X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=decoders%2Fspiflash%2Fpd.py;h=d33ac0ce298bcb5f7157eb3ef0cccd5a69990971;hb=03ec43f06ea5675828316228f4e26f8152859c99;hp=03e16e20e7f2ded76d566728a1c0642a0e6dbc83;hpb=1ec9c5e29850740a96d3e2b137ace9a4a678d786;p=libsigrokdecode.git diff --git a/decoders/spiflash/pd.py b/decoders/spiflash/pd.py index 03e16e2..d33ac0c 100644 --- a/decoders/spiflash/pd.py +++ b/decoders/spiflash/pd.py @@ -84,9 +84,12 @@ class Decoder(srd.Decoder): options = ( {'id': 'chip', 'desc': 'Chip', 'default': tuple(chips.keys())[0], 'values': tuple(chips.keys())}, + {'id': 'format', 'desc': 'Data format', 'default': 'hex', + 'values': ('hex', 'ascii')}, ) def __init__(self): + self.device_id = -1 self.on_end_transaction = None self.end_current_transaction() @@ -110,6 +113,7 @@ class Decoder(srd.Decoder): def start(self): self.out_ann = self.register(srd.OUTPUT_ANN) self.chip = chips[self.options['chip']] + self.vendor = self.options['chip'].split('_')[0] def putx(self, data): # Simplification, most annotations span exactly one SPI byte/packet. @@ -118,6 +122,10 @@ class Decoder(srd.Decoder): def putb(self, data): self.put(self.ss_block, self.es_block, self.out_ann, data) + def vendor_device(self): + dev = device_name[self.vendor].get(self.device_id, 'Unknown') + return '%s %s' % (self.chip['vendor'], dev) + def handle_wren(self, mosi, miso): self.putx([0, ['Command: %s' % cmds[self.state][1]]]) self.state = None @@ -143,9 +151,8 @@ class Decoder(srd.Decoder): self.putx([2, ['Device ID: 0x%02x' % miso]]) if self.cmdstate == 4: - # TODO: Check self.device_id is valid & exists in device_names. # TODO: Same device ID? Check! - d = 'Device: Macronix %s' % device_name[self.device_id] + d = 'Device: %s' % self.vendor_device() self.put(self.ss_block, self.es, self.out_ann, [0, [d]]) self.state = None else: @@ -300,7 +307,20 @@ class Decoder(srd.Decoder): pass # TODO def handle_rdp_res(self, mosi, miso): - pass # TODO + if self.cmdstate == 1: + # Byte 1: Master sends command ID. + self.ss_block = self.ss + self.putx([16, ['Command: %s' % cmds[self.state][1]]]) + elif self.cmdstate in (2, 3, 4): + # Bytes 2/3/4: Master sends three dummy bytes. + self.putx([24, ['Dummy byte: %02x' % mosi]]) + elif self.cmdstate == 5: + # Byte 5: Slave sends device ID. + self.device_id = miso + self.putx([24, ['Device: %s' % self.vendor_device()]]) + self.state = None + + self.cmdstate += 1 def handle_rems(self, mosi, miso): if self.cmdstate == 1: @@ -331,7 +351,8 @@ class Decoder(srd.Decoder): if self.cmdstate == 6: id = self.ids[1] if self.manufacturer_id_first else self.ids[0] - self.putx([24, ['Device: Macronix %s' % device_name[id]]]) + self.device_id = id + self.putx([24, ['Device: %s' % self.vendor_device()]]) self.state = None else: self.cmdstate += 1 @@ -361,7 +382,10 @@ class Decoder(srd.Decoder): # Print accumulated block of data # (called on CS# de-assert via self.on_end_transaction callback). self.es_block = self.es # Ends on the CS# de-assert sample. - s = ' '.join([('%02x' % b) for b in self.data]) + if self.options['format'] == 'hex': + s = ' '.join([('%02x' % b) for b in self.data]) + else: + s = ''.join(map(chr, self.data)) self.putb([25, ['%s %d bytes: %s' % (label, len(self.data), s)]]) def decode(self, ss, es, data):