cc3000 simple socket demo (not using EthernetInterface) !

Dependencies:   NVIC_set_all_priorities cc3000_hostdriver_mbedsocket mbed

Info

Simple Socket demo application for the wireless CC3000 module.

Warning

The on-board Firmware must be updated to mbed enable the wireless module.
Goto the Component page to get the FirmwareUpdate tool (scroll down to the FirmwareUpdate topic).

Setup

Note

It is recommended to run an initial test WITHOUT security settings.

Changing network parameters in main.h

  • Setup a wireless router with a non-secure wireless connection using the wireless settings stored in main.h
    or set SSID to your wireless router SSID. For now, do not change USE_SMART_CONFIG and AP_KEY,
    only change AP_SECURITY to NONE.

// use smart config
#define USE_SMART_CONFIG 0

 // Default SSID Settings
#define AP_KEY       "test"
#define AP_SECURITY  NONE
#define SSID         "test"
  • By default, DHCP is used to obtain the IP address.
    When you want to use a fixed IP address, set IP_ALLOC_METHOD USE_STATIC_IP and enter your preferred values for STATIC_IP_OCT_x (device IP address) and STATIC_GW_OCT4 (4th number of your gateway IP address) .
    See the next chapter on how to use USE_SMART_CONFIG.

Setting up the Python script

  • Download Python 2.7 from http://www.python.org/download/
    Install it on a computer connected to the router you previously set up (wireless or wired).
  • Download this Python script to the Python2.7 folder (credit : Jim Carver from Avnet).
  • Compile the CC3000_Simple_Socket_demo code and save it to your board.

Running the application for the first time

  • Open a terminal program (eg: TeraTerm) and connect to your board (serial speed : 115200 baud).
  • Press the reset button on your board.
  • Following startup screen will appear :

Note

The version info can be different.
the dots in the MAC address will show your CC3000's real MAC address.

cc3000 simple socket demo.
MAC address + cc3000 info
 MAC address ..:..:..:..:..:..

 FTC        0
 PP_version 3.4
 SERV_PACK  1.11
 DRV_VER    7.14.24
 FW_VER     7.12.14
User's AP setup: SSID: "test", Password: "test", Security: 3

<0> Normal run. SmartConfig will
    start if no valid connection exists.
<1> Connect using fixed SSID without AP_KEY: test
<2> Connect using fixed SSID with AP_KEY: test
<8> Erase all stored profiles.
<9> SmartConfig.


  • For the initial test, select option <1> (Connect using fixed SSID without AP_KEY: ...).
  • If all goes well, the following screen is shown (the IP address can be different):
Attempting SSID Connection.
DHCP request
  Waiting for dhcp to be set.
  Waiting for dhcp to be set.
DHCP assigned IP Address = 192.168.1.100


  • On the computer where you installed Python2.7:
    • Make sure the connection between your computer and the wireless router is active.
    • Open a DOS prompt and go to the folder where Python2.7 is installed.
    • Type following command :
python wigo_test.py -a 192.168.0.101 -p 15000


Note

Don't forget to replace the IP address with the real IP address assigned by DHCP to the CC3000 module.

If a connection is established, the DOS window will show

-----------------
run tcp client
-----------------
connected to  remote ip=192.168.0.101 remote port=15000
Press ENTER ....


In return the controller board will send following info to the serial port:

Connection from: 192.168.1.101


When we press Enter in the DOS window, the controller board will send following info to the serial port:

Connection from: 192.168.0.10
Received: Hello Wi-Go
Sending the message to the server.


And the DOS window will show:

recv from :  data:  Hello Python


Using option <2>

  • In your wireless router, change the non-secure wireless connection to WEP, WPA or WPA2 and enter a security key.
  • In main.h, update AP_SECURITY and AP_KEY with the values you set in your wireless router.
    Valid values for AP_SECURITY are : NONE, WEP, WPA and WPA2
  • Recompile the code and save it to your board. Reconnect the terminal program and press reset on your board.
  • When the selection menu appears, choose option <2>.
    The communication sequence for option <2> is identical as described for option <1> but now a secure connection is used.

Using the application's options <0>, <8> and <9>

  • Options <0> (Normal run) and <9> (SmartConfig) are very similar.
    They both allow us to connect the CC3000 to another wireless network, without changing the pre-configured wireless settings stored in main.h.
    Option <0> will only start SmartConfig if no valid connection exists (First Time Config),
    but if the CC3000 was previously configured using SmartConfig, it will automatically connect using the stored wireless network profile.
  • Option <8> : As there are only 7 profile slots available, this option can be used to erase all stored profiles.
  • Option <9> allows the user to switch to another wireless connection.
    This connection is stored in one of the 7 profiles. More info on profile priorities is available here.


