def draw(self, disp, x=0, y=0):
print("{:d}x{:d} image".format(self.width, self.height))
print("{:d}-bit encoding detected".format(self.bpp))
line = 0
line_size = self.width * (self.bpp // 8)
if line_size % 4 != 0:
line_size += 4 - line_size % 4
current_line_data = b""
with open(self.filename, "rb") as f:
f.seek(self.data)
disp.set_window(x, y, self.width, self.height)
for line in range(self.height):
current_line_data = b""
line_data = f.read(line_size)
for i in range(0, line_size, self.bpp // 8):
if (line_size - i) < self.bpp // 8:
break
if self.bpp == 16:
color = convert_555_to_565(line_data[i]
| line_data[i + 1] << 8)
if self.bpp == 24 or self.bpp == 32:
color = color565(line_data[i + 2], line_data[i + 1],
line_data[i])
current_line_data = current_line_data + struct.pack(
">H", color)
disp.setxy(x, self.height - line + y)
disp.push_pixels(current_line_data)
disp.set_window(0, 0, disp.width, disp.height)
def draw(self, disp, x=0, y=0):
line = 0
line_size = self.width * (self.bpp // 8)
if line_size % 4 != 0:
line_size += (4 - line_size % 4)
current_line_data = b''
with open(self.filename, 'rb') as f:
f.seek(self.data)
disp.set_window(x, y, self.width, self.height)
for line in range(self.height):
current_line_data = b''
line_data = f.read(line_size)
for i in range(0, line_size, self.bpp // 8):
if (line_size - i) < self.bpp // 8:
break
if self.bpp == 16:
color = convert_555_to_565(line_data[i]
| line_data[i + 1] << 8)
if self.bpp == 24 or self.bpp == 32:
color = color565(line_data[i + 2], line_data[i + 1],
line_data[i])
current_line_data = current_line_data + struct.pack(
">H", color)
disp.setxy(x, self.height - line + y)
disp.push_pixels(current_line_data)
disp.set_window(0, 0, disp.width, disp.height)
# SPDX-License-Identifier: MIT
# Quick bitmap test of RA8875 with Feather M4
import busio
import digitalio
import board
import adafruit_ra8875.ra8875 as ra8875
from adafruit_ra8875.ra8875 import color565
try:
import struct
except ImportError:
import ustruct as struct
WHITE = color565(255, 255, 255)
# Configuration for CS and RST pins:
cs_pin = digitalio.DigitalInOut(board.D9)
rst_pin = digitalio.DigitalInOut(board.D10)
# Config for display baudrate (default max is 6mhz):
BAUDRATE = 8000000
# Setup SPI bus using hardware SPI:
spi = busio.SPI(clock=board.SCK, MOSI=board.MOSI, MISO=board.MISO)
# Create and setup the RA8875 display:
display = ra8875.RA8875(spi, cs=cs_pin, rst=rst_pin, baudrate=BAUDRATE)
display.init()
display.fill(WHITE)
# SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries # SPDX-License-Identifier: MIT # Quick test of RA8875 with Feather M4 import time import busio import digitalio import board from adafruit_ra8875 import ra8875 from adafruit_ra8875.ra8875 import color565 BLACK = color565(0, 0, 0) RED = color565(255, 0, 0) BLUE = color565(0, 255, 0) GREEN = color565(0, 0, 255) YELLOW = color565(255, 255, 0) CYAN = color565(0, 255, 255) MAGENTA = color565(255, 0, 255) WHITE = color565(255, 255, 255) # Configuration for CS and RST pins: cs_pin = digitalio.DigitalInOut(board.D9) rst_pin = digitalio.DigitalInOut(board.D10) int_pin = digitalio.DigitalInOut(board.D11) # Config for display baudrate (default max is 6mhz): BAUDRATE = 6000000 # Setup SPI bus using hardware SPI: spi = busio.SPI(clock=board.SCK, MOSI=board.MOSI, MISO=board.MISO)
esp32_reset = DigitalInOut(board.RTS) esp = adafruit_esp32spi.ESP_SPIcontrol(spi, esp32_cs, esp32_ready, esp32_reset, gpio0_pin=dtr, debug=False) requests.set_interface(esp) # Connect SAM32 to the card and mount the filesystem sdcard = adafruit_sdcard.SDCard(spi, cs) vfs = storage.VfsFat(sdcard) storage.mount(vfs, "/sd") # Set up BME680 as an I2C device i2c = I2C(board.SCL, board.SDA) bme680 = adafruit_bme680.Adafruit_BME680_I2C(i2c, debug=False) bme680.sea_level_pressure = 1013.25 # Set commonly used fill colors as constants WHITE = color565(255, 255, 255) BLACK = color565(0, 0, 0) # Config for display baudrate (default max is 6mhz) BAUDRATE = 8000000 # Create and setup the RA8875 display display = ra8875.RA8875(spi, cs=cs_pin, rst=rst_pin, baudrate=BAUDRATE) display.init() display.fill(BLACK) # Create strings to hold weather and time URLs LOCATION = "Palo Alto, US" WEATHER_URL = "http://api.openweathermap.org/data/2.5/weather?q="+LOCATION WEATHER_URL += "&appid="+secrets['openweather_token'] TIME_URL = "http://worldtimeapi.org/api/timezone/" + secrets['timezone']
