📄 isr.lst
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C51 COMPILER V6.12 ISR 12/16/2004 20:32:07 PAGE 1
C51 COMPILER V6.12, COMPILATION OF MODULE ISR
OBJECT MODULE PLACED IN E:\MCU\USB_FIRM\ISR.OBJ
COMPILER INVOKED BY: C:\COMP51\C51.EXE E:\MCU\USB_FIRM\ISR.C DB SB OE
stmt level source
1 #include "D12ci.h"
2
3 EPPFLAGS bEPPflags;
4 CONTROL_XFER ControlData;
5 unsigned char idata OutBuf[EP1_PACKET_SIZE];
6 unsigned char idata ControlWord[2];
7
8 extern unsigned char D12_WriteEndpoint_ISR(unsigned char endp, unsigned char len,unsigned char * buf); //r
-eentrant
9
10
11 void myisr(void)
12 {
13 1 unsigned int i_st;
14 1 bEPPflags.bits.in_isr=1;
15 1 i_st=D12_ReadInterruptRegister();//读中断寄存器
16 1
17 1 if(i_st!=0)
18 1 {
19 2 // if(i_st&D12_INT_BUSRESET)
20 2 // bEPPflags.bits.bus_reset=1;
21 2 // if(i_st&D12_INT_EOT)
22 2 // dma_eot();//DMA传输结束
23 2 // if(i_st&D12_INT_SUSPENDCHANGE)
24 2 // bEPPflags.bits.suspend=1;//挂起改变
25 2 if(i_st&D12_INT_ENDP0IN)
26 2 ep0_txdone();//端点0 IN中断
27 2 if(i_st&D12_INT_ENDP0OUT)
28 2 ep0_rxdone();//端点0 OUT中断
29 2 if(i_st&D12_INT_ENDP1IN)
30 2 ep1_txdone();//端点1 IN中断
31 2 if(i_st&D12_INT_ENDP1OUT)
32 2 ep1_rxdone();//端点1 OUT中断
33 2 if(i_st&D12_INT_ENDP2IN)
34 2 ep2_txdone();//端点2 IN中断
35 2 if(i_st&D12_INT_ENDP2OUT)
36 2 ep2_rxdone();//端点2 OUT中断
37 2 }
38 1
39 1 bEPPflags.bits.in_isr=0;
40 1 }
41
42
43 void ep0_rxdone()
44 {
45 1 unsigned char ep_last,i;
46 1 ep_last=D12_ReadLastTransactionStatus(0);//清中断标志
47 1 if(ep_last & D12_SETUPPACKET)//接收到setup包
48 1 {
49 2 ControlData.wLength=0;
50 2 ControlData.wCount=0;
51 2 if(D12_ReadEndpoint(0,sizeof(ControlData.DeviceRequest),
52 2 (unsigned char*)(&(ControlData.DeviceRequest)))!=sizeof(DEVICE_REQUEST))
53 2 {
54 3 //setup包出错，返回
C51 COMPILER V6.12 ISR 12/16/2004 20:32:07 PAGE 2
55 3 D12_SetEndpointStatus(0,1);
56 3 D12_SetEndpointStatus(1,1);
57 3 bEPPflags.bits.control_state=USB_IDLE;
58 3 return;
59 3 }
60 2 //数据高低字节交换，因为USB数据结构和KeilC51的不同，所以交换
61 2 ControlData.DeviceRequest.wValue=SWAP(ControlData.DeviceRequest.wValue);
62 2 ControlData.DeviceRequest.wIndex=SWAP(ControlData.DeviceRequest.wIndex);
63 2 ControlData.DeviceRequest.wLength=SWAP(ControlData.DeviceRequest.wLength);
64 2 //对控制端点的输入输出进行应答
65 2 D12_AcknowledgeEndpoint(0);
66 2 D12_AcknowledgeEndpoint(1);
67 2 ControlData.wLength=ControlData.DeviceRequest.wLength;
68 2 ControlData.wCount=0;
69 2
70 2 if(ControlData.DeviceRequest.bmRequestType &
71 2 (unsigned char)USB_ENDPOINT_DIRECTION_MASK)
72 2 {//从主机传输数据
73 3 bEPPflags.bits.setup_packet=1;
74 3 bEPPflags.bits.control_state=USB_TRANSMIT;
