feat: provide default board definition

.pre-commit-config.yaml

@@ -19,6 +19,7 @@ repos:
     rev: v3.0.2
     hooks:
       - id: prettier
+        exclude: \.vscode/.*
   - repo: https://github.com/jumanjihouse/pre-commit-hooks
     rev: 3.0.0
     hooks:

.vscode/extensions.json

@@ -1,6 +1,10 @@
 {
-  // See http://go.microsoft.com/fwlink/?LinkId=827846
-  // for the documentation about the extensions.json format
-  "recommendations": ["platformio.platformio-ide"],
-  "unwantedRecommendations": ["ms-vscode.cpptools-extension-pack"]
+    // See http://go.microsoft.com/fwlink/?LinkId=827846
+    // for the documentation about the extensions.json format
+    "recommendations": [
+        "platformio.platformio-ide"
+    ],
+    "unwantedRecommendations": [
+        "ms-vscode.cpptools-extension-pack"
+    ]
 }

README.md

@@ -14,7 +14,7 @@ Open the project folder in a PlatformIO IDE (VS Codium, etc.) and build it. If y
 $ HSHB_BOARD=1 pio run
 ```
 
-Replace `HSHB_BOARD=1` with the number of your board (sticker on the back).
+Replace `HSHB_BOARD=1` with the number of your board (sticker on the back), which is used to select the proper battery calibration values. If you do not provide the `HSHB_BOARD` variable, the code will compile with the calibration data of board 1 by default.
 
 ## Flashing
 

get_build_flags.py

@@ -0,0 +1,5 @@
+#!/usr/bin/env python
+
+import os;
+
+print(f"-Os -DBoard{os.getenv('HSHB_BOARD', '1')}")

include/logo.h

@@ -9,4 +9,4 @@ void logoDrawCircle(int8_t x, int8_t y, int8_t r, uint8_t brightness);
 void setLogoXY(uint8_t x, uint8_t y, uint8_t brightness);
 void fillLogoPercent(int8_t perc, uint8_t full, uint8_t onB, uint8_t offB);
 
-#endif  // LOGO_H_
+#endif

platformio.ini

@@ -10,8 +10,7 @@ board_hardware.oscillator = internal
 framework = arduino
 
 monitor_speed = 300
-build_flags =
-    -DBoard${sysenv.HSHB_BOARD} -Os
+build_flags = !python get_build_flags.py
 upload_protocol = arduino
 upload_port = /dev/ttyUSB0
 board_upload.speed = 38400