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circuitpython/stm/cc3k/wlan.c

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stm: initial commit of working CC3000 driver, based on Adafruit.
2013-12-05 15:38:23 -05:00
/*****************************************************************************
*
* wlan.c - CC3000 Host Driver Implementation.
* Copyright (C) 2011 Texas Instruments Incorporated - http://www.ti.com/
*
* Adapted for use with the Arduino/AVR by KTOWN (Kevin Townsend)
* & Limor Fried for Adafruit Industries
* This library works with the Adafruit CC3000 breakout
* ----> https://www.adafruit.com/products/1469
* Adafruit invests time and resources providing this open source code,
* please support Adafruit and open-source hardware by purchasing
* products from Adafruit!
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the
* distribution.
*
* Neither the name of Texas Instruments Incorporated nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*****************************************************************************/
//*****************************************************************************
//
//! \addtogroup wlan_api
//! @{
//
//*****************************************************************************
#include <stdlib.h>
#include <stdint.h>
#include "wlan.h"
#include "hci.h"
#include "ccspi.h"
#include "socket.h"
#include "nvmem.h"
#include "security.h"
#include "evnt_handler.h"
#include "ccdebug.h"
extern int errno;
volatile sSimplLinkInformation tSLInformation;
#define SMART_CONFIG_PROFILE_SIZE 67 // 67 = 32 (max ssid) + 32 (max key) + 1 (SSID length) + 1 (security type) + 1 (key length)
#ifndef CC3000_UNENCRYPTED_SMART_CONFIG
unsigned char key[AES128_KEY_SIZE];
unsigned char profileArray[SMART_CONFIG_PROFILE_SIZE];
#endif //CC3000_UNENCRYPTED_SMART_CONFIG
/* patches type */
#define PATCHES_HOST_TYPE_WLAN_DRIVER 0x01
#define PATCHES_HOST_TYPE_WLAN_FW 0x02
#define PATCHES_HOST_TYPE_BOOTLOADER 0x03
#define SL_SET_SCAN_PARAMS_INTERVAL_LIST_SIZE (16)
#define SL_SIMPLE_CONFIG_PREFIX_LENGTH (3)
#define ETH_ALEN (6)
#define MAXIMAL_SSID_LENGTH (32)
#define SL_PATCHES_REQUEST_DEFAULT (0)
#define SL_PATCHES_REQUEST_FORCE_HOST (1)
#define SL_PATCHES_REQUEST_FORCE_NONE (2)
#define WLAN_SEC_UNSEC (0)
#define WLAN_SEC_WEP (1)
#define WLAN_SEC_WPA (2)
#define WLAN_SEC_WPA2 (3)
#define WLAN_SL_INIT_START_PARAMS_LEN (1)
#define WLAN_PATCH_PARAMS_LENGTH (8)
#define WLAN_SET_CONNECTION_POLICY_PARAMS_LEN (12)
#define WLAN_DEL_PROFILE_PARAMS_LEN (4)
#define WLAN_SET_MASK_PARAMS_LEN (4)
#define WLAN_SET_SCAN_PARAMS_LEN (100)
#define WLAN_GET_SCAN_RESULTS_PARAMS_LEN (4)
#define WLAN_ADD_PROFILE_NOSEC_PARAM_LEN (24)
#define WLAN_ADD_PROFILE_WEP_PARAM_LEN (36)
#define WLAN_ADD_PROFILE_WPA_PARAM_LEN (44)
#define WLAN_CONNECT_PARAM_LEN (29)
#define WLAN_SMART_CONFIG_START_PARAMS_LEN (4)
//*****************************************************************************
//
//! SimpleLink_Init_Start
//!
//! @param usPatchesAvailableAtHost flag to indicate if patches available
//! from host or from EEPROM. Due to the
//! fact the patches are burn to the EEPROM
//! using the patch programmer utility, the
//! patches will be available from the EEPROM
//! and not from the host.
//!
//! @return none
//!
//! @brief Send HCI_CMND_SIMPLE_LINK_START to CC3000
//
//*****************************************************************************
static void SimpleLink_Init_Start(unsigned short usPatchesAvailableAtHost)
{
unsigned char *ptr;
unsigned char *args;
ptr = tSLInformation.pucTxCommandBuffer;
args = (unsigned char *)(ptr + HEADERS_SIZE_CMD);
if (usPatchesAvailableAtHost > 2)
usPatchesAvailableAtHost = 2;
UINT8_TO_STREAM(args, usPatchesAvailableAtHost);
// IRQ Line asserted - send HCI_CMND_SIMPLE_LINK_START to CC3000
hci_command_send(HCI_CMND_SIMPLE_LINK_START, ptr, WLAN_SL_INIT_START_PARAMS_LEN);
SimpleLinkWaitEvent(HCI_CMND_SIMPLE_LINK_START, 0);
}
//*****************************************************************************
//
//! wlan_init
//!
//! @param sWlanCB Asynchronous events callback.
//! 0 no event call back.
//! -call back parameters:
//! 1) event_type: HCI_EVNT_WLAN_UNSOL_CONNECT connect event,
//! HCI_EVNT_WLAN_UNSOL_DISCONNECT disconnect event,
//! HCI_EVNT_WLAN_ASYNC_SIMPLE_CONFIG_DONE config done,
//! HCI_EVNT_WLAN_UNSOL_DHCP dhcp report,
//! HCI_EVNT_WLAN_ASYNC_PING_REPORT ping report OR
//! HCI_EVNT_WLAN_KEEPALIVE keepalive.
