kopia lustrzana https://github.com/peterhinch/micropython-font-to-py
85 wiersze
2.7 KiB
Python
85 wiersze
2.7 KiB
Python
# driver_test.py Simple test for rendering text to an ssd1306 display in
|
|
# arbitrary fonts
|
|
# V0.1 Peter Hinch Nov 2016
|
|
|
|
# The MIT License (MIT)
|
|
#
|
|
# Copyright (c) 2016 Peter Hinch
|
|
#
|
|
# Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
# of this software and associated documentation files (the "Software"), to deal
|
|
# in the Software without restriction, including without limitation the rights
|
|
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
# copies of the Software, and to permit persons to whom the Software is
|
|
# furnished to do so, subject to the following conditions:
|
|
#
|
|
# The above copyright notice and this permission notice shall be included in
|
|
# all copies or substantial portions of the Software.
|
|
#
|
|
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
# THE SOFTWARE.
|
|
|
|
# This demo uses a modified version of the official SSD1306 driver to fix an
|
|
# issue with the scroll method. Once the official version is fixed, it should
|
|
# be substituted for ssd1306_drv
|
|
|
|
import machine
|
|
import utime
|
|
from writer import Writer
|
|
from ssd1306 import SSD1306_I2C, SSD1306_SPI
|
|
import freeserif
|
|
import freesans20
|
|
import inconsolata16
|
|
|
|
# Display parameters
|
|
WIDTH = const(128)
|
|
SPI = False
|
|
# Note that HEIGHT is set below
|
|
|
|
if SPI:
|
|
# Pyb SSD
|
|
# 3v3 Vin
|
|
# Gnd Gnd
|
|
# X1 DC
|
|
# X2 CS
|
|
# X3 Rst
|
|
# X6 CLK
|
|
# X8 DATA
|
|
HEIGHT = 32
|
|
pdc = machine.Pin('X1', machine.Pin.OUT_PP)
|
|
pcs = machine.Pin('X2', machine.Pin.OUT_PP)
|
|
prst = machine.Pin('X3', machine.Pin.OUT_PP)
|
|
spi = machine.SPI(1)
|
|
display = SSD1306_SPI(WIDTH, HEIGHT, spi, pdc, prst, pcs)
|
|
else: # I2C
|
|
# Pyb SSD
|
|
# 3v3 Vin
|
|
# Gnd Gnd
|
|
# Y9 CLK
|
|
# Y10 DATA
|
|
HEIGHT = 64
|
|
pscl = machine.Pin('Y9', machine.Pin.OUT_PP)
|
|
psda = machine.Pin('Y10', machine.Pin.OUT_PP)
|
|
i2c = machine.I2C(scl=pscl, sda=psda)
|
|
display = SSD1306_I2C(WIDTH, HEIGHT, i2c)
|
|
|
|
serif = Writer(display, freeserif)
|
|
sans = Writer(display, freesans20)
|
|
Writer.set_clip(True, True) # Disable auto scrolling and wrapping.
|
|
serif.printstring('Tuesday\n')
|
|
sans.printstring('8 Nov 2016\n')
|
|
sans.printstring('10.30am')
|
|
display.show()
|
|
|
|
|
|
def scroll_test(x, y):
|
|
t = utime.ticks_us()
|
|
display.scroll(x, y) # 125ms
|
|
print(utime.ticks_diff(utime.ticks_us(), t))
|
|
display.show()
|