Added function to disable a channel (this way it can be reused later)

Author: morcibacsi

library.properties

@@ -1,5 +1,5 @@
 name=Atmel TSS463C VAN bus Datalink Controller library
-version=1.2.0
+version=1.3.0
 author=Peter Pinter <pinterpeti@gmail.com>
 maintainer=Peter Pinter <pinterpeti@gmail.com>
 sentence=A library for the Atmel TSS463C VAN Datalink Controller with SPI

src/tss463_van.cpp

@@ -362,11 +362,19 @@ uint8_t TSS463_VAN::get_memory_address_to_use(uint8_t channelId, uint8_t message
     {
         return channels[channelId].MemoryLocation;
     }
+    else
+    {
+        if (channels[channelId].MessageLength != 0 && channels[channelId].MessageLength <= messageLength)
+        {
+            return channels[channelId].MemoryLocation;
+        }
+    }
 
     uint8_t result = next_free_memory_address;
     if (next_free_memory_address + messageLength <= TSS463C_RAM_SIZE_IN_BYTES - 1)
     {
         channels[channelId].MemoryLocation = next_free_memory_address;
+        channels[channelId].MessageLength = messageLength;
         next_free_memory_address = next_free_memory_address + messageLength;
 
         return result;

src/tss463_van.h

@@ -53,6 +53,7 @@
 typedef struct ChannelSetup {
     uint8_t MessageLengthAndStatusRegisterValue;
     uint8_t MemoryLocation;
+    uint8_t MessageLength;
     uint16_t Identifier;
     bool IsOccupied;
 };
@@ -83,7 +84,6 @@ class TSS463_VAN
     uint8_t registers_get(uint8_t address, volatile uint8_t values[], uint8_t count);
     void registers_set(uint8_t address, const uint8_t values[], uint8_t n);
     void setup_channel(uint8_t channelId, uint16_t identifier, uint8_t id1, uint8_t id2, uint8_t id2AndCommand, uint8_t messagePointer, uint8_t lengthAndStatus);
-    void disable_channel(uint8_t channelId);
     uint8_t get_memory_address_to_use(uint8_t channelId, uint8_t messageLength);
     bool is_valid_channel(uint8_t channelId, uint16_t identifier);
 public:
@@ -103,6 +103,7 @@ class TSS463_VAN
     uint8_t get_last_channel();
     void set_value_in_channel(uint8_t channelId, uint8_t index0, uint8_t value);
     void begin();
+    void disable_channel(uint8_t channelId);
 };
 
 extern TSS463_VAN VAN;