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Problem in interfacing stm32f407 discovery board with Simcom A7670 via UART...I have connected Stm32f407 discovery board with Simcom A7670 via USART6 but in asynchronous mode, connecting UART Tx of A7670 with USART6 Rx of STM43f407 discovery board an...
Hello,Have a Chinese version CJMCU-31856 with MAX31856 chip on board. Trying to establish connection, data transmit and read temperature from this chip with STM32F407VE using SPI2 port.But no successful yet. I cannot read any data or transfer any dat...
Hi!A question related to the 32 bit TIM2 (or timers in general).I am generating a square wave output using TIM2 Output Compare function with toggle mode.I have also configured the DMA to help switch the CCRx output compare value in order to go from l...
High level: I'm looking to improve the performance of our application and I need to work out which methods are consuming CPU time.We have an application using NuttX as our RTOS running on STM32F777. The application is compiled with GCC using the Nut...
This page says:With a custom main() on Arduino:Call init() if you want to use things like millis(), micros(), and delay(), because that is where the hardware timers get initialized. This will also affect analogRead(), analogWrite(), and a few other t...
I am using Cool Term to print text to the USART.How can I make a new line?Now, it looks like this:TextTextText.....But I want it like this:TextTextText......
hello,in my application ill use an sd card, therefore im planning to use the internal sd card controller the stm32h743 suggested.i have some questions, hope you could answer.why the EVB uses a dedicated level shifter for sd card, cant you use simple ...
HI, i am using RS_485 as a serial communicator with modbus in stm32f103. But i am confused with TXEN pin used in Rs_485. i have read information it is used as transmitter and receiver . when transmitting the pin is set to high . while receiving...
I want to get one character at position x from the USART.Here is my current code:What do I have to do differently?char *getchar(int position){ char data[1]; data[0]=HAL_UART_Receive_IT(&huart2, data, 1); return data; }
Hi everyone,I have just created a project. I haven't done any modifications and I am getting this error when building the project:make: *** [makefile:44: nucleo-g474re-blinky.elf] Error 1 "make -j8 all" terminated with exit code 2. Build might be inc...
