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Wifi Pressure Sensor
Dependencies: HTTPClient MPL3115A2 NTPClient TMP102 USBDevice cc3000_hostdriver_mbedsocket mbed
Diff: main.cpp
- Revision:
- 0:0bce3a738bcb
- Child:
- 2:8f5776c287c5
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/main.cpp Mon Nov 04 19:55:00 2013 +0000 @@ -0,0 +1,617 @@ + +#include "mbed.h" +#include "cc3000.h" +#include "wifi.h" +#include "UDPSocket.h" +#include "tcpTests.h" +#include "main.h" +#include "USBSerial.h" +#include "NTPClient.h" +#include <time.h> + +using namespace mbed_cc3000; + +/* cc3000 module declaration specific for user's board. Check also init() */ +#if (MY_BOARD == WIGO) +cc3000 wifi(PTA16, PTA13, PTD0, SPI(PTD2, PTD3, PTC5), PORTA_IRQn); +#elif (MY_BOARD == WIFI_DIPCORTEX) +cc3000 wifi(p28, p27, p30, SPI(p21, p14, p37), PIN_INT0_IRQn); +Serial uart(p19, p20); +USBSerial pc; // USB CDC serial port +#else + +#endif + +#ifndef CC3000_UNENCRYPTED_SMART_CONFIG + const uint8_t smartconfigkey[] = {0x73,0x6d,0x61,0x72,0x74,0x63,0x6f,0x6e,0x66,0x69,0x67,0x41,0x45,0x53,0x31,0x36}; +#else + const uint8_t smartconfigkey = 0; +#endif + +const int ECHO_SERVER_PORT_UDP = 81; +uint8_t *HostToPing = (uint8_t *)"google.com"; +tNetappIpconfigRetArgs ipinfo; +extern char tmpBuffer[512]; + +MENU_LEVEL currentMenu = MENU_TOP; + +// ------------------------------------------------------------------------------------------------------------ +/*! + @brief Resolve a hostname and ping it +*/ +// ------------------------------------------------------------------------------------------------------------ +void PingTest ( void ) +{ +uint32_t ip; +int32_t resolveRetCode = 0; + + pc.printf("Get an IP address for %s\r\n",HostToPing); + resolveRetCode = wifi._socket.gethostbyname(HostToPing,strlen((const char *)HostToPing), &ip); + pc.printf("gethostbyname Returned code : %i \r\n", resolveRetCode); + + if (resolveRetCode > -1) + { + uint8_t add0 = (ip >> 24); + uint8_t add1 = (ip >> 16); + uint8_t add2 = (ip >> 8); + uint8_t add3 = (ip >> 0); + pc.printf("IP address of %s: %d.%d.%d.%d \r\n", HostToPing, add0, add1, add2, add3); + + pc.printf("Sending ping\r\n"); + uint32_t reply_count = wifi.ping(ip, 5, 500, 32); + pc.printf("Received %d replies\r\n", reply_count); + pc.printf("Ping complete.\r\n"); + } + else + { + pc.printf("Failed to resolve\r\n"); + } +} + +// ------------------------------------------------------------------------------------------------------------ +/*! + @brief Test the NTP library +*/ +// ------------------------------------------------------------------------------------------------------------ +void NtpTest ( void ) +{ +NTPClient ntp; +struct tm *currentTime; + if (ntp.setTime("0.pool.ntp.org",123,10000) == 0) + { + pc.printf("\r\nGot the time successfully\r\n"); + currentTime = localtime(&ntp.NTPLastResult); + pc.printf("NTP Response : %s\r\n", asctime(currentTime)); + } + else + { + pc.printf("NTP Update Failed\r\n"); + } +} + +// ------------------------------------------------------------------------------------------------------------ +/*! + @brief Send a UDP Packet, wait for response +*/ +// ------------------------------------------------------------------------------------------------------------ +void UdpClientTest ( void ) +{ +UDPSocket socket; +int n = 0; +Endpoint outEndpoint; +Endpoint inEndpoint; + + if (0 == socket.bind(ECHO_SERVER_PORT_UDP) ) + { + + // 2 second timeout + socket.set_blocking(false, 2000); + + pc.printf("\r\n!! Press any key to stop !!\r\n\r\n"); + + while (1) + { + if( outEndpoint.set_address(ECHO_SERVER_ADDRESS, ECHO_SERVER_PORT_UDP) < 0 ) + { + pc.printf("Failed to set endpoint address.\r\n"); + break; + } + else + { + if ( socket.sendTo( outEndpoint, hello, sizeof(hello) ) < 0 ) + { + pc.printf("Failed to send the packet.\r\n"); + } + else + { + // Message sent, recv reply + pc.printf("UDP Socket Sent : %s \r\n", hello); + n = socket.receiveFrom( inEndpoint, tmpBuffer, sizeof(tmpBuffer) ); + if ( n < 0 ) + { + pc.printf("Failed to recv the UDP packet.