Added StorageInfo transaction support

git-svn-id: https://svn.code.sf.net/p/gphoto/code/trunk/libgphoto2@4269 67ed7778-7388-44ab-90cf-0a291f65f57c

camlibs/ptp/ptp-pack.c

@@ -115,7 +115,7 @@ ptp_unpack_uint32_t_array(PTPParams *params, PTPReq *req, uint16_t offset, uint3
 #define PTP_di_VendorExtensionVersion	 6
 #define PTP_di_VendorExtensionDesc	 8
 
-// ObjectHandles pack/unpack
+// ObjectHandles array pack/unpack
 
 #define PTP_oh				 0
 
@@ -125,7 +125,7 @@ ptp_unpack_OH (PTPParams *params, PTPReq *req, PTPObjectHandles *oh)
 	oh->n = ptp_unpack_uint32_t_array(params, req, PTP_oh, oh->handler);
 }
 
-// StoreIDs pack/unpack
+// StoreIDs array pack/unpack
 
 #define PTP_sids			 0
 
@@ -136,6 +136,33 @@ ptp_unpack_SIDs (PTPParams *params, PTPReq *req, PTPStorageIDs *sids)
 	sids->storage);
 }
 
+// StorageInfo pack/unpack
+
+#define PTP_si_StorageType		 0
+#define PTP_si_FilesystemType		 2
+#define PTP_si_AccessCapability		 4
+#define PTP_si_MaxCapability		 6
+#define PTP_si_FreeSpaceInBytes		14
+#define PTP_si_FreeSpaceInImages	22
+#define PTP_si_StorageDescription	26
+
+static inline void
+ptp_unpack_SI (PTPParams *params, PTPReq *req, PTPStorageInfo *si)
+{
+	uint8_t storagedescriptionlen;
+
+	si->StorageType=dtoh16a(&req->data[PTP_si_StorageType]);
+	si->FilesystemType=dtoh16a(&req->data[PTP_si_FilesystemType]);
+	si->AccessCapability=dtoh16a(&req->data[PTP_si_AccessCapability]);
+	// XXX no dtoh64a !!! skiping next two
+	si->FreeSpaceInImages=dtoh32a(&req->data[PTP_si_FreeSpaceInImages]);
+	si->StorageDescription=ptp_unpack_string(params, req,
+		PTP_si_StorageDescription, &storagedescriptionlen);
+	si->VolumeLabel=ptp_unpack_string(params, req,
+		PTP_si_StorageDescription+storagedescriptionlen*2+1,
+		&storagedescriptionlen);
+}
+
 // ObjectInfo pack/unpack
 
 #define PTP_oi_StorageID		 0

camlibs/ptp/ptp.c

@@ -312,6 +312,30 @@ ptp_getstorageids (PTPParams* params, PTPStorageIDs* storageids)
 	return ret;
 }
 
+/**
+ * ptp_getststorageinfo:
+ * params:	PTPParams*
+ *		storageid		- StorageID
+ *
+ * Gets StorageInfo dataset of desired storage and fills storageinfo
+ * structure.
+ *
+ * Return values: Some PTP_RC_* code.
+ **/
+uint16_t
+ptp_getstorageinfo (PTPParams* params, uint32_t storageid,
+			PTPStorageInfo* storageinfo)
+{
+	uint16_t ret;
+	PTPReq si;
+	PTPReq req;
+
+	ret=ptp_transaction(params, &req, PTP_OC_GetStorageInfo,
+		PTP_DP_GETDATA | PTP_RQ_PARAM1, PTP_REQ_DATALEN, &si);
+	ptp_unpack_SI(params, &si, storageinfo);
+	return ret;
+}
+
 /**
  * ptp_getobjecthandles:
  * params:	PTPParams*

camlibs/ptp/ptp.h

@@ -268,6 +268,27 @@ typedef struct _PTPObjectInfo PTPObjectInfo;
 #define PTP_PS_NoProtection			0x0000
 #define PTP_PS_ReadOnly				0x0001
 
+// PTP Storage Types
+
+#define PTP_ST_Undefined			0x0000
+#define PTP_ST_FixedROM				0x0001
+#define PTP_ST_RemovableROM			0x0002
+#define PTP_ST_FixedRAM				0x0003
+#define PTP_ST_RemovableRAM			0x0004
+
+// PTP FilesystemType Values
+
+#define PTP_FST_Undefined			0x0000
+#define PTP_FST_GenericFlat			0x0001
+#define PTP_FST_GenericHierarchical		0x0002
+#define PTP_FST_DCF				0x0003
+
+// PTP StorageInfo AccessCapability Values
+
+#define PTP_AC_ReadWrite			0x0000
+#define PTP_AC_ReadOnly				0x0001
+#define PTP_AC_ReadOnly_with_Object_Deletion	0x0002
+
 // Glue stuff
 
 typedef short (* PTPIOReadFunc)  (unsigned char *bytes, unsigned int size,

camlibs/ptp/test_ptp.c

@@ -68,9 +68,9 @@ PTPParams* ptp_params;
 	
 	ptp_opensession (ptp_params, 1);
 
-	sleep(4);
+	sleep(3);
 	printf("Checking event ep\n");
-	ret=usb_bulk_read(device_handle, eventep, buf, 16384, 100);
+	ret=usb_bulk_read(device_handle, eventep, buf, 16384, 5000);
 	if (ret<=0) {
 		perror ("bulk_read():");
 	} else {