Ask questions and find answers on STM32Cube packages, including HAL, LL and middleware, and expansion software.
Posted on June 08, 2016 at 15:51Hello, I have configured USART2 to communicate as RS422. Rx is connected to PA.3, Tx to PD.5. I need baudrate 921.600 Baud. There is no problem send anything one or more bytes. I can not receive anything from Rx (PA.3...
Posted on June 14, 2016 at 11:10I notice that the HAL locates some lookup tables in RAM. For example, in stm32f1xx_hal_rcc.c:uint32_t HAL_RCC_GetSysClockFreq(void) { &sharpif defined(RCC_CFGR2_PREDIV1SRC) const uint8_t aPLLMULFactorTable[14] = {...
Posted on January 01, 2016 at 15:57Hi All,How to detect USB plugin and unplug?I used the stm32L152 and USB CDC class.I want to show plugin information on OLED, need to know when the usb plugin and unplug, but I can't find the solution?I used a flag ...
Posted on June 10, 2016 at 11:52 I'm doing a project where I use a NUCLEO-F446ZE as a USB device. I'm implementing the CCID class. I used the template class and some code from VCP. This way some endpoint are already configured like Bulk ...
Posted on June 10, 2016 at 05:54Anyone tried before USB audio playback with endpoint single buffer only? or must double buffer?reason is I use STM32F072 and it's USB buffer only 1K. My device will have playback and recording at 48KHz 24bits. So if m...
Posted on May 11, 2016 at 17:47Hello everyone. Currently I am using STM32F4 board Discovery. I have a small project that is implementing the adc ADC and transmits the value to the PC via USB full speed. I knew I should use Custom HID class. I had a ...
Posted on March 26, 2015 at 11:26Hello,I communicate with an STM32F4 eval board and a host computer by using VCP, I would like permit a DFU by using software.I search the quickly solution to implement both. I hesit between redefine USB interface whe...
Posted on June 05, 2016 at 19:15Hello,In my senario, a SPI eeprom is connected to a STM32F051, whose SPI module was set to a full duplex master mode. My original code to read a block of data from the eeprom was like this:The problem of this code is ...
Posted on June 03, 2016 at 20:23I'm writing a USART boot-uploader for a project of ours, testing it on an STM32L053 discovery board. I can bring up the bootloader and talk to it just fine, send all the GET commands for info (It reports chip id 0x417...
Posted on March 27, 2015 at 22:03I have an STM32F427 using the 1.4 version of the STMCube software with the HAL drivers.I am using the stock 1.4 and calling HAL_SD_ReadBlocks_DMA to transfer 1 block from the SD card. Periodically, it hangs in the fo...
