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Diffstat (limited to 'src/drivers/ao_mma655x.h')
-rw-r--r--src/drivers/ao_mma655x.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/src/drivers/ao_mma655x.h b/src/drivers/ao_mma655x.h
index 2d951e07..e57e3377 100644
--- a/src/drivers/ao_mma655x.h
+++ b/src/drivers/ao_mma655x.h
@@ -78,6 +78,14 @@
#define AO_MMA655X_COUNT 0x15
#define AO_MMA655X_OFFCORR 0x16
+/*
+ * Range of valid self-test difference from
+ * normal measurement
+ */
+
+#define AO_ST_MIN 300
+#define AO_ST_MAX 800
+
extern uint16_t ao_mma655x_current;
void