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Resolved! Hello All, I interfaced buzzer with my NucleoF103RB board, schematic and code attached with this post. now the problem is my buzzer is not playing loudly and I used one loop to increment the duty cycle, it is was not playing continuously.

/* USER CODE BEGIN Header */ /** ****************************************************************************** * @file : main.c * @brief : Main program body *****************************************************************...

Resolved! STM32H7 DMA request mapping table

Posted on April 19, 2018 at 20:16Hi,Where is the STM32H7 DMA request mapping table documented ? we want to use DMA on USART1 RX and TX.In STm32Cube for STM32H7, example UART_HyperTerminal_DMA , the DMA mappings are:/* Definition for USARTx's DMA */&...

stm32f070c6 boot issues

Hello,I'm using stm32f070c6. When pulling up 'BOOT0' with 10kΩ to VCC(3.3V) , I'm able to run my code on my custom designed board using STM32CUBEIDE.When I press RST or power cycle board, nothing runs. This is expected right? Since I'm in Bootloader ...

RKUMA.2 by • Associate II
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  • 4 replies
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Differentiating between multiple uart interrupts

Hi,I am using STM32L07xxxI want to use USART4 and USART 5 So i generated code using STM32CUBEMXBelow is generated code for interruptvoid USART4_5_IRQHandler(void) { /* USER CODE BEGIN USART4_5_IRQn 0 */   /* USER CODE END USART4_5_IRQn 0 */ HAL...

SA.17 by • Associate III
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  • 3 replies
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MCU resets after couple hours

Hi, everyone I have a weird problem, my stm32f103c8 chip goes to reset mode(nRST pin voltage goes below 1.5 v) after working for couple hours. The MCU is switching the GPIOB1(frequency is 500KHz). Do you have any suggestion about this issue? Is it a ...

Adistrict by • Associate II
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  • 10 replies
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Hello! I am trying to interface IC ADS1115(ADC) with STM32F401RE through I2C communication.I am not getting ACK from Slave after writing data to Config register.Please help.

 I am trying to interface IC ADS1115(ADC) with STM32F401RE through I2C communication.I am not getting ACK from Slave after writing data to Config register.But getting ACK for device address(0x92) and also in I2C1->SR1 register AF-Acknowlege failure b...

0693W00000ANnmuQAD.png 0693W00000ANnsDQAT.png 0693W00000ANnqIQAT.png 0693W00000ANnrFQAT.png
Nchun.1 by • Senior
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  • 1 replies
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Controlling 8 PWM signals simultaneously with DMA

So I'm trying to control 8 different PWM signals simultaneously using DMA (Nucleo-F429ZI connected with 8 lines of SK6812 LEDs).So save memory space I implemented the strategy described in this blog to save memory. Basically using half-transfer and f...

MDrac.1 by • Associate III
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  • 2 replies
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Resolved! STM32L4Q5CGT6P datasheet

Hello, I would like to replace STM32L072CBT with STM32L4Q5 in my development. I found that there is: STM32L4Q5CGT6P and STM32L4Q5CGT6. Unfortunately I can't find a data sheet for STM32L4Q5CGT6P. In the CubeMX I see that PIN46 and PIN22 with VDD12 ar...

YL by • Associate II
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  • 1 replies
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How can i reduce the OLED display clear time?

I have use STM32F0 microcontroller.I try to integrate the stm32 with OLED(SSD1306:128*64).It's an I2C communication. The issue is while clearing the display takes some seconds(like 2sec.).How can I make it faster?I have attached the issue portion ima...

0693W00000AOJNDQA5.png
Wju.1 by • Associate II
  • 1896 Views
  • 7 replies
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