75 3 }
76 2 else
77 2 {
78 3 if(ControlData.DeviceRequest.wLength==0)
79 3 {
80 4 bEPPflags.bits.setup_packet=1;
81 4 bEPPflags.bits.control_state=USB_IDLE;
82 4 }
83 3 else
84 3 {
85 4 if(ControlData.DeviceRequest.wLength>MAX_CONTROLDATA_SIZE)
86 4 {//接收数据长度为0
87 5 bEPPflags.bits.control_state=USB_IDLE;
88 5 D12_SetEndpointStatus(0,1);
89 5 D12_SetEndpointStatus(1,1);
90 5 }
91 4 else
92 4 bEPPflags.bits.control_state=USB_RECEIVE;
93 4 }
94 3 }
95 2 }
96 1 else if(bEPPflags.bits.control_state==USB_RECEIVE)
97 1 {//接收数据
98 2 i=D12_ReadEndpoint(0,EP0_PACKET_SIZE,ControlData.dataBuffer+ControlData.wCount);
99 2 ControlData.wCount+=i;
100 2 if(i!=EP0_PACKET_SIZE||ControlData.wCount>=ControlData.wLength)
101 2 {//数据接收完毕
102 3 bEPPflags.bits.setup_packet=1;
103 3 bEPPflags.bits.control_state=USB_IDLE;
104 3 }
105 2 }
106 1 else
107 1 bEPPflags.bits.control_state=USB_IDLE;//进入等待状态
108 1 }
109
110 //端点0 IN处理
111 void ep0_txdone(void)
112 {
113 1 short i=ControlData.wLength-ControlData.wCount;
114 1 D12_ReadLastTransactionStatus(1);//清中断标志位
115 1 if(bEPPflags.bits.control_state!=USB_TRANSMIT)
116 1 return;//非发送态，返回
C51 COMPILER V6.12 ISR 12/16/2004 20:32:07 PAGE 3
117 1 if(i>=EP0_PACKET_SIZE)
118 1 {//剩下数据大于16B，发送16B
119 2 D12_WriteEndpoint_ISR(1,EP0_PACKET_SIZE,ControlData.pData+ControlData.wCount);
120 2 ControlData.wCount+=EP0_PACKET_SIZE;
121 2 bEPPflags.bits.control_state=USB_TRANSMIT;
122 2 }
123 1 else if(i!=0)
124 1 {//发送剩下的数据
125 2 D12_WriteEndpoint_ISR(1,i,ControlData.pData+ControlData.wCount);
126 2 ControlData.wCount+=i;
127 2 bEPPflags.bits.control_state=USB_IDLE;
128 2 }
129 1 else if(i==0)
130 1 {
131 2 D12_WriteEndpoint_ISR(1,0,0);//发送完毕，发送0B的数据包
132 2 bEPPflags.bits.control_state=USB_IDLE;
133 2 }
134 1 }
135
136 //端点1 IN处理
137 void ep1_txdone(void)
138 {
139 1 D12_ReadLastTransactionStatus(3);//清中断标志位
140 1 }
141
142 //端点1 OUT处理
143 void ep1_rxdone(void)
144 {
145 1 unsigned char len;
146 1 D12_ReadLastTransactionStatus(2);//清中断标志位
147 1 len=D12_ReadEndpoint(2,2,ControlWord);
148 1 //len=D12_ReadEndpoint(2,sizeof(OutBuf),OutBuf);//读数据
149 1 if(len!=0)
150 1 bEPPflags.bits.ep1_rxdone=1;//标志接收到数据
151 1
152 1 }
153
154 //主端点IN控制
155 void ep2_txdone(void)
156 {
157 1 D12_ReadLastTransactionStatus(5);//清中断标志位
158 1 }
159
160 //主端点OUT控制
161 void ep2_rxdone(void)
162 {
163 1 unsigned char len;//,epstatus;
164 1 D12_ReadLastTransactionStatus(4);//清中断标志位
165 1 //// epstatus=D12_ReadEndpointStatus(4);//读取缓冲区状态
166 1 //// epstatus &=0x60;
167 1 //接收数据
168 1 len=D12_ReadEndpoint(4,sizeof(OutBuf),OutBuf);//读数据
