📄 gpif.lst
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177 /* Opcode*/ 0x00, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x00,
178 /* Output*/ 0x3F, 0x17, 0x17, 0x17, 0x17, 0x17, 0x17, 0x3F,
179 /* LFun */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x3F,
C51 COMPILER V7.10 GPIF 10/25/2005 20:26:41 PAGE 4
180 // Wave 2
181 /* LenBr */ 0x02, 0x80, 0x03, 0x04, 0x01, 0x01, 0x01, 0x07,
182 /* Opcode*/ 0x00, 0x00, 0x02, 0x02, 0x02, 0x02, 0x02, 0x00,
183 /* Output*/ 0x3F, 0x3C, 0x3E, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
184 /* LFun */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x3F,
185 // Wave 3
186 /* LenBr */ 0x20, 0x01, 0x02, 0x01, 0x01, 0x01, 0x01, 0x07,
187 /* Opcode*/ 0x00, 0x00, 0x02, 0x02, 0x02, 0x02, 0x02, 0x00,
188 /* Output*/ 0x3F, 0x3D, 0x3C, 0x3C, 0x3C, 0x3C, 0x3C, 0x3F,
189 /* LFun */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x3F,
190 };
191 // END DO NOT EDIT
192
193 // DO NOT EDIT ...
194 const char xdata FlowStates[36] =
195 {
196 /* Wave 0 FlowStates */ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
197 /* Wave 1 FlowStates */ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
198 /* Wave 2 FlowStates */ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
199 /* Wave 3 FlowStates */ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
200 };
201 // END DO NOT EDIT
202
203 // DO NOT EDIT ...
204 const char xdata InitData[7] =
205 {
206 /* Regs */ 0xA0,0x00,0x00,0x3F,0xCE,0xE4,0x00
207 };
208 // END DO NOT EDIT
-
209
210 // TO DO: You may add additional code below.
211
212 void GpifInit( void )
213 {
214 1 BYTE i;
215 1
216 1 // Registers which require a synchronization delay, see section 15.14 需要同步延时
217 1 // FIFORESET FIFOPINPOLAR
218 1 // INPKTEND OUTPKTEND
219 1 // EPxBCH:L REVCTL
220 1 // GPIFTCB3 GPIFTCB2
221 1 // GPIFTCB1 GPIFTCB0
222 1 // EPxFIFOPFH:L EPxAUTOINLENH:L
223 1 // EPxFIFOCFG EPxGPIFFLGSEL
224 1 // PINFLAGSxx EPxFIFOIRQ
225 1 // EPxFIFOIE GPIFIRQ
226 1 // GPIFIE GPIFADRH:L
227 1 // UDMACRCH:L EPxGPIFTRIG
228 1 // GPIFTRIG
229 1
230 1 // Note: The pre-REVE EPxGPIFTCH/L register are affected, as well...
231 1 // ...these have been replaced by GPIFTC[B3:B0] registers
232 1
233 1 // 8051 doesn't have access to waveform memories 'til
234 1 // the part is in GPIF mode.
235 1
236 1 IFCONFIG = 0xCE;
237 1 // IFCLKSRC=1 , FIFOs executes on internal clk source 内部振荡源
238 1 // xMHz=1 , 48MHz internal clk rate 48M振荡频率
239 1 // IFCLKOE=0 , Don't drive IFCLK pin signal at 48MHz 不输出
240 1 // IFCLKPOL=0 , Don't invert IFCLK pin signal from internal clk 不颠倒波型
C51 COMPILER V7.10 GPIF 10/25/2005 20:26:41 PAGE 5
241 1 // ASYNC=1 , master samples asynchronous 异步采样
242 1 // GSTATE=1 , Drive GPIF states out on PORTE[2:0], debug WF 波型调试在E2/E1/E0
243 1 // IFCFG[1:0]=10, FX2 in GPIF master mode gpif主控
244 1
245 1 GPIFABORT = 0xFF; // abort any waveforms pending 退出当前波型。
246 1
247 1 GPIFREADYCFG = InitData[ 0 ]; //0x80 INTRDY(B.7)=1 SAS(B.6)=0,TCXRDY5(B.5)=0
248 1 GPIFCTLCFG = InitData[ 1 ]; //0x00 TRICTL=0 6控制端都是有用的。CTL5=CTL4=CTL3=CTL2=CTL1=CTL0=0 com
-s输出
249 1 GPIFIDLECS = InitData[ 2 ]; //0x00 DONE=0 IDLEDRV=0 在空闲时，数据总线处于高阻状态
250 1 GPIFIDLECTL = InitData[ 3 ]; //0xFF CTL5=CTL4=CTL3=CTL2=CTL1=CTL0=1 全部输出使能，且都是
-高电平输出
251 1 GPIFWFSELECT = InitData[ 5 ]; //0xE4 SINGLEWR1=SINGLEWR0=SINGLERD1=FIFOWR0=1 SINGLERD0=FI
-FOWR1=FIFORD1=FIFORD0=0
252 1 GPIFREADYSTAT = InitData[ 6 ]; //0x01 RDY0=1,RDY5=RDY4=RDY3=RDY2=RDY1=0
253 1
254 1 // use dual autopointer feature...
