csu3_am335x/EVSE/Projects/DM30/Apps/PrimaryComm.c

#include <sys/time.h>
#include <sys/timeb.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <sys/ioctl.h>
#include <sys/socket.h>
#include <sys/ipc.h>
#include <sys/shm.h>
#include <sys/shm.h>
#include <sys/mman.h>
#include <linux/wireless.h>
#include <arpa/inet.h>
#include <netinet/in.h>

#include <unistd.h>
#include <stdarg.h>
#include <stdio.h>      /*標準輸入輸出定義*/
#include <stdlib.h>     /*標準函數庫定義*/
#include <unistd.h>     /*Unix 標準函數定義*/
#include <fcntl.h>      /*檔控制定義*/
#include <termios.h>    /*PPSIX 終端控制定義*/
#include <errno.h>      /*錯誤號定義*/
#include <errno.h>
#include <string.h>
#include <time.h>
#include <ctype.h>
#include <ifaddrs.h>
#include <math.h>
#include "PrimaryComm.h"

#define PASS                1
#define FAIL                -1

struct Address Addr={0x01,0x02,0x03,0x04,0xFF};
struct Command Cmd={0x01,0x02,0x0a,0x86,0x87,0xe0,0xe1,0xe2,0xe3};

int tranceive(int fd, unsigned char* cmd, unsigned char cmd_len, unsigned char* rx)
{
    int len;
    //sleep(2); //required to make flush work, for some reason
    tcflush(fd,TCIOFLUSH);
    if(write(fd, cmd, cmd_len) >= cmd_len)
    {
        usleep(50000);
        len = read(fd, rx, 512);
    }
    else
    {
        #ifdef SystemLogMessage
        DEBUG_ERROR("Serial command %s response fail.\n", cmd);
        #endif
    }

    return len;
}

unsigned char Query_FW_Ver(unsigned char fd, unsigned char targetAddr, Ver *Ret_Buf)
{
    unsigned char result = FAIL;
    unsigned char tx[7] = {0xaa, 0x00, targetAddr, Cmd.query_FW_Ver, 0x00, 0x00, 0x00};
    unsigned char rx[512];
    unsigned char chksum = 0x00;
    unsigned char len = tranceive(fd, tx, sizeof(tx), rx);

    if(len > 0)
    {
        for(int idx = 0; idx < (rx[4] | rx[5]<<8); idx++)
        {
            chksum ^= rx[6+idx];
        }

        if((chksum == rx[6+(rx[4] | rx[5]<<8)]) &&
           (rx[2] == tx[1]) &&
           (rx[1] == tx[2]) &&
           (rx[3] == tx[3]))
        {
            memcpy(Ret_Buf->Version_FW, (char *)rx+6, (rx[4] | rx[5]<<8));
            *(Ret_Buf->Version_FW + 8) = 0x00;
            result = PASS;
        }
    }

    return result;
}

unsigned char Query_HW_Ver(unsigned char fd, unsigned char targetAddr, Ver *Ret_Buf)
{
    unsigned char result = FAIL;
    unsigned char tx[7] = {0xaa, 0x00, targetAddr, Cmd.query_HW_Ver, 0x00, 0x00, 0x00};
    unsigned char rx[512];
    unsigned char chksum = 0x00;

    if(tranceive(fd, tx, sizeof(tx), rx) >0)
    {
        for(int idx = 0;idx<(rx[4] | rx[5]<<8);idx++)
        {
            chksum ^= rx[6+idx];
        }

        if((chksum == rx[6+(rx[4] | rx[5]<<8)]) &&
           (rx[2] == tx[1]) &&
           (rx[1] == tx[2]) &&
           (rx[3] == tx[3]))
        {
            memcpy(Ret_Buf->Version_HW, (char *)rx+6, (rx[4] | rx[5]<<8));
            //*(Ret_Buf->Version_HW + 8) = 0x00;
            result = PASS;
        }
    }

    return result;
}

unsigned char Query_Gpio_Input(unsigned char fd, unsigned char targetAddr, Gpio_in *Ret_Buf)
{
    unsigned char result = FAIL;
    unsigned char tx[7] = {0xaa, 0x00, targetAddr, Cmd.query_Gpio_In, 0x00, 0x00, 0x00};
    unsigned char rx[512];
    unsigned char chksum = 0x00;
    unsigned char len = tranceive(fd, tx, sizeof(tx), rx);

    if(len > 0)
    {
        for (int idx = 0; idx < (rx[4] | rx[5] << 8); idx++)
        {
            chksum ^= rx[6+idx];
        }

