Search found 29 matches

by hydrabus
Fri Oct 13, 2017 5:47 pm
Forum: General Discussion
Topic: What would you like to see in The Next Chip?
Replies: 112
Views: 8144

Re: What would you like to see in The Next Chip?

Something amazing for a high end high performance version of a future ESP32 v2 will be mainly To support natively eMCP to have both Mobile DRAM(LPDDR2 or LPDDR3) + eMMC Flash directly on top of the die (to be soldered ...) like that on bottom of the die we will have x GPIO/Peripherals ... so it will...
by hydrabus
Mon Sep 25, 2017 8:37 pm
Forum: General Discussion
Topic: What would you like to see in The Next Chip?
Replies: 112
Views: 8144

Re: What would you like to see in The Next Chip?

Hardware & software protections against (mainly during the secure boot computations/checks...): ⋅  Clock Glitch Attacks ⋅  Power Glitch Attacks ⋅  SCA (Side Channel Attacks) ⋅  FA (Fault Attacks) ⋅  DFA (Differential Fault Analysis) More details ...
by hydrabus
Sun Jul 02, 2017 3:19 pm
Forum: ESP32 HDK
Topic: Which ESP32 module would you recommend for power measurement?
Replies: 2
Views: 646

Re: Which ESP32 module would you recommend for power measurement?

I would recommend HydraESP32v1.1 Rev1.0 (with ESP-WROOM-32) see link here https://hydrabus.com/2016/11/16/hydraesp32-with-esp-32s-v1_1_rev1-is-alive/ ⋅  It is heavily recommended to solder also the big GND (on center) of the ESP-WROOM-32 for heat dissipation in case you use everything Wifi...
by hydrabus
Wed Nov 16, 2016 7:42 pm
Forum: ESP32 HDK
Topic: HydraBus Shield / Breakout board for ESP-WROOM-32 new version 1.1(rev1.0)
Replies: 1
Views: 943

Re: HydraBus Shield / Breakout board for ESP-WROOM-32 new version 1.1(rev1.0)

HydraESP32 HydraBus v1.0 Shield for ESP-WROOM-32 V1.1 Rev1.0 is alive https://hydrabus.com/wp-content/uploads/2016/11/HydraBus__Shield_ESP_WROOM_32_v1_1_Rev1_ESP-32S_final.jpg This new version allow to measure ESP32 power consumption (and/or manage power ON/OFF of ESP32 with any MCU…) This version c...
by hydrabus
Mon Oct 31, 2016 11:23 pm
Forum: ESP32 SDK
Topic: lwip http server, can't read from socket
Replies: 11
Views: 3467

Re: lwip http server, can't read from socket

Neil, we have an automated test suite which has two parts: ⋅  Compilation tests, build system tests, and a few unit tests which can run on the PC. Run for every commit, takes ~5 minutes to run. ⋅  Integration tests which involve real esp32 devices connected to a PC. Run for each...
by hydrabus
Sat Oct 29, 2016 9:34 am
Forum: ESP32 SDK
Topic: How to debug ESP32 with JTAG / OpenOCD / GDB 1st part connect the hardware
Replies: 0
Views: 1810

How to debug ESP32 with JTAG / OpenOCD / GDB 1st part connect the hardware

This 1st part is mainly how to connect FTDI C232HM DDHSL-0 to ESP32 DevKitC (also called ESP32-CoreBoard V2) https://hydrabus.com/wp-content/uploads/2016/10/esp32-devkitc_with_FTDI_C232HM_DDHSL-0_JTAG_Debug.jpg For more details on JTAG /GDB /ESP32 OpenOCD see https://github.com/espressif/esp-idf/blo...
by hydrabus
Wed Oct 26, 2016 12:11 pm
Forum: ESP32 HDK
Topic: HydraBus Shield / Breakout board for ESP-WROOM-32 new version 1.1(rev1.0)
Replies: 1
Views: 943

HydraBus Shield / Breakout board for ESP-WROOM-32 new version 1.1(rev1.0)

This shield can be used with or without HydraBus board, you can even cut HydraBus specific right side (on the line) to have a tiny ESP-WROOM-32 breakout board. https://644db4de3505c40a0444-327723bce298e3ff5813fb42baeefbaa.ssl.cf1.rackcdn.com/55026ca8fe2840843aafa3db5696e0f5.png https://644db4de3505c...
by hydrabus
Mon Oct 24, 2016 10:09 pm
Forum: ESP32 SDK
Topic: [Answered] How to build a subset of the possible components in ESP-IDF?
Replies: 6
Views: 2192

Re: How to build a subset of the possible components in ESP-IDF?

Yes such feature will be great to speed up build time. It will be very interesting to also check other compiler option a bit like on ARM CortexMx with GCC 4.8 or more with LTO option (-flto) which heavily reduce final bin/elf size (elimination of unused functions) and also optimize speed. As for exa...
by hydrabus
Mon Oct 24, 2016 9:08 pm
Forum: ESP32 SDK
Topic: [Answered] Assembler language reference manual ...
Replies: 12
Views: 7222

Re: Assembler language reference manual ...

ESP_igrr wrote:
hydrabus wrote:Could you share your plugin ?
My email is bvernoux at hydrabus.com


I've sent you an email.

Thanks for all I have replied to your Email
by hydrabus
Sat Oct 22, 2016 8:57 pm
Forum: ESP32 SDK
Topic: [Answered] Assembler language reference manual ...
Replies: 12
Views: 7222

Re: Assembler language reference manual ...

1) A way to Count Leading Zeros of a 32bits unsigned integer Does such feature exist on ESP32 CPU ? Yes, using NSAU instruction. Compiler will generate it if you use GCC __builtin_clz() intrinsic. Thanks for the hint and the fact it support asm instruction for that I will test it later to check it ...