StarFive VisionFive 2, Руководство пользователя

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Contents
List of Tables.......................................................................................................................................................................................6
List of Figures.....................................................................................................................................................................................7
Legal Statements................................................................................................................................................................................ ii
Preface............................................................................................................................................................................................... iii
1. Overview............................................................................................................................................................................. 8
1.1. 40-Pin Header Definition.................................................................................................................................................... 8
2. GPIO Pinout ...................................................................................................................................................................... 9
3. Preparation........................................................................................................................................................................ 10
3.1. Preparing Hardware.......................................................................................................................................................... 10
3.2. Preparing Software........................................................................................................................................................... 11
3.2.1. GitHub Repository..................................................................................................................................................11
3.2.2. Flashing Debian OS to a Micro-SD Card................................................................................................................ 11
3.2.3. Generating DTB...................................................................................................................................................... 11
3.2.4. Replacing DTB........................................................................................................................................................ 12
4. GPIO Operations................................................................................................................................................................ 15
4.1. Configuring GPIO...............................................................................................................................................................15
5. I2C Operations................................................................................................................................................................... 16
5.1. Configuring I2C GPIO........................................................................................................................................................ 16
5.1.1. Hardware Setup..................................................................................................................................................... 16
5.1.2. Configuring dts File................................................................................................................................................ 17
5.2. Debugging I2C GPIO..........................................................................................................................................................17
6. SPI Operations................................................................................................................................................................... 20
6.1. Configuring SPI GPIO.........................................................................................................................................................20
6.1.1. Modify Pins............................................................................................................................................................ 20
6.2. Debugging SPI GPIO..........................................................................................................................................................20
6.2.1. Loopback Test.........................................................................................................................................................21
6.2.2. Testing SPI with ADXL345 Module.........................................................................................................................22
7. PWM Operations............................................................................................................................................................... 25
7.1. Configuring PWM GPIO.................................................................................................................................................... 25
7.1.1. Modify Pin..............................................................................................................................................................25
7.1.2. PWM and Pin Name Mapping...............................................................................................................................25
7.2. Debugging PWM GPIO......................................................................................................................................................25
8. UART Operations............................................................................................................................................................... 27
8.1. Configuring UART GPIO.....................................................................................................................................................27
8.1.1. Modifying dts......................................................................................................................................................... 27
8.2. Debugging UART GPIO......................................................................................................................................................28
8.2.1. Hardware Setup..................................................................................................................................................... 28
8.2.2. Debugging UART Send and Receive Functions...................................................................................................... 29
9. Peripheral Examples...........................................................................................................................................................33
9.1. Sense Hat (B) Example......................................................................................................................................................33
9.1.1. Hardware Setup..................................................................................................................................................... 33
9.1.2. Running Example with Sense Hat (B).................................................................................................................... 34
9.2. 2.4inch LCD Module Example...........................................................................................................................................35
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