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lm vic vi th vin FasFs bn kt ni cc chn ng chun ca SPI ( ci ny tham kho trn KIT LM3S8962 ca TI l chun nht ). Th vin Fatfs v cc hm config bn c th tham kho trong StellarisWare\third_party\fatfs\port\mmc-ek-lm3s8962.cMt s hm c bn theo th t s dng :disk_initialize : Hm khi to lm vic vi th, kim tra chip c nhn c th hay khng hm nyf_mount : Khi to vng lm vic trn th nh.f_open : M file cn thao tcv dFIL fdst;f_open(&fdst;, "0:data.txt", FA_CREATE_ALWAYS | FA_WRITE); M file data.txt trong th nh, nu file ny khng tn ti th to file mi
f_lseek : Xc nh v tr con tr hin ti trong file. V d file data.txt c d liu, bn mun ghi thm d liu vo file ny th cn phi xc nh trc hin ti con tr ang u ghi tip.
Sau khi m c file th bn cn ghi d liu hoc sa xa ...Cc hm ghi, khi ghi th coi nh xaf_putc : ghi k tf_puts : ghi chuif_printf : ghi chui theo nh dng v d f_printf(&fdst,"Hello");
Sau khi lm vic xong th bn ng filef_close