diff options
Diffstat (limited to 'decoders/rtc8564/pd.py')
| -rw-r--r-- | decoders/rtc8564/pd.py | 59 |
1 files changed, 46 insertions, 13 deletions
diff --git a/decoders/rtc8564/pd.py b/decoders/rtc8564/pd.py index ed55d4c..1961c66 100644 --- a/decoders/rtc8564/pd.py +++ b/decoders/rtc8564/pd.py @@ -52,11 +52,15 @@ class Decoder(srd.Decoder): ['reg-0x08', 'Register 0x08'], ['read', 'Read date/time'], ['write', 'Write date/time'], - ['bits', 'Bits'], + ['bit-reserved', 'Reserved bit'], + ['bit-vl', 'VL bit'], + ['bit-century', 'Century bit'], + ['reg-read', 'Register read'], + ['reg-write', 'Register write'], ] annotation_rows = ( - ('bits', 'Bits', (11,)), - ('regs', 'Registers', tuple(range(0, 8 + 1))), + ('bits', 'Bits', tuple(range(0, 8 + 1)) + (11, 12, 13)), + ('regs', 'Register access', (14, 15)), ('date-time', 'Date/time', (9, 10)), ) @@ -69,6 +73,7 @@ class Decoder(srd.Decoder): self.weekdays = -1 self.months = -1 self.years = -1 + self.bits = [] def start(self): # self.out_python = self.register(srd.OUTPUT_PYTHON) @@ -77,6 +82,13 @@ class Decoder(srd.Decoder): def putx(self, data): self.put(self.ss, self.es, self.out_ann, data) + def putd(self, bit1, bit2, data): + self.put(self.bits[bit1][1], self.bits[bit2][2], self.out_ann, data) + + def putr(self, bit): + self.put(self.bits[bit][1], self.bits[bit][2], self.out_ann, + [11, ['Reserved bit', 'Reserved', 'Rsvd', 'R']]) + def handle_reg_0x00(self, b): # Control register 1 pass @@ -106,33 +118,42 @@ class Decoder(srd.Decoder): self.putx([1, [ann]]) def handle_reg_0x02(self, b): # Seconds / Voltage-low bit - s = self.seconds = bcd2int(b & 0x7f) - self.putx([2, ['Second: %d' % s, 'Sec: %d' % s, 'S: %d' % s]]) vl = 1 if (b & (1 << 7)) else 0 - self.putx([11, ['Voltage low: %d' % vl, 'Volt low: %d' % vl, + self.putd(7, 7, [12, ['Voltage low: %d' % vl, 'Volt. low: %d' % vl, 'VL: %d' % vl]]) + s = self.seconds = bcd2int(b & 0x7f) + self.putd(6, 0, [2, ['Second: %d' % s, 'Sec: %d' % s, 'S: %d' % s]]) def handle_reg_0x03(self, b): # Minutes + self.putr(7) m = self.minutes = bcd2int(b & 0x7f) - self.putx([3, ['Minute: %d' % m, 'Min: %d' % m, 'M: %d' % m]]) + self.putd(6, 0, [3, ['Minute: %d' % m, 'Min: %d' % m, 'M: %d' % m]]) def handle_reg_0x04(self, b): # Hours + self.putr(7) + self.putr(6) h = self.hours = bcd2int(b & 0x3f) - self.putx([4, ['Hour: %d' % h, 'H: %d' % h]]) + self.putd(5, 0, [4, ['Hour: %d' % h, 'H: %d' % h]]) def handle_reg_0x05(self, b): # Days + self.putr(7) + self.putr(6) d = self.days = bcd2int(b & 0x3f) - self.putx([5, ['Day: %d' % d, 'D: %d' % d]]) + self.putd(5, 0, [5, ['Day: %d' % d, 'D: %d' % d]]) def handle_reg_0x06(self, b): # Weekdays + for i in (7, 6, 5, 4, 3): + self.putr(i) w = self.weekdays = bcd2int(b & 0x07) - self.putx([6, ['Weekday: %d' % w, 'WD: %d' % w]]) + self.putd(2, 0, [6, ['Weekday: %d' % w, 'WD: %d' % w]]) def handle_reg_0x07(self, b): # Months / century bit - m = self.months = bcd2int(b & 0x1f) - self.putx([7, ['Month: %d' % m, 'Mon: %d' % m]]) c = 1 if (b & (1 << 7)) else 0 - self.putx([11, ['Century: %d' % c, 'Cent: %d' % c, 'C: %d' % c]]) + self.putd(7, 7, [13, ['Century: %d' % c, 'Cent: %d' % c, 'C: %d' % c]]) + self.putr(6) + self.putr(5) + m = self.months = bcd2int(b & 0x1f) + self.putd(4, 0, [7, ['Month: %d' % m, 'Mon: %d' % m]]) def handle_reg_0x08(self, b): # Years y = self.years = bcd2int(b & 0xff) @@ -162,6 +183,12 @@ class Decoder(srd.Decoder): def decode(self, ss, es, data): cmd, databyte = data + # Collect the 'BITS' packet, then return. The next packet is + # guaranteed to belong to these bits we just stored. + if cmd == 'BITS': + self.bits = databyte + return + # Store the start/end samples of this I²C packet. self.ss, self.es = ss, es @@ -191,6 +218,9 @@ class Decoder(srd.Decoder): return # Otherwise: Get data bytes until a STOP condition occurs. if cmd == 'DATA WRITE': + r, s = self.reg, '%02X: %02X' % (self.reg, databyte) + self.putx([15, ['Write register %s' % s, 'Write reg %s' % s, + 'WR %s' % s, 'WR', 'W']]) handle_reg = getattr(self, 'handle_reg_0x%02x' % self.reg) handle_reg(databyte) self.reg += 1 @@ -215,6 +245,9 @@ class Decoder(srd.Decoder): pass # TODO elif self.state == 'READ RTC REGS2': if cmd == 'DATA READ': + r, s = self.reg, '%02X: %02X' % (self.reg, databyte) + self.putx([15, ['Read register %s' % s, 'Read reg %s' % s, + 'RR %s' % s, 'RR', 'R']]) handle_reg = getattr(self, 'handle_reg_0x%02x' % self.reg) handle_reg(databyte) self.reg += 1 |