//! 2) data: pointer to extra data that received by the event
//! (NULL no data).
//! 3) length: data length.
//! -Events with extra data:
//! HCI_EVNT_WLAN_UNSOL_DHCP: 4 bytes IP, 4 bytes Mask,
//! 4 bytes default gateway, 4 bytes DHCP server and 4 bytes
//! for DNS server.
//! HCI_EVNT_WLAN_ASYNC_PING_REPORT: 4 bytes Packets sent,
//! 4 bytes Packets received, 4 bytes Min round time,
//! 4 bytes Max round time and 4 bytes for Avg round time.
//!
//! @param sFWPatches 0 no patch or pointer to FW patches
//! @param sDriverPatches 0 no patch or pointer to driver patches
//! @param sBootLoaderPatches 0 no patch or pointer to bootloader patches
//! @param sReadWlanInterruptPin init callback. the callback read wlan
//! interrupt status.
//! @param sWlanInterruptEnable init callback. the callback enable wlan
//! interrupt.
//! @param sWlanInterruptDisable init callback. the callback disable wlan
//! interrupt.
//! @param sWriteWlanPin init callback. the callback write value
//! to device pin.
//!
//! @return none
//!
//! @sa wlan_set_event_mask , wlan_start , wlan_stop
//!
//! @brief Initialize wlan driver
//!
//! @warning This function must be called before ANY other wlan driver function
//
//*****************************************************************************
void wlan_init( tWlanCB sWlanCB,
tFWPatches sFWPatches,
tDriverPatches sDriverPatches,
tBootLoaderPatches sBootLoaderPatches,
tWlanReadInteruptPin sReadWlanInterruptPin,
tWlanInterruptEnable sWlanInterruptEnable,
tWlanInterruptDisable sWlanInterruptDisable,
tWriteWlanPin sWriteWlanPin)
{
tSLInformation.sFWPatches = sFWPatches;
tSLInformation.sDriverPatches = sDriverPatches;
tSLInformation.sBootLoaderPatches = sBootLoaderPatches;
// init io callback
tSLInformation.ReadWlanInterruptPin = sReadWlanInterruptPin;
tSLInformation.WlanInterruptEnable = sWlanInterruptEnable;
tSLInformation.WlanInterruptDisable = sWlanInterruptDisable;
tSLInformation.WriteWlanPin = sWriteWlanPin;
//init asynchronous events callback
tSLInformation.sWlanCB= sWlanCB;
// By default TX Complete events are routed to host too
tSLInformation.InformHostOnTxComplete = 1;
}
//*****************************************************************************
//
//! SpiReceiveHandler
//!
//! @param pvBuffer - pointer to the received data buffer
//! The function triggers Received event/data processing
//!
//! @param Pointer to the received data
//! @return none
//!
//! @brief The function triggers Received event/data processing. It is
//! called from the SPI library to receive the data
//
//*****************************************************************************
void SpiReceiveHandler(void *pvBuffer)
{
tSLInformation.usEventOrDataReceived = 1;
tSLInformation.pucReceivedData = (unsigned char *)pvBuffer;
hci_unsolicited_event_handler();
}
//*****************************************************************************
//
//! wlan_start
//!
//! @param usPatchesAvailableAtHost - flag to indicate if patches available
//! from host or from EEPROM. Due to the
//! fact the patches are burn to the EEPROM
//! using the patch programmer utility, the
//! patches will be available from the EEPROM
//! and not from the host.
//!
//! @return none
//!
//! @brief Start WLAN device. This function asserts the enable pin of
//! the device (WLAN_EN), starting the HW initialization process.
//! The function blocked until device Initialization is completed.
//! Function also configure patches (FW, driver or bootloader)
//! and calls appropriate device callbacks.
//!
//! @Note Prior calling the function wlan_init shall be called.
//! @Warning This function must be called after wlan_init and before any
//! other wlan API
//! @sa wlan_init , wlan_stop
//!
//
//*****************************************************************************
void
wlan_start(unsigned short usPatchesAvailableAtHost)
{
unsigned long ulSpiIRQState;
tSLInformation.NumberOfSentPackets = 0;
tSLInformation.NumberOfReleasedPackets = 0;
tSLInformation.usRxEventOpcode = 0;
tSLInformation.usNumberOfFreeBuffers = 0;
tSLInformation.usSlBufferLength = 0;
tSLInformation.usBufferSize = 0;
tSLInformation.usRxDataPending = 0;
tSLInformation.slTransmitDataError = 0;
tSLInformation.usEventOrDataReceived = 0;
tSLInformation.pucReceivedData = 0;
// Allocate the memory for the RX/TX data transactions
tSLInformation.pucTxCommandBuffer = (unsigned char *)wlan_tx_buffer;
// init spi
SpiOpen(SpiReceiveHandler);
// Check the IRQ line
ulSpiIRQState = tSLInformation.ReadWlanInterruptPin();
// ASIC 1273 chip enable: toggle WLAN EN line
tSLInformation.WriteWlanPin( WLAN_ENABLE );
if (ulSpiIRQState)
{
// wait till the IRQ line goes low
while(tSLInformation.ReadWlanInterruptPin() != 0)
{
}
}
else
{
// wait till the IRQ line goes high and than low
while(tSLInformation.ReadWlanInterruptPin() == 0)
{
}
while(tSLInformation.ReadWlanInterruptPin() != 0)
{
}
}
DEBUGPRINT_F("SimpleLink start\n\r");
SimpleLink_Init_Start(usPatchesAvailableAtHost);
// Read Buffer's size and finish
DEBUGPRINT_F("Read buffer\n\r");
hci_command_send(HCI_CMND_READ_BUFFER_SIZE, tSLInformation.pucTxCommandBuffer, 0);
SimpleLinkWaitEvent(HCI_CMND_READ_BUFFER_SIZE, 0);
}
//*****************************************************************************
//
//! wlan_stop
//!
