/*
 * 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_pwm.h"
#include "mk_trace.h"
#include "mk_reset.h"
#include "mk_calib.h"
#include "mk_gpio.h"
#include "mk_wdt.h"
#include "libc_rom.h"
#include "board.h"

static void pwm_callback(void *dev, uint32_t status)
{
    uint8_t id = *(uint8_t *)dev;
    LOG_INFO(TRACE_MODULE_APP, "PWM %x interrupt callback\r\n", id);

    gpio_pin_toggle(IO_PIN_7);
}

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, "PWM example\r\n");

    struct PWM_CFG_T usr_pwm_cfg = {
        .general_prescale = 15,
        .int_en = 1,
        .callback = pwm_callback,
    };
    pwm_open(&usr_pwm_cfg);

    // PWM frequency = PCLK / 256 / (general_prescale + 1) / (prescale + 1)
    struct PWM_CH_CFG_T usr_pwm_ch0_cfg = {
        .prescale = 1,
        .waveform = PWM_SEQUENTIAL,
        .ratio = 10,
        .phase = 0,
        .pol_inv = 0,
        .int_en = 0,
    };

    struct PWM_CH_CFG_T usr_pwm_ch1_cfg = {
        .prescale = 5,
        .waveform = PWM_SEQUENTIAL,
        .ratio = 20,
        .phase = 0,
        .pol_inv = 0,
        .int_en = 1,
    };

    struct PWM_CH_CFG_T usr_pwm_ch2_cfg = {
        .prescale = 7,
        .waveform = PWM_SEQUENTIAL,
        .ratio = 50,
        .phase = 0,
        .pol_inv = 0,
        .int_en = 1,
    };

    struct PWM_CH_CFG_T usr_pwm_ch3_cfg = {
        .prescale = 9,
        .waveform = PWM_SEQUENTIAL,
        .ratio = 80,
        .phase = 0,
        .pol_inv = 0,
        .int_en = 1,
    };

    struct PWM_CH_CFG_T usr_pwm_ch4_cfg = {
        .prescale = 15,
        .waveform = PWM_SEQUENTIAL,
        .ratio = 90,
        .phase = 0,
        .pol_inv = 0,
        .int_en = 1,
    };

    pwm_ch_enable(PWM_ID0, &usr_pwm_ch0_cfg);
    pwm_ch_enable(PWM_ID1, &usr_pwm_ch1_cfg);
    pwm_ch_enable(PWM_ID2, &usr_pwm_ch2_cfg);
    pwm_ch_enable(PWM_ID3, &usr_pwm_ch3_cfg);
    pwm_ch_enable(PWM_ID4, &usr_pwm_ch4_cfg);

    gpio_open();
    board_configure();
    gpio_pin_set_dir(IO_PIN_7, GPIO_DIR_OUT, 0);

    while (1)
    {
    }
}