/*
 * 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_uart.h"
#include "mk_trace.h"
#include "mk_reset.h"
#include "mk_calib.h"
#include "mk_wdt.h"
#include "mk_clock.h"
#include "libc_rom.h"

#include "board.h"

#define TEST_UART_POLL_MODE 0
#define TEST_UART_INTERUPT_MODE 1
#define TEST_UART_DMA_MODE 2
#define TEST_UART_MODE TEST_UART_POLL_MODE

#define TEST_PORT UART_ID1

static uint8_t trx_buf[10] = {'h', 'e', 'l', 'l', 'o'};
volatile static uint8_t tx_done = 0;
volatile static uint8_t rx_done = 0;

static void uart_receive_callback(void *dev, uint32_t err_code)
{
    rx_done = 1;
}

static void uart_send_callback(void *dev, uint32_t err_code)
{
    tx_done = 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, "UART example\r\n");

    gpio_open();
    board_configure();

    struct UART_CFG_T test_uart_cfg =
    {
        .parity = UART_PARITY_NONE,
        .stop = UART_STOP_BITS_1,
        .data = UART_DATA_BITS_8,
        .flow = UART_FLOW_CONTROL_NONE,
        .rx_level = UART_RXFIFO_CHAR_1,
        .tx_level = UART_TXFIFO_EMPTY,
        .baud = BAUD_921600,
#if (TEST_UART_MODE == TEST_UART_POLL_MODE)
        .dma_en = false,
        .int_rx = false,
        .int_tx = false,
#elif (TEST_UART_MODE == TEST_UART_INTERUPT_MODE)
        .dma_en = false,
        .int_rx = true,
        .int_tx = true,
#elif (TEST_UART_MODE == TEST_UART_DMA_MODE)
        .dma_en = true,
        .int_rx = false,
        .int_tx = false,
#endif
    };

    uart_open(TEST_PORT, &test_uart_cfg);
    uart_receive(TEST_PORT, trx_buf, 5, uart_receive_callback);

    uint8_t tmp_count = 0;
    while (1)
    {
        if (rx_done)
        {
            rx_done = 0;
            tmp_count += 1;
            trx_buf[5] = tmp_count;
            uart_send(TEST_PORT, trx_buf, 6, uart_send_callback);
        }
        if (tx_done)
        {
            tx_done = 0;
            uart_receive(TEST_PORT, trx_buf, 5, uart_receive_callback);
        }
    }
}