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-rw-r--r--firmware/src/start/Cstartup.S3
1 files changed, 3 insertions, 0 deletions
diff --git a/firmware/src/start/Cstartup.S b/firmware/src/start/Cstartup.S
index a28b400..e262b8f 100644
--- a/firmware/src/start/Cstartup.S
+++ b/firmware/src/start/Cstartup.S
@@ -98,6 +98,9 @@
/* Olimex SAM7-Pxxx boards have a button B1 on PA19 that is low-active */
.equ PIO_BOOTLDR, (1 << 19)
#define CONFIG_DFU_SWITCH_INV
+#elif defined(SIMTRACE)
+ .equ PIO_BOOTLDR, (1 << 31)
+#define CONFIG_DFU_SWITCH_INV
#else
#error please define PIO_BOOTLDR for your board
#endif
personal git repositories of Harald Welte. Your mileage may vary