[beagleboard] Re: [BBB] Can't boot with 'CCC..." message wthen connecting MCP2515 via SPI

2017-08-05 Thread Graham
You have apparently used one or more pins that conflict with the boot configuration pins on the BBB, or the eMMC. Read the "BeagleBone Black System Reference Manual" (Version C.1), pages 62, 63, 68, 82, 106, 107. == On Saturday, August 5, 2017 at 4:43:55 AM UTC-5, Hee-cheol Yang wrote: > >

[beagleboard] Re: What Are Some "Okay" Ways to Test If Specific Pins on the P8 and P9 Headers are Still Working?

2017-08-07 Thread Graham
e and wiggle the second pin, and see if the first sees it. Very simple hardware. Just a bunch of pins shorted to each other. --- Graham == On Monday, August 7, 2017 at 11:46:43 AM UTC-5, Mala Dies wrote: > > Hello, > > I am still looking around for test options for the Debian OS on o

[beagleboard] Re: What Are Some "Okay" Ways to Test If Specific Pins on the P8 and P9 Headers are Still Working?

2017-08-08 Thread Graham
nt to test or verify the pin hardware, I think some minimal external hardware needs to be involved. --- Graham == On Monday, August 7, 2017 at 4:22:25 PM UTC-5, Mala Dies wrote: > > Hello Graham, > > Seth here. Okay, I will just check to see if they are working. I thought > the dis

[beagleboard] Re: Voltage Range 5V +/-

2017-08-10 Thread Graham
running the BBB from batteries, I suggest that you have an external boost/buck converter, so that the power to the BBB stays at a safe and comfortable 4.75 to 5.25 Volts, no matter what the battery is doing. --- Graham == On Thursday, August 10, 2017 at 1:43:05 AM UTC-5, Fohnbit wrote: > >

[beagleboard] PCIe possibilities with BeagleBoard x15 (SATA)

2017-08-16 Thread graham
Hi, I'm interested in the BeagleBoard x15, but primarily for use with additional SATA ports. Is this possible with the PCIe expansion ports? If so, could someone point me in the right direction for a possibly compatible SATA PCIe board if available? Wanting to connect up to 6 drives, not lookin

Re: [beagleboard] Announcing $25 PocketBeagle

2017-09-21 Thread Graham
Will these Mikroe Click Ethernet or WiFi boards plug in to the PocketBeagle directly? (Assuming that you installed the female headers on the PocketBeagle.) Or, do you need to jumper wire between the boards, or create an adaptor board to make the right connections? --- Graham == On Thursday

[beagleboard] Re: Announcing $25 PocketBeagle

2017-09-22 Thread Graham
mpete with the Raspberry Pi Zero. --- Graham """ -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it,

[beagleboard] Re: Announcing $25 PocketBeagle

2017-09-23 Thread Graham
And this is just to get it shipped from Ft. Worth, Texas, to a US Citizen in Austin, Texas. Just think what it will be like to get one outside of the U.S. --- Graham == -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to

[beagleboard] Re: How to Drive Nixie Clock

2017-09-26 Thread Graham
o take or repeat a class on semiconductor devices. I would also add a "pull-down" resistor to the input of the first transistor in the two-transistor circuit, so that it can not turn on when the driving circuit is not initialized, and "floating". --- Graham == On Tuesd

[beagleboard] Re: PocketBeagle U-Boot Overlays [naming???]

2017-09-26 Thread Graham
The interface names seem much more self explanatory. The U/M option is workable. --- Graham == On Tuesday, September 26, 2017 at 5:15:32 PM UTC-5, RobertCNelson wrote: > > On Tue, Sep 26, 2017 at 4:36 PM, Robert Nelson > wrote: > > So i'm working on adding support for a

Re: [beagleboard] Re: PocketBeagle U-Boot Overlays [naming???]

2017-09-27 Thread Graham
niversal click board motherboard. --- Graham == On Wednesday, September 27, 2017 at 7:08:30 AM UTC-5, Jason Kridner wrote: > > > > On Sep 27, 2017, at 1:03 AM, William Hermans > wrote: > > Just out of curiosity though. What's with the sudden interest with > Mikrob

Re: [beagleboard] PocketBeagle headers

2017-09-29 Thread Graham
female, tin contacts Following stocked at both Mouser and Digikey 90151-2116 16 position (8x2) 90151-2120 20 position (10x2) If someone has another vendor and part number that will fit, I would like to hear about it. --- Graham == -- For more options, visit http://beagleboard.org/discuss

Re: [beagleboard] PocketBeagle headers

2017-09-29 Thread Graham
e to be readily available parts that allow you to implement the hardware standard, without forcing things to fit. --- Graham == -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group.

