LPC2148 USB problem

Started by Michal Krestan in LPC20008 years ago 4 replies

Hi, please can anybody send me functional example code for testing usb on LPC2148? I need any hex file, which is running usb code to get work...

Hi, please can anybody send me functional example code for testing usb on LPC2148? I need any hex file, which is running usb code to get work on LPC2148. I've tried usb driver from sourceforge, however still have no success. Windows always gives me message of unrecognized usb device and is not able to read class ID. I don't know, if it's hadrware or software problem on my board. Only USB pins...


about USB programming of LPC2378

Started by sukhdeep singh in LPC20009 years ago 2 replies
USB

Dear Sir,=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0I want to communic= ate two LPC2378 microcontrollers by using USB. i have never...

Dear Sir,=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0I want to communic= ate two LPC2378 microcontrollers by using USB. i have never interface USB b= efore it. kindly help, how to program the usb. i am using keil,but when deb= ugging it does not show any usb debugging parameters.how can i know whateve= r code i am writting is right or wrong.Thanks=C2=A0 Add more friends to your mess...


Windows USB Monitor Software

Started by kd7lmo in LPC200010 years ago 9 replies

I'm developing an LPC2148 USB application and want to capture the USB traffic on the host for debug. Any recommendations for USB...

I'm developing an LPC2148 USB application and want to capture the USB traffic on the host for debug. Any recommendations for USB Host monitoring software? I've found the following: http://www.hhdsoftware.com/Products/home/usb-monitor.html http://www.usb-monitor.com/usb-monitor-pro.html http://www.everstrike.com/usb-monitor/ http://www.aggsoft.com/usb-port-monitor.htm They all seem to ...


Re : I can use driver VCOM Port of the Keil in my product? or I am forced to buy a VI

Started by Laurent Guilhaumon in LPC200010 years ago 3 replies

You need your own USB VID if you want to be USB certified. However, to avoid USB "collision" in the "real world", your own VID is better. Some...

You need your own USB VID if you want to be USB certified. However, to avoid USB "collision" in the "real world", your own VID is better. Some USB manufacturer allow you to use their VID and give you a personnal PID for your product. You can buy your VID for about 1000$ - 2000$. here is the USB-IF answer: ( http://www.usb.org/developers/usbfaq/#12 ) 12. How do I get a...


LPC USB capability

Started by RW Concepts - enquiries in LPC20005 years ago 3 replies

I=92m new to embedded USB and am looking at a design that=92ll have to take= input from a USB mouse. Looking at the NXP data, I=92m a bit...

I=92m new to embedded USB and am looking at a design that=92ll have to take= input from a USB mouse. Looking at the NXP data, I=92m a bit confused. Am I right in thinking that I=92ll need USB Host capability? In which case, what=92s the smallest NXP ARM uC that can implement this? I thought I=92d be able to take advantage of the USB ROM drivers in an LPC1= 1U00 but this seems to be USB...


USB Device Controller for LPC23xx

Started by mailmeatsubbu in LPC20006 years ago 1 reply
USB

Dear Friends, I'm new to USB. I don't know how to start with USB... Now im planning to work on that... So can anyone suggest me how to start...

Dear Friends, I'm new to USB. I don't know how to start with USB... Now im planning to work on that... So can anyone suggest me how to start working with USB and are there any sample codes already available.... Theoretically i have some idea on USB but on programming side i don't know how to start with it... So please help me in this Thanks in advance ------------------------------------...


USB VirtualCom

Started by ebreuilly in LPC200011 years ago 1 reply

Hello, I try to develop on IAR LPC2148 an USB VirtualCom with IAR stack. But I have only mouse application exemple and I don't success to...

Hello, I try to develop on IAR LPC2148 an USB VirtualCom with IAR stack. But I have only mouse application exemple and I don't success to change=20 this example to USB VirtualCom. USB VirtualCom add a serial port on the PC and convert the data from=20 USB to UART on LPC2148 using DMA. Anybody have an example to give me in order to understand how work the=20 LPC2148 USB with CDC class ...


USB Power LPC2368

Started by Ad Goudsmit in LPC20009 years ago 3 replies
USB

Dear all, I'm working with the LPC2368 which some of you know allready. I've implemented the link between the USB and the SD-card but now i'm...

Dear all, I'm working with the LPC2368 which some of you know allready. I've implemented the link between the USB and the SD-card but now i'm having some new problems. The device needs to be charged throut the USB cable so a special adapter and a USB-cable is provided. But when the adapter is connected to the USB-connection, i get an USB interrupt on the device but no PC is connected. ...


USB LPC2378

Started by sukhdeep singh in LPC20008 years ago 2 replies

Hi Everybody, =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 I have some doubts related to US= B during reading LPC23xx user manual. 1)what is...

Hi Everybody, =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 I have some doubts related to US= B during reading LPC23xx user manual. 1)what is role of DMA in USB? 2)Is there any difference in USB OTG and host/device controllers? 3)Can LPC2378 can be used as Host controller? 4)what is the difference between USB i2c and USB OTG controllers? 5) what is USB-IF? kindly tell me about all these t...


USB DMA RAM - OK to subvert to other purposes?

Started by cynergized in LPC20006 years ago

On shy on RAM, and I'd like to use the 8K on-chip USB DMA RAM on the lpc2148, address 0x7FD00000 to 0x7FD01FFF, for other non-USB purposes. I AM...

