📄 int.lst
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C51 COMPILER V7.00 INT 04/27/2004 15:58:57 PAGE 1
C51 COMPILER V7.00, COMPILATION OF MODULE INT
OBJECT MODULE PLACED IN int.OBJ
COMPILER INVOKED BY: C:\KEIL\C51\BIN\C51.EXE int.c BROWSE ORDER DEBUG OBJECTEXTEND TABS(8)
stmt level source
1 #include <reg51.h>
2 #include <string.h>
3
4 #include "macro.h"
5 #include "varmain.h"
6 #include "varint.h"
7
8 void P_InterruptInt0(void) interrupt 0 //调用D12中断服务子程序
9 {
10 1 unsigned int W_Reg;
11 1 SETBIT(B_D12_Lb,INT_ISR);
12 1 W_Reg = D12_ReadInterruptRegister();
13 1 if(W_Reg != 0)
14 1 {
15 2 if(W_Reg & D12_INT_BUSRESET) bus_reset();
16 2
17 2 if(W_Reg & D12_INT_EOT) dma_eot();
18 2
19 2 if(W_Reg & D12_INT_SUSPENDCHANGE) supend_change();
20 2
21 2 if(W_Reg & D12_INT_ENDP0IN) ep0_txdone();
22 2
23 2 if(W_Reg & D12_INT_ENDP0OUT) ep0_rxdone();
24 2
25 2 if(W_Reg & D12_INT_ENDP1IN) ep1_txdone();
26 2
27 2 if(W_Reg & D12_INT_ENDP1OUT) ep1_rxdone();
28 2
29 2 if(W_Reg & D12_INT_ENDP2IN) ep2_txdone();
30 2
31 2 if(W_Reg & D12_INT_ENDP2OUT) ep2_rxdone();
32 2 }
33 1 CLRBIT(B_D12_Lb,INT_ISR);
34 1 }
35
36
37 //总线复位中断服务子程序
38 void bus_reset(void)
39 {
40 1 //可添加用户代码(进行检测到总线复位的操作)
41 1 }
42
43 //DMA操作结束中断服务子程序
44 void dma_eot(void)
45 {
46 1 //可添加用户代码(进行检测DMA操作结束的操作)
47 1 }
48
49 //设备挂起改变
50 void supend_change(void)
51 {
52 1
53 1 }
54
55 //端点1输出中断操作
C51 COMPILER V7.00 INT 04/27/2004 15:58:57 PAGE 2
56 void ep1_txdone(void)
57 {
58 1 D12_ReadLastTransactionStatus(3);//复位中断寄存器
59 1 //可添加用户代码(进行检测端点号3IN令牌的操作)
60 1 }
61
62 //端点1输入中断操作
63 void ep1_rxdone(void)
64 {
65 1 unsigned char len;
66 1 D12_ReadLastTransactionStatus(2);//复位中断寄存器
67 1 len = D12_ReadEndpoint(2, sizeof(B_BufRdEnd1), &B_BufRdEnd1[0]);//读取端点1接收数据
68 1 if (len != 0) SETBIT(B_CommFlg,B_ReceEP1);//标志端点1接收到数据
69 1 }
70
71 //端点2输出中断操作
72 void ep2_txdone(void)
73 {
74 1 D12_ReadLastTransactionStatus(5);//复位中断寄存器
75 1 //可添加用户代码(进行检测端点号5IN令牌的操作)
76 1 }
77
78 //端点2输入中断操作
79 void ep2_rxdone(void)
80 {
81 1 unsigned char len;
82 1 D12_ReadLastTransactionStatus(4);//复位中断寄存器
83 1 len = D12_ReadEndpoint(4, sizeof(B_BufRdEnd2), &B_BufRdEnd2[0]);//读取端点2接收数据
84 1 if (len != 0) SETBIT(B_CommFlg,B_ReceEP2);//标志端点2接收到数据
85 1 }
86
87 void ep0_rxdone(void)
88 {
89 1 unsigned char ep_last, i;
90 1
91 1 ep_last = D12_ReadLastTransactionStatus(0); // Clear interrupt flag
92 1
93 1 if (ep_last & D12_SETUPPACKET) //是一个建立包
94 1 {
95 2 ControlData.wLength = 0;
96 2 ControlData.wCount = 0;
97 2 i = D12_ReadEndpoint(0,sizeof(ControlData.DeviceRequest),(unsigned char *)(&ControlData.DeviceRequest)
-);
98 2 if(i != sizeof(DEVICE_REQUEST))
99 2 {
