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Espruino/boards/DICKENS.py

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#!/bin/false
# This file is part of Espruino, a JavaScript interpreter for Microcontrollers
#
# Copyright (C) 2013 Gordon Williams <gw@pur3.co.uk>
#
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
#
# ----------------------------------------------------------------------------------------
# This file contains information for a specific board - the available pins, and where LEDs,
# Buttons, and other in-built peripherals are. It is used to build documentation as well
# as various source and header files for Espruino.
# ----------------------------------------------------------------------------------------
import pinutils;
# NOTES FROM REVERSE ENGINEERING
#====================================
# Flash init:
# w(0x6), while (r(5)&1);
# D2 and D8 and used together. Both outputs
# D8 set/cleared then 10ms delay
# D2 set then I2C device 0x70[0x38] contacted
# D0/D1 will be 32kHz crystal
# Button flex header
# o GND D28(btn)
# VCC D46(btn)
# D3 D9
# D29(btn) D10
# D42(btn) GND
# unfitted big flash-ish chip
# o D14 VCC
# D15 D17
# D2 D19
# GND D18
#
# unfitted header (assuming same dir as Button flex header)
# VCC D10
# VCC D9
# FET GND
# GND D31
# ? D30
# ... there's an unpopulated footprint - likely a FET (not checked to see what IO this is connected to)
# Unknown pins:
# D8,D16,D17,D26,D32,D34,D35,D36,
# D37,D38,D39,D41,D44,D45,D47
#====================================
info = {
'name' : "DICKENS",
'link' : [ "" ],
'espruino_page_link' : '',
'default_console' : "EV_BLUETOOTH",
'variables' : 5000, # 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' : 2048, # How big is the input buffer (in bytes). Default on nRF52 is 1024
'bootloader' : 1,
'binary_name' : 'espruino_%v_dickens.hex',
'build' : {
'optimizeflags' : '-Os',
'libraries' : [
'BLUETOOTH',
'GRAPHICS',
'LCD_SPI',
'JIT'
],
'makefile' : [
# 'DEFINES += -DNRF_LOG_ENABLED=1 -DNRF_LOG_FILTERS_ENABLED=0',
'DEFINES += -DCONFIG_NFCT_PINS_AS_GPIOS', # Allow us to use NFC pins as GPIO
'DEFINES += -DESPR_LSE_ENABLE=1', # 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_REGOUT0_1_8V=1', # Leave REGOUT0 as 1.8v (not 3.3v) - seems to be what original watch firmware did
'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_USE_SPI3=1', # Use SPI3 (even though it has errata 195) as it's much faster
'DEFINES += -DESPR_BACKLIGHT_FADE=1', # Smoothly fade backlight on and off
'DEFINES += -DNRF_BL_DFU_ENTER_METHOD_BUTTON=1 -DNRF_BL_DFU_ENTER_METHOD_BUTTON_PIN=29',
'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',
'DEFINES += -DESPR_BOOTLOADER_SPIFLASH', # Allow bootloader to flash direct from SPI flash
'DEFINES += -DAPP_TIMER_OP_QUEUE_SIZE=6', # Bangle.js accelerometer poll handler needs something else in queue size
'BOOTLOADER_SETTINGS_FAMILY = NRF52840',
'DFU_PRIVATE_KEY=targets/nrf5x_dfu/dfu_private_key.pem',
'DFU_SETTINGS=--application-version 0xff --hw-version 52 --sd-req 0xA9', # SD 6.0.0
'DEFINES+=-DBLUETOOTH_NAME_PREFIX=\'"Dickens"\'',
'DEFINES+=-DCUSTOM_GETBATTERY=jswrap_banglejs_getBattery',
'DEFINES+=-DDUMP_IGNORE_VARIABLES=\'"g\\0"\'',
'DEFINES+=-DESPR_GRAPHICS_INTERNAL=1',
'DEFINES+=-DUSE_FONT_6X8 -DGRAPHICS_PALETTED_IMAGES -DESPR_GRAPHICS_12BIT -DGRAPHICS_ANTIALIAS',
'DEFINES+=-DNO_DUMP_HARDWARE_INITIALISATION', # don't dump hardware init - not used and saves 1k of flash
