'name' : "Bangle.js 2 (No external flash)", # Using SMA Q3

# A build for Bangle.js 2 that uses only internal flash

'boardname' : "BANGLEJS",

'link' : [ "https://espruino.com/Bangle.js2" ],

'espruino_page_link' : 'Bangle.js2',

'default_console' : "EV_TERMINAL",

#'default_console' : "EV_SERIAL1",

# 'default_console_tx' : "D6",

# 'default_console_rx' : "D8",

# 'default_console_baudrate' : "9600",

'variables' : 12000, # How many variables are allocated for Espruino to use. RAM will be overflowed if this number is too high and code won't compile.

'io_buffer_size' : 512, # How big is the input buffer (in 4 byte words). Default on nRF52 is 256

'bootloader' : 1,

'binary_name' : 'espruino_%v_banglejs2_noflash.hex',

'build' : {

'optimizeflags' : '-Os',

'libraries' : [

'BLUETOOTH',

'TERMINAL',

'GRAPHICS',

'CRYPTO','SHA256','SHA512',

'LCD_MEMLCD',

# 'TENSORFLOW',

'JIT' # JIT compiler enabled

],

'makefile' : [

'DEFINES += -DESPR_HWVERSION=2 -DBANGLEJS -DBANGLEJS_Q3',

# 'DEFINES += -DCONFIG_GPIO_AS_PINRESET', # Allow the reset pin to work

'DEFINES += -DCONFIG_NFCT_PINS_AS_GPIOS', # Allow us to use NFC pins as GPIO

#'DEFINES += -DESPR_REGOUT0_1_8V=1', # this increases power draw, so probably not correct!

'DEFINES += -DESPR_LSE_ENABLE', # Ensure low speed external osc enabled

'DEFINES += -DNRF_SDH_BLE_GATT_MAX_MTU_SIZE=131', # 23+x*27 rule as per https://devzone.nordicsemi.com/f/nordic-q-a/44825/ios-mtu-size-why-only-185-bytes

'LDFLAGS += -Xlinker --defsym=LD_APP_RAM_BASE=0x2ec0', # set RAM base to match MTU

'DEFINES += -DESPR_DCDC_ENABLE=1', # Use DC/DC converter

'ESPR_BLUETOOTH_ANCS=1', # Enable ANCS (Apple notifications) support

'DEFINES += -DSPIFLASH_SLEEP_CMD', # SPI flash needs to be explicitly slept and woken up

'DEFINES += -DSPIFLASH_READ2X', # Read SPI flash at 2x speed using MISO and MOSI for IO

'DEFINES += -DESPR_JSVAR_FLASH_BUFFER_SIZE=32', # The buffer size we use when executing/iterating over data in flash memory (default 16). Should be set based on benchmarks.

'DEFINES += -DAPP_TIMER_OP_QUEUE_SIZE=6', # Bangle.js accelerometer poll handler needs something else in queue size

'DEFINES+=-DBLUETOOTH_NAME_PREFIX=\'"Bangle.js"\'',

'DEFINES+=-DCUSTOM_GETBATTERY=jswrap_banglejs_getBattery',

'DEFINES+=-DDUMP_IGNORE_VARIABLES=\'"g\\0"\'',

'DEFINES+=-DESPR_GRAPHICS_INTERNAL=1',

'DEFINES+=-DESPR_BATTERY_FULL_VOLTAGE=0.3144',

'DEFINES+=-DUSE_FONT_6X8 -DGRAPHICS_PALETTED_IMAGES -DGRAPHICS_ANTIALIAS',

'DEFINES+=-DNO_DUMP_HARDWARE_INITIALISATION', # don't dump hardware init - not used and saves 1k of flash

'DEFINES += -DESPR_NO_LINE_NUMBERS=1', # we execute mainly from flash, so line numbers can be worked out

'INCLUDE += -I$(ROOT)/libs/banglejs -I$(ROOT)/libs/misc',

'WRAPPERSOURCES += libs/banglejs/jswrap_bangle.c',

'WRAPPERSOURCES += libs/graphics/jswrap_font_6x15.c',

'WRAPPERSOURCES += libs/graphics/jswrap_font_12x20.c',

'SOURCES += libs/misc/nmea.c',

'SOURCES += libs/misc/stepcount.c',

'SOURCES += libs/misc/heartrate.c',

'SOURCES += libs/misc/hrm_vc31.c',

'SOURCES += libs/misc/unistroke.c',

'WRAPPERSOURCES += libs/misc/jswrap_unistroke.c',

'DEFINES += -DESPR_BANGLE_UNISTROKE=1',

'SOURCES += libs/banglejs/banglejs2_storage_default.c',

'DEFINES += -DESPR_STORAGE_INITIAL_CONTENTS=1', # use banglejs2_storage_default

'DEFINES += -DESPR_USE_STORAGE_CACHE=32', # Add a 32 entry cache to speed up finding files

'JSMODULESOURCES += libs/js/banglejs/locale.min.js',

'DFU_SETTINGS=--application-version 0xff --hw-version 52 --sd-req 0xa9,0xae,0xb6',

