📄 f334.lst
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1095 1 {
1096 2 key_pre=key_buf;
1097 2 key_press_time=0;
1098 2 }
1099 1 }
1100
1101
1102 void Key_process(void)
1103 {
1104 1 if ((key_work==0x55) && (key_time==0))
1105 1 {
1106 2 key_work=0;key_time=1000; //key_zt==0 关机 key_zt==99 开机
C51 COMPILER V8.02 F334 07/13/2006 10:09:54 PAGE 19
1107 2
1108 2
1109 2 if (key_zt==0) //如果当前状态是关机状态，此时有按键信号，则开机，延时开背光
1110 2 {
1111 3 key_zt=99;
1112 3 S2410_PWR=0;
1113 3 LcdBackLight_Delay_AfterS2410=1800;
1114 3 GPS_SW=0;
1115 3 DAC0=0x0800;
1116 3 Control_inf(88,0,1);
1117 3 }
1118 2 else if (key_zt==99) //如果当前状态是开机状态，此时有按键信号，则判断长按，关机
1119 2 { //如果不长按，key_zt 不能变
1120 3 DAC0=0x0000;
1121 3 Control_inf(88,0,0);
1122 3 }
1123 2 }
1124 1 }
1125
1126 void Delay_1uS(void)
1127 {
1128 1 unsigned char i;
1129 1 for(i=0;i<200;i++);
1130 1 }
1131
1132 /***************************************************************************
1133 ??16????BH1415H
1134 ****************************************************************************
1135 **/
1136 void send_contr_word(unsigned int Cotrdata)
1137 {
1138 1 unsigned int C_word;
1139 1 unsigned char i;
1140 1 bh_en=0;
1141 1 for(i=0;i<16;i++)
1142 1 {
1143 2 C_word=Cotrdata&0x0001;
1144 2 if (C_word!=0)
1145 2 {
1146 3 bh_clk=1;Delay_1uS();
1147 3 bh_data=0;Delay_1uS();
1148 3 bh_clk=0;Delay_1uS();
1149 3 }
1150 2 else
1151 2 {
1152 3 bh_clk=1;Delay_1uS();
1153 3 bh_data=1;Delay_1uS();
1154 3 bh_clk=0;Delay_1uS();
1155 3 }
1156 2 Cotrdata=_iror_(Cotrdata,1);
1157 2 }
1158 1 bh_data=1;
1159 1 bh_clk=1;
1160 1 bh_en=1;
1161 1 }
1162 /***************************************************************************
1163
1164 ??????:??????,????1?,?????,1???
1165
1166 ****************************************************************************
1167 **/
1168 void Control_inf(unsigned char dx1,dx2,dx3)
C51 COMPILER V8.02 F334 07/13/2006 10:09:54 PAGE 20
1169 {
1170 1 unsigned int control_data;
1171 1
1172 1 control_data=dx1 * 10+dx2; /*?????????????????*/
1173 1 control_data=control_data | 0x0800; /*??????????,1????*/
1174 1 control_data=(control_data & 0xcfff); /*D12?D13????????,0x00*/
1175 1
1176 1 if(dx3)
1177 1 {
1178 2 control_data=((control_data & 0x3fff) | 0x4000); /*D14?D15????????,0x01*/
1179 2 }
1180 1 else control_data=control_data & 0x3fff;
1181 1 send_contr_word(control_data); /*Send the Control work of 16 bit*/
1182 1 }
1183
1184 void Variable_Init(void)
1185 {
1186 1 RecvByte=0;
1187 1 LcdBackLight_Delay_AfterS2410=0;
1188 1
1189 1 key_press_time=0;
1190 1
1191 1 key_zt=0;key_time=0;
1192 1
1193 1 riqi[0]=0+0x30;riqi[1]=5+0x30;riqi[2]=0+0x30;
1194 1 riqi[3]=7+0x30;riqi[4]=2+0x30;riqi[5]=0+0x30;
1195 1 GPS_Alarm[0]=8+0x30;GPS_Alarm[1]=5+0x30;
1196 1 weixing[0]=0+0x30;weixing[1]=0+0x30;
1197 1 GPS_Current_pre=0;GPS_Current=0;
