Initial support for ESP8266 // Issue #119

2015-04-02 20:24:22 +03:00
parent f072a10e9a
commit 6594601932
16 changed files with 893 additions and 0 deletions
--- a/platformio/builder/scripts/espressif.py
+++ b/platformio/builder/scripts/espressif.py
@@ -0,0 +1,161 @@
+# Copyright (C) Ivan Kravets <me@ikravets.com>
+# See LICENSE for details.
+
+"""
+    Builder for Espressif MCUs
+"""
+
+from os.path import join
+
+from SCons.Script import (COMMAND_LINE_TARGETS, AlwaysBuild, Builder, Default,
+                          DefaultEnvironment)
+
+
+def BeforeUpload(target, source, env):  # pylint: disable=W0613,W0621
+    env.AutodetectUploadPort()
+
+
+env = DefaultEnvironment()
+
+env.Replace(
+    AR="xtensa-lx106-elf-ar",
+    AS="xtensa-lx106-elf-as",
+    CC="xtensa-lx106-elf-gcc",
+    CXX="xtensa-lx106-elf-g++",
+    OBJCOPY="xtensa-lx106-elf-objcopy",
+    RANLIB="xtensa-lx106-elf-ranlib",
+    SIZETOOL="xtensa-lx106-elf-size",
+
+    ARFLAGS=["rcs"],
+
+    ASPPFLAGS=["-x", "assembler-with-cpp"],
+
+    CFLAGS=[
+        "-std=c99",
+        "-Wpointer-arith",
+        "-Wno-implicit-function-declaration",
+        "-Wl,-EL",
+        "-nostdlib"
+    ],
+
+    CPPFLAGS=[
+        "-Os",  # optimize for size
+        "-mlongcalls",
+        "-mtext-section-literals",
+        "-MMD"  # output dependancy info
+    ],
+
+    CXXFLAGS=[
+        "-fno-rtti",
+        "-fno-exceptions",
+        "-std=c++11"
+    ],
+
+    CPPDEFINES=[
+        "F_CPU=$BOARD_F_CPU",
+        "__ets__",
+        "ICACHE_FLASH"
+    ],
+
+    LINKFLAGS=[
+        "-nostdlib",
+        "-Wl,--no-check-section",
+        "-u", "call_user_start",
+        "-Wl,-static"
+    ],
+
+    LIBS=["c", "gcc"],
+
+    SIZEPRINTCMD='"$SIZETOOL" -B -d $SOURCES',
+
+    UPLOADER=join("$PIOPACKAGES_DIR", "tool-esptool", "esptool"),
+    UPLOADERFLAGS=[
+        "-vv",
+        "-cd", "none",
+        "-cb", "$UPLOAD_SPEED",
+        "-cp", "$UPLOAD_PORT",
+        "-ca", "0x00000",
+        "-cf", "${SOURCES[0]}",
+        "-ca", "0x40000",
+        "-cf", "${SOURCES[1]}"
+    ],
+    UPLOADCMD='$UPLOADER $UPLOADERFLAGS'
+)
+
+env.Append(
+    BUILDERS=dict(
+        ElfToBin=Builder(
+            action=" ".join([
+                "$UPLOADER",
+                "-eo", "$SOURCES",
+                "-bo", "${TARGETS[0]}",
+                "-bs", ".text",
+                "-bs", ".data",
+                "-bs", ".rodata",
+                "-bc", "-ec",
+                "-eo", "$SOURCES",
+                "-es", ".irom0.text", "${TARGETS[1]}",
+                "-ec", "-v"
+            ]),
+            suffix=".bin"
+        )
+    )
+)
+
+#
+# Configure SDK
+#
+
+if "FRAMEWORK" not in env:
+    env.Append(
+        CPPPATH=[
+            join("$PIOPACKAGES_DIR", "sdk-esp8266", "include"),
+            "$PROJECTSRC_DIR"
+        ],
+        LIBPATH=[join("$PIOPACKAGES_DIR", "sdk-esp8266", "lib")],
+        LIBS=["at", "json", "lwip", "main", "net80211", "phy", "pp",
+              "smartconfig", "ssl", "upgrade", "wpa"]
+    )
+    env.Replace(
+        LDSCRIPT_PATH=join(
+            "$PIOPACKAGES_DIR", "sdk-esp8266", "ld", "eagle.app.v6.ld")
+    )
+
+
+#
+# Target: Build executable and linkable firmware
+#
+
+target_elf = env.BuildFirmware()
+
+#
+# Target: Build the .hex
+#
+
+if "uploadlazy" in COMMAND_LINE_TARGETS:
+    target_firm = join("$BUILD_DIR", "firmware.bin")
+else:
+    target_firm = env.ElfToBin(
+        [join("$BUILD_DIR", "firmware_00000"),
+         join("$BUILD_DIR", "firmware_40000")], target_elf)
+
+#
+# Target: Print binary size
+#
+
+target_size = env.Alias("size", target_elf, "$SIZEPRINTCMD")
+AlwaysBuild(target_size)
+
+#
+# Target: Upload firmware
+#
+
+upload = env.Alias(["upload", "uploadlazy"], target_firm,
+                   [BeforeUpload, "$UPLOADCMD"])
+AlwaysBuild(upload)
+
+#
+# Target: Define targets
+#
+
+Default([target_firm, target_size])