        if((chksum == rx[6+(rx[4] | rx[5]<<8)]) &&
           (rx[2] == tx[1]) &&
           (rx[1] == tx[2]) &&
           (rx[3] == tx[3]))
        {
            Ret_Buf->AC_Connector       = (rx[6] >> 0) & 0x01;
            Ret_Buf->AC_MainBreaker     = (rx[6] >> 1) & 0x01;
            Ret_Buf->SPD                = (rx[6] >> 2) & 0x01;
            Ret_Buf->Door_Open          = (rx[6] >> 3) & 0x01;
            Ret_Buf->GFD[0]             = (rx[6] >> 4) & 0x01;
            Ret_Buf->GFD[1]             = (rx[6] >> 5) & 0x01;
            Ret_Buf->AC_Drop            = (rx[6] >> 6) & 0x01;
            Ret_Buf->Emergency_IO       = (rx[6] >> 7) & 0x01;

            Ret_Buf->Emergency_Btn      = (rx[7] >> 0) & 0x01;
            Ret_Buf->Button[0]          = (rx[7] >> 1) & 0x01;
            Ret_Buf->Button[1]          = (rx[7] >> 2) & 0x01;
            Ret_Buf->Key[0]             = (rx[7] >> 3) & 0x01;
            Ret_Buf->Key[1]             = (rx[7] >> 4) & 0x01;
            Ret_Buf->Key[2]             = (rx[7] >> 5) & 0x01;
            Ret_Buf->Key[3]             = (rx[7] >> 6) & 0x01;

            result = PASS;
        }
    }

    return result;
}

unsigned char Config_Gpio_Output(unsigned char fd, unsigned char targetAddr, Gpio_out *Set_Buf)
{
    unsigned char result = FAIL;
    unsigned char tx[9] = {0xaa, 0x00, targetAddr, Cmd.config_Gpio_Output, 0x01, 0x00, 0x00, 0x00};
    unsigned char rx[512];
    unsigned char chksum = 0x00;

    for (int idx = 0; idx < 2; idx++)
        tx[6] |= (Set_Buf->Button_LED[idx] ? 0x01:0x00) << (0+idx);

    for (int idx = 0; idx < 4; idx++)
        tx[6] |= (Set_Buf->System_LED[idx] ? 0x01:0x00) << (2+idx);

    tx[6] |= (Set_Buf->AC_Connector ? 0x01:0x00) << 6;
    tx[6] |= (Set_Buf->AC_Breaker ? 0x01:0x00) << 7;

    for (int idx = 0; idx < (tx[4] | tx[5] << 8); idx++)
        chksum ^= tx[6+idx];

    tx[7] = chksum;

    if (tranceive(fd, tx, sizeof(tx), rx) > 0)
    {
        chksum = 0x00;
        for(int idx=0;idx<(rx[4] | rx[5]<<8);idx++)
        {
            chksum ^= rx[6+idx];
        }

        if((chksum == rx[6+(rx[4] | rx[5]<<8)]) &&
           (rx[2] == tx[1]) &&
           (rx[1] == tx[2]) &&
           (rx[3] == tx[3]) &&
           (rx[6] == tx[6]))
        {
            result = PASS;
        }
    }

    return result;
}

unsigned char Config_Rtc_Data(unsigned char fd, unsigned char targetAddr, Rtc *Set_Buf)
{
    unsigned char result = FAIL;
    unsigned char tx[21] = {0xaa, 0x00, targetAddr, Cmd.config_Rtc_Data, 0x0E, 0x00, Set_Buf->RtcData[0], Set_Buf->RtcData[1],
                            Set_Buf->RtcData[2], Set_Buf->RtcData[3], Set_Buf->RtcData[4], Set_Buf->RtcData[5], Set_Buf->RtcData[6], Set_Buf->RtcData[7],
                            Set_Buf->RtcData[8], Set_Buf->RtcData[9], Set_Buf->RtcData[10], Set_Buf->RtcData[11], Set_Buf->RtcData[12], Set_Buf->RtcData[13]};
    unsigned char rx[512];
    unsigned char chksum = 0x00;

    for (int idx = 0; idx < (tx[4] | tx[5] << 8); idx++)
        chksum ^= tx[6 + idx];

    tx[20] = chksum;

    if (tranceive(fd, tx, sizeof(tx), rx) > 0)
    {
        chksum = 0x00;
        for (int idx = 0; idx < (rx[4] | rx[5] << 8); idx++)
        {
            chksum ^= rx[6 + idx];
        }

        if((chksum == rx[6+(rx[4] | rx[5]<<8)]) &&
           (rx[2] == tx[1]) &&
           (rx[1] == tx[2]) &&
           (rx[3] == tx[3]) &&
           (rx[6] == tx[6]))
        {
            result = PASS;
        }
    }

