px4_manifest:Add Queries

platforms/common/include/px4_platform_common/mtd_manifest.h

@@ -41,6 +41,8 @@ typedef enum  {
 	MTD_ID          = 5,
 	MTD_NET         = 6,
 } px4_mtd_types_t;
+#define PX4_MFT_MTD_TYPES  {MTD_PARAMETERS, MTD_WAYPOINTS, MTD_CALDATA, MTD_MFT, MTD_ID, MTD_NET}
+#define PX4_MFT_MTD_STR_TYPES  {"MTD_PARAMETERS", "MTD_WAYPOINTS", "MTD_CALDATA", "MTD_MFT", "MTD_ID", "MTD_NET"}
 
 typedef struct  {
 	const px4_mtd_types_t   type;
@@ -77,4 +79,27 @@ __BEGIN_DECLS
 
 __EXPORT int px4_mtd_config(const px4_mtd_manifest_t *mft_mtd);
 
+/************************************************************************************
+ * Name: px4_mtd_query
+ *
+ * Description:
+ *   A Query interface that will lookup a type and either a) verify it exists  by
+ *   value.
+ *
+ *   or it will return the path for a type.
+ *
+ *
+ * Input Parameters:
+ *  type  - a string-ized version of px4_mtd_types_t
+ *  value - string to verity is that type.
+ *  get   - a pointer to a string to optionally return the path for the type.
+ *
+ * Returned Value:
+ *   non zero if error
+ *   0 (get == null) item by type and value was found.
+ *   0 (get !=null) item by type's value is returned at get;
+ *
+ ************************************************************************************/
+__EXPORT int px4_mtd_query(const char *type, const char *val, const char **get = nullptr);
+
 __END_DECLS

platforms/common/include/px4_platform_common/px4_manifest.h

@@ -36,8 +36,12 @@
 typedef enum  {
 	MFT = 0,
 	MTD = 1,
+	LAST_MFT_TYPE
 } px4_manifest_types_e;
 
+/* must match  px4_manifest_types_e */
+#define PX4_MFT_TYPES     {MFT, MTD}
+#define PX4_MFT_STR_TYPES {"MFT", "MTD"}
 
 typedef struct  {
 
@@ -99,4 +103,22 @@ __EXPORT const px4_mft_s *board_get_manifest(void);
  ************************************************************************************/
 
 __EXPORT int px4_mft_configure(const px4_mft_s *mft);
+
+/************************************************************************************
+ * Name: px4_mft_configure
+ *
+ * Description:
+ *   The Px4 layer will provide this interface to start/configure the
+ *   hardware.
+ *
+ * Input Parameters:
+ *  mft    - a pointer to the manifest
+ *
+ * Returned Value:
+ *   non zero if error
+ *
+ ************************************************************************************/
+
+__EXPORT int px4_mft_query(const px4_mft_s *mft, px4_manifest_types_e type,
+			   const char *sub, const char *val);
 __END_DECLS

platforms/common/include/px4_platform_common/px4_mtd.h

@@ -40,6 +40,7 @@ __BEGIN_DECLS
 typedef struct {
 	struct mtd_dev_s *mtd_dev;
 	int              *partition_block_counts;
+	int              *partition_types;
 	const char       **partition_names;
 	struct mtd_dev_s **part_dev;
 	uint32_t         devid;