/* * Copyright (C) 2015-2020 Alibaba Group Holding Limited */ #ifndef EXP_ADC_H #define EXP_ADC_H #include "aos/hal/adc.h" #include "stdint.h" enum en_exp_adc_port { ADC_PORT_0 = 0, ADC_PORT_1, ADC_PORT_2, ADC_PORT_SIZE }; int32_t expansion_board_adc_init(void); int32_t expansion_board_adc_get_value(uint32_t port, uint32_t *adc_value); int32_t board_get_voltage(uint32_t port, uint32_t *output); #endif