diff options
Diffstat (limited to 'decoders/usb_power_delivery/pd.py')
| -rw-r--r-- | decoders/usb_power_delivery/pd.py | 97 |
1 files changed, 74 insertions, 23 deletions
diff --git a/decoders/usb_power_delivery/pd.py b/decoders/usb_power_delivery/pd.py index 58e4e17..42425ac 100644 --- a/decoders/usb_power_delivery/pd.py +++ b/decoders/usb_power_delivery/pd.py @@ -2,6 +2,7 @@ ## This file is part of the libsigrokdecode project. ## ## Copyright (C) 2015 Google, Inc +## Copyright (C) 2018 davidanger <davidanger@163.com> ## Copyright (C) 2018 Peter Hazenberg <sigrok@haas-en-berg.nl> ## ## This program is free software; you can redistribute it and/or modify @@ -45,7 +46,13 @@ CTRL_TYPES = { 12: 'WAIT', 13: 'SOFT RESET', 14: 'reserved', - 15: 'reserved' + 15: 'reserved', + 16: 'Not Supported', + 17: 'Get_Source_Cap_Extended', + 18: 'Get_Status', + 19: 'FR_Swap', + 20: 'Get_PPS_Status', + 21: 'Get_Country_Codes', } # Data message type @@ -54,6 +61,9 @@ DATA_TYPES = { 2: 'REQUEST', 3: 'BIST', 4: 'SINK CAP', + 5: 'Battery_Status', + 6: 'Alert', + 7: 'Get_Country_Info', 15: 'VDM' } @@ -148,20 +158,13 @@ SYM_NAME = [ ] RDO_FLAGS = { + (1 << 23): 'unchunked', (1 << 24): 'no_suspend', (1 << 25): 'comm_cap', (1 << 26): 'cap_mismatch', (1 << 27): 'give_back' } -PDO_FLAGS = { - (1 << 29): 'dual_role_power', - (1 << 28): 'suspend', - (1 << 27): 'ext', - (1 << 26): 'comm_cap', - (1 << 25): 'dual_role_data' -} - BIST_MODES = { 0: 'Receiver', 1: 'Transmit', @@ -242,43 +245,90 @@ class Decoder(srd.Decoder): def get_request(self, rdo): pos = (rdo >> 28) & 7 + op_ma = ((rdo >> 10) & 0x3ff) * 0.01 max_ma = (rdo & 0x3ff) * 0.01 - flags = '' + + mark = self.cap_mark[pos] + if mark == 3: + op_v = ((rdo >> 9) & 0x7ff) * 0.02 + op_a = (rdo & 0x3f) * 0.05 + t_settings = '%gV %gA' % (op_v, op_a) + elif mark == 2: + op_w = ((rdo >> 10) & 0x3ff) * 0.25 + mp_w = (rdo & 0x3ff) * 0.25 + t_settings = '%gW (operating) / %gW (max)' % (op_w, max_w) + else: + op_a = ((rdo >> 10) & 0x3ff) * 0.01 + max_a = (rdo & 0x3ff) * 0.01 + t_settings = '%gA (operating) / %gA (max)' % (op_a, max_a) + + t_flags = '' for f in sorted(RDO_FLAGS.keys(), reverse = True): if rdo & f: - flags += ' [' + RDO_FLAGS[f] + ']' + t_flags += ' [' + RDO_FLAGS[f] + ']' + if pos in self.stored_pdos.keys(): - return '(PDO #%d: %s) %gA (operating) / %gA (max)%s' % (pos, self.stored_pdos[pos], op_ma, max_ma, flags) + t_pdo = '#%d: %s' % (pos, self.stored_pdos[pos]) else: - return '(PDO #%d) %gA (operating) / %gA (max)%s' % (pos, op_ma, max_ma, flags) + t_pdo = '#d' % (pos) - def get_source_sink_cap(self, pdo, idx): + return '(PDO %s) %s%s' % (t_pdo, t_settings, t_flags) + + def get_source_sink_cap(self, pdo, idx, source): t1 = (pdo >> 30) & 3 + self.cap_mark[idx] = t1 + + flags = {} if t1 == 0: t_name = 'Fixed' + if source: + flags = { + (1 << 29): 'dual_role_power', + (1 << 28): 