Removed unneeded and apparently unneighborly delays in the Chipcon target.
[goodfet] / firmware / apps / chipcon / chipcon.c
index 4b0e0df..392e900 100644 (file)
 #include <io.h>
 #include <iomacros.h>
 
+//! Handles a chipcon command.
+void cc_handle_fn( uint8_t const app,
+                                  uint8_t const verb,
+                                  uint32_t const len);
+
+// define the jtag app's app_t
+app_t const chipcon_app = {
+
+       /* app number */
+       CHIPCON,
+
+       /* handle fn */
+       cc_handle_fn,
+
+       /* name */
+       "CHIPCON",
+
+       /* desc */
+       "\tThe CHIPCON app adds support for debugging the chipcon\n"
+       "\t8051 processor.\n"
+};
 
 /* Concerning clock rates, the maximimum clock rates are defined on
    page 4 of the spec.  They vary, but are roughly 30MHz.  Raising
@@ -34,6 +55,7 @@
 #define MISO BIT2
 #define SCK  BIT3
 
+
 //This could be more accurate.
 //Does it ever need to be?
 #define CCSPEED 3
@@ -82,14 +104,21 @@ void ccdebuginit(){
   //Two positive debug clock pulses while !RST is low.
   //Take RST low, pulse twice, then high.
   P5OUT&=~SCK;
+  delay(10);
   P5OUT&=~RST;
   
+  delay(10);
+  
   //Two rising edges.
   P5OUT^=SCK; //up
+  delay(1);
   P5OUT^=SCK; //down
+  delay(1);
   P5OUT^=SCK; //up
+  delay(1);
   P5OUT^=SCK; //Unnecessary.
-  
+  delay(1);
+  //delay(0);
   
   //Raise !RST.
   P5OUT|=RST;
@@ -140,14 +169,16 @@ void ccread(unsigned char len){
     cmddata[i]=cctrans8(0);
 }
 
-//! Handles a monitor command.
-void cchandle(unsigned char app,
-              unsigned char verb,
-              unsigned long len){
+//! Handles a chipcon command.
+void cc_handle_fn( uint8_t const app,
+                                  uint8_t const verb,
+                                  uint32_t const len)
+{
   //Always init.  Might help with buggy lines.
   //Might hurt too.
   //ccdebuginit();
   long i;
+  int blocklen, blockadr;
   
   switch(verb){
     //CC_PEEK and CC_POKE will come later.
@@ -187,6 +218,7 @@ void cchandle(unsigned char app,
     
   //Micro commands!
   case CC_CHIP_ERASE:
+  case CC_MASS_ERASE_FLASH:
     cc_chip_erase();
     txdata(app,verb,1);
     break;
@@ -244,9 +276,18 @@ void cchandle(unsigned char app,
     txdata(app,verb,1);
     break;
   case CC_READ_XDATA_MEMORY:
-    cmddata[0]=cc_peekdatabyte(cmddataword[0]);
-    txdata(app,verb,1);
+    //Read the length.
+    blocklen=1;
+    if(len>2)
+      blocklen=cmddataword[1];
+    blockadr=cmddataword[0];
+    
+    //Return that many bytes.
+    for(i=0;i<blocklen;i++)
+      cmddata[i]=cc_peekdatabyte(blockadr+i);
+    txdata(app,verb,blocklen);
     break;
+    
   case CC_WRITE_XDATA_MEMORY:
     cmddata[0]=cc_pokedatabyte(cmddataword[0], cmddata[2]);
     txdata(app,verb,1);
@@ -264,9 +305,10 @@ void cchandle(unsigned char app,
       cc_pokedatabyte(i,0xFF);
     txdata(app,verb,0);
     break;
-  case CC_MASS_ERASE_FLASH:
+  
   case CC_CLOCK_INIT:
   case CC_PROGRAM_FLASH:
+  default:
     debugstr("This Chipcon command is not yet implemented.");
     txdata(app,NOK,0);//TODO implement me.
     break;
@@ -344,6 +386,7 @@ unsigned short cc_get_chip_id(){
   //Find the flash word size.
   switch(cmddata[0]){
   case 0x01://CC1110
+  case 0x11://CC1111
   case 0x81://CC2510
   case 0x91://CC2511
     //debugstr("2 bytes/flash word");