'INCLUDE += -I$(ROOT)/libs/banglejs -I$(ROOT)/libs/dickens -I$(ROOT)/libs/misc',
'WRAPPERSOURCES += libs/banglejs/jswrap_bangle.c',
'WRAPPERSOURCES += libs/dickens/jswrap_dickens.c',
'WRAPPERSOURCES += libs/graphics/jswrap_font_architekt10.c',
'WRAPPERSOURCES += libs/graphics/jswrap_font_architekt12.c',
'WRAPPERSOURCES += libs/graphics/jswrap_font_architekt15.c',
'WRAPPERSOURCES += libs/graphics/jswrap_font_architekt35.c',
'WRAPPERSOURCES += libs/graphics/jswrap_font_grotesk14.c',
'WRAPPERSOURCES += libs/graphics/jswrap_font_grotesk16.c',
'WRAPPERSOURCES += libs/graphics/jswrap_font_grotesk20.c',
'SOURCES += libs/graphics/line_font.c',
'SOURCES += libs/misc/stepcount.c',
'JSMODULESOURCES += libs/js/banglejs/locale.min.js',
'DEFINES += -DBANGLEJS',
'DEFINES += -DESPR_NO_LOADING_SCREEN', # disable 'loading...' message when switching apps
'NRF_SDK15=1'
]
}
};
chip = {
'part' : "NRF52840",
'family' : "NRF52",
'package' : "QFN48",
'ram' : 256,
'flash' : 1024,
'speed' : 64,
'usart' : 2,
'spi' : 1,
'i2c' : 1,
'adc' : 1,
'dac' : 0,
'saved_code' : {
# 'address' : ((246 - 10) * 4096), # Bootloader takes pages 248-255, FS takes 246-247
# 'page_size' : 4096,
# 'pages' : 10,
# 'flash_available' : 1024 - ((31 + 8 + 2 + 10)*4) # Softdevice uses 31 pages of flash, bootloader 8, FS 2, code 10. Each page is 4 kb.
'address' : 0x60000000, # put this in external spiflash (see below)
'page_size' : 4096,
'pages' : 768, # 3MB of 4MB flash
'flash_available' : 1024 - ((31 + 8 + 2)*4) # Softdevice uses 31 pages of flash, bootloader 8, FS 2. Each page is 4 kb.
},
};
devices = {
'BTN1' : { 'pin' : 'D46', 'pinstate' : 'IN_PULLDOWN' }, # BL ATMOS Pin negated in software
'BTN2' : { 'pin' : 'D28', 'pinstate' : 'IN_PULLDOWN' }, # TL Pin negated in software
'BTN3' : { 'pin' : 'D29', 'pinstate' : 'IN_PULLDOWN' }, # TR STATUM Pin negated in software
'BTN4' : { 'pin' : 'D42', 'pinstate' : 'IN_PULLDOWN' }, # BR Pin negated in software
'VIBRATE' : { 'pin' : 'D6' }, # Pin negated in software
'LCD' : {
'width' : 240, 'height' : 240, 'bpp' : 16, # 16 normal, 12 bit is possible
'controller' : 'gc9a01',
'pin_dc' : 'D7',
'pin_cs' : 'D11',
'pin_rst' : 'D40',
'pin_sck' : 'D12',
'pin_mosi' : 'D5',
'pin_miso' : 'D27',
'pin_en' : 'D43',
'pin_bl' : 'D33', # Also enables the power supply for the vibration motor
'bitrate' : 32000000
},
'BAT' : {
'pin_charging' : 'D13',
'pin_voltage' : 'D4'
},
'MAG' : { # Magnetometer/compass
'device' : 'GMC303',
'addr' : 0x0C,
'pin_sda' : 'D9',
'pin_scl' : 'D10'
},
'ACCEL' : {
'device' : 'KXTJ3_1057', 'addr' : 0x0e,
'pin_sda' : 'D9',
'pin_scl' : 'D10',
# 'pin_int' : '' # unknown
},
'PRESSURE' : {
'device' : 'SPL06_007', 'addr' : 0x76,
'pin_sda' : 'D9',
'pin_scl' : 'D10',
},
# KX126-1063
'SPIFLASH' : {
'pin_cs' : 'D20',
'pin_sck' : 'D25',
'pin_mosi' : 'D22', # D0
'pin_miso' : 'D23', # D1
'pin_wp' : 'D21', # D2
'pin_rst' : 'D24', # D3
'size' : 4096*1024,
'memmap_base' : 0x60000000 # map into the address space (in software)
}
};
# left-right, or top-bottom order
board = {
};
board["_css"] = """
""";
def get_pins():
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, "PD29", True)["functions"]["NEGATED"]=0; # ok
pinutils.findpin(pins, "PD46", True)["functions"]["NEGATED"]=0; # ok
pinutils.findpin(pins, "PD42", True)["functions"]["NEGATED"]=0; # ok
pinutils.findpin(pins, "PD28", True)["functions"]["NEGATED"]=0; # ok
# everything is non-5v tlerant
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.
return pins
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