expander work

2026-03-30 20:57:29 -05:00
parent af60710405
commit 8c0b6823fd
9 changed files with 522 additions and 8 deletions
@@ -1 +1,12 @@
-void i2c_test();
+#ifndef I2C_H
+#define I2C_H
+
+#include "driver/i2c_master.h"
+
+#define MAIN_I2C_NUM I2C_NUM_0
+
+extern i2c_master_bus_handle_t i2c_main_bus_handle;
+
+void init_main_i2c();
+
+#endif // I2C_H