disabling RF (work-in-progress)

Author: igrr

cores/esp8266/Esp.h

@@ -45,13 +45,22 @@ typedef enum {
 #define cli()        ets_intr_lock()       // IRQ Disable
 #define sei()        ets_intr_unlock()     // IRQ Enable
 
-enum WakeMode {
-    WAKE_RF_DEFAULT = 0, // RF_CAL or not after deep-sleep wake up, depends on init data byte 108.
-    WAKE_RFCAL = 1,      // RF_CAL after deep-sleep wake up, there will be large current.
-    WAKE_NO_RFCAL = 2,   // no RF_CAL after deep-sleep wake up, there will only be small current.
-    WAKE_RF_DISABLED = 4 // disable RF after deep-sleep wake up, just like modem sleep, there will be the smallest current.
+enum RFMode {
+    RF_DEFAULT = 0, // RF_CAL or not after deep-sleep wake up, depends on init data byte 108.
+    RF_CAL = 1,      // RF_CAL after deep-sleep wake up, there will be large current.
+    RF_NO_CAL = 2,   // no RF_CAL after deep-sleep wake up, there will only be small current.
+    RF_DISABLED = 4 // disable RF after deep-sleep wake up, just like modem sleep, there will be the smallest current.
 };
 
+#define RF_MODE(mode) extern "C" int __get_rf_mode() { return mode; }
+
+// compatibility definitions
+#define WakeMode RFMode
+#define WAKE_RF_DEFAULT  RF_DEFAULT
+#define WAKE_RFCAL       RF_CAL
+#define WAKE_NO_RFCAL    RF_NO_CAL
+#define WAKE_RF_DISABLED RF_DISABLED
+
 typedef enum {
      FM_QIO = 0x00,
      FM_QOUT = 0x01,
@@ -72,7 +81,7 @@ class EspClass {
         void wdtDisable();
         void wdtFeed();
 
-        void deepSleep(uint32_t time_us, WakeMode mode = WAKE_RF_DEFAULT);
+        void deepSleep(uint32_t time_us, RFMode mode = RF_DEFAULT);
 
         void reset();
         void restart();

cores/esp8266/core_esp8266_main.cpp

@@ -118,9 +118,15 @@ void init_done() {
     esp_schedule();
 }
 
+extern "C" int __get_rf_mode()  __attribute__((weak));
+extern "C" int __get_rf_mode()
+{
+    return 0;  // default mode
+}
+
 extern "C" {
 void user_rf_pre_init() {
-    
+    system_phy_set_rfoption(__get_rf_mode());
 }
 }