Re: [beagleboard] PocketBeagle headers

2017-09-29 Thread Graham
evilwulfie wrote: check out samtec -- Good idea. But Samtec mostly sells factory direct, so hard for hobbyists to get, unless some one who works at Digikey could get them to stock the part we would need. --- Graham, -- For more options, visit http://beagleboard.org/discuss --- You received

Re: [beagleboard] BeagleBone blue heading drift on small AUV

2017-09-30 Thread Graham
, then go off a cliff when almost fully discharged. Your switching power supply is converting this drop in Voltage to an increase in current which is an increase in the interfering magnetic field. Get the compass/magnetometer sensor as far away from the battery/power system as you can. --- Graham

Re: [beagleboard] PocketBeagle headers

2017-10-01 Thread Graham
tacts, tin plated solder tabs for PCB through hole. Samtec # ESW-118-12-T-D I personally prefer gold on gold for signals, but costs a dollar per connector more. (Google "tin fretting") --- Graham == On Friday, September 29, 2017 at 10:07:28 PM UTC-5, RobertCNelson wrote: > >

Re: [beagleboard] Re: Announcing $25 PocketBeagle

2017-10-03 Thread Graham
Andy: The following is an outline of what to do to connect a PocketBeagle to the internet via the USB cable to a Windows 10 desktop which is connected to the Internet via hardwire Ethernet. ~~~ Ethernet over USB Tether Gadget ~~~ This is

Re: [beagleboard] PocketBeagle headers

2017-10-06 Thread Graham
ition, which are stocked .( Amphenol FCI 76342-309LF ) Specified width is 0.200, but I measure 0.198 If all you want to do is mount a single small "Click" board they also have an 8x1 that works fine. ( Amphenol FCI 75915-308LF ) --- Graham On Thursday, October 5, 2017 at 8

Re: [beagleboard] PocketBeagle headers

2017-10-06 Thread Graham
. If Robert likes this solution, maybe he can get Digikey to stock the 36 position connector. --- Graham == On Friday, October 6, 2017 at 11:32:09 AM UTC-5, Giulio Moro wrote: > > Ok thanks. > By the sound of it, it seems that you would be able to fit the sockets but > then you w

Re: [beagleboard] PocketBeagle headers

2017-10-06 Thread Graham
mm connector system, NOT a 0.1 Inch / 2.54 mm system that is required. --- Graham == -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop

[beagleboard] Re: ENC28J60 Click on PocketBeagle

2017-10-06 Thread Graham
t to report the Down and up speeds for a PocketBeagle? --- Graham == -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving

[beagleboard] Re: ENC28J60 Click on PocketBeagle

2017-10-07 Thread Graham
he SPI clock is set to 12 MHZ. Recompiled the '.dtbo' with SPI clock at 24 MHz. Now, I get 3.8 Mbps down and 5.9 Mbps up, so the SPI transfer speed increase helps, but is not the bottleneck. My network measures 71 down and 5.9 Up, so at least, I can max out my network connection o

Re: [beagleboard] Re: ENC28J60 Click on PocketBeagle

2017-10-07 Thread Graham
k, not the ETH-WIZ --- Graham == On Saturday, October 7, 2017 at 6:13:29 PM UTC-5, William Hermans wrote: > > > > On Sat, Oct 7, 2017 at 4:02 PM, Robert Nelson > wrote: > >> >> How fast can you push the spi bus? I've just used the 12 mhz, as it was >>

[beagleboard] Slow boot times on PocketBeagle

2017-10-08 Thread Graham
t? Thanks, --- Graham == Excerpt: [4.399012] random: udevadm: uninitialized urandom read (16 bytes read) [4.399106] random: udevadm: uninitialized urandom read (16 bytes read) [4.399827] random: udevadm: uninitialized urandom read (16 bytes read) [4.400464] random: udevadm: uni

[beagleboard] Re: Where is the Cortex M3?

