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-rw-r--r--decoders/mx25lxx05d/mx25lxx05d.py201
1 files changed, 126 insertions, 75 deletions
diff --git a/decoders/mx25lxx05d/mx25lxx05d.py b/decoders/mx25lxx05d/mx25lxx05d.py
index be86d2f..b979f68 100644
--- a/decoders/mx25lxx05d/mx25lxx05d.py
+++ b/decoders/mx25lxx05d/mx25lxx05d.py
@@ -123,6 +123,9 @@ class Decoder(srd.Decoder):
self.putx([0, ['Command: %s' % cmds[self.state][1]]])
self.state = None
+ def handle_wrdi(self, mosi, miso):
+ pass # TODO
+
# TODO: Check/display device ID / name
def handle_rdid(self, mosi, miso):
if self.cmdstate == 1:
@@ -149,6 +152,66 @@ class Decoder(srd.Decoder):
else:
self.cmdstate += 1
+ def handle_rdsr(self, mosi, miso):
+ # Read status register: Master asserts CS#, sends RDSR command,
+ # reads status register byte. If CS# is kept asserted, the status
+ # register can be read continuously / multiple times in a row.
+ # When done, the master de-asserts CS# again.
+ if self.cmdstate == 1:
+ # Byte 1: Master sends command ID.
+ self.putx([0, ['Command: %s' % cmds[self.state][1]]])
+ elif self.cmdstate >= 2:
+ # Bytes 2-x: Slave sends status register as long as master clocks.
+ if self.cmdstate <= 3: # TODO: While CS# asserted.
+ self.putx([0, ['Status register: 0x%02x' % miso]])
+ self.putx([0, [decode_status_reg(miso)]])
+
+ if self.cmdstate == 3: # TODO: If CS# got de-asserted.
+ self.state = None
+ return
+
+ self.cmdstate += 1
+
+ def handle_wrsr(self, mosi, miso):
+ pass # TODO
+
+ def handle_read(self, mosi, miso):
+ # Read data bytes: Master asserts CS#, sends READ command, sends
+ # 3-byte address, reads >= 1 data bytes, de-asserts CS#.
+ if self.cmdstate == 1:
+ # Byte 1: Master sends command ID.
+ self.putx([0, ['Command: %s' % cmds[self.state][1]]])
+ elif self.cmdstate in (2, 3, 4):
+ # Bytes 2/3/4: Master sends read address (24bits, MSB-first).
+ self.addr |= (mosi << ((4 - self.cmdstate) * 8))
+ # self.putx([0, ['Read address, byte %d: 0x%02x' % \
+ # (4 - self.cmdstate, mosi)]])
+ if self.cmdstate == 4:
+ self.putx([0, ['Read address: 0x%06x' % self.addr]])
+ self.addr = 0
+ elif self.cmdstate >= 5:
+ # Bytes 5-x: Master reads data bytes (until CS# de-asserted).
+ # TODO: For now we hardcode 256 bytes per READ command.
+ if self.cmdstate <= 256 + 4: # TODO: While CS# asserted.
+ self.data.append(miso)
+ # self.putx([0, ['New read byte: 0x%02x' % miso]])
+
+ if self.cmdstate == 256 + 4: # TODO: If CS# got de-asserted.
+ # s = ', '.join(map(hex, self.data))
+ s = ''.join(map(chr, self.data))
+ self.putx([0, ['Read data: %s' % s]])
+ self.data = []
+ self.state = None
+ return
+
+ self.cmdstate += 1
+
+ def handle_fast_read(self, mosi, miso):
+ pass # TODO
+
+ def handle_2read(self, mosi, miso):
+ pass # TODO
+
# TODO: Warn/abort if we don't see the necessary amount of bytes.
# TODO: Warn if WREN was not seen before.
def handle_se(self, mosi, miso):
@@ -175,6 +238,55 @@ class Decoder(srd.Decoder):
else:
self.cmdstate += 1
+ def handle_be(self, mosi, miso):
+ pass # TODO
+
+ def handle_ce(self, mosi, miso):
+ pass # TODO
+
+ def handle_ce2(self, mosi, miso):
+ pass # TODO
+
+ def handle_pp(self, mosi, miso):
+ # Page program: Master asserts CS#, sends PP command, sends 3-byte
+ # page address, sends >= 1 data bytes, de-asserts CS#.
+ if self.cmdstate == 1:
+ # Byte 1: Master sends command ID.
+ self.putx([0, ['Command: %s' % cmds[self.state][1]]])
+ elif self.cmdstate in (2, 3, 4):
+ # Bytes 2/3/4: Master sends page address (24bits, MSB-first).
+ self.addr |= (mosi << ((4 - self.cmdstate) * 8))
+ # self.putx([0, ['Page address, byte %d: 0x%02x' % \
+ # (4 - self.cmdstate, mosi)]])
+ if self.cmdstate == 4:
+ self.putx([0, ['Page address: 0x%06x' % self.addr]])
+ self.addr = 0
+ elif self.cmdstate >= 5:
+ # Bytes 5-x: Master sends data bytes (until CS# de-asserted).
+ # TODO: For now we hardcode 256 bytes per page / PP command.
+ if self.cmdstate <= 256 + 4: # TODO: While CS# asserted.