169 1 //len=D12_ReadEndpoint(4,2,ControlWord);
170 1 if(len!=0)
171 1 bEPPflags.bits.ep2_rxdone=1;
172 1 // //if(epstatus==0x60)
173 1 // // len=D12_ReadEndpoint(4,64,EpBuf);//读取双缓冲区中数据
174 1 }
175
176
C51 COMPILER V6.12 ISR 12/16/2004 20:32:07 PAGE 4
NAME CLASS MSPACE TYPE OFFSET SIZE
==== ===== ====== ==== ====== ====
ep2_txdone . . . . . . . . . . . . . . PUBLIC CODE PROC 0000H -----
ControlWord. . . . . . . . . . . . . . PUBLIC IDATA ARRAY 0000H 2
_D12_WriteEndpoint_ISR . . . . . . . . EXTERN CODE PROC ----- -----
_D12_ReadLastTransactionStatus . . . . EXTERN CODE PROC ----- -----
_epp_flags . . . . . . . . . . . . . . * TAG * ----- UNION ----- 2
bits . . . . . . . . . . . . . . . . MEMBER ----- STRUCT 0000H 2
value. . . . . . . . . . . . . . . . MEMBER ----- U_INT 0000H 2
_D12_AcknowledgeEndpoint . . . . . . . EXTERN CODE PROC ----- -----
D12_ReadInterruptRegister. . . . . . . EXTERN CODE PROC ----- -----
_D12_ReadEndpoint. . . . . . . . . . . EXTERN CODE PROC ----- -----
myisr. . . . . . . . . . . . . . . . . PUBLIC CODE PROC 0000H -----
i_st . . . . . . . . . . . . . . . . AUTO DATA U_INT 0000H 2
CONTROL_XFER . . . . . . . . . . . . . TYPEDEF ----- STRUCT ----- 23
DeviceRequest. . . . . . . . . . . . MEMBER ----- STRUCT 0000H 8
wLength. . . . . . . . . . . . . . . MEMBER ----- U_INT 0008H 2
wCount . . . . . . . . . . . . . . . MEMBER ----- U_INT 000AH 2
pData. . . . . . . . . . . . . . . . MEMBER ----- PTR 000CH 3
dataBuffer . . . . . . . . . . . . . MEMBER ----- ARRAY 000FH 8
DEVICE_REQUEST . . . . . . . . . . . . TYPEDEF ----- STRUCT ----- 8
bmRequestType. . . . . . . . . . . . MEMBER ----- U_CHAR 0000H 1
bRequest . . . . . . . . . . . . . . MEMBER ----- U_CHAR 0001H 1
wValue . . . . . . . . . . . . . . . MEMBER ----- U_INT 0002H 2
wIndex . . . . . . . . . . . . . . . MEMBER ----- U_INT 0004H 2
wLength. . . . . . . . . . . . . . . MEMBER ----- U_INT 0006H 2
_device_request. . . . . . . . . . . . * TAG * ----- STRUCT ----- 8
bmRequestType. . . . . . . . . . . . MEMBER ----- U_CHAR 0000H 1
bRequest . . . . . . . . . . . . . . MEMBER ----- U_CHAR 0001H 1
wValue . . . . . . . . . . . . . . . MEMBER ----- U_INT 0002H 2
wIndex . . . . . . . . . . . . . . . MEMBER ----- U_INT 0004H 2
wLength. . . . . . . . . . . . . . . MEMBER ----- U_INT 0006H 2
EPPFLAGS . . . . . . . . . . . . . . . TYPEDEF ----- UNION ----- 2
bits . . . . . . . . . . . . . . . . MEMBER ----- STRUCT 0000H 2
value. . . . . . . . . . . . . . . . MEMBER ----- U_INT 0000H 2
OutBuf . . . . . . . . . . . . . . . . PUBLIC IDATA ARRAY 0002H 4
bEPPflags. . . . . . . . . . . . . . . PUBLIC DATA UNION 0000H 2
