Add board definitions for unphone ESP32 and ESP32S3 devices (platformio#870)

Author: hamishcunningham

boards/unphone7.json

@@ -0,0 +1,40 @@
+{
+  "build": {
+    "arduino":{
+      "ldscript": "esp32_out.ld"
+    },
+    "core": "esp32",
+    "extra_flags": [
+      "-DUNPHONE_SPIN=7",
+      "-DARDUINO_FEATHER_ESP32"
+    ],
+    "f_cpu": "240000000L",
+    "f_flash": "40000000L",
+    "flash_mode": "dio",
+    "mcu": "esp32",
+    "variant": "feather_esp32"
+  },
+  "connectivity": [
+    "wifi",
+    "bluetooth",
+    "ethernet",
+    "can"
+  ],
+  "debug": {
+    "openocd_board": "esp-wroom-32.cfg"
+  },
+  "frameworks": [
+    "arduino",
+    "espidf"
+  ],
+  "name": "unPhone 7",
+  "upload": {
+    "flash_size": "4MB",
+    "maximum_ram_size": 327680,
+    "maximum_size": 4194304,
+    "require_upload_port": true,
+    "speed": 460800
+  },
+  "url": "https://unphone.net/",
+  "vendor": "University of Sheffield"
+}

boards/unphone8.json

@@ -0,0 +1,44 @@
+{
+  "build": {
+    "arduino":{
+      "ldscript": "esp32s3_out.ld",
+      "partitions": "default_8MB.csv"
+    },
+    "core": "esp32",
+    "extra_flags": [
+      "-DBOARD_HAS_PSRAM",
+      "-DUNPHONE_SPIN=8",
+      "-DARDUINO_USB_MODE=1",
+      "-DARDUINO_USB_CDC_ON_BOOT=0",
+      "-DARDUINO_RUNNING_CORE=1",
+      "-DARDUINO_EVENT_RUNNING_CORE=1"
+    ],
+    "f_cpu": "240000000L",
+    "f_flash": "80000000L",
+    "flash_mode": "qio",
+    "mcu": "esp32s3",
+    "variant": "unphone8"
+  },
+  "connectivity": [
+    "wifi"
+  ],
+  "debug": {
+    "openocd_board": "esp32s3.cfg"
+  },
+  "frameworks": [
+    "arduino",
+    "espidf"
+  ],
+  "name": "unPhone 8",
+  "upload": {
+    "flash_size": "8MB",
+    "maximum_ram_size": 2424832,
+    "maximum_size": 8323072,
+    "use_1200bps_touch": true,
+    "wait_for_upload_port": true,
+    "require_upload_port": true,
+    "speed": 460800
+  },
+  "url": "https://unphone.net/",
+  "vendor": "University of Sheffield"
+}

boards/unphone9.json

@@ -0,0 +1,50 @@
+{
+  "build": {
+    "arduino":{
+      "ldscript": "esp32s3_out.ld",
+      "partitions": "default_8MB.csv"
+    },
+    "core": "esp32",
+    "extra_flags": [
+      "-DBOARD_HAS_PSRAM",
+      "-DUNPHONE_SPIN=9",
+      "-DARDUINO_USB_MODE=1",
+      "-DARDUINO_USB_CDC_ON_BOOT=1",
+      "-DARDUINO_RUNNING_CORE=1",
+      "-DARDUINO_EVENT_RUNNING_CORE=1"
+    ],
+    "f_cpu": "240000000L",
+    "f_flash": "80000000L",
+    "flash_mode": "qio",
+    "hwids": [
+      [
+        "0x16D0",
+        "0x1178"
+      ]
+    ],
+    "mcu": "esp32s3",
+    "variant": "unphone9"
+  },
+  "connectivity": [
+    "wifi"
+  ],
+  "debug": {
+    "openocd_board": "esp32s3.cfg"
+  },
+  "frameworks": [
+    "arduino",
+    "espidf"
+  ],
+  "name": "unPhone 9",
+  "upload": {
+    "flash_size": "8MB",
+    "maximum_ram_size": 8716288,
+    "maximum_size": 8323072,
+    "use_1200bps_touch": true,
+    "wait_for_upload_port": true,
+    "require_upload_port": true,
+    "speed": 460800
+  },
+  "url": "https://unphone.net/",
+  "vendor": "University of Sheffield"
+}