##
## This file is part of the libsigrokdecode project.
##
-## Copyright (C) 2012-2014 Uwe Hermann <uwe@hermann-uwe.de>
+## Copyright (C) 2012-2020 Uwe Hermann <uwe@hermann-uwe.de>
## Copyright (C) 2013 Matt Ranostay <mranostay@gmail.com>
##
## This program is free software; you can redistribute it and/or modify
import re
import sigrokdecode as srd
-from common.srdhelper import bcd2int
+from common.srdhelper import bcd2int, SrdIntEnum
days_of_week = (
'Sunday', 'Monday', 'Tuesday', 'Wednesday',
l += [('bit_' + re.sub('\/| ', '_', b).lower(), b + ' bit') for b in bits]
return tuple(l)
+a = ['REG_' + r.upper() for r in regs] + \
+ ['BIT_' + re.sub('\/| ', '_', b).upper() for b in bits] + \
+ ['READ_DATE_TIME', 'WRITE_DATE_TIME', 'READ_REG', 'WRITE_REG', 'WARNING']
+Ann = SrdIntEnum.from_list('Ann', a)
+
class Decoder(srd.Decoder):
api_version = 3
id = 'ds1307'
annotations = regs_and_bits() + (
('read_date_time', 'Read date/time'),
('write_date_time', 'Write date/time'),
- ('reg_read', 'Register read'),
- ('reg_write', 'Register write'),
+ ('read_reg', 'Register read'),
+ ('write_reg', 'Register write'),
('warning', 'Warning'),
)
annotation_rows = (
- ('bits', 'Bits', tuple(range(9, 24))),
- ('regs', 'Registers', tuple(range(9))),
- ('date_time', 'Date/time', (24, 25, 26, 27)),
- ('warnings', 'Warnings', (28,)),
+ ('bits', 'Bits', Ann.prefixes('BIT_')),
+ ('regs', 'Registers', Ann.prefixes('REG_')),
+ ('date_time', 'Date/time', Ann.prefixes('READ_ WRITE_')),
+ ('warnings', 'Warnings', (Ann.WARNING,)),
)
def __init__(self):
def putr(self, bit):
self.put(self.bits[bit][1], self.bits[bit][2], self.out_ann,
- [11, ['Reserved bit', 'Reserved', 'Rsvd', 'R']])
+ [Ann.BIT_RESERVED, ['Reserved bit', 'Reserved', 'Rsvd', 'R']])
def handle_reg_0x00(self, b): # Seconds (0-59) / Clock halt bit
- self.putd(7, 0, [0, ['Seconds', 'Sec', 'S']])
+ self.putd(7, 0, [Ann.REG_SECONDS, ['Seconds', 'Sec', 'S']])
ch = 1 if (b & (1 << 7)) else 0
- self.putd(7, 7, [9, ['Clock halt: %d' % ch, 'Clk hlt: %d' % ch,
- 'CH: %d' % ch, 'CH']])
+ self.putd(7, 7, [Ann.BIT_CLOCK_HALT, ['Clock halt: %d' % ch,
+ 'Clk hlt: %d' % ch, 'CH: %d' % ch, 'CH']])
s = self.seconds = bcd2int(b & 0x7f)
- self.putd(6, 0, [10, ['Second: %d' % s, 'Sec: %d' % s, 'S: %d' % s, 'S']])
+ self.putd(6, 0, [Ann.BIT_SECONDS, ['Second: %d' % s, 'Sec: %d' % s,
+ 'S: %d' % s, 'S']])
def handle_reg_0x01(self, b): # Minutes (0-59)
- self.putd(7, 0, [1, ['Minutes', 'Min', 'M']])
+ self.putd(7, 0, [Ann.REG_MINUTES, ['Minutes', 'Min', 'M']])
self.putr(7)
m = self.minutes = bcd2int(b & 0x7f)
- self.putd(6, 0, [12, ['Minute: %d' % m, 'Min: %d' % m, 'M: %d' % m, 'M']])
+ self.putd(6, 0, [Ann.BIT_MINUTES, ['Minute: %d' % m, 'Min: %d' % m, 'M: %d' % m, 'M']])
def handle_reg_0x02(self, b): # Hours (1-12+AM/PM or 0-23)
- self.putd(7, 0, [2, ['Hours', 'H']])
+ self.putd(7, 0, [Ann.REG_HOURS, ['Hours', 'H']])
self.putr(7)
ampm_mode = True if (b & (1 << 6)) else False
if ampm_mode:
- self.putd(6, 6, [13, ['12-hour mode', '12h mode', '12h']])
+ self.putd(6, 6, [Ann.BIT_12_24_HOURS, ['12-hour mode', '12h mode', '12h']])
a = 'PM' if (b & (1 << 5)) else 'AM'
- self.putd(5, 5, [14, [a, a[0]]])
+ self.putd(5, 5, [Ann.BIT_AM_PM, [a, a[0]]])
h = self.hours = bcd2int(b & 0x1f)
- self.putd(4, 0, [15, ['Hour: %d' % h, 'H: %d' % h, 'H']])
+ self.putd(4, 0, [Ann.BIT_HOURS, ['Hour: %d' % h, 'H: %d' % h, 'H']])
else:
- self.putd(6, 6, [13, ['24-hour mode', '24h mode', '24h']])
+ self.putd(6, 6, [Ann.BIT_12_24_HOURS, ['24-hour mode', '24h mode', '24h']])
