/*
 * 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_trace.h"
#include "mk_wdt.h"
#include "mk_reset.h"
#include "mk_gpio.h"
#include "mk_misc.h"
#include "mk_sleep_timer.h"
#include "mk_power.h"
#include "mk_uwb.h"
#include "mk_calib.h"
#include "mk_flash.h"

#include "board.h"

#include "pal_sys.h"
#include "wsf_os.h"
#include "wsf_timer.h"
#include "wsf_buf.h"
#include "wsf_nvm.h"

#include "app.h"
#include "uwb_trx.h"
#include "uwb_api.h"
#include "lib_aoa.h"
#include "libc_rom.h"

#define CCA_TEST_EN 0
#define NBI_TEST_EN 0
#define CSMACA_TEST_EN 0

extern uint8_t uwb_tx_done;
extern uint8_t uwb_rx_done;

static uint8_t tx_payload[127];
// maximum: 1021 @ proprietary mode
static uint16_t tx_len = 125;

static uint32_t test_rounds = 0;
static uint8_t test_on_flag = 0;

//*****************************************************************************
//
// WSF buffer pools.
//
//*****************************************************************************
#define WSF_BUF_POOLS 5

// Default pool descriptor.
static wsfBufPoolDesc_t poolDescriptors[WSF_BUF_POOLS] = {
    {32, 26}, {64, 24}, {128, 4}, {256 + 32, 4}, {1024 + 32, 2},
};

static void sleep_timer_callback(void *dev, uint32_t time)
{
    // LOG_INFO(TRACE_MODULE_APP, "Wake up by sleep timer %d\r\n", time);
}

static void uwb_update_tx_payload(uint32_t slot_idx)
{
    tx_payload[0] = slot_idx & 0xff;
    tx_payload[1] = (slot_idx >> 8) & 0xff;
    tx_payload[2] = (slot_idx >> 16) & 0xff;
    tx_payload[3] = (slot_idx >> 24) & 0xff;
}

static void uwb_tx_test(void)
{
    uwbs_configure(PHY_TX, uwb_app_config.session_param.tx_power_level);
    uwb_tx_done = 1;

    app_timer_set(APP_TEST_TIMER2, 50, WSF_TIMER_PERIODIC);
}

#if NBI_TEST_EN
static int16_t sweep_freq = -100;
#endif

static void uwb_rx_test(void)
{
    uwbs_configure(PHY_RX, 0);
    uwb_rx_done = 1;

#if NBI_TEST_EN
    phy_nb_filter_config(1, sweep_freq, 3);
#endif

    app_timer_set(APP_TEST_TIMER1, 50, WSF_TIMER_PERIODIC);
}

#if CCA_TEST_EN
static void phy_done_callback(void *dev, uint32_t int_status)
{
    if (int_status & 0x04)
    {
        int32_t rssi = phy_cca_rssi_get();
        LOG_INFO(TRACE_MODULE_APP, "CCA RSSI %d\r\n", rssi);
    }
    LOG_INFO(TRACE_MODULE_APP, "PHY INT status %x\r\n", int_status);
}
#endif

//
// Button Handlers
//
static void GPIO_UserHandler(enum IO_PIN_T pin)
{
    // LOG_INFO(TRACE_MODULE_APP, "GPIO Interrupt happen\r\n");

    if (pin == BOARD_SW_1)
    {
        app_button_event_set(APP_BUTTON1_EVT);
    }
}

void app_process_handle(uint8_t msg_id, const void *param)
{
    board_led_toggle(BOARD_LED_2);
    switch (msg_id)
    {
        case APP_TEST_TIMER1_MSG:
        {
            LOG_INFO(TRACE_MODULE_APP | TRACE_NO_OPTION, "\r\n");
            LOG_INFO(TRACE_MODULE_APP, "TEST TIMER1\r\n");

#if CCA_TEST_EN
            // Power on radio
            power_on_radio(0, 1);
            phy_cca_start(1, phy_done_callback);
#else
            if (uwb_rx_done)
            {
                uwb_rx_done = 0;
                power_off_radio();

