start work on mpu driver

components/mpu_driver/CMakeLists.txt

@@ -0,0 +1,7 @@
+set(COMPONENT_SRCS
+    "mpu_driver.c")
+set(COMPONENT_ADD_INCLUDEDIRS ".")
+
+register_component()
+
+component_compile_options("-Werror=incompatible-pointer-types")

components/mpu_driver/mpu_driver.c

@@ -0,0 +1,18 @@
+#include "mpu_driver.h"
+
+typedef struct mpu_s {
+} mpu_t;
+
+esp_err_t mpu_init(mpu_config_t *config, mpu_t **hndl_out) {
+  mpu_t *hndl = malloc(sizeof(mpu_t));
+  if (!hndl) return ESP_ERR_NO_MEM;
+  *hndl_out = hndl;
+
+  return ESP_OK;
+}
+
+esp_err_t mpu_free(mpu_t *hndl) {
+  free(hndl);
+
+  return ESP_OK;
+}

components/mpu_driver/mpu_driver.h

@@ -0,0 +1,11 @@
+#pragma once
+
+#include <esp_err.h>
+
+typedef struct mpu_config_s {
+} mpu_config_t;
+
+typedef struct mpu_s *mpu_hndl_t;
+
+esp_err_t mpu_init(mpu_config_t *config, mpu_hndl_t *hndl_out);
+esp_err_t mpu_free(mpu_hndl_t hndl);

main/CMakeLists.txt

@@ -11,7 +11,7 @@ list(APPEND COMPONENT_SRCS "ugv_main.c"
     "u8g2_esp32_hal.c"
     ${PROTO_SRCS})
 set(COMPONENT_PRIV_INCLUDEDIRS "." ${PB_OUT})
-set(COMPONENT_REQUIRES "u8g2" "sx127x_driver" "nanopb")
+set(COMPONENT_REQUIRES "u8g2" "sx127x_driver" "nanopb" "mpu_driver")
 
 register_component()