Interesting review of $1 microcontrollers

Started by Dave Nadler in comp.arch.embedded15 hours ago 1 reply

You guys seen this? https://jaycarlson.net/microcontrollers/ Projects we're working on benefit from slightly more expensive microcontrollers,...

You guys seen this? https://jaycarlson.net/microcontrollers/ Projects we're working on benefit from slightly more expensive microcontrollers, but interesting stuff nonetheless...


Embedded Ethernet

Started by pozz in comp.arch.embedded4 days ago 38 replies

There are many MCUs with embedded Ethernet (MAC). It seems most of the open-source examples are lwip-based. I have to design a board with one...

There are many MCUs with embedded Ethernet (MAC). It seems most of the open-source examples are lwip-based. I have to design a board with one RS485 port and one Ethernet port. It could be seen as a serial-to-Ethernet converter, where the protocol on RS485 is proprietary. On Ethernet side I will contact a server (cloud) with a protocol that must be defined. At the moment, I don't need...


SNMP

Started by "S S...@gmail.com [rabbit-semi]" in Rabbit-Semi6 days ago 1 reply

i will read a value from a device through SNMP. How can I read its value based on OID? Thanks Stev

i will read a value from a device through SNMP. How can I read its value based on OID? Thanks Stev


Hardware Diagram for Speaker

Started by "sha...@yahoo.com [68HC12]" in 68HC121 week ago 1 reply

Any help is appreciated

Any help is appreciated


Uploads - What is wrong with Easynews

Started by Anonymous in comp.arch.embedded2 weeks ago

Looking for Star Trek Discovery season 1 Episodes 6 onwards in english. Why does it seem there are no posts any more ??? --- This email has...

Looking for Star Trek Discovery season 1 Episodes 6 onwards in english. Why does it seem there are no posts any more ??? --- This email has been checked for viruses by AVG. http://www.avg.com


CfP 23rd Conf. Reliable Software Technologies, Ada-Europe 2018

Started by Dirk Craeynest in comp.arch.embedded2 weeks ago

----------------------------------------------------------------------- Call for Papers 23rd...

----------------------------------------------------------------------- Call for Papers 23rd International Conference on Reliable Software Technologies - Ada-Europe 2018 18-22 June 2018, Lisbon, Portugal http://www.ada-europe.org/conference2018 Organized by U.Lisboa on behalf...


Position independent code with fixed data and bss

Started by Christopher Collins in comp.arch.embedded3 weeks ago 20 replies

MCU: STM32F4 (ARM Cortex M4) Build environment: arm-none-eabi-gcc 4.8.4 20140725 My goal is to build an image that can be run from any...

MCU: STM32F4 (ARM Cortex M4) Build environment: arm-none-eabi-gcc 4.8.4 20140725 My goal is to build an image that can be run from any properly-aligned offset in internal flash (i.e., position-independent). I found the following set of gcc flags that achieves this goal: # Generate position independent code. -fPIC # Access bss via the GOT. -mno-pic-data-is-text-relati...


Web page link to the extended IP port

Started by "kar...@yahoo.com [rabbit-semi]" in Rabbit-Semi4 weeks ago 7 replies

Hi, I would like to RCM37xxx device connect to the camera page through the web page as follows HTML syntax: Go to the IP-CAM page But...

Hi, I would like to RCM37xxx device connect to the camera page through the web page as follows HTML syntax: Go to the IP-CAM page But browser is only shown http://localhost:1234/ http://localhost:1234/, not http://218.161.47.233:1234/ http://218.161.47.233:1234/ However, this localhost name must apply to any one of the real IP, my IP-CAM address is ht


Getting i2c touchscreen to work on TS4900

Started by Anonymous in comp.arch.embedded4 weeks ago

Hey everyone, I've been working on a project that's using a Technologic Systems TS4900 module as its core. For peripherals we've got two USB...

Hey everyone, I've been working on a project that's using a Technologic Systems TS4900 module as its core. For peripherals we've got two USB ports, ethernet, + sound and touchscreen. The board is running Debian jessie with The part I've been toiling away at is the touchscreen, which is a Newhaven NHD-7.0-800480EF-ASXV#-CTP. My first problem was finding a kernel driver and devi


How to get a headless Apache server to join a wireless network

Started by John Speth in comp.arch.embedded4 weeks ago 15 replies

Hi- My request takes me way outside my knowledge area so please pardon my poor vocabulary. I'm working on a headless wireless Apache...

Hi- My request takes me way outside my knowledge area so please pardon my poor vocabulary. I'm working on a headless wireless Apache server device (no mouse, keyboard, or display). I need a way to externally make it join a network. Externally means some software entity that does not initiate the connection process from within the device. That software entity could be a phone or ...


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