?? rmp2cntl.lst
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C:\TIC2XX\C2000\CGTOOLS\BIN\DSPA.EXE -q -v2xx -gs rmp2cntl.asm -o ..\obj\rmp2cntl.obj -l ..\temp\rmp2cntl.lst
TMS320C1x/C2x/C2xx/C5x COFF Assembler Version 7.00 Tue May 6 12:41:19 2003
Copyright (c) 1987-1999 Texas Instruments Incorporated
rmp2cntl.asm PAGE 1
1 ;=====================================================================================
2 ; File name: RMP2CNTL.ASM
3 ;
4 ; Originator: Digital Control Systems Group
5 ; Texas Instruments
6 ;
7 ; Description:
8 ; This file contains source for a ramp up and ramp down function.
9 ;=====================================================================================
10 ; History:
11 ;-------------------------------------------------------------------------------------
12 ; 9-15-2000 Release Rev 1.0
13 ;================================================================================
14 ; Applicability: F240,F241,C242,F243,F24xx. (Peripheral Independant).
15 ;
16 ;
17 ;================================================================================
18 ; Routine Name : RMP2CNTL Routine Type: C Callable.
19 ;
20 ; Description : This module implements a ramp up and ramp down function.
21 ;
22 ; C prototype : void rmp2_calc(RMP2 *p);
23 ;================================================================================
24 ; History Created July 26, 2000.
25 ;
26 ; Definition of RMP2:
27 ;
28 ; typedef struct RMP2{
29 ;
30 ; int max; /* Maximum value of Ramp2 */
31 ; int min; /* Minimum value of Ramp2 */
32 ; int dly; /* Ramp 2 step delay in number of sampling cycles */
33 ; int delay_cntr; /* Counter for ramp 2 step delay */
34 ; int desired; /* Desired value of ramp2 */
35 ; int out; /* Ramp2 output */
36 ; (int (*)(int))rmp2_calc) /* Pointer to the calculation function */
37 ; } ;
38 ;
39 ;================================================================================
40
41 0001 ON .set 1
42 0000 OFF .set 0
43 ;--------------------------------------------------------------------------------
44 0001 RETURN_ADDRESS_SAVE .set ON
45 ; If this function calls no other functions
46 ; set RETURN_ADDRESS_SAVE to OFF for
47 ; optimization.
48 ;--------------------------------------------------------------------------------
49 .def _rmp2_calc
50 ;================================================================================
51
52 0000 _rmp2_calc:
53
54 0001 __RMP2_framesize .set 0001h
TMS320C1x/C2x/C2xx/C5x COFF Assembler Version 7.00 Tue May 6 12:41:19 2003
Copyright (c) 1987-1999 Texas Instruments Incorporated
rmp2cntl.asm PAGE 2
55 ;--------------------------------------------------------------------------------
56 .if (RETURN_ADDRESS_SAVE=ON)
57 ; AR1 = stack pointer (SP)
58 ; AR0 = frame pointer (FP)
59 ; ARP = AR1
60
61 0000 8aa0 POPD *+ ; Save return address from hardware stack onto
62 ; the software stack.
63 .endif
64
65 0001 80a0 SAR AR0,*+ ; push AR0 (FP). ARP = AR1
66 0002 8180 SAR AR1,* ; *SP = SP. ARP = AR1
67 0003 b001 LAR AR0,#__RMP2_framesize ; FP = size of frame. ARP = AR1
68 0004 00ea LAR AR0,*0+,AR2 ; Allocate frame. AR0 = *AR1
69 ; AR1 = AR1 + AR0. ARP = AR2
70 ;================================================================================
71
72 .if(RETURN_ADDRESS_SAVE=ON)
73 0005 bf0a LAR AR2,#-3
0006 fffd
74 .endif
75
76 .if(RETURN_ADDRESS_SAVE=OFF)
77 LAR AR2,#-2
78 .endif
79
80 ;--------------------------------------------------------------------------------
81 0007 8be0 MAR *0+ ; AR2 -> passed parameter
82 ; (i.e. pointer to the structure).
83 ; ARP = AR2. AR2 = AR2 + AR0.
84 ;--------------------------------------------------------------------------------
85 0008 0380 LAR AR3,* ; AR3 points to the first structure member
86 ; (i.e. AR3 -> Max)
87 ; ARP = AR2.
88 ;--------------------------------------------------------------------------------
89 0009 048c LAR AR4,* ,AR4
90 ; ARP = AR4.
91 ; AR4 points to the first structure member
92 ; (i.e.AR4 -> Max)
93 ; AR3-> Max
94 ;--------------------------------------------------------------------------------
95 000a 7805 ADRK #5 ; ARP = AR4.
96 ; AR3-> Max. AR4-> Out.
97 ;--------------------------------------------------------------------------------
98 000b 108b LACC *,AR3 ; Accumulator = Out.
99 ; ARP = AR3. AR3-> Max. AR4-> Out
100 ;--------------------------------------------------------------------------------
101 000c 7804 ADRK #4 ; Points to Desired
102 ; ARP = AR3. AR3-> Desired AR4-> Out
103 ;--------------------------------------------------------------------------------
104 000d 3090 SUB *- ; Accumulator = Out - Desired.
105 ; ARP = AR3. AR3-> Delay_cntr. AR4-> Out.
106 ;-------------------------------------------------------------------------------
107 000e e388 BCND rmp2_calc_exit, EQ
TMS320C1x/C2x/C2xx/C5x COFF Assembler Version 7.00 Tue May 6 12:41:19 2003
Copyright (c) 1987-1999 Texas Instruments Incorporated
rmp2cntl.asm PAGE 3
000f 0030'
108 ; ARP = AR3. AR3-> Delay_cntr. AR4-> Out.
109 ; If(out == desired) go to RMP2_calc_exit.
110 ;--------------------------------------------------------------------------------
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