From 82f7e2012efb31e5fd35c4f5401d6f73c79b6c2a Mon Sep 17 00:00:00 2001
From: Linar Yusupov <linar.r.yusupov@gmail.com>
Date: Thu, 14 Mar 2024 13:38:59 +0300
Subject: [PATCH] nRF52: bringup of Wi-Fi 'co-processor' with 'Esp-AT' firmware

---
 software/firmware/source/SoftRF/src/driver/WiFi.cpp   |  9 ++++++++-
 .../firmware/source/SoftRF/src/platform/nRF52.cpp     | 11 ++++++++++-
 software/firmware/source/SoftRF/src/platform/nRF52.h  |  2 +-
 3 files changed, 19 insertions(+), 3 deletions(-)

diff --git a/software/firmware/source/SoftRF/src/driver/WiFi.cpp b/software/firmware/source/SoftRF/src/driver/WiFi.cpp
index 0c7284080..2d65c3f87 100644
--- a/software/firmware/source/SoftRF/src/driver/WiFi.cpp
+++ b/software/firmware/source/SoftRF/src/driver/WiFi.cpp
@@ -116,13 +116,16 @@ void WiFi_setup()
   if (WiFi.status() == WL_NO_MODULE) {
     Serial.println("Communication with WiFi module failed!");
     // don't continue
-    while (true);
+    // while (true);
+    return;
   }
 
+#if !defined(_WIFI_ESP_AT_H_)
   String fv = WiFi.firmwareVersion();
   if (fv < WIFI_FIRMWARE_LATEST_VERSION) {
     Serial.println("Please upgrade the firmware");
   }
+#endif /* _WIFI_ESP_AT_H_ */
 
   WiFi.setHostname(host_name.c_str());
 
@@ -340,7 +343,11 @@ void WiFi_fini()
   Uni_Udp.stop();
 
 #if defined(USE_ARDUINO_WIFI)
+#if !defined(_WIFI_ESP_AT_H_)
   WiFi.end();
+#else
+  WiFi.endAP();
+#endif /* _WIFI_ESP_AT_H_ */
 #else
   WiFi.mode(WIFI_OFF);
 #endif /* USE_ARDUINO_WIFI */
diff --git a/software/firmware/source/SoftRF/src/platform/nRF52.cpp b/software/firmware/source/SoftRF/src/platform/nRF52.cpp
index b247934dc..66563e568 100644
--- a/software/firmware/source/SoftRF/src/platform/nRF52.cpp
+++ b/software/firmware/source/SoftRF/src/platform/nRF52.cpp
@@ -610,8 +610,10 @@ static void nRF52_setup()
 
 #if defined(USE_TINYUSB)
   Serial1.setPins(SOC_GPIO_PIN_CONS_RX, SOC_GPIO_PIN_CONS_TX);
+#if defined(EXCLUDE_WIFI)
   Serial1.begin(SERIAL_OUT_BR, SERIAL_OUT_BITS);
-#endif
+#endif /* EXCLUDE_WIFI */
+#endif /* USE_TINYUSB */
 
   digitalWrite(SOC_GPIO_PIN_IO_PWR,  HIGH);
   pinMode(SOC_GPIO_PIN_IO_PWR,  OUTPUT);  /* VDD_POWR is ON */
@@ -813,6 +815,13 @@ static void nRF52_setup()
 #if defined(USE_TINYUSB) && defined(USBCON)
   for (int i=0; i < 20; i++) {if (Serial) break; else delay(100);}
 #endif
+
+#if !defined(EXCLUDE_WIFI)
+#if defined(_WIFI_ESP_AT_H_)
+  Serial1.begin(115200);
+  WiFi.init(&Serial1);
+#endif /* _WIFI_ESP_AT_H_ */
+#endif /* EXCLUDE_WIFI */
 }
 
 static void nRF52_post_init()
diff --git a/software/firmware/source/SoftRF/src/platform/nRF52.h b/software/firmware/source/SoftRF/src/platform/nRF52.h
index 42d0b57d6..9fdadc0c6 100644
--- a/software/firmware/source/SoftRF/src/platform/nRF52.h
+++ b/software/firmware/source/SoftRF/src/platform/nRF52.h
@@ -248,7 +248,7 @@ struct rst_info {
 //#define USE_ARDUINO_WIFI
 //#define USE_WIFI_NINA         false
 //#define USE_WIFI_CUSTOM       true
-//#include <WiFiNINA.h>
+//#include <WiFiEspAT.h>
 //#define Serial_setDebugOutput(x) ({})
 //#define WIFI_STA_TIMEOUT      20000