[Ovmsdev] OVMS v3.3 hardware
Michael Balzer
dexter at expeedo.de
Tue Oct 12 20:45:59 HKT 2021
> Michael should be very happy with that @ESP32D0WDQ5 (revision 3).
I am indeed :-)
Regards,
Michael
Am 12.10.21 um 13:38 schrieb Mark Webb-Johnson:
> First ‘final’ v3.3 sample received (the one that also went to the
> certification lab):
>
> rst:0xc (SW_CPU_RESET),boot:0x1b (SPI_FAST_FLASH_BOOT)
> configsip: 0, SPIWP:0xee
> clk_drv:0x00,q_drv:0x00,d_drv:0x00,cs0_drv:0x00,hd_drv:0x00,wp_drv:0x00
> mode:DIO, clock div:2
> load:0x3fff0018,len:4
> load:0x3fff001c,len:4796
> load:0x40078000,len:0
> load:0x40078000,len:14896
> entry 0x40078d74
> I (1062) psram: This chip is ESP32-D0WD
> I (1062) spiram: Found 64MBit SPI RAM device
> I (1062) spiram: SPI RAM mode: flash 40m sram 40m
> I (1065) spiram: PSRAM initialized, cache is in low/high (2-core)
> mode.
> I (1072) cpu_start: Pro cpu up.
> I (1076) cpu_start: Application information:
> I (1081) cpu_start: Project name: ovms3
> I (1086) cpu_start: App version: 3.2.016-393-g07db2f8d
> I (1092) cpu_start: Compile time: Sep 16 2021 21:09:48
> I (1099) cpu_start: ELF file SHA256: 8aa1db50ae1ea15d...
> I (1105) cpu_start: ESP-IDF: v3.3.4-848-g1ff5e24b1
> I (1111) cpu_start: Starting app cpu, entry point is 0x40081720
> I (1103) cpu_start: App cpu up.
> I (1989) spiram: SPI SRAM memory test OK
> I (1989) heap_init: Initializing. RAM available for dynamic
> allocation:
> I (1989) heap_init: At 3FFAE6E0 len 00001920 (6 KiB): DRAM
> I (1996) heap_init: At 3FFBE250 len 00021DB0 (135 KiB): DRAM
> I (2002) heap_init: At 3FFE0440 len 00003AE0 (14 KiB): D/IRAM
> I (2008) heap_init: At 3FFE4350 len 0001BCB0 (111 KiB): D/IRAM
> I (2015) heap_init: At 4009D5A4 len 00002A5C (10 KiB): IRAM
> I (2021) cpu_start: Pro cpu start user code
> I (2026) spiram: Adding pool of 4096K of external SPI memory to
> heap allocator
> ...
> Welcome to the Open Vehicle Monitoring System (OVMS) - Async Console
> Firmware: 3.2.016-393-g07db2f8d/factory/main
> Hardware: OVMS WIFI BLE BT cores=2 rev=ESP32/3
> ...
> OVMS# module memory
> Free 8-bit 103580/273840, 32-bit 6440/10796, SPIRAM 3460832/4194252
> ...
> Module
> Version: 3.2.016-393-g07db2f8d/factory/main (build idf
> v3.3.4-848-g1ff5e24b1 Sep 16 2021 21:12:48)
> Hardware: OVMS WIFI BLE BT cores=2 rev=ESP32/3
>
> $ esptool.py --port /dev/tty.usbserial-0001 --baud 115200 chip_id
> esptool.py v2.8
> Serial port /dev/tty.usbserial-0001
> Connecting....
> Detecting chip type... ESP32
> Chip is ESP32D0WDQ5 (revision 3)
> Features: WiFi, BT, Dual Core, 240MHz, VRef calibration in efuse,
> Coding Scheme None
> Crystal is 40MHz
>
>
> Michael should be very happy with that @ESP32D0WDQ5 (revision 3).
>
> I’m working through the other tests now, but so far so good.
>
> Regards, Mar.
>
>> On 14 Sep 2021, at 3:01 PM, Mark Webb-Johnson <mark at webb-johnson.net
>> <mailto:mark at webb-johnson.net>> wrote:
>>
>> Progress update…
>>
>> I’ve completed the basic support for plugin modem drivers and SIM7600
>> in the for-v3.3 branch, and it seems stable on my bench and car
>> (although I never saw many problems before with this). I would still
>> appreciate it if others could test and feedback any crashes they get.
>> You can get the update OTA from api.openvehicles.com
>> <http://api.openvehicles.com/> by setting tag ‘pre’.
