STM32 MCUs Products

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STM32F4 Discovery change timer ARR on the fly

Posted on December 10, 2014 at 18:41Hello everyone!I am experiencing problem with my discovery board. I am trying to accelerate my stepper motor, so when i push the button, i decrease value in TIM2 ARR with this command:uSeconds-=20;TIM_SetAutoreloa...

anze2 by Associate II
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ST32f407vgt6 sdcard fatfs problem

Posted on December 01, 2014 at 22:45STM32F4CUBEMX 4.5.0FIRmware 1.3.0in the mode  hsd.Init.BusWide = SDIO_BUS_WIDE_1B; everything works well but in mode   hsd.Init.BusWide = SDIO_BUS_WIDE_4B;retSD = FATFS_LinkDriver(&SD_Driver, SD_Path);    -  RES_O...

STM32 CUBE SDIO 4bit problem

Posted on November 24, 2014 at 16:19Hello;I want to use 4Bit SDIO on STM32F407VGT6 MCU. I already set all parameters on lastest STM32CubeMx software. RCC => External XtallSDIO =>4bit busMy Ide is KEIL 4.73.But this configuration is not working. When...

emre by Associate II
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  • 1 replies
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I2C interrupt driven communication problem!

Posted on December 11, 2014 at 14:18Hello friends! I'm using I2C1 on a STM32F103CB, according to AN2824 and reference manual. My goal is to use I2C with lower priority interrupts. For that purpose, i dont use ITBUF, but only ITEVT interrupt. The i2c...

atakan by Associate II
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Error while firmware loading

Posted on December 09, 2014 at 12:34Hello allI am working on STM32F4 Discovery board. I loaded a firmware on my board and it worked fine. Now I want to load new firmware which must be overwritten on previous one. When I load it says ''Loading Sectio...

tk446 by Associate
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STM32F103 Standby Mode Resets Processor Immediately

Posted on December 11, 2014 at 10:04Hello,I'm trying to use the STANDBY low power mode on the STM32F103. I have verified that the User Option Bits are set such that IWDG=1, NoReset_STOP=1, NoReset_STBY=1. Therefore the processor should not reset whe...

brent23 by Associate
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  • 0 replies
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Looking for a useful debugger, such as GDB

Posted on December 02, 2014 at 01:32Hello,Recently my team and I have run into a lot of issues in our code that require a good debugging solution. Unfortunately, however, we haven't found a good way of setting breakpoints and stepping through our co...

matt2399 by Associate II
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  • 4 replies
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