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Resolved! Board: STM32G474E EVAL /using Demo-STM32G474E EVAL EWARM project IAR/ issue with reading BMP file from SD card and displaying on LCD. While I try displaying the image on Lcd I get "Error Popup resource file missing please update sd card content".

I checked sd card contents and it got the required files with right permissions and formatting. I tried debugging and kStorage_OpenFileDrawPixel() used for checking the file and printing on LCD returns kstorage_ERROR_OPEN. This is demo project with...

Rrn.3 by • Associate
  • 1096 Views
  • 2 replies
  • 0 kudos

Is 700 kb/s a normal datarate for USB in device mode ?

Hi,I am working with an STM32L476RCT6. On STM32CubeMX, in "Connectivity", I make use of the "USB_OTG_FS" functionnality and I have choosen the "Device_only" mode. In "Middleware", I use the "USB_DEVICE" in "Communication Device Class (Virtual Port Co...

VGava by • Associate II
  • 1343 Views
  • 5 replies
  • 0 kudos

Current consumption of individual peripherals in STM32G070

I was referring to data sheet of the STM32G070 to figure out the current consumption of individual peripherals to finally calculate the power consumption of those peripherals. The following table from page 50 of the document gives those details. Rang...

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TJosi.1 by • Associate
  • 466 Views
  • 0 replies
  • 0 kudos

DMA line output is one more cycle than expected

Hi,I'm trying to control multiple PWM signals simultanously using DMA (used for controlling LED drivers). However I'm having an issue I can't seem to trace, one of the lines puts out an additional PWM signal cycle that shouldn't be there, this is wei...

MDrac.1 by • Associate III
  • 1173 Views
  • 3 replies
  • 0 kudos

Verification failed

Hi,I wrote an external loader and tested for writing , erasing sector, erasing chip, reading, using "\testbinary1M.bin". But it failed in verification. What could be the reason? EDIT: I'm checkin what's going on by a logıc analyzer. I'm not using qua...

Ezgi by • Senior
  • 459 Views
  • 1 replies
  • 0 kudos

Maintain Codes After Power Off

Hello,I developed a custom-designed system with an STM32F767 microprocessor and controlled its parameters with a user interface through a Bluetooth module. When I power off then power on the system, I couldn't communicate with the circuit board. Is t...

AE104 by • Senior
  • 2751 Views
  • 15 replies
  • 0 kudos

STM32F4 SPI code only works in debug mode

Hi I am trying to read ID of an external FLASH.The code which reads it is shown below.uint16_t FLASH_ReadID(void) { uint16_t tempData = 0x0000;   //Read ID GPIOB->BSRR |= GPIO_BSRR_BR2; //Reset FLASH CS while(!(SPI1->SR & SPI_SR_TXE)); SPI1->DR ...

LLOLO.1 by • Associate II
  • 1564 Views
  • 4 replies
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Resolved! Sending AT command to esp8266 using stm32F103 through usart

i'm trying to communicate with a Wifi module (esp8266) using STM32F103, on keil IDE. As described in the schematic : i want making my stm32 send AT command to esp8266 through usart1 (Tx1), and getting the esp response (Rx1), then display the esp resp...

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SIDRI.1 by • Associate III
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  • 9 replies
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