See TI's pages on how to use the SmartConfig tool:

Committer:
Kojto
Date:
Thu Oct 03 16:56:32 2013 +0000
Revision:
4:b5875efcf0e5
Parent:
1:99076f2d9408
Child:
5:12ea15b9c2f4
update to the new host driver; ;  - still need to update files

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Kojto 1:99076f2d9408 1 /* mbed Microcontroller Library
Kojto 1:99076f2d9408 2 * Copyright (c) 2006-2013 ARM Limited
Kojto 1:99076f2d9408 3 *
Kojto 1:99076f2d9408 4 * Licensed under the Apache License, Version 2.0 (the "License");
Kojto 1:99076f2d9408 5 * you may not use this file except in compliance with the License.
Kojto 1:99076f2d9408 6 * You may obtain a copy of the License at
Kojto 1:99076f2d9408 7 *
Kojto 1:99076f2d9408 8 * http://www.apache.org/licenses/LICENSE-2.0
Kojto 1:99076f2d9408 9 *
Kojto 1:99076f2d9408 10 * Unless required by applicable law or agreed to in writing, software
Kojto 1:99076f2d9408 11 * distributed under the License is distributed on an "AS IS" BASIS,
Kojto 1:99076f2d9408 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
Kojto 1:99076f2d9408 13 * See the License for the specific language governing permissions and
Kojto 1:99076f2d9408 14 * limitations under the License.
Kojto 1:99076f2d9408 15 */
Kojto 0:ce33c63eefe5 16 #include "mbed.h"
Kojto 0:ce33c63eefe5 17 #include "cc3000.h"
Kojto 1:99076f2d9408 18 #include "tcp_ip_demo.h"
Kojto 0:ce33c63eefe5 19 #include "main.h"
Kojto 0:ce33c63eefe5 20
Kojto 0:ce33c63eefe5 21 using namespace mbed_cc3000;
Kojto 0:ce33c63eefe5 22
Kojto 1:99076f2d9408 23 #if (WIGO_BOARD)
Kojto 0:ce33c63eefe5 24 // Wi-Go battery charger control
Kojto 0:ce33c63eefe5 25 DigitalOut PWR_EN1(PTB2);
Kojto 0:ce33c63eefe5 26 DigitalOut PWR_EN2(PTB3);
Kojto 0:ce33c63eefe5 27 // Wi-go LED
Kojto 0:ce33c63eefe5 28 DigitalOut ledr (LED_RED);
Kojto 0:ce33c63eefe5 29 DigitalOut ledg (LED_GREEN);
Kojto 0:ce33c63eefe5 30 DigitalOut ledb (LED_BLUE);
Kojto 0:ce33c63eefe5 31 DigitalOut led1 (PTB8);
Kojto 0:ce33c63eefe5 32 DigitalOut led2 (PTB9);
Kojto 0:ce33c63eefe5 33 DigitalOut led3 (PTB10);
Kojto 1:99076f2d9408 34 #endif
Kojto 1:99076f2d9408 35
Kojto 1:99076f2d9408 36 Serial pc(USBTX, USBRX);
Kojto 0:ce33c63eefe5 37 cc3000 wigo(PTA16, PTA13, PTD0, SPI(PTD2, PTD3, PTC5), PORTA_IRQn);
Kojto 0:ce33c63eefe5 38
Kojto 1:99076f2d9408 39 /** Initialize LED (only for Wi-go board)
Kojto 1:99076f2d9408 40 * \param none
Kojto 1:99076f2d9408 41 * \return none
Kojto 1:99076f2d9408 42 */
Kojto 0:ce33c63eefe5 43 void initLEDs(void)
Kojto 0:ce33c63eefe5 44 {
Kojto 0:ce33c63eefe5 45 RED_OFF;
Kojto 0:ce33c63eefe5 46 GREEN_OFF;
Kojto 0:ce33c63eefe5 47 BLUE_OFF;
Kojto 0:ce33c63eefe5 48 LED_D1_OFF;
Kojto 0:ce33c63eefe5 49 LED_D2_OFF;
Kojto 0:ce33c63eefe5 50 LED_D3_OFF;
Kojto 0:ce33c63eefe5 51 }
