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SDIO and 50MHz ?

Posted on April 12, 2014 at 08:14 Guys, Why can't I use 50MHz for SDIO ? GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; it worked only with 10MHz GPIO_InitStructure.GPIO_Speed = GPIO_Speed_10MHz; 1. /*!< Co...

Read all pins in 1 port simultaneously

Posted on April 11, 2014 at 15:27I wonder how to read all port simultaneously such as GPIOA0 up to GPIOA7 or the equivalent of arduino codes DDRA = B00000000;   // sets Arduino Mega Digital pins 22(PORTA0) to 29(PORTA7) as inputs allBus = PINA; //re...

stock2 by • Associate II
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ST BLDC motor control STM3240G-EVAL

Posted on April 03, 2014 at 22:50Hi I'm working with the STM3240G-EVAL Board and trying to drive a BLDC Motor from Maxon EC-max 30 type 339923 (maxon.com) On the motor side I have Hall sensors and an encoder with 500impulses / turn, 2 channels A+B a...

dominik by • Senior
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STM32 Nucleo - Linux support

Posted on April 11, 2014 at 13:09Hello, I am trying to use STM32 Nucleo board under Linux (tried Ubuntu 12.04 and 13.10). After connecting, a mass storage and ACM devices appear, mass storage for firmware uplading works, but I can't get the ACM devi...

llamka by • Associate
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  • 3 replies
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stm32discovery board and I2C

Posted on April 01, 2014 at 07:58we have been facing problem in I2C communication in STM32F407/417 discovery board. when RCC_APB1PeriphClockCmd(RCC_APB1Periph_I2C1,ENABLE); command is initialized busy flag in SR2 register is set and no other communi...

TIM_ICFilter

Posted on April 11, 2014 at 15:15Does TIM_ICFilter sufficience enough to filter out jitter signal from quadrature encoder? or should I use a hardware filter also, because I can not get smooth signal from my quadrature encoder if I read directly from...

stock2 by • Associate II
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  • 0 replies
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STM32L162 - unique device id, address offset

Posted on April 10, 2014 at 12:59Hello!I'm trying to read STM32L162VD register U_ID (Unique device ID registers) ... If I refer to Reference manual, page 812, chapter 30.2  Unique device ID registers; base address is 0x1FF8 0050, for next scope of b...

matej by • Associate II
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