1. Introduction In previous articles, we introduced some basic principles of SDRAM. This article will introduce the SDRAM controller under the FMC of STM32F429. 2. Introduction to the SDRAM Controller of STM32F429 According to the general module driver initialization process, it mainly involves the clock path: clock source to clock division configuration, enabling clocks for … Read more
1. Kernel Configuration to Add RNDIS Config — a/kernel/arch/arm/configs/mercury6_ssc016a_s01a_spinand_usbcam_defconfig +++ b/kernel/arch/arm/configs/mercury6_ssc016a_s01a_spinand_usbcam_defconfig @@ -1901,7 +1901,9 @@ CONFIG_SND_USB=y # CONFIG_SND_USB_PODHD is not set # CONFIG_SND_USB_TONEPORT is not set # CONFIG_SND_USB_VARIAX is not set -# CONFIG_SND_SOC is not set +CONFIG_SND_SOC=y +CONFIG_SND_SOC_SSTAR=y +CONFIG_SND_SOC_SSTAR_DUMMY_CODEC=y # CONFIG_SOUND_PRIME is not set CONFIG_USB_WEBCAM_RNDIS: external rndis function for webcam Symbol: USB_WEBCAM_RNDIS [=n] Type : … Read more
adb functionuses bulk transfer mode, requiring twoEP(in/out), and thepacket size required inusb2.0 mode is 512 bytes.1. Kernel ConfigurationSelect “function filesystem“, and after compilation, it will generate usb_f_fs.ko and g_ffs.koIf configured via configfs, please use the configuration below How to Test As mentioned earlier, ADB implements the logic for USB Device configuration and data transfer at … Read more
This issue records the latest news and shareable content about Zephyr, published in the last week of each month. This magazine is open source (GitHub: lgl88911/Zephyr_Fans_Monthly[1]), and contributions, issue submissions, or recommendations for Zephyr content are welcome. Project Data Excluding merges, 355 authors pushed 1,676 commits to the main branch and 1,771 commits to all … Read more
Source: https://blog.csdn.net/qq_34430371/article/details/125820927 Compiled by: Technology Makes Dreams Greater | Li Xiaoyao The author discusses the understanding and insights regarding ARM general purpose registers and status registers. ARM General Purpose Registers For processors, registers can serve as temporary storage for holding intermediate results, as input data for computations, or as an index for accessing memory, with … Read more
Hello everyone, I am Xiaokang! Recently, many readers have privately messaged me asking: “Xiaokang, how can I quickly get started with C/C++? Can you share a complete learning path?” Seeing so many friends needing guidance in learning C language, I spent several days organizing this super detailed learning guide. 💡 Are you still confused about … Read more
Last time I shared with everyone: the most needed programmers right now are embedded developers.Some students commented: There is a shortage, but the pay is not good.Regarding embedded development, there are three major controversies:1. There are not many job opportunities.2. Salaries are not high.3. The 35-year-old crisis cannot be avoided.In response to these controversies, a … Read more
MP3 players were once all the rage on the streets, with nearly everyone holding an OPPO MP3 player. However, with the rise of smartphones, MP3 players have faded into memory. In this article, we will use the Arduino development board and the XY-V17B module to play a classic MP3 song of our choice. Required Components … Read more
▲ Click☆Star me to avoid losing contact 1. Introduction The SemiDrive X9HP chip supports multiple operating systems running in coordination, enabling the control of four screens for the instrument panel, air conditioning, central control, and co-driver multimedia. The intelligent interaction between the vehicle and the driver can be achieved through a perfect integration of display … Read more
Chapter 5: Generating Keil Projects Using RASC 5.1 Creating a New Project 5.1.1 Selecting the Workspace Directory Manually create a folder named “Workspace_Keil” and set this folder as our workspace, where all our Keil projects will be stored. It is important to note that to avoid compilation errors, this workspace folder must be located in … Read more