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/* USER CODE BEGIN Header */
/**
******************************************************************************
* @file app_netxduo.c
* @author MCD Application Team
* @brief NetXDuo applicative file
******************************************************************************
* @attention
*
* Copyright (c) 2021 STMicroelectronics.
* All rights reserved.
*
* This software is licensed under terms that can be found in the LICENSE file
* in the root directory of this software component.
* If no LICENSE file comes with this software, it is provided AS-IS.
*
******************************************************************************
*/
/* USER CODE END Header */
/* Includes ------------------------------------------------------------------*/
#include "app_netxduo.h"
/* Private includes ----------------------------------------------------------*/
/* USER CODE BEGIN Includes */
#include "main.h"
#include "nxd_dhcp_client.h"
#include "nx_web_http_server.h"
#include "app_filex.h"
#include "ux_api.h"
#include "ux_network_driver.h"
/* USER CODE END Includes */
/* Private typedef -----------------------------------------------------------*/
/* USER CODE BEGIN PTD */
/* Define the ThreadX , NetX and FileX object control blocks. */
/* Define Threadx global data structures. */
TX_THREAD Main_thread;
TX_SEMAPHORE Semaphore;
/* Define NetX global data structures. */
NX_PACKET_POOL EthPool;
NX_PACKET_POOL WebServerPool;
NX_IP EthIP;
NX_DHCP DHCPClient;
NX_WEB_HTTP_SERVER HTTPServer;
ULONG IPAddress;
ULONG NetMask;
/* Define FileX global data structures. */
/* the web server reads the web content from the uSD, a FX_MEDIA instance is required */
FX_MEDIA SDMedia;
uint32_t media_memory[512];
/* USER CODE END PTD */
/* Private define ------------------------------------------------------------*/
/* USER CODE BEGIN PD */
#define TOGGLE_GREEN_LED "led=ToggleGreen"
/* USER CODE END PD */
/* Private macro -------------------------------------------------------------*/
/* USER CODE BEGIN PM */
/* USER CODE END PM */
/* Private variables ---------------------------------------------------------*/
/* USER CODE BEGIN PV */
/* Set nx_server_pool */
static uint8_t nx_server_pool[SERVER_POOL_SIZE];
/* USER CODE END PV */
/* Private function prototypes -----------------------------------------------*/
/* USER CODE BEGIN PFP */
/* WEB HTTP server thread entry */
static void nx_server_thread_entry(ULONG thread_input);
/* DHCP state change notify callback */
static VOID ip_address_change_notify_callback(NX_IP *ip_instance, VOID *ptr);
/* Web Server callback when a new request from a web client is triggered */
static UINT webserver_request_notify_callback(NX_WEB_HTTP_SERVER *server_ptr,
UINT request_type, CHAR *resource,
NX_PACKET *packet_ptr);
/* USER CODE END PFP */
/**
* @brief Application NetXDuo Initialization.
* @param memory_ptr: memory pointer
* @retval int
*/
UINT MX_NetXDuo_Init(VOID *memory_ptr)
{
UINT ret = NX_SUCCESS;
TX_BYTE_POOL *byte_pool = (TX_BYTE_POOL*)memory_ptr;
/* USER CODE BEGIN MX_NetXDuo_MEM_POOL */
/* USER CODE END MX_NetXDuo_MEM_POOL */
/* USER CODE BEGIN MX_NetXDuo_Init */
/* Web App memory pointer. */
UCHAR *web_app_pointer;
/* Initialize the NetXDuo system. */
nx_system_initialize();
/* Allocate the web stack instance. */
ret = tx_byte_allocate(byte_pool, (VOID **) &web_app_pointer,
WEB_STACK_SIZE, TX_NO_WAIT);
/* Check web stack allocation */
if (ret != TX_SUCCESS)
{
printf("Web stack allocation failed: 0x%02x\n", ret);
Error_Handler();
}
/* Create the main thread. */
ret = tx_thread_create(&Main_thread, "Main_thread", nx_server_thread_entry,