//! @param none
//!
//! @return none
//!
//! @brief Stop WLAN device by putting it into reset state.
//!
//! @sa wlan_start
//
//*****************************************************************************
void
wlan_stop(void)
{
// ASIC 1273 chip disable
tSLInformation.WriteWlanPin( WLAN_DISABLE );
// Wait till IRQ line goes high...
while(tSLInformation.ReadWlanInterruptPin() == 0)
{
}
// Free the used by WLAN Driver memory
if (tSLInformation.pucTxCommandBuffer)
{
tSLInformation.pucTxCommandBuffer = 0;
}
SpiClose();
}
//*****************************************************************************
//
//! wlan_connect
//!
//! @param sec_type security options:
//! WLAN_SEC_UNSEC,
//! WLAN_SEC_WEP (ASCII support only),
//! WLAN_SEC_WPA or WLAN_SEC_WPA2
//! @param ssid up to 32 bytes and is ASCII SSID of the AP
//! @param ssid_len length of the SSID
//! @param bssid 6 bytes specified the AP bssid
//! @param key up to 16 bytes specified the AP security key
//! @param key_len key length
//!
//! @return On success, zero is returned. On error, negative is returned.
//! Note that even though a zero is returned on success to trigger
//! connection operation, it does not mean that CCC3000 is already
//! connected. An asynchronous "Connected" event is generated when
//! actual association process finishes and CC3000 is connected to
//! the AP. If DHCP is set, An asynchronous "DHCP" event is
//! generated when DHCP process is finish.
//!
//!
//! @brief Connect to AP
//! @warning Please Note that when connection to AP configured with security
//! type WEP, please confirm that the key is set as ASCII and not
//! as HEX.
//! @sa wlan_disconnect
//
//*****************************************************************************
#ifndef CC3000_TINY_DRIVER
long
wlan_connect(unsigned long ulSecType, const char *ssid, long ssid_len,
unsigned char *bssid, unsigned char *key, long key_len)
{
long ret;
unsigned char *ptr;
unsigned char *args;
unsigned char bssid_zero[] = {0, 0, 0, 0, 0, 0};
ret = EFAIL;
ptr = tSLInformation.pucTxCommandBuffer;
args = (ptr + HEADERS_SIZE_CMD);
// Fill in command buffer
args = UINT32_TO_STREAM(args, 0x0000001c);
args = UINT32_TO_STREAM(args, ssid_len);
args = UINT32_TO_STREAM(args, ulSecType);
args = UINT32_TO_STREAM(args, 0x00000010 + ssid_len);
args = UINT32_TO_STREAM(args, key_len);
args = UINT16_TO_STREAM(args, 0);
// padding shall be zeroed
if(bssid)
{
ARRAY_TO_STREAM(args, bssid, ETH_ALEN);
}
else
{
ARRAY_TO_STREAM(args, bssid_zero, ETH_ALEN);
}
ARRAY_TO_STREAM(args, ssid, ssid_len);
if(key_len && key)
{
ARRAY_TO_STREAM(args, key, key_len);
}
// Initiate a HCI command
hci_command_send(HCI_CMND_WLAN_CONNECT, ptr, WLAN_CONNECT_PARAM_LEN +
ssid_len + key_len - 1);
// Wait for command complete event
SimpleLinkWaitEvent(HCI_CMND_WLAN_CONNECT, &ret);
errno = ret;
return(ret);
}
#else
long
wlan_connect(const char *ssid, long ssid_len)
{
long ret;
unsigned char *ptr;
unsigned char *args;
unsigned char bssid_zero[] = {0, 0, 0, 0, 0, 0};
ret = EFAIL;
ptr = tSLInformation.pucTxCommandBuffer;
args = (ptr + HEADERS_SIZE_CMD);
// Fill in command buffer
args = UINT32_TO_STREAM(args, 0x0000001c);
args = UINT32_TO_STREAM(args, ssid_len);
args = UINT32_TO_STREAM(args, 0);
args = UINT32_TO_STREAM(args, 0x00000010 + ssid_len);
args = UINT32_TO_STREAM(args, 0);
args = UINT16_TO_STREAM(args, 0);
// padding shall be zeroed
ARRAY_TO_STREAM(args, bssid_zero, ETH_ALEN);
ARRAY_TO_STREAM(args, ssid, ssid_len);
// Initiate a HCI command
hci_command_send(HCI_CMND_WLAN_CONNECT, ptr, WLAN_CONNECT_PARAM_LEN +
ssid_len - 1);
// Wait for command complete event
SimpleLinkWaitEvent(HCI_CMND_WLAN_CONNECT, &ret);
errno = ret;
return(ret);
}
#endif
//*****************************************************************************
//
//! wlan_disconnect
//!