Kojto 0:ce33c63eefe5 52
Kojto 1:99076f2d9408 53 /** Print cc3000 information
Kojto 1:99076f2d9408 54 * \param none
Kojto 1:99076f2d9408 55 * \return none
Kojto 1:99076f2d9408 56 */
Kojto 0:ce33c63eefe5 57 void print_cc3000_info() {
Kojto 0:ce33c63eefe5 58 wigo.get_user_file_info((uint8_t *)&userFS, sizeof(userFS));
Kojto 0:ce33c63eefe5 59 wigo.get_mac_address(myMAC);
Kojto 0:ce33c63eefe5 60 printf("\n\nWi-Go MAC address %02x:%02x:%02x:%02x:%02x:%02x\n\n", myMAC[0], myMAC[1], myMAC[2], myMAC[3], myMAC[4], myMAC[5]);
Kojto 0:ce33c63eefe5 61
Kojto 0:ce33c63eefe5 62 printf("FTC %i\n",userFS.FTC);
Kojto 0:ce33c63eefe5 63 printf("PP_version %i.%i\n",userFS.PP_version[0], userFS.PP_version[1]);
Kojto 0:ce33c63eefe5 64 printf("SERV_PACK %i.%i\n",userFS.SERV_PACK[0], userFS.SERV_PACK[1]);
Kojto 0:ce33c63eefe5 65 printf("DRV_VER %i.%i.%i\n",userFS.DRV_VER[0], userFS.DRV_VER[1], userFS.DRV_VER[2]);
Kojto 0:ce33c63eefe5 66 printf("FW_VER %i.%i.%i\n",userFS.FW_VER[0], userFS.FW_VER[1], userFS.FW_VER[2]);
Kojto 0:ce33c63eefe5 67 }
Kojto 0:ce33c63eefe5 68
Kojto 1:99076f2d9408 69 /** Connect to SSID with security
Kojto 1:99076f2d9408 70 * \param ssid Name of SSID
Kojto 1:99076f2d9408 71 * \param key Password
Kojto 1:99076f2d9408 72 * \param sec_mode Security mode
Kojto 1:99076f2d9408 73 * \return none
Kojto 1:99076f2d9408 74 */
Kojto 0:ce33c63eefe5 75 void connect_to_ssid(uint8_t *ssid, uint8_t *key, uint8_t sec_mode) {
Kojto 0:ce33c63eefe5 76 printf("Connecting to SSID: %s. Timeout is 10s.\n",ssid);
Kojto 0:ce33c63eefe5 77 if (wigo.connect_to_AP(ssid, key, sec_mode) == true) {
Kojto 0:ce33c63eefe5 78 printf("Connected\n");
Kojto 0:ce33c63eefe5 79 } else {
Kojto 1:99076f2d9408 80 printf("Connection timed-out (error). Please restart.\n");
Kojto 1:99076f2d9408 81 while(1);
Kojto 0:ce33c63eefe5 82 }
Kojto 0:ce33c63eefe5 83 }
Kojto 0:ce33c63eefe5 84
Kojto 1:99076f2d9408 85 /** Connect to SSID without security
Kojto 1:99076f2d9408 86 * \param ssid Name of SSID
Kojto 1:99076f2d9408 87 * \return none
Kojto 1:99076f2d9408 88 */
Kojto 0:ce33c63eefe5 89 void connect_to_ssid(uint8_t *ssid) {
Kojto 0:ce33c63eefe5 90 wigo.connect_open(ssid);
Kojto 0:ce33c63eefe5 91 }
Kojto 0:ce33c63eefe5 92
Kojto 1:99076f2d9408 93 /** Main function
Kojto 1:99076f2d9408 94 * \param none
Kojto 1:99076f2d9408 95 * \return int
Kojto 1:99076f2d9408 96 */
Kojto 0:ce33c63eefe5 97 int main() {
Kojto 1:99076f2d9408 98 // Wi-Go set current to 500mA since we're turning on the Wi-Fi
Kojto 1:99076f2d9408 99 SET_PWR_EN1;
Kojto 1:99076f2d9408 100 SET_PWR_EN2;
Kojto 0:ce33c63eefe5 101
Kojto 1:99076f2d9408 102 pc.baud(115200);
Kojto 0:ce33c63eefe5 103
Kojto 1:99076f2d9408 104 /* KL25 specific code */
Kojto 1:99076f2d9408 105 NVIC_SetAllPriority(3);