\r\n"); + } + else + { + tmpBuffer[n] = '\0'; + pc.printf("UDP Socket Recv'd : %s \r\n", tmpBuffer); + } + } + } + + // Should we stop? + if ( pc.readable() ) + { + pc.getc(); + break; + } + } + + if ( wifi.is_connected() ) + { + socket.close(); + } + } + else + { + // Failed to bind to the socket + } +} + +// ------------------------------------------------------------------------------------------------------------ +/*! + @brief Listen on a UDP port for messages +*/ +// ------------------------------------------------------------------------------------------------------------ +void UdpServerTest ( void ) +{ +UDPSocket socket; +Endpoint client; +int n = 0; + + if (0 == socket.bind(ECHO_SERVER_PORT_UDP) ) + { + pc.printf("\r\n!! Press any key to stop listening !!\r\n\r\n"); + + while (true) + { + pc.printf("Waiting for packet...\r\n"); + n = socket.receiveFrom(client, tmpBuffer, sizeof(tmpBuffer)); + + pc.printf("Received packet from: %s\n", client.get_address()); + socket.sendTo(client, tmpBuffer, n); + + // Should we stop? + if ( pc.readable() ) + { + pc.getc(); + break; + } + } + } +} + +// ------------------------------------------------------------------------------------------------------------ +/*! + @brief Print menu header +*/ +// ------------------------------------------------------------------------------------------------------------ +void Menu_PrintHeader ( void ) +{ + if (( wifi.is_enabled() ) && ( wifi.is_dhcp_configured() )) + { + wifi.get_ip_config(&ipinfo); + } + + pc.printf("\r\n"); + pc.printf("+-------------------------------------------+\r\n"); + pc.printf("| WiFi DipCortex / CC3000 Kitchen Sink |\r\n"); + pc.printf("+-------------------------------------------+\r\n"); + if (! wifi.is_enabled() ) + { + pc.printf("| CC3000 Disabled |\r\n"); + } + else if ( wifi.is_dhcp_configured() ) + { + pc.printf("| SSID : %-33s|\r\n", ipinfo.uaSSID); + pc.printf("| IP : %-35s|\r\n", wifi.getIPAddress()); + } + else if ( wifi.is_connected() ) + { + pc.printf("| Connecting, waiting for DHCP |\r\n"); + } + else + { + pc.printf("| Not Connected |\r\n"); + } + pc.printf("+-------------------------------------------+\r\n"); + pc.printf("\r\n"); +} + +// ------------------------------------------------------------------------------------------------------------ +/*! + @brief Control the wifi connection +*/ +// ------------------------------------------------------------------------------------------------------------ +char WaitForSerialCommand ( void ) +{ +char charIn = 0; +char prevCharIn; + + pc.printf("Enter command character : "); + + while (1) + { + prevCharIn = charIn; + charIn = pc.getc(); + + pc.printf("%c", charIn); + if ((charIn == '\n') || (charIn == '\r')) + { + break; + } + } + + return ( prevCharIn ); +} + +// ------------------------------------------------------------------------------------------------------------ +/*! + @brief Configure the module for smart connect mode allow configuration over the air +*/ +// ------------------------------------------------------------------------------------------------------------ +void SmartConfig ( void ) +{ + // We dont want to auto reconnect to an access point + wifi._wlan.ioctl_set_connection_policy(0, 0, 0); + + // start smart config will disconnect, set the prefix + // wait for a message via a SmartConfig app, store it to the profile list + // finally it will reenable auto connection, triggering the module to connect to the new access point + wifi.start_smart_config(0); +} + +// ------------------------------------------------------------------------------------------------------------ +/*! + @brief Print cc3000 information +*/ +// ------------------------------------------------------------------------------------------------------------ +void print_cc3000_info() { +uint8_t myMAC[8]; +uint8_t buffer[2]; +int32_t status = 0; +tNetappIpconfigRetArgs ipinfo2; +tUserFS cc_user_info; +const char * WIFI_STATUS[] = {"Disconnected", "Scanning", "Connecting", "Connected"}; + + wifi.get_user_file_info((uint8_t *)&cc_user_info, sizeof(cc_user_info)); + wifi.get_mac_address(myMAC); + pc.printf(" MAC address : %02x:%02x:%02x:%02x:%02x:%02x\r\n", myMAC[0], myMAC[1], myMAC[2], myMAC[3], myMAC[4], myMAC[5]); + + if (! wifi._nvmem.read_sp_version( (unsigned char*)&buffer ) ) + { + pc.printf(" CC3000 Firmware Version : %u.