2017-10-08 Thread Graham
> > See: > https://groups.google.com/forum/?utm_source=digest&utm_medium=email#!msg/beagleboard/8JsyejZCreE/GZ36Zkk3BgAJ -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscri

Re: [beagleboard] Re: ENC28J60 Click on PocketBeagle

2017-10-09 Thread Graham
also have a request from Steven to bump the SPI Clock on the ETH Click to 16 MHz. I don't have one of those to test. --- Graham == On Monday, October 9, 2017 at 12:15:07 PM UTC-5, RobertCNelson wrote: > > > Hi Graham, > > Has this survived the weekend? (any random loss of con

Re: [beagleboard] Re: ENC28J60 Click on PocketBeagle

2017-10-10 Thread Graham
The ETH-WIZ locked up overnight running at 48 MHz SPI-Clock. I moved it down to 24 MHz and rebooted. I'll let it run for the rest of the week. --- Graham == > > -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to

Re: [beagleboard] Re: ENC28J60 Click on PocketBeagle

2017-10-10 Thread Graham
ork by the router) *86:37:73:45:44:E9 * *62:C0:73:03:5E:AD* *FE:7F:41:5A:31:F9* This is weird. None of the three are in legitimate block assignments. --- Graham On Tuesday, October 10, 2017 at 9:33:16 AM UTC-5, Graham wrote: > > The ETH-WIZ locked up overnight running at 48 MHz SPI-Cl

Re: [beagleboard] Re: Adding a USB Port to PocketBeagle

2017-10-11 Thread Graham
Dan: What is the part number for your U4 ? You are going to have to add some I2C pull-up resistors somewhere. Thanks, --- Graham == On Wednesday, October 11, 2017 at 10:08:10 AM UTC-5, Dan Brown wrote: > > If you are just trying to hook up a quick and dirty connection, then tie >

Re: [beagleboard] Re: Adding a USB Port to PocketBeagle

2017-10-13 Thread Graham
Upload 41 Mbps. And it has a legitimate MAC address. :-) (for comparison, BBB Rev.C is download 60 Mbps, upload 70 Mbps, which is about all I would expect out of a 100 Mbps connection.) --- Graham == -- For more options, visit http://beagleboard.org/discuss --- You received this message b

[beagleboard] Re: How quick from power-on to PWM signals?

2017-10-15 Thread Graham
tware control, that is not turned on until after the system has booted, and you can then initialize the ESC's within your alloted time, after turning on the power switch. --- Graham == -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are

[beagleboard] Re: PocketBeagle power consumption

2017-10-15 Thread Graham
It draws 0.25A at 5.0V when idle. When running hard, like 100 percent CPU loading and lots of memory I/O, that can double during peak loads. Any accessory loads are extra. --- Graham == On Sunday, October 15, 2017 at 9:03:38 AM UTC-5, refa...@gmail.com wrote: > > Does anyone have

[beagleboard] Re: BBB not powering on

2017-10-18 Thread Graham
supplies can't handle it. --- Graham == On Wednesday, October 18, 2017 at 7:14:48 AM UTC-5, Marco Thome wrote: > > Hi, > > I was working with a brand new beaglebone black on usb as usual. > Everything was fine, until I connect it to the company's network over > ethernet and

[beagleboard] Re: ENC28J60 Click on PocketBeagle

2017-10-18 Thread Graham
a random number generator, upon booting on a new image for the first time. I am tired of chasing this Ethernet interface all over my network address space. . --- Graham == -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to th

[beagleboard] Pocket Beagle breaks python-smbus

2017-10-22 Thread Graham
I am trying to run some Python control of I2C devices on the Pocket Beagle (PB) that already run on the BBB (Rev C). So, I set up the following comparison: Load fresh "bone-debian-9.2-iot-armhf-2017-10-10-4gb.img" on the BBB Rev.C

[beagleboard] Re: Pocket Beagle breaks python-smbus

2017-10-22 Thread Graham
Please disregard... I had a strange hardware grounding problem that allowed "i2cdetect" to see the part, but could not communicate with the part. I2C working as expected on the PocketBeagle, now. --- Graham == On Sunday, October 22, 2017 at 9:00:57 AM UTC-5, Graham wrote: > >

Re: [beagleboard] Pocket Beagle SPI1 ChipSelect on silkscreen is not CS0 but CS1

2017-10-31 Thread Graham
Robert: Are the default device tree pinmux connections for the PocketBeagle the functions named in the silkscreen labels on the bottom of the PocketBeagle? So far this appears to be the case. Any exceptions? --- Graham == On Monday, October 30, 2017 at 11:02:56 PM UTC-5, Henner Zeller

[beagleboard] Re: BBB with nRF24L01+: Cannot send/receive data

2017-11-04 Thread Graham
It means that python is looking for a code module named nrf24.py, and it can not find it. So, either you don't have it, or you put it in the wrong place. --- Graham == On Saturday, November 4, 2017 at 4:14:53 PM UTC-5, juan...@gmail.com wrote: > > I get this error, any idea? thank

