/**
  ******************************************************************************
  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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  * Copyright (C) 2021 Shanghai Eastsoft Microelectronics Co., Ltd. ALL rights reserved.
  *******************************************************************************
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Version history:
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2021-03-16	V1.00	AE TEAM
2022-07-17	V1.01	AE TEAM
1.适配ES-PDS-ES32F3696LX开发板

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Demo introduction:
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本示例功能：软件触发4通道标准转换，DMA搬运ADC结果并存入数组g_adc_result[4]。

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测试环境:
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测试用板：
ES-PDS-ES32F3696LX-V1.0

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测试步骤：
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1) 编译工程，编译通过后将程序下载到目标芯片；
2) 将不同的电压信号分别输送给程序配置的ADC通道对应的引脚；
3) 在线调试，将g_adc_result加入Watch Window，运行程序；

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注意：
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System clock:
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外部HOSC 12MHz 3分频后PLL倍频到72MHz.

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Pin connection: 
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ADC_CH0---PC0[GPIO_FUNC_0]
ADC_CH1---PC1[GPIO_FUNC_0]
ADC_CH2---PC2[GPIO_FUNC_0]
ADC_CH3---PC3[GPIO_FUNC_0]
