STM32 MCUs Embedded software

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Resolved! HOW TO READ UART FROM PZEM 004T

I need help with using pzem 004t in stm32f405 with uart communication. i have check this source willyvamp/STM32F103C8T6-PZEM004T-DHT11: HAL STM32 (github.com) but still dont get the data form uart. please help

BAl K.1 by Associate III
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usart DMA interrupt faster than buffer update

Hi All,I use DMA IDLE Idle line and circular mode to receive usart buffer, and process data in rtos,but when I get an Idle event, sometimes RTOS read buffer will get some empty data, but wait a little bit times, the buffer will be updated, so when I ...

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CTing.1 by Associate II
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usart interrupts vs freertos polling

My application has a low priority usart receive function - meaning that if characters are delayed it's no big deal. I've been using interrupts with a callback receiving one character at at time with a read always outstanding. I process flags and b...

I have a Lwip problem with SSI module.

The problem with the insert of the SSI tag, it is can insert only 920 characters but I need in 5 times more!If I change the "Lwip_httpd_max_tag_insert_len" It does not give an effect!Could someone tell me what is wrong?

DK.7 by Senior
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STM32F7: ETH TCP checksum offload fails

Hello,ST's and all Ethernet experts, please.STM32F767, Nucleo-144, and custom boardno OS lwIP 2.1.3, IPv4 onlySTM32CubeIDEno ETH interrupts usedApplication: Industrial frontend, streaming "audio" data from SAIs via ethernet,at high data rates, for lo...

LCE by Principal
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  • 29 replies
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