Enable AVR build test

.github/workflows/tests.yml

@@ -173,7 +173,7 @@ jobs:
 
   build-platformio:
     runs-on: ubuntu-latest
-    timeout-minutes: 5
+    timeout-minutes: 10
 
     steps:
     - uses: actions/checkout@v1
@@ -189,6 +189,11 @@ jobs:
       run: |
         cd platforms/arduino
         pio run -e mkr1000
+    - name: Build Arduino Mega 1280
+      run: |
+        cd platforms/arduino
+        pio run -e mega1280
+        ! nm .pio/build/mega1280/firmware.elf | grep printf
     - name: Build ESP8266
       run: |
         cd platforms/esp8266
@@ -209,6 +214,14 @@ jobs:
       run: |
         cd platforms/arduino
         pio run -e tinyBLE
+    - name: Build MXChip AZ3166
+      run: |
+        cd platforms/arduino
+        pio run -e az3166
+    - name: Build Sipeed MAIX
+      run: |
+        cd platforms/arduino
+        pio run -e maix
 
   build-esp32-idf:
     runs-on: ubuntu-latest

platforms/arduino/platformio.ini

@@ -12,15 +12,16 @@
 default_envs =
   mkr1000
   due
+  mega1280
   tinyBLE
   blenano
   blenano2
   teensy31
   bluepill-mapple
-  #bluepill          TODO: region `FLASH' overflowed by 4484 bytes
+  bluepill
   az3166
-  #maix              TODO: undefined reference to `clock_gettime'
-  #titiva            TODO: undefined reference to `_exit' and no LED_BUILTIN
+  maix
+  #titiva            TODO: undefined reference to `_exit'
 
 [env:mkr1000]
 platform = atmelsam
@@ -43,6 +44,36 @@ src_build_flags =
   -O3 -Wfatal-errors
   -flto
 
+[env:mega1280]
+platform = atmelavr
+board = megaatmega1280
+framework = arduino
+monitor_speed = 115200
+
+src_build_flags =
+  -Os -Wfatal-errors
+  -flto
+
+[env:mega2560]
+platform = atmelavr
+board = megaatmega2560
+framework = arduino
+monitor_speed = 115200
+
+src_build_flags =
+  -Os -Wfatal-errors
+  -flto
+
+[env:mega1284]
+platform = atmelavr
+board = wildfirev3
+framework = arduino
+monitor_speed = 115200
+
+src_build_flags =
+  -Os -Wfatal-errors
+  -flto
+
 [env:tinyBLE]
 platform = nordicnrf51
 board = seeedTinyBLE
@@ -95,7 +126,7 @@ upload_protocol = stlink
 monitor_speed = 115200
 
 src_build_flags =
-  -Dd_m3FixedHeap=8192 -Dd_m3LogOutput=false
+  -Dd_m3FixedHeap=8192
   -Os -Wfatal-errors
   -flto
 
@@ -107,7 +138,7 @@ upload_protocol = stlink
 monitor_speed = 115200
 
 src_build_flags =
-  -Dd_m3FixedHeap=8192 -Dd_m3LogOutput=false
+  -Dd_m3FixedHeap=8192
   -Os -Wfatal-errors
   -flto
 
@@ -138,4 +169,5 @@ framework = arduino
 monitor_speed = 115200
 
 src_build_flags =
+  -DLED_BUILTIN=13
   -O3 -Wfatal-errors

source/m3_config_platforms.h

@@ -185,33 +185,40 @@ static inline uint64_t strtoull ( const char* str, char ** endptr, int base ) {
 # elif defined (FOMU)
 #   define vectorcall __attribute__((section(".ramtext")))
 # elif defined(HIFIVE1)
-#   include <metal/itim.h>
 #   define vectorcall
 # else
 #   define vectorcall
 # endif
 
 
-# if defined(PARTICLE)
+// Device-specific defaults
+# if defined(ESP8266)
 #  define d_m3LogOutput                         false
-#  define d_m3MaxFunctionStackHeight            256
-# elif defined(ESP8266)
-#  define d_m3LogOutput                         false
-#  define d_m3MaxFunctionStackHeight            256
+#  define d_m3MaxFunctionStackHeight            64
 #  define d_m3FixedHeap                         (8*1024)
 # elif defined(WM_W600)
-#  define d_m3MaxFunctionStackHeight            256
+#  define d_m3MaxFunctionStackHeight            64
 # elif defined(BLUE_PILL)
 #  define d_m3LogOutput                         false
-#  define d_m3MaxFunctionStackHeight            256
+#  define d_m3MaxFunctionStackHeight            64
 #  define d_m3FixedHeap                         (8*1024)
 # elif defined(FOMU)
 #  define d_m3LogOutput                         false
-#  define d_m3MaxFunctionStackHeight            256
-#  define d_m3FixedHeap                         (8*1024)
-# elif defined(__AVR__)
-#  define d_m3LogOutput                         false
 #  define d_m3MaxFunctionStackHeight            64
+#  define d_m3FixedHeap                         (8*1024)
+#endif
+
+// Platform-specific defaults
+# if defined(ARDUINO) || defined(PARTICLE) || defined(__MBED__)
+#  ifndef d_m3LogOutput
+#    define d_m3LogOutput                       false
+#  endif
+#  ifndef d_m3VerboseLogs
+#    define d_m3VerboseLogs                     false
+#  endif
+#  ifndef d_m3MaxFunctionStackHeight
+#    define d_m3MaxFunctionStackHeight          64
+#  endif
 # endif
 
-#endif
+#endif // m3_config_platforms_h