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LPC2138 UART1 problem   [6 Articles]

Has anyone come across this problem? UART0 and UART1 are set up identically. 115Kbaud, 8,N,1. No modem features. Both works, but after about 1 hour, UART1 stops receiving. UA...

UART0 vs UART1   [6 Articles]

Hi all. Could anyone explane me what different between UART1 and UART0 (except modem control register in UART1). I can't understant NOTHING! Two equa...

Use the UART1 PIN

Hi at All The my question is in the LPC2364 I have two port P0 and P2 where is present the signal UART1, is possible use both the port for send and receive the data in UART1 ...

UART1 - lpc2106   [5 Articles]

hello all v have a lpc2106 board from nohau. i was trying to use both UART0 & 1 when my board stopped working. i was writing to UART0 and also to UART1 i am not...

UART1 I/O Pins   [2 Articles]

Uart1 supports many modem control signals, but I only need TXD and RXD. I understand from the archives that SPI will not work unless all (four) of its signa...

UART1 practical question   [3 Articles]

Hi everyone, I'm using LPC2106. I want to implement an application using UART1, and my question is whether the UART1 requires me to select all of 8 pins through ...

LPC23xx : Re-config of UART1 is not working   [6 Articles]

Hi, I made a SDCard bootloader that works well . But if I activate the UART1 in the bootloader to print some debug informations AND my application firmware use the UART1, the ...

Re: UART - printf - keil

One method (not a single one): use sprintf() to fill up a buffer and then use a suitable UART1 routine to output the data from this buffer. Yoan niraj_chavda14 wrote: > - p...

UART - printf - keil

- printf() is a library routine provided by keil library. So whenever we use printf in our code I assume what it might be doing is calls a routine which places charac...

Auto Flow Control @ Uart1 in LPC2368   [2 Articles]

Hi I am using LPC 2368 ad using auto flow control to communicate with another LPC2368 @ Uart1,i am using 8 byte RX trigger level @ both ends.i checked with oscilloscope ,data i...

Re: RS485 with UART1 RTS pin on LPC2138

--- In lpc2000@lpc2..., "gvnn77" wrote: > I'm searching for implementing RS485 using UART1 and controlling TX > enable with RTS pin. Is it possible to use ...

UART1 Interrupt Issues

I am using a lpc2214 with the ASHling development kit. When I enable UART1 to work with interrupts, I seem to be losing the top 3 bits of the byte I am transmitting. (loop...

uart1 of 2136?

Hi. I am using UART1 along with UART0, Timer 0, I2C1, SPI1 on my LPC2136 bo= ard. My problem is that when I write a byte to U1THR, it gets transmitted a= nd the interrupt is set....

UART Problem   [4 Articles]

I cant get this to work. I only want to turn on a led if I recive something on UART1. This is the code: void init_serial (void) // Initialize Serial Interf...

LPC2378, UART1 setup problems   [3 Articles]

Hope someone can help me see what I'm doing wrong. I'm trying to use UART1 with the TX/RX pins on P2.0 and P2.1. Nothing I do seems to work with these pins. If I configure the...

LPC2148 UART0 vs. UART1

I have been using UART1 for quite a while reading in raw sensor values. It's worked very well. No problems. Recently, I converted my sensor readings over to UART0, but I'm ha...

Problems with UART1 on LPC2132   [14 Articles]

Hi everybody I want to transmit a number og bytes on UART1 and some of them are 0. When I receive the bytes on the PC, all the 0s are gone, resulting in an error on tha...

lpc2138 uart1 drops interrupts   [2 Articles]

Hi I have a following problem that I just can't get my head around. I wonder if anyone else experiences this or if I have not stumbled upon the right errata sheet.... Most ...

LPC2368 UART Query   [3 Articles]

Hi, It is regarding UART in the LPC2368. UART1 has full modem control pins. If UART1 is enabled & only Tx, Rx, CTS & RTS are used for UART communications, whether remaining...

Getting lnewlib-lpc (Ver 5a) uart1 interrupts to work with WINARM   [4 Articles]

Hello, Using the "polled" mode for uart1 works without any problems at all. But now I would like to make the uart interrupt driven. Now when I change the device table to the...

