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KSchr.11
Associate II
since ‎2020-02-22
‎2023-06-14

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  • 19 Posts
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How do I configure MCU as an I2C slave device?

2020-07-31
Remark : I am asking this question again, since even after trying multiple times on my own, and asking on other platforms, nobody has answered it yet. I can't figure out how am I supposed to configure as slave. So sorry for that. I am not able to del...

How do I configure MCU as I2C slave device?

2020-07-12
I've been trying to set up MCU (STM32 L432KC) as an I2C slave device. I have previously tested it as a master device to interface with a port expander(MCP2307) and it works perfectly fine.The following is the code I am running. The master sends 1,2,3...

Failing to receive data on MCU set up as SPI slave

2020-06-21
Trying to receive data on MCU (L432KC) configured as SPI slave. I have tried using interrupt and DMA, but no luck. I have set up the circuit like this : 1 MCU acts as master sending 1,2,3 every 500ms interval (I hooked up master lines to scope and th...

Trying to figure out I2C TIMING register

2020-06-16
I am trying to implement I2C communication with L432KC (bare metal coding) to interface peripherals like port expander, eeprom. But I am having a hard time figuring out the TIMING register. I have several questions:tPRESC = (PRESC+1) x tI2CCLKThis is...

SPI full duplex not working, but MOSI and MISO lines work fine individually. How do I fix this?

2020-04-07
Pardon me for asking repeated questions on SPI, but it's giving me a lot of issues. So far I have configured two STM32 boards as master and slave, and ran code for MOSI and MISO lines individually which seemed to work fine. Now that I combine those c...
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