File: RPI open spi1.png
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C codes
A brief analysis of underlying interfaces
We have carried out the low-level encapsulation, if you need to know the internal implementation can go to the corresponding directory to check ,for the reason that the hardware platform and the internal implementation are different
We can open DEV_Config.c(.h) to see definitions,which in the catalogue RaspberryPi\c\lib\Config
1.There are three ways for C to drive:BCM2835 library, WiringPi library and Dev library respectively 2.We use Dev library by default. If you need to use BCM2835 or WiringPi to drive the RaspberryPi\c\Makefile, open RaspberryPi\c\Makefile and modify lines 13-15 as follows:
- Interface selection:
#define USE_SPI_4W 1 #define USE_IIC 0 Note:Switch SPI/I2C directly modified here
File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 08:01, 17 January 2022 | | 800 × 341 (117 KB) | Eng49 (talk | contribs) |
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