stm32f4

Interfacing SDcard with stm32 using Spi interface, sdcard is of 16gb ,and while storing json files to sdcard it stores upto 50 files in faster rate but after 50-60 files the rate of storing files getting slower, why??please let me know, what could be the possible issue...

Hello, I want to communicate with the STM32F4 Discovery card and the PLC Stamp Mini module via SPI. This module has a QCA7000 chip inside. I selected the SPI2 channel as SPI mode 3 (CPHA = 1 , CPOL = 1) and the Chip Select pin as PE4. I want to send the 0X1A00 data and embed it as 0xAA55 in...

Hey everyone...a basic issue How can i get hdmi output from stm32? Do they have hdmi output themselves? if not what should i do?

My DCMI setting is as follow: hdcmi.Instance = DCMI; hdcmi.Init.SynchroMode = DCMI_SYNCHRO_HARDWARE; hdcmi.Init.PCKPolarity = DCMI_PCKPOLARITY_RISING; hdcmi.Init.VSPolarity = DCMI_VSPOLARITY_HIGH; hdcmi.Init.HSPolarity = DCMI_HSPOLARITY_LOW; hdcmi.Init.CaptureRate =...

Hi. I am using STM32F407VGT6 this one and RadioLink SE100 GPS. I am trying to get $GNGGA data via USART and displaying it in putty terminal. I am able to get and print data. After 3-4 minutes gps sensor led is blinking but no data is printed on terminal. /* USER CODE BEGIN Header */ /**...