"""
#    TOP Open Source programming suite
#
#    TOP853 VCC layout definitions
#
#    Copyright (c) 2022 Michael Buesch <m@bues.ch>
#
#    This program is free software; you can redistribute it and/or modify
#    it under the terms of the GNU General Public License as published by
#    the Free Software Foundation; either version 2 of the License, or
#    (at your option) any later version.
#
#    This program is distributed in the hope that it will be useful,
#    but WITHOUT ANY WARRANTY; without even the implied warranty of
#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#    GNU General Public License for more details.
#
#    You should have received a copy of the GNU General Public License along
#    with this program; if not, write to the Free Software Foundation, Inc.,
#    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
"""

import sys
if __name__ == "__main__":
	sys.path.insert(0, sys.path[0] + "/../..")
from libtoprammer.shiftreg_layout import *


class VCCLayout(ShiftregLayout):
	# "shiftreg_masks" is a dump of the VCC shiftregister states.
	# The array index is the layout ID.
	# The array entries are the inverted shift register VCC control outputs.
	# All non-VCC control outputs are zero.
	# The least significant byte is the first shift register in the chain.
	shiftreg_masks = (
		0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, # 0x00
		0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, # 0x08
		0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, # 0x10
		0x2000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x1000, 0x0000, # 0x18
		0x0800, 0x0000, 0x0400, 0x0000, 0x0200, 0x0000, 0x0000, 0x0000, # 0x20
		0x0100, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, # 0x28
		#0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, # 0x30
		#0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, # 0x38
		#0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, # 0x40
		#0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, # 0x48
		#0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, # 0x50
		#0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, # 0x58
		#0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, # 0x60
		#0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, # 0x68
		#0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, # 0x70
		#0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, # 0x78
		#0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, # 0x80
		#0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, # 0x88
		#0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, # 0x90
		#0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, # 0x98
		#0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, # 0xA0
		#0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, # 0xA8
		#0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, # 0xB0
		#0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, # 0xB8
		#0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, # 0xC0
		#0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, # 0xC8
		#0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, # 0xD0
		#0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, # 0xD8
		#0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, # 0xE0
		#0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, # 0xE8
		#0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, # 0xF0
		#0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, # 0xF8
	)
	# "shreg2zif_map" is a mapping of the shift register outputs
	# to the ZIF socket pins
	shreg2zif_map = {
		# SHREG.PIN  :  ZIF_PIN
		"1.5" : 24, # Q6C
		"1.4" : 30, # Q5C + D30C
		"1.3" : 32, # Q4C
		"1.2" : 34, # Q3C
		"1.1" : 36, # Q2C
		"1.0" : 40, # Q1C
	}

	def __init__(self, top=None):
		ShiftregLayout.__init__(self, nrZifPins=40, nrShiftRegs=2)
		self.top = top

	def minVoltage(self):
		"Get the min supported voltage"
		return 5

	def maxVoltage(self):
		"Get the max supported voltage"
		return 5

	def setLayoutID(self, id):
		self.top.cmdLoadVCCLayout(id)

if __name__ == "__main__":
	print("ZIF socket VCC layouts")
	print(VCCLayout())