Some Chipcon devices have a resistor and capacitor on the !RST line.

[goodfet] / firmware / apps / chipcon / chipcon.c

diff --git a/firmware/apps/chipcon/chipcon.c b/firmware/apps/chipcon/chipcon.c
index fac551c..28bc52b 100644 (file)
--- a/firmware/apps/chipcon/chipcon.c
+++ b/firmware/apps/chipcon/chipcon.c
@@ -34,11 +34,12 @@
 #define MISO BIT2
 #define SCK  BIT3
 
+
 //This could be more accurate.
 //Does it ever need to be?
 #define CCSPEED 3
-//#define CCDELAY(x) delay(x)
-#define CCDELAY(x) 
+#define CCDELAY(x) delay(x)
+//#define CCDELAY(x) 
 
 #define SETMOSI P5OUT|=MOSI
 #define CLRMOSI P5OUT&=~MOSI
@@ -82,14 +83,21 @@ 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;
@@ -148,6 +156,7 @@ void cchandle(unsigned char app,
   //Might hurt too.
   //ccdebuginit();
   long i;
+  int blocklen, blockadr;
   
   switch(verb){
     //CC_PEEK and CC_POKE will come later.
@@ -187,6 +196,7 @@ 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 +254,18 @@ 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 +283,10 @@ 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;
@@ -344,13 +364,16 @@ 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
-    flash_word_size=0x02;
     //debugstr("2 bytes/flash word");
+    flash_word_size=0x02;
     break;
   default:
-    debugstr("Warning: Guessing flash word size.");
+    //debugstr("Warning: Guessing flash word size.");
+    //flash_word_size=0;
+    break;
   case 0x85://CC2430
   case 0x89://CC2431
     //debugstr("4 bytes/flash word");
@@ -455,8 +478,9 @@ void cc_write_flash_page(u32 adr){
     return;
   }
   
-  if(flash_word_size==0){
-    debugstr("Flash word size is wrong.");
+  if(flash_word_size!=2 && flash_word_size!=4){
+    debugstr("Flash word size is wrong, aborting write to");
+    debughex(adr);
     while(1);
   }
   
@@ -475,8 +499,7 @@ void cc_write_flash_page(u32 adr){
                  flash_word_size);
   
   //debugstr("Wrote flash routine.");
-  
-  
+    
   //MOV MEMCTR, (bank * 16) + 1;
   cmddata[0]=0x75;
   cmddata[1]=0xc7;
@@ -491,13 +514,13 @@ void cc_write_flash_page(u32 adr){
   
   
   while(!(cc_read_status()&CC_STATUS_CPUHALTED)){
-    P1OUT^=1;//blink LED while flashing
+    PLEDOUT^=PLEDPIN;//blink LED while flashing    
   }
   
   
   //debugstr("Done flashing.");
   
-  P1OUT&=~1;//clear LED
+  PLEDOUT&=~PLEDPIN;//clear LED
 }
 
 //! Read the PC