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STM32L432I'm using interrupt mode HAL driver and the i2c slave responses successfully for many transactions but then will randomly hang. Here is the code I'm using, its fairly simple.volatile uint8_t i2cbuf[2] = {0, 0}; static void MX_I2C1_Init(voi...
Greetings,I am using STM32L431RC MCU, and I'm trying to read the MUX for reading temperatures using I2C 3 interface, by using the Device address of the MUX, Acknowledge from the device and my data as the parameters in the format as specified in the i...
I'm studying a registers...I have stm32407vg and the LED is on the 'PA1' and I need that the LED turned 'On' after command witch It should turn it 'ON'. In may case after line № 18.But 'LED' turns 'ON' after line №16 and turns 'OFF' after line № 18Co...
Hello.I discovered a weird phenomenon that some flash memory of the board that I have is always the last status is 'FLASH_ERROR_PROGRAM'.The MCU of the board is STM32L152VD.I download my code that checking the last status of flash memory. (It used S...
Hello1628027999 should mean 2021-08-03 23:59:59,at least from a website that does not claim to keep in account any time zone,so I guess(wrongly ??)that it is referred to 0° Longituderawtime= 1628027999; gmtime_r(&rawtime_t, &my_tm_struct);it returns ...
Hello,By documentation STM32F101VC has 32KB RAM, we notice that our project use 44KB of RAM more than 2 years without any issues. What is real RAM size and why in documentation is only 32KB?
HAL_Delay (500); fresult = f_mount(&fs, "/", 1); if (fresult != FR_OK) Serial_PutString ("ERROR!!! in mounting SD CARD...\n\n"); else { Serial_PutString("\n\r SD CARD mounted successfully...\n\n"); fresult = f_open (&fil, "zephyr_20210506_nbi...
Hi!So I configured my SPI to work with DMA and with external CS. Before my main loop I set CS high, and everytime before I initialize communication on SPI with DMA i set CS low. Then, after communication is done I go to interrupt on that event and se...
Hi ST team,I want to define a new section in the ld script so I can use that for variables that have to keep their values in case of soft resets.I have made some changes in the script as follows, .noinit (NOLOAD): { . = ALIGN(4); _noinit = .; ...
#include "i2c-lcd.h" extern I2C_HandleTypeDef hi2c1; // change your handler here accordingly #define SLAVE_ADDRESS_LCD 0x4E // change this according to ur setup long ErrCnt_ERR=0; long ErrCnt_Tout=0; long ErrCnt_Busy=0; HAL_St...