//! @return 0 disconnected done, other CC3000 already disconnected
//!
//! @brief Disconnect connection from AP.
//!
//! @sa wlan_connect
//
//*****************************************************************************
long
wlan_disconnect()
{
long ret;
unsigned char *ptr;
ret = EFAIL;
ptr = tSLInformation.pucTxCommandBuffer;
hci_command_send(HCI_CMND_WLAN_DISCONNECT, ptr, 0);
// Wait for command complete event
SimpleLinkWaitEvent(HCI_CMND_WLAN_DISCONNECT, &ret);
errno = ret;
return(ret);
}
//*****************************************************************************
//
//! wlan_ioctl_set_connection_policy
//!
//! @param should_connect_to_open_ap enable(1), disable(0) connect to any
//! available AP. This parameter corresponds to the configuration of
//! item # 3 in the brief description.
//! @param should_use_fast_connect enable(1), disable(0). if enabled, tries
//! to connect to the last connected AP. This parameter corresponds
//! to the configuration of item # 1 in the brief description.
//! @param auto_start enable(1), disable(0) auto connect
//! after reset and periodically reconnect if needed. This
//! configuration configures option 2 in the above description.
//!
//! @return On success, zero is returned. On error, -1 is returned
//!
//! @brief When auto is enabled, the device tries to connect according
//! the following policy:
//! 1) If fast connect is enabled and last connection is valid,
//! the device will try to connect to it without the scanning
//! procedure (fast). The last connection will be marked as
//! invalid, due to adding/removing profile.
//! 2) If profile exists, the device will try to connect it
//! (Up to seven profiles).
//! 3) If fast and profiles are not found, and open mode is
//! enabled, the device will try to connect to any AP.
//! * Note that the policy settings are stored in the CC3000 NVMEM.
//!
//! @sa wlan_add_profile , wlan_ioctl_del_profile
//
//*****************************************************************************
long
wlan_ioctl_set_connection_policy(unsigned long should_connect_to_open_ap,
unsigned long ulShouldUseFastConnect,
unsigned long ulUseProfiles)
{
long ret;
unsigned char *ptr;
unsigned char *args;
ret = EFAIL;
ptr = tSLInformation.pucTxCommandBuffer;
args = (unsigned char *)(ptr + HEADERS_SIZE_CMD);
// Fill in HCI packet structure
args = UINT32_TO_STREAM(args, should_connect_to_open_ap);
args = UINT32_TO_STREAM(args, ulShouldUseFastConnect);
args = UINT32_TO_STREAM(args, ulUseProfiles);
// Initiate a HCI command
hci_command_send(HCI_CMND_WLAN_IOCTL_SET_CONNECTION_POLICY,
ptr, WLAN_SET_CONNECTION_POLICY_PARAMS_LEN);
// Wait for command complete event
SimpleLinkWaitEvent(HCI_CMND_WLAN_IOCTL_SET_CONNECTION_POLICY, &ret);
return(ret);
}
//*****************************************************************************
//
//! wlan_add_profile
//!
//! @param ulSecType WLAN_SEC_UNSEC,WLAN_SEC_WEP,WLAN_SEC_WPA,WLAN_SEC_WPA2
//! @param ucSsid ssid SSID up to 32 bytes
//! @param ulSsidLen ssid length
//! @param ucBssid bssid 6 bytes
//! @param ulPriority ulPriority profile priority. Lowest priority:0.
//! @param ulPairwiseCipher_Or_TxKeyLen key length for WEP security
//! @param ulGroupCipher_TxKeyIndex key index
//! @param ulKeyMgmt KEY management
//! @param ucPf_OrKey security key
//! @param ulPassPhraseLen security key length for WPA\WPA2
//!
//! @return On success, zero is returned. On error, -1 is returned
//!
//! @brief When auto start is enabled, the device connects to
//! station from the profiles table. Up to 7 profiles are supported.
//! If several profiles configured the device choose the highest
//! priority profile, within each priority group, device will choose
//! profile based on security policy, signal strength, etc
//! parameters. All the profiles are stored in CC3000 NVMEM.
//!
