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39 lines
1.0 KiB
Python
39 lines
1.0 KiB
Python
# -*- coding:utf-8 -*-
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'''!
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@file output_sin.py
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@brief Use DAC to output sine wave.
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@copyright Copyright (c) 2010 DFRobot Co.Ltd (http://www.dfrobot.com)
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@license The MIT License (MIT)
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@author [tangjie](jie.tang@dfrobot.com)
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@version V1.0
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@date 2022-03-07
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@url https://github.com/DFRobot/DFRobot_GP8403
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'''
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from __future__ import print_function
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import sys
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import os
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import time
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sys.path.append(os.path.dirname(os.path.dirname(os.path.realpath(__file__))))
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from DFRobot_GP8403 import *
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DAC = DFRobot_GP8403(0x58)
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while DAC.begin() != 0:
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print("init error")
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time.sleep(1)
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print("init succeed")
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#Set output range
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DAC.set_DAC_outrange(OUTPUT_RANGE_5V)
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while True:
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'''!
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@brief output sine wave from channel 0
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@param amp Set sine wave amplitude Vp
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@param freq Set sine wave frequency f
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@param offset Set sine wave DC offset Voffset
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@param channel Output channel. 0: channel 0; 1: channel 1; 2: all the channels
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'''
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DAC.output_sin(2500, 10, 2500, 0)
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