/*
 * Copyright (c) 2019-2023 Beijing Hanwei Innovation Technology Ltd. Co. and
 * its subsidiaries and affiliates (collectly called MKSEMI).
 *
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form, except as embedded into an MKSEMI
 *    integrated circuit in a product or a software update for such product,
 *    must reproduce the above copyright notice, this list of conditions and
 *    the following disclaimer in the documentation and/or other materials
 *    provided with the distribution.
 *
 * 3. Neither the name of MKSEMI nor the names of its contributors may be used
 *    to endorse or promote products derived from this software without
 *    specific prior written permission.
 *
 * 4. This software, with or without modification, must only be used with a
 *    MKSEMI integrated circuit.
 *
 * 5. Any software provided in binary form under this license must not be
 *    reverse engineered, decompiled, modified and/or disassembled.
 *
 * THIS SOFTWARE IS PROVIDED BY MKSEMI "AS IS" AND ANY EXPRESS OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL MKSEMI OR CONTRIBUTORS BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include "mk_adc.h"
#include "mk_trace.h"
#include "mk_reset.h"
#include "mk_calib.h"
#include "mk_wdt.h"
#include "mk_misc.h"
#include "libc_rom.h"
#include "board.h"

#define BATT_MONITOR_TEST_EN 1
#define TEMP_SENSOR_TEST_EN 1

/* Max value for a full range of 12 bits (4096 values) */
#define NUM_SAMPLES 10

static uint32_t sample[NUM_SAMPLES] = {0};

static void adc_callback(void *data, uint32_t number)
{
    uint32_t *result = (uint32_t *)data;
    for (uint16_t i = 0; i < number; i++)
    {
        LOG_INFO(TRACE_MODULE_APP, "adc sample %x , The voltage measured %d mv\r\n", *result,
                 ADC_INTERNAL_VREF_MV + adc_code_to_mv((int16_t)*result, ADC_INTERNAL_VREF_MV));
        result++;
    }
}

static struct ADC_CFG_T usr_adc_cfg = {
    .mode = ADC_MODE_CONTINUE,    /* Selected single conversion mode  */
    .clk_sel = ADC_CLK_HIGH,      /* Selected 62.4M high speed clock */
    .vref_sel = ADC_SEL_VREF_INT, /* Using internal reference voltage (1.2V)*/
    .rate = 500000,               /* ADC works at high frequency system clock, the maximum sampling rate is 2M */
    .channel_p = ADC_IN_EXTPIN0,  /* ADC positive channel --> GPIO0 */
    .channel_n = ADC_IN_VREF,     /* ADC negative channel --> Vref */
    .int_en = false,
    .dma_en = false, /* DMA support only in continue mode */
    .acc_num = 0,
    .high_pulse_time = 4,
    .settle_time = 1,
};

int main(void)
{
    board_clock_run();
    board_pins_config();
    board_debug_console_open(TRACE_PORT_UART0);
    // Reset reason
    reset_cause_get();
    reset_cause_clear();

    // Chip calibration
    calib_chip();

    // Disable watchdog timer
    wdt_close(WDT_ID0);
    LOG_INFO(TRACE_MODULE_APP, "ADC example\r\n");

    gpio_open();
    board_configure();

#if BATT_MONITOR_TEST_EN
    battery_monitor_open();
    int16_t vdd = battery_monitor_get();
    LOG_INFO(TRACE_MODULE_APP, "Battery voltage: %d mv\r\n", vdd);
    battery_monitor_close();
#endif

#if TEMP_SENSOR_TEST_EN
    temp_sensor_open();
    int8_t temp = temp_sensor_get(0);
    LOG_INFO(TRACE_MODULE_APP, "Chip temperature: %d degree\r\n", temp);
    temp_sensor_close();
#endif

    adc_open(&usr_adc_cfg);

    while (1)
    {
        adc_get(&sample[0], NUM_SAMPLES, adc_callback);
        delay_us(1000000);
    }

    // adc_close();
}