//! @sa wlan_ioctl_del_profile
//
//*****************************************************************************
#ifndef CC3000_TINY_DRIVER
long
wlan_add_profile(unsigned long ulSecType,
unsigned char* ucSsid,
unsigned long ulSsidLen,
unsigned char *ucBssid,
unsigned long ulPriority,
unsigned long ulPairwiseCipher_Or_TxKeyLen,
unsigned long ulGroupCipher_TxKeyIndex,
unsigned long ulKeyMgmt,
unsigned char* ucPf_OrKey,
unsigned long ulPassPhraseLen)
{
unsigned short arg_len;
long ret;
unsigned char *ptr;
long i = 0;
unsigned char *args;
unsigned char bssid_zero[] = {0, 0, 0, 0, 0, 0};
ptr = tSLInformation.pucTxCommandBuffer;
args = (ptr + HEADERS_SIZE_CMD);
args = UINT32_TO_STREAM(args, ulSecType);
// Setup arguments in accordance with the security type
switch (ulSecType)
{
//OPEN
case WLAN_SEC_UNSEC:
{
args = UINT32_TO_STREAM(args, 0x00000014);
args = UINT32_TO_STREAM(args, ulSsidLen);
args = UINT16_TO_STREAM(args, 0);
if(ucBssid)
{
ARRAY_TO_STREAM(args, ucBssid, ETH_ALEN);
}
else
{
ARRAY_TO_STREAM(args, bssid_zero, ETH_ALEN);
}
args = UINT32_TO_STREAM(args, ulPriority);
ARRAY_TO_STREAM(args, ucSsid, ulSsidLen);
arg_len = WLAN_ADD_PROFILE_NOSEC_PARAM_LEN + ulSsidLen;
}
break;
//WEP
case WLAN_SEC_WEP:
{
args = UINT32_TO_STREAM(args, 0x00000020);
args = UINT32_TO_STREAM(args, ulSsidLen);
args = UINT16_TO_STREAM(args, 0);
if(ucBssid)
{
ARRAY_TO_STREAM(args, ucBssid, ETH_ALEN);
}
else
{
ARRAY_TO_STREAM(args, bssid_zero, ETH_ALEN);
}
args = UINT32_TO_STREAM(args, ulPriority);
args = UINT32_TO_STREAM(args, 0x0000000C + ulSsidLen);
args = UINT32_TO_STREAM(args, ulPairwiseCipher_Or_TxKeyLen);
args = UINT32_TO_STREAM(args, ulGroupCipher_TxKeyIndex);
ARRAY_TO_STREAM(args, ucSsid, ulSsidLen);
for(i = 0; i < 4; i++)
{
unsigned char *p = &ucPf_OrKey[i * ulPairwiseCipher_Or_TxKeyLen];
ARRAY_TO_STREAM(args, p, ulPairwiseCipher_Or_TxKeyLen);
}
arg_len = WLAN_ADD_PROFILE_WEP_PARAM_LEN + ulSsidLen +
ulPairwiseCipher_Or_TxKeyLen * 4;
}
break;
//WPA
//WPA2
case WLAN_SEC_WPA:
case WLAN_SEC_WPA2:
{
args = UINT32_TO_STREAM(args, 0x00000028);
args = UINT32_TO_STREAM(args, ulSsidLen);
args = UINT16_TO_STREAM(args, 0);
if(ucBssid)
{
ARRAY_TO_STREAM(args, ucBssid, ETH_ALEN);
}
else
{
ARRAY_TO_STREAM(args, bssid_zero, ETH_ALEN);
}
args = UINT32_TO_STREAM(args, ulPriority);
args = UINT32_TO_STREAM(args, ulPairwiseCipher_Or_TxKeyLen);
args = UINT32_TO_STREAM(args, ulGroupCipher_TxKeyIndex);
args = UINT32_TO_STREAM(args, ulKeyMgmt);
args = UINT32_TO_STREAM(args, 0x00000008 + ulSsidLen);
args = UINT32_TO_STREAM(args, ulPassPhraseLen);
ARRAY_TO_STREAM(args, ucSsid, ulSsidLen);
ARRAY_TO_STREAM(args, ucPf_OrKey, ulPassPhraseLen);
arg_len = WLAN_ADD_PROFILE_WPA_PARAM_LEN + ulSsidLen + ulPassPhraseLen;
}
break;
}
// Initiate a HCI command
hci_command_send(HCI_CMND_WLAN_IOCTL_ADD_PROFILE,
ptr, arg_len);
// Wait for command complete event
SimpleLinkWaitEvent(HCI_CMND_WLAN_IOCTL_ADD_PROFILE, &ret);
return(ret);
}
#else
long
wlan_add_profile(unsigned long ulSecType,
unsigned char* ucSsid,
unsigned long ulSsidLen,
unsigned char *ucBssid,
unsigned long ulPriority,
unsigned long ulPairwiseCipher_Or_TxKeyLen,
unsigned long ulGroupCipher_TxKeyIndex,
unsigned long ulKeyMgmt,
unsigned char* ucPf_OrKey,
unsigned long ulPassPhraseLen)
{
return -1;
}
#endif
//*****************************************************************************
//
//! wlan_ioctl_del_profile
//!
//! @param index number of profile to delete
//!
//! @return On success, zero is returned. On error, -1 is returned
//!
//! @brief Delete WLAN profile
//!
//! @Note In order to delete all stored profile, set index to 255.
//!
//! @sa wlan_add_profile
//
//*****************************************************************************
long
wlan_ioctl_del_profile(unsigned long ulIndex)
{
long ret;
unsigned char *ptr;
unsigned char *args;
ptr = tSLInformation.pucTxCommandBuffer;
args = (unsigned char *)(ptr + HEADERS_SIZE_CMD);
// Fill in HCI packet structure
args = UINT32_TO_STREAM(args, ulIndex);
ret = EFAIL;
// Initiate a HCI command
hci_command_send(HCI_CMND_WLAN_IOCTL_DEL_PROFILE,
ptr, WLAN_DEL_PROFILE_PARAMS_LEN);
// Wait for command complete event
SimpleLinkWaitEvent(HCI_CMND_WLAN_IOCTL_DEL_PROFILE, &ret);
return(ret);
}
//*****************************************************************************
//
//! wlan_ioctl_get_scan_results
//!
//! @param[in] scan_timeout parameter not supported
//! @param[out] ucResults scan results (_wlan_full_scan_results_args_t)
//!
