Backwards compatibility with <1.2.3 by overriding BOARD_VER_MICRO when making.

.gitlab-ci.yml

 image: kalledk/docker-avr-toolchain
   
-build:
+1.2.3:
   script:
     - cd DSTAT
     - make
   artifacts:
     name: "${CI_BUILD_NAME}_${CI_BUILD_REF_NAME}"
     paths:
-      - DSTAT/*.hex
+      - DSTAT/dstat-firmware.hex
+      - DSTAT/dstat-firmware.elf
+      
+pre-1.2.3:
+  script:
+    - cd DSTAT
+    - make BOARD_VER_MICRO=0
+  artifacts:
+    name: "${CI_BUILD_NAME}_${CI_BUILD_REF_NAME}"
+    paths:
+      - DSTAT/dstat-firmware.hex
+      - DSTAT/dstat-firmware.elf

config.mk

@@ -48,6 +48,11 @@ AVRDUDE_DEV = x256a3u
 AVRDUDE_PROG = avrispmkII
 AVRDUDE_PORT = usb
 
+# Board Settings
+BOARD_VER_MAJOR = 1
+BOARD_VER_MINOR = 2
+BOARD_VER_MICRO = 3
+
 # Application target name. Given with suffix .a for library and .elf for a
 # standalone application.
 TARGET = dstat-firmware.elf
@@ -104,11 +109,14 @@ CFLAGS =
 CPPFLAGS = \
        -D BOARD=USER_BOARD                               \
        -D IOPORT_XMEGA_COMPAT                            \
-	   -D F_CPU=$(F_CPU)UL
+	   -D F_CPU=$(F_CPU)UL                               \
+       -D BOARD_VER_MAJOR=$(BOARD_VER_MAJOR)             \
+       -D BOARD_VER_MINOR=$(BOARD_VER_MINOR)             \
+       -D BOARD_VER_MICRO=$(BOARD_VER_MICRO)
 
 # Extra flags to use when linking
 LDFLAGS = -Wl,-u,vfprintf -lprintf_flt -Wl,-u,vfscanf -lscanf_flt
 
 # Pre- and post-build commands
 PREBUILD_CMD = 
-POSTBUILD_CMD = 
\ No newline at end of file
+POSTBUILD_CMD = 

src/config/conf_board.h

@@ -10,10 +10,6 @@
 
 #include <ioport.h>
 
-#define BOARD_VER_MAJOR 1
-#define BOARD_VER_MINOR 2
-#define BOARD_VER_MICRO 3
-
 #if BOARD_VER_MAJOR >= 1 && BOARD_VER_MINOR >= 2 && BOARD_VER_MICRO >=3
     #define BOARD_XOSC_HZ          12000000
     #define BOARD_XOSC_TYPE        XOSC_TYPE_XTAL

src/main.c

@@ -13,6 +13,7 @@
 #include <string.h>
 #include <math.h>
 #include <stdint.h>
+#include "conf_board.h"
 
 //Internal function declarations
 int8_t command_handler(char command);
@@ -69,8 +70,10 @@ int main(void){
     cpu_irq_enable();
     
 	board_init();
-    ioport_set_pin_dir(LED1, IOPORT_DIR_OUTPUT);
-    ioport_set_pin_dir(LED2, IOPORT_DIR_OUTPUT);
+    #if BOARD_VER_MAJOR >= 1 && BOARD_VER_MINOR >= 2 && BOARD_VER_MICRO >=3
+        ioport_set_pin_dir(LED1, IOPORT_DIR_OUTPUT);
+        ioport_set_pin_dir(LED2, IOPORT_DIR_OUTPUT);
+    #endif
 	pot_init();
 	pmic_init();
 	
@@ -117,10 +120,14 @@ int main(void){
     stdio_usb_enable();
     
 	program_loop:
-        ioport_set_pin_level(LED1, 1);
+        #if BOARD_VER_MAJOR >= 1 && BOARD_VER_MINOR >= 2 && BOARD_VER_MICRO >=3
+            ioport_set_pin_level(LED1, 1);
+        #endif
 		while(getchar() != '!');
 		printf ("C\r\n");
-        ioport_set_pin_level(LED1, 0);
+        #if BOARD_VER_MAJOR >= 1 && BOARD_VER_MINOR >= 2 && BOARD_VER_MICRO >=3
+            ioport_set_pin_level(LED1, 1);
+        #endif
 		command_handler(getchar());
 	goto program_loop;
 }