📄 function.asm

📁 holtek usb音频IC应用DEMO汇编语言源程序。
💻 ASM
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;*********************************************************************
;	Functin Library
;	Author : Ansonku
;	EMail  : ansonku@holtek.com.tw
;	Date   : 2005/01/11
;*********************************************************************
#include		ht82a832r.inc
#include		const.inc
;=====================================================================
;	Descriptor Label
;=====================================================================
;2005/11/01  ClearFeature_Endpoint add Send_Hand_Shake 
;
;
;
;
;
;
;
;





extern			control_read_table:NEAR        
extern			device_desc_table:NEAR         
extern			config_desc_table:NEAR         

extern			end_config_desc_table:NEAR  
extern			hid_report_desc_table:NEAR
extern			end_hid_report_desc_table:NEAR

extern			USBStringLanguageDescription:NEAR
extern			USBStringDescription1:NEAR
extern			USBStringDescription2:NEAR
extern			USBStringDescription3:NEAR
extern			HID_Desc:NEAR

extern			config_desc_length:NEAR
extern			hid_desc_length:NEAR
extern			report_desc_length:NEAR


extern			USB_EP0_ISR_END:NEAR

;=====================================================================
;	External Variable
;=====================================================================

;modify 2006-09-22
extern		FIFO_SIZE:byte
;-----------------------------
extern		FIFO_SendLen:byte
extern		FIFO_Type:byte
extern		FIFO_Request:byte
extern		FIFO_wValueL:byte
extern		FIFO_wValueH:byte
extern		FIFO_wIndexL:byte
extern		FIFO_wIndexH:byte
extern		FIFO_wLengthL:byte
extern		FIFO_wLengthH:byte

extern		FIFO_Out1:byte
extern		FIFO_Out2:byte
extern		FIFO_Out3:byte
extern		FIFO_Out4:byte
extern		FIFO_Out5:byte
extern		FIFO_Out6:byte
extern		FIFO_Out7:byte
extern		FIFO_Out8:byte

extern		USB_Interface:byte
extern		USB_Interface_Alt:byte
extern		USB_Configuration:byte

extern		FIFO_ADDR:byte



extern		Loop_Counter:byte
extern		Data_Count:byte
extern		Data_Start:byte


extern		nCmdIndex1:byte
extern		nCmdIndex2:byte
extern		nCmdIndex3:byte
extern		VolumeH_Save:byte
extern		VolumeL_Save:byte
extern		bFlag_Audio_Mute:bit
;modify 2006-09-28
extern		bFlag_Mic_Mute:bit

;=====================================================================
;	FIFO Status
;=====================================================================

;FIFO
extern		FIFO_TEMP:byte
extern		bFlag_Real_Cmd:bit
extern		bFlag_FIFO_Ready:bit
extern		bFlag_FIFO_LEN0:bit
extern		bFlag_RD_HTable:bit
extern		bFlag_wait_control_out:bit
extern		bFlag_SET_ADDRESS:bit
extern		bFlag_SCMD:bit
extern		bFlag_Enum_Ready:bit

extern		bFlag_SetConfiguration_Ready:bit
extern		bFlag_SetInterface_Ready:bit

extern		StageOne:NEAR
extern		USB_ISR_END:NEAR
;********************************************************************
;		USB	 LIB  
;		1.CHECK FIFOX RD READEY? bFlag_FIFO_Ready = 1:bFlag_FIFO_Ready = 0
;********************************************************************
FIFO0_RD_CHECK:
		MOV		A,UCC
		OR		A,00000111b
		AND		A,11111000b
		MOV		UCC,A
		
