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Added support for writing to display framebuffer of connected RNodes

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This commit is contained in:
Mark Qvist 2022-10-29 14:28:53 +02:00
parent b6020b5ea8
commit b0ef58e5ca
2 changed files with 101 additions and 12 deletions
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59
RNS/Interfaces/Android/RNodeInterface.py
View File

@ -51,6 +51,9 @@ class KISS():
CMD_STAT_SNR = 0x24
CMD_BLINK = 0x30
CMD_RANDOM = 0x40
CMD_FB_EXT = 0x41
CMD_FB_READ = 0x42
CMD_FB_WRITE = 0x43
CMD_PLATFORM = 0x48
CMD_MCU = 0x49
CMD_FW_VERSION = 0x50
@ -90,7 +93,7 @@ class RNodeInterface(Interface):
CALLSIGN_MAX_LEN = 32
REQUIRED_FW_VER_MAJ = 1
REQUIRED_FW_VER_MIN = 26
REQUIRED_FW_VER_MIN = 50
RECONNECT_WAIT = 5
@ -139,6 +142,7 @@ class RNodeInterface(Interface):
self.state = KISS.RADIO_STATE_OFF
self.bitrate = 0
self.platform = None
self.display = None
self.mcu = None
self.detected = False
self.firmware_ok = False
@ -288,11 +292,9 @@ class RNodeInterface(Interface):
if not self.detected:
raise IOError("Could not detect device")
# else:
# if self.platform == KISS.PLATFORM_ESP32:
# TODO: Consider reintroducing this
# RNS.log("Resetting ESP32-based device before configuration...", RNS.LOG_VERBOSE)
# self.hard_reset()
else:
if self.platform == KISS.PLATFORM_ESP32:
self.display = True
RNS.log("Serial port "+self.port+" is now open")
RNS.log("Configuring RNode interface...", RNS.LOG_VERBOSE)
@ -335,6 +337,45 @@ class RNodeInterface(Interface):
if written != len(kiss_command):
raise IOError("An IO error occurred while detecting hardware for "+self(str))
def enable_external_framebuffer(self):
if self.display != None:
kiss_command = bytes([KISS.FEND, KISS.CMD_FB_EXT, 0x01, KISS.FEND])
written = self.serial.write(kiss_command)
if written != len(kiss_command):
raise IOError("An IO error occurred while enabling external framebuffer on device")
def disable_external_framebuffer(self):
if self.display != None:
kiss_command = bytes([KISS.FEND, KISS.CMD_FB_EXT, 0x00, KISS.FEND])
written = self.serial.write(kiss_command)
if written != len(kiss_command):
raise IOError("An IO error occurred while disabling external framebuffer on device")
FB_PIXEL_WIDTH = 64
FB_BITS_PER_PIXEL = 1
FB_PIXELS_PER_BYTE = 8//FB_BITS_PER_PIXEL
FB_BYTES_PER_LINE = FB_PIXEL_WIDTH//FB_PIXELS_PER_BYTE
def display_image(self, imagedata):
if self.display != None:
lines = len(imagedata)//8
for line in range(lines):
line_start = line*RNodeInterface.FB_BYTES_PER_LINE
line_end = line_start+RNodeInterface.FB_BYTES_PER_LINE
line_data = bytes(imagedata[line_start:line_end])
self.write_framebuffer(line, line_data)
def write_framebuffer(self, line, line_data):
if self.display != None:
line_byte = line.to_bytes(1, byteorder="big", signed=False)
data = line_byte+line_data
escaped_data = KISS.escape(data)
kiss_command = bytes([KISS.FEND])+bytes([KISS.CMD_FB_WRITE])+escaped_data+bytes([KISS.FEND])
written = self.serial.write(kiss_command)
if written != len(kiss_command):
raise IOError("An IO error occurred while writing framebuffer data device")
def hard_reset(self):
kiss_command = bytes([KISS.FEND, KISS.CMD_RESET, 0xf8, KISS.FEND])
written = self.serial.write(kiss_command)
@ -404,7 +445,7 @@ class RNodeInterface(Interface):
RNS.log("The firmware version of the connected RNode is "+str(self.maj_version)+"."+str(self.min_version), RNS.LOG_ERROR)
RNS.log("This version of Reticulum requires at least version "+str(RNodeInterface.REQUIRED_FW_VER_MAJ)+"."+str(RNodeInterface.REQUIRED_FW_VER_MIN), RNS.LOG_ERROR)
RNS.log("Please update your RNode firmware with rnodeconf (https://github.com/markqvist/rnodeconfigutil/)")
RNS.log("Please update your RNode firmware with rnodeconf from https://github.com/markqvist/rnodeconfigutil/")
RNS.panic()
@ -707,6 +748,10 @@ class RNodeInterface(Interface):
RNS.log("Reconnected serial port for "+str(self))
def detach(self):
self.disable_external_framebuffer()
self.setRadioState(KISS.RADIO_STATE_OFF)
def __str__(self):
return "RNodeInterface["+str(self.name)+"]"

