Browse
STMicroelectronics Community
FAQs
Sign In
Product forums
STM32 MCUs
STM32 MCUs Products
STM32 MCUs Boards and hardware tools
STM32 MCUs Software development tools
STM32 MCUs Embedded software
STM32 MCUs TouchGFX and GUI
STM32 MCUs Motor control
STM32 MCUs Security
STM32 MCUs Wireless
STM32 MPUs
STM32 MPUs Products
STM32 MPUs Boards and hardware tools
STM32 MPUs Embedded software and solutions
STM32 MPUs Software development tools
MEMS and sensors
MEMS (sensors)
Imaging (sensors)
Automotive and Transportation
Automotive MCUs
AutoDevKit Ecosystem
GNSS positioning
Edge AI
Analog and audio
Interface and connectivity ICs
Power management
ST25 NFC/RFID tags and readers
STM8 MCUs
Other: hardware
Other: software
Knowledge base
STM32 MCUs
STM32 MPUs
MEMS and sensors
Analog and audio
EMI filtering and signal conditioning
Interface and connectivity ICs
Power management
Quality & reliability
Academy
About
Community guidelines
Feedback forum
Community blog
Developer news
All community
This category
This board
Knowledge base
Users
Products
cancel
Turn on suggestions
Auto-suggest helps you quickly narrow down your search results by suggesting possible matches as you type.
Showing results for
Search instead for
Did you mean:
STMicroelectronics Community
STM32 MCUs
STM32 MCUs Products
�?�设当�?在使用HAL_UART_Transmit传输数�?�,其中在HAL_UART_Tran...
Options
Subscribe to RSS Feed
Mark Topic as New
Mark Topic as Read
Float this Topic for Current User
Bookmark
Subscribe
Mute
Printer Friendly Page
�?�设当�?在使用HAL_UART_Transmit传输数�?�,其中在HAL_UART_Transmit里会进行加�? __HAL_LOCK(huart); 此时�?�了数�?�,进入了中断HAL_UART_RxCpltCallback,在中断里�?�继续调用 HAL_UART_Receive_IT�?�开�?�下一个数�?�接�?�中断,而在HAL_UART_Receive_IT里也会先进行加�?, 此时�?�现�?已�?被HAL_UART_Transmit�?�用了,所以函数调用失败了, 结果以�?�就�?也�?会接收数�?�了
龙承.1
Associate
Options
Mark as New
Bookmark
Subscribe
Mute
Subscribe to RSS Feed
Permalink
Print
Email to a Friend
Report Inappropriate Content
2021-01-19
07:41 PM
真的有这样的问题�?�?
Labels:
Labels:
UART-USART
All forum topics
Previous Topic
Next Topic
0 REPLIES
0
Reply
Related Content
ADC on the STM32WL5MOC module not working
in
STM32 MCUs Wireless
2024-11-24
Issue with DMA and ADC on STM32 Nucleo C031C6T6
in
STM32 MCUs Products
2024-11-24
NUCLEOL152RE board adc_buffer not being written to
in
STM32 MCUs Embedded software
2024-11-23
STM32L496ZGT6PU STLINK UART communication not working
in
STM32 MCUs Embedded software
2024-11-20
HAL_ADC_Start_DMA caused main loop to become blocked?
in
STM32 MCUs Products
2024-11-20