'suspend', + (1 << 27): 'unconstrained', + (1 << 26): 'comm_cap', + (1 << 25): 'dual_role_data', + (1 << 24): 'unchunked', + } + else: #sink + flags = { + (1 << 29): 'dual_role_power', + (1 << 28): 'high_capability', + (1 << 27): 'unconstrained', + (1 << 26): 'comm_cap', + (1 << 25): 'dual_role_data', + (0b01 << 23): 'fr_swap default power', + (0b10 << 23): 'fr_swap 1.5 A', + (0b11 << 23): 'fr_swap 3.0 A', + } mv = ((pdo >> 10) & 0x3ff) * 0.05 - ma = ((pdo >> 0) & 0x3ff) * 0.01 + ma = ((pdo >> 0) & 0x3ff) * 0.01 p = '%gV %gA (%gW)' % (mv, ma, mv*ma) self.stored_pdos[idx] = '%s %gV' % (t_name, mv) elif t1 == 1: t_name = 'Battery' + flags = {} # No flags defined for Battery PDO in PD 3.0 spec minv = ((pdo >> 10) & 0x3ff) * 0.05 maxv = ((pdo >> 20) & 0x3ff) * 0.05 - mw = ((pdo >> 0) & 0x3ff) * 0.25 + mw = ((pdo >> 0) & 0x3ff) * 0.25 p = '%g/%gV %gW' % (minv, maxv, mw) self.stored_pdos[idx] = '%s %g/%gV' % (t_name, minv, maxv) elif t1 == 2: t_name = 'Variable' + flags = {} # No flags defined for Variable PDO in PD 3.0 spec minv = ((pdo >> 10) & 0x3ff) * 0.05 maxv = ((pdo >> 20) & 0x3ff) * 0.05 - ma = ((pdo >> 0) & 0x3ff) * 0.01 + ma = ((pdo >> 0) & 0x3ff) * 0.01 p = '%g/%gV %gA' % (minv, maxv, ma) self.stored_pdos[idx] = '%s %g/%gV' % (t_name, minv, maxv) elif t1 == 3: t2 = (pdo >> 28) & 3 if t2 == 0: t_name = 'Programmable|PPS' + flags = { + (1 << 29): 'power_limited', + } minv = ((pdo >> 8) & 0xff) * 0.1 maxv = ((pdo >> 17) & 0xff) * 0.1 ma = ((pdo >> 0) & 0xff) * 0.05 @@ -290,11 +340,11 @@ class Decoder(srd.Decoder): t_name = 'Reserved APDO: '+bin(t2) p = '[raw: %s]' % (bin(pdo)) self.stored_pdos[idx] = '%s %s' % (t_name, p) - flags = '' - for f in sorted(PDO_FLAGS.keys(), reverse = True): + t_flags = '' + for f in sorted(flags.keys(), reverse = True): if pdo & f: - flags += ' [' + PDO_FLAGS[f] + ']' - return '[%s] %s%s' % (t_name, p, flags) + t_flags += ' [' + flags[f] + ']' + return '[%s] %s%s' % (t_name, p, t_flags) def get_vdm(self, idx, data): if idx == 0: # VDM header @@ -332,7 +382,7 @@ class Decoder(srd.Decoder): if t == 2: txt += self.get_request(self.data[idx]) elif t == 1 or t == 4: - txt += self.get_source_sink_cap(self.data[idx], idx+1) + txt += self.get_source_sink_cap(self.data[idx], idx+1, t==1) elif t == 15: txt += self.get_vdm(idx, self.data[idx]) elif t == 3: @@ -351,7 +401,7 @@ class Decoder(srd.Decoder): else: shortm = DATA_TYPES[t] if t in DATA_TYPES else 'DAT???' - longm = '{:s}[{:d}]:{:s}'.format(role, self.head_id(), shortm) + longm = '(r{:d}) {:s}[{:d}]: {:s}'.format(self.head_rev(), role, self.head_id(), shortm) self.putx(0, -1, [ann_type, [longm, shortm]]) self.text += longm @@ -466,6 +516,7 @@ class Decoder(srd.Decoder): self.half_one = False self.start_one = 0 self.stored_pdos = {} + self.cap_mark = [0, 0, 0, 0, 0, 0, 0, 0] def metadata(self, key, value): if key == srd.SRD_CONF_SAMPLERATE: |