add better typing to I2C code, add I2C test routine in response.c

1 files changed, 3 insertions, 2 deletions

diff --git a/i2c.c b/i2c.c
index 02e5812..fc9d48a 100644
--- a/i2c.c
+++ b/i2c.c
@@ -4,12 +4,13 @@
 #include <sys/ioctl.h>
 #include <linux/i2c.h>
 #include <linux/i2c-dev.h>
+#include <glib.h>
 
 
 #define I2C_BUS "/dev/i2c-3"
 
 
-int I2C_Write(int address, int value) {
+int I2C_Write(gulong address, guchar value) {
 
 	struct i2c_smbus_ioctl_data argswrite;
 
@@ -29,7 +30,7 @@ int I2C_Write(int address, int value) {
 }
 
 
-int I2C_Read(int address) {
+guchar I2C_Read(gulong address) {
 
 	union i2c_smbus_data data;
         struct i2c_smbus_ioctl_data argsread;