diff options
Diffstat (limited to 'decoders/i2c/pd.py')
| -rw-r--r-- | decoders/i2c/pd.py | 46 |
1 files changed, 27 insertions, 19 deletions
diff --git a/decoders/i2c/pd.py b/decoders/i2c/pd.py index d9061f5..70795c0 100644 --- a/decoders/i2c/pd.py +++ b/decoders/i2c/pd.py @@ -48,18 +48,19 @@ For example, a slave address field could be 0x51 (instead of 0xa2). For 'START', 'START REPEAT', 'STOP', 'ACK', and 'NACK' <pdata> is None. ''' -# CMD: [annotation-type-index, long annotation, short annotation] +# Meaning of table items: +# command -> [annotation class, annotation text in order of decreasing length] proto = { - 'START': [0, 'Start', 'S'], - 'START REPEAT': [1, 'Start repeat', 'Sr'], - 'STOP': [2, 'Stop', 'P'], - 'ACK': [3, 'ACK', 'A'], - 'NACK': [4, 'NACK', 'N'], - 'BIT': [5, 'Bit', 'B'], - 'ADDRESS READ': [6, 'Address read', 'AR'], - 'ADDRESS WRITE': [7, 'Address write', 'AW'], - 'DATA READ': [8, 'Data read', 'DR'], - 'DATA WRITE': [9, 'Data write', 'DW'], + 'START': [0, 'Start', 'S'], + 'START REPEAT': [1, 'Start repeat', 'Sr'], + 'STOP': [2, 'Stop', 'P'], + 'ACK': [3, 'ACK', 'A'], + 'NACK': [4, 'NACK', 'N'], + 'BIT': [5, '{b:1d}'], + 'ADDRESS READ': [6, 'Address read: {b:02X}', 'AR: {b:02X}', '{b:02X}'], + 'ADDRESS WRITE': [7, 'Address write: {b:02X}', 'AW: {b:02X}', '{b:02X}'], + 'DATA READ': [8, 'Data read: {b:02X}', 'DR: {b:02X}', '{b:02X}'], + 'DATA WRITE': [9, 'Data write: {b:02X}', 'DW: {b:02X}', '{b:02X}'], } class Decoder(srd.Decoder): @@ -145,7 +146,8 @@ class Decoder(srd.Decoder): self.pdu_bits = 0 cmd = 'START REPEAT' if self.is_repeat_start else 'START' self.putp([cmd, None]) - self.putx([proto[cmd][0], proto[cmd][1:]]) + cls, texts = proto[cmd][0], proto[cmd][1:] + self.putx([cls, texts]) self.state = 'FIND ADDRESS' self.is_repeat_start = True self.is_write = None @@ -230,17 +232,21 @@ class Decoder(srd.Decoder): self.putb([bin_class, bytes([d])]) - for bit in self.data_bits: - self.put(bit[1], bit[2], self.out_ann, [5, ['%d' % bit[0]]]) + for b, ss, es in self.data_bits: + cls, texts = proto['BIT'][0], proto['BIT'][1:] + texts = [t.format(b = b) for t in texts] + self.put(ss, es, self.out_ann, [cls, texts]) if cmd.startswith('ADDRESS') and is_seven: self.ss, self.es = self.samplenum, self.samplenum + self.bitwidth + cls = proto[cmd][0] w = ['Write', 'Wr', 'W'] if self.is_write else ['Read', 'Rd', 'R'] - self.putx([proto[cmd][0], w]) + self.putx([cls, w]) self.ss, self.es = self.ss_byte, self.samplenum - self.putx([proto[cmd][0], ['%s: %02X' % (proto[cmd][1], d), - '%s: %02X' % (proto[cmd][2], d), '%02X' % d]]) + cls, texts = proto[cmd][0], proto[cmd][1:] + texts = [t.format(b = d) for t in texts] + self.putx([cls, texts]) # Done with this packet. self.data_bits.clear() @@ -251,7 +257,8 @@ class Decoder(srd.Decoder): self.ss, self.es = self.samplenum, self.samplenum + self.bitwidth cmd = 'NACK' if (sda == 1) else 'ACK' self.putp([cmd, None]) - self.putx([proto[cmd][0], proto[cmd][1:]]) + cls, texts = proto[cmd][0], proto[cmd][1:] + self.putx([cls, texts]) # Slave addresses can span one or two bytes, before data bytes # follow. There can be an arbitrary number of data bytes. Stick # with getting more address bytes if applicable, or enter or @@ -273,7 +280,8 @@ class Decoder(srd.Decoder): cmd = 'STOP' self.ss, self.es = self.samplenum, self.samplenum self.putp([cmd, None]) - self.putx([proto[cmd][0], proto[cmd][1:]]) + cls, texts = proto[cmd][0], proto[cmd][1:] + self.putx([cls, texts]) self.state = 'FIND START' self.is_repeat_start = False self.is_write = None |