D12ci.LST
上传用户：lyfy_2008
上传日期：2014-07-13
资源大小：3016k
文件大小：10k
- C51 COMPILER V7.02b D12CI 09/28/2006 22:04:33 PAGE 1
- C51 COMPILER V7.02b, COMPILATION OF MODULE D12CI
- OBJECT MODULE PLACED IN D12ci.OBJ
- COMPILER INVOKED BY: C:KeilC51BINC51.EXE D12ci.c BROWSE DEBUG OBJECTEXTEND
- stmt level source
- 1 #include <reg51.h> /* special function register declarations */
- 2 #include "mainloop.h"
- 3 #include "d12ci.h"
- 4 #include "absacc.h"
- 5 //#include "epphal.h"
- 6
- 7 #define D12_DATA 0xEFF0 //偶数是数据地址
- 8 #define D12_COMMAND 0xEFF1 //奇数是命令地址
- 9
- 10 extern EPPFLAGS bEPPflags;
- 11
- 12 //设置地址使能
- 13 void D12_SetAddressEnable(unsigned char bAddress, unsigned char bEnable)
- 14 {
- 15 1 if(bEPPflags.bits.in_isr == 0)
- 16 1 DISABLE;
- 17 1
- 18 1 outportb(D12_COMMAND, 0xD0);//输出指令
- 19 1 if(bEnable)
- 20 1 bAddress |= 0x80;
- 21 1 outportb(D12_DATA, bAddress);//设置地址
- 22 1
- 23 1 if(bEPPflags.bits.in_isr == 0)
- 24 1 ENABLE;
- 25 1 }
- 26
- 27 //设置端点使能
- 28 void D12_SetEndpointEnable(unsigned char bEnable)
- 29 {
- 30 1 if(bEPPflags.bits.in_isr == 0)
- 31 1 DISABLE;
- 32 1
- 33 1 outportb(D12_COMMAND, 0xD8);//输出指令
- 34 1 if(bEnable)
- 35 1 outportb(D12_DATA, 1);//设置端点允许
- 36 1 else
- 37 1 outportb(D12_DATA, 0);//设置端点禁止
- 38 1
- 39 1 if(bEPPflags.bits.in_isr == 0)
- 40 1 ENABLE;
- 41 1 }
- 42
- 43 //模式设置
- 44 void D12_SetMode(unsigned char bConfig, unsigned char bClkDiv)
- 45 {
- 46 1 if(bEPPflags.bits.in_isr == 0)
- 47 1 DISABLE;
- 48 1
- 49 1 outportb(D12_COMMAND, 0xF3);//设置模式
- 50 1 outportb(D12_DATA, bConfig);
- 51 1 outportb(D12_DATA, bClkDiv);
- 52 1
- 53 1 if(bEPPflags.bits.in_isr == 0)
- 54 1 ENABLE;
- 55 1 }
- C51 COMPILER V7.02b D12CI 09/28/2006 22:04:33 PAGE 2
- 56
- 57 //DMA工作方式设置
- 58 void D12_SetDMA(unsigned char bMode)
- 59 {
- 60 1 if(bEPPflags.bits.in_isr == 0)
- 61 1 DISABLE;
- 62 1
- 63 1 outportb(D12_COMMAND, 0xFB);//设置DMA工作方式
- 64 1 outportb(D12_DATA, bMode);
- 65 1
- 66 1 if(bEPPflags.bits.in_isr == 0)
- 67 1 ENABLE;
- 68 1 }
- 69
- 70 //读取中断寄存器
- 71 unsigned short D12_ReadInterruptRegister(void)
- 72 {
- 73 1 unsigned char b1;
- 74 1 unsigned int j;
- 75 1
- 76 1 outportb(D12_COMMAND, 0xF4);//读取中断寄存器
- 77 1 b1 = inportb(D12_DATA);
- 78 1 j = inportb(D12_DATA);
- 79 1
- 80 1 j <<= 8;
- 81 1 j += b1;
- 82 1
- 83 1 return j;
- 84 1 }
- 85
- 86 //端点选择
- 87 unsigned char D12_SelectEndpoint(unsigned char bEndp)
- 88 {
- 89 1 unsigned char c;
- 90 1
- 91 1 if(bEPPflags.bits.in_isr == 0)
- 92 1 DISABLE;
- 93 1
- 94 1 outportb(D12_COMMAND, bEndp);//端点选择
- 95 1 c = inportb(D12_DATA);
- 96 1
- 97 1 if(bEPPflags.bits.in_isr == 0)
- 98 1 ENABLE;
- 99 1
- 100 1 return c;
- 101 1 }
- 102
- 103 //读取最后传输状态
- 104 unsigned char D12_ReadLastTransactionStatus(unsigned char bEndp)
- 105 {
- 106 1 outportb(D12_COMMAND, 0x40 + bEndp);//返回最后传输状态
- 107 1 return inportb(D12_DATA);
- 108 1 }
- 109
- 110 //读取端点状态
- 111 unsigned char D12_ReadEndpointStatus(unsigned char bEndp)
- 112 {
- 113 1 unsigned char c;
- 114 1
- 115 1 if(bEPPflags.bits.in_isr == 0)
- 116 1 DISABLE;
- 117 1
- C51 COMPILER V7.02b D12CI 09/28/2006 22:04:33 PAGE 3
- 118 1 outportb(D12_COMMAND, 0x80 + bEndp);//读取端点状态
- 119 1 c = inportb(D12_DATA);
