increased default delays for better stability.

added reset at end of operations.
added option to fix delay multiplier.
added instructions if something go wrong.

.gitignore

@@ -0,0 +1,2 @@
+*.o
+toto*

CCDebugger.c

@@ -174,7 +174,7 @@ uint8_t cc_error()
  * Delay a particular number of cycles
  */
 struct timespec tp={0,0};
-static int cc_delay_mult=50;
+static int cc_delay_mult=80;
 void cc_delay( unsigned char d )
 {
   volatile unsigned int i = cc_delay_mult*d;
@@ -184,6 +184,11 @@ void cc_delay( unsigned char d )
 
 }
 
+void cc_setmult(int mult)
+{
+  cc_delay_mult=mult;
+}
+
 /* provas konsideri la rapidecon de la procesoro */
 void cc_delay_calibrate( )
 {
@@ -194,7 +199,7 @@ void cc_delay_calibrate( )
   cc_delay(200);
   cc_delay(200);
   long time1=micros();
-  cc_delay_mult=cc_delay_mult*200/(time1-time0);
+  cc_delay_mult=cc_delay_mult*400/(time1-time0);
 }
 
 /**
@@ -406,6 +411,17 @@ void cc_setDDDirection( uint8_t direction )
 
 }
 
+void cc_reset()
+{
+  pinMode(pinDC, INPUT);
+  pinMode(pinDD, INPUT);
+  pinMode(pinRST, OUTPUT);
+  cc_delay(200);
+  pinMode(pinRST, LOW);
+  cc_delay(500);
+  pinMode(pinRST, INPUT);
+}
+
 /////////////////////////////////////////////////////////////////////
 /////////////////////////////////////////////////////////////////////
 ////                    HIGH LEVEL FUNCTIONS                     ////

CCDebugger.h

@@ -22,9 +22,12 @@
 
   int cc_init( int pinRST, int pinDC, int pinDD );
   void cc_delay( unsigned char d );
+  void cc_setmult(int mult);
 
   uint8_t cc_error();
 
+  void cc_reset();
+
   ////////////////////////////
   // High-Level interaction
   ////////////////////////////

README.md

@@ -57,6 +57,7 @@ all commands accept following arguments :
 	-c pin : change pin_DC (default 27)
 	-d pin : change pin_DD (default 28)
 	-r pin : change reset pin (default 24)
+  	-m : change multiplier for time delay (default auto)
 
 the pin numbering used is that of wiringPi. Use "gpio readall" to have the layout on your pi (wPi column).
 
@@ -77,6 +78,14 @@ and now you can read chip id, save flash content, erase flash, and write flash w
 
 You can also change default values in CCDebugger.h and recompile executables with make.
 
+## what to try if it doesn't work?
+### stop all other programs before flash.
+### use the -m option to increase time delays used. Example :
+```bash
+./cc_write -m 300 CC2531ZNP-Pro.hex
+```
+### executables are compiled on my raspbian distribition, you can try to recompile for your distribution with make.
+
 ## License
 
 This project is licensed under the GPL v3 license (see COPYING).

cc_chipid.c

@@ -30,6 +30,7 @@ void helpo()
   fprintf(stderr,"	-c : change pin_DC (default 27)\n");
   fprintf(stderr,"	-d : change pin_DD (default 28)\n");
   fprintf(stderr,"	-r : change reset pin (default 24)\n");
+  fprintf(stderr,"	-m : change multiplier for time delay (default auto)\n");
 }
 
 int main(int argc,char *argv[])
@@ -38,10 +39,14 @@ int main(int argc,char *argv[])
   int rePin=-1;
   int dcPin=-1;
   int ddPin=-1;
-  while( (opt=getopt(argc,argv,"d:c:r:h?")) != -1)
+  int setMult=-1;
+  while( (opt=getopt(argc,argv,"m:d:c:r:h?")) != -1)
   {
     switch(opt)
     {
+     case 'm' : 
+      setMult=atoi(optarg);
+      break;
      case 'd' : // DD pinglo
       ddPin=atoi(optarg);
       break;
@@ -60,6 +65,7 @@ int main(int argc,char *argv[])
   }
   // initialize GPIO and debugger
   cc_init(rePin,dcPin,ddPin);
+  if(setMult>0) cc_setmult(setMult);
   // enter debug mode
   cc_enter();
   // get ChipID :
@@ -67,4 +73,6 @@ int main(int argc,char *argv[])
   res = cc_getChipID();
   printf("  ID = %04x.\n",res);
   cc_setActive(false);
+  // reboot
+  cc_reset();
 }

cc_erase.c

@@ -30,6 +30,7 @@ void helpo()
   fprintf(stderr,"	-c : change pin_DC (default 27)\n");
   fprintf(stderr,"	-d : change pin_DD (default 28)\n");
   fprintf(stderr,"	-r : change reset pin (default 24)\n");
+  fprintf(stderr,"	-m : change multiplier for time delay (default auto)\n");
 }
 
