/*!
\file readme.txt
\brief description of the ADC test demo
*/
\version 2019-02-19, V1.0.0, firmware for GD32E230x
*/
/*
Copyright (c) 2019, GigaDevice Semiconductor Inc.
All rights reserved.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
3. Neither the name of the copyright holder nor the names of its contributors
may be used to endorse or promote products derived from this software without
specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
OF SUCH DAMAGE.
*/
This demo is based on the GD32E230C-EVAL-V1.1 board, it shows how to configure the
ADC peripheral to convert the analog signal to digital data. PA2(channel2) is chosen
as analog input pin. The ADC clock is configured to 12MHz. The CH0 event of TIMER0(the
frequence is 120kHz) is used as the trigger source of ADC. So the conversion frequence
of ADC is also 120kHz.
The converted data in the ADC_RDATA register is moved into SRAM(through DMA).
The analog input pin PA2 should configured to analog mode. The users can change the
VR1 on the GD32E230C-EVAL-V1.1 board, and the LCD will display the ADC convert values
with a voltage curve. The curve adjusts with the analog input.
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内容简介:GD32E230F-START-V1.0.pdf GD32E230F-START_User_Guide_V1.0 .pdf GD32E230F-START评估板用户指南_V1.0.pdf gd32e230f_start.h gd32e230f_start.c
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