1 /*
2  * Copyright (c) 2022 OpenLuat & AirM2M
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a copy of
5  * this software and associated documentation files (the "Software"), to deal in
6  * the Software without restriction, including without limitation the rights to
7  * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
8  * the Software, and to permit persons to whom the Software is furnished to do so,
9  * subject to the following conditions:
10  *
11  * The above copyright notice and this permission notice shall be included in all
12  * copies or substantial portions of the Software.
13  *
14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
16  * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
17  * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
18  * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
19  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
20  */
21 
22 #ifndef __CORE_ADC_H__
23 #define __CORE_ADC_H__
24 #define ADC_VALUE_ERROR (0xffffffff)
25 void ADC_GlobalInit(void);
26 /**
27  * @brief 通道开关，在globalinit时只打开了0，0也无法被关闭，目前已经废弃，ADC_GetChannelValue的时候临时打开
28  *
29  * @param Channel 通道号
30  * @param OnOff 开关
31  */
32 void ADC_ChannelOnOff(uint8_t Channel, uint8_t OnOff);
33 /**
34  * @brief 获取通道的原始ADC值，12bit，1.8V参考电压，通道0内部9:5分压，其他关闭
35  *
36  * @param Channel 通道号
37  * @return != ADC_VALUE_ERROR 为有效值
38  */
39 uint32_t ADC_GetChannelValue(uint8_t Channel);
40 /**
41  * @brief 开关内部分压，1~5都是1:1 6就不确定了，手册和demo不一致
42  *
43  * @param OnOff 开关
44  */
45 void ADC_IntelResistance(uint8_t OnOff);
46 #endif
47