/***************************************************************************

 *                     I.MX6 Linux mipi配置数据合成

 * 声明：

 *     由于现有mipi配置数据不符合I.MX6的配置参数，需要将该参数进行数据转换，

 * 而这又涉及到对数据处理简单算法，主要是为了验证转换代码可靠性。

 *

 *                                       2015-12-24 深圳 南山平山村 曾剑锋

 **************************************************************************/

#include <stdio.h>

#include <string.h>

#include <unistd.h>

#define REGFLAG_DELAY            0XFFE

#define REGFLAG_END_OF_TABLE    0xFFF   // END OF REGISTERS MARKER

#define DSI_CMD_BUF_MAXSIZE        32

// 嵌入式产品数据存储可能涉及到的大小端

#define BIG_ENDIAN              1

#define LITTLE_ENDIAN            2

struct LCM_setting_table {

    unsigned cmd;

    unsigned char count;

    unsigned char para_list[];

};

static struct LCM_setting_table lcm_initialization_setting[] = {

    {0xB9,,{0xFF,0x83,0x94}},

    //Set MIPI

    {0xBA,,{0x63,0x03,0x68,0x6B,0xB2,0xC0}},

    //Set Power

    {0xB1,,{0x48,0x12,0x72,0x09,0x32,0x44,0x71,0x31,0x4F,0x35}},

    //Set Display

    {0xB2,,{0x65,0x80,0x64,0x05,0x07}},

    //Set CYC

    {0xB4,,{0x26,0x76,0x26,0x76,0x26,0x26,0x05,0x10,0x86,0x35,0x00,0x3F,0x26,0x76,0x26,0x76,0x26,0x26,0x05,0x10,0x86,0x3F,0x00,0xFF,0x81,0x81,0x81,0x81,0x08,0x01}},

    //Set D3

    {0xD3,,{0x00,0x00,0x0F,0x0F,0x01,0x01,0x10,0x10,0x32,0x10,0x00,0x00,0x00,0x32,0x15,0x04,0x05,0x04,0x32,0x15,0x14,0x05,0x14,0x37,0x33,0x04,0x04,0x37,0x00,0x00,0x47,0x05,0x40}},

    //Set GIP

    {0xD5,,{0x18,0x18,0x25,0x24,0x27,0x26,0x11,0x10,0x15,0x14,0x13,0x12,0x17,0x16,0x01,0x00,0x18,0x18,0x18,0x18,0x18,0x18,0x18,0x18,0x18,0x18,0x05,0x04,0x03,0x02,0x07,0x06,0x18,0x18,0x18,0x18,0x21,0x20,0x23,0x22,0x18,0x18,0x18,0x18}},

    //Set D6

    {0xD6,,{0x18,0x18,0x22,0x23,0x20,0x21,0x12,0x13,0x16,0x17,0x10,0x11,0x14,0x15,0x06,0x07,0x18,0x18,0x18,0x18,0x18,0x18,0x18,0x18,0x18,0x18,0x02,0x03,0x04,0x05,0x00,0x01,0x18,0x18,0x18,0x18,0x26,0x27,0x24,0x25,0x18,0x18,0x18,0x18}},

    //Set Gamma

    {0xE0,,{0x00,0x03,0x0B,0x0E,0x10,0x13,0x17,0x15,0x2D,0x3D,0x51,0x51,0x5E,0x75,0x7C,0x84,0x94,0x9A,0x98,0xA6,0xB2,0x57,0x57,0x5A,0x60,0x64,0x6A,0x72,0x7F,0x00,0x03,0x0B,0x0E,0x10,0x13,0x17,0x15,0x2D,0x3D,0x51,0x51,0x5E,0x75,0x7C,0x84,0x94,0x9A,0x98,0xA6,0xB2,0x57,0x57,0x5A,0x60,0x64,0x6A,0x72,0x7F}},

    //Set VCOM

    {0xB6,,{0x34,0x34}},

    //Set Panel

    {0xCC,,{0x0D}},

    //Set C0

    {0xC0,,{0x1F,0x31}},

    //Set D2

    {0xD2,,{0x88}},

    //Set EMI,0xenhance

    {0xD4,,{0x02}},

    //Set BD

    {0xBD,,{0x01}},

    //Set Power

    {0xB1,,{0x60}},

    //Set BD

    {0xBD,,{0x00}},

    //Set Power,0xOption,0xHX5186,0xMode

    {0x11,,    {}},

    {REGFLAG_DELAY, ,  {}},

    {0xBF,,{0x40,0x81,0x50,0x00,0x1A,0xFC,0x01}},

    {0x29,,    {}},

    {REGFLAG_DELAY, ,  {}},

    {REGFLAG_END_OF_TABLE, 0x00, {}}

};

