[GSW-43] Flow Control for sending huge amount of data over DLT. partialy fixed

1 files changed, 20 insertions, 1 deletions

diff --git a/include/dlt/dlt_common.h b/include/dlt/dlt_common.h
index a13787b..44c1f33 100755
--- a/include/dlt/dlt_common.h
+++ b/include/dlt/dlt_common.h
@@ -555,6 +555,10 @@ typedef struct
     uint32_t    pos_write;  /**< current writing position in bytes*/
     uint32_t    pos_read;   /**< current reading position in bytes*/
     uint32_t    count;      /**< nr. of entries */
+    uint32_t	minimum_size;	/**< minimum value for the buffer  */
+    uint32_t	increasing_size;	/**< increasing value for the buffer	*/
+    uint32_t	maximum_size;	/**< maximum value for the buffer*/
+    
 } DltRingBuffer;
 
 #ifdef __cplusplus
@@ -938,7 +942,7 @@ extern "C"
      * @param size Maximum size of buffer in bytes
      * @return negative value if there was an error
      */
-    int dlt_ringbuffer_init(DltRingBuffer *dltbuf, uint32_t size);
+    int dlt_ringbuffer_init(DltRingBuffer *dltbuf, uint32_t size, uint32_t increase_size, uint32_t max_size);
 
     /**
      * Release and free memory used by ringbuffer
@@ -969,6 +973,21 @@ extern "C"
      */
     int dlt_ringbuffer_put3(DltRingBuffer *dltbuf, void *data1, uint32_t size1, void *data2, uint32_t size2, void *data3, uint32_t size3);
 
+	 /**
+     * This method writes the size of message
+     * @param dltbuf Pointer to ringbuffer structure
+     * @param data_size Pointer to size of data to be written
+     * @param unit_size Size of uint32_t   
+     */
+	void dlt_ringbuffer_putMessageSize(DltRingBuffer *dltbuf,uint32_t * data_size, uint32_t unit_size);
+	
+	 /**
+     * This method reads the size of a message 
+     * @param dltbuf Pointer to ringbuffer structure
+     * @param unit_size Size of uint32_t 
+     * @return size of the message  
+     */
+	int dlt_ringbuffer_getMessageSize(DltRingBuffer *dltbuf, uint32_t unit_size);
     /**
      * Read one entry from ringbuffer
      * @param dltbuf Pointer to ringbuffer structure