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Preliminaly ESP32 support for RNodeInterface

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This commit is contained in:
Mark Qvist 2022-01-11 03:07:03 +01:00
parent 5396b80e80
commit 5ae00264e8
1 changed files with 54 additions and 1 deletions
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55
RNS/Interfaces/RNodeInterface.py
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@ -30,8 +30,11 @@ class KISS():
CMD_STAT_SNR = 0x24
CMD_BLINK = 0x30
CMD_RANDOM = 0x40
CMD_PLATFORM = 0x48
CMD_MCU = 0x49
CMD_FW_VERSION = 0x50
CMD_ROM_READ = 0x51
CMD_RESET = 0x55
DETECT_REQ = 0x73
DETECT_RESP = 0x46
@ -45,6 +48,9 @@ class KISS():
ERROR_TXFAILED = 0x02
ERROR_EEPROM_LOCKED = 0x03
PLATFORM_AVR = 0x90
PLATFORM_ESP32 = 0x80
@staticmethod
def escape(data):
data = data.replace(bytes([0xdb]), bytes([0xdb, 0xdd]))
@ -101,6 +107,9 @@ class RNodeInterface(Interface):
self.cr = cr
self.state = KISS.RADIO_STATE_OFF
self.bitrate = 0
self.platform = None
self.mcu = None
self.detected = False
self.last_id = 0
self.first_tx = None
@ -190,6 +199,17 @@ class RNodeInterface(Interface):
thread = threading.Thread(target=self.readLoop)
thread.setDaemon(True)
thread.start()
self.detect()
sleep(0.1)
if not self.detected:
raise IOError("Could not detect device")
else:
if self.platform == KISS.PLATFORM_ESP32:
RNS.log("Resetting ESP32-based device before configuration...", RNS.LOG_VERBOSE)
self.hard_reset()
self.online = True
RNS.log("Serial port "+self.port+" is now open")
RNS.log("Configuring RNode interface...", RNS.LOG_VERBOSE)
@ -214,6 +234,19 @@ class RNodeInterface(Interface):
self.setCodingRate()
self.setRadioState(KISS.RADIO_STATE_ON)
def detect(self):
kiss_command = bytes([KISS.FEND, KISS.CMD_DETECT, KISS.DETECT_REQ, KISS.FEND, KISS.CMD_FW_VERSION, 0x00, KISS.FEND, KISS.CMD_PLATFORM, 0x00, KISS.FEND, KISS.CMD_MCU, 0x00, KISS.FEND])
written = self.serial.write(kiss_command)
if written != len(kiss_command):
raise IOError("An IO error occurred while detecting hardware for "+self(str))
def hard_reset(self):
kiss_command = bytes([KISS.FEND, KISS.CMD_RESET, 0xf8, KISS.FEND])
written = self.serial.write(kiss_command)
if written != len(kiss_command):
raise IOError("An IO error occurred while restarting device")
sleep(2);
def setFrequency(self):
c1 = self.frequency >> 24
c2 = self.frequency >> 16 & 0xFF
@ -420,6 +453,11 @@ class RNodeInterface(Interface):
self.updateBitrate()
elif (command == KISS.CMD_RADIO_STATE):
self.r_state = byte
# if self.r_state:
# RNS.log(str(self)+" Radio reporting state is online ("+RNS.hexrep([self.r_state])+")", RNS.LOG_DEBUG)
# else:
# RNS.log(str(self)+" Radio reporting state is offline ("+RNS.hexrep([self.r_state])+")", RNS.LOG_DEBUG)
elif (command == KISS.CMD_RADIO_LOCK):
self.r_lock = byte
elif (command == KISS.CMD_STAT_RX):
@ -456,6 +494,10 @@ class RNodeInterface(Interface):
self.r_stat_snr = int.from_bytes(bytes([byte]), byteorder="big", signed=True) * 0.25
elif (command == KISS.CMD_RANDOM):
self.r_random = byte
elif (command == KISS.CMD_PLATFORM):
self.platform = byte
elif (command == KISS.CMD_MCU):
self.mcu = byte
elif (command == KISS.CMD_ERROR):
if (byte == KISS.ERROR_INITRADIO):
RNS.log(str(self)+" hardware initialisation error (code "+RNS.hexrep(byte)+")", RNS.LOG_ERROR)
@ -463,8 +505,19 @@ 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_RESET):
if (byte == 0xF8):
if self.platform == KISS.PLATFORM_ESP32:
if self.online:
RNS.log("Detected reset while device was online, reinitialising device...", RNS.LOG_ERROR)
raise IOError("ESP32 reset")
elif (command == KISS.CMD_READY):
self.process_queue()
elif (command == KISS.CMD_DETECT):
if byte == KISS.DETECT_RESP:
self.detected = True
else:
self.detected = False
else:
time_since_last = int(time.time()*1000) - last_read_ms
@ -500,7 +553,7 @@ class RNodeInterface(Interface):
def reconnect_port(self):
while not self.online:
try:
time.sleep(5)
time.sleep(3.5)
RNS.log("Attempting to reconnect serial port "+str(self.port)+" for "+str(self)+"...", RNS.LOG_VERBOSE)
self.open_port()
if self.serial.is_open: