USART communication in PIC

Started by Anuhas in comp.arch.embedded10 years ago 10 replies

Dear Experts, I want to send some AT commands from a PIC through RS232. Give me the codes in C to send something from PIC that should be...

Dear Experts, I want to send some AT commands from a PIC through RS232. Give me the codes in C to send something from PIC that should be displayed in a hyperterminal Regards Anuhas


Do you still use "RS232" or something else?

Started by Oliver Betz in comp.arch.embedded8 years ago 99 replies

Hello All, although most of our (industrial) clients still use to have computers with a "real" serial port, I observe a small but increasing...

Hello All, although most of our (industrial) clients still use to have computers with a "real" serial port, I observe a small but increasing number struggling with bad USB adapters and asking for other interfaces. Therefore I'm reconsidering the best suited interface for device configuration and diagnosis. Do you still use EIA-232? Customers complaining? What do you consider a suita...


Recommended UK supplier for PIC chips?

Started by Alun in comp.arch.embedded10 years ago 6 replies

As indicated. I'm after a PIC programming set up, to run on the PC, and to download to the PIC flash either by RS232 or by USB. Ideally to...

As indicated. I'm after a PIC programming set up, to run on the PC, and to download to the PIC flash either by RS232 or by USB. Ideally to cover a range of PIC pin counts. Price? I anticiapte around the ?100 mark


Software UART for WindowsXP

Started by Anonymous in comp.arch.embedded14 years ago 8 replies

Hello, I am trying to test a modem by pinging it with some data at 38400 baud using an 8N1 format over a serial RS232 link. I was wondering...

Hello, I am trying to test a modem by pinging it with some data at 38400 baud using an 8N1 format over a serial RS232 link. I was wondering if someone had code (for WinXp) for a software UART which will do the same. Any suggestions/ideas/comments on the same will be most welcome. Thanks, ~Tanmay Z.


SH7043 Maximum baud rate

Started by vivek in comp.arch.embedded14 years ago 4 replies

Hi all, I am having problems using the Hitachi SH7043 for RS232 communication beyond 38400 Kbps. ( I keep getting Overrun Errors). I...

Hi all, I am having problems using the Hitachi SH7043 for RS232 communication beyond 38400 Kbps. ( I keep getting Overrun Errors). I suspect that the UART's reliable communication limit is 38400Kbps Any help would be greatly appreciated. Thanks in advance, Vivek


How do you interface C328 Camera with HyperTerminal software

Started by menix in comp.arch.embedded12 years ago 4 replies

Hello How do you connect C328-7640 using RS232 to a PC through HyperTerminal software. Do I need somekind of additional component between...

Hello How do you connect C328-7640 using RS232 to a PC through HyperTerminal software. Do I need somekind of additional component between the cam and PC? Or any thing else I should consider? Thanks


Yet another for Serial to Ethernet!

Started by Ali in comp.arch.embedded12 years ago 9 replies

Folks! I did try to lookin the archive at first hand but could not find answers to my questions, so; here I go. We have a device...

Folks! I did try to lookin the archive at first hand but could not find answers to my questions, so; here I go. We have a device with Rs232 Interface and it is just fine and functional. Now we want to provide Ethernet connectivity, we did some work with RealTek and AtmegaXX but honestly the results are not that satisfactory after development of over one month. Issues we are facin...


Safe way to write interrupt driven circular buffer tx rx?

Started by Sven in comp.arch.embedded12 years ago 8 replies

Can someone point out source code for a safe circular buffer receiver transmitter? It's for sending and receiving bytes via RS232.

Can someone point out source code for a safe circular buffer receiver transmitter? It's for sending and receiving bytes via RS232.


uart problem_help

Started by zheng in comp.arch.embedded10 years ago 1 reply

Hi all, I am using dspic30f6010a interfacing pc with rs232. when I use hyperterminal, I can only receive something like <

Hi all, I am using dspic30f6010a interfacing pc with rs232. when I use hyperterminal, I can only receive something like <


Using Bluetooth

Started by hamilton in comp.arch.embedded9 years ago 3 replies

Has anyone used these Bluetooth modules ?? http://cgi.ebay.com/2-PCS-Wireless-Bluetooth-RS232-TTL-Transceiver-Module-/200523926482 I have...

Has anyone used these Bluetooth modules ?? http://cgi.ebay.com/2-PCS-Wireless-Bluetooth-RS232-TTL-Transceiver-Module-/200523926482 I have been googleing for PC application code examples, but I have not found a good search term. C# would be my source of choice, but MS C++ would also work. Thanks for any informations. hamilton


Programmer for AT24C64

Started by James254 in comp.arch.embedded15 years ago 10 replies

Hi All, I support a product that's been manufactured with a bug in the flash memory of the microcontroller. The factory has come up with a...

