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SSP1   [3 Articles]

I need initialization code for SSP1 on LPC2378. Where can I found it? Ing. Mirko Manetti Direzione Tecnica AMELI S.p.A. Via Guido Rossa, 10 - Loc. Cascine del Riccio ...

Re: Re: LPC2148 Philips App. Note MMC-SD Card interfacing AN1406_2   [8 Articles]

/*----------------------------------------------------------------------- * Name: SPI_MMC.C * Purpose: SPI and SD/MMC command interface Module * Version: V1.03 * Copyright (c)...

DMA & SSP big endian   [3 Articles]

Hi, I'm using LPC2478. My board connected to Analog Device ADE7878 chip that has Fast SPI that send continusly data. Its 3 wire protocol that start the CS bit then clock out 7*3...

questions re ssp0 rx and dma   [3 Articles]

On a LCP2378. I am using PWM to toggle control lines of a a/d and start a ssp (master) transfer at a 5us interval. I've setup the DMA to move the (16bit) data to usbram. DMACC...

Re: Please help with SPI initialization on LPC2368

Hi, There are a lot of example code for SSP (not SPI), just for your information. On Sat, Oct 3, 2009 at 4:48 PM, leon Heller wrote: > ----- Original Message ----- > ...

Re: SPI problem

Well, it was a hardware problem. I have mixed-up SSP0 pins (34, 37, 38) and SPI pins (60, 61, 62). This is my 1st design with LPC2000. The LPC23XX user manual says that SSP c...

EndLess DMA

I'm using LPC2478. I want to use DMA with SSP. I have an external master device that send continusly ssp data. I want to fill up a large memory with this ssp data. I want to us...

Re: ChanFS - LPC2138   [2 Articles]

Try to prescale down a little bit the SSP port (and see what happens). How long are your traces from the LPC to the SD card? Miguel Angel Ajo Pelayo http://www.nbee.es +34 91...

Hi! I need help with SPI - SD/MMC card   [2 Articles]

Hi all! I'm new in this group, I'm starting working with an lpc2148. I have the Olimex development board LPC-P2148 and I would like to read/write a 1 Gb sd card. I'm using Keil A...

Re: FAT32 on ARM LPC2136

> > Hi, > > I have been using EFSL on LPC2136 for last couple of years. > > It works up to > > 2GB Card only. > > As prices of 8GB card has come down, I need to support 8 ...

LPC2148 SSP with DAC TDA1543

Hi, Have some problem about SSP protocol with TDA1543 The problem appears as the last bits (low order) are unordered, giving a distortion for low signals. I had trying lot of c...

Re: SPi with inclinometer

Hi everybody this my first time here . > > I came here and sold my previous STM32 (Cortex M3 based) board when I saw the activity of this LPC2000 group to buy a LPC2148. > ...

Re: 24-bit ADC Master interfaced with LPC2136   [2 Articles]

Hi: With MCLK=1.6MHz you are getting 5kSps. With SCK=800Khz, you get a new byte every 10us, which might be too tight to read and process in the SPI0 Interrupt Service Routine...

Re: Device halts when SPI clock divider is set...

Just reading through your code comments and was wondering if you are really attempting to talk to the the TI TLC5628 as your comments say? If so, does it work with LSB first (your...

Fwd: I2C Issue   [3 Articles]

The I2C Protocol which you have sent is fine , Coming to the Vectored Interrupt Controller Initializations , I have compared the init part of your coding with mine . Just ...

I2C Issue

The I2C Protocol which you have sent is fine , Coming to the Vectored Interrupt Controller Initializations , I have compared the init part of your coding with mine . Just Check ...

SPI code in trouble

Hi, I try to use a LPC2148 with a ADIS16209 inclinometer. I try to get some codes and essentially the app . note from NXP (AN10406). The ADIS is wired like this : LP...

EFSL and SDHC   [13 Articles]

Hello everyone, I am attempting to get EFSL to work with SDHC cards. I have downloaded version 0.2.9 RC7 from this page http://www.siwawi.arubi.uni-kl.de/avr_projects/arm_...

Re: How to access to the SPI bus (LPC2138)   [4 Articles]

I come back... In fact, I'd like to use the SSP as a SPI bus. I've found appnote with example to use the SPI bus, but not with the pins that I use. appnote use the SPI interface...

SSP problem in lpc2138

Hi, friends I am using ssp protocol for intreprocessor communication. I enable all the interrupt. SSPIMSC = 0x0F; So, the process goes in interrupt ro...