ENTRY_INPUT, web_app_pointer, WEB_STACK_SIZE,
DEFAULT_PRIORITY, THREAD_PREEMPT_THRESHOLD,
TX_NO_TIME_SLICE, TX_AUTO_START);
/* Check Main Thread creation */
if (ret != TX_SUCCESS)
{
printf("Main Thread creation failed: 0x%02x\n", ret);
Error_Handler();
}
/* Allocate the packet pool. */
ret = tx_byte_allocate(byte_pool, (VOID **) &web_app_pointer,
NX_PACKET_POOL_SIZE, TX_NO_WAIT);
/* Check packet pool allocation */
if (ret != TX_SUCCESS)
{
printf("Packet pool allocation failed: 0x%02x\n", ret);
Error_Handler();
}
/* Create a packet pool. */
ret = nx_packet_pool_create(&EthPool, "NetX Main Packet Pool",
PACKET_PAYLOAD_SIZE, web_app_pointer,
NX_PACKET_POOL_SIZE);
/* Check for packet pool creation status. */
if (ret != NX_SUCCESS)
{
printf("Packed creation failed : 0x%02x\n", ret);
Error_Handler();
}
/* Create the server packet pool. */
ret = nx_packet_pool_create(&WebServerPool, "HTTP Server Packet Pool",
SERVER_PACKET_SIZE, nx_server_pool,
SERVER_POOL_SIZE);
/* Check for server pool creation status. */
if (ret != NX_SUCCESS)
{
printf("Server pool creation failed : 0x%02x\n", ret);
Error_Handler();
}
/* Allocate the IP instance. */
ret = tx_byte_allocate(byte_pool, (VOID **) &web_app_pointer,
IP_MEMORY_SIZE, TX_NO_WAIT);
/* Check for IP instance pool Allocation status. */
if (ret != NX_SUCCESS)
{
printf("IP instance Allocation failed : 0x%02x\n", ret);
Error_Handler();
}
/* Create an IP instance by linking the ux network driver */
ret = nx_ip_create(&EthIP, "NetX IP Instance 0", NULL_IP_ADDRESS,
NULL_IP_ADDRESS, &EthPool, _ux_network_driver_entry,
web_app_pointer, IP_MEMORY_SIZE, DEFAULT_PRIORITY);
/* Check the IP instance creation */
if (ret != NX_SUCCESS)
{
printf("IP Instance creation failed : 0x%02x\n", ret);
Error_Handler();
}
/* Allocate the arp cache memory. */
ret = tx_byte_allocate(byte_pool, (VOID **) &web_app_pointer,
ARP_CACHE_SIZE, TX_NO_WAIT);
/* Check the arp cache memory Allocation status. */
if (ret != NX_SUCCESS)
{
printf("IP instance Allocation failed : 0x%02x\n", ret);
Error_Handler();
}
/* Enable ARP and supply ARP cache memory for IP Instance 0. */
ret = nx_arp_enable(&EthIP, (void *) web_app_pointer, ARP_CACHE_SIZE);
/* Check the ARP instance activation */
if (ret != NX_SUCCESS)
{
printf("ARP Enable for IP error : 0x%02x\n", ret);
Error_Handler();
}
/* Enable the ICMP support to be able to ping the board */
ret = nx_icmp_enable(&EthIP);
/* Check the ICMP activation */
if (ret != NX_SUCCESS)
{
printf("ICMP enable for IP error : 0x%02x\n", ret);
Error_Handler();
}
/* Enable UDP support needed by DHCP client */
ret = nx_udp_enable(&EthIP);
/* Check UDP support activation */
if (ret != NX_SUCCESS)
{
printf("UDP enable for IP error : 0x%02x\n", ret);
Error_Handler();
}
/* Enable the TCP protocol */
ret = nx_tcp_enable(&EthIP);
/* Check the TCP activation */
if (ret != NX_SUCCESS)
{
printf("TCP enable for IP error : 0x%02x\n", ret);
Error_Handler();
}
/* Allocate the SERVER_STACK memory . */
ret = tx_byte_allocate(byte_pool, (VOID **) &web_app_pointer,
SERVER_STACK, TX_NO_WAIT);
/* Check the SERVER_STACK memory Allocation status. */
if (ret != NX_SUCCESS)
{
printf("Server stack Allocation failed : 0x%02x\n", ret);
Error_Handler();
}
/* Create the HTTP Server. */
ret = nx_web_http_server_create(&HTTPServer, "WEB HTTP Server", &EthIP,
CONNECTION_PORT, &SDMedia, web_app_pointer,
SERVER_STACK, &WebServerPool, NX_NULL,
webserver_request_notify_callback);
/* Check the web server creation */
if (ret != NX_SUCCESS)
{
printf("HTTP WEB Server creation failed: 0x%02x\n", ret);
Error_Handler();
}
/* Create the DHCP instance. */
