BUILD.bazel

load("@bazel_skylib//rules:run_binary.bzl", "run_binary")
load("@rules_cc//cc:cc_library.bzl", "cc_library")

package(default_visibility = ["//visibility:public"])

# PICO_BAZEL_CONFIG: PICO_SDK_VERSION_STRING, SDK version string, type=string, default=Current SDK version string, group=pico_base
PICO_SDK_VERSION_STRING = module_version() if module_version() != None else "0.0.1-WORKSPACE"

_version_parts = PICO_SDK_VERSION_STRING.split(".")

# PICO_BAZEL_CONFIG: PICO_SDK_VERSION_MAJOR, SDK major version number, type=int, default=Current SDK major version, group=pico_base
PICO_SDK_VERSION_MAJOR = int(_version_parts[0])

# PICO_BAZEL_CONFIG: PICO_SDK_VERSION_MINOR, SDK minor version number, type=int, default=Current SDK minor version, group=pico_base
PICO_SDK_VERSION_MINOR = int(_version_parts[1])

_revision_parts = _version_parts[2].split("-")

# PICO_BAZEL_CONFIG: PICO_SDK_VERSION_REVISION, SDK version revision, type=int, default=Current SDK revision, group=pico_base
PICO_SDK_VERSION_REVISION = int(_revision_parts[0])

# PICO_BAZEL_CONFIG: PICO_SDK_VERSION_PRE_RELEASE_ID, Optional SDK pre-release version identifier, default=Current SDK pre-release identifier, type=string, group=pico_base
PICO_SDK_VERSION_PRE_RELEASE_ID = _revision_parts[1] if len(_revision_parts) > 1 else None

run_binary(
    name = "version_header",
    srcs = ["include/pico/version.h.in"],
    outs = ["generated_include/pico/version.h"],
    args = [
        "--version-string={}".format(PICO_SDK_VERSION_STRING),
        "--template=$(location include/pico/version.h.in)",
        "--output=$(location generated_include/pico/version.h)",
    ],
    tool = "//bazel:generate_version_header",
    visibility = ["//visibility:private"],
)

# PICO_BUILD_DEFINE: PICO_SDK_VERSION_MAJOR, SDK major version number, type=int, default=Current SDK major version, group=pico_base
# PICO_BUILD_DEFINE: PICO_SDK_VERSION_MINOR, SDK minor version number, type=int, default=Current SDK minor version, group=pico_base
# PICO_BUILD_DEFINE: PICO_SDK_VERSION_REVISION, SDK version revision, type=int, default=Current SDK revision, group=pico_base
# PICO_BUILD_DEFINE: PICO_SDK_VERSION_PRE_RELEASE_ID, Optional SDK pre-release version identifier, default=Current SDK pre-release identifier, type=string, group=pico_base
# PICO_BUILD_DEFINE: PICO_SDK_VERSION_STRING, SDK version string, type=string, default=Current SDK version string, group=pico_base
cc_library(
    name = "version",
    hdrs = ["generated_include/pico/version.h"],
    defines = [
        'PICO_SDK_VERSION_STRING=\\"{}\\"'.format(PICO_SDK_VERSION_STRING),
        "PICO_SDK_VERSION_MAJOR={}".format(PICO_SDK_VERSION_MAJOR),
        "PICO_SDK_VERSION_MINOR={}".format(PICO_SDK_VERSION_MINOR),
        "PICO_SDK_VERSION_REVISION={}".format(PICO_SDK_VERSION_REVISION),
    ] + [] if PICO_SDK_VERSION_PRE_RELEASE_ID == None else ['PICO_SDK_VERSION_PRE_RELEASE_ID=\\"{}\\"'.format(PICO_SDK_VERSION_PRE_RELEASE_ID)],
    includes = ["generated_include"],
)

