mirror of
https://github.com/markqvist/Reticulum.git
synced 2024-11-05 05:40:14 +00:00
Added flow contorl for RNode interface
This commit is contained in:
parent
ce270f4615
commit
f02715bced
@ -22,6 +22,7 @@ class KISS():
|
||||
CMD_SF = chr(0x04)
|
||||
CMD_RADIO_STATE = chr(0x05)
|
||||
CMD_RADIO_LOCK = chr(0x06)
|
||||
CMD_READY = chr(0x0F)
|
||||
CMD_STAT_RX = chr(0x21)
|
||||
CMD_STAT_TX = chr(0x22)
|
||||
CMD_STAT_RSSI = chr(0x23)
|
||||
@ -57,7 +58,7 @@ class RNodeInterface(Interface):
|
||||
FREQ_MIN = 137000000
|
||||
FREQ_MAX = 1020000000
|
||||
|
||||
def __init__(self, owner, name, port, frequency = None, bandwidth = None, txpower = None, sf = None):
|
||||
def __init__(self, owner, name, port, frequency = None, bandwidth = None, txpower = None, sf = None, flow_control = True):
|
||||
self.serial = None
|
||||
self.owner = owner
|
||||
self.name = name
|
||||
@ -88,6 +89,10 @@ class RNodeInterface(Interface):
|
||||
self.r_stat_rssi = None
|
||||
self.r_random = None
|
||||
|
||||
self.packet_queue = []
|
||||
self.flow_control = flow_control
|
||||
self.interface_ready = False
|
||||
|
||||
self.validcfg = True
|
||||
if (self.frequency < RNodeInterface.FREQ_MIN or self.frequency > RNodeInterface.FREQ_MAX):
|
||||
RNS.log("Invalid frequency configured for "+str(self), RNS.LOG_ERROR)
|
||||
@ -137,6 +142,7 @@ class RNodeInterface(Interface):
|
||||
RNS.log("Configuring RNode interface...", RNS.LOG_VERBOSE)
|
||||
self.initRadio()
|
||||
if (self.validateRadioState()):
|
||||
self.interface_ready = True
|
||||
RNS.log(str(self)+" is configured and powered up")
|
||||
else:
|
||||
RNS.log("After configuring "+str(self)+", the actual radio parameters did not match your configuration.", RNS.LOG_ERROR)
|
||||
@ -235,12 +241,28 @@ class RNodeInterface(Interface):
|
||||
|
||||
def processOutgoing(self,data):
|
||||
if self.online:
|
||||
data = KISS.escape(data)
|
||||
frame = chr(0xc0)+chr(0x00)+data+chr(0xc0)
|
||||
written = self.serial.write(frame)
|
||||
if written != len(frame):
|
||||
raise IOError("Serial interface only wrote "+str(written)+" bytes of "+str(len(data)))
|
||||
if self.interface_ready:
|
||||
if self.flow_control:
|
||||
self.interface_ready = False
|
||||
|
||||
data = KISS.escape(data)
|
||||
frame = chr(0xc0)+chr(0x00)+data+chr(0xc0)
|
||||
written = self.serial.write(frame)
|
||||
if written != len(frame):
|
||||
raise IOError("Serial interface only wrote "+str(written)+" bytes of "+str(len(data)))
|
||||
else:
|
||||
self.queue(data)
|
||||
|
||||
def queue(self, data):
|
||||
self.packet_queue.append(data)
|
||||
|
||||
def process_queue(self):
|
||||
if len(self.packet_queue) > 0:
|
||||
data = self.packet_queue.pop(0)
|
||||
self.interface_ready = True
|
||||
self.processOutgoing(data)
|
||||
elif len(self.packet_queue) == 0:
|
||||
self.interface_ready = True
|
||||
|
||||
def readLoop(self):
|
||||
try:
|
||||
@ -266,9 +288,6 @@ class RNodeInterface(Interface):
|
||||
command_buffer = ""
|
||||
elif (in_frame and len(data_buffer) < RNS.Reticulum.MTU):
|
||||
if (len(data_buffer) == 0 and command == KISS.CMD_UNKNOWN):
|
||||
# We only support one HDLC port for now, so
|
||||
# strip off port nibble
|
||||
byte = chr(ord(byte) & 0x0F)
|
||||
command = byte
|
||||
elif (command == KISS.CMD_DATA):
|
||||
if (byte == KISS.FESC):
|
||||
@ -363,6 +382,10 @@ class RNodeInterface(Interface):
|
||||
RNS.log(str(self)+" hardware TX error (code "+RNS.hexrep(byte)+")", RNS.LOG_ERROR)
|
||||
else:
|
||||
RNS.log(str(self)+" hardware error (code "+RNS.hexrep(byte)+")", RNS.LOG_ERROR)
|
||||
elif (command == KISS.CMD_READY):
|
||||
# TODO: add timeout and reset if ready
|
||||
# command never arrives
|
||||
self.process_queue()
|
||||
|
||||
else:
|
||||
time_since_last = int(time.time()*1000) - last_read_ms
|
||||
|
Loading…
Reference in New Issue
Block a user