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, 20 Nov 2008 20:30:58 -0800 http://backend.userland.com/rss092 Hi guys, I'm a student doing a final year project. My project needs a 8051 microcontroller to program and run a GSM modem to send, read and receive SM <noauthor@nospam.com> http://www.8051projects.net/forum-t9521.html search the site with your querry... u will find ur answers for sure..use the search tab at the top left1 shyam<shyam@nospam.com> http://www.8051projects.net/forum-t9521.html Thanks for your advice but I've searched the forums and found nothing much on using 8051 to control a wavecom GSM modem. Judgement<darknovat2t@nospam.com> http://www.8051projects.net/forum-t9521.html u said u r using fasttrack supreme...u shud have got urself a wavecom q24plus on the first hand.. there u wud have got an inbuilt ARM-7tdmi based con shyam<shyam@nospam.com> http://www.8051projects.net/forum-t9521.html Thanks. I'll try that. If I still have any problems, I'll post again. Judgement<darknovat2t@nospam.com> http://www.8051projects.net/forum-t9521.html Is there a tutorial or website that teaches you how to send AT commands with C?Or if any of you here can teach me some basics?Thanks. Judgement<darknovat2t@nospam.com> http://www.8051projects.net/forum-t9521.html all you need to do is.. configure your uart.create a function to send string.then send command like thisCODE:send("AT\r"); //send is your func Ajay<contact@nospam.com> http://www.8051projects.net/forum-t9521.html Thanks dude. That was what I was looking for. Judgement<darknovat2t@nospam.com> http://www.8051projects.net/forum-t9521.html do not forget to disable echo, coz that can create problem for you.ATE0 - disable echo Ajay<contact@nospam.com> http://www.8051projects.net/forum-t9521.html for this you need to do some string manipulation functions..see the response you get from AT Commands will always be in the above format.after the abo Ajay<contact@nospam.com> http://www.8051projects.net/forum-t9521.html Ok, I'm able to send AT commands to the modem but how do I read values from it? +CMGR : "REC UNREAD", "+6512345678", "08/05/27" How do I read the numb Judgement<darknovat2t@nospam.com> http://www.8051projects.net/forum-t9521.html Hey, thanks.I'll try that out. Judgement<darknovat2t@nospam.com> http://www.8051projects.net/forum-t9521.html Hi, You can register yourself in Wavecom Website. and can get downloaded AT Command Interface guide. Also try to get some basic knowledge of GSM mod Shailesh NAYAK<nayaktel@nospam.com> http://www.8051projects.net/forum-t9521.html Alright, I can get my 8051 to communicate with my serial port and now I have another problem. How do I send sms with the GSM in C? I know how to send Judgement<darknovat2t@nospam.com> http://www.8051projects.net/forum-t9521.html Judgement wrote ...Alright, I can get my 8051 to communicate with my serial port and now I have another problem. How do I send sms with the GSM in C? say2paul<say2paul@nospam.com> http://www.8051projects.net/forum-t9521.html say2paul wrote ...Judgement wrote ...Alright, I can get my 8051 to communicate with my serial port and now I have another problem. How do I send sms w Judgement<darknovat2t@nospam.com> http://www.8051projects.net/forum-t9521.html Judgement wrote ...say2paul wrote ...Judgement wrote ...Alright, I can get my 8051 to communicate with my serial port and now I have another problem. say2paul<say2paul@nospam.com> http://www.8051projects.net/forum-t9521.html say2paul wrote ...You are lucky you reached at the point where you are sending AT commands from 8051 to mobile phone. I am still finding how to connec Judgement<darknovat2t@nospam.com> http://www.8051projects.net/forum-t9521.html I have 1 more question. I'll post it up with my old question.Alright, I can get my 8051 to communicate with my serial port and now I have another prob Judgement<darknovat2t@nospam.com> http://www.8051projects.net/forum-t9521.html Ok, I've solved the sending SMS problem. However, I still have some problems with the timed SMS thing. Hope to see some replies soon. Thanks. Judgement<darknovat2t@nospam.com> http://www.8051projects.net/forum-t9521.html timers? or any hardware clock for better accuracy... Ajay<contact@nospam.com> http://www.8051projects.net/forum-t9521.html Ajay wrote ...timers? or any hardware clock for better accuracy...Hmm..trying not to add any additional hardware.Its more like a delayed SMS. The user Judgement<darknovat2t@nospam.com> http://www.8051projects.net/forum-t9521.html Also, how can I program it so that the GSM modem only continues with the program when the correct SMS text is sent? eg. 1 hourWhen the GSM modem recei Judgement<darknovat2t@nospam.com> http://www.8051projects.net/forum-t9521.html You can use this +6512345678 directly as ASCII charachter with AT+CMGS for exmpleAT+CMGS="+6512345678"\r Shailesh NAYAK<nayaktel@nospam.com> http://www.8051projects.net/forum-t9521.html