# PICO_BAZEL_CONFIG: PICO_NO_HARDWARE, Option as to whether the build is not targeting an RP2040 or RP2350 device, type=bool, default=1 when PICO_PLATFORM is host, 0 otherwise, group=build
# PICO_BUILD_DEFINE: PICO_NO_HARDWARE, Whether the build is not targeting an RP2040 or RP2350 device, type=bool, default=1 when PICO_PLATFORM is host, 0 otherwise, group=build
# PICO_BAZEL_CONFIG: PICO_ON_DEVICE, Option as to whether the build is targeting an RP2040 or RP2350 device, type=bool, default=0 when PICO_PLATFORM is host, 1 otherwise, group=build
# PICO_BUILD_DEFINE: PICO_ON_DEVICE, Whether the build is targeting an RP2040 or RP2350 device, type=bool, default=0 when PICO_PLATFORM is host, 1 otherwise, group=build
# PICO_BUILD is undocumented in CMake.
cc_library(
    name = "common_sdk_defines",
    defines = select({
        "//bazel/constraint:host": [
            "PICO_ON_DEVICE=0",
            "PICO_NO_HARDWARE=1",
            "PICO_BUILD=1",
        ],
        "//conditions:default": [
            "PICO_ON_DEVICE=1",
            "PICO_NO_HARDWARE=0",
            "PICO_BUILD=1",
        ],
    }) + select({
        "//bazel/constraint:rp2040": ["PICO_RP2040=1"],
        "//bazel/constraint:rp2350": ["PICO_RP2350=1"],
        "//conditions:default": [],
    }) + select({
        "//bazel/constraint:pico_binary_type_no_flash": ["PICO_NO_FLASH=1"],
        "//bazel/constraint:pico_binary_type_copy_to_ram": ["PICO_COPY_TO_RAM=1"],
        "//bazel/constraint:pico_binary_type_blocked_ram": ["PICO_USE_BLOCKED_RAM=1"],
        "//conditions:default": [],
    }),
)

# While this provides the "pico.h" header, nearly everything should
# instead depend on `//src/rp2_common:pico_platform` to get these headers. If
# you try to depend on just `pico_base_headers`, you'll end up with missing
# symbols.
cc_library(
    name = "pico_base_headers",
    hdrs = [
        "include/pico.h",
        "include/pico/assert.h",
        "include/pico/config.h",
        "include/pico/error.h",
        "include/pico/types.h",
    ],
    includes = ["include"],
    visibility = [
        "//src/common:__subpackages__",
        "//src/host/hardware_irq:__pkg__",
        "//src/host/hardware_sync:__pkg__",
        "//src/host/hardware_timer:__pkg__",
        "//src/host/pico_platform:__pkg__",
        "//src/host/pico_unique_id:__pkg__",
        "//src/rp2040/boot_stage2:__pkg__",
        "//src/rp2040/pico_platform:__pkg__",
        "//src/rp2350/boot_stage2:__pkg__",
        "//src/rp2350/pico_platform:__pkg__",
        "//src/rp2_common/hardware_base:__pkg__",
        "//src/rp2_common/hardware_boot_lock:__pkg__",
        "//src/rp2_common/hardware_clocks:__pkg__",
        "//src/rp2_common/hardware_gpio:__pkg__",
        "//src/rp2_common/hardware_pll:__pkg__",
        "//src/rp2_common/hardware_resets:__pkg__",
        "//src/rp2_common/hardware_sync:__pkg__",
        "//src/rp2_common/hardware_sync_spin_lock:__pkg__",
        "//src/rp2_common/hardware_ticks:__pkg__",
        "//src/rp2_common/hardware_timer:__pkg__",
        "//src/rp2_common/hardware_watchdog:__pkg__",
        "//src/rp2_common/hardware_rosc:__pkg__",
        "//src/rp2_common/hardware_xosc:__pkg__",
        "//src/rp2_common/pico_crt0:__pkg__",
        "//src/rp2_common/pico_platform_common:__pkg__",
        "//src/rp2_common/pico_printf:__pkg__",
        "//src/rp2_common/pico_runtime:__pkg__",
        "//src/rp2_common/pico_runtime_init:__pkg__",
        "//src/rp2_common/pico_time_adapter:__pkg__",
        "@picotool//:__subpackages__",
    ],
    deps = [
        ":common_sdk_defines",
        ":version",
        "//bazel/config:PICO_CONFIG_HEADER",
        "//src:pico_platform_internal",
    ],
)