Add "WEMOS LoLin32" boards support. (espressif#35)

Author: wemos

Diff for: boards.txt

@@ -120,3 +120,43 @@ nano32.menu.UploadSpeed.460800.macosx=460800
 nano32.menu.UploadSpeed.460800.upload.speed=460800
 nano32.menu.UploadSpeed.512000.windows=512000
 nano32.menu.UploadSpeed.512000.upload.speed=512000
+
+##############################################################
+lolin32.name=WEMOS LoLin32
+
+lolin32.upload.tool=esptool
+lolin32.upload.maximum_size=1044464
+lolin32.upload.maximum_data_size=294912
+lolin32.upload.wait_for_upload_port=true
+
+lolin32.serial.disableDTR=true
+lolin32.serial.disableRTS=true
+
+lolin32.build.mcu=esp32
+lolin32.build.core=esp32
+lolin32.build.variant=lolin32
+lolin32.build.board=LoLin32
+
+lolin32.build.f_cpu=160000000L
+lolin32.build.flash_mode=dio
+lolin32.build.flash_size=4MB
+
+lolin32.menu.FlashFreq.80=80MHz
+lolin32.menu.FlashFreq.80.build.flash_freq=80m
+lolin32.menu.FlashFreq.40=40MHz
+lolin32.menu.FlashFreq.40.build.flash_freq=40m
+
+lolin32.menu.UploadSpeed.921600=921600
+lolin32.menu.UploadSpeed.921600.upload.speed=921600
+lolin32.menu.UploadSpeed.115200=115200
+lolin32.menu.UploadSpeed.115200.upload.speed=115200
+lolin32.menu.UploadSpeed.256000.windows=256000
+lolin32.menu.UploadSpeed.256000.upload.speed=256000
+lolin32.menu.UploadSpeed.230400.windows.upload.speed=256000
+lolin32.menu.UploadSpeed.230400=230400
+lolin32.menu.UploadSpeed.230400.upload.speed=230400
+lolin32.menu.UploadSpeed.460800.linux=460800
+lolin32.menu.UploadSpeed.460800.macosx=460800
+lolin32.menu.UploadSpeed.460800.upload.speed=460800
+lolin32.menu.UploadSpeed.512000.windows=512000
+lolin32.menu.UploadSpeed.512000.upload.speed=512000

Diff for: package/package_esp32_index.template.json

@@ -24,6 +24,9 @@
           "boards": [
             {
               "name": "ESP32 Dev Module"
+            },
+            {
+              "name": "WEMOS LoLin32"
             }
           ],
           "toolsDependencies": [

Diff for: variants/lolin32/pins_arduino.h

@@ -0,0 +1,23 @@
+#ifndef Pins_Arduino_h
+#define Pins_Arduino_h
+
+#define EXTERNAL_NUM_INTERRUPTS 16
+#define NUM_DIGITAL_PINS        40
+#define NUM_ANALOG_INPUTS       18
+
+#define analogInputToDigitalPin(p)
+#define digitalPinToInterrupt(p)    (((p)<40)?(p):-1)
+#define digitalPinHasPWM(p)         (p < 34)
+
+#define LED_BUILTIN 2
+#define KEY_BUILTIN 0
+
+static const uint8_t SDA = 21;
+static const uint8_t SCL = 22;
+
+static const uint8_t SS    = 5;
+static const uint8_t MOSI  = 23;
+static const uint8_t MISO  = 19;
+static const uint8_t SCK   = 18;
+
+#endif /* Pins_Arduino_h */