255 1 AUTOPTRSETUP = 0x07; // inc both pointers, 增加所有指针
256 1 // ...warning: this introduces pdata hole(s)
257 1 // ...at E67B (XAUTODAT1) and E67C (XAUTODAT2)
258 1
259 1 // source
260 1 APTR1H = MSB( &WaveData );
261 1 APTR1L = LSB( &WaveData );
262 1
263 1 // destination
264 1 AUTOPTRH2 = 0xE4;
265 1 AUTOPTRL2 = 0x00;
266 1
267 1 // transfer
268 1 for ( i = 0x00; i < 128; i++ )
269 1 {
270 2 EXTAUTODAT2 = EXTAUTODAT1;
271 2 }
272 1
273 1
274 1
275 1 // Configure GPIF Address pins, output initial value, 初使化GPIF的9位地址线。
276 1 PORTCCFG = 0xFF; // [7:0] as alt. func. GPIFADR[7:0] 当为1则选定为GPIFADR
277 1 OEC = 0xFF; // and as outputs
278 1 PORTECFG |= 0x80; // [8] as alt. func. GPIFADR[8]
279 1 OEE |= 0x80; // and as output
280 1
281 1 // ...OR... tri-state GPIFADR[8:0] pins 或初使化作为普通I/O口
282 1 // PORTCCFG = 0x00; // [7:0] as port I/O
283 1 // OEC = 0x00; // and as inputs
284 1 // PORTECFG &= 0x7F; // [8] as port I/O
285 1 // OEE &= 0x7F; // and as input
286 1
287 1 // GPIF address pins update when GPIFADRH/L written 当gpifadrh/l被写，gpif地址脚赋值
288 1 SYNCDELAY; //
289 1 GPIFADRH = 0x00; // bits[7:1] always 0
290 1 SYNCDELAY; //
291 1 GPIFADRL = 0x00; // point to PERIPHERAL address 0x0000
292 1 //}
293 1
294 1 // Configure GPIF FlowStates registers for Wave 0 of WaveData
295 1 FLOWSTATE = FlowStates[ 0 ];
296 1 FLOWLOGIC = FlowStates[ 1 ];
297 1 FLOWEQ0CTL = FlowStates[ 2 ];
298 1 FLOWEQ1CTL = FlowStates[ 3 ];
299 1 FLOWHOLDOFF = FlowStates[ 4 ];
C51 COMPILER V7.10 GPIF 10/25/2005 20:26:41 PAGE 6
300 1 FLOWSTB = FlowStates[ 5 ];
301 1 FLOWSTBEDGE = FlowStates[ 6 ];
302 1 FLOWSTBHPERIOD = FlowStates[ 7 ];
303 1 }
304 #define TESTING_GPIF // NOTE: Comment this line out for frameworks based firmware
305 // 注意:
306 // See the example GPIF Tool Utility under Application
307 // Reference Material for more advanced development info
308 #ifdef TESTING_GPIF
309 // TODO: You may add additional code below.
310
311 void OtherInit( void )
312 { // interface initialization
313 1 // ...see TD_Init( );
314 1 }
315
316 // Set Address GPIFADR[8:0] to PERIPHERAL 地址设置给外部设备
317 void Peripheral_SetAddress( WORD gaddr )
318 {
319 1 SYNCDELAY; //
320 1 GPIFADRH = gaddr >> 8;
321 1 SYNCDELAY; //
322 1 GPIFADRL = ( BYTE )gaddr; // setup GPIF address
323 1 }
324
325 // Set EP2GPIF Transaction Count 设定端点2的传送计数器
326 void Peripheral_SetEP2GPIFTC( WORD xfrcnt )
327 {
328 1 SYNCDELAY; //
329 1 EP2GPIFTCH = xfrcnt >> 8; // setup transaction count
330 1 SYNCDELAY; //
331 1 EP2GPIFTCL = ( BYTE )xfrcnt;
332 1 }
333
334 // Set EP4GPIF Transaction Count 设定端点四的传送计数器
335 void Peripheral_SetEP4GPIFTC( WORD xfrcnt )
336 {
337 1 SYNCDELAY; //
338 1 EP4GPIFTCH = xfrcnt >> 8; // setup transaction count
339 1 SYNCDELAY; //
340 1 EP4GPIFTCL = ( BYTE )xfrcnt;
341 1 }
342
343 // Set EP6GPIF Transaction Count 设定端点6的传送计数器
344 void Peripheral_SetEP6GPIFTC( WORD xfrcnt )
345 {
346 1 SYNCDELAY; //
347 1 EP6GPIFTCH = xfrcnt >> 8; // setup transaction count
348 1 SYNCDELAY; //
349 1 EP6GPIFTCL = ( BYTE )xfrcnt;
350 1 }
351
352 // Set EP8GPIF Transaction Count 设定端点8的传送计数器
353 void Peripheral_SetEP8GPIFTC( WORD xfrcnt )
354 {
355 1 SYNCDELAY; //
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