 int main(int argc,char *argv[])
@@ -38,10 +39,14 @@ int main(int argc,char *argv[])
   int rePin=-1;
   int dcPin=-1;
   int ddPin=-1;
-  while( (opt=getopt(argc,argv,"d:c:r:h?")) != -1)
+  int setMult=-1;
+  while( (opt=getopt(argc,argv,"m:d:c:r:h?")) != -1)
   {
     switch(opt)
     {
+     case 'm' : 
+      setMult=atoi(optarg);
+      break;
      case 'd' : // DD pinglo
       ddPin=atoi(optarg);
       break;
@@ -60,6 +65,7 @@ int main(int argc,char *argv[])
   }
   // initialize GPIO and debugger
   cc_init(rePin,dcPin,ddPin);
+  if(setMult>0) cc_setmult(setMult);
   // enter debug mode
   cc_enter();
   // get ChipID :

cc_read.c

@@ -66,6 +66,7 @@ void helpo()
   fprintf(stderr,"	-c : change pin_DC (default 27)\n");
   fprintf(stderr,"	-d : change pin_DD (default 28)\n");
   fprintf(stderr,"	-r : change reset pin (default 24)\n");
+  fprintf(stderr,"	-m : change multiplier for time delay (default auto)\n");
 }
 
 int main(int argc,char *argv[])
@@ -74,10 +75,14 @@ int main(int argc,char *argv[])
   int rePin=-1;
   int dcPin=-1;
   int ddPin=-1;
-  while( (opt=getopt(argc,argv,"d:c:r:h?")) != -1)
+  int setMult=-1;
+  while( (opt=getopt(argc,argv,"m:d:c:r:h?")) != -1)
   {
     switch(opt)
     {
+     case 'm' : 
+      setMult=atoi(optarg);
+      break;
      case 'd' : // DD pinglo
       ddPin=atoi(optarg);
       break;
@@ -99,6 +104,7 @@ int main(int argc,char *argv[])
   if(!ficout) { fprintf(stderr," Can't open file %s.\n",argv[optind]); exit(1); }
   //  initialize GPIO ports
   cc_init(rePin,dcPin,ddPin);
+  if(setMult>0) cc_setmult(setMult);
   // enter debug mode
   cc_enter();
   // get ChipID :
@@ -128,6 +134,8 @@ int main(int argc,char *argv[])
         read1k(bank,i*1024, buf1);
         read1k(bank,i*1024, buf2);
         // nbread++;
+        //if(memcmp(buf1,buf2,1024))
+	//  {printf("x");fflush(stdout);}
       } while(memcmp(buf1,buf2,1024));
       for(uint16_t j=0 ; j<64 ; j++)
 	writeHexLine(ficout,buf1+j*16, 16,(bank&1)*32*1024+ i*1024+j*16);
@@ -138,6 +146,8 @@ int main(int argc,char *argv[])
   fprintf(ficout,":00000001FF\n");
   // exit from debug 
   cc_setActive(false);
+  // reboot
+  cc_reset();
   fclose(ficout);
 
 }

cc_write.c

@@ -223,6 +223,7 @@ void helpo()
   fprintf(stderr,"	-c : change pin_DC (default 27)\n");
   fprintf(stderr,"	-d : change pin_DD (default 28)\n");
   fprintf(stderr,"	-r : change reset pin (default 24)\n");
+  fprintf(stderr,"	-m : change multiplier for time delay (default auto)\n");
 }
 
 int main(int argc,char *argv[])
@@ -231,10 +232,14 @@ int main(int argc,char *argv[])
   int rePin=24;
   int dcPin=27;
   int ddPin=28;
-  while( (opt=getopt(argc,argv,"d:c:r:h?")) != -1)
+  int setMult=-1;
+  while( (opt=getopt(argc,argv,"m:d:c:r:h?")) != -1)
   {
     switch(opt)
     {
+     case 'm' : 
+      setMult=atoi(optarg);
+      break;
      case 'd' : // DD pinglo
       ddPin=atoi(optarg);
       break;
@@ -256,6 +261,7 @@ int main(int argc,char *argv[])
   if(!ficin) { fprintf(stderr," Can't open file %s.\n",argv[optind]); exit(1); }
   // on initialise les ports GPIO et le debugger
   cc_init(rePin,dcPin,ddPin);
+  if(setMult>0) cc_setmult(setMult);
   // entrée en mode debug
   cc_enter();
   // envoi de la commande getChipID :
@@ -364,6 +370,8 @@ int main(int argc,char *argv[])
 
   // sortie du mode debug et désactivation :
   cc_setActive(false);
+  // reboot
+  cc_reset();
   fclose(ficin);
 
 }