Posted on September 24, 2015 at 14:45I�m trying to use the STM32F407 as Host, i use Olimex STM32-P407 eval, my hardware configuration is the following: - PB14, PB15, PB13 (DM, DP, VBUS) OTG HS as a Host with Embedded PHY I'm trying to initialize th...
Posted on September 24, 2015 at 05:00Is there a recommended way to set bMaxPower in the USB configuration descriptor to 250 (500mA) using the USB driver? I am creating a CDC device, and this works well, but I need to set bMaxPower in the Configurat...
Posted on September 23, 2015 at 13:41Hi.I'm trying to communicate with Huawei 3G USB modem. These modems start on MSC class and once configured, it switch for the CDC class .. How to make this switch procedure? Please help.Thanks, Rodrigo #usb #m...
Posted on September 21, 2015 at 09:40 Hello, I have a STM32F215 running as USB Device. With a specific command I implemented a function to change the core clock speed to 30/60/120 MHz. This is already working, but the USB Port has a stra...
Posted on March 05, 2013 at 12:19Hello everyone,at the moment I work with the STM32F407VGT6 by using the ''stm32f4x7_eth_lwip'' demo which is shared by STM. The example projectthat i tryed was ''tcp_echo_server''My problem with all demos which are u...
Posted on April 12, 2015 at 20:30Hi,I tring to turn on ethernet on my board, but I stuck on problem with ETH DMA.ETH->DMABMR = ETH_DMABMR_SR; while (ETH->DMABMR & ETH_DMABMR_SR);Above the line is reseting DMA, but it's never ending and I don't know ...
Posted on September 16, 2015 at 20:17my name is musyafani, i am a student in Politeknik Elektronika Negeri Surabaya , Indonesia. i want to ask, how to config PWM, USART, GPIO, I2C, TIMER, ENCODER in stm32f4_hal driver, not using std_periph driver. U...
Posted on September 19, 2015 at 15:27Hello to All I am Working on a RMII Module With DP83848v.I use Stm32f4xg Eval Board Schematic to Design this board.(you can download it in st site that you knew it better than me) i noticed that St design Etherne...
Posted on September 16, 2015 at 11:22Hi, I am attempting to have interrupts for overflow and underflow of `float` variables by implementing the FPU_IRQHandler function and enabling the interrupts. Using disassebly & OpenOCD debugger I can see that v...
Posted on February 08, 2013 at 23:19If I have a new DFU file I put on the RAM section and I want to upgrad the software with this file.How I should configure BOOT0,BOOT1 in the boot mode time and after it on the next reset?How I point to the automat...