From ceec171c42bd79f1762b971569e20ead656f4fd0 Mon Sep 17 00:00:00 2001 From: Cody Hiar Date: Sun, 27 May 2018 15:29:21 -0600 Subject: Moving libs into separate own directory --- .../examples/char_lcd_rgb_pwm.py | 129 --------------------- 1 file changed, 129 deletions(-) delete mode 100755 Adafruit_Python_CharLCD/examples/char_lcd_rgb_pwm.py (limited to 'Adafruit_Python_CharLCD/examples/char_lcd_rgb_pwm.py') diff --git a/Adafruit_Python_CharLCD/examples/char_lcd_rgb_pwm.py b/Adafruit_Python_CharLCD/examples/char_lcd_rgb_pwm.py deleted file mode 100755 index 8f6fc2b..0000000 --- a/Adafruit_Python_CharLCD/examples/char_lcd_rgb_pwm.py +++ /dev/null @@ -1,129 +0,0 @@ -#!/usr/bin/python -# Example using an RGB character LCD with PWM control of the backlight. -import math -import time - -import Adafruit_CharLCD as LCD - - -def hsv_to_rgb(hsv): - """Converts a tuple of hue, saturation, value to a tuple of red, green blue. - Hue should be an angle from 0.0 to 359.0. Saturation and value should be a - value from 0.0 to 1.0, where saturation controls the intensity of the hue and - value controls the brightness. - """ - # Algorithm adapted from http://www.cs.rit.edu/~ncs/color/t_convert.html - h, s, v = hsv - if s == 0: - return (v, v, v) - h /= 60.0 - i = math.floor(h) - f = h-i - p = v*(1.0-s) - q = v*(1.0-s*f) - t = v*(1.0-s*(1.0-f)) - if i == 0: - return (v, t, p) - elif i == 1: - return (q, v, p) - elif i == 2: - return (p, v, t) - elif i == 3: - return (p, q, v) - elif i == 4: - return (t, p, v) - else: - return (v, p, q) - -# Raspberry Pi configuration: -lcd_rs = 27 # Change this to pin 21 on older revision Raspberry Pi's -lcd_en = 22 -lcd_d4 = 25 -lcd_d5 = 24 -lcd_d6 = 23 -lcd_d7 = 18 -lcd_red = 4 -lcd_green = 17 -lcd_blue = 7 # Pin 7 is CE1 - -# BeagleBone Black configuration: -# lcd_rs = 'P8_8' -# lcd_en = 'P8_10' -# lcd_d4 = 'P8_18' -# lcd_d5 = 'P8_16' -# lcd_d6 = 'P8_14' -# lcd_d7 = 'P8_12' -# lcd_red = 'P9_16' -# lcd_green = 'P9_14' -# lcd_blue = 'P8_13' - -# Define LCD column and row size for 16x2 LCD. -lcd_columns = 16 -lcd_rows = 2 - -# Alternatively specify a 20x4 LCD. -# lcd_columns = 20 -# lcd_rows = 4 - -# Initialize the LCD using the pins -lcd = LCD.Adafruit_RGBCharLCD(lcd_rs, lcd_en, lcd_d4, lcd_d5, lcd_d6, lcd_d7, - lcd_columns, lcd_rows, lcd_red, lcd_green, lcd_blue, - enable_pwm=True) - -# Show some basic colors. -lcd.set_color(1.0, 0.0, 0.0) -lcd.clear() -lcd.message('RED') -time.sleep(3.0) - -lcd.set_color(0.0, 1.0, 0.0) -lcd.clear() -lcd.message('GREEN') -time.sleep(3.0) - -lcd.set_color(0.0, 0.0, 1.0) -lcd.clear() -lcd.message('BLUE') -time.sleep(3.0) - -lcd.set_color(1.0, 1.0, 0.0) -lcd.clear() -lcd.message('YELLOW') -time.sleep(3.0) - -lcd.set_color(0.0, 1.0, 1.0) -lcd.clear() -lcd.message('CYAN') -time.sleep(3.0) - -lcd.set_color(1.0, 0.0, 1.0) -lcd.clear() -lcd.message('MAGENTA') -time.sleep(3.0) - -lcd.set_color(1.0, 1.0, 1.0) -lcd.clear() -lcd.message('WHITE') -time.sleep(3.0) - -# Use HSV color space so the hue can be adjusted to see a nice gradient of colors. -# Hue ranges from 0.0 to 359.0, saturation from 0.0 to 1.0, and value from 0.0 to 1.0. -hue = 0.0 -saturation = 1.0 -value = 1.0 - -# Loop through all RGB colors. -lcd.clear() -print('Press Ctrl-C to quit.') -while True: - # Convert HSV to RGB colors. - red, green, blue = hsv_to_rgb((hue, saturation, value)) - # Set backlight color. - lcd.set_color(red, green, blue) - # Print message with RGB values to display. - lcd.set_cursor(0, 0) - lcd.message('RED GREEN BLUE\n{0:0.2f} {1:0.2f} {2:0.2f}'.format(red, green, blue)) - # Increment hue (wrapping around at 360 degrees). - hue += 1.0 - if hue > 359.0: - hue = 0.0 -- cgit v1.2.3