demo.c File Reference

IOT QTouch Sensor Demo.

Copyright (c) 2016-2018 Microchip Technology Inc. and its subsidiaries.

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

Data Structures
struct	s_msg_touch_keepalive
struct	s_msg_touch_report
struct	s_msg_user_input

Macros
#define	GET_MUTLCAP_ROTOR_SLIDER_POSITION(ROTOR_SLIDER_NUMBER)
#define	GET_MUTLCAP_SENSOR_STATE(SENSOR_NUMBER)
#define	IMU_RX_TIMEOUT   8000
	Message format definitions. More...
#define	IMU_TX_KEEPALIVE_DELAY   1000
#define	LED_0_PIN   PIN_PB00
	Discrete LED output pin definitions. More...
#define	LED_1_PIN   PIN_PB01
#define	LED_2_PIN   PIN_PB02
#define	LED_3_PIN   PIN_PB03
#define	LED_4_PIN   PIN_PA05
#define	LED_5_PIN   PIN_PA06
#define	LED_6_PIN   PIN_PA04
#define	LED_7_PIN   PIN_PA07
#define	LED_8_PIN   PIN_PA22
#define	LED_9_PIN   PIN_PA23
#define	LED_B_PIN   PIN_PA17
#define	LED_G_PIN   PIN_PB15
#define	LED_R_PIN   PIN_PB14
	RGB LED output pin definitions. More...
#define	TEST_BUFFER_SIZE   1460
	Receive buffer definition. More...
#define	TIME_PERIOD_1MSEC   33u
	RTC Interrupt timing definition. More...

Typedefs
typedef struct s_msg_touch_keepalive	t_msg_touch_keepalive
typedef struct s_msg_touch_report	t_msg_touch_report
typedef struct s_msg_user_input	t_msg_user_input

Functions
static int32_t	button_press_duration (uint8_t button_state)
static void	configure_port_pins (void)
	Port pin configuration / assignments. More...
static void	configure_rtc_callbacks (void)
	Configure the RTC timer callback. More...
static void	configure_rtc_count (void)
	Configure the RTC timer count after which interrupts comes. More...
void	demo_start (void)
	Demo main function. More...
static uint32_t	isSubStr (uint8_t *buf, uint32_t len, uint8_t *msg, uint32_t msglen)
static void	m2m_wifi_socket_handler (SOCKET sock, uint8 u8Msg, void *pvMsg)
	Callback to get the Data from socket. More...
static void	m2m_wifi_state (uint8 u8MsgType, void *pvMsg)
	Callback to get the WiFi status update. More...
static void	parse_user_input (char *user_input)
static void	print_provisioning_details (void)
static void	rtc_overflow_callback (void)
static void	timer_init (void)
	Initialize timer. More...

Variables
tstrM2MAPConfig	ap_config
static uint32_t	connected = 0
static uint32_t	delay = 0
	Global counter delay for timer. More...
static uint32_t	delay_clt_keepalive = 0
static uint32_t	delay_srv_keepalive = 0
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_touch_keepalive	msg_touch_keepalive
	Message format declarations. More...
static t_msg_touch_report	msg_touch_report
char	provision_pwd [30]
char	provision_ssid [70]
volatile uint8_t	PWM_Count
const uint8_t	PWM_RGB_values [64][3]
static struct sockaddr_in	remote_addr
uint8_t	rotor_position
uint8_t	rotor_state
	Variables. More...
struct rtc_module	rtc_instance
static SOCKET	rx_socket = -1
	RX and TX socket handlers. More...
static uint32_t	toggle_led_ms = 0
	Global counters for LED toggling. More...
volatile uint16_t	touch_time_counter = 0u
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 GET_MUTLCAP_ROTOR_SLIDER_POSITION

(

ROTOR_SLIDER_NUMBER

)

Value:

p_mutlcap_measure_data->p_rotor_slider_values[ \
        ROTOR_SLIDER_NUMBER]

Referenced by demo_start(), and rtc_overflow_callback().

#define GET_MUTLCAP_SENSOR_STATE

(

SENSOR_NUMBER

)

Value:

p_mutlcap_measure_data-> \
    p_sensor_states[(SENSOR_NUMBER / \
    8)] & (1 << (SENSOR_NUMBER % 8))

Referenced by demo_start().

#define IMU_RX_TIMEOUT   8000

Message format definitions.

Referenced by demo_start().

#define IMU_TX_KEEPALIVE_DELAY   1000

Referenced by demo_start().

#define LED_0_PIN   PIN_PB00

Discrete LED output pin definitions.

Referenced by configure_port_pins(), and demo_start().

#define LED_1_PIN   PIN_PB01

Referenced by configure_port_pins(), and demo_start().

#define LED_2_PIN   PIN_PB02

Referenced by configure_port_pins(), and demo_start().

#define LED_3_PIN   PIN_PB03

Referenced by configure_port_pins(), and demo_start().