1198 1 GPS_time=0;
1199 1 GPS_Alarm_js=0;
1200 1
1201 1 for (ii=0;ii<9;ii++) // Longitude
1202 1 {
1203 2 Longitude[ii]=0x30;
1204 2 }
1205 1 for (ii=0;ii<10;ii++) // Latitude
1206 1 {
1207 2 Latitude[ii]=0x30;
1208 2 }
1209 1
1210 1 DGPS=0x30;
1211 1
1212 1 for (ii=0;ii<4;ii++) // HDOP
1213 1 {
1214 2 HDOP[ii]=0x30;
1215 2 }
1216 1
1217 1 fm[0]=0x30;
1218 1 fm[1]=0x30;
1219 1 fm[2]=0x30;
1220 1 fmbak=0;
1221 1
1222 1 SRI=0;
1223 1 surt_js=0;
1224 1 b_light=0x30;
1225 1 }
1226
1227 //----------------------------------------------------------------------------
1228 //Interrupt Service Routine
1229 //----------------------------------------------------------------------------
1230 void PCA_ISR(void) interrupt 11
C51 COMPILER V8.02 F334 07/13/2006 10:09:54 PAGE 21
1231 {
1232 1 static char SUTXST = 0; //SW_UART TX????
1233 1 static char SURXST = 0; //SW_UART RX????
1234 1 static unsigned RXSHIFT = 0; //SW_UART RX?????
1235 1 unsigned int PCA_TEMP; //??????,????PCA?????
1236 1 //???
1237 1
1238 1 // Check receive interrupt flag first; service if CCF0 is set.
1239 1 if (CCF0){
1240 2 CCF0 = 0; // Clear interrupt flag.
1241 2 switch (SURXST){
1242 3
1243 3 // State 0: START bit received.
1244 3 // In this state, a negative edge on SW_TX has caused the interrupt,
1245 3 // meaning a START has been detected and the PCA0CP0 registers have
1246 3 // captured the value of PCA0.
1247 3 // - Check for receive enable and good START bit
1248 3 // - Switch PCA module 0 to software timer mode
1249 3 // - Add 3/2 bit time to module 0 capture registers to sample LSB.
1250 3 // - Increment RX state variable.
1251 3 case 0:
1252 3
1253 3 if (SREN & ~SW_RX){ // Check for receive enable and a good
1254 4 // START bit.
1255 4
1256 4 PCA_TEMP = (PCA0CPH0 << 8); // Read module 0 contents into
1257 4 PCA_TEMP |= PCA0CPL0; // PCA_TEMP.
1258 4
1259 4 PCA_TEMP += TH_TIME_COUNT; // Add 3/2 bit times to PCA_TEMP
1260 4
1261 4 PCA0CPL0 = PCA_TEMP; // Restore PCA0CPL0 and PCA0CPH0
1262 4 PCA0CPH0 = (PCA_TEMP >> 8); // with the updated value
1263 4
1264 4 PCA0CPM0 = 0x49; // Change module 0 to software
1265 4 // timer mode, interrupts enabled.
1266 4
1267 4 SURXST++; // Update RX state variable.
1268 4 }
1269 3 break;
1270 3
1271 3 // States 1-8: Bit Received
1272 3 // - Sample SW_RX pin
1273 3 // - Shift new bit into RXSHIFT
1274 3 // - Add 1 bit time to module 0 capture registers
1275 3 // - Increment RX state variable
1276 3 case 1:
1277 3 case 2:
1278 3 case 3:
1279 3 case 4:
1280 3 case 5:
1281 3 case 6:
1282 3 case 7:
1283 3 case 8:
1284 3
1285 3 RXSHIFT = RXSHIFT >> 1; // Shift right 1 bit
1286 3 if (SW_RX) // If SW_RX=1,
1287 3 RXSHIFT |= 0x80; // shift '1' into RXSHIFT msb
1288 3
1289 3 PCA_TEMP = (PCA0CPH0 << 8); // Read module 0 contents into
1290 3 PCA_TEMP |= PCA0CPL0; // PCA_TEMP.
