STM32 MCUs Embedded software

Ask questions and find answers on STM32Cube packages, including HAL, LL and middleware, and expansion software.

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STM32L476 Nucleo-64 cannot read USB drive

大家好,我正在使用一塊 STM32L476 Nucleo-64 開發板。我想直接將 USB 隨身碟連接到開發板的 USB 連接埠來讀取它。我正在使用開發板的UART檢查USB讀取操作是否成功。我成功讀取了一個16GB的USB驅動器,但當我嘗試讀取一個256GB的驅動器時卻失敗了。這對我來說很奇怪。有人遇到類似的問題嗎?或是有什麼建議可以解釋一下是什麼原因造成的?任何幫助都將不勝感激!Google Translate:Hello everyone,I'm using an STM32L476 Nu...

kevinyy by Associate
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30us delay with some constraints

Hi I am using Timer2 with Prescaler 83 and up counter of period 49 to be triggered after every 50us. But I am using an ADC and I want to turn it on every 330us. So after 6 interrupt triggers, I turn on the ADC but I need to generate a 30us delay befo...

avbST by Associate II
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  • 6 replies
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UsbX example

Hi ST, i have one question for you. Could you please make "examples" more messy? Is it even possible? Lets see, i believe you can do it even worse. To be honest, i have never saw this nonsense and mess in my life. And i have also worked as ABAP devel...

Eiffel by Associate III
  • 182 Views
  • 5 replies
  • 1 kudos

What is "hal_ppp"?

Hi, This might seem like a dumb comment, but I am reading UM1884, Description of STM32L4/L4+ HAL and low-layer drivers, and I find numerous references to "hal_ppp" or "HAL_PPP" such as the file name "stm32l4xx_hal_ppp.c" (Table 2, page 8) or "HAL_PPP...

AMacd.1 by Senior
  • 113 Views
  • 1 replies
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How to test X-CUBE-AZURE protections

Hi,I am successfully builded and flashed TFM_Azure_IoT application at X-CUBE-AZURE(v2.3.0) package. You can see teraterm port output at attachment.I looked in to MCU software packages for B-U585I-IOT02A i found "STM32Cube_FW_U5_V1.8.0\Projects\B-U585...

macar by Associate
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