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Recent content by joel george

  1. J

    [ARM] programming a glcd320x240 for arm 7(lpc 2148)

    Hiii Sir, im trying my best to program a glcd after successfully doing it wid character lcd....ma basic doubt is dat "lets say i want to display a road path on my glcd,so den i need to set pixels ryt??so how are these pixels accessed??in which array??how to modeify dem??i really want the...
  2. J

    sim900 module problem

    hiiii 1)it myt not be showing any respoinse on the hyperterminal because u hv turned off few settings in hyperterminal...line echo linefeed carriage return...tick on dem.. 2)may be the sim holder is loose because of which there is no network and thus the blue led is not turned ON
  3. J

    [ARM] doubt in interrupt register values

    hiiii...i am working wid lpc2148 interrupt register when i gt confused wid few data.. 1) If a bit in VICIntSelect is 0 den its Vectored IRQ ryt? VICIntSelect=~(1<<15) selects EINT1 VICVectCntl0=(1<<5)|15; here bit 5 is set to 0 which mean enable non vectored default IRQ.... y is dat...
  4. J

    [ARM] interfacing glcd 128x64 with lpc2148

    But sir it doesnt specify the register values dat i need to connect ..the trim pot values nor the voltage supply
  5. J

    [ARM] interfacing glcd 128x64 with lpc2148

    hiiii i am finding it difficult to interface glcd 128x64 with lpc2148....escpecially i am not aware about the value of pull up registers to be used along the pins of glcd with lpc2148.. cud sumone help me wid the interfacg??does anyone have the diagram to interface??plssss
  6. J

    [ARM] graphic lcd with lpc2368

    im facing difficulties while interfacing glcd128x64 wid lpc2148...cud sumone post here the schematic diagram of this circuit?what shud be the value of pull up resistor dat i need to use??
  7. J

    [ARM] SIM908 Voltage Requirements

    heres the link to the image of the modem... https://obrazki.elektroda.pl/9762782700_1412003355.jpg
  8. J

    [ARM] SIM908 Voltage Requirements

    i was asking wat voltage to be supplied to the entire modem....not the module.....
  9. J

    [ARM] SIM908 Voltage Requirements

    but den wen i gv it 5v it was not working well.....doesnt the modem convert the gvn 9v to 3.2-4.8v???
  10. J

    [ARM] SIM908 Voltage Requirements

    Hiiii, Im working on sim908 and wanted to know if 9V supply with 1Amp is okay??? i earlier had used adapter wid ratings of 12V bt the modem used to heat up very quickly....so is 9v okay???Also i checked wid 5V ....the leds wer not glowing much.... pls help me or else i myt burn up dis modem tooo
  11. J

    sim900 and lpc2368 :basic program to send sms

    This is more of an algo that i want to implement...i need help 1)shud i be concerned about the reply i get from the gsm modem?(like OK,ERROR...) 2)how shud i den implement it...? #include <stdio.h> extern unsigned char cmgf[]="AT+CMGF=1"; extern unsigned char...
  12. J

    [ARM] graphic lcd with lpc2368

    i want to write it myself.....but is der any resource u cud help me wid to learn all these...to write the libraries??
  13. J

    [ARM] graphic lcd with lpc2368

    [Moved]Lpc2368 and glcd interfacing tutorials Hiii im a beginner to glcd...im working wid 320x240 glcd and lpc2368....i searched a lot many threads for the qame subject bt i didnt get proper libraries for glcd..cud sumone help me wid it... also is der any links that helps me wid learning the...
  14. J

    [ARM] graphic lcd with lpc2368

    actually i know to interface alpphanumeric LCD....i need help for graphical one...i mean few links..i searched a lot but am not gettg it....plss help
  15. J

    [ARM] graphic lcd with lpc2368

    Hiii..im a beginner to lcd programming...im doing a project which needs a graphic lcd ...could sumone suggest me resources and links to learn the basics of graphic lcd programming and its interfacing with ARM processors..lpc2368 especially...

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