Programmer Think

Define spring beans Bean definition in the corresponding code is the configuration meta information interface of beans defined in the Spring Framework, mainly including: Bean's class name, fully qualified name, concrete implementation classBean configuration meta information: scope, Auto Wiring, lifecycle callbackBean References: Collaborator ...

1.SPI protocol SPI is the abbreviation of Serial Peripheral Interface. It is a high-speed, full duplex and synchronous communication bus, and only occupies four wires on the pins of the chip. They are the following four MISO – Master Input Slave Output, master equipment data input and slave equipment data output;MOSI – Master ...

In the previous two articles, we learned about the SPI mechanism in RPC and dubbo. In order to further understand the whole process of RPC call, in this article, we will implement simple SPI mechanism, zookeeper registry, load balancing and other functions. I will put the link of the source code at the end of the article. If necessary, you c ...

0x00 Preface Because it was mentioned earlier that for the relevant pin test of HC32F460, the author recently completed a simplified SPI bus according to the device, so put it on the MCU to test the effect. 0x10 introduction As an SPI simulator, he needs at least: A way of settingAn interface to view the current statusA write interfaceA rea ...