%u \r\n", buffer[0], buffer[1]); + } + else + { + pc.printf(" CC3000 Read nvmem failed!"); + } + + status = wifi._wlan.ioctl_statusget(); + if (( status > -1 ) && ( status < 4 )) + { + pc.printf(" Wifi Status : %s\r\n", WIFI_STATUS[status]); + } + else + { + pc.printf(" Wifi Status : %d\r\n", status); + } + + if ( wifi.is_dhcp_configured() ) + { + wifi.get_ip_config(&ipinfo2); + pc.printf(" Connected to : %s \r\n", ipinfo2.uaSSID); + pc.printf(" IP : %d.%d.%d.%d \r\n", ipinfo2.aucIP[3], ipinfo2.aucIP[2], ipinfo2.aucIP[1], ipinfo2.aucIP[0]); + pc.printf(" Gateway : %d.%d.%d.%d \r\n", ipinfo2.aucDefaultGateway[3], ipinfo2.aucDefaultGateway[2], ipinfo2.aucDefaultGateway[1], ipinfo2.aucDefaultGateway[0]); + pc.printf(" Subnet : %d.%d.%d.%d \r\n", ipinfo2.aucSubnetMask[3], ipinfo2.aucSubnetMask[2], ipinfo2.aucSubnetMask[1], ipinfo2.aucSubnetMask[0]); + pc.printf(" DNS : %d.%d.%d.%d \r\n", ipinfo2.aucDNSServer[3], ipinfo2.aucDNSServer[2], ipinfo2.aucDNSServer[1], ipinfo2.aucDNSServer[0]); + + pc.printf(" Cached IP : %s \r\n", wifi.getIPAddress()); + pc.printf(" Cached Gateway : %s \r\n", wifi.getGateway()); + pc.printf(" Cached Subnet : %s \r\n", wifi.getNetworkMask()); + + } + else + { + pc.printf(" Not connected \r\n"); + } +} + + +// ------------------------------------------------------------------------------------------------------------ +/*! + @brief Control the wifi connection +*/ +// ------------------------------------------------------------------------------------------------------------ +void Menu_ConnectionControl ( void ) +{ +uint32_t ip = 0; + Menu_PrintHeader(); + pc.printf(" 1 - Enable auto connect to any previous access point\r\n"); + pc.printf(" 2 - Disable auto connect \r\n"); + pc.printf(" 3 - Connect to %s \r\n", SSID); + pc.printf(" 4 - Disconnect \r\n"); + pc.printf(" 5 - Start SmartConfig \r\n"); + pc.printf(" 6 - Erase profiles \r\n"); + pc.printf(" 7 - Get Status \r\n"); + pc.printf(" x - Top Menu \r\n"); + + pc.printf("\r\n"); + + switch(WaitForSerialCommand()) + { + case '1': + wifi._wlan.ioctl_set_connection_policy(0, 0, 1); + break; + + case '2': + wifi._wlan.ioctl_set_connection_policy(0, 0, 0); + break; + + case '3': + + //wifi.start(0); + + // Enable DHCP + wifi._netapp.dhcp(&ip, &ip, &ip, &ip); + + if ( AP_SECURITY == NONE ) + { + wifi.connect_non_blocking((uint8_t *)SSID, 0, AP_SECURITY); + } + else + { + pc.printf("\r\n Connecting to : %s key : %s", SSID, AP_KEY ); + wifi.connect_non_blocking((uint8_t *)SSID, (uint8_t *)AP_KEY, AP_SECURITY); + + } + break; + + case '4' : + // Stop the module re-connecting + wifi._wlan.ioctl_set_connection_policy(0, 0, 0); + // Then disconnect + wifi.disconnect(); + break; + + case '5' : + SmartConfig(); + break; + + case '6' : + wifi._wlan.ioctl_del_profile(255); + break; + + case '7' : + print_cc3000_info(); + break; + + case '8': + //wifi._spi.manualIrqCheck(); + break; + + case 'x': + currentMenu = MENU_TOP; + break; + } +} + +// ------------------------------------------------------------------------------------------------------------ +/*! + @brief +*/ +// ------------------------------------------------------------------------------------------------------------ +void Menu_UdpControl ( void ) +{ + Menu_PrintHeader(); + + pc.printf(" 1 - UDP Client, Connect to %s:%d\r\n", ECHO_SERVER_ADDRESS, ECHO_SERVER_PORT_UDP); + pc.printf(" 2 - UDP Server \r\n"); + pc.printf(" 3 - NTP Client \r\n"); + pc.printf(" x - Exit to top menu \r\n"); + + pc.printf("\r\n"); + + switch(WaitForSerialCommand()) + { + case '1': + UdpClientTest(); + break; + case '2': + UdpServerTest(); + break; + case '3': + NtpTest(); + break; + case '0': + case 'x': + currentMenu = MENU_TOP; + break; + } +} + +// ------------------------------------------------------------------------------------------------------------ +/*! + @brief +*/ +// ------------------------------------------------------------------------------------------------------------ +void Menu_TcpControl ( void ) +{ + Menu_PrintHeader(); + + pc.printf(" 1 - TCP Client, Connect to %s:%d\r\n", ECHO_SERVER_ADDRESS, ECHO_SERVER_PORT_TCP); + pc.printf(" 2 - TCP Server, listen on %d.%d.%d.%d:%d\r\n", ipinfo.aucIP[3], ipinfo.aucIP[2], ipinfo.aucIP[1], ipinfo.aucIP[0], ECHO_SERVER_PORT_TCP); + pc.printf(" 3 - Web Socket Write \r\n"); + pc.printf(" 4 - Web Socket Read \r\n"); + pc.printf(" 5 - HTTP Client \r\n"); + pc.printf(" 6 - Xively Post ADC's \r\n"); + pc.printf(" x - Exit to top menu "); + pc.printf("\r\n"); + + switch(WaitForSerialCommand()) + { + case '1': + TcpClientTest(); + break; + case '2': + TcpServerTest(); + break; + case '3': + WebSocketTest(); + break; + case '4': + + break; + case '5': + HttpClientTest(); + break; + case '6': + XivelySimpleTest(); + break; + case '0': + case 'x': + currentMenu = MENU_TOP; + break; + } +} + + +// ------------------------------------------------------------------------------------------------------------ +/*! + @brief Display a menu to the user +*/ +// ------------------------------------------------------------------------------------------------------------ +void Menu_Top ( void ) +{ + Menu_PrintHeader(); + + pc.printf(" 1 - Connection control menu \r\n" ); + pc.printf(" 2 - TCP test menu \r\n" ); + pc.printf(" 3 - UDP test menu \r\n" ); + pc.printf(" 4 - Connection status \r\n"); + pc.printf(" 5 - Ping - %s \r\n", HostToPing); + pc.printf(" x - Top Menu \r\n"); + + pc.printf("\r\n"); + + switch(WaitForSerialCommand()) + { + case '1': + currentMenu = MENU_CONNECTION; + break; + case '2': + currentMenu = MENU_TCP; + break; + case '3': + currentMenu = MENU_UDP; + break; + case '4': + print_cc3000_info(); + break; + case '5': + PingTest(); + break; + case 'x': + currentMenu = MENU_TOP; + break; + } +} + +// ------------------------------------------------------------------------------------------------------------ +/*! + @brief Pick which menu to display +*/ +// ------------------------------------------------------------------------------------------------------------ +void MenuSwitch ( void ) +{ +bool connected = false; + + if ( wifi.is_dhcp_configured() ) + { + connected = true; + } + + switch ( currentMenu ) + { + case MENU_TOP : + Menu_Top(); + break; + + case MENU_CONNECTION : + Menu_ConnectionControl(); + break; + + case MENU_TCP : + if (connected) + { + Menu_TcpControl(); + } + else + { + currentMenu = MENU_TOP; + } + break; + + case MENU_UDP : + if (connected) + { + Menu_UdpControl(); + } + else + { + currentMenu = MENU_TOP; + } + break; + + default : + pc.printf("Unknown command\r\n"); + break; + } +} + +// ------------------------------------------------------------------------------------------------------------ +/*! + @brief Init +*/ +// ------------------------------------------------------------------------------------------------------------ +void init() +{ + NVIC_SetPriority(SSP1_IRQn, 0x0); + NVIC_SetPriority(PIN_INT0_IRQn, 0x1); + + // SysTick set to lower priority than Wi-Fi SPI bus interrupt + NVIC_SetPriority(SysTick_IRQn, 0x2); +} + +// ------------------------------------------------------------------------------------------------------------ +/*! + @brief main loop +*/ +// ------------------------------------------------------------------------------------------------------------ +int main( void ) +{ + // Initalise the WiFi Module + init(); + + uart.baud(SERIAL_BAUD_RATE); + + wait(1); + wifi.start(0); + + wait_ms(750); + + while (1) + { + MenuSwitch(); + } +}