Activity
From 01/03/2015 to 02/01/2015
01/30/2015
- JM 10:35 PM PCB Development: RE: MityARM-1808F SATA connection problem
- The SW developer told me the kernel version is 2.6.34
Does that affect the quality of link?
01/23/2015
- SN 03:21 AM Software Development: RE: Write to SharedMem from DSP and read it from ARM
- Hi mike
your are rigth. I tried it before the
map= (int *)(mmap(0,MAPPED_SIZE,PROT_READ|PROT_WRITE,MAP_SHARED,_fdmem,DDR_RAM_PHYS));
and forgot to correct it back.. Its working now, thanks alot..
01/22/2015
- MW 07:32 AM Software Development: RE: Write to SharedMem from DSP and read it from ARM
- No you don't need ot use SetSharedMemCfg() or SetPoolCfg() if you are not using the tcDspInbound and tcDspOutbound message passing frameworks.
If you look at the dspapp.cpp file in the MDK, you will see the following parameters: - SN 03:57 AM Software Development: RE: Write to SharedMem from DSP and read it from ARM
- Hi
do i need to use
int tcDspApp::SetSharedMemCfg(tsSharedMemCfg* pConfig)
or
int tcDspApp::SetPoolCfg(uint32_t anNumBufPools, uint32_t *apBufSizes,
uint32_t *apNumBuf, bool abExactMatch)
to use the Iram at 0... - SN 01:59 AM Software Development: RE: Write to SharedMem from DSP and read it from ARM
- Hi thanks for the help, I still got some problems with reading on the ARM.
ARM code:
01/20/2015
- JC 09:31 AM Software Development: RE: Write to SharedMem from DSP and read it from ARM
- You may find this post helpful for transmitting non-string data using dsplink. https://support.criticallink.com/redmine/boards/10/topics/4178?r=4179#message-4179
Note that the tsData::data_ptr requires tcDspApp::ReadMemory() on the AR... - MW 09:18 AM Software Development: RE: Write to SharedMem from DSP and read it from ARM
- DSP code is OK, though if you have the caches enabled for the regions of SRAM or RAM you may need to add a cache write back call to ensure the data is moved to external memory for the ARM to pick up.
-Mike - SN 09:05 AM Software Development: RE: Write to SharedMem from DSP and read it from ARM
- Hi thanks for the quick reply. I found some stuff of how to do it on the ARM side, following the example you pointed out. On the DSP is it okay to write to memory as showed above ?
- MW 07:33 AM Software Development: RE: Write to SharedMem from DSP and read it from ARM
- The linux OS uses virtual memory addresses. You can't access RAM by physical address in the normal case.
You need to use /dev/mem and mmap in the memory you want to access (though it will not be cacheable with this technique). See t... - Hi im trying to write to some shared memory from the DSP and read it back from the ARM. Ive expanded the HelloWorldDSP project, so memory is mapped as in that project. I tried on 4 different memory areas.
DSP code:
01/19/2015
- MW 07:08 AM PCB Development: RE: MityARM-1808F SATA connection problem
- What version of the kernel are you using?
01/18/2015
- JM 11:30 AM PCB Development: RE: MityARM-1808F SATA connection problem
- From the kernel boot message, occasionally it failed to link to 3G speed, it linked up to 1.5G, but most of the time if link to 3G failed, it failed totally at all. Even though it linked up at 1.5G, it failed to mount the file system.
...
01/16/2015
- MW 07:24 AM PCB Development: RE: MityARM-1808F SATA connection problem
- I am fairly certain that the lengths on the module for the SATA lines are matched. I will check with our PCB designer.
Do your boards ever negotiate to SATA-I speeds instead of SATA-II speeds? You should be able to see the negotiate...
01/15/2015
- JM 10:36 PM PCB Development: RE: MityARM-1808F SATA connection problem
- Thank you for your reply.
