UART1 garbage

Started by thummel26 in LPC200012 years ago 1 reply

Hey guys, im using the lpc2129 with uart1 and 0 interfaced through a max232. Uart0 works ok with phillips isp, but when i print to UART1 i get...

Hey guys, im using the lpc2129 with uart1 and 0 interfaced through a max232. Uart0 works ok with phillips isp, but when i print to UART1 i get garbage. Real terminal says its framing error. Any suggestions, i have tried playing with baud rate, parity, stop bits, etc. ======================================================================== Groups related to lpc2000 ...


nine bit for master slave application

Started by "franco.dalpero" in LPC200013 years ago 2 replies

Hello this is the my first project use the LPC23xx. Is possibly generate the nine bit for address data system in multimaster application...

Hello this is the my first project use the LPC23xx. Is possibly generate the nine bit for address data system in multimaster application Master/Slave when are used the uart0,1 2 3 periferal? if yes this how? tanks


Samples for UART Driver for LPC2103

Started by Tidhar Tsuri in LPC200012 years ago 1 reply

Dear Friends, I working on a problem for couple a days, I can not receive interrupt from UART0, I need some samples code...

Dear Friends, I working on a problem for couple a days, I can not receive interrupt from UART0, I need some samples code for for UART Driver for LPC2103 Thanks, Teddy Regards, Tidhar Tsuri


UART0 Interrupt

Started by Jason in LPC20008 years ago 8 replies

Hello all again, im going crazy here. I can get into the interrupt but the data isnt correct. I receive 0x99 when expecting 0x31 ..... CODE...

Hello all again, im going crazy here. I can get into the interrupt but the data isnt correct. I receive 0x99 when expecting 0x31 ..... CODE LINK ..... http://pastebin.com/2QFQPvgU ..... CODE LINK ..... U0RBR returns 0x99 can someone help me out ? ------------------------------------


Flash loader, gtk/linux

Started by Paul in LPC200015 years ago 2 replies

Recently I wrote a gtk-based flash loader which communicates with the ISP bootloader on uart0. It's working for me, but still...

Recently I wrote a gtk-based flash loader which communicates with the ISP bootloader on uart0. It's working for me, but still pretty rough. Wondering if anyone is interested in this? Paul


More than one Interrupt

Started by mgiaco82 in LPC200011 years ago 17 replies

Hello, I have some problems when I use more than one interrupts on my LPC2148. A made a short example with a timer IRQ > > It works. Then I...

Hello, I have some problems when I use more than one interrupts on my LPC2148. A made a short example with a timer IRQ > > It works. Then I made one with UART0 and URAT1 IRQ > > It works. But when I merge these examples together something goes wrong. The program starts the led?s blink and I also receive some characters on my terminal but after a few seconds the core hangs. When I debug t


LPC2103 Uart Problem

Started by adriaanswan in LPC200012 years ago 5 replies

Hi, I am very new to ARM processors, and as a first simple task I just want to dump something a pc can read. I am using Keil uVision 3.5...

Hi, I am very new to ARM processors, and as a first simple task I just want to dump something a pc can read. I am using Keil uVision 3.5 with RealView compiler. The processor is a LPC2103, XTAL 19.6608, CCLK 58.9824, M 3, P 2. I am trying to dump Hello World! to UART0 but nothing. I calculated U0DLL based on the Phillips application note AN10369. Any Ideas? Below is the code I a...


UART0 Eclipse

Started by sam kim in LPC200010 years ago 1 reply

Hi friends, My question to the forum is that I am facing the UART interrupt problem,well I was successful enough in displaying a string of...

Hi friends, My question to the forum is that I am facing the UART interrupt problem,well I was successful enough in displaying a string of characters, now I wanted to try the same UART(Keil) example under ECLIPSE platform having made necessary changes,am not able to echo the characters on the terminal.Could anyone please tell the solution to this problem.Thank You. ---------------------...


interfacing of lpc2148 with c328r

Started by mathewsheni in LPC200010 years ago 1 reply

hi,has anyone worked on c328r.i m facing problem in synchronizing with camera.i hav connected camera to uart1 port..and simultaneously...

hi,has anyone worked on c328r.i m facing problem in synchronizing with camera.i hav connected camera to uart1 port..and simultaneously checking the camera output from uart0.is any extra caommand need ed wen operating on both the uart's or specifically on uart1. thanks....group. ------------------------------------


LPC2148 and uC/OS-II and UART interrupts

Started by jdauchot in LPC200011 years ago 1 reply

Hi I am writing an application for LPC2148 and uC/OS-II. I am having problems implementing a UART0 interrupt using the example posted On the...

Hi I am writing an application for LPC2148 and uC/OS-II. I am having problems implementing a UART0 interrupt using the example posted On the LPC200 group using uC/OS-II and GCC. The application works OK as long I type the characters on hyperterminal. If I send data via the file transfer, I loose characters. Can anyone help as I have done all the required searches on google etc. Has any...


ISP thru RS485

Started by subb...@gmail.com in LPC200011 years ago 14 replies

Hi, I am building a system using LPC2138. I intend to have RS485 (Full duplex) interface using UART0. I like to use ISP thru RS485. I can?t...