#if NBI_TEST_EN
                int32_t energy = phy_nb_energy_get();
                LOG_INFO(TRACE_MODULE_APP, "NB energy %d\r\n", energy);
#endif

                sts_lsp_store_stop();
                sts_lsp_store();

                uwb_rx(0, 0, 50000);
            }
#endif
        }
        break;

        case APP_TEST_TIMER2_MSG:
        {
            LOG_INFO(TRACE_MODULE_APP | TRACE_NO_OPTION, "\r\n");
            LOG_INFO(TRACE_MODULE_APP, "TEST TIMER2\r\n");

            if (uwb_tx_done)
            {
                uwb_tx_done = 0;
                power_off_radio();
                uwb_update_tx_payload(test_rounds++);

#if CSMACA_TEST_EN
                uint32_t target_time = phy_timer_count_get() + MS_TO_PHY_TIMER_COUNT(2);
                uwb_tx(tx_payload, tx_len, 2, target_time);
#else
                if (uwb_app_config.ppdu_params.sts_pkt_cfg == SP3)
                {
                    uwb_tx(NULL, 0, 0, 0);
                }
                else
                {
                    uwb_tx(tx_payload, tx_len, 0, 0);
                }
#endif
            }
        }
        break;

        case APP_DEBOUNCE_TIMER1_MSG:
        {
            if (gpio_pin_get_val(BOARD_SW_1))
            {
                return;
            }

            LOG_INFO(TRACE_MODULE_APP, "DEBOUNCE TIMER1\r\n");

            if (test_on_flag)
            {
                uwb_rx_force_off(0);
                uwb_rx_done = 1;
                board_led_off(BOARD_LED_1);
                test_on_flag = 0;
            }
            else
            {
                board_led_on(BOARD_LED_1);
                test_on_flag = 1;
            }
        }
        break;

        default:
            break;
    }
}

static void board_init(void)
{
    // Clock configuration
    board_clock_run();
    // Pin configuration
    board_pins_config();
    // Trace configuration
    board_debug_console_open(TRACE_PORT_UART0);
    // Reset reason
    reset_cause_get();
    reset_cause_clear();

    // Load calibration parameters from NVM
    uint32_t internal_flash = (REG_READ(0x40000018) >> 17) & 0x1;
    uint32_t external_flash = (REG_READ(0x40010030) >> 28) & 0x3;
    if (internal_flash || external_flash == 1)
    {
        WsfNvmInit();
        board_calibration_params_load();
        flash_close(FLASH_ID0);
    }
    else
    {
        board_calibration_params_default();
    }

    // Chip calibration
    calib_chip();

    // Configure IO_02 for role selection
    gpio_open();
    gpio_pin_set_dir(IO_PIN_2, GPIO_DIR_IN, 0);
    io_pull_set(IO_PIN_2, IO_PULL_UP, IO_PULL_UP_LEVEL1);

    board_led_init();
    board_button_init(GPIO_UserHandler);
    board_configure();
}

int main(void)
{
    // Initialize MCU system
    board_init();

    // Disable watchdog timer
    wdt_close(WDT_ID0);
    LOG_INFO(TRACE_MODULE_APP, "UWB TX/RX test\r\n");

    // Platform init for WSF
    PalSysInit();

    // Initialize os

    //
    // Set up timers for the WSF scheduler.
    //
    WsfOsInit();
    WsfTimerInit();
    sys_tick_callback_set(WsfTimerUpdateTicks);

    //
    // Initialize a buffer pool for WSF dynamic memory needs.
    //
    uint32_t wsfBufMemLen = WsfBufInit(WSF_BUF_POOLS, poolDescriptors);

    if (wsfBufMemLen > FREE_MEM_SIZE)
    {
        LOG_INFO(TRACE_MODULE_APP, "Memory pool is not enough %d\r\n", wsfBufMemLen - FREE_MEM_SIZE);
    }

    //
    // Create app task
    //
    wsfHandlerId_t handlerId = WsfOsSetNextHandler(app_handler);
    app_init(handlerId);

