Merge pull request #3 from sandeepmistry/bluetooth

Add support for BLE HCI UART mode

arduino/cores/esp32/wiring.c

@@ -22,5 +22,9 @@
 #include "Arduino.h"
 
 void init() {
-  nvs_flash_init();
+  if (nvs_flash_init() != ESP_OK) {
+    nvs_flash_erase();
+
+    nvs_flash_init();
+  }
 }

arduino/cores/esp32/wiring_digital.c

@@ -42,3 +42,8 @@ void digitalWrite(uint32_t pin, uint32_t val)
 {
   gpio_set_level((gpio_num_t)pin, val);
 }
+
+int digitalRead(uint32_t pin)
+{
+  return gpio_get_level(pin);
+}

arduino/cores/esp32/wiring_digital.h

@@ -36,6 +36,8 @@ extern void pinMode(uint32_t pin, uint32_t mode);
 
 extern void digitalWrite(uint32_t pin, uint32_t val);
 
+extern int digitalRead(uint32_t pin);
+
 #ifdef __cplusplus
 }
 #endif