Matrix user forums

Hello Khaled

All the answers to your questions are available in the device datasheet available from here.

http://ww1.microchip.com/downloads/en/D ... 39582b.pdf

Hello This is a microchip silicone thing im afraid. However there is a workaround. Basically the EEPROM data is written to the EEPROM by writing 0x55 and 0xaa and then the EEPROM data. This is Microchips mechanism to make sure that you really do want to overwrite a byte of the EEPROM. Basically if a...

Hello Timers can be used by using the interrupt enable icons. If you wish to read the timer registers directly then you will need to create either a single variable or two variables depending on the size of the timer registers. Eg in flowcode create variables timer1h and timer1l. Then using a C code...

Hello Wolfgang

The free version of Flowcode can be downloaded from this page.

http://www.matrixmultimedia.com/Flowcode3a-X.php

Here is the direct link.

http://www.matrixmultimedia.com/Downloa ... k.php?id=2

Hello The Flowcode 7 segment component is defined for a common anode display so the 8-bit data connection provide a path to ground rather then power for the segment. Common cathode types of display will be supported by Flowcode V4. In the mean time if you know a bit of C you should be able to edit t...

Hello

Few simple things you could check. Eg make sure that the SPI properties are correct, which clock edge is data written on, how fast should the bus be running etc.

Hello

Thats just the C compiler optimising out your code by removing unused functions. Nothing to worry about unless you are actually calling those functions in your code.

Hello Rinie

Everything you require is available at the bottom of this page.

http://www.matrixmultimedia.com/abouteb ... ions-X.php

I have also attached the Zigbee test file for you.

Ah ok that makes sense. The timer1 interrupt is probably not defined for the 16F877 processor. If you open up the 16F877A.fcd file from the Flowcode V3/fcd folder and scroll to the bottom then you will see the interrupt code. Copy this section of code into your 16F877.fcd file and restart Flowcode. ...

Hello I dont think this is correct. tmr1=0; Instead you would probably need to use tmr1h=0; tmr1l=0; Then to load the flowcode variables into the timer you would have to do the following. tmr1h = FCV_TMR1H; tmr1l = FCV_TMR1L; To read the timer variables into flowcode use the following. FCV_TMR1H = t...

Hello and system division by four>>>how do we do that???i don't know!!can someone tell me??>> This is built into the PIC architecture and cannot be disabled. still missing how to get the low and high bits of timer1? The low and high bits of the timer can be collected by reading the registers using a...

Hello

Check that the timer interrupt enable icon properties is using the CLKI and not the T0CLKI for the input clock.

Hello

The timer interrupt simulation is not great and will not always work depending on your machine. For a guarenteed result use the PIC hardware to test the timer operation.

Hello

Please check that the jumpers just to the left of the LCD screen are all set to the I/O position. If this doesn't work or the jumpers are already positioned correctly then what kind of 84 are you using. EG 16F84 16F84A etc.

Hello Yes you can have up to 8 layers using the hardware stack and up to 255 using the boostc software stack. The warning message is saying that your main code has 4 layers and your interrupt code has 5 layers resulting in a possible 9 layer stack. You are also getting a second warning saying your c...

Hello

Here is the 64 pin version of the definition file. Simply copy into your Flowcode v3/fcd folder and restart Flowcode. If it turns out that you need the 68 pin definition then let me know and I will generate that for you too.

Hello

Ok well I will try to have an unbiased look at it later this afternoon and come back later on with my findings.

Hello Your program is compiling and not receiving an error just a serious warning. The warning is referring to code that is called in your main routine and in an interrupt routine. If the program runs ok then there is probably nothing to worry about. If the program does not run ok then the best thin...

Hello Ok well it comes down to this list. These are my opinions only but hopefully I can help you to find the best solution. 1) There is no current mass storage component and even if I were given the go ahead to make this then it would take at least a week or two to get it to a workable stage. 2) Th...

Hello

Is your 6680 using the 64 pin package or the 68 pin package?

Hello

Test files for the bluetooth can be found at the link below as well as a version of our bluetooth manual.

http://www.matrixmultimedia.com/abouteb ... ions-X.php

Hello

Im afraid that the 18F6680 is not currently supported by the current version of Flowcode. Good news is that it is possible to provide support for this fairly quickly. If you wish to go ahead and use Flowcode then let me know and I will generate the definitions to allow this chip to work.

Hello Chevvy

The delays are software based and do not use the hardware timers. Same goes for the switch debounce.

Hello Kumaran As far as I know to enumerate as a mass storage device you have to be compliant with a form of FAT. therefore you would also have to use a FAT file system on your flash memory. Im not 100% on how all of this works but if you could get away without using a mass storage device then it wo...

Hello Paddy

I have attached the file for you.