sam/applications/same70_xplained_demo/main.c File Reference

SAME70 Weather Client Demo Example.

Copyright (c) 2015-2018 Microchip Technology Inc. and its subsidiaries.

#include "asf.h"
#include "image.h"
#include "main_wifi.h"
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include "bsp/include/nm_bsp.h"
#include "driver/include/m2m_wifi.h"
#include "socket/include/socket.h"

Macros
#define	ASCII_BS   0x7F
	ASCII char definition for backspace. More...
#define	ASCII_CR   13
	ASCII char definition for carriage return. More...
#define	STRING_EOL   "\r\n"
#define	STRING_HEADER

Functions
static void	configure_console (void)
	Configure UART console. More...
void	configure_rtt (void)
	RTT configuration function. More...
void	ili9488_draw_number (uint32_t ul_x, uint32_t ul_y, uint8_t index)
void	ili9488_draw_temperature (uint32_t ul_x, uint32_t ul_y, char *temperature)
int	main (void)
	Main application function. More...
static uint8_t	parse_weather_icon (char *pcWeather)
static void	refresh_display ()
static void	resolve_cb (uint8_t *hostName, uint32_t hostIp)
	Callback function of IP address. More...
void	RTT_Handler (void)
	Interrupt handler for the RTT. More...
static void	socket_cb (SOCKET sock, uint8_t u8Msg, void *pvMsg)
	Callback function of TCP client socket. More...
static void	wifi_cb (uint8_t u8MsgType, void *pvMsg)
	Callback to get the Wi-Fi status update. More...
void	wifi_connect (void)
static void	wifi_handle_events (void)
static void	wifi_init (void)
void	wifi_recieve_packet (void)
static void	wifi_require_weather (char *city_name)

Variables
bool	city_is_sha = true
bool	display_is_sha = true
struct ili9488_opt_t	g_ili9488_display_opt
uint32_t	g_ul_sec_ticks = 0
static uint8_t	gau8ReceivedBuffer [MAIN_WIFI_M2M_BUFFER_SIZE] = {0}
	Receive buffer definition. More...
static bool	gbConnectedWifi = false
	Wi-Fi status variable. More...
static bool	gbContinueReceive = false
	Continue Receive status variable. More...
static bool	gbFinishedGetWeather = false
	Weather client status variable. More...
static bool	gbHostIpByName = false
	Get host IP status variable. More...
static bool	gbRequireWeather = false
static bool	gbTcpConnection = false
	TCP Connection status variable. More...
static char	gcWeatherInfo [2048] = {0}
uint32_t	gu32HostIp = 0
	IP address of host. More...
char *	gWeatherIcon [4]
const uint8_t	mark [11] = {'S', 'A', 'M', 'E','7', '0', 'D', 'E', 'M','O'}
char *	pcCity = NULL
char *	pcTemperature = NULL
char *	pcWeather = NULL
static char	server_host_name [] = MAIN_WEATHER_SERVER_NAME
	Server host name. More...
static SOCKET	tcp_client_socket = -1
	TCP client socket handlers. More...
char	Temperature_seoul [30]
char	Temperature_sha [30]
uint8_t	ucWeatherNum = 0
uint8_t	ucWeatherNum_seoul
uint8_t	ucWeatherNum_sha
char	Weather_seoul [30]
char	Weather_sha [30]

#define ASCII_BS   0x7F

ASCII char definition for backspace.

Referenced by wifi_connect().

#define ASCII_CR   13

ASCII char definition for carriage return.

Referenced by wifi_connect().

#define STRING_EOL   "\r\n"

#define STRING_HEADER

Value:

"-- SAME70 Weather Client Demo --"STRING_EOL    \
    "-- "BOARD_NAME " --"STRING_EOL \
    "-- Compiled: "__DATE__ " "__TIME__ " --"STRING_EOL

Referenced by main().

static void configure_console ( void  )

static

Configure UART console.

References uart_rs232_options::baudrate, stdio_serial_init(), and sysclk_enable_peripheral_clock().

Referenced by main().

void configure_rtt

(

void

)

RTT configuration function.

Configure the RTT to generate a one second tick, which triggers the RTTINC interrupt.

References rtt_enable_interrupt(), and rtt_init().

Referenced by resolve_cb().

void ili9488_draw_number	(	uint32_t	ul_x,
		uint32_t	ul_y,
		uint8_t	index
	)

References ili9488_draw_pixel(), and p_uc_numberset48x48.

Referenced by ili9488_draw_temperature().

void ili9488_draw_temperature	(	uint32_t	ul_x,
		uint32_t	ul_y,
		char *	temperature
	)

References ili9488_draw_number().

