X-Git-Url: https://sigrok.org/gitweb/?p=libsigrokdecode.git;a=blobdiff_plain;f=decoders%2Fpan1321.py;h=031e03dbfca831544b994ee68c36b6d80929ebbb;hp=2d86679720c5ec14047759994ef6b96c1dd5df1e;hb=5dd1c937a764a1517a8e12d10af6c3fcb9c8b3c9;hpb=d0e93c76e381eff58ca23949301f781b24ba4a8b diff --git a/decoders/pan1321.py b/decoders/pan1321.py index 2d86679..031e03d 100644 --- a/decoders/pan1321.py +++ b/decoders/pan1321.py @@ -18,6 +18,8 @@ ## Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA ## +# +# Panasonic PAN1321 Bluetooth module protocol decoder # # TODO # @@ -30,10 +32,14 @@ ANN_ASCII = 0 # UART 'data' packet type. T_DATA = 1 +# ... +RX = 0 +TX = 1 + class Decoder(srd.Decoder): id = 'pan1321' - name = 'Panasonic PAN1321' - longname = 'TODO.' + name = 'PAN1321' + longname = 'Panasonic PAN1321' desc = 'TODO.' longdesc = 'TODO.' author = 'Uwe Hermann' @@ -41,52 +47,71 @@ class Decoder(srd.Decoder): license = 'gplv2+' inputs = ['uart'] outputs = ['pan1321'] - # probes = [ - # ] - options = { - } + probes = [] + options = {} annotations = [ - # ANN_ASCII - ["ASCII", "TODO: description"], + ['ASCII', 'TODO: description'], ] def __init__(self, **kwargs): - self.cmd = '' + self.cmd = ['', ''] def start(self, metadata): - # self.out_proto = self.add(srd.SRD_OUTPUT_PROTO, 'pan1321') - self.out_ann = self.add(srd.SRD_OUTPUT_ANN, 'pan1321') + # self.out_proto = self.add(srd.OUTPUT_PROTO, 'pan1321') + self.out_ann = self.add(srd.OUTPUT_ANN, 'pan1321') def report(self): pass + def handle_host_command(self, ss, es, rxtx, s): + if s.startswith('AT+JSEC'): + pin = s[s.find('\r\n') - 4:len(s) - 2] + self.put(ss, es, self.out_ann, + [ANN_ASCII, ['Host set the Bluetooth PIN to ' + pin]]) + elif s.startswith('AT+JSLN'): + name = s[s.find(',') + 1:-2] + self.put(ss, es, self.out_ann, + [ANN_ASCII, ['Host set the Bluetooth name to ' + name]]) + else: + self.put(ss, es, self.out_ann, + [ANN_ASCII, ['Host sent unsupported command']]) + self.cmd[rxtx] = '' + + def handle_device_reply(self, ss, es, rxtx, s): + if s == 'ROK\r\n': + self.put(ss, es, self.out_ann, + [ANN_ASCII, ['Device initialized correctly']]) + elif s == 'OK\r\n': + self.put(ss, es, self.out_ann, + [ANN_ASCII, ['Device acknowledged last command']]) + elif s.startswith('ERR'): + error = s[s.find('=') + 1:] + self.put(ss, es, self.out_ann, + [ANN_ASCII, ['Device sent error code ' + error]]) + else: + self.put(ss, es, self.out_ann, + [ANN_ASCII, ['Device sent an unknown reply']]) + self.cmd[rxtx] = '' + def decode(self, ss, es, data): - ptype, pdata = data + ptype, rxtx, pdata = data # For now, ignore all UART packets except the actual data packets. if ptype != T_DATA: return - # Append new (ASCII) byte to the current command. - self.cmd += chr(pdata) + # Append a new (ASCII) byte to the currently built/parsed command. + self.cmd[rxtx] += chr(pdata) # Get packets/bytes until an \r\n sequence is found (end of command). - if chr(pdata) != '\n': + if self.cmd[rxtx][-1:] != '\n': return - s = self.cmd - - # FIXME: This is just a quick hack. - if s.startswith('AT+JSEC'): - pin = s[s.find('\r\n') - 4:len(s) - 2] - self.put(ss, es, self.out_ann, - [ANN_ASCII, ['Setting Bluetooth PIN to ' + pin]]) - elif s.startswith('AT+JSLN'): - name = s[s.find(',') + 1:-2] - self.put(ss, es, self.out_ann, - [ANN_ASCII, ['Setting Bluetooth name to ' + name]]) + # Handle host commands and device replies. + if rxtx == RX: + self.handle_device_reply(ss, es, rxtx, self.cmd[rxtx]) + elif rxtx == TX: + self.handle_host_command(ss, es, rxtx, self.cmd[rxtx]) else: - self.put(ss, es, self.out_ann, [ANN_ASCII, ['Unsupported command']]) - - self.cmd = '' + pass # TODO: Error.