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Diffstat (limited to 'firmware/export/i2c.h')
-rw-r--r--firmware/export/i2c.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/firmware/export/i2c.h b/firmware/export/i2c.h
index ed9a5e6..ba694d0 100644
--- a/firmware/export/i2c.h
+++ b/firmware/export/i2c.h
@@ -22,7 +22,7 @@
extern void i2c_init(void);
extern void i2c_begin(void);
extern void i2c_end(void);
-extern int i2c_write(int device, unsigned char* buf, int count );
+extern int i2c_write(int device, const unsigned char* buf, int count );
extern int i2c_read(int device, unsigned char* buf, int count );
extern int i2c_readmem(int device, int address, unsigned char* buf, int count );
extern void i2c_outb(unsigned char byte);