//! @return On success, zero is returned. On error, -1 is returned
//!
//! @brief Gets entry from scan result table.
//! The scan results are returned one by one, and each entry
//! represents a single AP found in the area. The following is a
//! format of the scan result:
//! - 4 Bytes: number of networks found
//! - 4 Bytes: The status of the scan: 0 - aged results,
//! 1 - results valid, 2 - no results
//! - 42 bytes: Result entry, where the bytes are arranged as follows:
//!
//! - 1 bit isValid - is result valid or not
//! - 7 bits rssi - RSSI value;
//! - 2 bits: securityMode - security mode of the AP:
//! 0 - Open, 1 - WEP, 2 WPA, 3 WPA2
//! - 6 bits: SSID name length
//! - 2 bytes: the time at which the entry has entered into
//! scans result table
//! - 32 bytes: SSID name
//! - 6 bytes: BSSID
//!
//! @Note scan_timeout, is not supported on this version.
//!
//! @sa wlan_ioctl_set_scan_params
//
//*****************************************************************************
#ifndef CC3000_TINY_DRIVER
long
wlan_ioctl_get_scan_results(unsigned long ulScanTimeout,
unsigned char *ucResults)
{
unsigned char *ptr;
unsigned char *args;
ptr = tSLInformation.pucTxCommandBuffer;
args = (ptr + HEADERS_SIZE_CMD);
// Fill in temporary command buffer
args = UINT32_TO_STREAM(args, ulScanTimeout);
// Initiate a HCI command
hci_command_send(HCI_CMND_WLAN_IOCTL_GET_SCAN_RESULTS,
ptr, WLAN_GET_SCAN_RESULTS_PARAMS_LEN);
// Wait for command complete event
SimpleLinkWaitEvent(HCI_CMND_WLAN_IOCTL_GET_SCAN_RESULTS, ucResults);
return(0);
}
#endif
//*****************************************************************************
//
//! wlan_ioctl_set_scan_params
//!
//! @param uiEnable - start/stop application scan:
//! 1 = start scan with default interval value of 10 min.
//! in order to set a different scan interval value apply the value
//! in milliseconds. minimum 1 second. 0=stop). Wlan reset
//! (wlan_stop() wlan_start()) is needed when changing scan interval
//! value. Saved: No
//! @param uiMinDwellTime minimum dwell time value to be used for each
//! channel, in milliseconds. Saved: yes
//! Recommended Value: 100 (Default: 20)
//! @param uiMaxDwellTime maximum dwell time value to be used for each
//! channel, in milliseconds. Saved: yes
//! Recommended Value: 100 (Default: 30)
//! @param uiNumOfProbeRequests max probe request between dwell time.
//! Saved: yes. Recommended Value: 5 (Default:2)
//! @param uiChannelMask bitwise, up to 13 channels (0x1fff).
//! Saved: yes. Default: 0x7ff
//! @param uiRSSIThreshold RSSI threshold. Saved: yes (Default: -80)
//! @param uiSNRThreshold NSR threshold. Saved: yes (Default: 0)
//! @param uiDefaultTxPower probe Tx power. Saved: yes (Default: 205)
//! @param aiIntervalList pointer to array with 16 entries (16 channels)
//! each entry (unsigned long) holds timeout between periodic scan
//! (connection scan) - in millisecond. Saved: yes. Default 2000ms.
//!
//! @return On success, zero is returned. On error, -1 is returned
//!
//! @brief start and stop scan procedure. Set scan parameters.
//!
//! @Note uiDefaultTxPower, is not supported on this version.
//!
//! @sa wlan_ioctl_get_scan_results
//
//*****************************************************************************
#ifndef CC3000_TINY_DRIVER
long
wlan_ioctl_set_scan_params(unsigned long uiEnable, unsigned long uiMinDwellTime,
unsigned long uiMaxDwellTime,
unsigned long uiNumOfProbeRequests,
unsigned long uiChannelMask,long iRSSIThreshold,
unsigned long uiSNRThreshold,
unsigned long uiDefaultTxPower,
unsigned long *aiIntervalList)
{
unsigned long uiRes;
unsigned char *ptr;
unsigned char *args;
ptr = tSLInformation.pucTxCommandBuffer;
args = (ptr + HEADERS_SIZE_CMD);
// Fill in temporary command buffer
args = UINT32_TO_STREAM(args, 36);
args = UINT32_TO_STREAM(args, uiEnable);
args = UINT32_TO_STREAM(args, uiMinDwellTime);
args = UINT32_TO_STREAM(args, uiMaxDwellTime);
args = UINT32_TO_STREAM(args, uiNumOfProbeRequests);
args = UINT32_TO_STREAM(args, uiChannelMask);
args = UINT32_TO_STREAM(args, iRSSIThreshold);
args = UINT32_TO_STREAM(args, uiSNRThreshold);
args = UINT32_TO_STREAM(args, uiDefaultTxPower);
ARRAY_TO_STREAM(args, aiIntervalList, sizeof(unsigned long) *
SL_SET_SCAN_PARAMS_INTERVAL_LIST_SIZE);
// Initiate a HCI command
hci_command_send(HCI_CMND_WLAN_IOCTL_SET_SCANPARAM,
ptr, WLAN_SET_SCAN_PARAMS_LEN);
// Wait for command complete event
SimpleLinkWaitEvent(HCI_CMND_WLAN_IOCTL_SET_SCANPARAM, &uiRes);
return(uiRes);
}
#endif
//*****************************************************************************
//
//! wlan_set_event_mask
//!