The HD is occacionally not attached. And the possibility of attahement depend on the brand of SSD. Intel SSD can be connected most of the time, Kingston has lower possibility on connection, and Samsung has very... - AD 10:13 AM PCB Development: RE: MityARM-1808F SATA connection problem
- Hi Jun Mo,
For layout recommendations, be very careful with the SATA layout. Below are some guidelines to verify before building the PCB:
* Use controlled impedance
* Avoid vias
** Completely avoid them if possible
* If vias ca... - MW 07:17 AM PCB Development: RE: MityARM-1808F SATA connection problem
- Hi,
Is the HD not ever detected, or does it occasionally not attach?
-Mike
- SK 03:04 AM Software Development: RE: Interrupt source code for DSP
- I also got the SW to run. But I have to use the set_vector_enable() function. This function enables the gpio-input interrupt in the base module.
Below you can find my code:
I have changed my address vector to 10 bits. - SN 01:20 AM Software Development: RE: Interrupt source code for DSP
- Hi Stefan
i Have two FPGA GPIO cores one at 0x66000080(output) and one at 0x66000100(input). Anyway with some help from Michele Capena i got the above code to run. I just removed this line tcDspFirmware::set_vector_enable(1, 0x0001, T...
01/14/2015
- I use MitySOM-1808F to develop our data logging system which store data into a SATA2 SSD HD. We design the mother board by ourselves and all the board have the same problem: the HD can not be recognized every time when the linux boot.
W... - SK 10:31 AM Software Development: RE: Interrupt source code for DSP
- Are you sure that the baseaddress for the input gpio is 0x66000100? How long is your address vector from the EMIFA IF module to the GPIO?
If you didn't change anything the vector should have a size of 6 bits.
That means that your base... - SN 08:04 AM Software Development: RE: Interrupt source code for DSP
- Hi
(Are you using the DSP/BIOS MityDSP-L138 Platform.tci file as a template for you BIOS? )
yes im using it, from the HelloWorldDSP example.
(You need to ensure that the BIOS interrupt dispatcher is enabled for the GPIO pins use... - MW 07:42 AM Software Development: RE: Interrupt source code for DSP
- For the GPIO, you should only use SetISRCallback(). The tcDspFpgaGpio class will call the register_isr_callback() method for you.
Are you using the DSP/BIOS MityDSP-L138 Platform.tci file as a template for you BIOS? You need to ensu... - SN 04:25 AM Software Development: RE: Interrupt source code for DSP
- Hi again Stefan
im trying to get an FPGA interrupt working on the industrual I/O . ive tried both
mpGpio_input->SetISRCallback and tcDspInterruptDispatch::register_isr_callback but not with any luck.
Im still unsure which one of t... - SN 03:39 AM Software Development: RE: Interrupt source code for DSP
- Hi Stefan
Have you seen this post "GPIO interrupt in MityOMAP-L138F" it might help you. Im also looking for help with setting up an FPGA gpio interrupt.
/stefan nielsen
01/13/2015
- OM 04:30 PM Software Development: RE: u-boot problem
- Without the serial converter it works.
The board has come to life!
Thank !!! - JC 09:25 AM Software Development: RE: u-boot problem
- Could you verify that the BOOTME message is sent by the l138 when you power it while holding the boot button? The output above seems to indicate it timed out waiting for the BOOTME message.
Also are you using a usb to serial converter... - MW 09:21 AM Software Development: RE: u-boot problem
- You should not need to do that if you are getting past u-Boot and trying to boot the kernel.
If you are getting any boot text (getting to u-Boot) can you please do the following and capture the text from the console and post it:
1.... - OM 09:19 AM Software Development: RE: u-boot problem
- Unfortunately, does not help. The message of the utility is following:
D:\...\MityDSP\sfh_ubl_072111>sfh_OMAP-L138 -flash -v -p C
OM1 UBL_SPI_MEM.ais u-boot.bin
-----------------------------------------------------
TI Serial Fla... - JC 09:01 AM Software Development: RE: u-boot problem
- Does this help?
