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cc3200: Add support for connecting to WEP secured networks.

This commit is contained in:
danicampora 2015-02-21 22:08:36 +01:00
parent 18605b36dc
commit 92ea99a0fb
1 changed files with 48 additions and 27 deletions
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75
cc3200/mods/modwlan.c
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@ -735,30 +735,47 @@ STATIC mp_obj_t wlan_setpm(mp_obj_t self_in, mp_obj_t pm_mode) {
}
STATIC MP_DEFINE_CONST_FUN_OBJ_2(wlan_setpm_obj, wlan_setpm);
/// \method connect(ssid, key=None, *, security=OPEN, bssid=None)
/// \method connect(ssid, security=OPEN, key=None, bssid=None)
// if security is WPA/WPA2, the key must be a string
/// if security is WEP, the key must be binary
STATIC mp_obj_t wlan_connect(mp_uint_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) {
STATIC const mp_arg_t allowed_args[] = {
{ MP_QSTR_ssid, MP_ARG_REQUIRED | MP_ARG_OBJ, {.u_obj = MP_OBJ_NULL} },
{ MP_QSTR_key, MP_ARG_KW_ONLY | MP_ARG_OBJ, {.u_obj = mp_const_none} },
{ MP_QSTR_security, MP_ARG_KW_ONLY | MP_ARG_INT, {.u_int = SL_SEC_TYPE_OPEN} },
{ MP_QSTR_key, MP_ARG_KW_ONLY | MP_ARG_OBJ, {.u_obj = mp_const_none} },
{ MP_QSTR_bssid, MP_ARG_KW_ONLY | MP_ARG_OBJ, {.u_obj = mp_const_none} },
};
// check for correct wlan mode
if (wlan_obj.mode != ROLE_STA && wlan_obj.mode != ROLE_P2P) {
nlr_raise(mp_obj_new_exception_msg(&mp_type_OSError, mpexception_os_request_not_possible));
}
// parse args
mp_arg_val_t args[MP_ARRAY_SIZE(allowed_args)];
mp_arg_parse_all(n_args - 1, pos_args + 1, kw_args, MP_ARRAY_SIZE(allowed_args), allowed_args, args);
// get ssid
// get the ssid
mp_uint_t ssid_len;
const char *ssid = mp_obj_str_get_data(args[0].u_obj, &ssid_len);
// get key and sec
// get the security type
mp_uint_t sec = args[1].u_int;
// get key and its len
mp_uint_t key_len = 0;
const char *key = NULL;
mp_uint_t sec = SL_SEC_TYPE_OPEN;
if (args[1].u_obj != mp_const_none) {
key = mp_obj_str_get_data(args[1].u_obj, &key_len);
sec = args[2].u_int;
mp_buffer_info_t wepkey;
if (args[2].u_obj != mp_const_none) {
// wep key must be given as raw bytes
if (sec == SL_SEC_TYPE_WEP) {
mp_get_buffer_raise(args[2].u_obj, &wepkey, MP_BUFFER_READ);
key = wepkey.buf;
key_len = wepkey.len;
}
else {
key = mp_obj_str_get_data(args[2].u_obj, &key_len);
}
}
// get bssid
@ -767,23 +784,22 @@ STATIC mp_obj_t wlan_connect(mp_uint_t n_args, const mp_obj_t *pos_args, mp_map_
bssid = mp_obj_str_get_str(args[3].u_obj);
}
if (wlan_obj.mode != ROLE_STA) {
nlr_raise(mp_obj_new_exception_msg(&mp_type_OSError, mpexception_os_request_not_possible));
}
else {
if (GET_STATUS_BIT(wlan_obj.status, STATUS_BIT_CONNECTION)) {
if (0 == sl_WlanDisconnect()) {
while (IS_CONNECTED(wlan_obj.status)) {
HAL_Delay (5);
}
if (GET_STATUS_BIT(wlan_obj.status, STATUS_BIT_CONNECTION)) {
if (0 == sl_WlanDisconnect()) {
while (IS_CONNECTED(wlan_obj.status)) {
HAL_Delay (5);
}
}
// connect to the requested access point
modwlan_Status_t status;
status = wlan_do_connect (ssid, ssid_len, bssid, sec, key, key_len);
if (status != MODWLAN_OK) {
nlr_raise(mp_obj_new_exception_msg(&mp_type_OSError, mpexception_os_operation_failed));
}
}
// connect to the requested access point
modwlan_Status_t status;
status = wlan_do_connect (ssid, ssid_len, bssid, sec, key, key_len);
if (status == MODWLAN_ERROR_TIMEOUT) {
nlr_raise(mp_obj_new_exception_msg(&mp_type_OSError, mpexception_os_operation_failed));
}
else if (status == MODWLAN_ERROR_INVALID_PARAMS) {
nlr_raise(mp_obj_new_exception_msg(&mp_type_ValueError, mpexception_value_invalid_arguments));
}
return mp_const_none;
@ -812,12 +828,17 @@ STATIC mp_obj_t wlan_isconnected(mp_obj_t self_in) {
STATIC MP_DEFINE_CONST_FUN_OBJ_1(wlan_isconnected_obj, wlan_isconnected);
/// \method getip()
/// Get the IP
///
/// - Returns the acquired IP address
/// return the ip address or None if not connected
///
STATIC mp_obj_t wlan_getip(mp_obj_t self_in) {
return mod_network_format_ipv4_addr ((uint8_t *)&wlan_obj.ip);
uint32_t ip;
wlan_get_ip (&ip);
if (ip) {
return mod_network_format_ipv4_addr ((uint8_t *)&ip);
}
else {
return mp_const_none;
}
}
STATIC MP_DEFINE_CONST_FUN_OBJ_1(wlan_getip_obj, wlan_getip);