Add support for updating sketches from an SD card #203

sandeepmistry · 2017-01-16T16:46:06Z

Via 2nd stage boot code that checks SD card for UPDATE.bin.

Also, added tool info to platform.txt to update sketches via HTTP outside the core for later.

tuxedo0801 · 2017-01-16T18:51:02Z

Is there some kind of documentation on how to use this? Just copy the update.bin to sd-card and reboot arduino zero with the ota sketch?

Would this be possible with SPI flash as well? Is there some special boot-loader required?

[update]
I see, it's not just a sketch, i's a kind of "addon" to the boot-loader?!
A short documentation on how to use this (step-by-step procedure) would be great. Waiting for this soooo long (but want to use SPI flash instead of SD ...)

facchinm · 2017-01-17T13:44:07Z

variants/arduino_zero/linker_scripts/gcc/flash_with_bootloader.ld

@@ -67,6 +67,9 @@ SECTIONS
 	{
 		__text_start__ = .;

+		KEEP(*(.ota_boot))
+
+		. = ALIGN(256);


I'd align the .ota_boot section to either 0x2000 or 0x4000 to make sure that the reset vector does not get relocated to something different than 0x6000 if the 2nd stage bootloader becomes slightly smaller

I'll change it to 0x2000.

Maybe we can have a clearer name for this section second_stage, second_stage_boot or sketch_boot?

tuxedo0801 · 2017-01-19T14:01:58Z

ping

ArduinoBot · 2017-01-19T15:21:34Z

✅ Build completed.

⬇️ Build URL: http://downloads.arduino.cc/PR/samd/package_samd-b137_index.json

ℹ️ To test this build:

Open the Preferences of the Arduino IDE.
Add the Build URL above in the Additional Boards Manager URLs field, and click OK.
Open the Boards Manager (menu Tools->Board->Board Manager...)
Install Arduino SAMD core - Pull Request Add support for updating sketches from an SD card #203
Select one of the boards under SAMD Pull Request Add support for updating sketches from an SD card #203 in Tools->Board menu
Compile/Upload as usual

cmaglie · 2017-01-19T15:21:40Z

@tuxedo0801
you must patient a bit, this is still experimental, we'll provide documentation once ready.

tuxedo0801 · 2017-01-19T15:33:19Z

@cmaglie thanks for first feedback.
I don't want the complete documentation. Just let me know if this would be tied to sd cards or if it will be possible with SPI flash as well (or maybe it's up to the user?!).

That would help me continuing my development into the right direction...

cmaglie · 2017-01-19T15:58:09Z

For now it's SD card only.

dlabun · 2017-01-19T17:53:37Z

Out of curiosity, is this going to replace the default boot loader or run in tandem with it?

sandeepmistry · 2017-01-19T18:03:10Z

@dlabun good question! It will run in tandem.

tuxedo0801 · 2017-01-20T08:31:10Z

To give you an insight in why I want to use SPI flash instead of SD card:

I'm developing small devices for KNX home automation bus. The devices are totally bus-powered. And the KNX transceiver chip allows max ~50mA to be drawn from KNX bus. So it's very low power.

SD cards consume too much energy to be powered from KNX bus. SPI flash consumes almost nothing, compared to SD card. And even micro-sd card socket is much bigger than a small SPI flash package... Size matters ;-)

As the SPI flash is not pluggable like SD card, the new sketch is received directly from KNX bus. So updating a device is just a simple click on the control-application on a PC that is also connected to bus. File is transferred over bus and stored into SPI flash.

I guess there are more people out there that wand to read the firmware from somewhere else than a pluggable SD card (get via ethernet, wifi, some radio module, power line, ... whatever and stored on any storage).

I would be glad if you foresee a user-friendly mechanism that allows the sketch-writer to speficy an own storage mechanism to read the update from, that don't requires fiddling with core classes and modifying the samd core.

Beside my whishes: Tumbs up for this new feature... Keep up the good work.

deladriere · 2017-01-31T06:47:33Z

what CS pin are you using ? (mine is pin 10)

I can't have the bootloader to boot from the SD
Here is what I did

installed as instructed
burned the bootloader with Atmel SAM-ICE programmer
compiled Blink example and renamed the .bin to UPDATE.bin
copied the UPDATE.bin to sd
reseted the board

but it stays in booloader mode with the led glowing
Am i missing something ?

deladriere · 2017-02-11T17:29:12Z

Sorry to insist : I can't figure how to get started
thanks !

