When developing projects based on RTOS, we often encounter mutual exclusion situations, such as: multiple tasks needing to use a single UART port to send data. If mutex locks are not used, a higher priority task may preempt the UART and send data, potentially resulting in “garbled” data being sent. Today, we will discuss a … Read more
Author | strongerHuang WeChat Official Account | Embedded Column When developing projects based on RTOS, it is common to encounter mutual exclusion situations, for example: multiple tasks need to use a single UART serial port for data transmission. If mutex locks are not added, a higher priority task may preempt the serial port and send … Read more
For related content, click the card below to follow Arm Technology Academy This article is authorized to be transferred from the WeChat public account TrustZone. This article mainly shares the communication between MailBox and MUTEX. 1 Preface Many solutions in the industry now involve multiple processors, either hard-core processors like Arm A9, A53, or R5, … Read more