Referenced by refresh_display().

int main

(

void

)

Main application function.

Initialize system, UART console, network then start weather client.

Returns

Program return value.

References _htons, AF_INET, ili9488_opt_t::background_color, board_init(), city_is_sha, COLOR_BLACK, COLOR_CONVERT, COLOR_WHITE, configure_console(), connect(), display_is_sha, ili9488_opt_t::foreground_color, g_ili9488_display_opt, g_ul_sec_ticks, gbConnectedWifi, gbFinishedGetWeather, gbHostIpByName, gbRequireWeather, gbTcpConnection, gImage_atmel_18bit, gu32HostIp, ili9488_draw_filled_rectangle(), ili9488_draw_pixmap(), ili9488_draw_string(), ili9488_init(), ILI9488_LCD_HEIGHT, ILI9488_LCD_WIDTH, ili9488_set_foreground_color(), IOPORT_DIR_INPUT, ioport_init(), IOPORT_MODE_PULLUP, ioport_set_pin_dir(), ioport_set_pin_mode(), MAIN_SERVER_PORT, refresh_display(), in_addr::s_addr, sockaddr_in::sin_addr, sockaddr_in::sin_family, sockaddr_in::sin_port, SOCK_ERR_NO_ERROR, SOCK_STREAM, socket(), STRING_HEADER, sysclk_init(), tcp_client_socket, ili9488_opt_t::ul_height, ili9488_opt_t::ul_width, wifi_connect(), wifi_handle_events(), wifi_init(), wifi_recieve_packet(), and wifi_require_weather().

static uint8_t parse_weather_icon ( char *  pcWeather )

static

References NULL, and pcWeather.

Referenced by wifi_recieve_packet().

static void refresh_display ( void  )

static

References COLOR_BLACK, COLOR_CONVERT, COLOR_WHITE, display_is_sha, gImage_seoul, gImage_shanghai, gWeatherIcon, ili9488_draw_filled_rectangle(), ili9488_draw_pixmap(), ili9488_draw_string(), ili9488_draw_temperature(), ILI9488_LCD_HEIGHT, ILI9488_LCD_WIDTH, ili9488_set_foreground_color(), Temperature_seoul, Temperature_sha, ucWeatherNum_seoul, ucWeatherNum_sha, Weather_seoul, and Weather_sha.

Referenced by main().

static void resolve_cb ( uint8_t *  hostName, uint32_t  hostIp  )

static

Callback function of IP address.

Parameters

[in]	hostName	Domain name.
[in]	hostIp	Server IP.

Returns

None.

References configure_rtt(), gbHostIpByName, gu32HostIp, and IPV4_BYTE.

Referenced by wifi_init().

void RTT_Handler

(

void

)

Interrupt handler for the RTT.

Display the current time on the terminal.

References g_ul_sec_ticks, and rtt_get_status().

static void socket_cb ( SOCKET  sock, uint8_t  u8Msg, void *  pvMsg  )

static

Callback function of TCP client socket.

Parameters

[in]	sock	socket handler.
[in]	u8Msg	Type of Socket notification
[in]	pvMsg	A structure contains notification informations.

Returns

None.

References close(), g_ul_sec_ticks, gbFinishedGetWeather, gbRequireWeather, gbTcpConnection, gcWeatherInfo, tstrSocketRecvMsg::pu8Buffer, tstrSocketRecvMsg::s16BufferSize, tstrSocketConnectMsg::s8Error, SOCK_ERR_NO_ERROR, SOCKET_MSG_CONNECT, SOCKET_MSG_RECV, and tcp_client_socket.

Referenced by wifi_init().

static void wifi_cb ( uint8_t  u8MsgType, void *  pvMsg  )

static

Callback to get the Wi-Fi status update.

Parameters

[in]	u8MsgType	Type of Wi-Fi notification.
[in]	pvMsg	A pointer to a buffer containing the notification parameters.

Returns

None.

References gbConnectedWifi, gethostbyname(), M2M_WIFI_CONNECTED, M2M_WIFI_DISCONNECTED, M2M_WIFI_REQ_DHCP_CONF, m2m_wifi_request_dhcp_client(), M2M_WIFI_RESP_CON_STATE_CHANGED, server_host_name, tstrM2mWifiStateChanged::u8CurrState, and wifi_connect().

