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Remove '\r' from serial datastream

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Aart van Halteren
2013-06-26 22:39:51 +02:00
parent 099d90c9d8
commit 5e1712afac
2 changed files with 7 additions and 3 deletions
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8
smartmeter.rb
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@@ -13,7 +13,11 @@ ActiveRecord::Base.establish_connection(connection_details)
# # Open connection to serial port # # Open connection to serial port
ser = SerialPort.new("/dev/ttyUSB1", 9600, 7, 1, SerialPort::EVEN) ser = SerialPort.new("/dev/ttyUSB1", 9600, 7, 1, SerialPort::EVEN)
# lines = ""
for i in 0..22
lines = lines+ser.readline("\n").gsub(/\r/, '')
end
# # read until newline # # read until newline
# response = ser.readline("\r") # response = ser.readline("\r")
# response.chomp! # response.chomp!
@@ -21,8 +25,8 @@ ser = SerialPort.new("/dev/ttyUSB1", 9600, 7, 1, SerialPort::EVEN)
sync = Synchronizer.new sync = Synchronizer.new
#lines = File.read("example_blurp.txt")[rand(1500)..-1] #lines = File.read("example_blurp.txt")[rand(1500)..-1]
lines = ser.readpartial(4096) # read max 4k of data
p "There are #{lines.length} characters" p "There are #{lines.length} characters"
p lines
while (!lines.nil? && lines.length > 0) while (!lines.nil? && lines.length > 0)
lines = sync.handle_byte_stream(lines) lines = sync.handle_byte_stream(lines)
#p lines #p lines