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-rw-r--r--i2c.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/i2c.c b/i2c.c
index 84a9338..4f1e7cf 100644
--- a/i2c.c
+++ b/i2c.c
@@ -1,3 +1,4 @@
+#include "globals.h"
#include <stdio.h>
#include <unistd.h>
#include <fcntl.h>
@@ -22,8 +23,8 @@ void I2C_Write(gulong address, guchar value)
int device = open(I2C_BUS, O_RDWR);
- // FIXME?
if (device == -1) {
+ g_print_debug("ERROR: could not open I2C bus %s\n", I2C_BUS);
return;
}