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36 lines
820 B
36 lines
820 B
7 years ago
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#!/bin/env python3
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import gex
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import time
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7 years ago
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# simple demo with the dot matrix phat
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7 years ago
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ADDR = 0x61
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MODE = 0b00011000
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OPTS = 0b00001110 # 1110 = 35mA, 0000 = 40mA
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CMD_BRIGHTNESS = 0x19
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CMD_MODE = 0x00
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CMD_UPDATE = 0x0C
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CMD_OPTIONS = 0x0D
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CMD_MATRIX_1 = 0x01
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CMD_MATRIX_2 = 0x0E
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with gex.Client(gex.TrxRawUSB()) as client:
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bus = gex.I2C(client, 'i2c')
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addr = 0x61
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bus.write_reg(addr, CMD_MODE, MODE)
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bus.write_reg(addr, CMD_OPTIONS, OPTS)
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bus.write_reg(addr, CMD_BRIGHTNESS, 64)
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bus.write(addr, [CMD_MATRIX_1,
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0xAA,0x55,0xAA,0x55,
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0xAA,0x55,0xAA,0x55,
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])
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bus.write(addr, [CMD_MATRIX_2,
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0xFF, 0, 0xFF, 0,
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0xFF, 0, 0xFF, 0,
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])
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bus.write_reg(addr, CMD_UPDATE, 0x01)
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