Via 2nd stage boot code that checks SD card for UPDATE.bin

ArduinoBot · 2017-02-15T20:33:36Z

✅ Build completed.

⬇️ Build URL: http://downloads.arduino.cc/PR/samd/package_samd-b142_index.json

ℹ️ To test this build:

Open the Preferences of the Arduino IDE.
Add the Build URL above in the Additional Boards Manager URLs field, and click OK.
Open the Boards Manager (menu Tools->Board->Board Manager...)
Install Arduino SAMD core - Pull Request Add support for updating sketches from an SD card #203
Select one of the boards under SAMD Pull Request Add support for updating sketches from an SD card #203 in Tools->Board menu
Compile/Upload as usual

ArduinoBot · 2017-02-28T23:18:42Z

✅ Build completed.

⬇️ Build URL: http://downloads.arduino.cc/PR/samd/package_samd-b143_index.json

ℹ️ To test this build:

Open the Preferences of the Arduino IDE.
Add the Build URL above in the Additional Boards Manager URLs field, and click OK.
Open the Boards Manager (menu Tools->Board->Board Manager...)
Install Arduino SAMD core - Pull Request Add support for updating sketches from an SD card #203
Select one of the boards under SAMD Pull Request Add support for updating sketches from an SD card #203 in Tools->Board menu
Compile/Upload as usual

deladriere · 2017-03-01T06:43:37Z

Where do you set the CS pin to use ?
No need to install a special Bootloader ?
I installed b-143 as instructed buy cannot compile any sketch (Board arduino_zero_edbg (platform samd, package arduino-beta) is unknown)

ArduinoBot · 2017-03-01T14:13:27Z

✅ Build completed.

⬇️ Build URL: http://downloads.arduino.cc/PR/samd/package_samd-b144_index.json

ℹ️ To test this build:

Open the Preferences of the Arduino IDE.
Add the Build URL above in the Additional Boards Manager URLs field, and click OK.
Open the Boards Manager (menu Tools->Board->Board Manager...)
Install Arduino SAMD core - Pull Request Add support for updating sketches from an SD card #203
Select one of the boards under SAMD Pull Request Add support for updating sketches from an SD card #203 in Tools->Board menu
Compile/Upload as usual

agdl · 2017-03-02T11:30:09Z

Tested. LGTM

deladriere · 2017-03-02T11:38:26Z

@agdl How do you set the CS pin ?

tuxedo0801 · 2017-03-23T14:12:26Z

@cmaglie

you must patient a bit, this is still experimental, we'll provide documentation once ready.

It has been merged into master about three weeks ago. So it's ready now?

Questions so far:

How do I enable this feature? Just include the "SDU" lib in my sketch?
Is it possible to use alternative pins for accessing sd-card? If yes, how?
Is it somehow foreseen to easily use an alternative "SDUBoot.ino" implementation? (like using an SPI flash chip instead of a SD card)

tuxedo0801 · 2017-03-24T06:44:44Z

For anyone searching the same information: #220

sandeepmistry force-pushed the ota branch from adac05e to 2b38eb3 Compare January 16, 2017 18:30

facchinm requested changes Jan 17, 2017

View reviewed changes

sandeepmistry force-pushed the ota branch from 02b9ee0 to 6fe38a5 Compare January 18, 2017 14:15

facchinm approved these changes Feb 8, 2017

View reviewed changes

sandeepmistry added 2 commits February 15, 2017 15:31

Add support for updating sketches from an SD card

a15d190

Via 2nd stage boot code that checks SD card for UPDATE.bin

Remove SDUClass and SDU instance

1616917

sandeepmistry force-pushed the ota branch from cd19646 to 1616917 Compare February 15, 2017 20:31

Add auth parameters

120d85f

Use latest arduinoOTA

a82712a

agdl merged commit 91bee1d into arduino:master Mar 2, 2017

tuxedo0801 mentioned this pull request Mar 24, 2017

Add SDU usage example #220

Merged

cmaglie deleted the ota branch July 11, 2017 12:41

cmaglie added this to the Release 1.6.19 milestone Jul 11, 2018

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Add support for updating sketches from an SD card #203

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