# Copyright 2024 The Pigweed Authors
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may not
# use this file except in compliance with the License. You may obtain a copy of
# the License at
#
#     https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations under
# the License.

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

constraint_value(
    name = "host_backend_constraint_value",
    constraint_setting = "//applications/app_common:app_common_constraint_setting",
)

constraint_value(
    name = "rp2040_backend_constraint_value",
    constraint_setting = "//applications/app_common:app_common_constraint_setting",
)

display_common_defines = [
    "DISPLAY_WIDTH=320",
    "DISPLAY_HEIGHT=240",
    "FRAMEBUFFER_WIDTH=-1",
    "FRAMEBUFFER_START_X=0",
    "FRAMEBUFFER_START_Y=0",
]

rp2040_display_defines = [
    "DISPLAY_RESET_GPIO=-1",
    # Kudzu Pins pin assignments.
    "DISPLAY_TE_GPIO=16",
    "BACKLIGHT_GPIO=15",

    # Pico display pack 2 pin assignments.
    # "DISPLAY_TE_GPIO=21",
    # "BACKLIGHT_GPIO=20",
]

rp2040_spi_defines = [
    "SPI_MISO_GPIO=-1",

    # Kudzu Pins pin assignments.
    "DISPLAY_CS_GPIO=17",
    "DISPLAY_DC_GPIO=20",
    "SPI_MOSI_GPIO=19",
    "SPI_CLOCK_GPIO=18",

    # Pico display pack 2 pin assignments.
    # "DISPLAY_CS_GPIO=17",
    # "DISPLAY_DC_GPIO=16",
    # "SPI_MOSI_GPIO=19",
    # "SPI_CLOCK_GPIO=18",
]

rp2040_i2c_defines = [
    "I2C_BUS0_SCL=9",
    "I2C_BUS0_SDA=8",
    "I2C_BUS1_SCL=3",
    "I2C_BUS1_SDA=2",
]

rp2040_pio_defines = [
    "USE_PIO=1",
    "DISPLAY_TYPE_ST7789_PIO",
    # Overclock the rp2040 in common_pico.cc
    # "OVERCLOCK_250=1",
]

cc_library(
    name = "pico_st7789_pio",
    srcs = ["common_pico.cc"],
    defines = display_common_defines + rp2040_display_defines + rp2040_spi_defines + rp2040_i2c_defines + rp2040_pio_defines,
    target_compatible_with = [
        "@pigweed//pw_build/constraints/chipset:rp2040",
    ],
    deps = [
        "//applications/app_common:app_common.facade",
        "//lib/ft6236",
        "//lib/icm42670p",
        "//lib/kudzu_buttons_pi4ioe5v6416",
        "//lib/kudzu_imu_icm42670p",
        "//lib/max17048",
        "//lib/pi4ioe5v6416",
        "//lib/pw_touchscreen_ft6236",
        "@pico-sdk//src/common/pico_base",
        "@pico-sdk//src/common/pico_stdlib",
        "@pico-sdk//src/rp2_common/hardware_adc",
        "@pico-sdk//src/rp2_common/hardware_gpio",
        "@pico-sdk//src/rp2_common/hardware_pwm",
        "@pico-sdk//src/rp2_common/hardware_spi",
        "@pico-sdk//src/rp2_common/hardware_vreg",
        "@pigweed-experimental//pw_display_driver_st7789",
        "@pigweed-experimental//pw_graphics/pw_display",
        "@pigweed-experimental//pw_graphics/pw_framebuffer_pool",
        "@pigweed-experimental//pw_pixel_pusher_rp2040_pio",
        "@pigweed//pw_digital_io_rp2040",
        "@pigweed//pw_i2c_rp2040",
        "@pigweed//pw_log",
        "@pigweed//pw_spi:chip_selector_digital_out",
        "@pigweed//pw_spi_rp2040",
        "@pigweed//pw_sync:borrow",
        "@pigweed//pw_sync:mutex",
        "@pigweed//pw_thread:thread",
        "@pigweed//pw_thread_freertos:thread",
    ],
)

cc_library(
    name = "host_null",
    srcs = ["common_host_null.cc"],
    defines = display_common_defines,
    deps = [
        "//applications/app_common:app_common.facade",
        "//lib/kudzu_buttons_null",
        "//lib/pw_touchscreen_null",
        "@pigweed-experimental//pw_display_driver_null",
        "@pigweed-experimental//pw_graphics/pw_display",
        "@pigweed//pw_thread:thread",
        "@pigweed//pw_thread_stl:thread",
    ],
)