#define LED_4_PIN   PIN_PA05

Referenced by configure_port_pins(), and demo_start().

#define LED_5_PIN   PIN_PA06

Referenced by configure_port_pins(), and demo_start().

#define LED_6_PIN   PIN_PA04

Referenced by configure_port_pins(), and demo_start().

#define LED_7_PIN   PIN_PA07

Referenced by configure_port_pins(), and demo_start().

#define LED_8_PIN   PIN_PA22

Referenced by configure_port_pins(), and demo_start().

#define LED_9_PIN   PIN_PA23

Referenced by configure_port_pins(), and demo_start().

#define LED_B_PIN   PIN_PA17

Referenced by configure_port_pins(), demo_start(), and rtc_overflow_callback().

#define LED_G_PIN   PIN_PB15

Referenced by configure_port_pins(), demo_start(), and rtc_overflow_callback().

#define LED_R_PIN   PIN_PB14

RGB LED output pin definitions.

Referenced by configure_port_pins(), demo_start(), and rtc_overflow_callback().

#define TEST_BUFFER_SIZE   1460

Receive buffer definition.

Referenced by m2m_wifi_socket_handler().

#define TIME_PERIOD_1MSEC   33u

RTC Interrupt timing definition.

Referenced by timer_init().

typedef struct s_msg_touch_keepalive t_msg_touch_keepalive

typedef struct s_msg_touch_report t_msg_touch_report

typedef struct s_msg_user_input t_msg_user_input

static int32_t button_press_duration ( uint8_t  button_state )

static

References ms_ticks.

Referenced by demo_start().

static void configure_port_pins ( void  )

static

Port pin configuration / assignments.

References port_config::direction, LED_0_PIN, LED_1_PIN, LED_2_PIN, LED_3_PIN, LED_4_PIN, LED_5_PIN, LED_6_PIN, LED_7_PIN, LED_8_PIN, LED_9_PIN, LED_B_PIN, LED_G_PIN, LED_R_PIN, port_get_config_defaults(), PORT_PIN_DIR_OUTPUT, and port_pin_set_config().

Referenced by demo_start().

static void configure_rtc_callbacks ( void  )

static

Configure the RTC timer callback.

References RTC_COUNT_CALLBACK_OVERFLOW, rtc_count_enable_callback(), rtc_count_register_callback(), rtc_instance, and rtc_overflow_callback().

Referenced by timer_init().

static void configure_rtc_count ( void  )

static

Configure the RTC timer count after which interrupts comes.

References rtc_count_config::continuously_update, rtc_count_config::mode, rtc_count_config::prescaler, rtc_count_enable(), rtc_count_get_config_defaults(), rtc_count_init(), RTC_COUNT_MODE_16BIT, RTC_COUNT_PRESCALER_DIV_1, and rtc_instance.

Referenced by timer_init().

void demo_start

(

void

)

Demo main function.

Initialize timer.

Initialize QTouch library and configure touch sensors.

Configure port pins

Turn off all extension board LEDs

Start touch sensor measurement, if touch_time.time_to_measure_touch flag is set by timer.

Get touch sensor states

Clear all slider controlled LEDs

If slider is activated

Parse slider position

References _htons, AF_INET, s_msg_touch_report::b1_state, s_msg_touch_report::b2_state, bind(), button_press_duration(), s_msg_user_input::channel, configure_port_pins(), connected, delay, delay_clt_keepalive, delay_ms, delay_srv_keepalive, delay_us, DEMO_REPORT_INTERVAL, DEMO_SERVER_PORT, gacHttpProvDomainName, GET_MUTLCAP_ROTOR_SLIDER_POSITION, GET_MUTLCAP_SENSOR_STATE, IMU_RX_TIMEOUT, IMU_TX_KEEPALIVE_DELAY, LED_0_PIN, LED_1_PIN, LED_2_PIN, LED_3_PIN, LED_4_PIN, LED_5_PIN, LED_6_PIN, LED_7_PIN, LED_8_PIN, LED_9_PIN, LED_B_PIN, LED_G_PIN, LED_R_PIN, M2M_SUCCESS, m2m_wifi_connect(), m2m_wifi_default_connect(), m2m_wifi_disable_ap(), m2m_wifi_handle_events(), m2m_wifi_init(), m2m_wifi_socket_handler(), m2m_wifi_start_provision_mode(), m2m_wifi_state(), tag_touch_measure_data_t::measurement_done_touch, ms_ticks, nm_bsp_init(), NULL, p_mutlcap_measure_data, parse_user_input(), s_msg_user_input::password, tstrWifiInitParam::pfAppWifiCb, port_pin_set_output_level(), print_provisioning_details(), PWM_Count, registerSocketCallback(), remote_addr, s_msg_touch_report::rot_position, s_msg_touch_report::rot_state, rotor_position, rotor_state, rx_socket, in_addr::s_addr, s_msg_user_input::security, sendto(), setsockopt(), sockaddr_in::sin_addr, sockaddr_in::sin_family, sockaddr_in::sin_port, s_msg_touch_report::sl_pos, s_msg_touch_report::sl_state, SO_SET_UDP_SEND_CALLBACK, SOCK_DGRAM, socket(), socketInit(), SOL_SOCKET, s_msg_user_input::SSID, timer_init(), toggle_led_ms, touch_sensors_init(), touch_sensors_measure(), tx_socket, user_credentials, wifi_connected, and wifi_provisioned.