- 120 1
- 121 1 if(bEPPflags.bits.in_isr == 0)
- 122 1 ENABLE;
- 123 1
- 124 1 return c;
- 125 1 }
- 126
- 127 //设置端点状态
- 128 void D12_SetEndpointStatus(unsigned char bEndp, unsigned char bStalled)
- 129 {
- 130 1 if(bEPPflags.bits.in_isr == 0)
- 131 1 DISABLE;
- 132 1
- 133 1 outportb(D12_COMMAND, 0x40 + bEndp);//设置端点状态
- 134 1 outportb(D12_DATA, bStalled);
- 135 1
- 136 1 if(bEPPflags.bits.in_isr == 0)
- 137 1 ENABLE;
- 138 1 }
- 139
- 140 unsigned short D12_ReadChipID(void)
- 141 {
- 142 1 unsigned short i,j;
- 143 1
- 144 1 if(bEPPflags.bits.in_isr == 0)
- 145 1 DISABLE;
- 146 1
- 147 1 outportb(D12_COMMAND, 0xFD);
- 148 1 i=inportb(D12_DATA);
- 149 1 j=inportb(D12_DATA);
- 150 1 i += (j<<8);
- 151 1
- 152 1 if(bEPPflags.bits.in_isr == 0)
- 153 1 ENABLE;
- 154 1
- 155 1 return i;
- 156 1 }
- 157
- 158 //读取端点数据
- 159 unsigned char D12_ReadEndpoint(unsigned char endp, unsigned char len, unsigned char * buf)
- 160 {
- 161 1 unsigned char i, j;
- 162 1
- 163 1 if(bEPPflags.bits.in_isr == 0)
- 164 1 DISABLE;
- 165 1
- 166 1 outportb(D12_COMMAND, endp);
- 167 1 if((inportb(D12_DATA) & D12_FULLEMPTY) == 0) {
- 168 2 if(bEPPflags.bits.in_isr == 0)
- 169 2 ENABLE;
- 170 2 return 0;
- 171 2 }
- 172 1
- 173 1 outportb(D12_COMMAND, 0xF0);
- 174 1 j = inportb(D12_DATA);
- 175 1 j = inportb(D12_DATA);
- 176 1
- 177 1 if(j > len)
- 178 1 j = len;
- 179 1
- C51 COMPILER V7.02b D12CI 09/28/2006 22:04:33 PAGE 4
- 180 1 for(i=0; i<j; i++)
- 181 1 *(buf+i) = inportb(D12_DATA);
- 182 1
- 183 1 outportb(D12_COMMAND, 0xF2);
- 184 1
- 185 1 if(bEPPflags.bits.in_isr == 0)
- 186 1 ENABLE;
- 187 1
- 188 1 return j;
- 189 1 }
- 190
- 191 //写端点
- 192 unsigned char D12_WriteEndpoint(unsigned char endp, unsigned char len, unsigned char * buf)
- 193 {
- 194 1 unsigned char i;
- 195 1
- 196 1 if(bEPPflags.bits.in_isr == 0)
- 197 1 DISABLE;
- 198 1
- 199 1 outportb(D12_COMMAND, endp);
- 200 1 i = inportb(D12_DATA);
- 201 1
- 202 1 outportb(D12_COMMAND, 0xF0);
- 203 1 outportb(D12_DATA, 0);
- 204 1 outportb(D12_DATA, len);
- 205 1
- 206 1 for(i=0; i<len; i++)
- 207 1 outportb(D12_DATA, *(buf+i));
- 208 1
- 209 1 outportb(D12_COMMAND, 0xFA);
- 210 1
- 211 1 if(bEPPflags.bits.in_isr == 0)
- 212 1 ENABLE;
- 213 1
- 214 1 return len;
- 215 1 }
- 216
- 217 //设置端点应答
- 218 void D12_AcknowledgeEndpoint(unsigned char endp)
- 219 {
- 220 1 outportb(D12_COMMAND, endp);
- 221 1 outportb(D12_COMMAND, 0xF1);
- 222 1 if(endp == 0)
- 223 1 outportb(D12_COMMAND, 0xF2);
- 224 1 }
- 225
- 226 //输出数据
- 227 void outportb(unsigned int Addr, unsigned char Data)
- 228 {
- 229 1 *((unsigned char xdata *) Addr) = Data;
- 230 1 }
- 231
- 232 //输入数据
- 233 unsigned char inportb(unsigned int Addr)
- 234 {
- 235 1 return *((unsigned char xdata *) Addr);
- 236 1 }
- 237
- MODULE INFORMATION: STATIC OVERLAYABLE
- CODE SIZE = 670 ----
- C51 COMPILER V7.02b D12CI 09/28/2006 22:04:33 PAGE 5
- CONSTANT SIZE = ---- ----
- XDATA SIZE = ---- ----
- PDATA SIZE = ---- ----
- DATA SIZE = ---- 22
- IDATA SIZE = ---- ----
- BIT SIZE = ---- ----
- END OF MODULE INFORMATION.
- C51 COMPILATION COMPLETE. 0 WARNING(S), 0 ERROR(S)
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