[beagleboard] PocketBeagle USB1 Question

2017-11-05 Thread Graham
when USB1 has an external 5 Volt power source. I guess the basic question is whether this needs to be used/connected when USB1 is functioning as a host. --- Graham == -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the G

[beagleboard] Re: PocketBeagle USB1 Question

2017-11-05 Thread Graham
the question becomes,,, What is the best way to power USB1 VBUS as a host if I don't know in advance whether the customer application will run from VIN or VIN.USB? --- Graham == On Sunday, November 5, 2017 at 6:58:06 PM UTC-6, Graham wrote: > > I note that there is a PocketBeagle pin

[beagleboard] Re: Problem with 5V

2017-11-07 Thread Graham
will trip the self protect. There are also some rise-time requiremetns when the power is turned on. It is best to stay between 4.75 and 5.25, so that you have some margin, against the self-protect points. Put an oscilloscope on your 5V power and figure out what is happening. --- Graham == On

Re: [beagleboard] BeagleBone Black availability

2017-11-08 Thread Graham
It looks like Digikey is out of stock, but Mouser has 1300+ on the shelf. Mouser Part #: 958-BBB01-SC-505 Manufacturer Part #:BBB01-SC-505 Manufacturer: BeagleBoard by GHI Description:Single Board Computers Beaglebone Black In Stock 1: $55.00 == -- For more o

[beagleboard] Re: Patent CN 105652813 A

2017-11-10 Thread Graham
l and see if German law is similar. --- Graham == On Friday, November 10, 2017 at 9:31:23 AM UTC-6, steffen...@gmail.com wrote: > > Hello, > I´m a student from Germany. > My plan for my Bachelor thesis is to develop a system as described in the > Patent > <htt

[beagleboard] Re: battery power PocketBeagle

2017-11-10 Thread Graham
, but when on LiPo battery, this will only be 3.2 to 4.2 Volts, which is not within USB spec for Vbus. So, if you are running off of 4V LIPO battery, there is no on-board source of 5 Volts for the USB ports. You may have to provide your own boost converter or other 5V source. --- Graham == On

[beagleboard] Re: battery power for PocketBeagle?

2017-11-10 Thread Graham
P2 pins 14 and 16 ? -- On Friday, November 10, 2017 at 12:15:05 AM UTC-6, Shannon Mackey wrote: > > > I expect I'm overlooking something, But it isn't obvious to me how to > power the PocketBeagle with batteries. It doesn't have a similar > arrangement to BBB. Can someone point me in the righ

[beagleboard] Re: battery power PocketBeagle

2017-11-10 Thread Graham
and Vbus, under the control of P2-3 USB1 Enable. P2-5 (USB1-Vbus) needs to be hooked to Vbus, so the Sitara knows when the USB bus is powered. --- Graham == On Friday, November 10, 2017 at 1:33:41 PM UTC-6, wi...@geomonkey.com wrote: > > Graham -- > > That totally makes sense. Th

Re: [beagleboard] Re: Patent CN 105652813 A

2017-11-10 Thread Graham
I am corrected. There is no exemption for personal use or educational use in the US. --- Graham == On Friday, November 10, 2017 at 12:48:44 PM UTC-6, Eric Keller wrote: > > Unfortunately, in the U.S., there is no personal use or educational use > waiver of patent protection. However

[beagleboard] Re: BeagleBone Green wont boot if cape connected

2017-11-15 Thread Graham
You have apparently used two pins that conflict with the boot configuration pins on the BBB, or the eMMC. Read the "BeagleBone Black System Reference Manual" (Version C.1), pages 62, 63, 68, 82, 106, 107. --- Graham == On Wednesday, November 15, 2017 at 1:48:34 PM UTC-6, Paulo Sher

[beagleboard] Re: Install on emmc or keep on USB?

2020-05-03 Thread graham
Your microSD card is 64 GB in size. You can access it all if you follow the instructions to expand the file system. The eMMC is 4 GB in size. If you need less than 4 GB, then you can use the eMMC. If you do a lot of writes, then the 64 GB card will last much longer, since the write leveling algo

[beagleboard] Re: B.B.B. turn off automatically

2020-06-15 Thread graham
Could be old software. Some earlier versions of Debian did that. What version software are you using? Could be a weak power supply. Is your power supply good enough to power the peak currents for the BeagleBone at all times? Are you using a PocketBeagle, and not a BeagleBone? The PocketBeagles d

