further pruning of bitmapfilter builds

Author: dhalbert

ports/atmel-samd/boards/feather_m4_can/mpconfigboard.mk

@@ -11,6 +11,7 @@ EXTERNAL_FLASH_DEVICES = "GD25Q16C,W25Q16JVxQ"
 LONGINT_IMPL = MPZ
 
 CIRCUITPY__EVE = 1
+CIRCUITPY_BITMAPFILTER = 0
 CIRCUITPY_CANIO = 1
 CIRCUITPY_SYNTHIO = 0
 CIRCUITPY_GIFIO = 0

ports/espressif/mpconfigport.mk

@@ -121,8 +121,6 @@ else ifeq ($(IDF_TARGET),esp32s2)
 # No BLE in hw
 CIRCUITPY_BLEIO = 0
 
-# bitmapfilter does not fit on most ESP32-S2 boards.
-CIRCUITPY_BITMAPFILTER ?= $(CIRCUITPY_ESPCAMERA)
 CIRCUITPY_ESP_USB_SERIAL_JTAG ?= 0
 
 else ifeq ($(IDF_TARGET),esp32s3)
@@ -138,8 +136,14 @@ endif
 
 endif
 
+# bitmapfilter does not fit on 4MB boards unless they are set up as camera boards
+ifeq ($(CIRCUITPY_ESP_FLASH_SIZE),4MB)
+CIRCUITPY_BITMAPFILTER ?= 0
+endif
+
 # No room for dualbank on boards with 2MB flash
 ifeq ($(CIRCUITPY_ESP_FLASH_SIZE),2MB)
+CIRCUITPY_BITMAPFILTER ?= 0
 CIRCUITPY_DUALBANK = 0
 endif