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I2C by IT [solved]

Hi,I use I2C like this uint16_t I2cAddrTemp = 0x90; uint8_t I2cWritedata = 0x00; uint8_t I2cReaddata = 0xFF;   uint8_t read_i2c_temp(void) { hi2c1_status = HAL_I2C_Master_Transmit(&hi2c1, I2cAddrTemp, &I2cWritedata, 1, 1000); //PRINTF("I2c = %02X",...

MMath.10 by Associate II
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I2C2+DMA1 and UART4+DMA1

Hi all,I'm having some trouble getting DMA to service sequential uses of I2C+DMA transactions.​​​I can have the I2C+DMA initialize our demodulator, which involves some 12,000 reads and writes. (So, I2C+DMA works *very, very well* when it works.) I ca...

EJohn.17 by Associate II
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STM32F407 SDIO/SDCard

Posted on March 29, 2018 at 04:32I am trying to get the STM407VET to communicate to an SD Card using the SDIO interface and drivers. Code base was generated from CubeMX and Eclipse is the IDE. Debugging with Open OCD. Hardware is custom. I have trac...

Resolved! FMC memory map confusion

Hello,I have a little confusion regarding FMC memory map. I hope someone can help me with it.Accoring to reference (stm32h743) FMC external memories are mapped as following:0x6C000000 -0x6FFFFFFF FMC NOR/PSRAM/SRAM 4 Bank1 (or remap of FMC SDRAM Ban...

ranran by Senior II
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Hard fault caused by strncpy,

Hi,I am running into a strange problem, I am using strncpy function to copy one array into another. If i include this in my code i get a Hard fault DEBUG_VT . I have read quite few article on hard faults and how to track them down but this one that i...

conrad c by Associate II
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Resolved! Help getting started with NUCLEO-F722ZE

So I've just bought a F722ZE based board which is ideal for the projects I'll be working on, however I was hoping I could get this to work with the arduino IDE and save myself the trouble of learning the new platform, but this doesn't seem to be poss...

JWood by Associate II
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STM32L475RE only run in debug mode

Hi everyone!I’m working with a STM32L475RE design. The project works completely fine in “debug mode�? (using ULINK2) but doesn’t work in release mode. I’m trying to find the code part that could be the problem, using a LED on the initiation. However,...