I2C and bootloader control on the same pin
2005-04-20 by peterssonmikael
On the LPC2138, P0.14 is both SDA1 and bootloader control pin. So if I am using the second I2C-channel in a multimaster application there might a situation
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2005-04-20 by peterssonmikael
On the LPC2138, P0.14 is both SDA1 and bootloader control pin. So if I am using the second I2C-channel in a multimaster application there might a situation
2005-04-20 by soren_t_hansen
I m trying to use C++ to write a program to a LPC2138, and so far it was working ok. But when trying to make a virtual function the linker reports the
2005-04-20 by Leon Heller
... From: sudip nag To: Sent: Monday, April 18, 2005 3:02 PM Subject: [lpc2000] LPC2138 ... My JTAG
2005-04-19 by unikum888
So I have it running now! I removed all interrupt related in the UART driver and made a little filter function, that will only let zero and ones in. (Just to
2005-04-19 by k b shah (lascaux)
Other optin is to have a variable always set according to the setting of the port every time. for example you want to set value 0x3045 to port 1 you can sya
2005-04-19 by Aalt Lokhorst
Hello Kimi and Rob, Rob his solution reads the current port status. In most situations this is no problem. But it is a read/modify write situation and I don t
2005-04-19 by dibosco
I ve done an almost identical thing and just got my char value to write, chifted into its correct position in a temporary value in a long. Then read what s
2005-04-19 by Richard
Any half decent ARM C compilers should. Ours does for sure because I put it in :-) and I am sure GCC/IAR/GH/ADS do too. I would be really surprise if Keil
2005-04-19 by varuzhandanielyan
Does any of available C compilers support the conditional execution of the ARM instructions? Is there any rules, how to arrange the C code, to be sure, that it
2005-04-19 by rohan patil
i m developing board for lpc 2106 i have used protel pcb footprint lqfp48 which is given in file section of this group but protel is not routing tracks
2005-04-18 by acetoel
Hello, I making a little protocol to interfase between a LPC2106 and an Atmel 8bits MCU. My idea is to use an 8bit data bus (P0.14 to P0.21) for sending and
2005-04-18 by Owen Mooney
See the files section - Wriggler circuit in ASCII art. Owen Mooney Hi Everyone, I like to start with LPC2138 JTAG programming. Can you provide a link from
2005-04-18 by Bill Knight
Based upon the recent discussions concerning the UART TX FIFO, I have updated my UART Test w/ Blinky Lights program in the files section. The new (totally
2005-04-18 by unikum888
I ll try that and make a follow up later this week. ... is ... this. ... data ... such. ... in ... wouldn t ... I ... loop ... loop ... bothering ...
2005-04-18 by charlesgrenz
The only thing I see that may put the unit into some strange mode is that your code below may have to be set in a different order like this. ... If that does
2005-04-18 by unikum888
I have made the functions below (I use a lot of defines that are in the RF.h file): void RfTx(char data) { RFSet(0); UART1_TX(data); } char RfRx(void) {
2005-04-18 by charlesgrenz
Ok that s good, but I did not see any controls for those in the snipet of code you sent before. Is the TXD routine polled? Are you waiting until you finish
2005-04-18 by unikum888
Charles, sorry I misunderstood you completely :-) I have the controlpins of the RXQ1 set by I/O pins on the LPC2129. I have made an RfRx and an RfTx function,
2005-04-18 by Lowry, Jeff
Any reset rise time requirements for the LPC213x reset? I m controlling reset from an external latch. Do I need to slow down the rising edge? Thanks, Jeff.
2005-04-18 by charlesgrenz
Hi, No I meant the TXD and RXD enable of the RXQ1. Here is the table from the manual. Operation Table Tx Select RX Select Function 0 0 Power
2005-04-18 by unikum888
Charles, I use the setup you will se below: /*******************INT UART*************************/ void uart1_isr(void)__irq { if(U1IIR & 0x04){
2005-04-18 by lp2000c
I have not tried this. If the Data Book says don t do it - I listen. I would rather not find out what problem it causes after shipping 5000 units to
2005-04-18 by sudip nag
Thank you. I got the circuit and try it out. Sudip Vitor Cremasco wrote: there is a circuit at download files area of yahoogroups. ...
