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"""
# TOP2049 Open Source programming suite
#
# Microchip8 - 18f2221 family - 8bit PIC MCU
#
# Copyright (c) 2013 Pavel Stemberk <stemberk@gmail.com>
#
# 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.
"""
from libtoprammer.chips.microchip8.microchip8_18_common import *
class microchip8_18f2221family(Chip_Microchip8_18_common):
voltageVDD = 5
voltageVPP = 11
delayP2A = 0.0000008 # Serial clock low time
delayP5 = 0.0000015 # Delay between 4-bit command and command operand
def __init__(self,
chipPackage, chipPinVCC, chipPinsVPP, chipPinGND,
signature,
flashPageSize, flashPages,
eepromPageSize, eepromPages,
fuseBytes
):
Chip_Microchip8_18_common.__init__(self,
chipPackage, chipPinVCC, chipPinsVPP, chipPinGND,
signature,
flashPageSize, flashPages,
eepromPageSize, eepromPages,
fuseBytes)
def erase(self):
self.progressMeterInit("Erasing chip", 0)
self.enterPM(True)
self.executeCode(self.getCodeAddrToTBLPTR(0x3C0005))
self.send4bitWriteInstruction(self.CMD_TW, 0x3F3F)
self.executeCode(self.getCodeAddrToTBLPTR(0x3C0004))
self.send4bitWriteInstruction(self.CMD_TW, 0x8F8F)
self.executeCode((0x0000,))
self.sendCommand(1)
self.top.hostDelay(self.delayP11 + self.delayP10)
for i in range(0,4):
self.sendCommand(1)
self.top.flushCommands()
self.progressMeterFinish()
def eraseRow(self, rowAddr):
self.executeCode((0x8EA6, 0x9CA6, 0x84A6))
self.executeCode(self.getCodeAddrToTBLPTR(rowAddr))
self.executeCode((0x88A6, 0x82A6))
self.sendCommand(1, 0, 0, 0x0, 1)
self.top.hostDelay(self.delayP9)
self.setPins(0)
self.top.hostDelay(self.delayP10)
def setEEPROMAddr(self, addr):
self.executeCode((0x0E00 | (addr & 0xFF), 0x6EA9, (0x0E00 | ((addr >> 8) & 0xFF)), 0x6EAA))
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