Ask questions, find answers, and share insights on STM32 products and their technical features.
Posted on December 21, 2017 at 09:18For a long time I have been working with stm32f4 discovery board MB997C on my computer without problems. In fact, I've been running 2 boards simultaneously on my PC and it has worked great with both STM32 ST-LINK ...
Posted on December 22, 2017 at 20:24Hi,i noticed then when i declare a constant like this#define PI 3.141592653compiler use double instead of float wich is slowing down code execution. Is there a way to tell compiler to use float by default. instrea...
Posted on December 23, 2017 at 12:15Hello,i set GPIOC Pin13 high but high voltage is 1.5v How can I fix this problem?STM32F407ZET6 VCC = 3.3v
Posted on November 30, 2017 at 17:04H
Posted on December 14, 2017 at 04:10Hi -We are trying to integration TRF7960 with our custom hardware which has STM32F407 processor (via SPI). As per errata 1.1 on TRF7960, we need to switch the polarity of clock during write & read operation (Errat...
Posted on December 22, 2017 at 16:13&sharpinclude '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; i<SystemCoreClock/4000000; i++); }...
Posted on December 21, 2017 at 22:38I am trying to get LWIP and use it as a client... I scoured demos and I was able to produce what I think is working code. I set it up so I simply spam the server with a message so i can see that i am actually send...
Posted on December 21, 2017 at 13:38Hello,Having a problem to startup the STM32L4 MCU. After powering the board it seems like the controller does not start or get stuck. Running with a debugger works fine but when removing the debugger connection an...
Posted on December 21, 2017 at 13:25I've an Nucleo-f091rc, and i need using this board to programming an external STM32F070, using SWDIO, I've connected SWDIO, SWDCLK, NRST and GND. My external MCU have external 3.3V. When I try to connect I receive...
Posted on December 22, 2017 at 12:26Hi,HAL libraries are used to make easy project porting from a series or MCU to another one ...I just found a trouble, i used RTC ALARM in L4 and L0 MCU and set a fixed time to make alarm each 24 hours. it works wi...
