def main():
logfile = 'log.bin'
parser = argparse.ArgumentParser(
description="Utility for experimenting with GreatFET's ADC")
parser.add_argument('-s',
dest='serial',
metavar='<serialnumber>',
type=str,
help="Serial number of device, if multiple devices",
default=None)
parser.add_argument('-f',
dest='filename',
metavar='<filename>',
type=str,
help="Write data to file",
default=logfile)
parser.add_argument('-v',
dest='verbose',
action='store_true',
help="Write data from file")
parser.add_argument('-a',
dest='adc',
action='store_true',
help="Use internal ADC")
args = parser.parse_args()
log_function = log_verbose if args.verbose else log_silent
try:
log_function("Trying to find a GreatFET device...")
device = GreatFET(serial_number=args.serial)
log_function("{} found. (Serial number: {})".format(
device.board_name(), device.serial_number()))
except greatfet.errors.DeviceNotFoundError:
if args.serial:
print("No GreatFET board found matching serial '{}'.".format(
args.serial),
file=sys.stderr)
else:
print("No GreatFET board found!", file=sys.stderr)
sys.exit(errno.ENODEV)
if args.adc:
device.vendor_request_out(vendor_requests.ADC_INIT)
#else:
# device.vendor_request_out(vendor_requests.SDIR_RX_START)
while True:
data = device.vendor_request_in(vendor_requests.ADC_READ, length=2)
print('%d' % (data[1] << 8 | data[0]))
time.sleep(1)
if not args.adc:
device.vendor_request_out(vendor_requests.SDIR_RX_STOP)
def main():
# Set up a simple argument parser.
parser = argparse.ArgumentParser(
description="Periodically print temperature from DS18B20 sensor")
parser.add_argument('-S', dest='s20', action='store_true', help='DS18S20')
parser.add_argument('-s',
dest='serial',
metavar='<serialnumber>',
type=str,
help="Serial number of device, if multiple devices",
default=None)
parser.add_argument('-v',
dest='verbose',
action='store_true',
help="Write data from file")
args = parser.parse_args()
log_function = log_verbose if args.verbose else log_silent
try:
log_function("Trying to find a GreatFET device...")
device = GreatFET(serial_number=args.serial)
log_function("{} found. (Serial number: {})".format(
device.board_name(), device.serial_number()))
except greatfet.errors.DeviceNotFoundError:
if args.serial:
print("No GreatFET board found matching serial '{}'.".format(
args.serial),
file=sys.stderr)
else:
print("No GreatFET board found!", file=sys.stderr)
sys.exit(errno.ENODEV)
while True:
data = device.vendor_request_in(vendor_requests.DS18B20_READ,
length=2,
timeout=2000)
# temperature data is 16 bit signed
temp = struct.unpack('<h', data)[0]
if args.s20:
temp /= 2.0
else:
temp /= 16.0
print(time.strftime("%H:%M:%S"), temp,
'{:.01f}'.format(temp * 9 / 5 + 32))
time.sleep(1)
def main():
# Set up a simple argument parser.
parser = argparse.ArgumentParser(description="Utility for flashing the GreatFET's onboard SPI flash")
parser.add_argument('-s', dest='serial', metavar='<serialnumber>', type=str,
help="Serial number of device, if multiple devices", default=None)
parser.add_argument('-v', dest='verbose', action='store_true', help="Write data from file")
args = parser.parse_args()
log_function = log_verbose if args.verbose else log_silent
try:
log_function("Trying to find a GreatFET device...")
device = GreatFET(serial_number=args.serial)
log_function("{} found. (Serial number: {})".format(device.board_name(), device.serial_number()))
except greatfet.errors.DeviceNotFoundError:
if args.serial:
print("No GreatFET board found matching serial '{}'.".format(args.serial), file=sys.stderr)
else:
print("No GreatFET board found!", file=sys.stderr)
sys.exit(errno.ENODEV)
print(device.vendor_request_in(vendor_requests.MSP430_JTAG, length=1))