54
RNS/Interfaces/RNodeInterface.py
View File

@ -51,6 +51,9 @@ class KISS():
CMD_STAT_SNR = 0x24
CMD_BLINK = 0x30
CMD_RANDOM = 0x40
CMD_FB_EXT = 0x41
CMD_FB_READ = 0x42
CMD_FB_WRITE = 0x43
CMD_PLATFORM = 0x48
CMD_MCU = 0x49
CMD_FW_VERSION = 0x50
@ -90,7 +93,7 @@ class RNodeInterface(Interface):
CALLSIGN_MAX_LEN = 32
REQUIRED_FW_VER_MAJ = 1
REQUIRED_FW_VER_MIN = 26
REQUIRED_FW_VER_MIN = 50
RECONNECT_WAIT = 5
@ -130,6 +133,7 @@ class RNodeInterface(Interface):
self.state = KISS.RADIO_STATE_OFF
self.bitrate = 0
self.platform = None
self.display = None
self.mcu = None
self.detected = False
self.firmware_ok = False
@ -240,8 +244,7 @@ class RNodeInterface(Interface):
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.display = True
RNS.log("Serial port "+self.port+" is now open")
RNS.log("Configuring RNode interface...", RNS.LOG_VERBOSE)
@ -273,6 +276,44 @@ class RNodeInterface(Interface):
if written != len(kiss_command):
raise IOError("An IO error occurred while detecting hardware for "+self(str))
def enable_external_framebuffer(self):
if self.display != None:
kiss_command = bytes([KISS.FEND, KISS.CMD_FB_EXT, 0x01, KISS.FEND])
written = self.serial.write(kiss_command)
if written != len(kiss_command):
raise IOError("An IO error occurred while enabling external framebuffer on device")
def disable_external_framebuffer(self):
if self.display != None:
kiss_command = bytes([KISS.FEND, KISS.CMD_FB_EXT, 0x00, KISS.FEND])
written = self.serial.write(kiss_command)
if written != len(kiss_command):
raise IOError("An IO error occurred while disabling external framebuffer on device")
FB_PIXEL_WIDTH = 64
FB_BITS_PER_PIXEL = 1
FB_PIXELS_PER_BYTE = 8//FB_BITS_PER_PIXEL
FB_BYTES_PER_LINE = FB_PIXEL_WIDTH//FB_PIXELS_PER_BYTE
def display_image(self, imagedata):
if self.display != None:
lines = len(imagedata)//8
for line in range(lines):
line_start = line*RNodeInterface.FB_BYTES_PER_LINE
line_end = line_start+RNodeInterface.FB_BYTES_PER_LINE
line_data = bytes(imagedata[line_start:line_end])
self.write_framebuffer(line, line_data)
def write_framebuffer(self, line, line_data):
if self.display != None:
line_byte = line.to_bytes(1, byteorder="big", signed=False)
data = line_byte+line_data
escaped_data = KISS.escape(data)
kiss_command = bytes([KISS.FEND])+bytes([KISS.CMD_FB_WRITE])+escaped_data+bytes([KISS.FEND])
written = self.serial.write(kiss_command)
if written != len(kiss_command):
raise IOError("An IO error occurred while writing framebuffer data device")
def hard_reset(self):
kiss_command = bytes([KISS.FEND, KISS.CMD_RESET, 0xf8, KISS.FEND])
written = self.serial.write(kiss_command)
@ -342,7 +383,7 @@ class RNodeInterface(Interface):
RNS.log("The firmware version of the connected RNode is "+str(self.maj_version)+"."+str(self.min_version), RNS.LOG_ERROR)
RNS.log("This version of Reticulum requires at least version "+str(RNodeInterface.REQUIRED_FW_VER_MAJ)+"."+str(RNodeInterface.REQUIRED_FW_VER_MIN), RNS.LOG_ERROR)
RNS.log("Please update your RNode firmware with rnodeconf (https://github.com/markqvist/rnodeconfigutil/)")
RNS.log("Please update your RNode firmware with rnodeconf from https://github.com/markqvist/rnodeconfigutil/")
RNS.panic()
@ -636,6 +677,9 @@ class RNodeInterface(Interface):
RNS.log("Reconnected serial port for "+str(self))
def detach(self):
self.disable_external_framebuffer()
self.setRadioState(KISS.RADIO_STATE_OFF)
def __str__(self):
return "RNodeInterface["+str(self.name)+"]"