1291 3
1292 3 PCA_TEMP += TIME_COUNT; // Add 1 bit time to PCA_TEMP
C51 COMPILER V8.02 F334 07/13/2006 10:09:54 PAGE 22
1293 3
1294 3 PCA0CPL0 = PCA_TEMP; // Restore PCA0CPL0 and PCA0CPH0
1295 3 PCA0CPH0 = (PCA_TEMP >> 8); // with the updated value
1296 3
1297 3 SURXST++; // Update RX state variable.
1298 3 break;
1299 3
1300 3 // State 9: 8-bits received, Capture STOP bit.
1301 3 // - Move RXSHIFT into RDR.
1302 3 // - Set SRI (indicate receive complete).
1303 3 // - Prepare module 0 for next transfer.
1304 3 // - Reset RX state variable.
1305 3 // - Trigger IE7 if user-level interrupt support is enabled.
1306 3 case 9:
1307 3
1308 3 RDR = RXSHIFT; // Move received data to receive register.
1309 3 SRI = 1; // Set receive complete indicator.
1310 3
1311 3 PCA0CPM0 = 0x11; // Switch module 0 to negative capture
1312 3 // mode; interrupt enabled for START
1313 3 // detection.
1314 3
1315 3 SURXST = 0; // Reset RX state variable.
1316 3
1317 3
1318 3 break;
1319 3
1320 3 }
1321 2 }
1322 1
1323 1 // Check Transmit interrupt; service if CCF1 is set.
1324 1 else if (CCF1){
1325 2 CCF1 = 0; // Clear interrupt flag
1326 2 switch (SUTXST){
1327 3
1328 3 // State 0: Transmit Initiated.
1329 3 // Here, the user has loaded a byte to transmit into TDR, and set the
1330 3 // module 1 interrupt to initiate the transfer.
1331 3 // - Transmit START bit (drop SW_TX)
1332 3 // - Read PCA0, add one bit time, & store in module 1 capture registers
1333 3 // for first bit.
1334 3 // - Increment TX state variable.
1335 3 case 0:
1336 3 STXBSY = 1; // SW_UART TX?
1337 3 SW_TX = 0; // Drop TX pin as START bit.
1338 3
1339 3 PCA_TEMP = PCA0L; // Read PCA counter value into
1340 3 PCA_TEMP |= (PCA0H << 8); // PCA_TEMP.
1341 3
1342 3 PCA_TEMP += TIME_COUNT; // Add 1 bit time.
1343 3
1344 3 PCA0CPL1 = PCA_TEMP; // Store updated match value into
1345 3 PCA0CPH1 = (PCA_TEMP >> 8); // module 1 capture/compare registers.
1346 3
1347 3 PCA0CPM1 |= 0x48; // Enable module 1 software timer.
1348 3
1349 3 SUTXST++; // Update TX state variable.
1350 3 break;
1351 3
1352 3 // States 1-9: Transmit Bit.
1353 3 // - Output LSB of TDR onto TX
1354 3 // - Shift TDR 1 bit right.
C51 COMPILER V8.02 F334 07/13/2006 10:09:54 PAGE 23
1355 3 // - Shift a '1' into MSB of TDR for STOP bit in State 9.
1356 3 // - Add 1 bit time to module 1 capture register
1357 3 case 1:
1358 3 case 2:
1359 3 case 3:
1360 3 case 4:
1361 3 case 5:
1362 3 case 6:
1363 3 case 7:
1364 3 case 8:
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