		MOV		A,00000000b
		JMP		FIFO_CHECK
FIFO1_RD_CHECK:
		MOV		A,UCC
		OR		A,00000111b
		AND		A,11111001b
		MOV		UCC,A

		MOV		A,00000000b
		JMP		FIFO_CHECK
FIFO2_RD_CHECK:
		MOV		A,UCC
		OR		A,00000111b
		AND		A,11111010b
		MOV		UCC,A

		MOV		A,00000000b
		JMP		FIFO_CHECK
FIFO3_RD_CHECK:
		MOV		A,UCC
		OR		A,00000111b
		AND		A,11111011b
		MOV		UCC,A
		
		MOV		A,00000000b
		JMP		FIFO_CHECK
FIFO4_RD_CHECK:
		MOV		A,UCC
		OR		A,00000111b
		AND		A,11111100b
		MOV		UCC,A
		
		MOV		A,00000000b
		JMP		FIFO_CHECK

FIFO5_RD_CHECK:
		MOV		A,UCC
		OR		A,00000111b
		AND		A,11111101b
		MOV		UCC,A
		
		MOV		A,00000000b
		JMP		FIFO_CHECK
;********************************************************************
;		USB	 LIB  
;		1.CHECK FIFOX WR READEY ?  bFlag_FIFO_Ready = 1:bFlag_FIFO_Ready = 0
;********************************************************************

;LEN0 ready to write??
LEN0_WR_CHECK:
;CHECK FIFOX ready to write?
FIFO0_WR_CHECK:
		MOV		A,UCC
		OR		A,00000111b
		AND		A,11111000b
		MOV		UCC,A
		
		MOV		A,00000010b
		JMP		FIFO_CHECK
FIFO1_WR_CHECK:
		MOV		A,UCC
		OR		A,00000111b
		AND		A,11111001b
		MOV		UCC,A

		MOV		A,00000010b
		JMP		FIFO_CHECK
FIFO2_WR_CHECK:
		MOV		A,UCC
		OR		A,00000111b
		AND		A,11111010b
		MOV		UCC,A

		MOV		A,00000010b
		JMP		FIFO_CHECK
FIFO3_WR_CHECK:
		MOV		A,UCC
		OR		A,00000111b
		AND		A,11111011b
		MOV		UCC,A
		
		MOV		A,00000010b
		JMP		FIFO_CHECK
FIFO4_WR_CHECK:
		MOV		A,UCC
		OR		A,00000111b
		AND		A,11111100b
		MOV		UCC,A
		
		MOV		A,00000010b
		JMP		FIFO_CHECK

FIFO5_WR_CHECK:
		MOV		A,UCC
		OR		A,00000111b
		AND		A,11111101b
		MOV		UCC,A
		
		MOV		A,00000010b
		JMP		FIFO_CHECK

FIFO_CHECK:
		clr wdt	
		MOV		FIFO_TEMP,A
		MOV		A,USB_MISC
		MOV		MP1,A
		MOV		A,R1
		AND		A,11111000b
		OR		A,FIFO_TEMP
		MOV		R1,A
		CALL		Delay_3us
		SET		R1.@MISC_REQ			;set request
		CALL		Delay_28us
		SET		bFlag_FIFO_Ready
		SNZ		R1.@MISC_Ready
		CLR		bFlag_FIFO_Ready	;if MISC.Ready = 1 -> bFlag_FIFO_Ready = 1
		SET		bFlag_FIFO_LEN0
		SNZ		R1.@MISC_LEN0
		CLR		bFlag_FIFO_LEN0

		;;SZ		bFlag_FIFO_Ready
		clr		MISC.@MISC_REQ
		clr wdt	
		RET

;modify 2006-09-22
ReadLen0:
		MOV		A,USB_FIFO0
		MOV		MP1,A
		MOV		A,R1
		NOP
		JMP		Read_FIFO_END
Read_FIFO0:
		MOV		A,USB_FIFO0_SIZE
		MOV		FIFO_SIZE,A
		MOV		A,USB_FIFO0
		JMP		Read_FIFO
Read_FIFO1:
		MOV		A,USB_FIFO1_SIZE
		MOV		FIFO_SIZE,A
		MOV		A,USB_FIFO1
		JMP		Read_FIFO
Read_FIFO2:
		MOV		A,USB_FIFO2_SIZE
		MOV		FIFO_SIZE,A
		MOV		A,USB_FIFO2
		JMP		Read_FIFO
Read_FIFO3:
		MOV		A,USB_FIFO3_SIZE
		MOV		FIFO_SIZE,A
		MOV		A,USB_FIFO3
		JMP		Read_FIFO
Read_FIFO4:
		MOV		A,USB_FIFO4_SIZE
		MOV		FIFO_SIZE,A
		MOV		A,USB_FIFO4
		JMP		Read_FIFO
Read_FIFO5:
		MOV		A,USB_FIFO5_SIZE
		MOV		FIFO_SIZE,A
		MOV		A,USB_FIFO5
		JMP		Read_FIFO