'DFU_PRIVATE_KEY=targets/nrf5x_dfu/dfu_private_key.pem',

'DEFINES += -DNRF_BOOTLOADER_NO_WRITE_PROTECT=1', # By default the bootloader protects flash. Avoid this (a patch for NRF_BOOTLOADER_NO_WRITE_PROTECT must be applied first)

'DEFINES += -DBUTTONPRESS_TO_REBOOT_BOOTLOADER',

'BOOTLOADER_SETTINGS_FAMILY=NRF52840',

'NRF_SDK15=1'

]

}

'part' : "NRF52840",

'family' : "NRF52",

'package' : "AQFN73",

'ram' : 256,

'flash' : 1024,

'speed' : 64,

'usart' : 2,

'spi' : 1,

'i2c' : 1,

'adc' : 1,

'dac' : 0,

'saved_code' : {

'address' : ((246 - 100) * 4096), # Bootloader takes pages 248-255, FS takes 246-247

'page_size' : 4096,

'pages' : 100,

'flash_available' : 1024 - ((38 + 8 + 2 + 100)*4), # Softdevice uses 0x26=38 pages of flash, bootloader 8, FS 2, code 100. Each page is 4 kb.

},

'BTN1' : { 'pin' : 'D17', 'pinstate' : 'IN_PULLDOWN' }, # Pin negated in software

'LED1' : { 'pin' : 'D8', 'novariable':True }, # Backlight flash for low level debug - but in code we just use 'fake' LEDs

'LCD' : {

'width' : 176, 'height' : 176,

'bpp' : 3,

'controller' : 'LPM013M126', # LPM013M126C

'pin_cs' : 'D5',

'pin_extcomin' : 'D6',

'pin_disp' : 'D7',

'pin_sck' : 'D26',

'pin_mosi' : 'D27',

'pin_bl' : 'D8',

},

'TOUCH' : {

'device' : 'CST816S', 'addr' : 0x15,

'pin_sda' : 'D33',

'pin_scl' : 'D34',

'pin_rst' : 'D35',

'pin_irq' : 'D36'

},

'VIBRATE' : { 'pin' : 'D19' },

'GPS' : {

'device' : 'Casic URANUS',

'pin_en' : 'D29', # IO expander P0

'pin_rx' : 'D30',

'pin_tx' : 'D31'

},

'BAT' : {

'pin_charging' : 'D23', # active low

'pin_voltage' : 'D3'

},

'HEARTRATE' : {

'device' : 'VC31', 'addr' : 0x33,

'pin_sda' : 'D24',

'pin_scl' : 'D32',

'pin_en' : 'D21',

'pin_int' : 'D22'

},

'ACCEL' : {

'device' : 'KX023', 'addr' : 0x1e,

'pin_sda' : 'D38',

'pin_scl' : 'D37'

},

'MAG' : { # Magnetometer/compass

'device' : 'UNKNOWN_0C',

'addr' : 0x0C,

'pin_sda' : 'D44',

'pin_scl' : 'D45'

},

'PRESSURE' : {

'device' : 'BMP280', # v2.1 uses Goertek SPL06-001 - we handle both

'addr' : 0x76, # both versions use the same address

'pin_sda' : 'D47',

'pin_scl' : 'D2'

},

'SPIFLASH' : {

'pin_cs' : 'D14',

'pin_sck' : 'D16',

'pin_mosi' : 'D15', # D0

'pin_miso' : 'D13', # D1

# 'pin_wp' : 'D', # D2

# 'pin_rst' : 'D', # D3

'size' : 4096*2048, # 8MB

'memmap_base' : 0x60000000 # map into the address space (in software)

}

pins = pinutils.generate_pins(0,47) # 48 General Purpose I/O Pins.

pinutils.findpin(pins, "PD0", True)["functions"]["XL1"]=0;

pinutils.findpin(pins, "PD1", True)["functions"]["XL2"]=0;

pinutils.findpin(pins, "PD2", True)["functions"]["ADC1_IN0"]=0;

pinutils.findpin(pins, "PD3", True)["functions"]["ADC1_IN1"]=0;

pinutils.findpin(pins, "PD4", True)["functions"]["ADC1_IN2"]=0;

pinutils.findpin(pins, "PD5", True)["functions"]["ADC1_IN3"]=0;

pinutils.findpin(pins, "PD28", True)["functions"]["ADC1_IN4"]=0;

pinutils.findpin(pins, "PD29", True)["functions"]["ADC1_IN5"]=0;

pinutils.findpin(pins, "PD30", True)["functions"]["ADC1_IN6"]=0;

pinutils.findpin(pins, "PD31", True)["functions"]["ADC1_IN7"]=0;

# Make buttons and LEDs negated

pinutils.findpin(pins, "PD17", True)["functions"]["NEGATED"]=0; # button

# everything is non-5v tolerant

for pin in pins:

pin["functions"]["3.3"]=0;

#The boot/reset button will function as a reset button in normal operation. Pin reset on PD21 needs to be enabled on the nRF52832 device for this to work.