+ self.data.append(mosi)
+ # self.putx([0, ['New data byte: 0x%02x' % mosi]])
+
+ if self.cmdstate == 256 + 4: # TODO: If CS# got de-asserted.
+ # s = ', '.join(map(hex, self.data))
+ s = ''.join(map(chr, self.data))
+ self.putx([0, ['Page data: %s' % s]])
+ self.data = []
+ self.state = None
+ return
+
+ self.cmdstate += 1
+
+ def handle_cp(self, mosi, miso):
+ pass # TODO
+
+ def handle_dp(self, mosi, miso):
+ pass # TODO
+
+ def handle_rdp_res(self, mosi, miso):
+ pass # TODO
+
def handle_rems(self, mosi, miso):
if self.cmdstate == 1:
# Byte 1: Master sends command ID.
@@ -210,87 +322,26 @@ class Decoder(srd.Decoder):
else:
self.cmdstate += 1
- def handle_rdsr(self, mosi, miso):
- # Read status register: Master asserts CS#, sends RDSR command,
- # reads status register byte. If CS# is kept asserted, the status
- # register can be read continuously / multiple times in a row.
- # When done, the master de-asserts CS# again.
- if self.cmdstate == 1:
- # Byte 1: Master sends command ID.
- self.putx([0, ['Command: %s' % cmds[self.state][1]]])
- elif self.cmdstate >= 2:
- # Bytes 2-x: Slave sends status register as long as master clocks.
- if self.cmdstate <= 3: # TODO: While CS# asserted.
- self.putx([0, ['Status register: 0x%02x' % miso]])
- self.putx([0, [decode_status_reg(miso)]])
+ def handle_rems2(self, mosi, miso):
+ pass # TODO
- if self.cmdstate == 3: # TODO: If CS# got de-asserted.
- self.state = None
- return
+ def handle_enso(self, mosi, miso):
+ pass # TODO
- self.cmdstate += 1
+ def handle_exso(self, mosi, miso):
+ pass # TODO
- def handle_pp(self, mosi, miso):
- # Page program: Master asserts CS#, sends PP command, sends 3-byte
- # page address, sends >= 1 data bytes, de-asserts CS#.
- if self.cmdstate == 1:
- # Byte 1: Master sends command ID.
- self.putx([0, ['Command: %s' % cmds[self.state][1]]])
- elif self.cmdstate in (2, 3, 4):
- # Bytes 2/3/4: Master sends page address (24bits, MSB-first).
- self.addr |= (mosi << ((4 - self.cmdstate) * 8))
- # self.putx([0, ['Page address, byte %d: 0x%02x' % \
- # (4 - self.cmdstate, mosi)]])
- if self.cmdstate == 4:
- self.putx([0, ['Page address: 0x%06x' % self.addr]])
- self.addr = 0
- elif self.cmdstate >= 5:
- # Bytes 5-x: Master sends data bytes (until CS# de-asserted).
- # TODO: For now we hardcode 256 bytes per page / PP command.
- if self.cmdstate <= 256 + 4: # TODO: While CS# asserted.
- self.data.append(mosi)
- # self.putx([0, ['New data byte: 0x%02x' % mosi]])
+ def handle_rdscur(self, mosi, miso):
+ pass # TODO
- if self.cmdstate == 256 + 4: # TODO: If CS# got de-asserted.
- # s = ', '.join(map(hex, self.data))
- s = ''.join(map(chr, self.data))
- self.putx([0, ['Page data: %s' % s]])
- self.data = []
- self.state = None
- return
+ def handle_wrscur(self, mosi, miso):
+ pass # TODO
- self.cmdstate += 1
+ def handle_esry(self, mosi, miso):
+ pass # TODO
- def handle_read(self, mosi, miso):
- # Read data bytes: Master asserts CS#, sends READ command, sends
- # 3-byte address, reads >= 1 data bytes, de-asserts CS#.
- if self.cmdstate == 1:
- # Byte 1: Master sends command ID.
- self.putx([0, ['Command: %s' % cmds[self.state][1]]])
- elif self.cmdstate in (2, 3, 4):
- # Bytes 2/3/4: Master sends read address (24bits, MSB-first).
- self.addr |= (mosi << ((4 - self.cmdstate) * 8))
- # self.putx([0, ['Read address, byte %d: 0x%02x' % \
- # (4 - self.cmdstate, mosi)]])
- if self.cmdstate == 4:
- self.putx([0, ['Read address: 0x%06x' % self.addr]])
- self.addr = 0
- elif self.cmdstate >= 5:
- # Bytes 5-x: Master reads data bytes (until CS# de-asserted).
- # TODO: For now we hardcode 256 bytes per READ command.
- if self.cmdstate <= 256 + 4: # TODO: While CS# asserted.
- self.data.append(miso)
- # self.putx([0, ['New read byte: 0x%02x' % miso]])
-
- if self.cmdstate == 256 + 4: # TODO: If CS# got de-asserted.
- # s = ', '.join(map(hex, self.data))
- s = ''.join(map(chr, self.data))
- self.putx([0, ['Read data: %s' % s]])
- self.data = []
- self.state = None
- return
-
- self.cmdstate += 1
+ def handle_dsry(self, mosi, miso):
+ pass # TODO
def decode(self, ss, es, data):