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fixed offset in berry driver for new msg format

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This commit is contained in:
Johannes Braun
2022-03-12 16:54:05 +01:00
parent 49c5877458
commit 2ee67c5a69
2 changed files with 7 additions and 6 deletions
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11
tasmota/autoexec.be
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@@ -167,11 +167,11 @@ class Nextion : Driver
return ret return ret
end end
# encode using custom protocol 55 BB [payload length] [payload] [crc] [crc] # encode using custom protocol 55 BB [payload length] [payload length] [payload] [crc] [crc]
def encode(payload) def encode(payload)
var b = bytes() var b = bytes()
b += self.header b += self.header
b.add(size(payload), 1) # add size as 1 byte b.add(size(payload), 2) # add size as 2 bytes, little endian
b += bytes().fromstring(payload) b += bytes().fromstring(payload)
var msg_crc = self.crc16(b) var msg_crc = self.crc16(b)
b.add(msg_crc, 2) # crc 2 bytes, little endian b.add(msg_crc, 2) # crc 2 bytes, little endian
@@ -303,13 +303,14 @@ class Nextion : Driver
self.flash_nextion() self.flash_nextion()
end end
else else
# Recive messages using custom protocol 55 BB [payload length] [payload] [crc] [crc] # Recive messages using custom protocol 55 BB [payload length] [payload length] [payload] [crc] [crc]
if msg[0..1] == self.header if msg[0..1] == self.header
var lst = self.split_55(msg) var lst = self.split_55(msg)
for i:0..size(lst)-1 for i:0..size(lst)-1
msg = lst[i] msg = lst[i]
var j = msg[2]+2 #var j = msg[2]+2
msg = msg[3..j] var j = size(msg) - 3
msg = msg[4..j]
if size(msg) > 2 if size(msg) > 2
var jm = string.format("{\"CustomRecv\":\"%s\"}",msg.asstring()) var jm = string.format("{\"CustomRecv\":\"%s\"}",msg.asstring())
tasmota.publish_result(jm, "RESULT") tasmota.publish_result(jm, "RESULT")

2
test-msg-gen.py
View File

@@ -27,7 +27,7 @@ header = binascii.unhexlify('55BB')
print("length:", len(value)) print("length:", len(value))
length = len(value).to_bytes(1, 'little') length = len(value).to_bytes(2, 'little')
bytes_payload = header + length + payload bytes_payload = header + length + payload