Diff: bt_network/BleUartRPC/Dispatcher.h

Revision:

6:98af441fd960

Parent:

5:9233e88b9c83

Child:

7:203c348ccc66

--- a/bt_network/BleUartRPC/Dispatcher.h	Mon Feb 16 06:37:35 2015 +0000
+++ b/bt_network/BleUartRPC/Dispatcher.h	Tue Feb 17 02:56:36 2015 +0000
@@ -25,18 +25,19 @@
  
  #include "BLEDevice.h"
  #include "UARTService.h"
- 
- #include "Buffer.h"
+  
+ #define MAX_PACKET_LENGTH          512            // longest packet we will send
+ #define MAX_ARGUMENT_LENGTH        512            // longest argument sent as parameter list
+ #define MAX_RESULT_LENGTH          512            // longest result received 
+ #define UART_SEGMENT_LENGTH        20             // BLE: max UART MTU (will trigger send immediately...)
  
  class Dispatcher {
      public:
         /**
         Default constructor
         @param ble the BLEDevice instance
-        @param rxsize the size of the receive ring buffer (default is 1024)
-        @param txsize the size of the transmit ring buffer (default is 1024)
         */
-        Dispatcher(BLEDevice &ble,int rxsize = 1024,int txsize = 1024);
+        Dispatcher(BLEDevice &ble);
         
         /**
         Dispatch function request with arguments (already serialized and prepared for transport)
@@ -45,14 +46,17 @@
         @param args_length the length of the serialized function argument list
         @param response the received response buffer
         @param response_length the recieved response buffer length
-        @returns true - dispatch succeeded, false - otherwise
+        @returns number of bytes sent in dispatch() or -1 if in failure
         */
-        bool dispatch(uint8_t fn_id,uint8_t *args,int args_length,uint8_t *response,int response_length);
+        int dispatch(uint8_t fn_id,uint8_t *args,int args_length,uint8_t *response,int response_length);
         
      private:
+        int          uart_write(uint8_t *data,int data_length);
+        int          prepare_send_packet(uint8_t fn_id,uint8_t *args,int args_length);
+        
+        uint8_t      m_send_packet[MAX_PACKET_LENGTH+1];
+
         UARTService  m_uart;
-        Buffer<char> m_rxbuf;
-        Buffer<char> m_txbuf;
  };
  
  #endif // __RPC_DISPATCH_H__
\ No newline at end of file