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Forum Posts

Set USART2_RTS when GPIO is in alternate function mode.

Posted on August 25, 2014 at 16:06I have a STM32L152RCT6 mcu and a bluetooth module connected to usart2. I've also set up the dma for the communication. The gpio is set to alternate function mode. It works, however sometimes a packet loss happens. T...

zoltan by Associate
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choosing pwm channel stm32f407 discovery board

Posted on August 23, 2014 at 11:29hi everybodyi want to have 8 channel pwm input and 8 channel pwm output in stm32f407vgt6here is the table of timers in this micro . i also want to have a time scheduling .from your perspective which combination of t...

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STM32F205 DMA Problem

Posted on August 25, 2014 at 09:18Hello,I am trying to use DMA to transfer data from a buffer in RAM to a GPIO BSRR port triggered by a timer.  Due to the way the hardware is laid out I am committed to using TIM5 as the trigger.  The DMA trigger is ...

STM32 Cube and EXTI

Posted on August 25, 2014 at 08:23Containsorwill bein the next releaseincludesupportforSTM32CubeconfigurationEXTI? For exmple for STM32F0 and mappadle GPIO on external interrupt vectors.

a1379109 by Associate
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Voltage scaling: way to set 1.5V/16MHz

Posted on July 18, 2014 at 15:46I would like to set a Vcore voltage range to 1.5V and then back to default 1.8V on STM32L1xx for some code execution. I did not found anywhere the correct procedure, what everything has to be change, but generally it ...

adam23 by Associate II
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Problem with External Interrupt

Posted on August 23, 2014 at 09:13Hello Sir,I'm facing the problem with external interrupt while using debugger. I'm using PC14 as external input key and PA15 as normal input key. So,when I was using debugger if I pressed the normal key(PA15) it is ...

raja81a by Associate II
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STM32F3 (stm32f303vct6) + i2c + CMSIS

Posted on August 18, 2014 at 17:08 I'm trying to connect this port to i2c standard PCF8574 I/O expander. And I can't get it to work. My GPIO init code: RCC->APB1ENR |= ( RCC_APB1ENR_I2C1EN | RCC_APB1ENR_I2C2EN ); RCC->AHBEN...

kudlata by Associate II
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USB Device Library documentation

Posted on August 24, 2014 at 14:11Hi,Does any documentation or doxygen exists for USB device library (exacly for HID)?I try to deal with that library but I couldn't find any documentation which might explain me what are proper function used for.Than...