//********串口发送数据***************************************
void Send_data(uchar axis,uchar data[])
{
int i;
USART2_SendData(axis);
USART2_SendData(':');
for(i=0;i<4;i++)
USART2_SendData(data[i]);
USART2_SendData(' ');
}
/**
* @brief EDP数据包发送
* @param buffer: 要发送的数据缓冲区地址
* @param len: 要发送的数据缓长度
* @param sockfd：兼容linux socket api: STM32下无意义
* @retval 发送的数据长度
**/
int32_t DoSend(int32_t sockfd, const uint8_t *buffer, uint32_t len)
{
USART2_SendData((uint8_t *)(buffer), len);
/* wululu test print send bytes */
hexdump((const uint8_t *)buffer, len);
return len;
}
static int MqttSample_SendPkt(void *arg, const struct iovec *iov, int iovcnt)
{
int bytes = 0;
int i = 0, j = 0;
struct iovec *tmp;
memset(send_buf, 0, MAX_MQTT_LEN);
for(i = 0; i < iovcnt; i++)
{
tmp = (struct iovec *)(&iov[i]);
bytes += tmp->iov_len;
}
if(bytes > MAX_MQTT_LEN)
{
printf("%s too much data to send\n", __func__);
return -1;
}
for(i = 0; i < iovcnt; i++)
{
tmp = (struct iovec *)(&iov[i]);
memcpy(send_buf + j, (unsigned char *)(tmp->iov_base), tmp->iov_len);
j += tmp->iov_len;
}
printf("\r\n*****bytes=%d******\r\n",bytes);
for(i=0;i<bytes;i++)
{
printf("0x%x ",send_buf[i]);
}
printf("\r\n*********\r\n");
bytes = USART2_SendData(send_buf, bytes);
return bytes;
}
