Timer Interrupt And UART Interrupt

Started by rijan Shrestha in LPC20005 years ago 2 replies

I am having problem in understanding timer interrupts and its use? I mean ,= how it can be more useful than the delays we generaly use...

I am having problem in understanding timer interrupts and its use? I mean ,= how it can be more useful than the delays we generaly use as {while(int i=3D0;i


gps interface with lpc2148

Started by subhash shrestha in LPC20005 years ago 2 replies

i'm using keil4 and facing problem in extracting $GPGGA data ,plz somebody help me anazlyze the gps data via programming, i had searched in google...

i'm using keil4 and facing problem in extracting $GPGGA data ,plz somebody help me anazlyze the gps data via programming, i had searched in google can't found suitable solution so,plz feedback me soon... ------------------------------------


Why LPC18xx has 16 pins for ADC but only 8 channels?

Started by ntchien2013 in LPC20005 years ago 28 replies
ADC

Hi all, i check the LPC18xx user manual and see that it has 16 pins for ADC but only 8 channels in reading value. How these pins are connected...

Hi all, i check the LPC18xx user manual and see that it has 16 pins for ADC but only 8 channels in reading value. How these pins are connected to the channels? Best regards, Chien ------------------------------------


Help with understanding timer intervals and match register

Started by Nick in LPC20005 years ago 2 replies

Hey guys I could use some help. I have a LPC1764 running at 100MHz and I am using LPC expresso 5.2.6. I am following the LPCX176x_cmsis2_timer...

Hey guys I could use some help. I have a LPC1764 running at 100MHz and I am using LPC expresso 5.2.6. I am following the LPCX176x_cmsis2_timer example provided. I see that the timer intervals are defined as follows: #define TIMER0_INTERVAL ((2 * (4 *(SystemCoreClock/10))) - 1) #define TIMER1_INTERVAL ((2 *(4 *(SystemCoreClock/10))/3) - 1) #define TIMER2_INTERVAL ((2 *(4 *(SystemCoreClock/...


LPC2148 Board Not Working

Started by majidirani2012 in LPC20005 years ago 5 replies

I made a LPC2148 Board for Controlling Servo Motors. My board work under Debug situation (with Jlink Programmer) but while I program board with...

I made a LPC2148 Board for Controlling Servo Motors. My board work under Debug situation (with Jlink Programmer) but while I program board with *.hex file, it doesn't work. Please help me. Thank you ------------------------------------


Where we can buy LPCXpressoers

Started by Will JIANG in LPC20005 years ago 5 replies

Could anybody figure where we can buy it, with high quality, quick response service? ------------------------------------

Could anybody figure where we can buy it, with high quality, quick response service? ------------------------------------


LPC2148 USB HID KEIL Sample Project Issues

Started by Wesley Carlsen in LPC20005 years ago 2 replies

I have the following code in two different uVision projects (one is the def= ault project that I got from the KEIL website that sets up a USB HID...

I have the following code in two different uVision projects (one is the def= ault project that I got from the KEIL website that sets up a USB HID and th= e other is a barebones project I created to understand how the sample USB c= ode works). I borrowed all of this code verbatim (in only changed the const= ants to register values and numbers) from the sample KEIL USB HID project (= which work...


Problem of USART communication with Hypertermin LPC1850

Started by ntchien2013 in LPC20005 years ago

Dear all, i am using mcb1800 and Keil uVision 4. I am trying to send a string from USART0 to Hyperterminal in a PC by function SendString in...

Dear all, i am using mcb1800 and Keil uVision 4. I am trying to send a string from USART0 to Hyperterminal in a PC by function SendString in the code. It did not work. Do you have any idea? I think problem might be come from the clock setup? because I do not understand the clock source of UART0? Hope you can help? Best regards, Chien Code uart.c #include #include "uart.h"


CAN Bus Development tools

Started by Toby Harris in LPC20005 years ago 1 reply
USB

I am about to start developing a CAN Bus project and was after peoples first hand experience in (low cost!) PC Based (Windows 7 - 64 bit)...

I am about to start developing a CAN Bus project and was after peoples first hand experience in (low cost!) PC Based (Windows 7 - 64 bit) USB Can Bus tools. Ideally I'd like to analyse and log both 11 bit and 29 bit frame formats at speeds up to 1 Mbit, in addition the ability to filter and transmit my own test frames would be required. So far I've identified the following products: PEAK P...


Custom 1764 schematic/board with LPC Expresso and LPC-LINK2 issues

Started by microx9000 in LPC20005 years ago 8 replies

Hey guys, I'm in need of some assistance with my setup. I am using the LPC-Link 2 with LPC Expresso (v5.2.6) and SWD for...

Hey guys, I'm in need of some assistance with my setup. I am using the LPC-Link 2 with LPC Expresso (v5.2.6) and SWD for programming (SWIO,SWDCLK, and reset). Here is the schematic I have made and I am currently following: I'm not 100% on the connections and would appreciate any feedback, sugg


Ask a Question to the EmbeddedRelated community

To significantly increase your chances of receiving answers, please make sure to:

  1. Use a meaningful title
  2. Express your question clearly and well
  3. Do not use this forum to promote your product, service or business
  4. Write in clear, grammatical, correctly-spelled language
  5. Do not post content that violates a copyright