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-rw-r--r--src/include/usr/i2c/i2cif.H5
1 files changed, 5 insertions, 0 deletions
diff --git a/src/include/usr/i2c/i2cif.H b/src/include/usr/i2c/i2cif.H
index c33c83e32..4d9aa2ef0 100644
--- a/src/include/usr/i2c/i2cif.H
+++ b/src/include/usr/i2c/i2cif.H
@@ -26,6 +26,11 @@
#define __I2CIF_H
#include <list>
+// Handy macros to check i2c ranges
+// Pass in an instance of a TARGETING::ATTR_I2C_BUS_SPEED_ARRAY_type
+#define I2C_BUS_MAX_ENGINE(var) (sizeof(var)/sizeof(var[0]))
+#define I2C_BUS_MAX_PORT(var) (sizeof(var[0])/sizeof(var[0][0]))
+
namespace I2C
{
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