Connect to SSID, get ip by dhcp, ping google.com, display statistics

Dependencies:   NVIC_set_all_priorities cc3000_hostdriver_mbedsocket mbed

main.cpp

Committer:
Kojto
Date:
2013-09-14
Revision:
0:26d9788555b6
Child:
1:1ef047ffeef4

File content as of revision 0:26d9788555b6:

/* mbed Microcontroller Library
 * Copyright (c) 2006-2013 ARM Limited
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
#include "mbed.h"
#include "KL25Z_irq_prio.h"
#include "cc3000.h"
#include "main.h"

using namespace mbed_cc3000;

#if (WIGO_BOARD)
// Wi-Go battery charger control
DigitalOut PWR_EN1(PTB2);
DigitalOut PWR_EN2(PTB3);
#endif

Serial pc(USBTX, USBRX);
cc3000 wigo(PTA16, PTA13, PTD0, SPI(PTD2, PTD3, PTC5), PORTA_IRQn);

/** Print cc3000 information
 *  \param  none
 *  \return none
 */
void print_cc3000_info() {
    uint8_t myMAC[8];
    tUserFS user_info;

    printf("MAC address + cc3000 info\n");
    wigo.get_user_file_info((uint8_t *)&user_info, sizeof(user_info));
    wigo.get_mac_address(myMAC);
    printf(" MAC address %02x:%02x:%02x:%02x:%02x:%02x\n\n", myMAC[0], myMAC[1], myMAC[2], myMAC[3], myMAC[4], myMAC[5]);

    printf(" FTC        %i\n",user_info.FTC);
    printf(" PP_version %i.%i\n",user_info.PP_version[0], user_info.PP_version[1]);
    printf(" SERV_PACK  %i.%i\n",user_info.SERV_PACK[0], user_info.SERV_PACK[1]);
    printf(" DRV_VER    %i.%i.%i\n",user_info.DRV_VER[0], user_info.DRV_VER[1], user_info.DRV_VER[2]);
    printf(" FW_VER     %i.%i.%i\n",user_info.FW_VER[0], user_info.FW_VER[1], user_info.FW_VER[2]);
}

/** Connect to SSID with a timeout
 *  \param  ssid     Name of SSID
 *  \param  key      Password
 *  \param  sec_mode Security mode
 *  \return none
 */
void connect_to_ssid(uint8_t *ssid, uint8_t *key, uint8_t sec_mode) {
    printf("Connecting to SSID: %s. Timeout is 10s.\n",ssid);
    if (wigo.connect_to_AP(ssid, key, sec_mode) == true) {
        printf(" Connected\n");
    } else {
        printf(" Connection timed-out (error). Please restart.\n");
        while(1);
  }
}

/** Connect to SSID without security
 *  \param  ssid Name of SSID
 *  \return none
 */
void connect_to_ssid(uint8_t *ssid) {
    wigo.connect_open(ssid);
}

void wigo_init(void) {
    /* KL25 specific code */
    // Wi-Go set current to 500mA since we're turning on the Wi-Fi
    SET_PWR_EN1;
    SET_PWR_EN2;
  
    NVIC_SetAllPriority(3);
    NVIC_SetPriority(SPI0_IRQn, 0x0);     // Wi-Fi SPI interrupt must be higher priority than SysTick
    NVIC_SetPriority(PORTA_IRQn, 0x1);
    NVIC_SetPriority(SysTick_IRQn, 0x2);  // SysTick set to lower priority than Wi-Fi SPI bus interrupt
    CLEAR_PCR_INTERRUPT;
    CLEAN_PORT_INTERRUPT;
}

/** Main function
 *  \param  none
 *  \return int
 */
int main() {
    wigo_init();
    pc.baud(115200);

    wigo.start(0);
    printf("CC3000 ping demo.\n");
    print_cc3000_info();

    printf("Attempting SSID Connection\n");
#ifndef CC3000_TINY_DRIVER
    #ifdef AP_KEY
        connect_to_ssid((uint8_t *)SSID,(uint8_t *)AP_KEY,AP_SECURITY);
    #else
        connect_to_ssid((uint8_t *)SSID);
    #endif
#else
        connect_to_ssid((uint8_t *)SSID);
#endif

    printf("DHCP request\n");
    while (wigo.is_dhcp_configured() == false) {
         wait_ms(500);
         printf("  Waiting for dhcp to be set.\n");
    }

    uint32_t ip;
    uint8_t *site = (uint8_t *)"google.com";
    printf("Get an IP address of %s\n",site);
    if (wigo._socket.gethostbyname(site,strlen((const char *)site), &ip)) {
        uint8_t add0 = (ip >> 24);
        uint8_t add1 = (ip >> 16);
        uint8_t add2 = (ip >> 8);
        uint8_t add3 = (ip >> 0);
        printf("IP address of %s: %d:%d:%d:%d \n", site, add0, add1, add2, add3);
    } else {
        printf("Failed");
    }

    printf("Starting sending ping\n");
    uint32_t reply_count = wigo.ping(ip, 5, 500, 32);
    printf("Received %d replies\n", reply_count);
    printf("Ping demo completed.\n");
    wigo.disconnect();
}