/*!
 * \file      i2c_software.c
 *
 * \brief     Target i2c software implementation
 *
 * \copyright Revised BSD License, see section \ref LICENSE.
 *
 * \code
 *
 *            _  __ _       ________    _
 *           | |/ /(_)___  / ____/ /_  (_)___
 *           |   // / __ \/ /   / __ \/ / __ \
 *          /   |/ / / / / /___/ / / / / /_/ /
 *         /_/|_/_/_/ /_/\____/_/ /_/_/ .___/
 *                                   /_/
 *           (C) 2022-2025 XinChip
 *
 * \endcode
 *
 * \author     ( XinChip ) Alex-J
 *
 * \author     ( XinChip )
 */

/*-----------------------------------------------------------------------------------
                                       INCLUDE HEADE FILES
 ------------------------------------------------------------------------------------*/
#include "i2c_software.h"
#include "xc_drv_sw_i2c.h"

/*------------------------------------------------------------------------------------
                                            Macros
 -------------------------------------------------------------------------------------*/

/*------------------------------------------------------------------------------------
                                         Global Variables
 -------------------------------------------------------------------------------------*/

/*------------------------------------------------------------------------------------
                                            Functions
 -------------------------------------------------------------------------------------*/
/**
 * @brief       i2c_software_demo
 * @details
 * @param       void
 * @retval      void
 */
void i2c_software_demo(void)
{
    uint8_t txbuff[512] = {"XINCHIP AT24C08 IIC TEST 20190507 . . . . . . . ."};
    uint8_t rxbuff[sizeof(txbuff)];
    i2c_software_init();

    for (int i = 0; i < sizeof(txbuff) / 2; i++) {
        txbuff[i] = i;
    }

    for (int i = sizeof(txbuff) / 2; i < sizeof(txbuff); i++) {
        txbuff[i] = sizeof(txbuff) - i - 1;
    }
    DEBUG("at24cxx_write\n");
    for (int i = 0; i < sizeof(txbuff); i++) {
        DEBUG("[%d-%d] ", i, txbuff[i]);
    }

    at24cxx_write_nbytes(0, (uint8_t *)txbuff, sizeof(txbuff));

    DEBUG("at24cxx_read\n");
    at24cxx_read_nbytes(0, rxbuff, sizeof(txbuff));

    for (int i = 0; i < sizeof(rxbuff); i++) {
        DEBUG("[%d-%d] ", i, rxbuff[i]);
        if (rxbuff[i] != txbuff[i]) {
            DEBUG("i2c test error\n");
            break;
        }
        if (i == sizeof(rxbuff) - 1) {
            DEBUG("i2c test ok\n");
        }
    }
}