sci.asm

dsp320lf2407上的相关程序文件

*******************************************************
* TMS320C2x/C2xx/C5x ANSI C Codegen Version 7.00       
*******************************************************
;	C:\TIC2XX\C2000\CGTOOLS\BIN\DSPAC.EXE -v2xx sci.c C:\WINDOWS\TEMP\sci.if 
;	dspopt NOT RUN
;	C:\TIC2XX\C2000\CGTOOLS\BIN\DSPCG.EXE -o -v2xx -o C:\WINDOWS\TEMP\sci.if C:\WINDOWS\TEMP\sci.asm C:\WINDOWS\TEMP\sci.tmp 
	.port
	.file	"sci.c"
	.file	"f2407_c.h"
	.globl	_portFF0F
	.globl	_portFFFF
	.file	"sci.c"
	.globl	_port40
	.globl	_test_sci
	.text

	.sym	_sci_send,_sci_send,32,2,0
	.globl	_sci_send

	.func	15
;>>>> 	void sci_send(unsigned int data_to_send)
******************************************************
* FUNCTION DEF : _sci_send
******************************************************
_sci_send:

LF1	.set	0

	POPD	*+
	SAR	AR0,*+
	SAR	AR1,*
	LARK	AR0,1
	LAR	AR0,*0+,AR3

	.sym	_data_to_send,-3+LF1,14,9,16
	.line	2
L1:
	.line	3
;>>>> 		while((*SCICTL2&0x0080)==0);
	LARK	AR3,28756
	BIT	* ,8
	BBZ	L1
	.line	4
;>>>> 		*SCITXBUF=data_to_send;	
	MAR	* ,AR2
	LARK	AR2,-3+LF1
	MAR	*0+
	LAC	* ,AR3
	ADRK	5
	SACL	* 
	.line	5
;>>>> 		asm("	nop");
	nop
	.line	6
;>>>> 		asm("	nop");
	nop
	.line	7
;>>>> 		asm("	nop");
	nop
	.line	8
;>>>> 		asm("	nop");
	nop
EPI0_1:
	.line	9
	MAR	* ,AR1
	SBRK	2
	LAR	AR0,*-
	PSHD	*
	RET

	.endfunc	23,000000000H,1

	.sym	_sci_rec,_sci_rec,46,2,0
	.globl	_sci_rec

	.func	25
;>>>> 	unsigned int sci_rec(void)
******************************************************
* FUNCTION DEF : _sci_rec
******************************************************
_sci_rec:
	POPD	*+
	SAR	AR0,*+
	SAR	AR1,*
	LARK	AR0,1
	LAR	AR0,*0+,AR3

L2:
	.line	3
;>>>> 		while((*SCIRXST&0x0040)==0x0000);
	LARK	AR3,28757
	BIT	* ,9
	BBZ	L2
	.line	4
;>>>> 		return(*SCIRXBUF);
	ADRK	2
	ZALS	* 
EPI0_2:
	.line	5
	MAR	* ,AR1
	SBRK	2
	LAR	AR0,*-
	PSHD	*
	RET

	.endfunc	29,000000000H,1

	.sym	_sci_init,_sci_init,32,2,0
	.globl	_sci_init

	.func	32
;>>>> 	void sci_init(void)
******************************************************
* FUNCTION DEF : _sci_init
******************************************************
_sci_init:
	POPD	*+
	SAR	AR0,*+
	SAR	AR1,*
	LARK	AR0,1
	LAR	AR0,*0+,AR3

	.line	3
;>>>> 		*SCSR1=*SCSR1|0x0040;	/*enable SCI clock*/
	LARK	AR3,28696
	LACK	64
	OR	* 
	SACL	* 
	.line	5
;>>>> 		*SCICCR=0x0007;
	LACK	7
	ADRK	56
	SACL	*+
	.line	6
;>>>> 		*SCICTL1=0x0013;
	LACK	19
	SACL	* 
	.line	7
;>>>> 		*SCICTL2=0x0003;
	LACK	3
	ADRK	3
	SACL	* 
	.line	8
;>>>> 		*SCIHBAUD=(BAUD_9600/0x100);
	LACK	2
	SBRK	2
	SACL	*+
	.line	9
;>>>> 		*SCILBAUD=(BAUD_9600%0x100);
	LACK	8
	SACL	* 
	.line	10
;>>>> 		*SCICTL1=0x0033;
	LACK	51
	SBRK	2
	SACL	* ,AR1
EPI0_3:
	.line	11
	SBRK	2
	LAR	AR0,*-
	PSHD	*
	RET

	.endfunc	42,000000000H,1

	.sym	_test_sci,_test_sci,32,2,0
	.globl	_test_sci

	.func	46
;>>>> 	void test_sci(void)
******************************************************
* FUNCTION DEF : _test_sci
******************************************************
_test_sci:
	POPD	*+
	SAR	AR0,*+
	SAR	AR1,*
	LARK	AR0,1
	LAR	AR0,*0+,AR0

	.line	3
;>>>> 		LED = 0x00fb;
	LACK	251
	SACL	* 
	OUT	* ,040h,AR1
	.line	4
;>>>> 		sci_init();
;>>>> 		while(1)
;>>>> 			//sci_send(0x55);
;>>>> 			//asm("	nop");
	CALL	_sci_init
L3:
	.line	9
;>>>> 			sci_send(sci_rec());
	CALL	_sci_rec,AR1
	SACL	*+
	CALL	_sci_send
	MAR	*-
	.line	10
	B	L3
	.endfunc	57,000000000H,1
	.end