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

volatile static uint32_t dma_status = 0;
volatile static uint32_t dma_done = 0;
static void dma_callback(void *ch, uint32_t err_code)
{
    uint8_t ch_num = *(uint8_t *)ch;
    LOG_INFO(TRACE_MODULE_APP, "DMA channel %d status %d\r\n", ch_num, err_code);
    dma_status = err_code;
    dma_done = 1;
}

static void dma_abort_callback(void *ch, uint32_t err_code)
{
    uint8_t ch_num = *(uint8_t *)ch;
    LOG_INFO(TRACE_MODULE_APP, "DMA channel %d abort status %d\r\n", ch_num, err_code);
    dma_status = err_code;
    dma_done = 1;
}

static struct DMA_CH_CFG_T usr_dma_ch_cfg = {
    .fifo_th = DMA_FIFO_TH_1,
    .src_burst_size = DMA_SRC_BURST_SIZE_1,
    .src_width = DMA_WIDTH_1B,
    .dst_width = DMA_WIDTH_1B,
    .src_addr_ctrl = DMA_ADDR_INC,
    .dst_addr_ctrl = DMA_ADDR_INC,
    .src_req_sel = DMA_REQ_MEM,
    .dst_req_sel = DMA_REQ_MEM,
};

static uint8_t __attribute__((aligned(4))) src_buf[10] = {0};
static uint8_t __attribute__((aligned(4))) dst_buf[10] = {0};

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, "DMA example\r\n");

    gpio_open();
    board_configure();

    for (uint16_t i = 0; i < sizeof(src_buf); i++)
    {
        src_buf[i] = i & 0xff;
    }

    dma_open(DMA_CH0, &usr_dma_ch_cfg);

    dma_transfer(DMA_CH0, src_buf, dst_buf, sizeof(src_buf), dma_callback);

    while (dma_done == 0)
    {
    }

    dma_done = 0;

    if (dma_status == DMA_INT_TYPE_ERROR)
    {
        LOG_INFO(TRACE_MODULE_APP, "DMA transfer error\r\n");
    }
    else
    {
        LOG_INFO(TRACE_MODULE_APP, "DMA transfer done\r\n");

        for (int i = 0; i < 10; i++)
        {
            if (src_buf[i] != dst_buf[i])
            {
                LOG_INFO(TRACE_MODULE_APP, "DMA transfer data mismatch\r\n");
                break;
            }
        }
    }

    for (uint16_t i = 0; i < sizeof(src_buf); i++)
    {
        src_buf[i] = 0xff;
    }

    dma_transfer(DMA_CH0, src_buf, dst_buf, sizeof(src_buf), dma_callback);

    dma_abort(DMA_CH0, dma_abort_callback);

    while (dma_done == 0)
    {
    }

    if (dma_status == DMA_INT_TYPE_ABORT)
    {
        LOG_INFO(TRACE_MODULE_APP, "DMA transfer abort\r\n");
        for (int i = 0; i < 10; i++)
        {
            if (src_buf[i] != dst_buf[i])
            {
                LOG_INFO(TRACE_MODULE_APP, "%x bytes were transferred before the dma aborted\r\n", i);
                break;
            }
        }
    }
    else
    {
        LOG_INFO(TRACE_MODULE_APP, "DMA transfer done\r\n");
    }

    dma_close(DMA_CH0);

    LOG_INFO(TRACE_MODULE_APP, "End of DMA example project\r\n");
    while (1)
    {
    }
}