pimoroni-pico/micropython/modules_py/gfx_pack.py

46 wiersze
1.3 KiB
Python

from pimoroni import RGBLED, Button
from picographics import PicoGraphics, DISPLAY_GFX_PACK
from pimoroni_i2c import PimoroniI2C
# Index Constants
SWITCH_A = 0
SWITCH_B = 1
SWITCH_C = 2
SWITCH_D = 3
SWITCH_E = 4
class GfxPack:
I2C_SDA_PIN = 4
I2C_SCL_PIN = 5
SWITCH_PINS = (12, 13, 14, 15, 22)
LED_R_PIN = 6
LED_G_PIN = 7
LED_B_PIN = 8
# Count Constants
NUM_SWITCHES = 5
def __init__(self):
self.display = PicoGraphics(display=DISPLAY_GFX_PACK)
# Set up the user switches
self.__switches = []
for i in range(self.NUM_SWITCHES):
self.__switches.append(Button(self.SWITCH_PINS[i]))
self.__rgb = RGBLED(GfxPack.LED_R_PIN, GfxPack.LED_G_PIN, GfxPack.LED_B_PIN, invert=False)
# Set up the i2c for Qw/st and Breakout Garden
self.i2c = PimoroniI2C(self.I2C_SDA_PIN, self.I2C_SCL_PIN, 100000)
def switch_pressed(self, switch):
if switch < 0 or switch >= self.NUM_SWITCHES:
raise ValueError("switch out of range. Expected SWITCH_A (0), SWITCH_B (1), SWITCH_C (2), SWITCH_D (3), or SWITCH_E (4)")
return self.__switches[switch].is_pressed
def set_backlight(self, r, g, b, w=None):
self.__rgb.set_rgb(r, g, b)
if w is not None:
self.display.set_backlight(w / 255)