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I2C address scan not working for some I2C slave devices

Posted on June 13, 2018 at 15:36Hi,I am running code to scan available devices on I2C bus by using HAL_I2C_Master_Transmit() .scan is responding for RTC+EEPROM module and listing I2C addresses perfeclty.Now I have I2C based optical switches on bus,b...

STM32F4 KEIL license issue

Posted on June 14, 2018 at 08:03Hello, I bought the new f746 discovery board but when i tried to compile some middlewares keil is throwing errors Error &sharp603: 'Segger.MDK-Plus::Graphics:CORE:5.36.6': component requires valid MDK-ARM Plus or MDK-...

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stm32f417IG I2c2

Posted on June 09, 2018 at 15:46In one of the project am using two slave devices on I2C2 and while debugging am execution is going to  I2C_WaitOnFlagUntilTimeout,why i am getting this?#i2c-isues #i2c-hal_timeout-error #stm32f4

BootLoader & SWD

Posted on June 14, 2018 at 07:18Hello, dear colleagues, can anyone come across this situation. The STM32F405 processor is perfectly programmed with BootLoader, but I need to make changes in the program and debug from SWD. As I do not fight, but on S...

STM32f746 - I2C Busy flag stuck after a few reads

Posted on January 20, 2018 at 20:18Hey, I am currently using HAL_I2C_Mem_Read_IT() to read out data of a capacitive touchscreen sensor.The call works perfectly for the first 10-100 interactions, the interrupt fires HAL_I2C_MemRxCpltCallback() is tri...

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STM32L4: Issue writing flash memory

Posted on June 13, 2018 at 02:52Greetings,    I have a program that is writing flash memory.  Everything is working fine, except for some reason the last 16 bytes of each page refuses to accept a write.  Every other location has no problem.  I don't...

STM32F070 SPI NSS

Posted on June 13, 2018 at 21:42Hi,I am trying to get the hardware to control the NSS line on a SPI bus but it is not cooperating. I am talking to a DAC that requires 16 bits per transmission and 4 transmissions because its a quad DAC. The NSS line ...

Reliability data needed for LPS22HB and STM32L151

Posted on June 12, 2018 at 19:32I want to know the reliability data about the pressure sensor and the microcontroller:LPS22HBSTM32L151 I'm interested in the data like operating life or MTBF. The working environment for the sensor will be:20°C, 1 at...