ä¸.驱å¨ç¼è¯å°å
æ ¸
1.å
éæ©ä¸ä¸ªæ¾ç½®é©±å¨ä»£ç çä½ç½®ï¼ä¾ï¼drivers/char/xxx.c
2.å¨drivers/char/Kconfigæ件添å 以ä¸å
容ï¼
menu " xxx support"
config xxx
tristate "xxx support"
---help---
xxx use gpio as ir input .
If you want xxx support, you should say Y here and also to the
specific driver for your bus adapter(s) below.
This xxx support can be built as a module.
endmenu
3.ç¼åMakefile,ä½ç½®ä¸ä¸ç¸å(drivers/char/),å
容å¦ä¸ï¼
obj-$(CONFIG_xxx) += xxx.o //é»è²xxxä¸ä¸é¢Kconfigä¸çxxxç¸åï¼è红è²xxxåºä¸
驱å¨xxx.cçå½åç¸å
4.ä¿®æ¹ä¸ä¸çº§MakefileåKconfig //æ ¹æ®èªå·±é©±å¨çä½ç½®åç¸åºçä¿®æ¹ï¼åèä¸çº§çMak_
efileåKconfigçå
容
è³æ¤ï¼ä¿®æ¹å®æ¯ï¼æ¤æ¶ä½ å¯ä»¥ä½¿ç¨make menuconfigï¼åç°å·²æ xxx support ---> é项ï¼è¿å
¥åéæ©Mï¼åmake modulesï¼å°charç®å½ä¸ï¼å·²çæxxx.koã
æåï¼åè¿å
¥make menuconfig ,éæ© xxx support,ç¼è¯è¿å
æ ¸.
äº. 驱å¨ä½æ模åå è½½
ä¸è¬å¨å¼åæ¶éç¨è¿ç§æ¹å¼æ¯è¾æ¹ä¾¿ï¼æ éæ¯æ¬¡é½è¦éè¿tftpä¸è½½å
æ ¸ï¼nfså»æè½½æ ¹æ件系ç»ï¼æ们åªéè¦æ驱å¨ä½ä¸ºæ¨¡åï¼å¨æ¬å°èææºä¸å®ææä½ã
1>.模åå¶ä½
a.驱å¨ç¼è¯
æ xxx.cæ件æ¾å
¥drivers/charåç®å½ä¸ï¼ä¿®æ¹drivers/char/Makefile
obj-m += xxx.o
ç¶åï¼
make modules,çæ模åé½ drivers/char/xxx.ko
åæ xxx.ko æ¾å°åæ¿æ ¹æ件系ç»ç/lib/modules/2.6.14.1(èªå·±çå
æ ¸çæ¬)/ç®å½ä¸
b.驱å¨æµè¯
ç¼åæµè¯ä»£ç åMakefileæ件ï¼makeåï¼æçææ件æ¾å¨åæ¿è·æ件系ç»/usr/bin/ç®å½ä¸
2>.è°è¯
å¨æ ¹æ件系ç»ä¸å»ºç«è®¾å¤æ件ï¼
# mknod /dev/buttons c 232 0
å 载模å
# insmod s3c24xx_buttons
å¸è½½æ¨¡å
# rmmod s3c24xx_buttons
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