Use combined i2c_gpio driver

Makefile

@@ -22,7 +22,7 @@ INCLUDES := inc
 INCLUDES += $(PREFIX)/include/
 INCLUDES += $(EXTRA_INC)
 
-LIBS = ads1115 i2c_bb gpio_sys
+LIBS = ads1115 i2c_bb
 
 LD_FLAGS += $(addprefix -L,$(EXTRA_LIB_DIR))
 

src/main.c

@@ -7,22 +7,11 @@
 #include <stdio.h>
 #include <signal.h>
 
-#include <libgpio_sys/gpio.h>
 #include <libads1115/ads1115.h>
 
-static struct gpio_sys gpio_sda = {
-    .pin = 4,
-    .direction = 1,
-};
-
-static struct gpio_sys gpio_scl = {
-    .pin = 24,
-    .direction = 1,
-};
-
 static struct i2c_bb i2c_dev = {
-    .sda = &gpio_sda,
-    .scl = &gpio_scl,
+    .pin_sda = 4,
+    .pin_scl = 24,
 };
 
 static struct ads1115_dev ads = {