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-rw-r--r--src/arch/msp430fr5969lp/driver/i2c.cc4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/arch/msp430fr5969lp/driver/i2c.cc b/src/arch/msp430fr5969lp/driver/i2c.cc
index be41a50..0e0c376 100644
--- a/src/arch/msp430fr5969lp/driver/i2c.cc
+++ b/src/arch/msp430fr5969lp/driver/i2c.cc
@@ -2,6 +2,10 @@
#include "arch.h"
#include <msp430.h>
+#ifndef F_I2C
+#define F_I2C 100000
+#endif
+
volatile unsigned short old_ifg = 0;
signed char I2C::setup()