IoT Temperature Sensor Demo.

#include <string.h>
#include <ctype.h>
#include <stdio.h>
#include "asf.h"
#include "demo.h"
#include "driver/include/m2m_wifi.h"
#include "socket/include/socket.h"
#include "conf_winc.h"

Data Structures
struct	s_msg_temp_keepalive

struct	s_msg_temp_report

struct	s_msg_user_input
	Message format definitions. More...

Macros
#define	TEST_BUFFER_SIZE 1460
	Receive buffer definition. More...

Typedefs
typedef struct s_msg_temp_keepalive	t_msg_temp_keepalive

typedef struct s_msg_temp_report	t_msg_temp_report

typedef struct s_msg_user_input	t_msg_user_input
	Message format definitions. More...

Functions
static int32_t	button_press_duration (bool current_button_state)
	Get duration of the button pressed. More...

void	demo_start (void)
	Demo main function. More...

static void	demo_wifi_socket_handler (SOCKET sock, uint8 u8Msg, void *pvMsg)
	Callback to get the Data from socket. More...

static void	demo_wifi_state (uint8 u8MsgType, void *pvMsg)
	Callback to get the WiFi status update. More...

static void	parse_user_input (char *user_input)
	Parse user input data. More...

static void	print_provisioning_details (void)
	Print provisioning information. More...

Variables
tstrM2MAPConfig	ap_config
	Configure and enable access point mode with provisioning page. More...

static uint32_t	delay = 0
	Global counter delay for timer. More...

char	gacHttpProvDomainName [] = DEMO_WLAN_AP_DOMAIN_NAME

uint8	gau8HttpProvServerIP [] = DEMO_WLAN_AP_IP_ADDRESS

static uint8	gau8SocketTestBuffer [TEST_BUFFER_SIZE]

uint32_t	ms_ticks
	SysTick counter for non busy wait delay. More...

static t_msg_temp_keepalive	msg_temp_keepalive
	Message format declarations. More...

static t_msg_temp_report	msg_temp_report

char	provision_pwd [30]

char	provision_ssid [70]

static SOCKET	rx_socket = -1
	RX and TX socket descriptors. More...

static uint32_t	toggle_led_ms = 0
	Global counters for LED toggling. More...

static SOCKET	tx_socket = -1

char	user_credentials [108]

static t_msg_user_input	user_data

static volatile uint8	wifi_connected = 0
	WiFi status variable. More...

static uint8	wifi_provisioned = 1

#define TEST_BUFFER_SIZE 1460

Receive buffer definition.

Referenced by demo_wifi_socket_handler().

typedef struct s_msg_temp_keepalive t_msg_temp_keepalive

typedef struct s_msg_temp_report t_msg_temp_report

typedef struct s_msg_user_input t_msg_user_input

Message format definitions.

static int32_t button_press_duration ( bool current_button_state )

static

Get duration of the button pressed.

Returns: -1 if the button has not been released.

References ms_ticks.

Referenced by demo_start().

void demo_start ( void )

Demo main function.

References _htons, AF_INET, at30tse_init(), at30tse_read_temperature(), bind(), button_press_duration(), s_msg_user_input::channel, delay, delay_ms, DEMO_REPORT_INTERVAL, DEMO_SERVER_PORT, demo_wifi_socket_handler(), demo_wifi_state(), gacHttpProvDomainName, s_msg_temp_report::led, LED_0_PIN, M2M_SUCCESS, m2m_wifi_connect(), m2m_wifi_default_connect(), m2m_wifi_disable_ap(), m2m_wifi_handle_events(), m2m_wifi_init(), m2m_wifi_start_provision_mode(), ms_ticks, nm_bsp_init(), NULL, parse_user_input(), s_msg_user_input::password, tstrWifiInitParam::pfAppWifiCb, port_pin_get_input_level(), port_pin_get_output_level(), port_pin_toggle_output_level(), print_provisioning_details(), registerSocketCallback(), rx_socket, in_addr::s_addr, s_msg_user_input::security, sendto(), sockaddr_in::sin_addr, sockaddr_in::sin_family, sockaddr_in::sin_port, SOCK_DGRAM, socket(), socketInit(), s_msg_user_input::SSID, s_msg_temp_report::temp, toggle_led_ms, tx_socket, user_credentials, wifi_connected, and wifi_provisioned.

Referenced by main().

static void demo_wifi_socket_handler	(	SOCKET	sock,
		uint8	u8Msg,
		void *	pvMsg
	)

static

Callback to get the Data from socket.

Parameters

[in]	sock	socket handler.
[in]	u8Msg	socket event type. Possible values are: SOCKET_MSG_BIND SOCKET_MSG_LISTEN SOCKET_MSG_ACCEPT SOCKET_MSG_CONNECT SOCKET_MSG_RECV SOCKET_MSG_SEND SOCKET_MSG_SENDTO SOCKET_MSG_RECVFROM
[in]	pvMsg	is a pointer to message structure. Existing types are: tstrSocketBindMsg tstrSocketListenMsg tstrSocketAcceptMsg tstrSocketConnectMsg tstrSocketRecvMsg

References delay, DEMO_PRODUCT_NAME, gau8SocketTestBuffer, s_msg_temp_report::id0, s_msg_temp_report::id1, s_msg_temp_report::led, LED_0_PIN, s_msg_temp_report::name, port_pin_set_output_level(), tstrSocketRecvMsg::pu8Buffer, recvfrom(), rx_socket, tstrSocketRecvMsg::s16BufferSize, SOCK_ERR_TIMEOUT, SOCKET_MSG_BIND, SOCKET_MSG_RECVFROM, tstrSocketBindMsg::status, and TEST_BUFFER_SIZE.