[beagleboard] Re: Ethernet over USB adapter

2020-06-24 Thread graham
nnector to header pin connection, to do what you are trying to do. --- Graham == On Wednesday, June 24, 2020 at 11:26:26 AM UTC-5, Szoshi wrote: > > Hello, > > I am trying to connect a PB in our network over a USB to Ethernet adapter. > I assumed that modifying the interfaces

Re: [beagleboard] micro - sd card

2020-07-08 Thread graham
size limit of 4 GB. So as long as you are not trying to use Windows, there is no problem going somewhat above 32 GB. --- Graham == On Wednesday, July 8, 2020 at 5:22:28 AM UTC-5, Stuart Longland wrote: > > On 7/7/20 12:50 am, jonnymo wrote: > > If you use a 64Gb or greater card,

[beagleboard] Re: Pocket Beagle does not boot.

2020-07-16 Thread graham
I would start by having 3-D X-Ray of the solder balls under the main processor chip, to look for shorts, solder bridges and open ball connections. Simple vertical X-ray will not always tell you what you need to know. --- Graham == On Thursday, July 16, 2020 at 4:10:53 AM UTC-5, Wapeul wrote

[beagleboard] Re: Wifi (IEEE802.11 bgn) antenna cable frequency range for Beaglebone Black Wireless

2019-01-07 Thread Graham
If you are using Wifi at 2.4 GHz, then any antenna cable that will transport that band will work. So, either 0 to 3 GHz, or 0 to 6 GHz will be fine. You need to understand your losses per foot or per meter and keep your overall losses reasonable. --- Graham == On Monday, January 7, 2019 at 4

[beagleboard] Re: Booting BBB Clone

2019-01-13 Thread graham
maybe the kernel, so you can hard code the information somewhere that they expected to get from the EEPROM. It is not as simple as providing a new device tree. --- Graham == On Saturday, January 12, 2019 at 7:32:53 PM UTC-6, Dave wrote: > > I am working to bring up a BBB "clone&q

[beagleboard] Re: Beaglebone as a USBTMC Device

2019-01-14 Thread Graham
or the BBB. --- Graham == On Sunday, January 13, 2019 at 10:51:48 PM UTC-6, Matt Bradley wrote: > > Hello, > > Does anyone know how to make the Beaglebone Black into a USBTMC device? > > Please note: I am not trying to control USB devices (like multimeters and > oscillosco

Re: [beagleboard] Re: Beaglebone as a USBTMC Device

2019-01-14 Thread Graham
Adrian: You are correct, I misread his request. --- Graham == On Monday, January 14, 2019 at 9:42:28 AM UTC-6, Adrian Godwin wrote: > > If I understand Matt correctly, he doesn't want what Python USBTMC does. I > believe that's a Python application (which might run on

[beagleboard] Unable to get BBB to recognize USB Serial Device

2019-01-15 Thread Graham
of conflict with the USB gadget function? --- Graham == -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, sen

[beagleboard] Re: Unable to get BBB to recognize USB Serial Device

2019-01-15 Thread Graham
It looks like it does show up as a ttyACM0 device, rather than a ttyUSB0 device. Now I need to get it running, sorry for the question. --- Graham == On Tuesday, January 15, 2019 at 9:27:48 PM UTC-6, Graham wrote: > > I am running debian 9.5 2018-10-07 on a BBB > > I am trying to c

[beagleboard] Re: BeagleBone Black clock mismatch without pullups

2019-01-16 Thread Graham
The standard external clock frequency source for the BeagleBone Black is 24 MHz. Is that what you are referring to? Are you protecting all the "Boot Pins", so that your "Custom Cape" is not overriding the boot programming resistors on the BBB? --- Graham On Wednesday, J

Re: [beagleboard] Re: BeagleBone Black clock mismatch without pullups

2019-01-16 Thread Graham
n the metal lid. Where did you get your Beagle? --- Graham == On Wed, Jan 16, 2019 at 4:33 PM pbft wrote: > Thanks. I'm not precisely sure of the terminology, but the BeagleBone > decides that the 'clocksource' is 24mHz. Its RTC will then gain *exactly* > two minutes ev

[beagleboard] Re: Porting application from BeagleBone Black to Pocket Beagle

2019-01-24 Thread Graham
trying to do, or what capabilities you planned to use, the answer has to be "maybe." If you don't need any of the missing capability, and you are ready to adjust for the differences in IO that is present, the answer is "probably." --- Graham == On Thursday, January 24,

[beagleboard] Re: Reconfigure LCD data pins

2019-01-28 Thread Graham
result of not successfully booting. --- Graham == On Monday, January 28, 2019 at 6:52:28 AM UTC-6, Serg Penshin wrote: > > Hi averyone, > Is it possible to change LCD data pins to another GPIO? The fact is that > my cape does not allow the Beaglebone Black to boot normally, because LCD