[[Reprogramming a Dead Board]] - OM 07:44 AM Software Development: RE: u-boot problem
- Hi Mike.
After manipulations in accord https://support.criticallink.com/redmine/projects/arm9-platforms/wiki/Programming_the_FPGA my board it is not loaded at all.
It is impossible to be connected to her with CCS. On Industrial IO De... - MW 07:09 AM Software Development: RE: u-boot problem
- Post the complete text and your u-Boot environment.
Typically, this message is because the kernel cannot locate a root filesystem to boot from. Do you have your rootfs environment variable set?
-Mike
- Hi,
After power on board MityDSP-L138F the download stops with the message " Kernel panic - not syncing: No init found. Try passing init = option to kernel."
How to correct this situation?
Thanks
01/12/2015
- OM 05:48 AM FPGA Development: RE: FPGA programming
- Thank for your reply Mike.
Is it possible to write an image FPGA through СОМ1 on MityDSP? Whether it is possible to make it under Windows?
Oleh
01/10/2015
- MW 09:17 AM FPGA Development: RE: FPGA programming
- Once you have a bit file that you like you can run the promgen tool to create the binary image to load per this wiki page:
https://support.criticallink.com/redmine/projects/arm9-platforms/wiki/FPGA_Overview
Once you have a binary i... - Hi,
I have board L138-FI-236-RL.
Developed in Xilinx ISE the design fine works on FPGA at use ISE iMPACT.
Please, tell a step-by-step how to create an image for FPGA and how to provide working of the design at power off/power on.
...
01/09/2015
- SN 05:48 AM Software Development: RE: Simple Code/Doc for FPGA toggle of GPIO from DSP
- Thank you, you where spot, it solved the issue with only having one pin high at a time.
The following works
mpGpio->SetPinValue(0,0,1); //pin7
mpGpio->SetPinValue(0,1,1); //pin15
if i use
mpGpio->WritePins(0,0xFFFF,1); //al...
01/08/2015
- MW 09:18 AM Software Development: RE: Simple Code/Doc for FPGA toggle of GPIO from DSP
- Also, you should not be calling the destructor. This line is not OK:
- MW 08:29 AM Software Development: RE: Simple Code/Doc for FPGA toggle of GPIO from DSP
- The driver could be rewritten to contain a shadow mask of the desired output register, but that is not the current implementation.
-Mike
- MW 08:28 AM Software Development: RE: Simple Code/Doc for FPGA toggle of GPIO from DSP
- The code for the DSP GPIO control does a read modify write. It Reads the input state of the entire bank, masks the value you are trying to change into the register, and writes the register back out.
If, in your VHDL, you do not conne... - SN 08:04 AM Software Development: RE: Simple Code/Doc for FPGA toggle of GPIO from DSP
- Not sure what you mean with input ?,
both are mapped in the VHDL code as output. and set as output with SetPinDirection()
I can set both pin high, only not at the same time. - MW 07:52 AM Software Development: RE: Simple Code/Doc for FPGA toggle of GPIO from DSP
- Do you have the inputs of the GPIO core for offsets 0 and 1 connected in you FPGA design?
- SN 04:22 AM Software Development: RE: Simple Code/Doc for FPGA toggle of GPIO from DSP
- Hi
If i want to toggle both pin 7 and pin 15 at the same time i have an issue (both work independently). Pin 7 goes high, but as soon an i write to pin 15 it goes low again. I tried with mpGpio->WritePins(0,0x3,1)/mpGpio->WritePins(0,... - Hi All,
I try to figure out how to serve an interrupt in the DSP code and how to register an ISR for a FPGA interrupt.
How can I register an interrupt system in the DSP code (interrupt from FPGA --> execute ISR)? Could anyone provide...
01/05/2015
- FA 07:08 PM FPGA Development: RE: Programming the FPGA
- Hi
What was the solution to the last problem (add source error)? I get the same warning when trying to add pwm.ngc etc into a lx45 project.
thanks, Flemming