wolfMQTT/examples/mqttuart.c

113 lines
2.6 KiB
C

/* mqttuart.c
*
* Copyright (C) 2006-2026 wolfSSL Inc.
*
* This file is part of wolfMQTT.
*
* wolfMQTT is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* wolfMQTT is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
*/
/* Include the autoconf generated config.h */
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "wolfmqtt/mqtt_client.h"
#include "examples/mqttnet.h"
/* TODO: Add includes for UART HW */
/* Include the example code */
#include "examples/mqttexample.h"
/* this code is a template for using UART for communication */
#if 0
/* Local context for callbacks */
typedef struct _UartContext {
int uartPort;
/* TODO: Add any other context info you want */
} UartContext;
/* Private functions */
static int NetConnect(void *context, const char* host, word16 port,
int timeout_ms)
{
UartContext *uartCtx = (UartContext*)context;
(void)uartCtx;
return 0;
}
static int NetWrite(void *context, const byte* buf, int buf_len,
int timeout_ms)
{
UartContext *uartCtx = (UartContext*)context;
(void)uartCtx;
/* TODO: Implement write call to your UART HW */
return 0;
}
static int NetRead(void *context, byte* buf, int buf_len,
int timeout_ms)
{
UartContext *uartCtx = (UartContext*)context;
(void)uartCtx;
/* TODO: Implement read call to your UART HW */
return 0;
}
static int NetDisconnect(void *context)
{
UartContext *uartCtx = (UartContext*)context;
(void)uartCtx;
return 0;
}
/* Public Functions */
int MqttClientNet_Init(MqttNet* net, MQTTCtx* mqttCtx)
{
if (net) {
XMEMSET(net, 0, sizeof(MqttNet));
net->connect = NetConnect;
net->read = NetRead;
net->write = NetWrite;
net->disconnect = NetDisconnect;
net->context = WOLFMQTT_MALLOC(sizeof(UartContext));
}
(void)mqttCtx;
return 0;
}
int MqttClientNet_DeInit(MqttNet* net)
{
if (net) {
if (net->context) {
WOLFMQTT_FREE(net->context);
}
XMEMSET(net, 0, sizeof(MqttNet));
}
return 0;
}
#endif