h = self.hours = bcd2int(b & 0x3f)
- self.putd(5, 0, [15, ['Hour: %d' % h, 'H: %d' % h, 'H']])
+ self.putd(5, 0, [Ann.BIT_HOURS, ['Hour: %d' % h, 'H: %d' % h, 'H']])
def handle_reg_0x03(self, b): # Day / day of week (1-7)
- self.putd(7, 0, [3, ['Day of week', 'Day', 'D']])
+ self.putd(7, 0, [Ann.REG_DAY, ['Day of week', 'Day', 'D']])
for i in (7, 6, 5, 4, 3):
self.putr(i)
w = self.days = bcd2int(b & 0x07)
ws = days_of_week[self.days - 1]
- self.putd(2, 0, [16, ['Weekday: %s' % ws, 'WD: %s' % ws, 'WD', 'W']])
+ self.putd(2, 0, [Ann.BIT_DAY, ['Weekday: %s' % ws, 'WD: %s' % ws, 'WD', 'W']])
def handle_reg_0x04(self, b): # Date (1-31)
- self.putd(7, 0, [4, ['Date', 'D']])
+ self.putd(7, 0, [Ann.REG_DATE, ['Date', 'D']])
for i in (7, 6):
self.putr(i)
d = self.date = bcd2int(b & 0x3f)
- self.putd(5, 0, [17, ['Date: %d' % d, 'D: %d' % d, 'D']])
+ self.putd(5, 0, [Ann.BIT_DATE, ['Date: %d' % d, 'D: %d' % d, 'D']])
def handle_reg_0x05(self, b): # Month (1-12)
- self.putd(7, 0, [5, ['Month', 'Mon', 'M']])
+ self.putd(7, 0, [Ann.REG_MONTH, ['Month', 'Mon', 'M']])
for i in (7, 6, 5):
self.putr(i)
m = self.months = bcd2int(b & 0x1f)
- self.putd(4, 0, [18, ['Month: %d' % m, 'Mon: %d' % m, 'M: %d' % m, 'M']])
+ self.putd(4, 0, [Ann.BIT_MONTH, ['Month: %d' % m, 'Mon: %d' % m, 'M: %d' % m, 'M']])
def handle_reg_0x06(self, b): # Year (0-99)
- self.putd(7, 0, [6, ['Year', 'Y']])
+ self.putd(7, 0, [Ann.REG_YEAR, ['Year', 'Y']])
y = self.years = bcd2int(b & 0xff)
self.years += 2000
- self.putd(7, 0, [19, ['Year: %d' % y, 'Y: %d' % y, 'Y']])
+ self.putd(7, 0, [Ann.BIT_YEAR, ['Year: %d' % y, 'Y: %d' % y, 'Y']])
def handle_reg_0x07(self, b): # Control Register
- self.putd(7, 0, [7, ['Control', 'Ctrl', 'C']])
+ self.putd(7, 0, [Ann.REG_CONTROL, ['Control', 'Ctrl', 'C']])
for i in (6, 5, 3, 2):
self.putr(i)
o = 1 if (b & (1 << 7)) else 0
s = 1 if (b & (1 << 4)) else 0
s2 = 'en' if (b & (1 << 4)) else 'dis'
r = rates[b & 0x03]
- self.putd(7, 7, [20, ['Output control: %d' % o,
+ self.putd(7, 7, [Ann.BIT_OUT, ['Output control: %d' % o,
'OUT: %d' % o, 'O: %d' % o, 'O']])
- self.putd(4, 4, [21, ['Square wave output: %sabled' % s2,
+ self.putd(4, 4, [Ann.BIT_SQWE, ['Square wave output: %sabled' % s2,
'SQWE: %sabled' % s2, 'SQWE: %d' % s, 'S: %d' % s, 'S']])
- self.putd(1, 0, [22, ['Square wave output rate: %s' % r,
+ self.putd(1, 0, [Ann.BIT_RS, ['Square wave output rate: %s' % r,
'Square wave rate: %s' % r, 'SQW rate: %s' % r, 'Rate: %s' % r,
'RS: %s' % s, 'RS', 'R']])
def handle_reg_0x3f(self, b): # RAM (bytes 0x08-0x3f)
- self.putd(7, 0, [8, ['RAM', 'R']])
- self.putd(7, 0, [23, ['SRAM: 0x%02X' % b, '0x%02X' % b]])
+ self.putd(7, 0, [Ann.REG_RAM, ['RAM', 'R']])
+ self.putd(7, 0, [Ann.BIT_RAM, ['SRAM: 0x%02X' % b, '0x%02X' % b]])
def output_datetime(self, cls, rw):
# TODO: Handle read/write of only parts of these items.
if addr == DS1307_I2C_ADDRESS:
return True
self.put(self.ss_block, self.es, self.out_ann,
- [28, ['Ignoring non-DS1307 data (slave 0x%02X)' % addr]])
+ [Ann.WARNING, ['Ignoring non-DS1307 data (slave 0x%02X)' % addr]])
return False
def decode(self, ss, es, data):
if cmd == 'DATA WRITE':
self.handle_reg(databyte)
elif cmd == 'STOP':
- self.output_datetime(25, 'Written')
+ self.output_datetime(Ann.WRITE_DATE_TIME, 'Written')
self.state = 'IDLE'
elif self.state == 'READ RTC REGS':
# Wait for an address read operation.
if cmd == 'DATA READ':
self.handle_reg(databyte)
elif cmd == 'STOP':
- self.output_datetime(24, 'Read')
+ self.output_datetime(Ann.READ_DATE_TIME, 'Read')
self.state = 'IDLE'