Hi, I am building a system using LPC2138. I intend to have RS485 (Full duplex) interface using UART0. I like to use ISP thru RS485. I can?t have secondary RS232(for ISP purpose at least) interface due to board space constrain. Could some one guide on this. Thanks in advance, Regards ------------------------------------


How to capture 25ms, Infrared (TSOP1138)?

Started by serg...@yahoo.com in LPC200010 years ago 9 replies

Dear friends, I use WinARM and need your help. I have a LPC2124 have connected the TSOP data output to GPIO P0.8 and to CAP P.30. I will...

Dear friends, I use WinARM and need your help. I have a LPC2124 have connected the TSOP data output to GPIO P0.8 and to CAP P.30. I will capture in 1us resolution and will output it after the 25ms are complete via UART0 to the terminal. I know these are 25000 samples. Who can give me an example to solve this big problem for me. Thanks in advanced. BR, Sergej ------------------------------...


UART0 interrupt on power-up

Started by brucepride in LPC200015 years ago

Hello All, I have noticed something strange with the LPC2106 UART. When I power- up the LPC2106 and it's configured, I seem to...

Hello All, I have noticed something strange with the LPC2106 UART. When I power- up the LPC2106 and it's configured, I seem to miss the very first serial character interrupt coming in on UART-0. This only happens once and only when powering up for the first time. I can reset


Several interrupts simultaneously requested

Started by sifiland in LPC200011 years ago 2 replies

Error Description:=20 The software increases the long time test so that interrupts no longer release. Interrupts: Priority=20 EINT0: FIQ ...

Error Description:=20 The software increases the long time test so that interrupts no longer release. Interrupts: Priority=20 EINT0: FIQ 1 EINT2: 2 TIMER0: 3 UART0: 8 I2C: 7 =20 =B5C: LPC2103 Compiler: IAR 4.41 Several interrupts are simultaneously requested? ------------------------------------


LPC2388 -- UART2 and UART3

Started by Carolina in LPC20009 years ago 2 replies

Hello everyone, I am simply trying to use UART2 and UART3 to implement my printf function. I have tested my code with UART1 and UART0 and it...

Hello everyone, I am simply trying to use UART2 and UART3 to implement my printf function. I have tested my code with UART1 and UART0 and it works fine. However, when I change the settings for UART2 or UART3 it doesn't work. I was wondering if maybe in order to use those serial ports I need to add an extra step to my initialization. Please let me know. #include


[lpc2468] configuration and coding problem for uart1

Started by Sabbir Ahmad in LPC20009 years ago 1 reply

Hello everyone, ?I am a new programmer in embedded world though my programming life giving me tough time because of not solving the problem till...

Hello everyone, ?I am a new programmer in embedded world though my programming life giving me tough time because of not solving the problem till now. I got stuck with lpc2468 board where i have to program for uart0 for for transfer and receive character in cpp but i have to no idea how can i start with. I have search for documents that provide some initial guideline but it ?was not sufficient. Pl...


Programming LPC2292 through UART

Started by Unnati Shah in LPC200011 years ago 7 replies

Hi, I want to know the step by step procedure for programming the LPC2292 chip through the serial port, UART0. Please tell me how to do...

Hi, I want to know the step by step procedure for programming the LPC2292 chip through the serial port, UART0. Please tell me how to do that. Also suggest which programming software is to be used to download the program on to the on chip flash. Unnati Shah __,_._uuuu ------------------------------------


More analog resources

Started by carlochiesa78 in LPC200010 years ago 8 replies

Compared to STM32 family LPC2000 and LPC1000 don't have a lot analog resources. Only 8 A/D inputs are present and if you use the DAC peripheral...

Compared to STM32 family LPC2000 and LPC1000 don't have a lot analog resources. Only 8 A/D inputs are present and if you use the DAC peripheral and the UART0 for upgrading the device via boot-ROM, the total number of A/D inputs available is reduced to 5!!!! Anyone knows if in the future a new LPC1xxx (Cortex-M3) with more AD input and DA output will be out? In the roadmap for 2010 I've seen...


lpc2138 usb modem interface

Started by jignesh in LPC20007 years ago 1 reply

hey can anyone help me out with my project. i want to interface a usb modem with lpc2138 via uart0. please provide me with necessary circuit...

hey can anyone help me out with my project. i want to interface a usb modem with lpc2138 via uart0. please provide me with necessary circuit diagrams.. ------------------------------------


Re: printf statements - help needed

Started by ashwin athani in LPC200012 years ago

Assuming LPC2378 has two UART's, one more possibility could be that it is dumping to UART0 and you have the cable connected to UART1 Warm...

Assuming LPC2378 has two UART's, one more possibility could be that it is dumping to UART0 and you have the cable connected to UART1 Warm regards, Ashwin Tom Walsh wrote: Raghunath Santhanam wrote: > > Hi All, > I am new to LPC boards and I have a basic query > I dont see any prints on the screen. I am using LPC 2378, Amontec JTAG > and FlashM