]
options = {}
annotations = [
- ['Text', 'Human-readable text'],
+ ['warnings', 'Warnings'],
+ ['start', 'Start'],
+ ['cycle_type', 'Cycle-type/direction'],
+ ['addr', 'Address'],
+ ['tar1', 'Turn-around cycle 1'],
+ ['sync', 'Sync'],
+ ['data', 'Data'],
+ ['tar2', 'Turn-around cycle 2'],
]
def __init__(self, **kwargs):
# multiple clocks, and we output all START fields that occur, even
# though the peripherals are supposed to ignore all but the last one.
s = fields['START'][lad]
- self.putb([0, [s]])
+ self.putb([1, [s]])
# Output a warning if LAD[3:0] changes while LFRAME# is low.
# TODO
if (self.lad != -1 and self.lad != lad):
- self.putb([0, ['Warning: LAD[3:0] changed while '
- 'LFRAME# was asserted']])
+ self.putb([0, ['LAD[3:0] changed while LFRAME# was asserted']])
# LFRAME# is asserted (low). Wait until it gets de-asserted again
# (the host is allowed to keep it asserted multiple clocks).
# TODO: Warning/error on invalid cycle types.
if self.cycle_type == 'Reserved':
- self.putb([0, ['Warning: Invalid cycle type (%s)' % lad_bits]])
+ self.putb([0, ['Invalid cycle type (%s)' % lad_bits]])
# ...
- self.putb([0, ['Cycle type: %s' % self.cycle_type]])
+ self.putb([2, ['Cycle type: %s' % self.cycle_type]])
self.state = 'GET ADDR'
self.addr = 0
return
s = 'Address: 0x%%0%dx' % addr_nibbles
- self.putb([0, [s % self.addr]])
+ self.putb([3, [s % self.addr]])
self.state = 'GET TAR'
self.tar_count = 0
def handle_get_tar(self, lad, lad_bits):
# LAD[3:0]: First TAR (turn-around) field (2 clock cycles).
- self.putb([0, ['TAR, cycle %d: %s' % (self.tarcount, lad_bits)]])
+ self.putb([4, ['TAR, cycle %d: %s' % (self.tarcount, lad_bits)]])
# On the first TAR clock cycle LAD[3:0] is driven to 1111 by
# either the host or peripheral. On the second clock cycle,
# the host or peripheral tri-states LAD[3:0], but its value
# should still be 1111, due to pull-ups on the LAD lines.
if lad_bits != '1111':
- self.putb([0, ['Warning: TAR, cycle %d: %s (expected 1111)' % \
+ self.putb([0, ['TAR, cycle %d: %s (expected 1111)' % \
(self.tarcount, lad_bits)]])
if (self.tarcount != 1):
# TODO: Warnings if reserved value are seen?
if self.cycle_type == 'Reserved':
- self.putb([0, ['Warning: SYNC, cycle %d: %s (reserved value)' % \
+ self.putb([0, ['SYNC, cycle %d: %s (reserved value)' % \
(self.synccount, self.sync_val)]])
- self.putb([0, ['SYNC, cycle %d: %s' % (self.synccount, self.sync_val)]])
+ self.putb([5, ['SYNC, cycle %d: %s' % (self.synccount, self.sync_val)]])
# TODO
self.cycle_count += 1
return
- self.putb([0, ['DATA: 0x%02x' % self.databyte]])
+ self.putb([6, ['DATA: 0x%02x' % self.databyte]])
self.cycle_count = 0
self.state = 'GET TAR2'
def handle_get_tar2(self, lad, lad_bits):
# LAD[3:0]: Second TAR field (2 clock cycles).
- self.putb([0, ['TAR, cycle %d: %s' % (self.tarcount, lad_bits)]])
+ self.putb([7, ['TAR, cycle %d: %s' % (self.tarcount, lad_bits)]])
# On the first TAR clock cycle LAD[3:0] is driven to 1111 by
# either the host or peripheral. On the second clock cycle,