1. From Polling to Interrupt Many students prefer polling over interrupt-driven operations. Is this related to our nature? Everyone likes to have everything under control and dislikes being interrupted. We often have experiences where we are talking to someone and suddenly receive a phone call, and after the call, we can’t remember what we were … Read more
Click the card below to follow Android System Engineer No Pain, No Gain! 1. Introduction Learning Philosophy: Understand one knowledge point at a time Difficulty: ★★★☆☆ Source Code Environment: Android 9.0+ Hardware Environment: Qcom Reading Time: 2 minutes Some classmates in the group have raised questions about HIDL and AIDL. In response to these questions, … Read more
There has been a rumor circulating: The hardware I2C design of STM32 has a bug, and it is better not to use it; using software I2C is more reliable. For a long time, to avoid unnecessary trouble, I have not used hardware I2C, mainly because software I2C is also quite convenient, and can be used … Read more