Hi All, I support a product that's been manufactured with a bug in the flash memory of the microcontroller. The factory has come up with a solution and the design allows the update to be loaded via the products RS232 connector, so this part is simple. When the update is done I need to go into the adjustment menu and manually edit 116 different locations in the EEPROM according to a table...


Barcode scanner reverse engineering

Started by D Yuniskis in comp.arch.embedded9 years ago 6 replies

Hi, I have a box full of Scanplus 1800 SR's. I am trying to use them in a project for a local 501(c)3. To do so, I need to fabricate some...

Hi, I have a box full of Scanplus 1800 SR's. I am trying to use them in a project for a local 501(c)3. To do so, I need to fabricate some cables that will make available the "RS232" interface from the scanner. [for those unfamiliar with these types of scanners, in general, they typically have several interfaces on board and *one* is selected for use by the choice of cable connecting ...


usb

Started by eugene in comp.arch.embedded13 years ago 2 replies

Can somebody give me resources on how to develop a serial to usb device? I'm not allowed to use rs232 to usb ICs so I have to develop...

Can somebody give me resources on how to develop a serial to usb device? I'm not allowed to use rs232 to usb ICs so I have to develop my own! Already have the USB specification. Thanks


UART protection

Started by Medic in comp.arch.embedded10 years ago 6 replies

I want to connect the UART of the micro (LPC2100) to a cell phone serial port. Both devices should probably have short circuit protection...

I want to connect the UART of the micro (LPC2100) to a cell phone serial port. Both devices should probably have short circuit protection but neither use +-15V true RS232 specs. Do I need a line driver chip between or is there a simpler (less cost/parts) way of making the connection? Thanks.


8051 suggestion

Started by wolf99 in comp.arch.embedded8 years ago 20 replies

Hi Folks I am looking at developing a new application, that I hope I can do using an 8051 derivative. Two main requirements that I have are...

Hi Folks I am looking at developing a new application, that I hope I can do using an 8051 derivative. Two main requirements that I have are that it be pretty damn fast (50-100MHz) and have I2C. Also around 6-ish external interrupts and port for RS232... Have been looking also at using a RTOS....but this is not fixed in stone. I am quite familiar with the 8051 and the keil uvision IDE ...


Monitoring RS485

Started by Daniele in comp.arch.embedded13 years ago 23 replies

Hi all, i need an informatio about rs485: I need to watch netwrok trafic from my device and another device that use rs485 to comunicate....

Hi all, i need an informatio about rs485: I need to watch netwrok trafic from my device and another device that use rs485 to comunicate. Is possible to connect in parallel mode another peripherical (like a pc via rs232) to trace all the message that is exchange from two device? Thanks in advanced Daniele


Embedded board

Started by Anonymous in comp.arch.embedded12 years ago 3 replies

Hi! I hope this is the right NG where to post my question. We're looking for an embedded board with this features: + three or more...

Hi! I hope this is the right NG where to post my question. We're looking for an embedded board with this features: + three or more RS232 port + support for C language + some digital and analog I/O + there is no need of a large amount of RAM nor high CPU frequency I know we can realize that with a simple microcontroller but a compact and commercial unit is more suitable for our ap...


futurlec at90s2313 dev board

Started by jcomeau_ictx in comp.arch.embedded12 years ago 1 reply

Actually the AT90S2313 board but with an ATTINY2313 processor. I can program it with PonyProg2000 and the accompanying parallel port adapter,...

Actually the AT90S2313 board but with an ATTINY2313 processor. I can program it with PonyProg2000 and the accompanying parallel port adapter, but am wondering if anyone here has used the same adaptor to communicate with the board. The memory dump shows it has a test menu already built-in. Or do I need to use RS232 to talk to it? Thanks -- jc


Parser, again!

Started by jmariano in comp.arch.embedded5 years ago 51 replies

Dear All, I'm in need of some advice! (not the full solution). A word of caution: i'm not an computer science guy, so probably i'm not using...

Dear All, I'm in need of some advice! (not the full solution). A word of caution: i'm not an computer science guy, so probably i'm not using the correct therms! I'm a part-time prototype developer at my university. My latest project is a box with a microcontroller that measures and actuates on stuff. The box is under the command of a PC, using RS232 or USB, in a master-slave m


How to download Windows CE in PXA255

Started by dev in comp.arch.embedded14 years ago 1 reply

Hi, I am very new in this Embedded world.I need to install Windows CE os in PXA255.In the card USB and RS232 are available.Do anybody know...

Hi, I am very new in this Embedded world.I need to install Windows CE os in PXA255.In the card USB and RS232 are available.Do anybody know which port i need to select & how to download Windows CE . I am not getting any clue. Regards Dev