/**

 * 合成数据

 *  1. buf：用于存储合成后的数据；

 *  2. pare_list：用于合成的数据源，是字节数据；

 *  3. count：调用当前函数时使用pare_list中的字节数；

 *  4. endianType：合成数据时采用大端、小端的那种。

 */

void compoundData(unsigned int *buf, unsigned char *para_list, int count, int endianType) {

    unsigned int tmp = ;

    int i = ;

    for ( i = ; i < count; i++ ) {

        tmp <<= ;

        switch ( endianType ) {

        case BIG_ENDIAN :

            tmp |= para_list[count-i-];

            break;

        default :

            tmp |= para_list[i];

            break;

        }

    }

    *buf = tmp;

}

static void push_table(struct LCM_setting_table *table, unsigned int count)

{

    int index = ;

    int err;

    int i, j;

    unsigned int buf[DSI_CMD_BUF_MAXSIZE] = {};

    for (i = ; i < count; i++) {

        printf("%02d | length: %03d |", i, table[i].count);

        unsigned cmd;

        cmd = table[i].cmd;

        switch (cmd) {

        case REGFLAG_DELAY :

            usleep(table[i].count);

            break;

        case REGFLAG_END_OF_TABLE :

            break;

        default:

            printf(" aliquot: %02d | 0x", (table[i].count)/);

            /**

             * 合成数据，buf是整形，每次合成para_list中4个字节。

             * 这部分的是合成能够被整除的那一部分的数据，后面对余下的那一部分再进行合成。

             */

            for ( j = ; j < ( (table[i].count)/ ); j++ ) {

                index = j * ;

                compoundData(buf + j, &(table[i].para_list[index]), , LITTLE_ENDIAN);

                //compoundData(buf + j, &(table[i].para_list[index]), 4, BIG_ENDIAN);

                //控制输出数据格式。

                printf("%08x", buf[j]);

            }

            /**

             * 接下来对4取余的余数进行合成

             */

            index = j * ;

            int remainder = table[i].count - index;

            if (  remainder !=  ) {

                compoundData(buf + j, &(table[i].para_list[index]), table[i].count - index, LITTLE_ENDIAN);

                //compoundData(buf + j, &(table[i].para_list[index]), table[i].count - index, BIG_ENDIAN);

                //控制输出数据格式。

                switch ( remainder ) {

                case :

                    printf("%02x", buf[j]);

                    break;

                case :

                    printf("%04x", buf[j]);

                    break;

                case :

                    printf("%06x", buf[j]);

                    break;

                }

            }

            // 对buf进行清空，对下次数据合成造成影响。

            bzero(buf, DSI_CMD_BUF_MAXSIZE);

            //memset(buf, 0, DSI_CMD_BUF_MAXSIZE);

            break;

        }

        printf("\n\r");

    }

}

int main( int argc, char** argv )

{

    push_table(lcm_initialization_setting, sizeof(lcm_initialization_setting) / sizeof(struct LCM_setting_table));

}

/**

 * 输出结果：

 *     00 | length: 003 | aliquot: 00 | 0xff8394

 *     01 | length: 006 | aliquot: 01 | 0x6303686bb2c0

 *     02 | length: 010 | aliquot: 02 | 0x48127209324471314f35

 *     03 | length: 005 | aliquot: 01 | 0x6580640507

 *     04 | length: 030 | aliquot: 07 | 0x26762676262605108635003f2676267626260510863f00ff818181810801

 *     05 | length: 033 | aliquot: 08 | 0x00000f0f0101101032100000003215040504321514051437330404370000470540

 *     06 | length: 044 | aliquot: 11 | 0x1818252427261110151413121716010018181818181818181818050403020706181818182120232218181818

 *     07 | length: 044 | aliquot: 11 | 0x1818222320211213161710111415060718181818181818181818020304050001181818182627242518181818

 *     08 | length: 058 | aliquot: 14 | 0x00030b0e101317152d3d51515e757c84949a98a6b257575a60646a727f00030b0e101317152d3d51515e757c84949a98a6b257575a60646a727f

 *     09 | length: 002 | aliquot: 00 | 0x3434

 *     10 | length: 001 | aliquot: 00 | 0x0d

 *     11 | length: 002 | aliquot: 00 | 0x1f31

 *     12 | length: 001 | aliquot: 00 | 0x88

 *     13 | length: 001 | aliquot: 00 | 0x02

 *     14 | length: 001 | aliquot: 00 | 0x01

 *     15 | length: 001 | aliquot: 00 | 0x60

 *     16 | length: 001 | aliquot: 00 | 0x00

 *     17 | length: 001 | aliquot: 00 | 0x00

 *     18 | length: 150 |

 *     19 | length: 007 | aliquot: 01 | 0x408150001afc01

 *     20 | length: 001 | aliquot: 00 | 0x00

 *     21 | length: 050 |

 *     22 | length: 000 |

 *

 *     shell returned 23

 *

 *     Press ENTER or type command to continue

 */