diff options
Diffstat (limited to 'decoders/uart')
| -rw-r--r-- | decoders/uart/pd.py | 41 |
1 files changed, 19 insertions, 22 deletions
diff --git a/decoders/uart/pd.py b/decoders/uart/pd.py index df4bba0..5aa3e4a 100644 --- a/decoders/uart/pd.py +++ b/decoders/uart/pd.py @@ -26,13 +26,6 @@ import sigrokdecode as srd RX = 0 TX = 1 -# Annotation feed formats -ANN_ASCII = 0 -ANN_DEC = 1 -ANN_HEX = 2 -ANN_OCT = 3 -ANN_BITS = 4 - # Given a parity type to check (odd, even, zero, one), the value of the # parity bit, the value of the data, and the length of the data (5-9 bits, # usually 8 bits) return True if the parity is correct, False otherwise. @@ -79,14 +72,11 @@ class Decoder(srd.Decoder): 'parity_check': ['Check parity?', 'yes'], # TODO: Bool supported? 'num_stop_bits': ['Stop bit(s)', '1'], # String! 0, 0.5, 1, 1.5. 'bit_order': ['Bit order', 'lsb-first'], + 'format': ['Data format', 'ascii'], # ascii/dec/hex/oct/bin # TODO: Options to invert the signal(s). } annotations = [ - ['ASCII', 'Data bytes as ASCII characters'], - ['Decimal', 'Databytes as decimal, integer values'], - ['Hex', 'Data bytes in hex format'], - ['Octal', 'Data bytes as octal numbers'], - ['Bits', 'Data bytes in bit notation (sequence of 0/1 digits)'], + ['Data', 'UART data'], ] def putx(self, rxtx, data): @@ -173,7 +163,7 @@ class Decoder(srd.Decoder): self.state[rxtx] = 'GET DATA BITS' self.putp(['STARTBIT', rxtx, self.startbit[rxtx]]) - self.putg([ANN_ASCII, ['Start bit', 'Start', 'S']]) + self.putg([0, ['Start bit', 'Start', 'S']]) def get_data_bits(self, rxtx, signal): # Skip samples until we're in the middle of the desired data bit. @@ -206,12 +196,19 @@ class Decoder(srd.Decoder): self.putp(['DATA', rxtx, self.databyte[rxtx]]) s = 'RX: ' if (rxtx == RX) else 'TX: ' - b = self.databyte[rxtx] - self.putx(rxtx, [ANN_ASCII, [s + chr(b)]]) - self.putx(rxtx, [ANN_DEC, [s + str(b)]]) - self.putx(rxtx, [ANN_HEX, [s + hex(b)[2:]]]) - self.putx(rxtx, [ANN_OCT, [s + oct(b)[2:]]]) - self.putx(rxtx, [ANN_BITS, [s + bin(b)[2:]]]) + b, f = self.databyte[rxtx], self.options['format'] + if f == 'ascii': + self.putx(rxtx, [0, [s + chr(b)]]) + elif f == 'dec': + self.putx(rxtx, [0, [s + str(b)]]) + elif f == 'hex': + self.putx(rxtx, [0, [s + hex(b)[2:]]]) + elif f == 'oct': + self.putx(rxtx, [0, [s + oct(b)[2:]]]) + elif f == 'bin': + self.putx(rxtx, [0, [s + bin(b)[2:]]]) + else: + raise Exception('Invalid data format option: %s' % f) def get_parity_bit(self, rxtx, signal): # If no parity is used/configured, skip to the next state immediately. @@ -230,11 +227,11 @@ class Decoder(srd.Decoder): if parity_ok(self.options['parity_type'], self.paritybit[rxtx], self.databyte[rxtx], self.options['num_data_bits']): self.putp(['PARITYBIT', rxtx, self.paritybit[rxtx]]) - self.putg([ANN_ASCII, ['Parity bit', 'Parity', 'P']]) + self.putg([0, ['Parity bit', 'Parity', 'P']]) else: # TODO: Return expected/actual parity values. self.putp(['PARITY ERROR', rxtx, (0, 1)]) # FIXME: Dummy tuple... - self.putg([ANN_ASCII, ['Parity error', 'Parity err', 'PE']]) + self.putg([0, ['Parity error', 'Parity err', 'PE']]) # TODO: Currently only supports 1 stop bit. def get_stop_bits(self, rxtx, signal): @@ -254,7 +251,7 @@ class Decoder(srd.Decoder): self.state[rxtx] = 'WAIT FOR START BIT' self.putp(['STOPBIT', rxtx, self.stopbit1[rxtx]]) - self.putg([ANN_ASCII, ['Stop bit', 'Stop', 'T']]) + self.putg([0, ['Stop bit', 'Stop', 'T']]) def decode(self, ss, es, data): # TODO: Either RX or TX could be omitted (optional probe). |