SSP problem in lpc2138

Hi, friends I am using ssp protocol for intreprocessor communication. I enable all the interrupt. SSPIMSC = 0x0F; So, the process goes in interrupt routine...

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LPC1300 series expands industry's widest range of ARM-based microcontroller= s, integrating low-cost USB 2.0 and embedded driver software Eindhoven, The Netherlands, May 26, 20...

Re: SPi with inclinometer   [4 Articles]

--- In l...@yahoogroups.com, "el_lopo06" wrote: > > Hi everybody this my first time here . > > I came here and sold my previous STM32 (Cortex M3 based) board when I saw...

SPI / SSP driving SSEL signal as Master in LPC2148 applications   [9 Articles]

I'm using the SparkFun Logomatic V2 board to read LIS302 accelerometers over SPI (using the SSP port), basing my code on the KinetaMap code (also from SparkFun). Now that I have i...

SSP uClinux driver for lpc2478 (lpc22xx)

Hi. I'm looking for a SSP uClinux driver. Can anybody who used/wrote this kind of driver help me with a good link or even with a source code :) I know that in some starter kit...

SSP DMA on LPC2387   [2 Articles]

Hello all users! Has anyone used the SSP DMA on LPC32XX? I compiled a SSP sample project from IAR Compiler. It sends 256 bytes DMA channel0. If I change the DMA_SIZE from 256 ...

anyone run SSP slave at 30MHz?   [2 Articles]

I'm interested in pushing the SPI. Mainly, I'm interested if the max SCLK-PCLK ratio of 2 still applies when the SSP is a slave. Seems you usually have to drop the rate way down...

LPC2129 SPI sniffer help please   [3 Articles]

I am trying to make a SPI sniffer with the two SPI ports on the LPC2129 to capture a SPI bus master and slave transaction. I am not using interrupts yet and just polling. Both S...

Re: Using SPI0 and SPI1 on 2148 and 2294   [2 Articles]

Hi, Have you checked about SPI and SSP? Best Regards, Chutiman Yongprapat On Thu, Apr 9, 2009 at 7:21 PM, jdauchot wrote: > Hi > > I have some code working OK on 214...

Re: LPC2378 SPI SSEL   [3 Articles]

bluehash9 wrote: > I'm new to the chip evaluating if its SPI bus can be used for interfacing with some components. > > From all the examples I've read on this forum, it seems e...

SSP/SPI on the LPC2478   [3 Articles]

Hallo I do have a generic question about the SSP/SPI in the LPC2478. The user manual confuses me a bit.!! SSP0/SPI can be used either as SSP and SPI. But the SSP can also run...

SSP issues with lpc24xx   [3 Articles]

Hi, when switching an lpc2000 design with a SPI slave to a lpc24xx I used the second set of MISO0 / MOSI0 / SSEL0 / SCK0 pins on P2[xx] expecting to be able to run my existi...

Re: File system

Hello I did have similar problems. Reading the SD-card was OK but writing=20 corrupted the SD-card. It turned out to be the difference between SPI and SSP. (The low=20 leve...

Re: os x toolchain math functions

I'm going to attach all my codes from my test. Would appreciate pointers to my errors. all h,c,s source code and Makefile If the line in main.c which calls the trig function is...

IRQ mode of ADS7845

Hi, All, I met a issue of using touch screen controller --- ADS7845 . Use SPI mode to write and read data. My MCU is LPC2478 . I use SSP1 to realize SPI Interface. Link E...

Re: Starting with PWM lpc2148

You'll learn alot more by doing this yourself trudging through the manual but here is some code I wirte the first time I did it. I commented heavily so that I would never need...

SSP0 with DMA on LPC2368

Has somebody ever used SSP0 with DMA ? I'm starting with a demo code from NXP on a keil devboard (MCB2300), but this code is very light. It seems to be hard to manually do ...

SSP0 with DMA on LPC2368   [10 Articles]

Has somebody ever used SSP0 with DMA ? I'm starting with a demo code from NXP on a keil devboard (MCB2300), but this code is very light. It seems to be hard to manually do ...

Re: LPC2368 SPI problems

You're definitely right : CPU always win against me ;) Anyway, I thank you so much fo your help. I'm working on the DMA from the NXP example concerning SSP (found in the file...

Re: Re: LPC2368 SPI problems   [2 Articles]

[I succeed in using SSP0 clock at 18MHz but my issue is that my interrupt is too long (not the same interrupt code than Chris, I modified it). Thus, using a clock of 4.5MHz give ...