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Resolved! Problem using TIM3 on DMA1 on STM32G030J6

Dear to All,I have a boar with STM32G030J6 and I want use the TIM3 as PWM output (on PB0->TIM3_CH3) using DMA1 channel 3 to transfer data from RAM memory to TIM3_CCR3 register. The problem is that DMA never trigger the interrupt!Here the code:// Setu...

DRenz.1 by Associate II
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  • 4 replies
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Resolved! Using stm32g0 RTC as an external RTC for another system/board

I noticed this driver https://github.com/EmcraftSystems/linux-emcraft/blob/master/drivers/rtc/rtc-stm32f2.cIs it possible to configure the stm32g030c8 to be an i2c slave and provide it's RTC to an external system that runs linux and uses this driver?...

EMela by Associate II
  • 789 Views
  • 2 replies
  • 0 kudos

Uart3 in stm32f103c8 not working

hi,i am trying uart with dma in stm32f103c8 with uart3 after n try i found that uart3 in stm32f103c8 is not working then in polling I observed that the TX pin is not getting high and low so I toggle that pin it toggles as a digital pin so I think t...

ABhat.7 by Associate III
  • 2679 Views
  • 12 replies
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why can't I change the clock

I inherited someone else's code who knows more about the STM32L1 architecture than I. In some code paths, the HSI can get changed to 8Mhz from the HSE of 32Mhz, and sometimes it can't.It fails because of this loop timing out.do { HSIStatus = RCC->C...

DBecc.1 by Associate II
  • 972 Views
  • 6 replies
  • 0 kudos

I need help with I2C between a Arduino board and a STM32F103

I have been trying to make the Arduino talk to the STM32 via I2C but i just cant get it to work. The STM has to be in a form of a slave mode but i can't seem to figure it out. So if there is anyone who could help me or give me a form of an example fr...

NNams.1 by Associate
  • 685 Views
  • 2 replies
  • 0 kudos

Questions about current injection on STM32G431CBT3 pins.

Hello, i have some questions about current injection onSTM32G431CBT3 pins.On datasheet Table 15 it is reported:IINJ(PIN) -> Injected current on FT_***, TT_xx, NRST pins ->-5/0NOTE3:Positive injection (when VIN > VDD) is not possible on these I/Os and...

ABido.1 by Associate II
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  • 5 replies
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Resolved! STM32F767 SPI slave weird behaviour

Dear community, I am facing a weird problem on using the SPI after migrating my codes from STM32F407 to STM32F767.The SPI is configured as slave and interfaces with another STM32F406 MCU as master. The data received by the slave is sometimes shifted ...