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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
  • 947 Views
  • 2 replies
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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
  • 1209 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
  • 764 Views
  • 4 replies
  • 0 kudos

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
  • 732 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...

USB OTG FS

Posted on June 09, 2014 at 08:59I am using STM32F4-DISCOVERY and dc motor.Is it possible to drive with a PWM a dc motor with STM32F4DISCOVERY using only the USB OTG FS with micro-AB connector?many thanks Cesare

cchechio by • Associate II
  • 784 Views
  • 3 replies
  • 0 kudos

Problem in CAN1 of STM3220G-Eval

Posted on June 09, 2014 at 15:52Hi, I have faced problems using CAN1 in evaluation board STM3220G-Eval. I've used the CAN Network example project of STM32F2xx STD LIB. I have two STM3210C-Eval and one STM3220G-Eval. So I tested the network between S...

gustavo2 by • Associate II
  • 561 Views
  • 2 replies
  • 0 kudos

STM32CueMX generated project in version control

Posted on April 29, 2014 at 12:14Hi All, I have generated a project using the STM32CubeMX tool for IAR Embedded Workbench. It is working great and I'm using TortiseHg and BitBucket for version control. This was working great until someone else (my b...

STM32F4 Frequency Counter

Posted on June 08, 2014 at 19:21Hello everyone, i'm using the CCP module in ''PWM input mode''. My goal is to measure the frequency, the period and the duty cycle but the measure isn't precise, it continually changes near the true value. This happen...

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