100 3 D12_SetEndpointStatus(0, 1);
101 3 D12_SetEndpointStatus(1, 1);
102 3 B_Conrol_Stat = USB_IDLE;
103 3 return;
104 3 }
105 2 // Acknowledge setup here to unlock in/out endp
106 2 D12_AcknowledgeEndpoint(0);
107 2 D12_AcknowledgeEndpoint(1);
108 2 ControlData.wLength = ControlData.DeviceRequest.wLength;
109 2 ControlData.wCount = 0;
110 2
111 2 if (ControlData.DeviceRequest.bmRequestType & USB_ENDPOINT_DIRECTION_MASK)
112 2 {
113 3 SETBIT(B_D12_Lb,SETUP);
114 3 B_Conrol_Stat = USB_TRANSMIT; /* get command */
115 3 }
116 2 else
C51 COMPILER V7.00 INT 04/27/2004 15:58:57 PAGE 3
117 2 {
118 3 if (ControlData.DeviceRequest.wLength == 0)
119 3 {
120 4 SETBIT(B_D12_Lb,SETUP); /* set command */
121 4 B_Conrol_Stat = USB_IDLE;
122 4 }
123 3 else
124 3 {
125 4 if(ControlData.DeviceRequest.wLength > MAX_CONTROLDATA_SIZE) //有问题：应该是EP0_PACKET_SIZE
126 4 {
127 5 B_Conrol_Stat = USB_IDLE;
128 5 D12_SetEndpointStatus(0, 1);
129 5 D12_SetEndpointStatus(1, 1);
130 5 }
131 4 else
132 4 B_Conrol_Stat = USB_RECEIVE;
133 4 }
134 3 }
135 2
136 2 }
137 1 else if(B_Conrol_Stat == USB_RECEIVE)
138 1 {
139 2 i = D12_ReadEndpoint(0, EP0_PACKET_SIZE,ControlData.dataBuffer + ControlData.wCount);
140 2 ControlData.wCount += i;
141 2 if( i != EP0_PACKET_SIZE || ControlData.wCount >= ControlData.wLength)
142 2 {
143 3 SETBIT(B_D12_Lb,SETUP);
144 3 B_Conrol_Stat = USB_IDLE;
145 3 }
146 2 }
147 1 else
148 1 B_Conrol_Stat = USB_IDLE;
149 1 }
150
151
152 void ep0_txdone(void)
153 {
154 1 short i = ControlData.wLength - ControlData.wCount;
155 1 D12_ReadLastTransactionStatus(1); // Clear interrupt flag
156 1
157 1 if (B_Conrol_Stat != USB_TRANSMIT)
158 1 {
159 2 single_transmit(0, 0);
160 2 return;
161 2 }
162 1 if( i >= EP0_PACKET_SIZE)
163 1 {
164 2 D12_WriteEndpoint(1, EP0_PACKET_SIZE, ControlData.pData + ControlData.wCount);
165 2 ControlData.wCount += EP0_PACKET_SIZE;
166 2 B_Conrol_Stat = USB_TRANSMIT;
167 2 }
168 1 else if( i != 0)
169 1 {
170 2 D12_WriteEndpoint(1, i, ControlData.pData + ControlData.wCount);
171 2 ControlData.wCount += i;
172 2 B_Conrol_Stat = USB_IDLE;
173 2 }
174 1 else if (i == 0)
175 1 {
176 2 D12_WriteEndpoint(1, 0, 0); // Send zero packet at the end ???
177 2 B_Conrol_Stat = USB_IDLE;
178 2 }
C51 COMPILER V7.00 INT 04/27/2004 15:58:57 PAGE 4
179 1 }
180
MODULE INFORMATION: STATIC OVERLAYABLE
CODE SIZE = 615 ----
CONSTANT SIZE = ---- ----
XDATA SIZE = ---- ----
PDATA SIZE = ---- ----
DATA SIZE = ---- 5
IDATA SIZE = ---- ----
BIT SIZE = ---- ----
END OF MODULE INFORMATION.
C51 COMPILATION COMPLETE. 0 WARNING(S), 0 ERROR(S)
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