STM32 MCUs Products

cancel
Showing results for 
Search instead for 
Did you mean: 

Forum Posts

Unable to write ''DWT->CTRL''

Posted on November 02, 2015 at 14:30Hi, I want to get CPU cycle counter (DWT->CYCCNT) and uUnable to write DWT_CTRL register (value is always 0x40000000).   /* Enable TRC */   CoreDebug->DEMCR &= ~0x01000000;   CoreDebug->DEMCR |= 0x01000000;   /* R...

Andrew1 by Associate II
  • 1054 Views
  • 5 replies
  • 0 kudos

STM32L0 RTC wakeup time offset (in STOP mode)

Posted on November 12, 2015 at 02:36Hi,I'm using an STM32L051R8 clocked off HSI 16Mhz and with a 32.768KHz external crystal (LSE) that drives the RTC and an LPTIMER.I have set the RTC to generate periodic wakeup interrupts every X seconds, just befo...

koenvv by Associate II
  • 720 Views
  • 4 replies
  • 0 kudos

I2C/SMBus doesn't respond to ARA

Posted on November 10, 2015 at 15:53 Hello guys, I'm running a communication between two STM32F4 via SMBus. For configuration I use HAL Drivers and CubeMX. Pin Configuration: PB7 ------> I2C1_SDA PB8 ------> I2C1_SCL PB5 ...

spike on a GPIO pin on power ON

Posted on November 11, 2015 at 08:35Hi STM32 forum.I am working on a custom board with STM32F030 controller on it. In my setup the GPIOs are connected to triac ICs which drive the external load(bulbs). The GPIOs init is as given below: GPIO_InitType...

STM32F072 Baudrate Fault

Posted on November 12, 2015 at 09:06 Hi, I am using STM32F072C8 uC and i configrated USART1 as 9600 bps. When I was sending some data,i don't receive correctly any data(when my serial port program set 9600bps).But i change my program baudr...

STM32Cube FreeRTOS cmsis_os.c osPoolAlloc bug

Posted on November 11, 2015 at 18:58Hi,This code generated by STM32Cube with FreeRTOS looks like it has a bug. To reproduce, create a small pool. Allocate a single item that is not free'd then, allocate and deallocate sucessive items. The pool will ...

STM32 F4xx CMSIS RTX RTOS , run with DMP MPU6050

Posted on November 12, 2015 at 08:23i have mpu6050 sensor , and i using DMP motion driver 5.1 from invensense. My question is, why my RTOS task is stoped if i using DMPinit in my program ? please help me. how to setting RTX config to run the DMP (i2...