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STM32f302cc SPI code assistance needed

Posted on March 25, 2018 at 22:51Hi,I have recently move from the STM32f101 to the stm32f302, I am using atollic IDE and the Hal library for the initial configuration of the peripherals.  I use register level setup for a lower overhead. having said ...

conrad c by Associate II
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  • 7 replies
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stm32R7VI widebus

Posted on March 24, 2018 at 10:29I met an interesting problem. When I tried to configure this IO with SD widebus config (4bit) with hal libraries I always failed with initialization because pin 1 of SD card is on logic 0.The solution was firstly let...

semler by Associate II
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  • 6 replies
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Resolved! Encoder mode and comparator?

Posted on April 08, 2018 at 09:59In the STM32F030x4/x6/x8/xC and STM32F070x6/xB reference manual (RM0360, ch 13.3.16) it says 'However, comparators are normally be used to convert the encoder�s differential outputs to digital signals. This greatly i...

Help to interface AT24C256 EEPROM with STM32F051r8

Posted on April 07, 2018 at 17:42I am trying to to write/read to at24c256.Iam new to I2C.I read about all theory stuffs.But i tried writing code from the i2c eeprom eg, but am not to able to skip the txis flag while loop.Please help.I commented the ...

Use of __libc_init_array call

Posted on April 07, 2018 at 18:36Hello,Into the startup assembly file there is a call to the __libc_init_array procedure, and i would like to know : What does it do ?If it is really essential ?What is the default implementation of the _init() proce...

oldone by Associate II
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Resolved! Timer update DMA generation problem

Posted on April 07, 2018 at 16:30Hello! I'm working with stm32f042 MCU. My task is to read GPIO 8-bit data (7-0 bits) periodically, the faster, the better. I use timer 3 to generate DMA request and DMA channel 4. The idea is the following one: timer...

Is the C standard library embedded with the program ?

Posted on April 07, 2018 at 18:27When i compile my project with gcc, does it : Include all the C standard library with my source code into the flash memory ?Or does it include only what i've used ?Or does it not include it at all ?Thanks.#c-compile...

oldone by Associate II
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  • 1 replies
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Problem about STM32F301 IAP.

Posted on April 04, 2018 at 07:59Hi?I encountered a strange problem in my iap bootloader project.There are two project for my application, the first is for ota. the second is for the universal task.when the board is powered. The first project is act...

kang hu by Associate
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  • 1 replies
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