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MICROBIT2.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;
# TODO:
# Move to SDK17 with proper nRF52833 support
# - expand RAM to 128k
# Proper event handling for accelerometer/etc
# Functions for sound
info = {
'name' : "BBC micro:bit 2",
'link' : [ "https://en.wikipedia.org/wiki/Micro_Bit" ],
'espruino_page_link' : 'MicroBit',
# This is the PCA10036
'default_console' : "EV_SERIAL1",
'default_console_tx' : "H1",
'default_console_rx' : "H0",
'default_console_baudrate' : "9600",
'variables' : 6000, # How many variables are allocated for Espruino to use. RAM will be overflowed if this number is too high and code won't compile.
'binary_name' : 'espruino_%v_microbit2.hex',
'build' : {
'optimizeflags' : '-Os',
'libraries' : [
'BLUETOOTH',
# 'NET',
'GRAPHICS',
'NEOPIXEL',
'TENSORFLOW'
],
'makefile' : [
'DEFINES += -DCONFIG_GPIO_AS_PINRESET', # Allow the reset pin to work
'DEFINES += -DGPIO_COUNT=2 -DP1_PIN_NUM=16 -DNRF_P1_BASE=0x50000300UL "-DNRF_P1=((NRF_GPIO_Type*)NRF_P1_BASE)"', # Hack for 52833 on SDK12
'DEFINES += -DMICROBIT', # enable microbit-specific stuff
'INCLUDE += -I$(ROOT)/libs/microbit',
'WRAPPERSOURCES += libs/microbit/jswrap_microbit.c',
'DEFINES+=-DNEOPIXEL_SCK_PIN=27', # an unused pin
'LDFLAGS += -Xlinker --defsym=LD_SRAM_SIZE=0x20000' #
]
}
};
chip = {
'part' : "NRF52832", # actually 52833 but we're using SDK12 for this at the moment, and it doesn't support it
'family' : "NRF52",
'package' : "QFN48",
'ram' : 64,
'flash' : 512,
'speed' : 64, # TODO: actually 128k
'usart' : 1,
'spi' : 1,
'i2c' : 1,
'adc' : 1,
'dac' : 0,
'saved_code' : {
'address' : ((118 - 10) * 4096), # Bootloader takes pages 120-127, FS takes 118-119
'page_size' : 4096,
'pages' : 10,
'flash_available' : 512 - ((31 + 8 + 2 + 10)*4) # Softdevice uses 31 pages of flash, bootloader 8, FS 2, code 10. Each page is 4 kb.
},
};
devices = {
'BTN1' : { 'pin' : 'D5', 'pinstate' : 'IN_PULLDOWN' }, # Pin negated in software
'BTN2' : { 'pin' : 'D11', 'pinstate' : 'IN_PULLDOWN' }, # Pin negated in software
# 'BTN3' : { 'pin' : 'H2', 'pinstate' : 'IN' }, # Pin negated in software
# 'V' pins are virtual
'LED1' : { 'pin' : 'V0' },
};
# left-right, or top-bottom order
board = {
'bottom' : [ 'D3', '','D0','','D4','D5','D6','D7','','D1','','D8','D9','D10','D11','D12','','D2','',
'D13','D14','D15','D16','3.3','','3.3','','3.3','D19','D20','GND','','GND','','GND' ],
'_hide_not_on_connectors' : True,
'_notes' : {
'D3' : "LED Row 3",
'D4' : "LED Row 1",
'D5' : "BTN1",
'D6' : "LED Row 4",
'D7' : "LED Row 2",
'D10' : "LED Row 5",
'D11' : "BTN2",
}
};
board["_css"] = """
#board {
width: 659px;
height: 562px;
top: 0px;
left : 0px;
background-image: url(img/MICROBIT2.jpg);
}
#boardcontainer {
height: 700px;
}
#bottom {
top: 490px;
left: 52px;
}
.bottompin { width: 10px; }
""";
def get_pins():
pins = [
{ "name":"PD0", "sortingname":"D00", "port":"D", "num":"2", "functions":{ "ADC1_IN0":0 }, "csv":{} }, # RING0
{ "name":"PD1", "sortingname":"D01", "port":"D", "num":"3", "functions":{ "ADC1_IN1":0 }, "csv":{} }, # RING1
{ "name":"PD2", "sortingname":"D02", "port":"D", "num":"4", "functions":{ "ADC1_IN2":0 }, "csv":{} }, # RING2
