def read_register_and_xml(self, settingsfile, xmlfile):
if xmlfile is not None:
try:
with open(xmlfile) as infile:
xml = infile.read()
except IOError:
print("can't read {}".format(xmlfile))
sys.exit(1)
else:
xml = self.dsptk.generic_request(COMMAND_XML,
COMMAND_XML_RESPONSE).decode()
if xml is None or len(xml) == 0:
print("server did not provide XML file")
sys.exit(1)
xmlprofile = XmlProfile()
try:
xmlprofile.read_from_text(xml)
except:
print("can't parse XML profile")
sys.exit(1)
try:
registerfile = SettingsFile(settingsfile, xmlprofile.samplerate())
except:
print("can't parse settings file")
sys.exit(1)
return (registerfile, xmlprofile)
def store_attributes(self, attributes):
'''
Store specific attributes from RAM into DSP EEPROM
'''
xml = self.dsptk.generic_request(COMMAND_XML, COMMAND_XML_RESPONSE)
if len(xml) == 0:
print("can't retrieve XML file from server")
sys.exit(1)
xmlprofile = XmlProfile()
xmlprofile.read_from_text(xml.decode("utf-8", errors="replace"))
replace = {}
for attribute in attributes:
(addr, length) = xmlprofile.get_addr_length(attribute)
if addr is None:
continue
while length > 0:
data = self.dsptk.sigmatcp.read_data(
addr, self.dsptk.dsp.WORD_LENGTH)
replace[addr] = data
addr += 1
length -= 1
xmlprofile.replace_eeprom_cells(replace)
xmlprofile.replace_ram_cells(replace)
self.write_back_xml(xmlprofile)
def read_xml_profile():
SigmaTCPHandler.xml = XmlProfile(SigmaTCPHandler.dspprogramfile)
cs = SigmaTCPHandler.xml.get_meta("checksum")
logging.debug("checksum from XML: %s", cs)
SigmaTCPHandler.checksum_xml = None
if cs is not None:
SigmaTCPHandler.checksum_xml = bytearray()
for i in range(0, len(cs), 2):
octet = int(cs[i:i + 2], 16)
SigmaTCPHandler.checksum_xml.append(octet)
checksum_mem = SigmaTCPHandler.program_checksum()
checksum_xml = SigmaTCPHandler.checksum_xml
logging.info("checksum memory: %s, xmlfile: %s", checksum_mem,
checksum_xml)
if (checksum_xml is not None) and (checksum_xml != 0):
if (checksum_xml != checksum_mem):
logging.error("checksums do not match, aborting")
SigmaTCPHandler.checksum_error = True
return
else:
logging.info("DSP profile doesn't have a checksum, "
"might be different from the program running now")
SigmaTCPHandler.checksum_error = False
def demo():
xml = XmlProfile("sample_files/xml/4way-iir.xml")
xml.write_xml("/tmp/x.xml")
fs = xml.samplerate()
rf = SettingsFile("sample_files/simple-settings.txt", fs)
print(rf.values)
rf.update_xml_profile(xml)
print("writing y.xml")
xml.write_xml("/tmp/y.xml")
rf = SettingsFile("sample_files/settings.txt", fs)
print(rf.values)
rf.update_xml_profile(xml)
print("writing z.xml")
xml.write_xml("/tmp/z.xml")
def store_attributes(self, attributes=None):
'''
Store specific attributes from RAM into DSP EEPROM
'''
xml = self.dsptk.generic_request(COMMAND_XML,
COMMAND_XML_RESPONSE)
if len(xml) == 0:
print("can't retrieve XML file from server")
sys.exit(1)
xmlprofile = XmlProfile()
xmlprofile.read_from_text(xml.decode("utf-8", errors="replace"))
replace = {}
if attributes is None:
print("checking attribute tags from XML profile")
attributes = xmlprofile.get_storable_registers()
if len(attributes) == 0:
print("no storable attributes found in XML, using default set")
attributes = REGISTER_ATTRIBUTES
for attribute in attributes:
(addr, length) = xmlprofile.get_addr_length(attribute)
if addr is None:
continue
while length > 0:
data = self.dsptk.sigmatcp.read_data(addr,
self.dsptk.dsp.WORD_LENGTH)
replace[addr] = data
addr += 1
length -= 1
print("storing {}".format(attribute))
xmlprofile.replace_eeprom_cells(replace)
xmlprofile.replace_ram_cells(replace)
self.write_back_xml(xmlprofile)
def merge_params_into_xml(self, xmlfile):
"""
Add the metadata into a XML DSP project file.
"""
xml = XmlProfile(xmlfile)
param_list = self.param_list()
xml.update_metadata(param_list)
xml.write_xml(xmlfile)
return param_list
def merge_params_into_xml(self, xmlfile):
xml = XmlProfile(xmlfile)
param_list = self.param_list()
xml.update_metadata(param_list)
xml.write_xml(xmlfile)
return param_list
