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Posted on May 03, 2017 at 16:29Hi,We are using STM32F072C8 device and we are using USB CDC Interface when communicating with PC.When USB bus traffic is low everything is working fine.But when USB bus traffic is heavy we observed during USB CDC Write...
Posted on December 21, 2017 at 03:52We have a project that using a wiegand sensor to power the mcu and update the counter to FRAM through SPI. there will be a 10us width regulated power supply from wiegand, all the process need to be done in 10us wi...
Posted on December 20, 2017 at 23:43 I'm new to microcontroller programming and I have a question. I'm trying to set up a stm32l152re card in the qtcreator and the same error appears at the time of compiling the project shrink arm-none-eabi-gc...
Posted on December 20, 2017 at 18:20Hello all.HAL uses function 'FLASH_WaitForLastOperation' for polling flash 'BUSY' flag, while performing flash page erase or flash write. How can this function be executed from flash if flash bus is blocked during...
Posted on December 20, 2017 at 15:51I know of the STM32F303 line with 5MS/s (0.2us),the F378 with slower ADCs but 16-bitand some F4/F7 devices with also slower than the F303 ADCs.But which STM32 has the fastest ADC regarding the complete conversion ...
Posted on December 20, 2017 at 14:06[code]#include 'lcd.h' void lcd_delayus(unsigned int us) //blocking delay for LCD, argument is approximate number of micro-seconds to delay { unsigned char i; while(us--) { for(i=0; iBSRR=(0xff<<(LCD_D0_pin+16)); ...
Posted on December 18, 2017 at 14:20hi....cubemx ver 4.22.1 is compatible with firmware package 1.16.0 .....even though it is not working properly for sd-card operations. i have executed open/read/write operations correctly first but then again ge...
Posted on December 20, 2017 at 11:54 When debugging my STM32F4-Discovery using gdb on command line, my gdb complains that 'cannot find bounds of current function'. Could anyone please help me understand the problem and cause? I generated a pro...
Posted on December 19, 2017 at 06:43I am interfacing ESP8266 with my Murata LoRa board(though not using LoRa), so let us just say I am using STM32L072CZ with ESP8266 connected on UART1(Pin9,10). I am seeing a strange behavior from STM UART.The code ...
Posted on December 13, 2017 at 08:23I have a nucleo-L073RZ board.Boot0 port, Flash loader is being used to download the firmware.Connecting with USART1 (PA9, PA10) works well.However, it can not be connected to USART2 (PA2, PA3).In the AN2606 docume...