2005-04-18 by Bill Knight
A quick question to the group, if I may. When an SPI is used for read only (MISO, SCK, & SSEL), can the pin normally occupied by MOSI be used as a GPIO pin? I
2005-04-18 by charlesgrenz
How are you controlling the TXD and RXD enables? Charles
2005-04-18 by Vitor Cremasco
there is a circuit at download files area of yahoogroups. ... Yahoo! Acesso Grátis - Internet rápida e grátis. Instale o discador agora!
2005-04-18 by unikum888
Charles, I am using the FM-RXQ1 with MAX3222 between RF-module and MCB2100 kit. ... ... and ... ... is ... the ... with
2005-04-18 by sudip nag
Hi Everyone, I like to start with LPC2138 JTAG programming. Can you provide a link from where I will get the 14 pin and 20 pin JTAG Wiggler Circuits. I find
2005-04-18 by charlesgrenz
Are you using the RF600T, TRXQ1 or FM-RXQ1? Also how do you have it wired in if you are not using the RF600T? Charles
2005-04-18 by unikum888
9600Baud ... without ... Keil ... data ... by ... to at ... 9pin ... attached ... data ... to ... of
2005-04-18 by gregdeuerling
Does anyone know of any J1939 stacks that can be used with the Philips LPC2xxx uC s. I ve Googled around a bit but have not found anything yet... Thanks!
2005-04-18 by charlesgrenz
What s your baudrate set for on the Kiel units? Charles
2005-04-18 by unikum888
uwe, I can send data from pc to MCB and the other way around without problems. I have checked the connections some 100 times :-) and there should be no
2005-04-18 by Uwe Arends
Kasper, ... Does sending from PC to the receiving MCB work (connected by cable)? What might be happening is, that you have outputs driving each other. The PC
2005-04-18 by unikum888
Hi Charles, When I connect between the two boards using only cable, the only wires connected are TxD, RxD and GND. No DTR pin is used. Programming of the board
2005-04-18 by charlesgrenz
Morning, Just a few thoughts. I do not know much about the Kiel board, but if it s the same port that you can connect for debugging and download, then the DTR
2005-04-18 by Robert Adsett
... Add it to the FAQ http://www.open-research.org.uk/ARMuC/index.cgi?LPC2100Tips Robert Freedom has no meaning of itself. There are always restrictions,
2005-04-18 by 42Bastian Schick
... I have a LPC2294 here, which kill JTAG, but i can break on reset and then can read the flash. Ah, maybe, I just think I stop on 0, but actually stop
2005-04-18 by Robert Adsett
... I haven t heard of anyone doing that. Wouldn t it be far simpler just to enable the protection built-in (unless of course you are using a 2104/5/6)?
2005-04-18 by Robert Adsett
... Check the users manual. There is a flash location (just above the exception vectors) that can have a specific value written to it to provide read
2005-04-18 by unikum888
I have thought about that and that will be something I ll have to go deeper in with. I have searched the internet and found a lot of places where people
2005-04-18 by lpcarmed
Maybe some garbage characters can get into the data stream that brings your code into uncharted territory? Maybe you run out of stack or the code gone into a
2005-04-18 by unikum888
Hi, I have a strange problem. I have two MCB2100 boards from Keil where one is transmitting data out on the COM1 and the other is receiving data on the COM1.
2005-04-18 by lpcarmed
There was a lot of discussion about SPI recently, it would be great if we could summarize how to use it right. For starters this is what I collected: - SPI
2005-04-18 by lpcarmed
Code protect is available on the LPC211x and higher, using bootloader version 1.61 or higher. Take a look at message 2619. The first generation 48 pin devices
2005-04-18 by r_bottleneck
There is a hint in a thread about upcoming LPC2xxx devices. http://www.irelectronic.si/ftp/Philips/PHILIPS_MCU_2005_03_v1.pdf Page 6 indicates Flash security
2005-04-18 by 42Bastian Schick
Jaromir schrieb am Mon, 18 Apr 2005 ... You may replace the boot-loader with your own one is one idea that comes to mind. --
2005-04-18 by Jaromir
But how can I disable reading by bootloader (rs232 on uart0)? -- Jaromir _________________________________________________________________ List sprawdzony
2005-04-18 by 42Bastian Schick
... AFAIK there is no way to disable JTAG permantly. You can make hackers-life only a bit more complicate by disabling JTAG upon boot. BTW: Please make a new
2005-04-18 by Jaromir
Hello, I cant find any information about protecting software on lpc21xx. I use lpc21isp or sometimes Philips Flash Utility. Jaromir