Adding manual IP address set

Author: gamblor21

ports/espressif/common-hal/wifi/Radio.c

@@ -398,6 +398,25 @@ mp_obj_t common_hal_wifi_radio_get_ipv4_dns(wifi_radio_obj_t *self) {
     return common_hal_ipaddress_new_ipv4address(self->dns_info.ip.u_addr.ip4.addr);
 }
 
+void common_hal_wifi_radio_start_dhcp_client(wifi_radio_obj_t *self) {
+    esp_netif_dhcpc_start(self->netif);
+}
+
+void common_hal_wifi_radio_stop_dhcp_client(wifi_radio_obj_t *self) {
+    esp_netif_dhcpc_stop(self->netif);
+}
+
+void common_hal_wifi_radio_set_ipv4_address(wifi_radio_obj_t *self, mp_obj_t ipv4, mp_obj_t netmask, mp_obj_t gateway) {
+    common_hal_wifi_radio_stop_dhcp_client(self); // Must stop DHCP to set a manual address
+
+    esp_netif_ip_info_t ip_info;
+    ipaddress_ipaddress_to_esp_idf_ip4(ipv4, &ip_info.ip);
+    ipaddress_ipaddress_to_esp_idf_ip4(netmask, &ip_info.netmask);
+    ipaddress_ipaddress_to_esp_idf_ip4(gateway, &ip_info.gw);
+
+    esp_netif_set_ip_info(self->netif, &ip_info);
+}
+
 mp_int_t common_hal_wifi_radio_ping(wifi_radio_obj_t *self, mp_obj_t ip_address, mp_float_t timeout) {
     esp_ping_config_t ping_config = ESP_PING_DEFAULT_CONFIG();
     ipaddress_ipaddress_to_esp_idf(ip_address, &ping_config.target_addr);

ports/espressif/common-hal/wifi/__init__.c

@@ -189,6 +189,16 @@ void ipaddress_ipaddress_to_esp_idf(mp_obj_t ip_address, ip_addr_t *esp_ip_addre
     IP_ADDR4(esp_ip_address, bytes[0], bytes[1], bytes[2], bytes[3]);
 }
 
+void ipaddress_ipaddress_to_esp_idf_ip4(mp_obj_t ip_address, esp_ip4_addr_t *esp_ip_address) {
+    if (!mp_obj_is_type(ip_address, &ipaddress_ipv4address_type)) {
+        mp_raise_ValueError(translate("Only IPv4 addresses supported"));
+    }
+    mp_obj_t packed = common_hal_ipaddress_ipv4address_get_packed(ip_address);
+    size_t len;
+    const char *bytes = mp_obj_str_get_data(packed, &len);
+    esp_netif_set_ip4_addr(esp_ip_address, bytes[0], bytes[1], bytes[2], bytes[3]);
+}
+
 void common_hal_wifi_gc_collect(void) {
     common_hal_wifi_radio_gc_collect(&common_hal_wifi_radio_obj);
 }

ports/espressif/common-hal/wifi/__init__.h

@@ -30,9 +30,11 @@
 #include "py/obj.h"
 
 #include "lwip/api.h"
+#include "components/esp_wifi/include/esp_wifi.h"
 
 void wifi_reset(void);
 
 void ipaddress_ipaddress_to_esp_idf(mp_obj_t ip_address, ip_addr_t *esp_ip_address);
+void ipaddress_ipaddress_to_esp_idf_ip4(mp_obj_t ip_address, esp_ip4_addr_t *esp_ip_address);
 
 #endif // MICROPY_INCLUDED_ESPRESSIF_COMMON_HAL_WIFI___INIT___H

shared-bindings/wifi/Radio.c

@@ -414,6 +414,27 @@ MP_DEFINE_CONST_FUN_OBJ_1(wifi_radio_get_ipv4_subnet_ap_obj, wifi_radio_get_ipv4
 MP_PROPERTY_GETTER(wifi_radio_ipv4_subnet_ap_obj,
     (mp_obj_t)&wifi_radio_get_ipv4_subnet_ap_obj);
 
+//|     def set_ipv4_address(self, ipv4: ipaddress.IPv4Address, netmask: ipaddress.IPv4Address, gateway: ipaddress.IPv4Address) -> None:
+//|         """Sets the IP v4 address of the station. Must include the netmask and gateway.
+//|            Setting the address manually will stop the DHCP client."""
+//|         ...
+STATIC mp_obj_t wifi_radio_set_ipv4_address(size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) {
+    enum { ARG_ipv4, ARG_netmask, ARG_gateway };
+    static const mp_arg_t allowed_args[] = {
+        { MP_QSTR_ipv4, MP_ARG_REQUIRED | MP_ARG_OBJ, },
+        { MP_QSTR_netmask, MP_ARG_REQUIRED | MP_ARG_OBJ, },
+        { MP_QSTR_gateway, MP_ARG_REQUIRED | MP_ARG_OBJ, },
+    };
+
+    wifi_radio_obj_t *self = MP_OBJ_TO_PTR(pos_args[0]);
+    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);
+
+    common_hal_wifi_radio_set_ipv4_address(self, args[ARG_ipv4].u_obj, args[ARG_netmask].u_obj, args[ARG_gateway].u_obj);
+    return mp_const_none;
+}
+STATIC MP_DEFINE_CONST_FUN_OBJ_KW(wifi_radio_set_ipv4_address_obj, 4, wifi_radio_set_ipv4_address);
+
 //|     ipv4_address: Optional[ipaddress.IPv4Address]
 //|     """IP v4 Address of the station when connected to an access point. None otherwise."""
 //|
@@ -459,6 +480,26 @@ STATIC mp_obj_t wifi_radio_get_ap_info(mp_obj_t self) {
 }
 MP_DEFINE_CONST_FUN_OBJ_1(wifi_radio_get_ap_info_obj, wifi_radio_get_ap_info);
 