Kojto 0:ce33c63eefe5 106 NVIC_SetPriority(SPI0_IRQn, 0x0); // Wi-Fi SPI interrupt must be higher priority than SysTick
Kojto 0:ce33c63eefe5 107 NVIC_SetPriority(PORTA_IRQn, 0x1);
Kojto 0:ce33c63eefe5 108 NVIC_SetPriority(SysTick_IRQn, 0x2); // SysTick set to lower priority than Wi-Fi SPI bus interrupt
Kojto 0:ce33c63eefe5 109
Kojto 1:99076f2d9408 110 CLEAR_PCR_INTERRUPT;
Kojto 1:99076f2d9408 111 CLEAN_PORT_INTERRUPT;
Kojto 0:ce33c63eefe5 112
Kojto 0:ce33c63eefe5 113 GREEN_ON;
Kojto 0:ce33c63eefe5 114 wigo.start(0);
Kojto 0:ce33c63eefe5 115 printf("CC3000 Python demo.\n");
Kojto 0:ce33c63eefe5 116 print_cc3000_info();
Kojto 0:ce33c63eefe5 117
Kojto 0:ce33c63eefe5 118 printf("\n<0> Normal run. SmartConfig will\n start if no valid connection exists.\n");
Kojto 0:ce33c63eefe5 119 printf("<1> Connect using fixed SSID : %s\n", SSID);
Kojto 0:ce33c63eefe5 120 printf("<2> SmartConfig.\n");
Kojto 0:ce33c63eefe5 121
Kojto 0:ce33c63eefe5 122 signed char c = getchar();
Kojto 0:ce33c63eefe5 123 switch (c)
Kojto 0:ce33c63eefe5 124 {
Kojto 0:ce33c63eefe5 125 case '0':
Kojto 0:ce33c63eefe5 126 if(!userFS.FTC)
Kojto 0:ce33c63eefe5 127 {
Kojto 0:ce33c63eefe5 128 do_FTC();
Kojto 0:ce33c63eefe5 129 wigo._wlan.stop();
Kojto 0:ce33c63eefe5 130 }
Kojto 0:ce33c63eefe5 131 break;
Kojto 0:ce33c63eefe5 132 case '1':
Kojto 0:ce33c63eefe5 133 printf("Attempting SSID Connection\n");
Kojto 0:ce33c63eefe5 134 #ifndef CC3000_TINY_DRIVER
Kojto 0:ce33c63eefe5 135 #ifdef AP_KEY
Kojto 0:ce33c63eefe5 136 connect_to_ssid((uint8_t *)SSID,(uint8_t *)AP_KEY,AP_SECURITY); /* TODO rewrite to const vraiables - NOT MACROS */
Kojto 0:ce33c63eefe5 137 #else
Kojto 1:99076f2d9408 138 connect_to_ssid((uint8_t *)SSID);
Kojto 0:ce33c63eefe5 139 #endif
Kojto 0:ce33c63eefe5 140 #else
Kojto 1:99076f2d9408 141 connect_to_ssid((uint8_t *)SSID);
Kojto 0:ce33c63eefe5 142 #endif
Kojto 0:ce33c63eefe5 143 break;
Kojto 0:ce33c63eefe5 144 case '2':
Kojto 1:99076f2d9408 145 printf("Starting Smart Config configuration.\n");
Kojto 0:ce33c63eefe5 146 start_smart_config();
Kojto 1:99076f2d9408 147 init_dhcp();
Kojto 1:99076f2d9408 148
Kojto 1:99076f2d9408 149 printf("Press the reset button on your board and select 0...\n");
Kojto 1:99076f2d9408 150 while(1);
Kojto 0:ce33c63eefe5 151 default:
Kojto 0:ce33c63eefe5 152 printf("Wrong selection.\n");
Kojto 0:ce33c63eefe5 153 printf("Reset the board and try again.\n");
Kojto 0:ce33c63eefe5 154 break;
Kojto 0:ce33c63eefe5 155 }
Kojto 0:ce33c63eefe5 156 SmartConfigProfilestored = SMART_CONFIG_SET;
Kojto 0:ce33c63eefe5 157 RED_OFF;
Kojto 0:ce33c63eefe5 158 GREEN_OFF;
Kojto 0:ce33c63eefe5 159 BLUE_OFF;
Kojto 0:ce33c63eefe5 160
Kojto 0:ce33c63eefe5 161 run_tcp_server(); // Run TCP/IP Connection to host
Kojto 0:ce33c63eefe5 162 }