Latest threads in Embedded Programmingshow only best voted threads
| Subject | Author | Posted | Replies | |
|---|---|---|---|---|
|
|
I2C Communication between two Microcontrollers
I want to test the I2C protocol between two STM32 (STM32L152RC) microcontrollers. Can somebody guide me on how to do it or suggest tutorials? I have seen some online portals where they are...
14
|
8 months ago
|
14 | |
|
|
Ftn I/Os documentation best practices
I add a boilerplate to each function definition that declares constraints on inputs, expectations of outputs, performance issues, etc. I use this to add invariants to the code to detect/enforce these...
11
|
9 months ago
|
11 | |
|
|
Cortex-Mx MCUs with SWD access locked
I know it's a very specific question, so I don't have many hopes to find a solution here, but I already tried everything and I don't know how to solve the issue I have that is very annoying. I have...
25
|
9 months ago
|
25 | |
|
|
4-bit MCUs
Wow! This group seems to have all but died. It used to be very vibrant. I'm trying to determine how prevalent 4-bit MCUs are in the world. I know lots of products have used 4-bit devices in the past,...
10
|
9 months ago
|
10 | |
|
|
4 Bit MCUs, Still Alive and Kicking?
I'm not sure which group it was in, but someone who designs toys talked abo ut the extremes they would go to for cost reduction, removing useful, but n ot essential resistors because they were $0.001...
28
|
9 months ago
|
28 | |
|
|
OT: plug and pray webcam on windows xp
Moments ago I posted this only to SED, then remembered the chances someone could help here are perhaps higher (unless the groups overlapp completely nowadays....). Anyway, separate post but same, here...
2
|
9 months ago
|
2 | |
|
|
eMMC CSD Register ECC field
Anyone here knowledgeable about eMMC memory? I have a high reliability application where there is concern about memory corruption. What would happen if I changed the ECC field in the eMMC's Card...
1
|
11 months ago
|
1 | |
|
|
MCU reset and internal SRAM starting values
I often use with success a simple way to implement a bootloader: #define START_MAGIC 0xAA55AA55 uint32_t start_application __attribute__((section=".noinit")); void main(void) { ... if...
2
|
11 months ago
|
2 | |
|
|
USART interrupt on transmission
The UART/USART peripheral usually available in many microcontrollers triggers a few interrupts. Two of them are DRE (data register empty, as named in AVR documentation) and TXC (transmitter complete)....
4
|
1 year ago
|
4 | |
|
|
gcc: NOLOAD and .noinit
I usually don't touch linker script of my development system, sincerely I can't read every details of a linker script, so I'm in trouble now. As explained in my previous post, I need to avoid zeroing...
7
|
1 year ago
|
7 | |
|
|
gcc ld and bss sections on SDRAM
My platform is LPC546xx, Cortex-M4 by NXP, and the build environment is based on GCC ARM toolchain (MCUXpresso IDE). However the question is generic. The default linker script instructs linker to put...
4
|
1 year ago
|
4 | |
|
|
ds18B20
I am using several ds18b20 for projects, but every now an then some give What is causing this, is there a way to prevent this? Other question: Is there a way to connect ( and use) a DS18B20 (or other...
1
|
1 year ago
|
1 | |
|
|
gerber outline
's quote section took a gerber .zip file (generated by Eagle version 3.5) and said it couldn't find the board outline. It showed a few other problems too which have been fixed, thanks to several...
2
|
1 year ago
|
2 | |
|
|
WiFi module
I need to develop a custom board with WiFi connectivity and a UART(RS485). The UART will be connected to a proprietary device with a proprietary protocol, no problem on this. The board should connect...
10
|
1 year ago
|
10 | |
|
|
Recommendation: Cheap (free!) IoT cloud service
I'm setting up a household water-tank level sensor that I'd like to be able to monitor from (practically) anywhere to a mobile device or remote PCusin g the above-mentioned ESP8266-based setup. The...
11
|
1 year ago
|
11 |