?? interrupt.lst
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C51 COMPILER V7.05 INTERRUPT 10/18/2006 16:44:42 PAGE 1
C51 COMPILER V7.05, COMPILATION OF MODULE INTERRUPT
OBJECT MODULE PLACED IN interrupt.OBJ
COMPILER INVOKED BY: C:\SiLabs\MCU\IDEfiles\C51\BIN\C51.exe interrupt.c DB OE
stmt level source
1 #include "C8051F330.H"
2 #include "IR_Rx_Tx.h"
3
4 extern unsigned char DataAvailByte;
5 extern int IR_Key;
6 extern char IRsampData[40];
7 extern char SampNo;
8 extern char SampNoData;
9 extern BOOL bAddrRecv;
10 extern unsigned char* pSMB_DATA_OUT;
11 extern unsigned char SMB_DATA_LEN;
12
13 unsigned char i_Tx;
14
15 //-----------------------------------------------------------------------------
16 // SMBus Interrupt
17 //-----------------------------------------------------------------------------
18 void Interrupt_SMBus(void) interrupt 7
19 {
20 1 switch (SMB0CN & 0xF0) // Status vector
21 1 {
22 2 //static char i;
23 2 static unsigned char AddrTemp;
24 2
25 2 // Detect a START condition and a slave address.
26 2 case SMBus_DetectSTA:
27 2 STA = 0;
28 2 ACK = 0;
29 2 AddrTemp = 0;
30 2 AddrTemp = SMB0DAT;
31 2 if((SMB0DAT&0xFE)==0xE0)
32 2 {
33 3 ACK = 1;
34 3 SMB0DAT = 0x55;
35 3 }
36 2 if((SMB0DAT&0xFE)==0xE2) // The address received is correct
37 2 {
38 3 ACK = 1;
39 3 SMB0DAT = DataAvailByte; // transmitt DataAvailByte
40 3 }
41 2 if((SMB0DAT&0xFE)==0xE4)
42 2 {
43 3 ACK = 1;
44 3 i_Tx = 0;
45 3 SMB0DAT = *pSMB_DATA_OUT;
46 3 pSMB_DATA_OUT++;
47 3 i_Tx++;
48 3 }
49 2
50 2 break;
51 2
52 2
53 2 // A slave byte was received
54 2 case SMBus_RxData:
55 2
C51 COMPILER V7.05 INTERRUPT 10/18/2006 16:44:42 PAGE 2
56 2
57 2 break;
58 2
59 2
60 2 // A slave byte was transmitted and Validate the ACK
61 2 case SMBus_TxData:
62 2 if(ACK)
63 2 {
64 3 if(AddrTemp==SMBus_FlagAddress)
65 3 ;
66 3 else if(AddrTemp==SMBus_DeviceAddress)
67 3 ;
68 3
69 3 else if(AddrTemp==SMBus_DataAddress)
70 3 {
71 4 if(i_Tx<SMB_DATA_LEN)
72 4 {
73 5 SMB0DAT = *pSMB_DATA_OUT;
74 5 pSMB_DATA_OUT++;
75 5 i_Tx++;
76 5 }
77 4 if(i_Tx==SMB_DATA_LEN)
78 4 {
79 5 DataAvailByte = FALSE;
80 5 pSMB_DATA_OUT = IRsampData;
81 5 i_Tx = 0;
82 5 }
83 4 }
84 3 }
85 2 else
86 2 {
87 3 if(i_Tx==SMB_DATA_LEN)
88 3 {
89 4 DataAvailByte = FALSE;
90 4 }
91 3 pSMB_DATA_OUT = IRsampData;
92 3 i_Tx = 0;
93 3 }
94 2
95 2 break;
96 2
97 2
98 2 // Detect a STOP condition ---- No action need to do
99 2 case SMBus_TxSTO:
100 2 DataAvailByte = FALSE;
101 2 break;
102 2
103 2 case SMBus_RxSTO:
104 2
105 2 STO = 0; // STO must be cleared by software when
106 2 // a STOP is detected as a slave
107 2
108 2 break;
109 2
110 2 default:
111 2 SMB0CN &= ~0x40; // Reset communication
112 2 SMB0CN |= 0x40;
113 2 ACK = 0;
114 2 STA = 0;
115 2 STO = 1;
116 2 break;
117 2
C51 COMPILER V7.05 INTERRUPT 10/18/2006 16:44:42 PAGE 3
118 2 }
119 1
120 1 SI = 0;
121 1 }
122
123
124
125
126
MODULE INFORMATION: STATIC OVERLAYABLE
CODE SIZE = 264 ----
CONSTANT SIZE = ---- ----
XDATA SIZE = ---- ----
PDATA SIZE = ---- ----
DATA SIZE = 2 ----
IDATA SIZE = ---- ----
BIT SIZE = ---- ----
END OF MODULE INFORMATION.
C51 COMPILATION COMPLETE. 0 WARNING(S), 0 ERROR(S)
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