import argparse import time import sys import os # sys.path.append(os.path.abspath(os.path.dirname(__file__) + '/..')) from rgbmatrix import RGBMatrix, RGBMatrixOptions class SampleBase(object): def __init__(self, *args, **kwargs): self.parser = argparse.ArgumentParser() self.parser.add_argument("-r", "--led-rows", action="store", help="Display rows. 16 for 16x32, 32 for 32x32. Default: 64", default=64, type=int) self.parser.add_argument("--led-cols", action="store", help="Panel columns. Typically 32 or 64. (Default: 64)", default=64, type=int) self.parser.add_argument("-c", "--led-chain", action="store", help="Daisy-chained boards. Default: 1.", default=1, type=int) self.parser.add_argument("-P", "--led-parallel", action="store", help="For Plus-models or RPi2: parallel chains. 1..3. Default: 1", default=1, type=int) self.parser.add_argument("-p", "--led-pwm-bits", action="store", help="Bits used for PWM. Something between 1..11. Default: 11", default=11, type=int) self.parser.add_argument("-b", "--led-brightness", action="store", help="Sets brightness level. Default: 100. Range: 1..100", default=100, type=int) self.parser.add_argument("-m", "--led-gpio-mapping", help="Hardware Mapping: regular, adafruit-hat, adafruit-hat-pwm", choices=['regular', 'regular-pi1', 'adafruit-hat', 'adafruit-hat-pwm'], default='adafruit-hat', type=str) self.parser.add_argument("--led-scan-mode", action="store", help="Progressive or interlaced scan. 0 Progressive, 1 Interlaced (default)", default=1, choices=range(2), type=int) self.parser.add_argument("--led-pwm-lsb-nanoseconds", action="store", help="Base time-unit for the on-time in the lowest significant bit in nanoseconds. Default: 130", default=130, type=int) self.parser.add_argument("--led-show-refresh", action="store_true", help="Shows the current refresh rate of the LED panel") self.parser.add_argument("--led-slowdown-gpio", action="store", help="Slow down writing to GPIO. Range: 0..4. Default: 1", default=4, type=int) self.parser.add_argument("--led-no-hardware-pulse", action="store", help="Don't use hardware pin-pulse generation") self.parser.add_argument("--led-rgb-sequence", action="store", help="Switch if your matrix has led colors swapped. Default: RGB", default="RGB", type=str) self.parser.add_argument("--led-pixel-mapper", action="store", help="Apply pixel mappers. e.g \"Rotate:90\"", default="", type=str) self.parser.add_argument("--led-row-addr-type", action="store", help="0 = default; 1=AB-addressed panels; 2=row direct; 3=ABC-addressed panels; 4 = ABC Shift + DE direct", default=0, type=int, choices=[0,1,2,3,4]) self.parser.add_argument("--led-multiplexing", action="store", help="Multiplexing type: 0=direct; 1=strip; 2=checker; 3=spiral; 4=ZStripe; 5=ZnMirrorZStripe; 6=coreman; 7=Kaler2Scan; 8=ZStripeUneven... (Default: 0)", default=0, type=int) self.parser.add_argument("--led-panel-type", action="store", help="Needed to initialize special panels. Supported: 'FM6126A'", default="", type=str) self.parser.add_argument("--led-no-drop-privs", dest="drop_privileges", help="Don't drop privileges from 'root' after initializing the hardware.", action='store_false') self.parser.set_defaults(drop_privileges=True) def usleep(self, value): time.sleep(value / 1000000.0) def run(self): print("Running") def process(self): self.args = self.parser.parse_args() options = RGBMatrixOptions() if self.args.led_gpio_mapping != None: options.hardware_mapping = self.args.led_gpio_mapping options.rows = self.args.led_rows options.cols = self.args.led_cols options.chain_length = self.args.led_chain options.parallel = self.args.led_parallel options.row_address_type = self.args.led_row_addr_type options.multiplexing = self.args.led_multiplexing options.pwm_bits = self.args.led_pwm_bits options.brightness = self.args.led_brightness options.pwm_lsb_nanoseconds = self.args.led_pwm_lsb_nanoseconds options.led_rgb_sequence = self.args.led_rgb_sequence options.pixel_mapper_config = self.args.led_pixel_mapper options.panel_type = self.args.led_panel_type if self.args.led_show_refresh: options.show_refresh_rate = 1 if self.args.led_slowdown_gpio != None: options.gpio_slowdown = self.args.led_slowdown_gpio if self.args.led_no_hardware_pulse: options.disable_hardware_pulsing = True if not self.args.drop_privileges: options.drop_privileges=False self.matrix = RGBMatrix(options = options) try: # Start loop print("Press CTRL-C to stop sample") self.run() except KeyboardInterrupt: print("Exiting\n") sys.exit(0) return True