📄 intspc30816.lst
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189 2 do
190 2 { /* check configuration data until no conflict behavior m;检查组态数据直到无冲突 */
191 3 cfg_ptr = DPS2_GET_CFG_BUF_PTR(); /* pointer to the config_data_block */
192 3 config_data_len = DPS2_GET_CFG_LEN();/* DPS2_GET_CFG_LEN()即spc3.r_len_cfg_buf */
193 3
194 3 /* $$In this example the only possible configurations are 0x15 and 0x25
195 3 (4 Byte I/O) or 0x11 and 0x21 (2 Byte I/O) are possible */
196 3
197 3 if ( config_data_len != 2)
198 3 cfg_result = DPS2_SET_CFG_DATA_NOT_OK();/**/
199 3 else
200 3 { /* Length of the configuration data o.k. */
201 4 /* check the configuratin bytes */
202 4
203 4 if ((cfg_akt[0] == cfg_ptr[0]) && (cfg_akt[1] == cfg_ptr[1]))
204 4 result = DPS_CFG_OK;
205 4 /* the desired conf. is equal the actuall configuration;期望组态和实际组态数据相等;0x15*/
206 4 else
207 4 {
208 5 if (((cfg_ptr[0] == 0x51) && (cfg_ptr[1]) ==0x61)
209 5 || ((cfg_ptr[0] == 0x53) && (cfg_ptr[1]) ==0x63))
210 5 {
211 6 cfg_akt[0] = cfg_ptr[0];
212 6 cfg_akt[1] = cfg_ptr[1];
213 6 result = DPS_CFG_UPDATE;
214 6 }
215 5 else
216 5 result = DPS_CFG_FAULT; /* as example !!!!! */
217 5
218 5
219 5 if (result == DPS_CFG_UPDATE)
220 5 {
221 6 user_io_data_len_ptr = dps2_calculate_inp_outp_len (cfg_ptr,(UWORD)config_data_len);
222 6 /*根据新的组态数据计算I/O数据长度;见.Cp5 */
223 6 if (user_io_data_len_ptr != (DPS2_IO_DATA_LEN *)0)
224 6 {
225 7 DPS2_SET_IO_DATA_LEN(user_io_data_len_ptr);
226 7 /*相对与初始化设定，检查lens,如果正确,SPC3的指针和lens将装入;.Cp11
-*/
227 7 }
228 6 else
229 6 result = DPS_CFG_FAULT;
230 6 }
231 5 }
232 4 switch (result)
233 4 {
234 5 case DPS_CFG_OK: cfg_result = DPS2_SET_CFG_DATA_OK();/* 见.Cp12;Hp8 */
235 5 break;
236 5
237 5 case DPS_CFG_FAULT: cfg_result = DPS2_SET_CFG_DATA_NOT_OK();/* 见.Cp12 */
238 5 break;
C51 COMPILER V7.02b INTSPC30816 11/01/2004 20:51:04 PAGE 5
239 5
240 5 case DPS_CFG_UPDATE: cfg_result = DPS2_SET_CFG_DATA_UPDATE();/*见.Cp12 */
241 5 break;
242 5 }
243 4 }
244 3
245 3 } while(cfg_result == DPS2_CFG_CONFLICT);/**/
246 2 }
247 1
248 1 if(DPS2_GET_IND_NEW_SSA_DATA())
249 1 { /*=== New Slave address received;收到新的从站地址===*/
250 2 address_data_function(DPS2_GET_SSA_BUF_PTR(), DPS2_GET_SSA_LEN());/* 函数.I;两参数见.Hp9*/
251 2 DPS2_CON_IND_NEW_SSA_DATA(); /* confirm this indication */
252 2 }
253 1
254 1 if(DPS2_GET_IND_WD_DP_MODE_TIMEOUT())
255 1 { /*=== Watchdog is run out;看门狗跑飞===*/
256 2 wd_dp_mode_timeout_function();
257 2 DPS2_CON_IND_WD_DP_MODE_TIMEOUT(); /* confirm this indication;.Hp8 */
258 2 }
259 1 if(SPC3_GET_IND_USER_TIMER_CLOCK())
260 1 { /*==== Timer tick received;定时器;.Hp8 ====*/
261 2 SPC3_CON_IND_USER_TIMER_CLOCK();
262 2 }
263 1
264 1 if(SPC3_GET_IND_BAUDRATE_DETECT())
265 1 { /*==== Baudrate found ====*/
266 2
267 2 /* If the baudrate has lost and again found in the state WAIT_CFG, */
268 2 /* DATA_EX the SPC3 would answer to the next telegramms */
269 2 /* with his default mintsdr. */
270 2 /* But he should answer in the meantime parametrized mindstr */
271 2
272 2 if ((DPS2_GET_DP_STATE() == DPS2_DP_STATE_WAIT_CFG )
273 2 || (DPS2_GET_DP_STATE() == DPS2_DP_STATE_DATA_EX)) /*.Hp10;PDF22*/
274 2 SPC3_SET_MINTSDR(store_mintsdr);/* .Hp8 */