>>
>> We’ve also completed the testing of the hardware. The DTR low-power
>> control option seems to be working well (but will require firmware
>> support later). The ‘final’ list of hardware changes are as follows:
>>
>> * Main Board:
>> o Silkscreen label “OVMS V3.3” (with date of production batch)
>> o Change to improved internal antenna cables for GSM and GPS
>> o Strengthen soldering on micro USB connector
>> o Strengthen soldering on power supply capacitors
>> o WROVER module to use revision 3 ESP32
>> o Add 0.1uF capacitor to 12v measuring voltage divider ADC
>> input
>> (https://docs.espressif.com/projects/esp-idf/en/latest/esp32/api-reference/peripherals/adc.html#minimizing-noise
>> <https://docs.espressif.com/projects/esp-idf/en/latest/esp32/api-reference/peripherals/adc.html#minimizing-noise>)
>>
>> * Modem Board:
>> o Silkscreen label “OVMS MDM V3.3” (with date of production batch)
>> o Add support for SIM7600 module
>> o Fixed DTR support
>> o Improve/check voltage regulator and capacitor protection
>> o Reduce brightness of blue LED by at least 50%
>> o Airplane mode pin fix (working ok now, but safer to pull
>> up/down properly)
>> o Confirm PWRKEY circuit tuning
>>
>> * Enclosure
>> o Product label - just one label with CE and FCC certification
>> for global use
>>
>>
>> We are now producing a few final samples of the above to go to the
>> certification labs for CE, FCC, and ROHS testing later this month. We
>> hope that certification will take 6 to 8 weeks and be complete around
>> the end of November. Once that is done, we should be able to go to
>> full production in time for Christmas. Pricing will be confirmed
>> early December, but likely more expensive than v3.2 due to the extra
>> cost for SIM7600G and certification fees.
>>
>> Stock of existing SIM5360 modules are as follows:
>>
>> * EU kits; in stock at open energy monitor (but selling out fast
>> and likely to be unavailable soon).
>> * US kits; in stock at Medlock, Fasttech, and Open Vehicles (HK).
>>
>>
>> Regards, Mark
>>
>>> On 30 Aug 2021, at 2:03 PM, Mark Webb-Johnson <mark at webb-johnson.net
>>> <mailto:mark at webb-johnson.net>> wrote:
>>>
>>> I now have two prototypes of the 4G modem using SIM7600G R2 chip for
>>> OVMS v3.
>>>
>>> One is for my own work, but willing to send the other free to a
>>> volunteer developer willing to spend time working with me to develop
>>> and test this new option. Obviously looking for someone who has
>>> spent some time on the OVMS code base, with a good history of
>>> contributions to the project and a willingness to work on improving
>>> the cellular modem driver.
>>>
>>> Any volunteers? Please eMail me directly (mark at openvehicles.com
>>> <mailto:mark at openvehicles.com>).
>>>
>>> Regards, Mark.
>>>
>>> <IMG_9926.png>
>>>
>>>> On 17 Aug 2021, at 1:30 PM, Mark Webb-Johnson
>>>> <mark at webb-johnson.net <mailto:mark at webb-johnson.net>> wrote:
>>>>
>>>> For the 4G modem options we need to go through FCC, CE, and ROHS
>>>> certification. Minimising/eliminating the changes to the main board
>>>> simplifies this (and brings down the exorbitant costs) but if there
>>>> is anything urgent / necessary, now is the time to do it.
>>>>
>>>> The goal here is to maintain 100% compatibility with existing OVMS
>>>> main boards, to keep this is a simple and relatively cheap upgrade
>>>> of the modem board.
>>>>
>>>> So far, I have come up with this minimal list:
>>>>
>>>> 1. Main board v3.3: Improve soldering of micro USB port. Bigger
>>>> solder pads, and more solder to secure it better.
>>>>
>>>> 2. Modem board v1.3: Add support for SIM7600 module.
>>>>
>>>> 3. Modem board v1.3: Fix support for DTR sleep/awake support.
>>>>
>>>>
>>>> Is there anything else required for this update?
>>>>
>>>> Regards, Mark.
>>>>
>>>> _______________________________________________
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>>>> http://lists.openvehicles.com/mailman/listinfo/ovmsdev
>>>> <http://lists.openvehicles.com/mailman/listinfo/ovmsdev>
>>>
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>>
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>
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--
Michael Balzer * Helkenberger Weg 9 * D-58256 Ennepetal
Fon 02333 / 833 5735 * Handy 0176 / 206 989 26
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