Merge pull request #130 from ut-ras/modm-rtt

Use modm RTT implementation for logging

.gitignore

@@ -3,6 +3,7 @@
 ut-robomaster/build/
 ut-robomaster/Pipfile.lock
 project.xml.log
+rtt.log
 
 .vscode/.cortex-debug.peripherals.state.json
 .vscode/.cortex-debug.registers.state.json

.vscode/launch.json

@@ -19,17 +19,17 @@
       },
       "rttConfig": {
         "enabled": true,
-        "address": "auto",
+        "address": "0x20000000",
+        "searchSize": 131072,
+        "searchId": "modm.rtt.modm",
         "decoders": [
           {
             "port": 0,
-            "type": "console"
+            "type": "console",
+            "logfile": "${workspaceRoot}/ut-robomaster/rtt.log"
           }
-        ]
+        ],
       },
-      "postResetCommands": [
-        "monitor rtt start"
-      ],
     },
   ]
 }

ut-robomaster/src/communication/rtt.hpp

@@ -1,17 +1,15 @@
-#include <stdio.h>
+#include "modm/io.hpp"
+#include "modm/platform/rtt/rtt.hpp"
 
-#include "rtt/SEGGER_RTT.h"
-
-int printf_rtt(const char* fmt, ...)
+namespace communication
 {
-    int r;
-    char data[64];
-    va_list params;
-
-    va_start(params, fmt);
-    r = vsnprintf(data, 64, fmt, params);
-    va_end(params);
-
-    SEGGER_RTT_Write(0, data, r);
-    return r;
-}
+class RttStream : public modm::IOStream
+{
+public:
+    RttStream() : IOStream(device) {}
+
+private:
+    modm::platform::Rtt rtt{0};
+    modm::IODeviceObjectWrapper<modm::platform::Rtt, modm::IOBuffer::DiscardIfFull> device{rtt};
+};
+}  // namespace communication