main.asm

此程序为usb的驱动程序代码

;MBF200 Solid State Fingerprint Sensor
;WangXiaoMing
;2003.5.1
;main module
;======================== main.asm =========================
;       
		.mmregs
		.global _c_int00
		
		.include c54.inc  
		
		.ref io_map
		
		.ref c54init
		.ref userinit
		.ref sensor_init
		.ref usb_read
		.ref card,IC_COLD_RST,IC_WARM_RST,BUFFER,W0_IC,R0_IC
				
        .sect "progsys"
        .align  0x10
_c_int00:    
        STM #0x0f80,SP           	
		CALL c54init
		CALL userinit
		CALL sensor_init
		nop
		nop
**********************************************************		
		B loop				;跳过CPU卡测试
		CALL IC_COLD_RST
		CALL usb_read
		NOP
		NOP
		STM #BUFFER,AR0
		STM #2,AR2
		CALL W0_IC
		NOP
		NOP
		STM #(BUFFER+0X20),AR0
		STM #1,AR2
		CALL R0_IC
**********************************************************
		 
		
		
		
loop:	
		NOP
		NOP
		CALL card
		NOP
		NOP
        B loop
        .end