Re: [beagleboard] Using FTDI Pins with PRU Cape

2019-01-29 Thread graham
course, you need access to someone who knows how to solder. --- Graham == -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emai

Re: [beagleboard] GPIO Riding Edge Interrupt w/ Time Stamp

2019-01-30 Thread Graham
he BBB main cpu. So, depends on your need to trade off money versus your time. --- Graham == On Wednesday, January 30, 2019 at 3:05:23 PM UTC-6, Thomas Remmert wrote: > > Hi Robert, > Thanks for the quick reply. I am already using a custom overlay and > using the PPS/GPS tool

[beagleboard] Re: GPIO Riding Edge Interrupt w/ Time Stamp

2019-01-30 Thread Graham
nother kit called the "Pulse Puppy" from the same people that sell the TICC. --- Graham == > -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubsc

[beagleboard] Re: Question regarding Custom Board based on BeagleBone Blac

2019-02-01 Thread graham
olts power, you will need an external buck-converter or other step down power supply ahead of the TPS65217 to feed it 5 Volts. --- Graham == On Thursday, January 31, 2019 at 12:32:55 PM UTC-6, omair...@saikosystems.com wrote: > > > Hello Everyone, > > I tried to post this yesterd

[beagleboard] Re: How can I free-up the addresses 0x54-57 on I2C bus 2 on my Beaglebone Black ?

2019-02-13 Thread Graham
Search for the following two discussion topics on this forum: BBB without reserved I2C addresses (Apr 17 2017) Set up Cape's EEPROM i2c-2 BeagleBoneBlack Rev-C --- Graham On Wednesday, February 13, 2019 at 6:51:41 AM UTC-6, bruce...@yahoo.com wrote: > > How

[beagleboard] Re: On BBB - How to use I2C-1 ? It exists but maybe needs pins setup ? BBB Rev C & Debian 9

2019-02-18 Thread graham
I2C-1 is used for internal power management and on board EEPROM access purposes. Unless you have a specific need, I suggest you use I2C-2 for external control purposes. It is already pinned-out by default on P9-17 and P9-18 --- Graham == On Monday, February 18, 2019 at 1:22:57 PM UTC-6, bruce

Re: [beagleboard] Flashing a BBB with debian

2019-02-24 Thread graham
Run it from the plug in card? Plug in the size you need. Expand the installed image to make the whole card available to you. --- Graham == On Saturday, February 23, 2019 at 2:22:13 PM UTC-6, aa...@cnccraft.co.uk wrote: > > Yes you were right. I now finally have a debian jessie system

[beagleboard] Re: operating system on eMMc or on Sdcard

2019-02-28 Thread Graham
Very close. The Os itself is not what takes up all the space. The Os itself is less than 1 GB. Everything else is application software, and languages. There are three versions of the release package. The lxqt version is slightly less than 4 GB total, and should only be used if you want everythin

Re: [beagleboard] Re: operating system on eMMc or on Sdcard

2019-03-01 Thread Graham
If you want the "console version" corresponding to the "official release" version (Debian 9.5 10-7-2018), you can look here: https://debian.beagleboard.org/images/rcn-ee.net/rootfs/bb.org/testing/2018-10-07/stretch-console/ I don't know how official is it, but it work

[beagleboard] Beaglebone AI

2019-03-05 Thread Graham
https://beagleboard.org/ai Hmm. --- Graham == -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from i

[beagleboard] Re: How to use GPIO as spi chipselect.

2019-03-19 Thread graham
appropriate CS line when the SPI hardware is done sending. DO NOT send your last data to the SPI hardware and immediately raise the CS line. The SPI hardware is a parallel to serial device, and will still be sending data for some time after the data is written to it to send. --- Graham == On

[beagleboard] Re: gig ethernet

2019-03-20 Thread graham
Is that a POE switch? Or a POE port being used on the switch. That could make bad things happen. I run all my Beagles on a Cisco Gb managed switch without problems. Of course they negotiate back to 100 Mb. --- Graham == On Wednesday, March 20, 2019 at 4:04:15 PM UTC-5, Wulf Man wrote: > &g

[beagleboard] Re: [EXTERNAL] Re: Industrial Beagle Bone Black damages SD cards.