ControlData. . . . . . . . . . . . . . PUBLIC DATA STRUCT 0002H 23
_D12_SetEndpointStatus . . . . . . . . EXTERN CODE PROC ----- -----
_flags . . . . . . . . . . . . . . . . * TAG * ----- STRUCT ----- 2
timer. . . . . . . . . . . . . . . . MEMBER ----- FIELD 0000H 1.0
bus_reset. . . . . . . . . . . . . . MEMBER ----- FIELD 0000H 1.1
suspend. . . . . . . . . . . . . . . MEMBER ----- FIELD 0000H 1.2
setup_packet . . . . . . . . . . . . MEMBER ----- FIELD 0000H 1.3
remote_wakeup. . . . . . . . . . . . MEMBER ----- FIELD 0000H 1.4
in_isr . . . . . . . . . . . . . . . MEMBER ----- FIELD 0000H 1.5
control_state. . . . . . . . . . . . MEMBER ----- FIELD 0000H 2.6
configuration. . . . . . . . . . . . MEMBER ----- FIELD 0001H 1.0
command. . . . . . . . . . . . . . . MEMBER ----- FIELD 0001H 1.1
ep1_rxdone . . . . . . . . . . . . . MEMBER ----- FIELD 0001H 1.2
ep2_rxdone . . . . . . . . . . . . . MEMBER ----- FIELD 0001H 1.3
ep1_buffull. . . . . . . . . . . . . MEMBER ----- FIELD 0001H 1.4
ep2_buffull. . . . . . . . . . . . . MEMBER ----- FIELD 0001H 1.5
ep0_rxdone . . . . . . . . . . . . . . PUBLIC CODE PROC 0000H -----
ep_last. . . . . . . . . . . . . . . * REG * DATA U_CHAR 0007H 1
i. . . . . . . . . . . . . . . . . . * REG * DATA U_CHAR 0007H 1
ep1_rxdone . . . . . . . . . . . . . . PUBLIC CODE PROC 0000H -----
len. . . . . . . . . . . . . . . . . * REG * DATA U_CHAR 0007H 1
ep2_rxdone . . . . . . . . . . . . . . PUBLIC CODE PROC 0000H -----
C51 COMPILER V6.12 ISR 12/16/2004 20:32:07 PAGE 5
NAME CLASS MSPACE TYPE OFFSET SIZE
==== ===== ====== ==== ====== ====
len. . . . . . . . . . . . . . . . . * REG * DATA U_CHAR 0007H 1
ep0_txdone . . . . . . . . . . . . . . PUBLIC CODE PROC 0000H -----
i. . . . . . . . . . . . . . . . . . AUTO DATA INT 0000H 2
_control_xfer. . . . . . . . . . . . . * TAG * ----- STRUCT ----- 23
DeviceRequest. . . . . . . . . . . . MEMBER ----- STRUCT 0000H 8
wLength. . . . . . . . . . . . . . . MEMBER ----- U_INT 0008H 2
wCount . . . . . . . . . . . . . . . MEMBER ----- U_INT 000AH 2
pData. . . . . . . . . . . . . . . . MEMBER ----- PTR 000CH 3
dataBuffer . . . . . . . . . . . . . MEMBER ----- ARRAY 000FH 8
ep1_txdone . . . . . . . . . . . . . . PUBLIC CODE PROC 0000H -----
MODULE INFORMATION: STATIC OVERLAYABLE
CODE SIZE = 563 ----
CONSTANT SIZE = ---- ----
XDATA SIZE = ---- ----
PDATA SIZE = ---- ----
DATA SIZE = 25 4
IDATA SIZE = 6 ----
BIT SIZE = ---- ----
END OF MODULE INFORMATION.
C51 COMPILATION COMPLETE. 0 WARNING(S), 0 ERROR(S)
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