Move display into a separate component WIP.

Compiles, but does not work correctly yet.

esp/cpp/components/i2c/include/i2c.h

@@ -8,10 +8,10 @@
 #ifndef I2C_H
 #define I2C_H
 
-#define I2C_BUS_PORT  0
+#define I2C_BUS_PORT 0
 
-#include <esp_log.h>
 #include <driver/i2c_master.h>
+#include <esp_log.h>
 
 /// Tag used for ESP logging.
 static const char* I2C_TAG = "I2C component";
@@ -22,7 +22,7 @@ static const char* I2C_TAG = "I2C component";
  *
  * @param config ESP I2C master bus configuration.
  */
-inline void I2C_config_init(const i2c_master_bus_config_t config)
+static void I2C_config_init(const i2c_master_bus_config_t config)
 {
     i2c_master_bus_handle_t i2c;
     ESP_LOGI(I2C_TAG, "Initializing new master I2C bus");
@@ -36,19 +36,19 @@ inline void I2C_config_init(const i2c_master_bus_config_t config)
  * @param sda GPIO pin for SDA
  * @param scl GPIO pin for SCL
  */
-inline void I2C_init(gpio_num_t sda, gpio_num_t scl)
+static void I2C_init(gpio_num_t sda, gpio_num_t scl)
 {
     return I2C_config_init((i2c_master_bus_config_t){
-            .i2c_port = I2C_BUS_PORT,
-            .sda_io_num = sda,
-            .scl_io_num = scl,
-            .clk_source = I2C_CLK_SRC_DEFAULT,
-            .glitch_ignore_cnt = 7,
-            .flags = {
+        .i2c_port = I2C_BUS_PORT,
+        .sda_io_num = sda,
+        .scl_io_num = scl,
+        .clk_source = I2C_CLK_SRC_DEFAULT,
+        .glitch_ignore_cnt = 7,
+        .flags =
+            {
                 .enable_internal_pullup = true,
             },
-        }
-    );
+    });
 }
 
 /**
@@ -62,4 +62,4 @@ static i2c_master_bus_handle_t I2C_get()
     return i2c;
 }
 
-#endif //I2C_H
+#endif // I2C_H