    return result;
}

unsigned char Update_Start(unsigned char fd, unsigned char targetAddr, unsigned int crc32)
{
    unsigned char result = FAIL;
    unsigned char tx[11] = {0xaa, 0x00, targetAddr, Cmd.update_Start, 0x04, 0x00, (crc32>>0)&0xff, (crc32>>8)&0xff, (crc32>>16)&0xff, (crc32>>24)&0xff, 0x00};
    unsigned char rx[512];
    unsigned char chksum = 0x00;

    for (int idx = 0; idx < (tx[4] | tx[5] << 8); idx++)
        chksum ^= tx[6+idx];

    tx[10] = chksum;

    if(tranceive(fd, tx, sizeof(tx), rx) > 0)
    {
        chksum = 0x00;
        for(int idx=0;idx<(rx[4] | rx[5]<<8);idx++)
        {
            chksum ^= rx[6+idx];
        }

        if((chksum == rx[6+(rx[4] | rx[5]<<8)]) &&
           (rx[2] == tx[1]) &&
           (rx[1] == tx[2]) &&
           (rx[3] == tx[3]) &&
           (rx[6] == 0x00))
        {
            result = PASS;
        }
    }

    return result;
}

unsigned char Update_Abord(unsigned char fd, unsigned char targetAddr)
{
    unsigned char result = FAIL;
    unsigned char tx[7] = {0xaa, 0x00, targetAddr, Cmd.update_Start, 0x04, 0x00, 0x00};
    unsigned char rx[512];
    unsigned char chksum = 0x00;

    if(tranceive(fd, tx, sizeof(tx), rx) >0)
    {
        for(int idx=0;idx<(rx[4] | rx[5]<<8);idx++)
        {
            chksum ^= rx[6+idx];
        }

        if((chksum == rx[6+(rx[4] | rx[5]<<8)]) &&
           (rx[2] == tx[1]) &&
           (rx[1] == tx[2]) &&
           (rx[3] == tx[3]) &&
           (rx[6] == 0x00))
        {
            result = PASS;
        }
    }

    return result;
}

unsigned char Update_Transfer(unsigned char fd, unsigned char targetAddr, unsigned int startAddr, unsigned char *data, unsigned short int length)
{
    unsigned char result = FAIL;
    unsigned char tx[11 + length];
    unsigned char rx[512];
    unsigned char chksum = 0x00;

    tx[0] = 0xaa;
    tx[1] = 0x00;
    tx[2] = targetAddr;
    tx[3] = Cmd.update_Transfer;
    tx[4] = (4 + length) & 0xff;
    tx[5] = ((4 + length)>>8) & 0xff;
    tx[6] = (startAddr>>0) & 0xff;
    tx[7] = (startAddr>>8) & 0xff;
    tx[8] = (startAddr>>16) & 0xff;
    tx[9] = (startAddr>>24) & 0xff;
    memcpy(tx+10, data, length);

    for (int idx = 0; idx < (tx[4] | tx[5] << 8); idx++)
        chksum ^= tx[6+idx];

    tx[sizeof(tx)-1] = chksum;

    if(tranceive(fd, tx, sizeof(tx), rx) >0)
    {
        for(int idx=0;idx<(rx[4] | rx[5]<<8);idx++)
        {
            chksum ^= rx[6+idx];
        }

        if((chksum == rx[6+(rx[4] | rx[5]<<8)]) &&
           (rx[2] == tx[1]) &&
           (rx[1] == tx[2]) &&
           (rx[3] == tx[3]) &&
           (rx[6] == 0x00))
        {
            result = PASS;
        }
    }

    return result;
}

unsigned char Update_Finish(unsigned char fd, unsigned char targetAddr)
{
    unsigned char result = FAIL;
    unsigned char tx[7] = {0xaa, 0x00, targetAddr, Cmd.update_Finish, 0x04, 0x00, 0x00};
    unsigned char rx[512];
    unsigned char chksum = 0x00;

    if(tranceive(fd, tx, sizeof(tx), rx) >0)
    {
        for(int idx=0;idx<(rx[4] | rx[5]<<8);idx++)
        {
            chksum ^= rx[6+idx];
        }

        if((chksum == rx[6+(rx[4] | rx[5]<<8)]) &&
           (rx[2] == tx[1]) &&
           (rx[1] == tx[2]) &&
           (rx[3] == tx[3]) &&
           (rx[6] == 0x00))
        {
            result = PASS;
        }
    }

    return result;
}