112 lines
4.1 KiB
Python
112 lines
4.1 KiB
Python
# Pin name to pin number definitions
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#
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# Copyright (C) 2016 Kevin O'Connor <kevin@koconnor.net>
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#
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# This file may be distributed under the terms of the GNU GPLv3 license.
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import re
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def port_pins(port_count, bit_count=8):
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pins = {}
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for port in range(port_count):
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portchr = chr(65 + port)
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if portchr == 'I':
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continue
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for portbit in range(bit_count):
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pins['P%c%d' % (portchr, portbit)] = port * bit_count + portbit
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return pins
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MCU_PINS = {
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"atmega168": port_pins(4), "atmega644p": port_pins(4),
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"at90usb1286": port_pins(5),
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"atmega1280": port_pins(12), "atmega2560": port_pins(12),
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"sam3x8e": port_pins(4, 32)
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}
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######################################################################
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# Arduino mappings
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######################################################################
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Arduino_standard = [
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"PD0", "PD1", "PD2", "PD3", "PD4", "PD5", "PD6", "PD7", "PB0", "PB1",
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"PB2", "PB3", "PB4", "PB5", "PC0", "PC1", "PC2", "PC3", "PC4", "PC5",
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]
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Arduino_analog_standard = [
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"PC0", "PC1", "PC2", "PC3", "PC4", "PC5", "PE0", "PE1",
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]
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Arduino_mega = [
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"PE0", "PE1", "PE4", "PE5", "PG5", "PE3", "PH3", "PH4", "PH5", "PH6",
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"PB4", "PB5", "PB6", "PB7", "PJ1", "PJ0", "PH1", "PH0", "PD3", "PD2",
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"PD1", "PD0", "PA0", "PA1", "PA2", "PA3", "PA4", "PA5", "PA6", "PA7",
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"PC7", "PC6", "PC5", "PC4", "PC3", "PC2", "PC1", "PC0", "PD7", "PG2",
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"PG1", "PG0", "PL7", "PL6", "PL5", "PL4", "PL3", "PL2", "PL1", "PL0",
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"PB3", "PB2", "PB1", "PB0", "PF0", "PF1", "PF2", "PF3", "PF4", "PF5",
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"PF6", "PF7", "PK0", "PK1", "PK2", "PK3", "PK4", "PK5", "PK6", "PK7",
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]
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Arduino_analog_mega = [
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"PF0", "PF1", "PF2", "PF3", "PF4", "PF5",
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"PF6", "PF7", "PK0", "PK1", "PK2", "PK3", "PK4", "PK5", "PK6", "PK7",
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]
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Sanguino = [
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"PB0", "PB1", "PB2", "PB3", "PB4", "PB5", "PB6", "PB7", "PD0", "PD1",
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"PD2", "PD3", "PD4", "PD5", "PD6", "PD7", "PC0", "PC1", "PC2", "PC3",
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"PC4", "PC5", "PC6", "PC7", "PA0", "PA1", "PA2", "PA3", "PA4", "PA5",
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"PA6", "PA7"
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]
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Sanguino_analog = [
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"PA0", "PA1", "PA2", "PA3", "PA4", "PA5", "PA6", "PA7"
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]
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Arduino_Due = [
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"PA8", "PA9", "PB25", "PC28", "PA29", "PC25", "PC24", "PC23", "PC22", "PC21",
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"PA28", "PD7", "PD8", "PB27", "PD4", "PD5", "PA13", "PA12", "PA11", "PA10",
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"PB12", "PB13", "PB26", "PA14", "PA15", "PD0", "PD1", "PD2", "PD3", "PD6",
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"PD9", "PA7", "PD10", "PC1", "PC2", "PC3", "PC4", "PC5", "PC6", "PC7",
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"PC8", "PC9", "PA19", "PA20", "PC19", "PC18", "PC17", "PC16", "PC15", "PC14",
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"PC13", "PC12", "PB21", "PB14", "PA16", "PA24", "PA23", "PA22", "PA6", "PA4",
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"PA3", "PA2", "PB17", "PB18", "PB19", "PB20", "PB15", "PB16", "PA1", "PA0",
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"PA17", "PA18", "PC30", "PA21", "PA25", "PA26", "PA27", "PA28", "PB23"
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]
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Arduino_Due_analog = [
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"PA16", "PA24", "PA23", "PA22", "PA6", "PA4", "PA3", "PA2", "PB17", "PB18",
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"PB19", "PB20"
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]
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Arduino_from_mcu = {
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"atmega168": (Arduino_standard, Arduino_analog_standard),
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"atmega644p": (Sanguino, Sanguino_analog),
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"atmega1280": (Arduino_mega, Arduino_analog_mega),
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"atmega2560": (Arduino_mega, Arduino_analog_mega),
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"sam3x8e": (Arduino_Due, Arduino_Due_analog),
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}
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######################################################################
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# External commands
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######################################################################
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# Obtains the pin mappings
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def get_pin_map(mcu, mapping_name=None):
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pins = MCU_PINS.get(mcu, {})
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if mapping_name == 'arduino':
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dpins, apins = Arduino_from_mcu.get(mcu, [])
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for i in range(len(dpins)):
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pins['ar' + str(i)] = pins[dpins[i]]
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for i in range(len(apins)):
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pins['analog%d' % (i,)] = pins[apins[i]]
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return pins
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# Translate pin names and tick times in a firmware command
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re_pin = re.compile(r'(?P<prefix>[ _]pin=)(?P<name>[^ ]*)')
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re_ticks = re.compile(r'TICKS\((?P<ticks>[^)]*)\)')
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def update_command(cmd, mcu_freq, pmap):
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def pin_fixup(m):
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return m.group('prefix') + str(pmap[m.group('name')])
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def ticks_fixup(m):
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return str(int(mcu_freq * float(m.group('ticks'))))
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return re_ticks.sub(ticks_fixup, re_pin.sub(pin_fixup, cmd))
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