ret = nx_dhcp_create(&DHCPClient, &EthIP, "dhcp_client");
/* Check the DHCP instance creation */
if (ret != NX_SUCCESS)
{
printf("DHCP Instance creation failed : 0x%02x\n", ret);
}
/* Register a callback function for ip notify */
ret = nx_ip_address_change_notify(&EthIP, ip_address_change_notify_callback,
NULL);
/* Check the callback function creation*/
if (ret != NX_SUCCESS)
{
Error_Handler();
}
/* Create semaphore */
ret = tx_semaphore_create(&Semaphore, "App Semaphore", 0);
/* Check semaphore creation */
if (ret != TX_SUCCESS)
{
printf("Semaphore creation failed : 0x%02x\n", ret);
Error_Handler();
}
/* USER CODE END MX_NetXDuo_Init */
return ret;
}
/* USER CODE BEGIN 1 */
/**
* @brief ip address change callback
* @param ip_instance : NX_IP instance registered for this callback
* @param ptr : VOID * optional data pointer
* @retval None
*/
static VOID ip_address_change_notify_callback(NX_IP *ip_instance, VOID *ptr)
{
/* as soon as the IP address is ready, the semaphore is released to let the web server start */
tx_semaphore_put(&Semaphore);
}
UINT webserver_request_notify_callback(NX_WEB_HTTP_SERVER *server_ptr,
UINT request_type, CHAR *resource,
NX_PACKET *packet_ptr)
{
CHAR request_data[256] = {0};
UINT request_size = 0;
UINT status;
/*
* At each new request we toggle the green led, but in a real use case this callback can serve
* to trigger more advanced tasks, like starting background threads or gather system info
* and append them into the web page.
*/
/* Get the requested data from packet */
status = nx_web_http_server_content_get(server_ptr, packet_ptr, 0,
request_data, 100, &request_size);
/* Check get data */
if (status == NX_SUCCESS)
{
/* Check if requested data equal TOGGLE_GREEN_LED */
if (strncmp((char const *)request_data, TOGGLE_GREEN_LED, sizeof(TOGGLE_GREEN_LED)) == 0)
{
BSP_LED_Toggle(LED_GREEN);
}
}
return NX_SUCCESS;
}
/**
* @brief Application thread for HTTP web server
* @param thread_input : thread input
* @retval None
*/
void nx_server_thread_entry(ULONG thread_input)
{
/* Sleep for 1s */
tx_thread_sleep(MS_TO_TICK(1000));
/* HTTP WEB SERVER THREAD Entry */
UINT status;
NX_PARAMETER_NOT_USED(thread_input);
printf("Starting DHCP client...\n");
/* Start the DHCP Client. */
status = nx_dhcp_start(&DHCPClient);
/* Check DHCP Client Starting status. */
if (status != NX_SUCCESS)
{
/* Print DHCP Instance creation error. */
printf("DHCP Instance Starting error : 0x%02x\n", status);
}
/* Check if the semaphore is released */
if (tx_semaphore_get(&Semaphore, TX_WAIT_FOREVER) != TX_SUCCESS)
{
Error_Handler();
}
/* Checks for errors in the IP address */
nx_ip_address_get(&EthIP, &IPAddress, &NetMask);
/* Log IP address */
PRINT_ADDRESS(IPAddress);
/* Log NetMask */
PRINT_ADDRESS(NetMask);
/* Open the SD disk driver. */
status = fx_media_open(&SDMedia, "STM32_SDIO_DISK", fx_stm32_sd_driver,
SD_DRIVER_INFO_POINTER, (VOID *) media_memory, sizeof(media_memory));
/* Check the media opening status. */
if (status != FX_SUCCESS)
{
/* Print Media Opening error. */
printf("FX media opening failed : 0x%02x\n", status);
/* Error, call error handler.*/
Error_Handler();
}
else
{
/* Print Media Opening Success. */
printf("Fx media successfully opened.\n");
}
/* Start the WEB HTTP Server. */
status = nx_web_http_server_start(&HTTPServer);
/* Check the WEB HTTP Server starting status. */
if (status != NX_SUCCESS)
{
/* Print HTTP WEB Server starting error. */
printf("HTTP WEB Server Starting Failed, error: 0x%02x\n", status);
/* Error, call error handler.*/
Error_Handler();
}
else
{
/* Print HTTP WEB Server Starting success. */
printf("HTTP WEB Server successfully started.\n");
}
}
/* USER CODE END 1 */