/*****************************************************************************
 * Copyright (c) 2019, Nations Technologies Inc.
 *
 * All rights reserved.
 * ****************************************************************************
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * - Redistributions of source code must retain the above copyright notice,
 * this list of conditions and the disclaimer below.
 *
 * Nations' name may not be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * DISCLAIMER: THIS SOFTWARE IS PROVIDED BY NATIONS "AS IS" AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
 * DISCLAIMED. IN NO EVENT SHALL NATIONS 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.
 * ****************************************************************************/

/**
 * @file main.c
 * @author Nations
 * @version v1.0.0
 *
 * @copyright Copyright (c) 2019, Nations Technologies Inc. All rights reserved.
 */

#include <rtthread.h>
#include "drv_gpio.h"
#include "pin.h"

#ifdef RT_USING_DFS
/* dfs filesystem:ELM filesystem init */
#include <dfs_elm.h>
/* dfs Filesystem APIs */
#include <dfs_fs.h>
#endif

#ifdef RT_USING_RTGUI
#include <rtgui/rtgui.h>
#include <rtgui/rtgui_server.h>
#include <rtgui/rtgui_system.h>
#include <rtgui/driver.h>
#include <rtgui/calibration.h>
#endif

ALIGN(RT_ALIGN_SIZE)
static rt_uint8_t test0_stack[ 512 ], test1_stack[ 2048 ];

static struct rt_thread test0_thread;
static struct rt_thread test1_thread;

struct rt_event system_event;

#define SYS_EVENT_UART_RX_FINISH    0x00000001 /* UART receive data finish event */

typedef enum
{
    FAILED = 0,
    PASSED = !FAILED
} TestStatus;

TestStatus Buffercmp8bit(uint8_t* pBuffer, uint8_t* pBuffer1, uint16_t BufferLength);
TestStatus Buffercmp16bit(uint16_t* pBuffer, uint16_t* pBuffer1, uint16_t BufferLength);
TestStatus Buffercmp32bit(uint32_t* pBuffer, uint32_t* pBuffer1, uint16_t BufferLength);
TestStatus TransferStatus1 = FAILED, TransferStatus2 = PASSED;;

#define LED0_PIN        GET_PIN(B,  10)
#define LED1_PIN        GET_PIN(B,  15)


/* Receive data callback function */
static rt_err_t uart_input(rt_device_t dev, rt_size_t size)
{
    rt_event_send(&system_event, SYS_EVENT_UART_RX_FINISH);
    return RT_EOK;
}

/**
 * @brief  test0 thread entry
 */
static void test0_thread_entry(void* parameter)
{
    while(1)
    {
        rt_thread_delay(25);    //delay 250ms
        rt_pin_write(LED1_PIN, PIN_HIGH);
        rt_thread_delay(25);    //delay 250ms
        rt_pin_write(LED1_PIN, PIN_LOW);
    }
}

/**
 * @brief  test1 thread entry
 */
static void test1_thread_entry(void* parameter)
{
    rt_device_t uart_dev;
    uint8_t data[30] = {0};
    uint8_t data1[30] = {0};
    uint16_t i = 0;
    uint16_t data_length = 0;
    rt_uint32_t sys_event_recv = 0;
    
    uart_dev = rt_device_find("usart3");
    rt_device_open(uart_dev, RT_DEVICE_FLAG_INT_RX);
    /* Set the interrupt callback function */
    rt_device_set_rx_indicate(uart_dev, uart_input);
    
    for(i=0;i<sizeof(data);i++)
    {
        data[i]=i+1;
    }
    if(RT_EOK == rt_device_open(uart_dev, RT_DEVICE_FLAG_INT_RX))
    {
       rt_device_write(uart_dev, RT_NULL, data, sizeof(data)); 
    }
    while(1)
    {
        rt_thread_delay(50);
        /* wait uart get data event */
        if(RT_EOK == rt_event_recv(&system_event, SYS_EVENT_UART_RX_FINISH, RT_EVENT_FLAG_OR | RT_EVENT_FLAG_CLEAR, 10, &sys_event_recv))
        {
            data_length = rt_device_read(uart_dev, RT_NULL, data1, RT_SERIAL_RB_BUFSZ);
            rt_device_write(uart_dev, RT_NULL, data1, data_length); 
        }   
    }
}

#ifdef RT_USING_RTGUI
rt_bool_t cali_setup(void)
{
    rt_kprintf("cali setup entered\n");
    return RT_FALSE;
}

void cali_store(struct calibration_data *data)
{
    rt_kprintf("cali finished (%d, %d), (%d, %d)\n",
               data->min_x,
               data->max_x,
               data->min_y,
               data->max_y);
}
#endif /* RT_USING_RTGUI */

/**
 * @brief  Main program
 */
int main(void)
{
    rt_err_t result;

    rt_pin_mode(LED1_PIN, PIN_MODE_OUTPUT);
    
    /* init uart_rx_event */
    result = rt_event_init(&system_event, "event", RT_IPC_FLAG_FIFO);
    if (result != RT_EOK)
    {
        rt_kprintf("init event failed.\n");
    }  

    /* init test0 thread */
    result = rt_thread_init(&test0_thread, "test0", test0_thread_entry, RT_NULL, (rt_uint8_t*)&test0_stack[0], sizeof(test0_stack), 4, 5);
    if (result == RT_EOK)
    {
        rt_thread_startup(&test0_thread);
    }
    /* init test1 thread */
    result = rt_thread_init(&test1_thread, "test1", test1_thread_entry, RT_NULL, (rt_uint8_t*)&test1_stack[0], sizeof(test1_stack), 5, 5);
    if (result == RT_EOK)
    {
        rt_thread_startup(&test1_thread);
    }

    while(1)
    {
        rt_thread_delay(50);
    }
}

/**
 * @brief  Compares two buffers.
 * @param  pBuffer, pBuffer1: buffers to be compared.
 * @param BufferLength buffer's length
 * @return PASSED: pBuffer identical to pBuffer1
 *         FAILED: pBuffer differs from pBuffer1
 */
TestStatus Buffercmp8bit(uint8_t* pBuffer, uint8_t* pBuffer1, uint16_t BufferLength)
{
    while (BufferLength--)
    {
        if (*pBuffer != *pBuffer1)
        {
            return FAILED;
        }

        pBuffer++;
        pBuffer1++;
    }

    return PASSED;
}

/**
 * @brief  Compares two buffers.
 * @param  pBuffer, pBuffer1: buffers to be compared.
 * @param BufferLength buffer's length
 * @return PASSED: pBuffer identical to pBuffer1
 *         FAILED: pBuffer differs from pBuffer1
 */
TestStatus Buffercmp16bit(uint16_t* pBuffer, uint16_t* pBuffer1, uint16_t BufferLength)
{
    while (BufferLength--)
    {
        if (*pBuffer != *pBuffer1)
        {
            return FAILED;
        }

        pBuffer++;
        pBuffer1++;
    }

    return PASSED;
}

/**
 * @brief  Compares two buffers.
 * @param  pBuffer, pBuffer1: buffers to be compared.
 * @param BufferLength buffer's length
 * @return PASSED: pBuffer identical to pBuffer1
 *         FAILED: pBuffer differs from pBuffer1
 */
TestStatus Buffercmp32bit(uint32_t* pBuffer, uint32_t* pBuffer1, uint16_t BufferLength)
{
    while (BufferLength--)
    {
        if (*pBuffer != *pBuffer1)
        {
            return FAILED;
        }

        pBuffer++;
        pBuffer1++;
    }

    return PASSED;
}



/*@}*/
