1 files changed, 43 insertions, 0 deletions
diff --git a/Marlin/src/HAL/shared/esp_wifi.cpp b/Marlin/src/HAL/shared/esp_wifi.cpp
new file mode 100644
index 0000000..a55f5ca
--- /dev/null
+++ b/Marlin/src/HAL/shared/esp_wifi.cpp
@@ -0,0 +1,43 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+
+#include "../../inc/MarlinConfig.h"
+#include "Delay.h"
+
+void esp_wifi_init(void) {                          // init ESP01 WIFI module pins
+  #if PIN_EXISTS(ESP_WIFI_MODULE_GPIO0)
+    OUT_WRITE(ESP_WIFI_MODULE_GPIO0_PIN, HIGH);
+  #endif
+  #if PIN_EXISTS(ESP_WIFI_MODULE_GPIO2)
+    OUT_WRITE(ESP_WIFI_MODULE_GPIO2_PIN, HIGH);
+  #endif
+  #if PIN_EXISTS(ESP_WIFI_MODULE_RESET)
+    delay(1);  // power up delay (0.1mS minimum)
+    OUT_WRITE(ESP_WIFI_MODULE_RESET_PIN, LOW);
+    delay(1);
+    OUT_WRITE(ESP_WIFI_MODULE_RESET_PIN, HIGH);
+  #endif
+  #if PIN_EXISTS(ESP_WIFI_MODULE_ENABLE)
+    delay(1);  // delay after reset released (0.1mS minimum)
+    OUT_WRITE(ESP_WIFI_MODULE_ENABLE_PIN, HIGH);
+  #endif
+}