//! @param mask mask option:
//! HCI_EVNT_WLAN_UNSOL_CONNECT connect event
//! HCI_EVNT_WLAN_UNSOL_DISCONNECT disconnect event
//! HCI_EVNT_WLAN_ASYNC_SIMPLE_CONFIG_DONE smart config done
//! HCI_EVNT_WLAN_UNSOL_INIT init done
//! HCI_EVNT_WLAN_UNSOL_DHCP dhcp event report
//! HCI_EVNT_WLAN_ASYNC_PING_REPORT ping report
//! HCI_EVNT_WLAN_KEEPALIVE keepalive
//! HCI_EVNT_WLAN_TX_COMPLETE - disable information on end of transmission
//! Saved: no.
//!
//! @return On success, zero is returned. On error, -1 is returned
//!
//! @brief Mask event according to bit mask. In case that event is
//! masked (1), the device will not send the masked event to host.
//
//*****************************************************************************
long
wlan_set_event_mask(unsigned long ulMask)
{
long ret;
unsigned char *ptr;
unsigned char *args;
if ((ulMask & HCI_EVNT_WLAN_TX_COMPLETE) == HCI_EVNT_WLAN_TX_COMPLETE)
{
tSLInformation.InformHostOnTxComplete = 0;
// Since an event is a virtual event - i.e. it is not coming from CC3000
// there is no need to send anything to the device if it was an only event
if (ulMask == HCI_EVNT_WLAN_TX_COMPLETE)
{
return 0;
}
ulMask &= ~HCI_EVNT_WLAN_TX_COMPLETE;
ulMask |= HCI_EVNT_WLAN_UNSOL_BASE;
}
else
{
tSLInformation.InformHostOnTxComplete = 1;
}
ret = EFAIL;
ptr = tSLInformation.pucTxCommandBuffer;
args = (unsigned char *)(ptr + HEADERS_SIZE_CMD);
// Fill in HCI packet structure
args = UINT32_TO_STREAM(args, ulMask);
// Initiate a HCI command
hci_command_send(HCI_CMND_EVENT_MASK,
ptr, WLAN_SET_MASK_PARAMS_LEN);
// Wait for command complete event
SimpleLinkWaitEvent(HCI_CMND_EVENT_MASK, &ret);
return(ret);
}
//*****************************************************************************
//
//! wlan_ioctl_statusget
//!
//! @param none
//!
//! @return WLAN_STATUS_DISCONNECTED, WLAN_STATUS_SCANING,
//! STATUS_CONNECTING or WLAN_STATUS_CONNECTED
//!
//! @brief get wlan status: disconnected, scanning, connecting or connected
//
//*****************************************************************************
#ifndef CC3000_TINY_DRIVER
long
wlan_ioctl_statusget(void)
{
long ret;
unsigned char *ptr;
ret = EFAIL;
ptr = tSLInformation.pucTxCommandBuffer;
hci_command_send(HCI_CMND_WLAN_IOCTL_STATUSGET,
ptr, 0);
// Wait for command complete event
SimpleLinkWaitEvent(HCI_CMND_WLAN_IOCTL_STATUSGET, &ret);
return(ret);
}
#endif
//*****************************************************************************
//
//! wlan_smart_config_start
//!
//! @param algoEncryptedFlag indicates whether the information is encrypted
//!
//! @return On success, zero is returned. On error, -1 is returned
//!
//! @brief Start to acquire device profile. The device acquire its own
//! profile, if profile message is found. The acquired AP information
//! is stored in CC3000 EEPROM only in case AES128 encryption is used.
//! In case AES128 encryption is not used, a profile is created by
//! CC3000 internally.
//!
//! @Note An asynchronous event - Smart Config Done will be generated as soon
//! as the process finishes successfully.
//!
//! @sa wlan_smart_config_set_prefix , wlan_smart_config_stop
//
//*****************************************************************************
long
wlan_smart_config_start(unsigned long algoEncryptedFlag)
{
long ret;
unsigned char *ptr;
unsigned char *args;
ret = EFAIL;
ptr = tSLInformation.pucTxCommandBuffer;
args = (unsigned char *)(ptr + HEADERS_SIZE_CMD);
// Fill in HCI packet structure
args = UINT32_TO_STREAM(args, algoEncryptedFlag);
ret = EFAIL;
hci_command_send(HCI_CMND_WLAN_IOCTL_SIMPLE_CONFIG_START, ptr,
WLAN_SMART_CONFIG_START_PARAMS_LEN);
// Wait for command complete event
SimpleLinkWaitEvent(HCI_CMND_WLAN_IOCTL_SIMPLE_CONFIG_START, &ret);
return(ret);
}
//*****************************************************************************
//
//! wlan_smart_config_stop
//!
//! @param algoEncryptedFlag indicates whether the information is encrypted
//!
//! @return On success, zero is returned. On error, -1 is returned
//!
//! @brief Stop the acquire profile procedure
//!
