desc = 'Macronix MX25Lxx05D SPI flash chip decoder'
longdesc = 'TODO'
license = 'gplv2+'
- inputs = ['spi', 'spi', 'logic']
+ inputs = ['spi', 'logic']
outputs = ['mx25lxx05d']
- probes = [] # TODO: HOLD#, WP#/ACC
+ probes = []
+ extra_probes = [
+ {'id': 'hold', 'name': 'HOLD#', 'desc': 'TODO.'},
+ {'id': 'wp_acc', 'name': 'WP#/ACC', 'desc': 'TODO.'},
+ ]
options = {} # TODO
annotations = [
['TODO', 'TODO'],
def report(self):
pass
- def putann(self, data):
+ def putx(self, data):
# Simplification, most annotations span extactly one SPI byte/packet.
self.put(self.ss, self.es, self.out_ann, data)
def handle_wren(self, mosi, miso):
- self.putann([0, ['Command: %s' % cmds[self.cmd]]])
+ self.putx([0, ['Command: %s' % cmds[self.cmd]]])
self.state = IDLE
# TODO: Check/display device ID / name
if self.cmdstate == 1:
# Byte 1: Master sends command ID.
self.start_sample = self.ss
- self.putann([0, ['Command: %s' % cmds[self.cmd]]])
+ self.putx([0, ['Command: %s' % cmds[self.cmd]]])
elif self.cmdstate == 2:
# Byte 2: Slave sends the JEDEC manufacturer ID.
- self.putann([0, ['Manufacturer ID: 0x%02x' % miso]])
+ self.putx([0, ['Manufacturer ID: 0x%02x' % miso]])
elif self.cmdstate == 3:
# Byte 3: Slave sends the memory type (0x20 for this chip).
- self.putann([0, ['Memory type: 0x%02x' % miso]])
+ self.putx([0, ['Memory type: 0x%02x' % miso]])
elif self.cmdstate == 4:
# Byte 4: Slave sends the device ID.
self.device_id = miso
- self.putann([0, ['Device ID: 0x%02x' % miso]])
+ self.putx([0, ['Device ID: 0x%02x' % miso]])
if self.cmdstate == 4:
# TODO: Check self.device_id is valid & exists in device_names.
# Byte 1: Master sends command ID.
self.addr = 0
self.start_sample = self.ss
- self.putann([0, ['Command: %s' % cmds[self.cmd]]])
+ self.putx([0, ['Command: %s' % cmds[self.cmd]]])
elif self.cmdstate in (2, 3, 4):
# Bytes 2/3/4: Master sends address of the sector to erase.
# Note: Assumes SPI data is 8 bits wide (it is for MX25Lxx05D).
# TODO: LSB-first of MSB-first?
self.addr <<= 8
self.addr |= mosi
- self.putann([0, ['Address byte %d: 0x%02x' % (self.cmdstate - 1,
+ self.putx([0, ['Address byte %d: 0x%02x' % (self.cmdstate - 1,
miso)]]) # TODO: Count from 0 or 1?
if self.cmdstate == 4:
if self.cmdstate == 1:
# Byte 1: Master sends command ID.
self.start_sample = self.ss
- self.putann([0, ['Command: %s' % cmds[self.cmd]]])
+ self.putx([0, ['Command: %s' % cmds[self.cmd]]])
elif self.cmdstate in (2, 3):
# Bytes 2/3: Master sends two dummy bytes.
# TODO: Check dummy bytes? Check reply from device?
- self.putann([0, ['Dummy byte: %s' % mosi]])
+ self.putx([0, ['Dummy byte: %s' % mosi]])
elif self.cmdstate == 4:
# Byte 4: Master sends 0x00 or 0x01.
# 0x00: Master wants manufacturer ID as first reply byte.
# 0x01: Master wants device ID as first reply byte.
self.manufacturer_id_first = True if (mosi == 0x00) else False
d = 'manufacturer' if (mosi == 0x00) else 'device'
- self.putann([0, ['Master wants %s ID first' % d]])
+ self.putx([0, ['Master wants %s ID first' % d]])
elif self.cmdstate == 5:
# Byte 5: Slave sends manufacturer ID (or device ID).
self.ids = [miso]
d = 'Manufacturer' if self.manufacturer_id_first else 'Device'
- self.putann([0, ['%s ID' % d]])
+ self.putx([0, ['%s ID' % d]])
elif self.cmdstate == 6:
# Byte 6: Slave sends device ID (or manufacturer ID).
self.ids += [miso]
d = 'Manufacturer' if self.manufacturer_id_first else 'Device'
- self.putann([0, ['%s ID' % d]])
+ self.putx([0, ['%s ID' % d]])
else:
# TODO: Error?
pass
if self.cmdstate == 6:
self.end_sample = self.es
id = self.ids[1] if self.manufacturer_id_first else self.ids[0]
- self.putann([0, ['Device: Macronix %s' % device_name[id]]])
+ self.putx([0, ['Device: Macronix %s' % device_name[id]]])
self.state = IDLE
else:
self.cmdstate += 1
def handle_rdsr(self, mosi, miso):
- self.putann([0, ['Command: %s (0x%02x)' % (cmds[self.cmd], miso)]])
+ self.putx([0, ['Command: %s (0x%02x)' % (cmds[self.cmd], miso)]])
self.state = IDLE
def decode(self, ss, es, data):