275 2
276 2 SPC3_CON_IND_BAUDRATE_DETECT();/* .Hp8 */
277 2 }
278 1 SPC3_SET_EOI(); /* .Hp8 */
279 1 } /* End dps2_ind() */
280
281
282
283 /************************************************************************/
284 /* D e s c r i p t i o n : */
285 /* */
286 /* address data function */
287 /************************************************************************/
288 #pragma global
289
290 void address_data_function (void SPC3_PTR_ATTR*(address_data_ptr), UBYTE address_data_len)
291 {
292 1 char ch;
293 1
294 1 /* change the slave-address;改变从站地址*/
295 1 struct dps_address_data SPC3_PTR_ATTR * addr_ptr;/*定义结构体指针;结构体见.Hp5 */
296 1
297 1 ch=address_data_len;
298 1
299 1 addr_ptr = address_data_ptr;
300 1
C51 COMPILER V7.02b INTSPC30816 11/01/2004 20:51:04 PAGE 6
301 1 this_station = addr_ptr->new_address;
302 1 real_no_add_chg = addr_ptr->no_add_chg;
303 1
304 1 /* store the new address and the bit real_no_add_chg for the next startup */
305 1
306 1 DPS2_FREE_SSA_BUF(); /* release the Set Slave Address buffer;DPS2_FREE_SSA_BUF()即_dps2_x = spc3.ssa_buffe
-r_free_cmd;14H*/
307 1 }
308 #pragma public
309
310
311 /************************************************************************/
312 /* D e s c r i p t i o n : */
313 /* */
314 /* restart_function */
315 /************************************************************************/
316
317 #pragma global
318
319 void wd_dp_mode_timeout_function (void)
320 {
321 1 UBYTE rueck;
322 1 /* Watchdog is run out. The SPC3 reset the PROFIBUS DP Statemachine;看门狗跑飞,复位DP状态机*/
323 1
324 1 user_wd_state = SPC3_GET_WD_STATE();/* .Hp10 */
325 1
326 1 /*SX small weakness of the SPC3
327 1 Update of the diagnosis with 00
328 1 otherwise the bit "static diagnosis" would appear in the
329 1 next startup */
330 1
331 1
332 1 rueck = DPS2_SET_DIAG_LEN(6);/* .Hp9 */
333 1 rueck = DPS2_SET_DIAG_STATE(0x00);/* .Hp9;诊断值为00H */
334 1 DPS2_DIAG_UPDATE();/* 见.Cp14 dps2_diag_update() */
335 1
336 1
337 1 }
338 #pragma public
339
340 /************************************************************************/
341 /* D e s c r i p t i o n : */
342 /* */
343 /* global_ctrl_command_function */
344 /************************************************************************/
345 #pragma global
346
347 void global_ctrl_command_function (void)
348 {
349 1
350 1 user_global_ctrl_command = DPS2_GET_GC_COMMAND();
351 1
352 1 }
353 #pragma public
354
355 /************************************************************************/
356 /* D e s c r i p t i o n : */
357 /* */
358 /* go_leave_data_ex_function */
359 /************************************************************************/
360 #pragma global
361
C51 COMPILER V7.02b INTSPC30816 11/01/2004 20:51:04 PAGE 7
362 void go_leave_data_ex_function (void)
363 {
364 1
365 1 user_dps_state = DPS2_GET_DP_STATE();
366 1 }
367
368 #pragma public
369
MODULE INFORMATION: STATIC OVERLAYABLE
CODE SIZE = 863 ----
CONSTANT SIZE = ---- ----
XDATA SIZE = 4 6
PDATA SIZE = ---- ----
DATA SIZE = ---- ----
IDATA SIZE = ---- ----
BIT SIZE = ---- ----
END OF MODULE INFORMATION.
C51 COMPILATION COMPLETE. 0 WARNING(S), 0 ERROR(S)
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