2019-04-09 Thread Graham
> I happened to run across this series of articles yesterday. > If you are wearing out the cards, due to frequent writes driven by logging, here is a way to reduce the write transactions. Although written for a similar sounding problems on a Raspberry Pi, the underlying solution was written fo

[beagleboard] Re: Pin 8_44 boot interference

2019-04-10 Thread Graham
goes high. --- Graham == On Wednesday, April 10, 2019 at 8:48:04 AM UTC-5, alanmt...@icloud.com wrote: > > > Hi All... > > I use pin 8_44 for digital input to the PRU. For those new to this issue, > that is one of several pins that can change the boot behavior of the BBB,

[beagleboard] Re: Pin 8_44 boot interference

2019-04-10 Thread graham
until System_Reset goes high. --- Graham == On Wednesday, April 10, 2019 at 8:48:04 AM UTC-5, alanmt...@icloud.com wrote: > > > Hi All... > > I use pin 8_44 for digital input to the PRU. For those new to this issue, > that is one of several pins that can change the boot b

[beagleboard] Re: Beagle Bone Pocket

2019-04-18 Thread Graham
Debian OS. There are Android and Ubuntu OS, available. No Windows. The Pocket Beagle is pinned out for use with "Click Boards". See: https://github.com/beagleboard/pocketbeagle/wiki/Click-boards%E2%84%A2 BeagleBone Capes will not mate with the Pocket Beagle connector system. --- Graham

[beagleboard] Re: Powering beaglebone black via P9 header pins

2019-04-24 Thread graham
blink does not tell you what is wrong, just that something is wrong, and the power management chip is still alive and doing its job. --- Graham == On Wednesday, April 24, 2019 at 3:31:04 PM UTC-5, robpar...@gmail.com wrote: > > Hi There, > > I have been working on a project using

[beagleboard] Re: Powering beaglebone black via P9 header pins

2019-04-30 Thread graham
operated within Voltage and current limits, and the inductive "kick" from your stepper motor is not getting back, somehow, into the BBB I/O. --- Graham == -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Goo

[beagleboard] Re: BeagleBone Blue: Hack to boot when DC power is restored to DC Jack?

2019-05-06 Thread graham
ut ten different ICs. Check out the MAX809 as an example They are generally cheap and small, and many require no support or glue parts other than a bypass cap, if their default Voltages and times work for you. --- Graham, > -- For more options, visit http://beagleboard.org/discuss --- Yo

[beagleboard] Re: Delay between SPI CS and clock

2019-06-17 Thread graham
simultaneously. CS is typically required, even with a single SPI slave on a bus, depending on how the specific SPI slave works. --- Graham On Monday, June 17, 2019 at 2:27:26 PM UTC-5, Dennis Lee Bieber wrote: > > > > A circuit with a single target could, in theory, have the

[beagleboard] Re: problem with writting os image on micro SD

2019-06-26 Thread graham
file to do what you are trying to do. Is Etcher providing any errors? If so, what does it say? If Etcher does not report any errors, do not reformat the card like Windows says, and just put the Etcher programmed card in the BBB and run it. --- Graham == On Wednesday, June 26, 2019 at 7:53

[beagleboard] Re: problem with writting os image on micro SD

2019-06-27 Thread graham
ower supply will cause it to hang during booting. How old is the version of software in the Flash memory on board the BBB? Will it boot from the on-board memory, without a uSD card installed? --- Graham == On Wednesday, June 26, 2019 at 7:48:04 PM UTC-5, z.mome...@gmail.com wrote: > > Thanks f

[beagleboard] Re: How to use peripherals of beagle bone black board

2019-07-04 Thread graham
I suggest you purchase: Exploring BeagleBone: Tools and Techniques for Building with Embedded Linux, 2nd Edition by Derek Molloy https://www.amazon.com/gp/product/B07MMVV65W/ Make sure you purchase the new "Second Edition", not the first. Derek's website, with videos on many topics about Linux a

Re: [beagleboard] Re: Beaglebone ADC

2019-07-06 Thread graham
Well, if both engines are running at the same power, then pitch. Add an engine failure, so one at max power, the other one a "drag". She is going to pitch, roll and yaw, all at the same time. Now, it is time for both the pilot and the programmer to earn their salary. --- Graham ==

[beagleboard] Re: Shouldn't be this difficult. upload file

2019-07-08 Thread graham
, you could put on a uSD card with a FAT file system and mount it in either a Windows computer or a Linux, moving the uSD card back and forth. Or put the files/data on a USB stick formatted with FAT file system, then move the USB stick back and forth. --- Graham == On Monday, July 8, 2019

Re: [beagleboard] C programing of Uart peripheral in beaglebone black (Linux)

