Added back in the jtag bridge

Now talking over the bus instead of using dpram

sw/sweep/Makefile

@@ -35,7 +35,7 @@ $(TARGET).bin: $(TARGET).elf
 	$(OBJCOPY) -O binary $< $@
 
 $(TARGET).hex: $(TARGET).bin
-	hexdump -v -e '1/1 "%02x\n"' $< > $@
+	hexdump -v -e '1/4 "%08x\n"' $< > $@
 
 $(TARGET).coe: $(TARGET).hex
 	$(HEX_TO_COE) $< $@

sw/sweep/link.ld

@@ -31,5 +31,5 @@ SECTIONS
   } > RAM
 
   . = ALIGN(4);
-  __stack_top = ORIGIN(RAM) + LENGTH(RAM) - 256;
+  __stack_top = ORIGIN(RAM) + LENGTH(RAM);
 }

sw/sweep/sweep.c

@@ -26,7 +26,7 @@ static inline void irq_init() {
 
 void timer_isr(){
     static int set = 0;
-    *TIMER = 1840000*4;
+    *TIMER = 1840000*2;
     *LEDGR = ~(*LEDGR);
 }
 
@@ -34,7 +34,7 @@ void main(){
     irq_init();
 
     *LEDGR = 3;
-    *TIMER = 1840000*4;
+    *TIMER = 1840000*2;
 
     for(;;){
         for(int i=1000; i<10000; i++){