Referenced by demo_start().

static void demo_wifi_state	(	uint8	u8MsgType,
		void *	pvMsg
	)

static

Callback to get the WiFi status update.

Parameters

[in]	u8MsgType	type of WiFi notification. Possible types are: M2M_WIFI_RESP_CURRENT_RSSI M2M_WIFI_RESP_CON_STATE_CHANGED M2M_WIFI_RESP_CONNTION_STATE M2M_WIFI_RESP_SCAN_DONE M2M_WIFI_RESP_SCAN_RESULT M2M_WIFI_REQ_WPS M2M_WIFI_RESP_IP_CONFIGURED M2M_WIFI_RESP_IP_CONFLICT M2M_WIFI_RESP_P2P M2M_WIFI_RESP_AP M2M_WIFI_RESP_CLIENT_INFO
[in]	pvMsg	A pointer to a buffer containing the notification parameters (if any). It should be casted to the correct data type corresponding to the notification type. Existing types are: tstrM2mWifiStateChanged tstrM2MWPSInfo tstrM2MP2pResp tstrM2MAPResp tstrM2mScanDone tstrM2mWifiscanResult

References tstrM2MConnInfo::acSSID, tstrM2MProvisionInfo::au8Password, tstrM2MProvisionInfo::au8SSID, s_msg_user_input::channel, gacHttpProvDomainName, LED_0_PIN, M2M_DEFAULT_CONN_EMPTY_LIST, M2M_DEFAULT_CONN_SCAN_MISMATCH, M2M_SUCCESS, M2M_WIFI_CH_ALL, m2m_wifi_connect(), M2M_WIFI_CONNECTED, M2M_WIFI_DISCONNECTED, m2m_wifi_get_connection_info(), M2M_WIFI_REQ_DHCP_CONF, m2m_wifi_request_dhcp_client(), M2M_WIFI_RESP_CON_STATE_CHANGED, M2M_WIFI_RESP_CONN_INFO, M2M_WIFI_RESP_DEFAULT_CONNECT, M2M_WIFI_RESP_PROVISION_INFO, M2M_WIFI_SEC_OPEN, m2m_wifi_start_provision_mode(), s_msg_user_input::password, port_pin_set_output_level(), print_provisioning_details(), provision_pwd, provision_ssid, tstrM2MDefaultConnResp::s8ErrorCode, s_msg_user_input::security, s_msg_user_input::SSID, tstrM2mWifiStateChanged::u8CurrState, tstrM2MProvisionInfo::u8SecType, tstrM2MProvisionInfo::u8Status, wifi_connected, and wifi_provisioned.

Referenced by demo_start().

static void parse_user_input ( char * user_input )

static

Parse user input data.

References s_msg_user_input::channel, DEFAULT_AUTH, DEFAULT_CHANNEL, DEFAULT_PWD, DEFAULT_SSID, NULL, s_msg_user_input::password, s_msg_user_input::security, and s_msg_user_input::SSID.

Referenced by demo_start().

static void print_provisioning_details ( void )

static

Print provisioning information.

References DEMO_WLAN_AP_NAME.

Referenced by demo_start(), and demo_wifi_state().

tstrM2MAPConfig ap_config

Initial value:

= {
    DEMO_WLAN_AP_NAME,          
    DEMO_WLAN_AP_CHANNEL,       
    DEMO_WLAN_AP_WEP_INDEX,     
    DEMO_WLAN_AP_WEP_SIZE,      
    DEMO_WLAN_AP_WEP_KEY,       
    DEMO_WLAN_AP_SECURITY,      
    DEMO_WLAN_AP_MODE,          
    DEMO_WLAN_AP_IP_ADDRESS
}

Configure and enable access point mode with provisioning page.

uint32_t delay = 0

static

Global counter delay for timer.

Referenced by demo_start(), and demo_wifi_socket_handler().

char gacHttpProvDomainName[] = DEMO_WLAN_AP_DOMAIN_NAME

Referenced by demo_start(), and demo_wifi_state().

uint8 gau8HttpProvServerIP[] = DEMO_WLAN_AP_IP_ADDRESS

uint8 gau8SocketTestBuffer[TEST_BUFFER_SIZE]

static

Referenced by demo_wifi_socket_handler().

uint32_t ms_ticks

SysTick counter for non busy wait delay.

Referenced by button_press_duration(), demo_start(), and SysTick_Handler().

t_msg_temp_keepalive msg_temp_keepalive

static

Initial value:

=
{
    .id0 = 0,
    .id1 = 1,
    .name = DEMO_PRODUCT_NAME,
    .type = 2,
}

Message format declarations.

t_msg_temp_report msg_temp_report

static

Initial value:

=
{
    .id0 = 0,
    .id1 = 2,
    .name = DEMO_PRODUCT_NAME,
    .led = 0,
    .temp = 0,
}

char provision_pwd[30]

Referenced by demo_wifi_state().

char provision_ssid[70]

Referenced by demo_wifi_state().

SOCKET rx_socket = -1

static

RX and TX socket descriptors.

Referenced by demo_start(), and demo_wifi_socket_handler().

uint32_t toggle_led_ms = 0

static

Global counters for LED toggling.

Referenced by demo_start().

SOCKET tx_socket = -1

static

Referenced by demo_start().

char user_credentials[108]

Referenced by demo_start().

t_msg_user_input user_data

static

volatile uint8 wifi_connected = 0

static

WiFi status variable.

Referenced by demo_start(), and demo_wifi_state().

uint8 wifi_provisioned = 1

static

Referenced by demo_start(), and demo_wifi_state().

Microchip® Advanced Software Framework

Data Structures

Macros

Typedefs

Functions

Variables