STM32 MCUs Products

cancel
Showing results for 
Search instead for 
Did you mean: 

Forum Posts

Alternative usage of timer channel pins

Posted on June 10, 2014 at 15:42Hello, as described in the reference manual, the STM32F103 have timers with up to four channels - for example TIM1 - TIM5. But in my application i need only one channel (for output compare or pwm output). In the Micro...

STM32F103RC SPI3 configuration

Posted on January 14, 2014 at 09:16Hello,I can't get SPI3 on pins (PB3, PB4. PB5) working. On the scope I checked that SPI clock is running. But still I can't read MX25L6406E flash ID. Functions that handles flash commands are checked and is working...

linas by Associate
  • 912 Views
  • 4 replies
  • 0 kudos

Setting time and date on STM32F103

Posted on June 10, 2014 at 10:14Hi, I'm porting code from a M0 to an M3 part and libraries are quire a bit different. I need a quick tutorial on initializing the RTC and setting  time and date using the stm32f103 part. I've already obtained the date...

stenasc by Senior
  • 854 Views
  • 2 replies
  • 0 kudos

STM32L1 I2C2->SR2 busy flag set after reset

Posted on June 09, 2014 at 17:26Hello all, I am working with an STM32L1 and a I2C interface (Concretely I2C2, Pins PB10 and PB11). I tried different things but I am still not able to overcome the following issue: after intialising the I2C interface...

guillem2 by Associate II
  • 1055 Views
  • 3 replies
  • 0 kudos

DMA_DAC Problem

Posted on June 09, 2014 at 06:07I am updating the tim2 arr by DMA ...with the update of timer 2 DAC  will get triggered. I have checked the DAC o/p with CRO by it's corresponding pin and I am able to see the Sine wave but the problem is it is not en...

sanjib by Associate III
  • 690 Views
  • 4 replies
  • 0 kudos

Bootloader for STM32407

Posted on June 10, 2014 at 10:57I try to develop my own proprietary bootloader for STM32407 that work over UART and Ethernet. Is there any source code example?

STM32F103 - DMA Base Address Problem

Posted on June 10, 2014 at 11:46 Hi Guys, I've a bit of an understanding problem of the DMA in a STM32F103 µC. I'm trying to set the base address to a pointer (not to an address of a static varialbe). My problem is, that if I set the p...

manuel by Associate II
  • 624 Views
  • 1 replies
  • 0 kudos

Floating point

Posted on June 09, 2014 at 12:53Hi, I can't stand why my stm32f4 does not do the floating point calculation.Frequency = (RCC_Clocks.HCLK_Frequency)/2 / (IC2Value * (TIM4->PSC+1));Frequency is a float variable, but when i read it with ''printf'' ther...

Firmware for STEVAL-IFN003V1

Posted on June 10, 2014 at 10:28Hi, I have just buy the STEVAL-IFN003V1 and I download the software ''ST Motor Control Workbench'' In the Example projects there isn't the firmware for STEVAL-IFN003V1 Why? How can I download the firmware? #steval-...

0690X00000605f3QAA.png