Referenced by wifi_init().

void wifi_connect

(

void

)

References ASCII_BS, ASCII_CR, COLOR_BLACK, COLOR_CONVERT, FLASH_ACCESS_MODE_128, flash_init(), FLASH_RC_OK, flash_unlock(), flash_write(), ili9488_draw_string(), ili9488_set_foreground_color(), ioport_get_pin_level(), M2M_WIFI_CH_ALL, m2m_wifi_connect(), MAIN_WLAN_AUTH, and mark.

Referenced by main(), and wifi_cb().

static void wifi_handle_events ( void  )

static

References m2m_wifi_handle_events(), and NULL.

Referenced by main().

static void wifi_init ( void  )

static

References M2M_SUCCESS, m2m_wifi_init(), nm_bsp_init(), tstrWifiInitParam::pfAppWifiCb, registerSocketCallback(), resolve_cb(), socket_cb(), socketInit(), and wifi_cb().

Referenced by main().

void wifi_recieve_packet

(

void

)

References display_is_sha, gau8ReceivedBuffer, gbContinueReceive, gbTcpConnection, gcWeatherInfo, MAIN_WIFI_M2M_BUFFER_SIZE, NULL, parse_weather_icon(), pcCity, pcTemperature, pcWeather, recv(), tcp_client_socket, Temperature_seoul, Temperature_sha, ucWeatherNum, ucWeatherNum_seoul, ucWeatherNum_sha, Weather_seoul, and Weather_sha.

Referenced by main().

static void wifi_require_weather ( char *  city_name )

static

References gau8ReceivedBuffer, MAIN_APP_ID, MAIN_POST_BUFFER, MAIN_PREFIX_BUFFER, MAIN_WIFI_M2M_BUFFER_SIZE, recv(), send(), and tcp_client_socket.

Referenced by main().

bool city_is_sha = true

Referenced by main().

bool display_is_sha = true

Referenced by main(), refresh_display(), and wifi_recieve_packet().

struct ili9488_opt_t g_ili9488_display_opt

uint32_t g_ul_sec_ticks = 0

Referenced by main(), RTT_Handler(), and socket_cb().

uint8_t gau8ReceivedBuffer[MAIN_WIFI_M2M_BUFFER_SIZE] = {0}

static

Receive buffer definition.

Referenced by wifi_recieve_packet(), and wifi_require_weather().

bool gbConnectedWifi = false

static

Wi-Fi status variable.

Referenced by main(), and wifi_cb().

bool gbContinueReceive = false

static

Continue Receive status variable.

Referenced by wifi_recieve_packet().

bool gbFinishedGetWeather = false

static

Weather client status variable.

Referenced by main(), and socket_cb().

bool gbHostIpByName = false

static

Get host IP status variable.

Referenced by main(), and resolve_cb().

bool gbRequireWeather = false

static

Referenced by main(), and socket_cb().

bool gbTcpConnection = false

static

TCP Connection status variable.

Referenced by main(), socket_cb(), and wifi_recieve_packet().

char gcWeatherInfo[2048] = {0}

static

Referenced by socket_cb(), and wifi_recieve_packet().

uint32_t gu32HostIp = 0

IP address of host.

char* gWeatherIcon[4]

Initial value:

= {
    gImage_sun,
    gImage_cloud,
    gImage_rain,
    gImage_snow,
}

Referenced by refresh_display().

const uint8_t mark[11] = {'S', 'A', 'M', 'E','7', '0', 'D', 'E', 'M','O'}

Referenced by wifi_connect().

char* pcCity = NULL

Referenced by wifi_recieve_packet().

char* pcTemperature = NULL

Referenced by wifi_recieve_packet().

char* pcWeather = NULL

Referenced by parse_weather_icon(), and wifi_recieve_packet().

char server_host_name[] = MAIN_WEATHER_SERVER_NAME

static

Server host name.

Referenced by wifi_cb().

SOCKET tcp_client_socket = -1

static

TCP client socket handlers.

Referenced by main(), socket_cb(), wifi_recieve_packet(), and wifi_require_weather().

char Temperature_seoul[30]

Referenced by refresh_display(), and wifi_recieve_packet().

char Temperature_sha[30]

Referenced by refresh_display(), and wifi_recieve_packet().

uint8_t ucWeatherNum = 0

Referenced by wifi_recieve_packet().

uint8_t ucWeatherNum_seoul

Referenced by refresh_display(), and wifi_recieve_packet().

uint8_t ucWeatherNum_sha

Referenced by refresh_display(), and wifi_recieve_packet().

char Weather_seoul[30]

Referenced by refresh_display(), and wifi_recieve_packet().

char Weather_sha[30]

Referenced by refresh_display(), and wifi_recieve_packet().