debug code to use the DWT unit
Change-Id: Ide6e34425e77425b260139ac1b4c528953a994f4
diff --git a/sysmoOCTSIM/main.c b/sysmoOCTSIM/main.c
index 959e7eb..a1b84b7 100644
--- a/sysmoOCTSIM/main.c
+++ b/sysmoOCTSIM/main.c
@@ -442,6 +442,29 @@
char sernr_buf[16*2+1];
char rstcause_buf[RSTCAUSE_STR_SIZE];
+#if 0
+CoreDebug->DEMCR |= CoreDebug_DEMCR_TRCENA_Msk ; //| /* tracing*/
+////CoreDebug_DEMCR_MON_EN_Msk; /* mon interupt catcher */
+
+
+DWT->COMP0 = 0x40003028; /* sercom 0 data */
+//DWT->COMP0 = 0x40003428; /* sercom 1 data */
+DWT->MASK0 = 0; /* 0 */
+DWT->FUNCTION0 = 0; /* has to be 0 for linked address */
+
+DWT->COMP1 = 0xa5; /* value */
+DWT->MASK1 = 0; /* match all bits */
+DWT->FUNCTION1 = (0b10 << DWT_FUNCTION_DATAVSIZE_Pos) | /* DATAVSIZE 10 - dword */
+#if 1
+(0 << DWT_FUNCTION_DATAVADDR0_Pos) | /* Data Match linked addr pointer in COMP0 */
+#else
+(1 << DWT_FUNCTION_DATAVADDR0_Pos) | /* Data Match on any addr -> own number */
+#endif
+(1 << DWT_FUNCTION_DATAVMATCH_Pos) | /* DATAVMATCH Enable data comparation */
+(0b0111 << DWT_FUNCTION_FUNCTION_Pos); /* generate a watchpoint event on rw */
+
+#endif
+
atmel_start_init();
get_chip_unique_serial_str(sernr_buf, sizeof(sernr_buf));
get_rstcause_str(rstcause_buf);