- UID
- 129404
- 性别
- 男
|
三星2410test中2410addr.h文件内有下面一个宏定义
#define ClearPending(bit) {\ rSRCPND = bit;\ rINTPND = bit;\ rINTPND;\ } //Wait until rINTPND is changed for the case that the ISR is very short.
例如使用 ClearPending(BIT_DMA0); // #define BIT_DMA0 (0x1<<17)
不理解 rINTPND;\ 这一行是什么意思? 忘各位大侠赐教!!谢谢!!!
|
|