Hi there!i start to work with a rotary encoder, i configurate a timer 3:in this way and i enable the interrupt . for read the encoder inside the timer interrupt i write nuber= (TIM3->CNT)>>2;so when i read the varible the first time i see 0 - 1- 2- 3...
Hello, I've a strange problem and I can't find the answer on internet.I'm transmitting a data from UART2 of my STM32 Blue pill. Its just one line :- HAL_UART_Transmit(&huart2, (uint8_t*)Tx_msg, sizeof(Tx_msg), 100);While using with ST-Link, it works....
Hi I want to use an EMMC( INSIGNIS NSEC53K) with STM32F405 SDIO interface. STM32F405 manual says: "Full compliance wit MhultiMediaCard System Specification Version 4.2."the EMMCwe have chosen: INSIGNIS NSEC53K. Its datasheet says:"Compliant with eMMC...
I am trying to interface with an AD8400 single channel digital potentiometer. It communicates over SPI and requires 2 address bits and 8 data bits to set its resistance. I am having trouble figuring out how to send a 10-bit message.I have set the dat...
Hi!I am having problems reading accurate values using the STM32H7B0 CPU. I have identical boards with STM32H7A3 and STM32H7B0 CPUs and the results from the B0 boards are off by a lot. I have also tried to run the ADC in 12 vs 16 bit mode and the scal...
I am using STM32F407G Discovery1 board. I'm printing Hello world and I want to debug to see the string. I do debug configuration: I set debug probe ST-LINK GDB server, i check SWD like interface and enable SWV with core clock 16MHz but still I don't ...
Hi,I am trying to have a DMA move one unit of data every time the timer finishes it's counting period. The DMA would be circular so it would continually do this. I am going to be moving from a buffer to the CCR register of a pwm output. I saw a HA...
I have an STM32L100C-DISCO board (MB110B Rev. B) and I want to install the LSE crystal, which is not populated by default. I consulted the schematic in the UM1656 "user manual for the 32L100CDISCOVERY discovery kit". Crystal X3 has a part number of...
test code as below:#include <rtthread.h> #include <rthw.h> #define CPU_USAGE_CALC_TICK 100 #define CPU_USAGE_LOOP 100 static rt_uint8_t cpu_usage_major = 0, cpu_usage_minor= 0; static rt_uint32_t total_count = 0; static rt_uint32_t _c...
