.hyma" in LPC200011 years ago 1 reply

Hi everyone, I'm developping a multiple master I2C driver for an LPC2106. Everything works fine as long as no master tries to speak at the...

Hi everyone, I'm developping a multiple master I2C driver for an LPC2106. Everything works fine as long as no master tries to speak at the same time but when that occurs, no communication can be made at all: devices just don't acknowledge one another and ignore everything 'till it can transmit its command. The LPC2104/5/6 user manual states that the microcontroller should by itself ...


Secondary JTAG Sanity Check

Started by Richard in LPC200015 years ago 3 replies

I am planning to use the secondary JTAG (LPC2104) in a design. I have already been debugging (from flash) using the second JTAG...

I am planning to use the secondary JTAG (LPC2104) in a design. I have already been debugging (from flash) using the second JTAG by placing a firmware in flash to enable the second JTAG pins and then starting the debugger. So, in the actual application, I will have to load t