Sha256: 679b869f8782a8b843051d32f5468cf352de84300a99e3ff15fe33ec5f7e6961
Contents?: true
Size: 1.65 KB
Versions: 21
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Stored size: 1.65 KB
Contents
class HelloArrayEeprom < ArduinoSketch
# ----------------------------------------------------------------------
# Checking out various array operations with I2C serial EEPROM
# doing block writes and bloack readbacks with byte arrays
#
# JD Barnhart - Seattle, WA July 2008
# Brian Riley - Underhill Center, VT, USA July 2008
# <brianbr@wulfden.org>
#
# ----------------------------------------------------------------------
# still working this out...
# for example, new instance style array declaration naming
# is at odds with original style array naming
define "THROWAWAY 0"
# when we just need to declare an array, or need more control, such as specific type requirements
array "byte page_data[20] = {'R', 'A', 'D', ' ', 'i', 's', ' ', 'B', 'A', 'D', '*', '!', ')', '=', 'P', '-', '+', 'R', 'I', 'K'}"
array "byte in_buffer[20]"
output_pin 19, :as => :mem0, :device => :i2c_eeprom, :address => 1 # w/o :address defaults to :address => 0 which is 0x50
output_pin 14, :as => :my_lcd, :device => :pa_lcd, :rate => 19200
def setup
my_lcd.clearscr " I2C EEPROM Demo"
my_lcd.setxy 0, 1, "block write and read"
my_lcd.setxy 0, 2, " back and display"
my_lcd.setxy 0, 3, " to the LCD"
delay 2000
my_lcd.clearscr " I2C EEPROM Demo?n block write"
mem0.write_page 0x0100, page_data, 20
delay 1000
my_lcd.clearline 1, " block readback"
mem0.read_buffer 0x0100, in_buffer, 20
my_lcd.setxy 0, 2
1.upto(20) do |x|
my_lcd.print in_buffer[x-1]
my_lcd.print " "
end
end
def loop
x = THROWAWAY
end
end
Version data entries
21 entries across 21 versions & 4 rubygems