Dear Chris and all the group members, i am working on TCP/IP over ethernet in one of my project. i am using LPC2468 (NXP ARM7) and the...

Dear Chris and all the group members, i am working on TCP/IP over ethernet in one of my project. i am using LPC2468 (NXP ARM7) and the compiler is C ARM. and the PHY DEVICE IS DP83848C. i need your valuable advice in this regard... i have initialised EMAC PHY i need to know how do i send data to the server over TCP/IP. what procedure i have to apply for this... Regards Tripa...

Hello, colleagues! I would like to ask you helping me! I need write a simple program, which periodically sent Ethernet frames with 100 bytes...

Hello, colleagues! I would like to ask you helping me! I need write a simple program, which periodically sent Ethernet frames with 100 bytes information. Physical interface is KS8721BL. Chip is LPC2468. I've tried explore a sample from IAR 5.50, but it isn't work at all. It seems that KS8721BL can't be initialized. Now my JTAG go mad - doesn't work properly. I would be glad if you da...

I found a neat little 2103 board with an ENC28J60ML Ethernet interface (picture attached). At a price of $26, I gave it a try. All the...

I found a neat little 2103 board with an ENC28J60ML Ethernet interface (picture attached). At a price of $26, I gave it a try. All the documentation is in Chinese. I have found several applications that uses this interface & some that use the 2103 & 2106. Most of them are for really lean Web servers. I downloaded the source of uIP1.0, a software package that can be adapted to small m...

Hi folks, I have about 20 Keil MCB2300 boards with an LPC2378 on them. Of these, 15 seem to be running our application software with no...

Hi folks, I have about 20 Keil MCB2300 boards with an LPC2378 on them. Of these, 15 seem to be running our application software with no problems at all. The remainder consistently (some right away, others after a short amount of uptime) exhibit significant ethernet packet loss-- around 6-10% when doing a flood ping.) The "good" boards drop packets at well under 0.01%: about what I'd e...

I really like the Cortex-M3 but sometimes the hard faults make me crazy. Let me describe the problem that I see now. If anyone has any good...

I really like the Cortex-M3 but sometimes the hard faults make me crazy. Let me describe the problem that I see now. If anyone has any good insights, I'd love to hear them. I am writing an Ethernet driver for the LPC1766 and I get the hardfault when returning from the very first ethernet interrupt. Here is the more detailed sequence of events. 1. A timer interrupt occurs, the driver polls...

Hi all! I am just starting working with ARM. Before ARM I did some work with PIC, 8051 and Coldfire. After initial problems were solved...

Hi all! I am just starting working with ARM. Before ARM I did some work with PIC, 8051 and Coldfire. After initial problems were solved (like setting up OpenOCD and Eclipse) I managed to get UART and timers working and it's all great. Now I have a problem with Ethernet. I base most of my code on LPC23XX bundle code from NXP (which is for different compiler but so far I managed to get it ...

Hi, I'm developing a device that uses an LPC2387 and communicates with fast ethernet. I have developed a loader for reflashing it over...

Hi, I'm developing a device that uses an LPC2387 and communicates with fast ethernet. I have developed a loader for reflashing it over ethernet, I burn that loader to a place in the flash and in the main program, I just disable interrupts and copy the address of the loader into the program counter when instructed to do so. However, I'd like a way to leave the loader once reflashing is complete...

In one of our systems, I want to add a simple email feature. I have email working on a wireless modem, but some of our customers want a...

In one of our systems, I want to add a simple email feature. I have email working on a wireless modem, but some of our customers want a direct connection to their network. Some time ago, I put a footprint for a ENC28J60 chip on our board, since the LPC2148 doesn't have ethernet built in. I haven't been able to find stack code written for the Keil compiler for this purpose. I saw that...

Hi,i am dong a project with a lpc2368 and DP83848 for ethernet communication. i want to do the layout with two layer PCBA,but NXP application...

Hi,i am dong a project with a lpc2368 and DP83848 for ethernet communication. i want to do the layout with two layer PCBA,but NXP application note recommend do it with at least four layer, if anyone done the similar project with two layer PCB? please comment it, thanks in advance Steven Qin 2008-02-01 Zenitron Limited

Hi All I would like to make a LAN connection to an LPC2106 design. It seems best to use the SPI interface but I don't know...

Hi All I would like to make a LAN connection to an LPC2106 design. It seems best to use the SPI interface but I don't know much about SPI Ethernet controller support. After checking around I found the Microchip MCP22S80, a 10M device with SPI connection.

Hello all, I already have a code ready for Ethernet configuration in RMII mode. It is working fine. What i need to do is use the Ethernet...

