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dereferencing type-punned pointer warning on bare project

Posted on March 28, 2018 at 20:53I decided to try out the new TrueStudio. Downloaded and installed it, and also updated STM32CubeMX to the latest, as well as all the latest firmware packages.I then created a new Cube project for TrueStudio using the...

STM32F051 - Flash not working with an external clock

Posted on March 26, 2018 at 15:16I have been trying to erase and store data in the flash without any success. As long as I am using the HSI clock to drive the SYSCLK, the flash works just fine. However, if I start using the external oscillator to dr...

Abi Nair by Associate
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STM32F4 SDIO high speed write to sd card

Posted on April 07, 2016 at 14:15I've a following problem. I'm using STM32F427VG connected to microSD card via SDIO interface. I'm using ST driver, configured for 4-bit data access and DMA tranfer. I need to reach continuous write speed above 3000kb...

krestan by Associate II
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  • 13 replies
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Communication between STM32L4 and Blue NRG1

Posted on March 28, 2018 at 16:52Hello Can I configure the  STEVAL -IDB007V1 ( BLE NRG1 ) board as an expansion board with the STM32L476RGI must integer the driver bluetooth in STM32 L4 Nucleo but I could not configure the communication between the ...

Eya Eya by Associate
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We have managed to ''Brick'' an STM32F437ZGT.

Posted on March 28, 2018 at 11:34Hi, after running some software tests, we have locked the processor. In the past, I have managed to use a uLink2 debugger to unprotect the flash, and re-gain access.This time, the debugger won't even connect'Cannot a...

DMA counter resetting by itself

Posted on March 19, 2018 at 22:09Hello,Could someone tell me what I am doing wrong here?I would like to transmit on SPI (as slave) using DMA, and so have tied SPI transmit to a DMA channel, and set up an ISR to capture 'transmit completed' interrupt...

za kia by Associate II
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Resolved! UART output voltage information [STM32F413]

Posted on March 28, 2018 at 11:45Hi !I'm currently using STM32F413 uC.I can not find on the datasheet (and the reference manual) the output voltages of UART pins (or even GPIO).The voltage of course depends on the supply voltage. I'm currently power...

Jems On by Associate III
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Resolved! Why no systick interrupt happen??

Posted on March 23, 2018 at 13:11I ported u-boot 2018.03 to my own board based on stm32f767igt,i set some register with systick timer as below:as the above picture, the systick timer count is changed,but i couldn't get in systick handler?besides reg...

0690X0000060ABiQAM.png

HAL_I2C_Master_Sequential_Transmit_IT problem

Posted on November 07, 2017 at 15:49 Hello. I have problem with i2c device which requires time courses as showed below. This picture shows writing data to i2c device, in this case ltc29 In first approach I try to do this in 2 steps, send add...