# Read the JEDEC ID from the flash chip on the Lattice IceBlink40 board. This
# example demonstrates the usage of the bit-level I/O and SPI functions. The
# board has MISO=PB3, MOSI=PB2, SS=PB0, SCK=PB1, CRESET=PB6 & POWER=C2.
#
import fl
VID_PID = "1D50:602B:0001"
PROG_CONFIG = "B3B2B0B1"
handle = fl.FLHandle()
try:
fl.flInitialise(0)
# Connect, reset the board, open SPI interface & get SS port:
handle = fl.flOpen(VID_PID)
fl.flMultiBitPortAccess(handle, "B6-,C2-") # RESET low & cut the power
fl.flSleep(10)
fl.flSingleBitPortAccess(handle, 2, 2, fl.PIN_HIGH) # power on in RESET
fl.progOpen(handle, PROG_CONFIG)
(port, bit) = fl.progGetPort(handle, fl.LP_SS)
fl.flSingleBitPortAccess(handle, port, bit, fl.PIN_HIGH)
# Send JEDEC device-id command, retrieve three bytes back
fl.flSingleBitPortAccess(handle, port, bit, fl.PIN_LOW)
fl.spiSend(handle, b"\x9F", fl.SPI_MSBFIRST)
bs = fl.spiRecv(handle, 3, fl.SPI_MSBFIRST)
print("JEDEC ID: {}".format(
" ".join(["{:02X}".format(b) for b in bs])))
fl.flSingleBitPortAccess(handle, port, bit, fl.PIN_HIGH)
# Close SPI interface, release reset and close connection
conn = fl.FLHandle()
try:
fl.flInitialise(0)
if ( not fl.flIsDeviceAvailable(VID_PID) ):
print("Loading firmware...")
fl.flLoadStandardFirmware("04b4:8613", VID_PID)
print("Awaiting...")
fl.flAwaitDevice(VID_PID, 600)
conn = fl.flOpen(VID_PID)
fl.flSingleBitPortAccess(conn, 3, 7, fl.PIN_LOW)
print("flMultiBitPortAccess() returned {:032b}".format(
fl.flMultiBitPortAccess(conn, "D7+")))
fl.flSleep(100)
print("flGetFirmwareID(): {:04X}".format(fl.flGetFirmwareID(conn)))
print("flGetFirmwareVersion(): {:08X}".format(fl.flGetFirmwareVersion(conn)))
print("flIsNeroCapable(): {}".format(fl.flIsNeroCapable(conn)))
print("flIsCommCapable(): {}".format(fl.flIsCommCapable(conn, CONDUIT)))
fl.progOpen(conn, PROG_CONFIG)
print("progGetPort(): {")
(port, bit) = fl.progGetPort(conn, fl.LP_MISO)
print(" MISO: {:c}{}".format(ord('A')+port, bit))
(port, bit) = fl.progGetPort(conn, fl.LP_MOSI)
print(" MOSI: {:c}{}".format(ord('A')+port, bit))
(port, bit) = fl.progGetPort(conn, fl.LP_SS)
print(" SS: {:c}{}".format(ord('A')+port, bit))
# Read the JEDEC ID from the flash chip on the Lattice IceBlink40 board. This
# example demonstrates the usage of the bit-level I/O and SPI functions. The
# board has MISO=PB3, MOSI=PB2, SS=PB0, SCK=PB1, CRESET=PB6 & POWER=C2.
#
import fl
VID_PID = "1D50:602B:0001"
PROG_CONFIG = "B3B2B0B1"
handle = fl.FLHandle()
try:
fl.flInitialise(0)
# Connect, reset the board, open SPI interface & get SS port:
handle = fl.flOpen(VID_PID)
fl.flMultiBitPortAccess(handle, "B6-,C2-") # RESET low & cut the power
fl.flSleep(10)
fl.flSingleBitPortAccess(handle, 2, 2, fl.PIN_HIGH) # power on in RESET
fl.progOpen(handle, PROG_CONFIG)
(port, bit) = fl.progGetPort(handle, fl.LP_SS)
fl.flSingleBitPortAccess(handle, port, bit, fl.PIN_HIGH)
# Send JEDEC device-id command, retrieve three bytes back
fl.flSingleBitPortAccess(handle, port, bit, fl.PIN_LOW)
fl.spiSend(handle, b"\x9F", fl.SPI_MSBFIRST)
bs = fl.spiRecv(handle, 3, fl.SPI_MSBFIRST)
print("JEDEC ID: {}".format(" ".join(["{:02X}".format(b) for b in bs])))
fl.flSingleBitPortAccess(handle, port, bit, fl.PIN_HIGH)
# Close SPI interface, release reset and close connection
fl.progClose(handle)
ivp = argList.i[0]
print("Loading firmware into {}...".format(ivp))
fl.flLoadStandardFirmware(ivp, vp)
print("Awaiting renumeration...")
if not fl.flAwaitDevice(vp, 600):
raise fl.FLException("FPGALink device did not renumerate properly as {}".format(vp))
print("Attempting to open connection to FPGALink device {} again...".format(vp))
handle = fl.flOpen(vp)
else:
raise fl.FLException("Could not open FPGALink device at {} and no initial VID:PID was supplied".format(vp))
if argList.d:
print("Configuring ports...")
rb = "{:0{}b}".format(fl.flMultiBitPortAccess(handle, argList.d[0]), 32)
print(
"Readback: 28 24 20 16 12 8 4 0\n {} {} {} {} {} {} {} {}".format(
rb[0:4], rb[4:8], rb[8:12], rb[12:16], rb[16:20], rb[20:24], rb[24:28], rb[28:32]
)
)
fl.flSleep(100)
conduit = 1
if argList.c:
conduit = int(argList.c[0])
isNeroCapable = fl.flIsNeroCapable(handle)
isCommCapable = fl.flIsCommCapable(handle, conduit)
fl.flSelectConduit(handle, conduit)
ivp = argList.i[0]
print("Loading firmware into {}...".format(ivp))
fl.flLoadStandardFirmware(ivp, vp);
print("Awaiting renumeration...")
if ( not fl.flAwaitDevice(vp, 600) ):
raise fl.FLException("FPGALink device did not renumerate properly as {}".format(vp))
print("Attempting to open connection to FPGALink device {} again...".format(vp))
handle = fl.flOpen(vp)
else:
raise fl.FLException("Could not open FPGALink device at {} and no initial VID:PID was supplied".format(vp))
if ( argList.d ):
print("Configuring ports...")
rb = "{:0{}b}".format(fl.flMultiBitPortAccess(handle, argList.d[0]), 32)
print("Readback: 28 24 20 16 12 8 4 0\n {} {} {} {} {} {} {} {}".format(
rb[0:4], rb[4:8], rb[8:12], rb[12:16], rb[16:20], rb[20:24], rb[24:28], rb[28:32]))
fl.flSleep(100)
conduit = 1
if ( argList.c ):
conduit = int(argList.c[0])
isNeroCapable = fl.flIsNeroCapable(handle)
isCommCapable = fl.flIsCommCapable(handle, conduit)
fl.flSelectConduit(handle, conduit)
if ( argList.q ):
if ( isNeroCapable ):
chain = fl.jtagScanChain(handle, argList.q[0])