Read_FIFO:
		SET		MISC.@MISC_REQ

		MOV		FIFO_TEMP,A		;FIFO_TEMP SAVE FIFOX ADDRESS
		CLR		FIFO_SendLen
		MOV		A,OFFSET FIFO_Type
		MOV		MP0,A
Read_FIFO_Loop:
		MOV		A,FIFO_TEMP
		MOV		MP1,A
		MOV		A,R1
		MOV		R0,A
		INC		FIFO_SendLen
		INC		MP0
		MOV		A,FIFO_SIZE
		XOR		A,FIFO_SendLen
		SZ		Z				;1=FIFO_SIZE=FIFO_SendLen
		JMP		Read_FIFO_End
		MOV		A,USB_MISC
		MOV		MP1,A
		CALL		Delay_28us
		SZ		R1.@MISC_Ready
		JMP		Read_FIFO_LOOP
		JMP		Read_FIFO_End

Send_Hand_Shake:
Send_Hand_Shake_wait:
		; protect die loop
		call		Check_Real_Cmd
		sz		bFlag_Real_Cmd
		;jmp		USB_EP0_ISR_END
		ret				;modify by 2006-02-16

		CALL		FIFO0_WR_CHECK
		SNZ		bFlag_FIFO_Ready
		JMP		Send_Hand_Shake_wait

		set		MISC.@MISC_REQ
WriteLen0:
Write_FIFO_OK:
Read_FIFO_End:
		MOV		A,USB_MISC
		MOV		MP1,A
		MOV		A,(01H SHL @MISC_TX)		;Change TX State
		;CLR		INTC0.0
		XORM		A,R1
		CALL		Delay_3us
		CLR		R1.@MISC_REQ
		;SET		INTC0.0
		RET
;============================================================
;Function:Write FIFOx from FIFO_OUTx
;============================================================
Write_FIFO0:
		MOV		A,USB_FIFO0
		JMP		Write_FIFO
Write_FIFO1:
		MOV		A,USB_FIFO1
		JMP		Write_FIFO
Write_FIFO2:
		MOV		A,USB_FIFO2
		JMP		Write_FIFO
Write_FIFO3:
		MOV		A,USB_FIFO3
		JMP		Write_FIFO
Write_FIFO4:
		MOV		A,USB_FIFO4
		JMP		Write_FIFO
Write_FIFO5:
		MOV		A,USB_FIFO5
		JMP		Write_FIFO

Write_FIFO:
		clr wdt	
		SET		MISC.@MISC_REQ
		MOV		FIFO_TEMP,A		;FIFO NO Address
		MOV		A,OFFSET FIFO_OUT1
		MOV		MP0,A
Write_FIFO_Loop:
		clr wdt	
		MOV		A,FIFO_SendLen
		XOR		A,00H
		SZ		Z
		JMP		Write_FIFO_End
		
		MOV		A,FIFO_TEMP
		MOV		MP1,A
		MOV		A,R0
		MOV		R1,A
		DEC		FIFO_SendLen
		MOV		A,FIFO_SendLen
		XOR		A,00H
		SZ		Z
		JMP		Write_FIFO_End		;FIFO_SendLen=0
💿 文件大小 107 K
👤 上传用户 yuexiaolin12345
📂 所属分类汇编语言
🏷️ 相关标签

#holtek #DEMO #usb #IC应用
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