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Issue with reading i2c eeprom memory with Nucleo-F446

Hello all .  I have been working for days to make nucleo f446re reads i2c eeprom .  The i2c eeprom am trying to read uses 0x78 address as the slave address .  I tried use the Nucleo-64 f446re with stm32 cube ide using IsDeviceReady in hal i2c . And i...

adelsaeed by Associate II
  • 1341 Views
  • 4 replies
  • 3 kudos

Resolved! SPI communication with 3 wire display

Hi community,I have a display, which has only CLK, DI and CS pin for SPI communication. It uses TI protocol.The original driver is only working with raspberry pi, I try to import it into my custom STM32 MCU board, the CLK and CS signals seem okay,  O...

Danny0007_1-1708464524960.png Danny0007_2-1708464622941.png

Resolved! Writing data to STM32G4 Flash

Sorry, my first time programming an STM32.  I have a bunch of data I need to store for a few hours, and the thought was to store it in Flash since there's a lot more of it (512k vs. 128k for regular RAM) but it looks to be pretty daunting. I've been ...

Resolved! STM32H723ZGT6 will not reboot after powering off

Hello All,I designed and built a bare metal board with an STM32H723ZGT6 and it runs fine.I have blinking LED's, timer / interrupts running, HSE and LSE etc.I have been trying to figure out why if I toggle the power supply the device will not boot up ...

MDeac.1 by Associate III
  • 1178 Views
  • 4 replies
  • 0 kudos

STM32F756VGH6 register based interrupt syntax.

Hi,I am a beginner in STM32 programming. I chose purely register based programming approach without using HAL as I find it a bit harder and slower but more contributing to the overall system performance in the long term code writing skills. This time...

Vilius by Associate III
  • 4380 Views
  • 8 replies
  • 4 kudos

Resolved! UART data receive acknowledgement

Two devices A & B are communicating on UART. A sends data stream to B. B sends one byte data back to A to acknowldge that data has been received. I want to implement if A doesn't receive acknowledgement from B then it display Error message on LCD.Ple...

Nico3 by Senior
  • 1729 Views
  • 4 replies
  • 2 kudos

STM32H7 ADC dual mode simultanious mode problem

Hello,I am working with STM32H743, using ADC1 and 2 in dual simultanious mode, using DMA to store data from ADC_CDR (2 16 bit values) to memory, some hundred values in a stream in continuous mode. This works fine in general but I frequently see a mi...