Skip CRT startup code for Puck.js to save some space, as suggested in 4…

…9c88c3#commitcomment-143719757
espruino · Jul 2, 2024 · 972be5e · 972be5e
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commit 972be5e
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diff --git a/ChangeLog b/ChangeLog
@@ -1,6 +1,7 @@
           : Bangle.js2: Add 'Bangle.touchRd()', 'Bangle.touchWr()'
             Bangle.js2: After Bangle.showTestScreen, put Bangle.js into a hard off state (not soft off)
             Fix for unexpected power draw on newest batch of Bangle.js devices
+            Puck.js: skip CRT startup code to save ~300b
 
      2v23 : Fix XON/OFF thresholds to be based off the correct buffer size
             Bangle.js2: Added BANGLE2_IFLASH target for firmware using internal flash for js files (currently only partially working)

diff --git a/boards/PUCKJS.py b/boards/PUCKJS.py
@@ -52,6 +52,8 @@
      'DEFINES+=-DCUSTOM_GETBATTERY=jswrap_puck_getBattery',
      'DEFINES+=-DNFC_DEFAULT_URL=\'"https://puck-js.com/go"\'',
      'DEFINES+=-DAPP_TIMER_OP_QUEUE_SIZE=3', # Puck.js magnetometer poll
+     'LDFLAGS += -nostartfiles',
+     'ASFLAGS += -D__STARTUP_CLEAR_BSS -D__START=main',
      'DFU_PRIVATE_KEY=targets/nrf5x_dfu/dfu_private_key.pem',
      'DFU_SETTINGS=--application-version 0xff --hw-version 52 --sd-req 0x8C,0x91',
      'DEFINES+=-DESPR_PACKED_SYMPTR', # Pack builtin symbols' offset into pointer to save 2 bytes/symbol