STM32 MCUs Products

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My potentiometer in a adc led counter doesnt work

Im trying to do an ADC led counter, but when i debug my program i see the live expression and i can watch the changes in the potentiometer, but D10,D9,D8 AND D7 are on but with 1.8v, and d5,d4,d3,d2 turn on with 3.3v, the main idea is that when i rot...

ALope.6 by Associate
  • 981 Views
  • 1 replies
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Resolved! Is sprintf() supposed to support uint64_t numbers?

This compiles with no warnings or errors: char buf[256];uint64_t bignum = 0x123456789;sprintf(buf,"bignum: 0x%016llx, %llu\r\n",bignum,bignum);HAL_UART_Transmit_DMA(&huart1,(uint8_t *)buf, strlen(buf));This comes out the terminal:bignum: 0x0000000000...

KiptonM by Lead
  • 1644 Views
  • 5 replies
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FMC and SDRAM sample

I'm using STM32F469 with 2M x 16 x 4banks (16MB) SDRAM.I'm just trying to run FMC_SDRAM sample for STM32469l-EVAL and it seems the first 256 data could write/read successfully.My question is that to access memories in 2 to 4 banks, do I need to send...

SYoko by Associate
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  • 1 replies
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STM32F7 and MPU

Hello everyone,I apply STM32F746BE with externel SDRAM 32MB (MT48LC16M16A2P-75 IT:D) and externel FLASH 16MB (MX25L12845GM2I-10G), Ethernet (LAN8710AI-EZK), LCD.Vector' table is located at 0x20000000. Firmware is runned from externel FLASH 0x90000000...

Anton1 by Associate II
  • 2732 Views
  • 10 replies
  • 1 kudos

Time consumption FFT calculation. CMSIS, STM32F401RE

Hello,i calculate an FFT with the STM32F401RE. It works fine so far. Here are the relevant code snippets:arm_rfft_q31(&S1, (q31_t*)fft_input_buf1, (q31_t*)fft_complex_buf1); //takes about 1760 µs   arm_cmplx_mag_q31((q31_t*)fft_complex_buf1, (q31_t*...

felix23 by Associate II
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  • 3 replies
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