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这些GEL语句到底什么意思

GEL_MapAdd(0x0000C0,0,0x00FF40,1,1); /* DARAM */
GEL_MapAdd(0x010000,0,0x030000,1,1); /* SARAM */
GEL_MapAdd(0x040000,0,0x3C0000,1,1); /* External CE0 */
GEL_MapAdd(0x400000,0,0x400000,1,1); /* External CE1 */
GEL_MapAdd(0x800000,0,0x400000,1,1); /* External CE2 */
/* For MP/MC=1  */
GEL_MapAdd(0xC00000,0,0x400000,1,1); /* External CE3 */
// GEL_MapAdd(0x200000,1,0x200000,1,1); /* External CE1 */

/* Data Space */
GEL_MapAdd(0x000000,1,0x000050,1,1); /* MMRs */
GEL_MapAdd(0x000060,1,0x007FA0,1,1); /* DARAM */
GEL_MapAdd(0x008000,1,0x018000,1,1); /* SARAM */
GEL_MapAdd(0x020000,1,0x1E0000,1,1); /* External CE0 */
GEL_MapAdd(0x200000,1,0x200000,1,1); /* External CE1 */
GEL_MapAdd(0x400000,1,0x200000,1,1); /* External CE2 */
/* For MP/MC=1 */
GEL_MapAdd(0x600000,1,0x200000,1,1); /* External CE3 */
我的DSP开发板上用CPLD扩展IO口,CPLD程序写入了,用的CE1,CE2空间,
但是控制LED灯程序老是不对,一个高手说跟上面的配置有关系。
请问论坛的高手,上面什么意思?
特别是这句:
GEL_MapAdd(0x200000,1,0x200000,1,1); /* External CE1 */
谢谢!