##
-## This file is part of the sigrok project.
+## This file is part of the libsigrokdecode project.
##
## Copyright (C) 2012 Uwe Hermann <uwe@hermann-uwe.de>
##
## Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
##
-# Epson RTC-8564 JE/NB protocol decoder
-
import sigrokdecode as srd
# Return the specified BCD number (max. 8 bits) as integer.
outputs = ['rtc8564']
probes = []
optional_probes = [
- {'id': 'clkout', 'name': 'CLKOUT', 'desc': 'TODO.'},
- {'id': 'clkoe', 'name': 'CLKOE', 'desc': 'TODO.'},
- {'id': 'int', 'name': 'INT#', 'desc': 'TODO.'},
+ {'id': 'clkout', 'name': 'CLKOUT', 'desc': 'Clock output'},
+ {'id': 'clkoe', 'name': 'CLKOE', 'desc': 'Clock output enable'},
+ {'id': 'int', 'name': 'INT#', 'desc': 'Interrupt'},
]
options = {}
annotations = [
- ['Text', 'Human-readable text'],
+ ['reg-0x00', 'Register 0x00'],
+ ['reg-0x01', 'Register 0x01'],
+ ['reg-0x02', 'Register 0x02'],
+ ['reg-0x03', 'Register 0x03'],
+ ['reg-0x04', 'Register 0x04'],
+ ['reg-0x05', 'Register 0x05'],
+ ['reg-0x06', 'Register 0x06'],
+ ['reg-0x07', 'Register 0x07'],
+ ['reg-0x08', 'Register 0x08'],
+ ['read', 'Read date/time'],
+ ['write', 'Write date/time'],
]
def __init__(self, **kwargs):
self.months = -1
self.years = -1
- def start(self, metadata):
- # self.out_proto = self.add(srd.OUTPUT_PROTO, 'rtc8564')
- self.out_ann = self.add(srd.OUTPUT_ANN, 'rtc8564')
-
- def report(self):
- pass
+ def start(self):
+ # self.out_python = self.register(srd.OUTPUT_PYTHON)
+ self.out_ann = self.register(srd.OUTPUT_ANN)
def putx(self, data):
self.put(self.ss, self.es, self.out_ann, data)
ann += 'TIE = %d: INT# pin output %s when a fixed-cycle interrupt '\
'event occurs\n' % (tie, s)
- self.putx([0, [ann]])
+ self.putx([1, [ann]])
def handle_reg_0x02(self, b): # Seconds / Voltage-low flag
self.seconds = bcd2int(b & 0x7f)
- self.putx([0, ['Seconds: %d' % self.seconds]])
+ self.putx([2, ['Seconds: %d' % self.seconds]])
vl = 1 if (b & (1 << 7)) else 0
- self.putx([0, ['Voltage low (VL) bit: %d' % vl]])
+ self.putx([2, ['Voltage low (VL) bit: %d' % vl]])
def handle_reg_0x03(self, b): # Minutes
self.minutes = bcd2int(b & 0x7f)
- self.putx([0, ['Minutes: %d' % self.minutes]])
+ self.putx([3, ['Minutes: %d' % self.minutes]])
def handle_reg_0x04(self, b): # Hours
self.hours = bcd2int(b & 0x3f)
- self.putx([0, ['Hours: %d' % self.hours]])
+ self.putx([4, ['Hours: %d' % self.hours]])
def handle_reg_0x05(self, b): # Days
self.days = bcd2int(b & 0x3f)
- self.putx([0, ['Days: %d' % self.days]])
+ self.putx([5, ['Days: %d' % self.days]])
def handle_reg_0x06(self, b): # Day counter
pass
def handle_reg_0x07(self, b): # Months / century
# TODO: Handle century bit.
self.months = bcd2int(b & 0x1f)
- self.putx([0, ['Months: %d' % self.months]])
+ self.putx([7, ['Months: %d' % self.months]])
def handle_reg_0x08(self, b): # Years
self.years = bcd2int(b & 0xff)
- self.putx([0, ['Years: %d' % self.years]])
+ self.putx([8, ['Years: %d' % self.years]])
def handle_reg_0x09(self, b): # Alarm, minute
pass
def decode(self, ss, es, data):
cmd, databyte = data
- # Store the start/end samples of this I2C packet.
+ # Store the start/end samples of this I²C packet.
self.ss, self.es = ss, es
# State machine.
if self.state == 'IDLE':
- # Wait for an I2C START condition.
+ # Wait for an I²C START condition.
if cmd != 'START':
return
self.state = 'GET SLAVE ADDR'
d = '%02d.%02d.%02d %02d:%02d:%02d' % (self.days, self.months,
self.years, self.hours, self.minutes, self.seconds)
self.put(self.block_start_sample, es, self.out_ann,
- [0, ['Written date/time: %s' % d]])
+ [9, ['Write date/time: %s' % d]])
self.state = 'IDLE'
else:
pass # TODO
d = '%02d.%02d.%02d %02d:%02d:%02d' % (self.days, self.months,
self.years, self.hours, self.minutes, self.seconds)
self.put(self.block_start_sample, es, self.out_ann,
- [0, ['Read date/time: %s' % d]])
+ [10, ['Read date/time: %s' % d]])
self.state = 'IDLE'
else:
pass # TODO?