    // Create uwb task
    handlerId = WsfOsSetNextHandler(uwb_handler);
    uwb_init(handlerId);

    // set advanced parameters
    struct PHY_ADV_CONFIG_T adv_config =
    {
        .thres_fap_detect = 40,
        .nth_scale_factor = 4,
        .ranging_performance_mode = 0,
#if RX_ANT_PORTS_NUM == 4
        .skip_weakest_port_en = 1,
#else
        .skip_weakest_port_en = 0,
#endif
    };
    phy_adv_params_configure(&adv_config);

    // Initialize UWBS
    uwbs_init();
    uwbs_handler_init(NULL);
    uwb_app_config.ranging_flow_mode = (uint8_t)(RANGING_FLOW_NONE);
    uwb_app_config.session_param.tx_power_level = board_param.tx_power_fcc[CALIB_CH(uwb_app_config.ppdu_params.ch_num)];
    uwb_app_config.ppdu_params.rx_ant_id = (uint8_t)(RX_MAIN_ANT_PORT);

    // Initialize test session
    uint32_t session_id = 0x0000;
    uwbapi_session_init(session_id, SESSION_TYPE_DEVICE_TEST_MODE);

    // Initialize session parameters
    struct APP_CFG_PARAM_T param = {0};
    param.ch_num = UWB_CH_NUM;
    param.prf_mode = UWB_MEAN_PRF;
    param.preamble_code_index = UWB_PREAMBLE_CODE_IDX;
    param.preamble_duration = UWB_PREAMBLE_DURATION;
    param.sfd_id = UWB_SFD_ID;
    param.psdu_data_rate = UWB_PSDU_DATA_RATE;
    param.sts_segment_num = UWB_STS_SEGMENT_NUM;
    param.sts_segment_len = UWB_STS_SEGMENT_LEN;
    param.aoa_result_req = 0;
    param.rframe_config = UWB_RFRAME_TYPE;
    param.sts_config = STS_STATIC;
    param.ranging_round_usage = DS_TWR_DEFERRED;
    param.mac_address_mode = ARRD_SHORT_USE_SHORT;
    param.controlees_num = 1;
    param.multi_node_mode = UNICAST;
    param.result_report_config = 0x0F;
    param.ranging_round_control = 0x3;

    // Configure session parameters
    uwbapi_session_set_app_config(session_id, &param);

    if ((uwb_app_config.ppdu_params.sts_pkt_cfg == SP1) || (uwb_app_config.ppdu_params.sts_pkt_cfg == SP3))
    {
        struct UWB_STS_KEY_CONFIG_T sts_iv_key;
        sts_iv_key.sts_vcounter = 0x1F9A3DE4;
        sts_iv_key.sts_vupper0 = 0xD37EC3CA;
        sts_iv_key.sts_vupper1 = 0xC44FA8FB;
        sts_iv_key.sts_vupper2 = 0x362EEB34;
        sts_iv_key.sts_key0 = 0x14EB220F;
        sts_iv_key.sts_key1 = 0xF86050A8;
        sts_iv_key.sts_key2 = 0xD1D336AA;
        sts_iv_key.sts_key3 = 0x14148674;
        phy_sts_key_configure(&sts_iv_key);
        phy_rx_sts_switch_mode_set(uwb_app_config.ppdu_params.sts_pkt_cfg, STS_NEVER_SWITCH, 0, 0);
        aoa_param_config();
    }

#if 0
    // enable csi information output
    ranging_debug_csi_en_set(1);
#endif

    // Do the test
    if (gpio_pin_get_val(IO_PIN_2) == 0)
    {
        uwb_tx_test();
    }
    else
    {
        uwb_rx_test();
    }

    // Initialize low power mode
    power_init();

    power_mode_request(POWER_UNIT_USER, POWER_MODE_SLEEP);

    // Enable sleep timer
    sleep_timer_open(true, SLEEP_TIMER_MODE_ONESHOT, sleep_timer_callback);

    while (1)
    {
        wsfOsDispatcher();
        power_manage();
    }
}

void app_restore_from_power_down(void)
{
}