2019-07-18 Thread graham
Linux has a universal UART driver built in called 'termios' Depending on what you are trying to do, this might work for you. https://en.wikibooks.org/wiki/Serial_Programming/termios http://tldp.org/HOWTO/Serial-Programming-HOWTO/x115.html --- Graham == On Thursday, July 18, 2019 at

[beagleboard] Re: Ethernet module in beagle bone black

2019-07-24 Thread graham
-tutorial.pdf --- Graham On Tuesday, July 23, 2019 at 11:14:21 PM UTC-5, Megha Bhirade wrote: > > Hi, > > I am using beagle bone black board in Linux ubuntu 16.04LTS, i need to > work on Ethernet . > > requirement is like enabling Ethernet between the Board and PC and i need > to s

Re: [beagleboard] Re: ENC28J60 Click on PocketBeagle

2019-08-03 Thread graham
to it, but you will need to build and program them yourself. --- Graham On Saturday, August 3, 2019 at 7:55:13 AM UTC-5, Jason Kridner wrote: > > > On Aug 2, 2019, at 10:50 PM, Steven Keller > wrote: > > Okay. Are there any other options for adding Ethernet on a carrier boar

Re: [beagleboard] Re: ENC28J60 Click on PocketBeagle

2019-08-04 Thread graham
https://github.com/phrogger/PocketBeagle_Ethernet_Cape https://oshpark.com/shared_projects/GOEnFXdS [image: PB_LAN9500A.jpg] --- Graham On Saturday, August 3, 2019 at 9:11:50 PM UTC-5, Jason Kridner wrote: > > > Do you have a pointer to the design files? > > > --

Re: [beagleboard] Re: ENC28J60 Click on PocketBeagle

2019-08-05 Thread Graham
f MAC addresses as a courtesy, but I have not done that. The normal process is to buy a block of MAC assignments from the IEEE which is the global coordinator. If you buy a large enough block, you get your own OUI. --- Graham == On Mon, Aug 5, 2019 at 3:21 PM Steven Keller wrote: > Graham,

Re: [beagleboard] Re: ENC28J60 Click on PocketBeagle

2019-08-05 Thread Graham
that you can get at them with a USB cable from the programming PC. If the PocketBeagle plugs into your carrier board, you could build a dummy USB connection board that temporarily replaced the PocketBeagle for Ethernet programming. --- Graham == On Mon, Aug 5, 2019 at 8:48 PM evilwulfie wrote

[beagleboard] Re: Pocket Beagle power question

2019-08-09 Thread graham
ering can occur. I suggest you read the email thread "PocketBeagles are Unstable" started 11/24/2017 --- Graham == On Friday, August 9, 2019 at 2:33:15 PM UTC-5, Robert Heller wrote: > > If I am applying a 5V power supply to the Vin pin (P1-1) of a Pocket > Beagle > (

Re: [beagleboard] Pocket Beagle power question

2019-08-12 Thread graham
. See thread: "BBB intermittently rebooting." Started 7/17/2015. --- Graham == On Monday, August 12, 2019 at 3:49:47 AM UTC-5, Dave wrote: > > Is there more information on this problem ? > > I am working on an OSD335x board that is similar to a PB or a BBBW - it > has eMM

[beagleboard] Re: Question about I2C Bus Recovery

2019-08-14 Thread graham
. Slow down the I2C clock and see if the symptoms change. --- Graham == On Tuesday, August 13, 2019 at 11:14:47 AM UTC-5, harriso...@gmail.com wrote: > > Hello all, > > I have a quick question about the I2C bus on the Beaglebone Black. > > I have built a system with a numbe

[beagleboard] Re: Storing and updating global variables for use between power cycles

2019-11-16 Thread graham
Also note that the eMMC is a device whose life is limited by the number of writes. If this is something that is intended to operate for multiple years, then you will need to limit the number of writes to the eMMC to the minimum necessary. If you really need a lot of realtime write updates, you

[beagleboard] Colorizing ls, .bashrc

2019-11-17 Thread graham
does not seem to be used. So, what has changed? A little Googling did not reveal anything. Is there somewhere else where the dir and ls options are supposed to be set? --- Graham == -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subs

[beagleboard] Re: Colorizing ls, .bashrc

2019-11-17 Thread graham
quot;.bashrc" and a valid ".profile" file to the debian home directory. --- Graham == On Sunday, November 17, 2019 at 7:33:49 PM UTC-6, Graham Haddock wrote: > > I just updated a BeagleBone Black from the October 2018 9.5 IoT release to > the August, 2019 9.9 IoT release. > &

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