1 /*
2  * Copyright (C) 2015-2020 Alibaba Group Holding Limited
3  */
4 
5 #ifndef EXP_ADC_H
6 #define EXP_ADC_H
7 
8 #include "aos/hal/adc.h"
9 #include "stdint.h"
10 
11 enum en_exp_adc_port { ADC_PORT_0 = 0, ADC_PORT_1, ADC_PORT_2, ADC_PORT_SIZE };
12 
13 int32_t expansion_board_adc_init(void);
14 
15 int32_t expansion_board_adc_get_value(uint32_t port, uint32_t *adc_value);
16 
17 int32_t board_get_voltage(uint32_t port, uint32_t *output);
18 #endif
19