Hello all, I already have a code ready for Ethernet configuration in RMII mode. It is working fine. What i need to do is use the Ethernet in MII mode. Following are the changes which i have made. but it doesnt seem to work. -------------------------- Original for RMII: /* Initialize MAC control registers. */ MAC_MAC1 = MAC1_PASS_ALL; MAC_MAC2 = MAC2_CRC_EN | MAC2_PAD_EN; MAC...

Did anybody ever run program code from the ethernet or usb RAM of LPC2468? I am using EA's LPC2486-16 OEM Board and Rowley`s "CrossStudio for...

Did anybody ever run program code from the ethernet or usb RAM of LPC2468? I am using EA's LPC2486-16 OEM Board and Rowley`s "CrossStudio for ARM". I modified the flash_placement file and created sections for these 2 16KB RAM areas. When I start debugging, I reach the subroutine that is placed in that ram section. I also can do some steps in the routine (assembler instructions), but then I...

Hi, Our design uses an LPC2468 with DP83848 PHY. We lose some Ethernet frames transmitted by our firmware. When I say that we lose the...

Hi, Our design uses an LPC2468 with DP83848 PHY. We lose some Ethernet frames transmitted by our firmware. When I say that we lose the frames, they have been transmitted as far as we can tell from the MAC registers in the LPC, but they are not detected by the PC at the other end of the wire (running a Wireshark capture). The test setup was an isolated point-to-point link with a s...

I am facing problem with ethernet communication on LPC2368 Rev D. my code works fine on LPC2368 Rev B and same code is not working on LPC 2368 Rev...

I am facing problem with ethernet communication on LPC2368 Rev D. my code works fine on LPC2368 Rev B and same code is not working on LPC 2368 Rev D .. I have used uTasker stack for TCPIP. Please suggest changes which are required so it works.. Thanks Pankaj ------------------------------------

Hi ! I am working on a board that has the same ethernet configuration as the KEIL MCB2300 board. A LPC2368 and a DP83848 PHYTER from...

Hi ! I am working on a board that has the same ethernet configuration as the KEIL MCB2300 board. A LPC2368 and a DP83848 PHYTER from National. I simply can't get the ethernet up and running. I know for sure that the register management interface MDIO/MDC works out fine as I am capeable of configurering and verifying the settings in the PHYTER from the LPC2368 Furthermore National has...

Hi all =20 I am testing a board design and I have run into a very strange problem. I have an Ethernet MAC initialization routine based on...

Hi all =20 I am testing a board design and I have run into a very strange problem. I have an Ethernet MAC initialization routine based on examples found around the net for my lpc2468 however the software will not run. The processor works as it runs other software testing out parts of the board. However whe= n I run the following code sequence: =20 PINSEL2 =3D 0x10151105; ...

25/Mar/2007 - 02:31 PM Hi All, I'm planning to use the following software modules in my LPC2138 microcontroller: * Real Time Operating...

25/Mar/2007 - 02:31 PM Hi All, I'm planning to use the following software modules in my LPC2138 microcontroller: * Real Time Operating System (uCOS-II or FreeRTOS). * Ethernet (ENC28J60, drivers, protocol ...). * TCP/IP Stack + Web Server (lwIP). * Scripting (Virtual Machine -> Pawn Language). * Secure Digital Card (FAT16/32 -> EFSL). The LPC2138 has 512KB Flash / 32KB RAM and 60

Hi! I finded interesting Application note: Ethernet secondary ISP bootloader for lpc23xx and...

Hi! I finded interesting Application note: Ethernet secondary ISP bootloader for lpc23xx and lpc24xx. http://www.nxp.com/acrobat_download/applicationnotes/AN10744_1.pdf I didn't find any example or application that is mention in document. Did anybody find it? Bye Peter ------------------------------------

Hi all, I use the LPC2365 micro with SMSC LAN8700 as Ethernet PHY. In order to reduce the EMI emissions, I would like to use this...

Hi all, I use the LPC2365 micro with SMSC LAN8700 as Ethernet PHY. In order to reduce the EMI emissions, I would like to use this spread spectrum oscillator: http://www.digikey.com/product-search/en?x=3D15&y=3D17&lang=3Den&site=3Dus&= KeyWords=3DASSVP-R-C01-ND The Spread Spectrum Bandwidth is =B10.125% that corresponds to 50ps maximum jitter (the frequency is 50MHz with a stability of =B125...

Hi, I am trying to implement Embedded Web Server wherein i have ported MicroC/OS-II RTOS on NXP LPC2148 MCU with a few sensors interfaced to...

Hi, I am trying to implement Embedded Web Server wherein i have ported MicroC/OS-II RTOS on NXP LPC2148 MCU with a few sensors interfaced to monitor temperature, moisture level and humidity. I am planning to use TCP-232-T from USR which is TTL UART to Ethernet TCPIP convert module so that the sensor parameters can be monitored remotely on a client PC using a web browser. Since i have no ...