Referenced by main().

static uint32_t isSubStr ( uint8_t *  buf, uint32_t  len, uint8_t *  msg, uint32_t  msglen  )

static

Referenced by m2m_wifi_socket_handler().

static void m2m_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 connected, delay_srv_keepalive, gau8SocketTestBuffer, isSubStr(), ms_ticks, tstrSocketRecvMsg::pu8Buffer, recvfrom(), remote_addr, rx_socket, tstrSocketRecvMsg::s16BufferSize, in_addr::s_addr, sockaddr_in::sin_addr, SOCK_ERR_TIMEOUT, SOCKET_MSG_BIND, SOCKET_MSG_RECVFROM, tstrSocketBindMsg::status, tstrSocketRecvMsg::strRemoteAddr, and TEST_BUFFER_SIZE.

Referenced by demo_start().

static void m2m_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, 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, 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

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

References DEMO_WLAN_AP_NAME.

Referenced by demo_start(), and m2m_wifi_state().

static void rtc_overflow_callback ( void  )

static

References tag_touch_time_t::current_time_ms, GET_MUTLCAP_ROTOR_SLIDER_POSITION, LED_B_PIN, LED_G_PIN, LED_R_PIN, tag_touch_time_t::measurement_period_ms, port_pin_set_output_level(), PWM_Count, PWM_RGB_values, rotor_position, rotor_state, tag_touch_time_t::time_to_measure_touch, touch_time, and touch_time_counter.

Referenced by configure_rtc_callbacks().

static void timer_init ( void  )

static

Initialize timer.

References configure_rtc_callbacks(), configure_rtc_count(), rtc_count_set_period(), rtc_instance, and TIME_PERIOD_1MSEC.

Referenced by demo_start().

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     
}

uint32_t connected = 0

static

Referenced by demo_start(), and m2m_wifi_socket_handler().

uint32_t delay = 0

static

Global counter delay for timer.

Referenced by demo_start().

uint32_t delay_clt_keepalive = 0

static

Referenced by demo_start().

uint32_t delay_srv_keepalive = 0

static

Referenced by demo_start(), and m2m_wifi_socket_handler().

char gacHttpProvDomainName[] = DEMO_WLAN_AP_DOMAIN_NAME

Referenced by demo_start(), and m2m_wifi_state().

uint8 gau8HttpProvServerIP[] = DEMO_WLAN_AP_IP_ADDRESS

uint8 gau8SocketTestBuffer[TEST_BUFFER_SIZE]

static

Referenced by m2m_wifi_socket_handler().

uint32_t ms_ticks

SysTick counter for non busy wait delay.

SysTick counter for non busy wait delay.

Referenced by button_press_duration(), demo_start(), m2m_wifi_socket_handler(), and SysTick_Handler().

t_msg_touch_keepalive msg_touch_keepalive

static

Initial value:

=
{
    .id0 = 0,
    .id1 = 1,
    .name = DEMO_PRODUCT_NAME,
    .type = 4,
}

Message format declarations.

t_msg_touch_report msg_touch_report

static

Initial value:

=
{
    .id0 = 0,
    .id1 = 6,
    .name = DEMO_PRODUCT_NAME,
}

char provision_pwd[30]

Referenced by m2m_wifi_state().

char provision_ssid[70]

Referenced by m2m_wifi_state().

volatile uint8_t PWM_Count

Referenced by demo_start(), and rtc_overflow_callback().

const uint8_t PWM_RGB_values[64][3]

Referenced by rtc_overflow_callback().

struct sockaddr_in remote_addr

static

Referenced by demo_start(), and m2m_wifi_socket_handler().

uint8_t rotor_position

Referenced by demo_start(), and rtc_overflow_callback().

uint8_t rotor_state

Variables.

Referenced by demo_start(), and rtc_overflow_callback().

struct rtc_module rtc_instance

Referenced by configure_rtc_callbacks(), configure_rtc_count(), and timer_init().

SOCKET rx_socket = -1

static

RX and TX socket handlers.

Referenced by demo_start(), and m2m_wifi_socket_handler().

uint32_t toggle_led_ms = 0

static

Global counters for LED toggling.

Referenced by demo_start().

volatile uint16_t touch_time_counter = 0u

Referenced by rtc_overflow_callback().

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 m2m_wifi_state().

uint8 wifi_provisioned = 1

static

Referenced by demo_start(), and m2m_wifi_state().