Posted on March 06, 2017 at 22:49There are no 'else' statement in between the mutual exclusive 'if' cases in HAL_TIM_IRQHandler. This wastes precious processor cycles in real time (like PID) loops[...]} /* Capture compare 2 event */ if( [...]Compa...
Posted on May 29, 2017 at 17:01I try doing usb device with two bulk endpoint IN/OUT.All work fine but i lost every first packet on start device. Every new packet work fine, and work fine if i unplug and plug usb cable. And i recevie num of bytes in ...
Posted on May 28, 2017 at 20:40Hi!I`m trying to send data from memory to SPI using DMA for LCD TFT purposes. To speed up the drawing I would like to send the same half-word x times (fill the rectange with the same color for example). At this point I...
Posted on May 29, 2017 at 14:31Dear Forum and ST Wizards,I've spent few weeks so far researching problem with cubeMX USB app. Finally I found, that with tickless mode enabled, Windows 10 cannot enumerate the device, but with tickless disabled, every...
Posted on June 10, 2016 at 13:23Hello,In HAL USB_Device class library function (usbd_customhid.c) USBD_CUSTOM_HID_Setup() not exist case CUSTOM_HID_REQ_GET_REPORT(bug or not?), but in usb spec GET_REPORT must be realized. Could you recommend right ...
Posted on May 23, 2017 at 11:18Hello everyone, I have the following issue: when I try to flash firmware over SPI Bootloader and send data by command 0x31U (Write Memory) then read data by 0x11U (Read Memory) I got corrupted data, some words sti...
Posted on May 23, 2017 at 21:00Little background knowledge, I'm trying to implement XMODEM protocol for a file transfer to my SD card and everything seems to be in place and working for the most part but I run into an issue occasionally on USBD_CDC_...
Posted on May 19, 2017 at 11:26I have a board with a STM32f070f6 which won't show up as communication device class on the usb port.I tried to make it work without activating the usb and the LED blinks just fine (programing via usb/dfu file which ind...
Posted on May 22, 2017 at 09:34Hi.I got ST audio engine library V2.0.2 from sales dudes. I'm trying to use the lib_mp3decoder_cortex_m4_v2.0.0 with my STM32F469I (-Discovery board), GCC and Eclipse with openstm32.Question is, that what linker settin...
Posted on May 16, 2017 at 13:08Working on STM32F4 Discovery and using CubeMx to generate basic structure for the program.I am connecting FT232 based USB TTL Module to the USB OTG port of Discovery using Micro USB to Female OTG Cable.I am using CDC e...
