epp.h

93c46(56,66)的读写程序,包含有读写一个字节

ext void read_eep();
ext void wen_eep();
ext void wds_eep();
ext void eral_eep();
ext void prog_eep();
ext void ep_poweron();
ext void ep_poweroff();
ext void enable_ep();
ext void out_ep8bit();
ext void out_ep16bit(uint send_d);
ext uchar in_ep8bit();
ext uint in_ep16bit();
ext void disable_ep();
ext void ep_clk();
ext void ep_clk8();
ext void read_eep_data(uchar addr, uchar type, uchar *out );
ext void write_eep_data(uchar addr, uchar type, uchar *out );
ext void write_eep_word(uchar addr , uchar *out);
ext void delay_us(uint dd);
ext void out_epdata(uint send_d,uchar nbit );
ext uint cal_chksum(uchar *p, uint cnt);
ext void set_epp_opcode_addr(uint opcode, uint addr);
ext void set_read_epp_addr(uint addr);
ext uint read_epp_ptr(uint addr, uchar *ptr, uint cnt);
ext uint write_epp_ptr(uint addr, uchar *ptr, uint cnt);

ext uchar ep_device;
ext uchar tx_data;
ext uchar ep_data;
ext uint ep_opcode ;