| # Copyright 2023 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. |
| |
| import("//build_overrides/pi_pico.gni") |
| import("//build_overrides/pigweed.gni") |
| |
| import("$dir_pw_system/system_target.gni") |
| |
| if (current_toolchain != default_toolchain) { |
| config("config_includes") { |
| include_dirs = [ "config" ] |
| } |
| |
| pw_source_set("freertos_config") { |
| public_configs = [ ":config_includes" ] |
| public_deps = [ "$dir_pw_third_party/freertos:config_assert" ] |
| public = [ "config/FreeRTOSConfig.h" ] |
| } |
| |
| pw_source_set("pre_init") { |
| deps = [ |
| "$PICO_ROOT/src/common/pico_base", |
| "$PICO_ROOT/src/common/pico_stdlib", |
| "$PICO_ROOT/src/rp2_common/pico_malloc", |
| "$dir_pw_string", |
| "$dir_pw_system", |
| "$dir_pw_third_party/freertos", |
| ] |
| sources = [ "boot.cc" ] |
| } |
| } |
| |
| pw_system_target("rp2040") { |
| cpu = PW_SYSTEM_CPU.CORTEX_M0PLUS |
| scheduler = PW_SYSTEM_SCHEDULER.FREERTOS |
| use_pw_malloc = false |
| |
| # This is critical because otherwise the Pico SDK will emit \r\n every time |
| # a \n is written out over serial. |
| global_configs = |
| [ "//third_party/pigweed/targets/rp2040_pw_system:rp2040_hal_config" ] |
| |
| build_args = { |
| pw_build_EXECUTABLE_TARGET_TYPE = "pico_executable" |
| pw_build_EXECUTABLE_TARGET_TYPE_FILE = |
| get_path_info("$dir_pigweed/targets/rp2040/pico_executable.gni", |
| "abspath") |
| |
| pw_log_BACKEND = dir_pw_log_string |
| pw_log_string_HANDLER_BACKEND = "$dir_pw_system:log_backend" |
| |
| pw_third_party_freertos_CONFIG = "//targets/rp2040:freertos_config" |
| pw_third_party_freertos_PORT = "$dir_pw_third_party/freertos:arm_cm0" |
| |
| pw_sys_io_BACKEND = dir_pw_sys_io_stdio |
| |
| pw_build_LINK_DEPS += [ |
| "//targets/rp2040:pre_init", |
| "$dir_pw_assert:impl", |
| "$dir_pw_log:impl", |
| "$dir_pw_log_string:handler.impl", |
| ] |
| |
| pw_sync_COUNTING_SEMAPHORE_BACKEND = |
| "$dir_pw_sync_freertos:counting_semaphore" |
| |
| # Configure backend for pw_board_led |
| pw_board_led_BACKEND = "$dir_pw_board_led_pico" |
| |
| # Configure backend for pw_spin_delay |
| pw_spin_delay_BACKEND = "$dir_pw_spin_delay_rp2040" |
| |
| app_common_BACKEND = "//applications/app_common_impl:pico_st7789_pio" |
| |
| pw_app_common_DISPLAY_WIDTH = "320" |
| pw_app_common_DISPLAY_HEIGHT = "240" |
| |
| # Kudzu pin assignments. |
| pw_app_common_BACKLIGHT_GPIO = "15" |
| pw_app_common_DISPLAY_TE_GPIO = "16" |
| pw_app_common_DISPLAY_CS_GPIO = "17" |
| pw_app_common_DISPLAY_DC_GPIO = "20" |
| pw_app_common_SPI_MOSI_GPIO = "19" |
| pw_app_common_SPI_CLOCK_GPIO = "18" |
| |
| # Data from the display is unused. |
| pw_app_common_SPI_MISO_GPIO = "-1" |
| |
| # Display reset pin is on the Kudzu GPIO expander |
| pw_app_common_DISPLAY_RESET_GPIO = "-1" |
| |
| # Pico display pack 2 pin assignments. |
| # pw_app_common_BACKLIGHT_GPIO = "20" |
| # pw_app_common_DISPLAY_TE_GPIO = "21" |
| # pw_app_common_DISPLAY_CS_GPIO = "17" |
| # pw_app_common_DISPLAY_DC_GPIO = "16" |
| # pw_app_common_SPI_MOSI_GPIO = "19" |
| # pw_app_common_SPI_CLOCK_GPIO = "18" |
| } |
| } |