LPC2148 and UART with hardware handshaking   [4 Articles]

Hello, Is it possible enable TX,RX,CTS and RTS on UART1 on LPC2148 (with HW handshaking) while using the rest of UART1 pins as general purpose pins? Thanks, ...

uart1 fails on lpc2148.

hi i am trying to use timer 0 to give me 0.25ms interrupt which i am getting. but trying to use uart1 togather with timer 0 interrupt the uart dosen't work. where as it work if i...

LPC2138 UART0/1 and modem control   [4 Articles]

Hi ! I'm about to build a system using LPC2138. It's going to be equipped with RS232C and RS485 ports. As I need full RS232 implementation with modem control lines, ...

PWM's and UART   [5 Articles]

Hi, I'm studying LPC2214 for use on a new project. I have some doubts and I think someone could help me in this forum. 1) I need to control 3 step motors. They are complete...

SPI0 and SPI1 still not working for SD cards   [4 Articles]

Using AN10406 (new version 11/28/06), Carsten's code, and Tom's code for interfacing with an SD card, all 3 give me a status of 0xff when doing mmcInit() and not 0x01. This caus...

RE: UART - printf - keil   [4 Articles]

If you're using RealView as the compiler with Keil's uvision you're looking for the function sendchar which is used by printf to do the bind to a particular UART. Given this is a...

UART1 for LPC2148   [8 Articles]

I'm having a problem with getting UART1 to work on my Embedded Artists prototype board. I have a serial display that has only 1 serial line. In other words, you can only trans...

Re: RS485 with UART1 RTS pin on LPC2138

How would you implement an interrupt based 485 handler then? I guess I could look for the byte that I transmitted. Hopefully the FIFO won't complicate issues. --- In...

UART0 and UART1   [2 Articles]

Hi, Any idea on how to read FIFO buffer, on UART0 and UART1, without using interrupt? Best Regards, Mukund Deshmukh. Beta Computronics Pvt Ltd 10/1, IT Park, Parsodi, Nag...

UART ISR

I'm using the LPC2129 and Keil Tools. The purpose of the code is to interrupt on the receipt of a single byte of data and assign data to its value. The interrupt seems to work ...

RTS/CTS on UART1 - LPC2129

Hello all, I want to setup an LPC2129 on UART1 at high baudrates in order to connect it with a Silicon Labs CP2102-GM RS232-2-USB2.0 Bridge (slave). The code below ...

modem pins on UART1

Does UART1 with modem pins support hardware handshaking for RTS and CTS? I found registers only to set RTS and other to read CTS by software but can these pins...

RTS/CTS hardware flow control on UART1 - LPC2000 Family

Hello, Is someone aware of a code snippet dealing with hardware flow control on UART1 - I need to steer CTS/RTS hardware flow control on an LPC2129/2138 device. ...

LPC2129 UART ISR Problem

I'm using the LPC2129 and Keil Tools. The purpose of the code is to interrupt on the receipt of a single byte of data and assign data to its value. The interrupt seems to work ho...

Problem running LPC2106 with MAM, PLL and UART1 interrupts.   [9 Articles]

Hi guys, Another new member, and another problem. I appreciate any help, and I hope to be able to return the favor in the future. I am in the final stages of a project tha...

Re: LPC2368 UART Query

--- In l...@yahoogroups.com, "Kiran" wrote: > > Hi, > > It is regarding UART in the LPC2368. > UART1 has full modem control pins. > > If UART1 is enabled & only ...

erase Flash using UART1?   [4 Articles]

Hello, Is there a way to erase Flash instead of using the Philips Flash Utility via UART0? The LPC2292-board I'm working on is configured with UART1 on the RS232 port and ...

U1 IRQ works too well (sometimes)   [2 Articles]

I have a strange problem. I am using a vectored IRQ on UART1. Sometimes I boot the application and it works fine. Other times I boot it and it locks up on the IRQ vecto...

Re: Using Capture pins   [2 Articles]

Thanks - Thiago Pinheiro Felix da Silva e Lima for your concern to my question. First of all, I am curious t know from which country do you belong.My country is Nepal. Here...

More changes, still no Interrupt.   [5 Articles]

Still trying to get a UART1 interrupt using eclipse/GNUARM. Current pertinent code below. Any other ideas to consider with regards to interrupts in GNUARM? Thanks void I...