//! @sa wlan_smart_config_start , wlan_smart_config_set_prefix
//
//*****************************************************************************
long
wlan_smart_config_stop(void)
{
long ret;
unsigned char *ptr;
ret = EFAIL;
ptr = tSLInformation.pucTxCommandBuffer;
hci_command_send(HCI_CMND_WLAN_IOCTL_SIMPLE_CONFIG_STOP, ptr, 0);
// Wait for command complete event
SimpleLinkWaitEvent(HCI_CMND_WLAN_IOCTL_SIMPLE_CONFIG_STOP, &ret);
return(ret);
}
//*****************************************************************************
//
//! wlan_smart_config_set_prefix
//!
//! @param newPrefix 3 bytes identify the SSID prefix for the Smart Config.
//!
//! @return On success, zero is returned. On error, -1 is returned
//!
//! @brief Configure station ssid prefix. The prefix is used internally
//! in CC3000. It should always be TTT.
//!
//! @Note The prefix is stored in CC3000 NVMEM
//!
//! @sa wlan_smart_config_start , wlan_smart_config_stop
//
//*****************************************************************************
long
wlan_smart_config_set_prefix(char* cNewPrefix)
{
long ret;
unsigned char *ptr;
unsigned char *args;
ret = EFAIL;
ptr = tSLInformation.pucTxCommandBuffer;
args = (ptr + HEADERS_SIZE_CMD);
if (cNewPrefix == NULL)
return ret;
else // with the new Smart Config, prefix must be TTT
{
*cNewPrefix = 'T';
*(cNewPrefix + 1) = 'T';
*(cNewPrefix + 2) = 'T';
}
ARRAY_TO_STREAM(args, cNewPrefix, SL_SIMPLE_CONFIG_PREFIX_LENGTH);
hci_command_send(HCI_CMND_WLAN_IOCTL_SIMPLE_CONFIG_SET_PREFIX, ptr,
SL_SIMPLE_CONFIG_PREFIX_LENGTH);
// Wait for command complete event
SimpleLinkWaitEvent(HCI_CMND_WLAN_IOCTL_SIMPLE_CONFIG_SET_PREFIX, &ret);
return(ret);
}
//*****************************************************************************
//
//! wlan_smart_config_process
//!
//! @param none
//!
//! @return On success, zero is returned. On error, -1 is returned
//!
//! @brief process the acquired data and store it as a profile. The acquired
//! AP information is stored in CC3000 EEPROM encrypted.
//! The encrypted data is decrypted and stored as a profile.
//! behavior is as defined by connection policy.
//
//*****************************************************************************
#ifndef CC3000_UNENCRYPTED_SMART_CONFIG
long
wlan_smart_config_process()
{
signed long returnValue;
unsigned long ssidLen, keyLen;
unsigned char *decKeyPtr;
unsigned char *ssidPtr;
// read the key from EEPROM - fileID 12
returnValue = aes_read_key(key);
if (returnValue != 0)
return returnValue;
// read the received data from fileID #13 and parse it according to the followings:
// 1) SSID LEN - not encrypted
// 2) SSID - not encrypted
// 3) KEY LEN - not encrypted. always 32 bytes long
// 4) Security type - not encrypted
// 5) KEY - encrypted together with true key length as the first byte in KEY
// to elaborate, there are two corner cases:
// 1) the KEY is 32 bytes long. In this case, the first byte does not represent KEY length
// 2) the KEY is 31 bytes long. In this case, the first byte represent KEY length and equals 31
returnValue = nvmem_read(NVMEM_SHARED_MEM_FILEID, SMART_CONFIG_PROFILE_SIZE, 0, profileArray);
if (returnValue != 0)
return returnValue;
ssidPtr = &profileArray[1];
ssidLen = profileArray[0];
decKeyPtr = &profileArray[profileArray[0] + 3];
aes_decrypt(decKeyPtr, key);
if (profileArray[profileArray[0] + 1] > 16)
aes_decrypt((unsigned char *)(decKeyPtr + 16), key);
if (*(unsigned char *)(decKeyPtr +31) != 0)
{
if (*decKeyPtr == 31)
{
keyLen = 31;
decKeyPtr++;
}
else
{
keyLen = 32;
}
}
else
{
keyLen = *decKeyPtr;
decKeyPtr++;
}
// add a profile
switch (profileArray[profileArray[0] + 2])
{
case WLAN_SEC_UNSEC://None
{
returnValue = wlan_add_profile(profileArray[profileArray[0] + 2], // security type
ssidPtr, // SSID
ssidLen, // SSID length
NULL, // BSSID
1, // Priority
0, 0, 0, 0, 0);
break;
}
case WLAN_SEC_WEP://WEP
{
returnValue = wlan_add_profile(profileArray[profileArray[0] + 2], // security type
ssidPtr, // SSID
ssidLen, // SSID length
NULL, // BSSID
1, // Priority
keyLen, // KEY length
0, // KEY index
0,
decKeyPtr, // KEY
0);
break;
}
case WLAN_SEC_WPA://WPA
case WLAN_SEC_WPA2://WPA2
{
returnValue = wlan_add_profile(WLAN_SEC_WPA2, // security type
ssidPtr,
ssidLen,
NULL, // BSSID
1, // Priority
0x18, // PairwiseCipher
0x1e, // GroupCipher
2, // KEY management
decKeyPtr, // KEY
keyLen); // KEY length
break;
}
}
return returnValue;
}
#endif //CC3000_UNENCRYPTED_SMART_CONFIG
//*****************************************************************************
//
// Close the Doxygen group.
//! @}
//
//*****************************************************************************
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