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#include <stdio.h>
#include <stdbool.h>
#include <stdint.h>
#include "ulp_riscv.h"
#include "ulp_riscv_utils.h"
#include "ulp_riscv_gpio.h"
#include "ulp_riscv_adc_ulp_core.h"
#include "hal/adc_types.h"

#define ADC_CHANNEL     ADC_CHANNEL_1
#define ADC_UNIT        ADC_UNIT_1

#define ADC_TRESHOLD    9.0*1000        // mV
#define TAMPER_GPIO     GPIO_NUM_5

gpio_num_t tamper_gpio  = TAMPER_GPIO;
bool tamper_detected    = false;
int32_t adc_read        = 0;
int32_t bus_voltage     = 0;

int main (void)
{
    if(ulp_riscv_gpio_get_level(tamper_gpio) == 1)
        tamper_detected = true;
    
    adc_read = ulp_riscv_adc_read_channel(ADC_UNIT, ADC_CHANNEL);
    bus_voltage = adc_read * (1010 / 100);
    if (bus_voltage > ADC_TRESHOLD)
        ulp_riscv_wakeup_main_processor();
    return 0;
}