{ "name":"PD3", "sortingname":"D03", "port":"D", "num":"31", "functions":{ }, "csv":{} }, # COLR3
{ "name":"PD4", "sortingname":"D04", "port":"D", "num":"28", "functions":{ }, "csv":{} }, # COLR1
{ "name":"PD5", "sortingname":"D05", "port":"D", "num":"14", "functions":{}, "csv":{} }, # BTN1
{ "name":"PD6", "sortingname":"D06", "port":"D", "num":"37", "functions":{}, "csv":{} }, # COLR4
{ "name":"PD7", "sortingname":"D07", "port":"D", "num":"11", "functions":{}, "csv":{} }, # COLR2
{ "name":"PD8", "sortingname":"D08", "port":"D", "num":"10", "functions":{}, "csv":{} }, # GPIO1
{ "name":"PD9", "sortingname":"D09", "port":"D", "num":"9", "functions":{}, "csv":{} }, # GPIO2
{ "name":"PD10", "sortingname":"D10", "port":"D", "num":"30", "functions":{ }, "csv":{} }, # COLR5
{ "name":"PD11", "sortingname":"D11", "port":"D", "num":"23", "functions":{ }, "csv":{} }, # BTN2
{ "name":"PD12", "sortingname":"D12", "port":"D", "num":"12", "functions":{}, "csv":{} }, # GPIO4
{ "name":"PD13", "sortingname":"D13", "port":"D", "num":"17", "functions":{ "SPI1_SCK":0 }, "csv":{} },
{ "name":"PD14", "sortingname":"D14", "port":"D", "num":"1", "functions":{ "SPI1_MISO":0 }, "csv":{} },
{ "name":"PD15", "sortingname":"D15", "port":"D", "num":"13", "functions":{ "SPI1_MOSI":0 }, "csv":{} },
{ "name":"PD16", "sortingname":"D16", "port":"D", "num":"34", "functions":{}, "csv":{} }, # GPIO3
{ "name":"PD17", "sortingname":"D17", "port":"D", "num":"27", "functions":{}, "csv":{} }, # FIXME 3.3v - using an unused pin
{ "name":"PD18", "sortingname":"D18", "port":"D", "num":"27", "functions":{}, "csv":{} }, # FIXME 3.3v - using an unused pin
{ "name":"PD19", "sortingname":"D19", "port":"D", "num":"26", "functions":{ "I2C1_SCL":0 }, "csv":{} },
{ "name":"PD20", "sortingname":"D20", "port":"D", "num":"32", "functions":{ "I2C1_SDA":0 }, "csv":{} },
{ "name":"PH0", "sortingname":"H00", "port":"H", "num":"40", "functions":{"USART1_RX" : 0}, "csv":{} }, # UART_RX - receive into Espruino
{ "name":"PH1", "sortingname":"H01", "port":"H", "num":"6", "functions":{"USART1_TX" : 0}, "csv":{} }, # UART_TX
{ "name":"PH2", "sortingname":"H02", "port":"H", "num":"36", "functions":{}, "csv":{} }, # face touch
{ "name":"PH3", "sortingname":"H03", "port":"H", "num":"0", "functions":{}, "csv":{} }, # speaker
{ "name":"PH4", "sortingname":"H04", "port":"H", "num":"5", "functions":{ "ADC1_IN3":0 }, "csv":{} }, # mic_in
{ "name":"PH5", "sortingname":"H05", "port":"H", "num":"20", "functions":{}, "csv":{} }, # run_mic
{ "name":"PH6", "sortingname":"H06", "port":"H", "num":"16", "functions":{}, "csv":{} }, # INT_SDA
{ "name":"PH7", "sortingname":"H07", "port":"H", "num":"8", "functions":{}, "csv":{} }, # INT_SCL
{ "name":"PH8", "sortingname":"H08", "port":"H", "num":"25", "functions":{}, "csv":{} }, # INT
{ "name":"PV0", "sortingname":"V0", "port":"V", "num":"0", "functions":{}, "csv":{} } # LED virtual pin
];
#21 # ROW1
#22 # ROW2
#15 # ROW3
#24 # ROW4
#19 # ROW5
# Make buttons negated
pinutils.findpin(pins, "PD5", True)["functions"]["NEGATED"]=0;
pinutils.findpin(pins, "PD11", True)["functions"]["NEGATED"]=0;
# 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.
return pins