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STM32F103, Keil V5, Encoder, Interrupt

Posted on November 12, 2015 at 14:16Hi guys.im working on a simple encoder project where id like to read the encoder lines A and B and set a counter.although, the interruptflags on PC6 and PC7 are not beeing set and i cant see why. PC6 and 7 were te...

SPI Communication with TIM1

Posted on September 23, 2012 at 11:10Hello everyone, In my current project, I am working with Digital ledstrips. The strips I want to use have a WS2811 chip which is basically running a 1 Wire SPI interface (no clock Line). I will try to explain ro...

longchair by Associate III
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  • 9 replies
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DMX-512 RECEIVER

Posted on November 12, 2015 at 14:28HiI have to code a DMX512 receiver. I'm searching an example. Here I read there is a demonstration firmware who perform these action...  (http://stm32.eeelec.com/pdf/cd00248435.pdf)Someone can help me ? I have a s...

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
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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
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  • 4 replies
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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...