X-Git-Url: http://sigrok.org/gitweb/?a=blobdiff_plain;f=decoders%2Fspi%2Fpd.py;h=3bebc7d6efa70e822069eeb5002a47ddc1e31748;hb=3b0013416fcfb17e8bc6cfd6850e79971f239fe0;hp=2d971d31c4fb8657765489f4a6393eb5046f05f9;hpb=bbc100f764f523dbc63daed84be5011432685e9a;p=libsigrokdecode.git diff --git a/decoders/spi/pd.py b/decoders/spi/pd.py index 2d971d3..3bebc7d 100644 --- a/decoders/spi/pd.py +++ b/decoders/spi/pd.py @@ -150,9 +150,11 @@ class Decoder(srd.Decoder): # Dataword annotations. if self.have_miso: - self.putw([0, ['%02X' % self.misodata]]) + ss, es = self.misobits[0][1], self.misobits[-1][2] + self.put(ss, es, self.out_ann, [0, ['%02X' % self.misodata]]) if self.have_mosi: - self.putw([1, ['%02X' % self.mosidata]]) + ss, es = self.mosibits[0][1], self.mosibits[-1][2] + self.put(ss, es, self.out_ann, [1, ['%02X' % self.mosidata]]) def reset_decoder_state(self): self.misodata = 0 if self.have_miso else None @@ -187,7 +189,7 @@ class Decoder(srd.Decoder): else: self.mosidata |= mosi << self.bitcount - # Guesstimate the endsample for this bit (can be overridden later). + # Guesstimate the endsample for this bit (can be overridden below). es = self.samplenum if self.bitcount > 0: es += self.samplenum - self.misobits[self.bitcount - 1][1] @@ -264,6 +266,10 @@ class Decoder(srd.Decoder): self.have_mosi = (mosi in (0, 1)) self.have_cs = (cs in (0, 1)) + # Either MISO or MOSI (but not both) can be omitted. + if not (self.have_miso or self.have_mosi): + raise Exception('Either MISO or MOSI (or both) pins required.') + # State machine. if self.state == 'IDLE': self.find_clk_edge(miso, mosi, clk, cs)