I m在具体针对一种嵌入式处理器的C代码基上工作。 I ve written general psuedo Object-光彩的代码,例如LED、GPIO线路和ADCs(使用结构等)。 我还撰写了大量的法典,以硬件/目标分析方式利用这些物体。
我们现在将另一种处理器类混为一谈,我希望保持目前的编码结构,以便我仍然能够利用高级图书馆。 然而,我确实需要为较低级别的法典(LEDs、GPIO、ADCs)提供不同的执行。
我知道......。 总体上看,C项档案是否合适? 例如:
// led.c
#ifdef TARGET_AVR
#include "led_avr.c"
#elseifdef TARGET_PIC
#include "led_pic.c"
#else
#error "Unspecified Target"
#endif
如果这不恰当,如何更好地执行?
感谢!
由于链接员确实关注源档案的名称(只关注出口标志),你可以改变每个目标的联系人指挥线,以指定适当的执行模块(led_pic.c)。
管理多个平台来源档案的共同办法是将每一套平台执行档案放在自己的目录中,因此,您可能拥有<代码>avr/led.c和pic/led.c(和avr/gpio.c和/gpio.c等)。
这是好的。 您可使用其他trick计,例如:
#ifdef PROC1
#define MULTI_CPU(a,b) (a)
#else
#define MULTI_CPU(a,b) (b)
#endif
这样做的比较常见的办法,不是包括C档案,而是改变建筑系统(无论它是什么)来汇编或编集某些C文档。
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