remove space in the end of line

guowenxue

2022-04-14 c4207b25c7e2c90a3cb25af524c17d961face86c

 booster/comport.c

@@ -1,14 +1,14 @@
/*********************************************************************************
 *      Copyright:  (C) 2018 LingYun IoT System Studio
 *      Copyright:  (C) 2018 Guo Wenxue <guowenxue@gmail.com>
 *                  All rights reserved.
 *
 *       Filename:  cp_comport.c
 *    Description:  It's the comport operate library.
 *                  
 *
 *        Version:  2.0.0(10/17/2018~)
 *         Author:  Guo Wenxue <guowenxue@gmail.com>
 *      ChangeLog:  1, Release initial version on "10/17/2018 03:33:25 PM"
 *                  
 *
 ********************************************************************************/

#include    "comport.h"
@@ -21,10 +21,10 @@



/* 
/*
 *  description: Open the serial port
 *
 *   input args: $comport:  corresponding comport point 
 *   input args: $comport:  corresponding comport point
 *               $dev_name:  The comport device name path, such as '/dev/ttyS3'
 *               $baudrate:  The baudrate, such as 115200
 *               $settings:  The databit,parity,stopbit,flowctrl settings, such as '8N1N'
@@ -80,7 +80,7 @@
            goto CleanUp;
        }
    }
    else   
    else
    {
        rv = -5;
        goto CleanUp;
@@ -88,7 +88,7 @@

    if (0 != tcgetattr(comport->fd, &old_cfg))
    {
        rv = -6;          // Failed to get Com settings  
        rv = -6;          // Failed to get Com settings
        goto CleanUp;
    }

@@ -123,11 +123,11 @@
    /* Set the parity */
    switch (comport->parity)
    {
        case 0x01:               // Odd  
        case 0x01:               // Odd
            new_cfg.c_cflag |= (PARENB | PARODD);
            new_cfg.c_cflag |= (INPCK | ISTRIP);
            break;
        case 0x02:               // Even 
        case 0x02:               // Even
            new_cfg.c_cflag |= PARENB;
            new_cfg.c_cflag &= ~PARODD;;
            new_cfg.c_cflag |= (INPCK | ISTRIP);
@@ -153,7 +153,7 @@
    /* Set flow control */
    switch (comport->flowctrl)
    {
        case 1:                  // Software control 
        case 1:                  // Software control
        case 3:
            new_cfg.c_cflag &= ~(CRTSCTS);
            new_cfg.c_iflag |= (IXON | IXOFF);
@@ -171,12 +171,53 @@
    /* Set baudrate */
    switch (comport->baudrate)
    {
      /*  Upper is not POSIX(bits/termios-baud.h) */
      case 4000000:
         tmp = B4000000;
         break;
      case 3500000:
         tmp = B3500000;
         break;
      case 3000000:
         tmp = B3000000;
         break;
      case 2500000:
         tmp = B2500000;
         break;
      case 2000000:
         tmp = B2000000;
         break;
      case 1500000:
         tmp = B1500000;
         break;
      case 1152000:
         tmp = B1152000;
         break;
      case 1000000:
         tmp = B1000000;
         break;
      case 921600:
         tmp = B921600;
         break;
      case 576000:
         tmp = B576000;
         break;
      case 500000:
         tmp = B500000;
         break;
      case 460800:
         tmp = B460800;
         break;
      case 230400:
         tmp = B230400;
         break;
        case 115200:
            tmp = B115200;
            break;
        case 57600:
            tmp = B57600;
            break;
      /* Below is POSIX(bits/termios.h) */
        case 38400:
            tmp = B38400;
            break;
@@ -235,7 +276,7 @@
    tcflush(comport->fd, TCIFLUSH);
    if (0 != tcsetattr(comport->fd, TCSANOW, &new_cfg))
    {
        rv = -7;          // Failed to set device com port settings   
        rv = -7;          // Failed to set device com port settings
        goto CleanUp;
    }

@@ -251,8 +292,8 @@


/*
 *  description: close comport 
 *   input args: $comport:  corresponding comport point 
 *  description: close comport
 *   input args: $comport:  corresponding comport point
 */

void comport_close(comport_t *comport)
@@ -314,10 +355,10 @@
          {
             rv = -4;
             goto CleanUp;
          } 
          }
   
   left_bytes -= rv; 
   ptr += rv; 
   left_bytes -= rv;
   ptr += rv;
    }

    rv = 0;
@@ -366,21 +407,21 @@
        iRet = select(comport->fd + 1, &rdfds, 0, &exfds, &stTime);
        if (0 == iRet)
        {
            rv = 0;         
            rv = 0;
            goto CleanUp;
        }
        else if (0 < iRet)
        {
            if (0 != FD_ISSET(comport->fd, &exfds))
            {
                rv = -6;  
                rv = -6;
                COM_PRINT("Error checking recv status.\n");
                goto CleanUp;
            }

            if (0 == FD_ISSET(comport->fd, &rdfds))
            {
                rv = 0;  
                rv = 0;
                COM_PRINT("No incoming data.\n");
                goto CleanUp;
            }
@@ -390,12 +431,12 @@
            if (EINTR == errno)
            {
                COM_PRINT("catch interrupt signal.\n");
                rv = 0;  
                rv = 0;
            }
            else
            {
                COM_PRINT("Check recv status failure.\n");
                rv = -7;  
                rv = -7;
            }

            goto CleanUp;
@@ -439,7 +480,7 @@
/**************************************************************************************
 *  Description: Set the comport databit,parity,stopbit,flowctrl into the comport structure
 *   Input Args: comport: the comport_t pointer
 *               settings: The databit/parity/stopbit/flowctrl settings as like "8N1N" 
 *               settings: The databit/parity/stopbit/flowctrl settings as like "8N1N"
 *  Output Args: NONE
 * Return Value: NONE
 *************************************************************************************/