+//|     def wifi_radio_start_dhcp_client(self) -> None:
+//|         """Starts the DHCP client."""
+//|         ...
+//|
+STATIC mp_obj_t wifi_radio_start_dhcp_client(mp_obj_t self) {
+    common_hal_wifi_radio_start_dhcp_client(self);
+    return mp_const_none;
+}
+MP_DEFINE_CONST_FUN_OBJ_1(wifi_radio_start_dhcp_client_obj, wifi_radio_start_dhcp_client);
+
+//|     def wifi_radio_stop_dhcp_client(self) -> None:
+//|         """Stops the DHCP client. Needed to assign a static IP address."""
+//|         ...
+//|
+STATIC mp_obj_t wifi_radio_stop_dhcp_client(mp_obj_t self) {
+    common_hal_wifi_radio_stop_dhcp_client(self);
+    return mp_const_none;
+}
+MP_DEFINE_CONST_FUN_OBJ_1(wifi_radio_stop_dhcp_client_obj, wifi_radio_stop_dhcp_client);
+
 MP_PROPERTY_GETTER(wifi_radio_ap_info_obj,
     (mp_obj_t)&wifi_radio_get_ap_info_obj);
 
@@ -509,6 +550,9 @@ STATIC const mp_rom_map_elem_t wifi_radio_locals_dict_table[] = {
     { MP_ROM_QSTR(MP_QSTR_start_ap),    MP_ROM_PTR(&wifi_radio_start_ap_obj) },
     { MP_ROM_QSTR(MP_QSTR_stop_ap),    MP_ROM_PTR(&wifi_radio_stop_ap_obj) },
 
+    { MP_ROM_QSTR(MP_QSTR_start_dhcp),    MP_ROM_PTR(&wifi_radio_start_dhcp_client_obj) },
+    { MP_ROM_QSTR(MP_QSTR_stop_dhcp),    MP_ROM_PTR(&wifi_radio_stop_dhcp_client_obj) },
+
     { MP_ROM_QSTR(MP_QSTR_connect),    MP_ROM_PTR(&wifi_radio_connect_obj) },
     // { MP_ROM_QSTR(MP_QSTR_connect_to_enterprise),    MP_ROM_PTR(&wifi_radio_connect_to_enterprise_obj) },
 
@@ -521,6 +565,8 @@ STATIC const mp_rom_map_elem_t wifi_radio_locals_dict_table[] = {
     { MP_ROM_QSTR(MP_QSTR_ipv4_address),    MP_ROM_PTR(&wifi_radio_ipv4_address_obj) },
     { MP_ROM_QSTR(MP_QSTR_ipv4_address_ap),    MP_ROM_PTR(&wifi_radio_ipv4_address_ap_obj) },
 
+    { MP_ROM_QSTR(MP_QSTR_set_ipv4_address),    MP_ROM_PTR(&wifi_radio_set_ipv4_address_obj) },
+
     // { MP_ROM_QSTR(MP_QSTR_access_point_active),   MP_ROM_PTR(&wifi_radio_access_point_active_obj) },
     // { MP_ROM_QSTR(MP_QSTR_start_access_point), MP_ROM_PTR(&wifi_radio_start_access_point_obj) },
 

shared-bindings/wifi/Radio.h

@@ -91,6 +91,9 @@ extern void common_hal_wifi_radio_stop_station(wifi_radio_obj_t *self);
 extern void common_hal_wifi_radio_start_ap(wifi_radio_obj_t *self, uint8_t *ssid, size_t ssid_len, uint8_t *password, size_t password_len, uint8_t channel, uint8_t authmode, uint8_t max_connections);
 extern void common_hal_wifi_radio_stop_ap(wifi_radio_obj_t *self);
 
+extern void common_hal_wifi_radio_start_dhcp_client(wifi_radio_obj_t *self);
+extern void common_hal_wifi_radio_stop_dhcp_client(wifi_radio_obj_t *self);
+
 extern wifi_radio_error_t common_hal_wifi_radio_connect(wifi_radio_obj_t *self, uint8_t *ssid, size_t ssid_len, uint8_t *password, size_t password_len, uint8_t channel, mp_float_t timeout, uint8_t *bssid, size_t bssid_len);
 
 extern mp_obj_t common_hal_wifi_radio_get_ap_info(wifi_radio_obj_t *self);
@@ -102,6 +105,8 @@ extern mp_obj_t common_hal_wifi_radio_get_ipv4_subnet_ap(wifi_radio_obj_t *self)
 extern mp_obj_t common_hal_wifi_radio_get_ipv4_address(wifi_radio_obj_t *self);
 extern mp_obj_t common_hal_wifi_radio_get_ipv4_address_ap(wifi_radio_obj_t *self);
 
+extern void common_hal_wifi_radio_set_ipv4_address(wifi_radio_obj_t *self, mp_obj_t ipv4, mp_obj_t netmask, mp_obj_t gateway);
+
 extern mp_int_t common_hal_wifi_radio_ping(wifi_radio_obj_t *self, mp_obj_t ip_address, mp_float_t timeout);
 
 #endif // MICROPY_INCLUDED_SHARED_BINDINGS_WIFI_RADIO_H