STM32 MCUs Products

modbus with RS_485 communication

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...

Get one character from the USART

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; }

Now a days no stocks available with any supplier of P/N:STM32F030C8T6 P/N:STM32WLE5CCU6 Any specific reason?

STM32F746G-DISCO, FLASH, PWR, PVD

How to use HAL_FLASH_Program_IT? I set up: static void MX_NVIC_Init (void){ / * PVD_IRQn interrupt configuration * / HAL_NVIC_SetPriority (PVD_IRQn, 5, 0);HAL_NVIC_EnableIRQ (PVD_IRQn); } ...................... HAL_FLASH_Unlock (); // FLASH unlock fo...

Hello All, I am facing following problem while working with STM32L4R5 MCU. Can you please give why this problem occurs? What will be solution for this? Please explain step by step process to resolve this issues.

11:42:17 **** Programming project stm32l4xx_drivers on chip ****"C:\\Ac6\\SystemWorkbench\\plugins\\fr.ac6.mcu.externaltools.openocd.win32_1.23.0.201904120827\\tools\\openocd\\bin\\openocd.exe" -f stm32.flash.1849521082279362012.cfg -s "C:\\Users\\Hi...

How to Transfer Audio file (.AMR) from One USART to Another USART in STM32F030C8T6

BOOT probem

I have working with STM32L083... Since now no problem observed but my last pcb has BOOT problem... Namely when I ACTIVATE BOOT signal STM enter to boot mode but when I relesed taster for boot signal MCU resume from boot mode... earlier version of pcb...

HAL_ADC_Init failed after wake up from STOP mode in STM32L0x2

Hello, everyone.I am trying to figure out the HAL_ADC_Init issue after wake up from STOP mode. I am using the STOP mode in STM32L0x2 and build the project using CubeMX.At first, I have initialized ADC before main loop, then enter STOP mode. After wak...