Posted on April 13, 2014 at 08:57yeah，i use motherboard refrence as http://www.wvshare.com/product/Open407V-D-Standard.htmmainboard is stmf4-discovery;and my project file is open407-freerots.iocthen i add some breakpoints use keil with ST-LINK debu...
Posted on April 13, 2014 at 03:03I got several lines of code in TIM1_CC_IRQHandler and need to know its exact running time because some real-time requirements.So when I run simulation I got a time span between the entrance and the exit of the ISR. I...
Posted on April 11, 2014 at 18:27In my programm I use uart4 with 115200 baud. I want to receive data from devices - so I configure UART in RxMode. I enebled only one interrupt source for itUSART_ITConfig(UART4, USART_IT_RXNE, ENABLE); My interrupt ...
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...
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...
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...
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...
Posted on April 11, 2014 at 16:37 hello dear forum, I am trying to write a program for STM32F103RC but when I enable TIM8_UP interrupt the program freezes I am using RIDE7 for compiling and the program compiles without error plea...
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...
Posted on April 11, 2014 at 15:31 The original post was too long to process during our migration. Please click on the attachment to read the original post.
