STM32-F401RE change duty cycle on the fly
Hi every one; using a STM32-F401RE board , how can i canghe on the fly the period and duty cycle of the two signal got in complementary PWM death time using ARR and CCR register?
STM32 MCUs Products
Ask questions, find answers, and share insights on STM32 products and their technical features.
Forum Posts
Resolved! How ARR value impact on timer input capture result?
Hello guys,I have just started working with stm32 controllers. I am trying to capture the frequency of signal using timer 2 input capture mode.I am getting absolutely correct frequency if i use ARR = 65535 but when i use ARR = 0xffffffff (As timer 2 ...
Create STM32 project in ubuntu without IDE
Hello,I've experience in using IDEs to create and run a projects in windows platform. But I've no experience in ubuntu.Now I need to work with STM32F4 mcu in ubuntu platform without using any IDEs (I can use editors). So how do I get start with this?...
How can I log (read and write) data to an SD card on an STM32L0 or L1 or any STM32 for that matter over SPI.
I've been furiously googling for days and I can only find random libraries that people have written and most have been abandoned or are just so complex I cant get it working.All I want to do is to log a line of data to a file on an SD card with the f...
Resolved! Is it possible to use latest CMSIS DSP Library on STM32F4?
Hi, Expert,I have STM32F407-Discovery and I'd like to use CMSIS DSP Library for audio processing.When I checked the library version which is released, it looks 5.5.4.So, I downloaded latest CMSIS DSP Library and build it for cortex-m4 atchitecture,Be...
TIMx_SMCR description refers to nonexistent registers
These are obviously leftovers from text which was in description of whatever mcu famiy the original source of this timer was (ST9 family?).This of course goes across all timer chapters within this RM, and across several RMs.JW
Which is the best way count over 1G with a 16-bit timer ?
I need to count over 1G with a 16-bit timer, measurement accuracy is very important to me. I had to do it using a single timer, do you have any suggestions? I am using stm32f0 ant timer1Thank you
Resolved! STM32G0B1RB availability
Hello, We are interested in developing a product with this MCU but we are not sure when it will be available. Can you help me with some information? We are really early in the dev. cycle and we are not going to "mass produce"(hundreds of units or tho...
Resolved! DUAL MODE DAC OF STM32 F0
I want to create 2 analog output (DAC) on PA4 & PA5 pin. How to make DAC dual mode as instructed in refmanual? When I use template code and add 1 more DAC channel but no success.please help me how to make 2 DACs simultaneously.Thanksstatic void DAC_C...
STM32L4 ADC oversampling setup
I want to use the adc 15bit resolution.I don't understand why right shift and oversampling ratio are at the same time.1. what is difference12bit + 4bit right shift + oversampling ratio 128xand12bit + oversampling ratio 8x?2. What are the functions ...
