Function http_recv

bsp/efm32/httpd.c:119–200

Private function prototypes -----------------------------------------------*/ Private functions ---------------------------------------------------------*/ This is the callback function that is called * when a TCP segment has arrived in the connection. */

/* This is the callback function that is called
 * when a TCP segment has arrived in the connection. */
static err_t http_recv(void *arg, struct tcp_pcb *pcb, struct pbuf *p, err_t err)
{
  static unsigned char temp_var = 0;
  unsigned short       counter, i;
  char                 *rq;
  /* If we got a NULL pbuf in p, the remote end has closed
   * the connection. */
  if (p != NULL)
  {
    /* The payload pointer in the pbuf contains the data
     * in the TCP segment. */
    rq = p->payload;
    /* Check if the request was an HTTP "GET / HTTP/1.1". */
    if (rq[0] == 'G' && rq[1] == 'E' && rq[2] == 'T')
    {
      /* Send the web page to the remote host. A zero
       * in the last argument means that the data should
       * not be copied into internal buffers. */

      counter = 0;

      for (i = 0; i < sizeof(indexdata1) - 1; i++)
      {
        indexdata[counter] = indexdata1[i];
        counter++;
      }

      indexdata[counter] = ' ';
      counter++;

      /*Copy page counter MSB*/
      indexdata[counter] = temp_var / 10 + 0x30;
      counter++;

      /*Copy page counter LSB*/
      indexdata[counter] = temp_var % 10 + 0x30;
      counter++;

      temp_var++;
      if (temp_var > 100) temp_var = 1;

      for (i = 0; i < sizeof(indexdata2) - 1; i++)
      {
        indexdata[counter] = indexdata2[i];
        counter++;
      }

      vdd = rt_hw_get_vdd();
      rt_sprintf(&indexdata[counter], "%1d.%02d", vdd / 100, vdd % 100);
      counter += 4;

      for (i = 0; i < sizeof(indexdata3) - 1; i++)
      {
        indexdata[counter] = indexdata3[i];
        counter++;
      }

      temp = rt_hw_get_temp();