http://www.8051projects.net/ Learn to make simple microcontroller projects, pic, 8051, avr and arm projects. download 8051 projects, tutorials, libraries, sample codes. join the microcontroller discussion forum and ask doubts regarding electronics. the best source for 8051 over internet. Thu, 04 Dec 2008 15:41:28 -0800 http://backend.userland.com/rss092 we are working on project controlling of stepper motor through AVR microcontroller using serial communication.in that as a part of testing we are to t <noauthor@nospam.com> http://www.8051projects.net/forum-t7002.html check AVR serial tutorial abbas1707<abbas@nospam.com> http://www.8051projects.net/forum-t7002.html we have already gone through it and we made program by reffering that but it is not working for transmitting and receiving a bipls,send proper progra ece<pooja_pooh27@nospam.com> http://www.8051projects.net/forum-t7002.html which AVR you are using? Ajay<contact@nospam.com> http://www.8051projects.net/forum-t7002.html AT MEGA32. ece<pooja_pooh27@nospam.com> http://www.8051projects.net/forum-t7002.html actualy we have to send and recieve a bit through port D of AT MEGA32 i.e on port D.0 and port D.1 we are not getting wat to do for program how to wri ece<pooja_pooh27@nospam.com> http://www.8051projects.net/forum-t7002.html why D.0 and D.1 ?? you can do it on any pin... just send them/ receive serially abbas1707<abbas@nospam.com> http://www.8051projects.net/forum-t7002.html abbas, PD.0 is RXD and PD.1 is TXD..can i see your code ece..? Ajay<contact@nospam.com> http://www.8051projects.net/forum-t7002.html Here is our program.pls check it and make the necessary changes.CODE:.include"m32def.inc"
.def reg1= r16
.def reg2=r17
.def reg3=r18 ece<pooja_pooh27@nospam.com> http://www.8051projects.net/forum-t7002.html What clock are you using? sashijoseph<sashijoseph@nospam.com> http://www.8051projects.net/forum-t7002.html we dont know whether to use clock or not.we are new to this concept.can u help in modifying our program or send us new one that can run. ece<pooja_pooh27@nospam.com> http://www.8051projects.net/forum-t7002.html Please go through the tutorial and datasheet. Write something and if you get any problem then post here.We do not provide codes as such you know that. Ajay<contact@nospam.com> http://www.8051projects.net/forum-t7002.html we are not getting u.can u pls make necessary changes in the code that we sent u. ece<pooja_pooh27@nospam.com> http://www.8051projects.net/forum-t7002.html Your code seems to be ok.Are you using an external 4Mhz crystal?Can you tell us about your hardware connections....like crystal,reset pin,uart pins et sashijoseph<sashijoseph@nospam.com> http://www.8051projects.net/forum-t7002.html v hav already tested the chip wid simple led programs. v r using a 16Mhz externalcrystal. v can transmit through our program btwen it comes in recieve ece<pooja_pooh27@nospam.com> http://www.8051projects.net/forum-t7002.html may i take a look at your program once? Ajay<contact@nospam.com> http://www.8051projects.net/forum-t7002.html It's in the 1st page,Ajay. sashijoseph<sashijoseph@nospam.com> http://www.8051projects.net/forum-t7002.html is that program correct? Its just subroutines.. where is the main routine?and UDR is a register not a bit. Ajay<contact@nospam.com> http://www.8051projects.net/forum-t7002.html ece wrote ...v hav already tested the chip wid simple led programs. v r using a 16Mhz externalcrystal. v can transmit through our program btwen it com sashijoseph<sashijoseph@nospam.com> http://www.8051projects.net/forum-t7002.html just check if the IC is ATmega32 or ATmeag32L. If it is ATmeag32L, then the max. frequency it can operate is 8mhz and not 16mhz. download WinAVR GCC( pdi33<islurpundalik@nospam.com> http://www.8051projects.net/forum-t7002.html I tried on True Serial port and Baud rates are correct MATHIVANAN<mathivananindia@nospam.com> http://www.8051projects.net/forum-t7002.html i am also having same problem in AVR -ATMEGA32Lworking at 8Mhz(baud reate=0x33). i am using MAX232CPE chip for RS232 to TTL converter. i am having USB MATHIVANAN<mathivananindia@nospam.com> http://www.8051projects.net/forum-t7002.html why are you looping? you can send and receive from PC to test the 2-way communication. may i know the purpose of your test project.Please do post the Ajay<contact@nospam.com> http://www.8051projects.net/forum-t7002.html hi mathivanan, i guess you replied almost after 1 week i am really out of mind what was the exact point of discussion and what was the real problem. Ajay<contact@nospam.com> http://www.8051projects.net/forum-t7002.html @MATHIVANANAre the baud rates set up correctly on both sides.Try once with a true serial port on the pc instead of the usb-rs converter. sashijoseph<sashijoseph@nospam.com> http://www.8051projects.net/forum-t7002.html I want to know is there any special fuse settings is available for TXN RXN . MATHIVANAN<mathivananindia@nospam.com> http://www.8051projects.net/forum-t7002.html in the cable? no for sure.. Ajay<contact@nospam.com> http://www.8051projects.net/forum-t7002.html hi Mathi,check if ur control registers are correctly initialised.if ur using the RX complete interrupt, then the RXCIE bit of the UCSRB register shoul pdi33<islurpundalik@nospam.com> http://www.8051projects.net/forum-t7002.html Thank you very much experts i am going to try.......more MATHIVANAN<mathivananindia@nospam.com> http://www.8051projects.net/forum-t7002.html