On shy on RAM, and I'd like to use the 8K on-chip USB DMA RAM on the lpc2148, address 0x7FD00000 to 0x7FD01FFF, for other non-USB purposes. I AM using usb, but I am not using DMA with it. Does anyone know if this chunk of RAM is strictly used for USB DMA transfers, or is it also used for non-DMA USB FIFOs? Experimentally, I seem to be able to use this chunk of RAM without messing up my usb bulk ...


USB utiity

Started by vennela2214 in LPC200011 years ago 3 replies

Which is the best and freely available USB utility software on the net.. I mean to say , the USB utility similar to Hyperterminal e.t.c.. I...

Which is the best and freely available USB utility software on the net.. I mean to say , the USB utility similar to Hyperterminal e.t.c.. I would like to use this, to test one of the OLIMEX boards serial to USB .. Thanks,


USB - LPC2148

Started by "sebastian.kozub" in LPC20008 years ago 7 replies

Hi, I am Sebastian, and I'm new to this group. I am trying to ( or I have to ;-) ) write my own USB library for LPC214x. Could you help with some...

Hi, I am Sebastian, and I'm new to this group. I am trying to ( or I have to ;-) ) write my own USB library for LPC214x. Could you help with some simple samples of using USB? I know that there are smaple USB stack from Keil and IAR but it's hard to understand so big library. Thanks a lot ------------------------------------


help --- if LPC 214x USB VirtualCom will take up UART resource

Started by hjiongh in LPC20009 years ago 7 replies

hi, Now i use LPC2478 USB VirtualCom, and it is same to LPC214x USB VirtualCom . So I downloaded example application of LPC214x USB...

hi, Now i use LPC2478 USB VirtualCom, and it is same to LPC214x USB VirtualCom . So I downloaded example application of LPC214x USB VirtualCom , and i changed it from Keil to IAR and tested successfully. But now i have a question: if USB VirtualCom function will take up UART resource? Because when i connect PC and board by USB line, PC use hyper-terminal Windows and send data to b...


UART-like USB soft for LPC214*

Started by varuzhandanielyan in LPC200012 years ago 15 replies

Does there exist free or cheap software to run the LPC2148 USB without digging deeply into the USB protocol details? The best example is...

Does there exist free or cheap software to run the LPC2148 USB without digging deeply into the USB protocol details? The best example is the FTDIchip approach, where the USB looks like UART from both sides: PC and microcontroller. Thank you, Varuzhan


USB Class Suggestion

Started by Sachin Tiwari in LPC20006 years ago 10 replies
USB

Hello I am using LPC1768 and have successfully tested code for USB end device. I am able to access the USB as a COM from the PC. I want to...

Hello I am using LPC1768 and have successfully tested code for USB end device. I am able to access the USB as a COM from the PC. I want to access it as any other USB device now. example like a mouse, this means that the device should infact be read as the USB and not as a virtual COM. The way we have interface, HID, Endpoint, report descriptor etc for mouse, may be i would be able to do som...


USB Resource

Started by majid_mokhtari in LPC200012 years ago 5 replies

Hi everybody , I have just started using USB instead of RS485 in an especial medical instrument . I am surfing on the web to find a good...

Hi everybody , I have just started using USB instead of RS485 in an especial medical instrument . I am surfing on the web to find a good and practical resource for introducing USB Protocol . It's planned to use LPC2138 , although I am also searching for USB controllers . Any advice is welcomed , Majid


LPC1788 USB Host on Port 2

Started by mike_schwarzer in LPC20006 years ago 1 reply
USB

Hi Guys, I would like to use the LPC1788 USB Host on Port 2. My LPC1788 is running at 120MHz, so i think i have to use PLL1 (Alternate PLL)...

Hi Guys, I would like to use the LPC1788 USB Host on Port 2. My LPC1788 is running at 120MHz, so i think i have to use PLL1 (Alternate PLL) to get the USB Clock. Has someone done so allready, and wold be so nice to make his code public (At least for me :-)). I try it following way: // Turn on USB PCONP_bit.PCUSB =3D 1; =09 // Disable USB interrupts USBINTS_bit.EN_USB_INTS =3D 0; ...


USB Stack

Started by sukhdeep singh in LPC20008 years ago 1 reply
USB

I want to communicate LPC23xx with PC using USB Port. Now i am reading USB and have some doubts like USB Stack. What is USB Stack and how host...

I want to communicate LPC23xx with PC using USB Port. Now i am reading USB and have some doubts like USB Stack. What is USB Stack and how host controller will use USB Stack to communicate with device controller. Thanks Explore and discover exciting holidays and getaways with Yahoo! India Travel http://in.travel.yahoo.com/ ------------------------------------


FatFs with USB

Started by Nishant Agrawal in LPC20007 years ago 4 replies

Hi people, Has anyone tried FatFs for USB memory sticks? At the moment I am looking into FatFs for SD cards but I will also have to create Fat...

Hi people, Has anyone tried FatFs for USB memory sticks? At the moment I am looking into FatFs for SD cards but I will also have to create Fat files into the USB memory as well. I haven't looked into USB at the moment. I ask this question because if it is possible then I would modularize my FatFs and SPI interface to also include USB driver. -- With Regards, Nishant Agrawal


USB on LPC2378

Started by karelvergauwe in LPC20009 years ago
USB

On the LPC2378 there are 2 USB ports, wich are multiplexed. What does this mean? 1) Only one of the 2 ports can be used, just for easer pin...

On the LPC2378 there are 2 USB ports, wich are multiplexed. What does this mean? 1) Only one of the 2 ports can be used, just for easer pin assignement 2) 2 fully separated USB ports can be made 3) both ports can be used as 1 USB port without the need for a hub I think it is the first one, but I'm not sure. If I would like to use USB for just HID or MSD (decision made from the beginni...