blob: 01351f058cb378419b8a96cd513c9c82046bff2b [file] [log] [blame]
# Copyright 2021 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/pigweed.gni")
import("$dir_pw_build/target_types.gni")
import("$dir_pw_docgen/docs.gni")
# Defaults to USART1, but can be overridden.
declare_args() {
# USART to use for sys_io
pw_sys_io_stm32cubef4_usart_num = "1"
# GPIO Port of the specified USART
pw_sys_io_stm32cubef4_gpio_port = "A"
# GPIO Pin for tx
pw_sys_io_stm32cubef4_gpio_tx_pin = "9"
# GPIO Pin for rx
pw_sys_io_stm32cubef4_gpio_rx_pin = "10"
}
config("default_config") {
cflags = [
"-DUSART_NUM=" + pw_sys_io_stm32cubef4_usart_num,
"-DUSART_GPIO_PORT_CHAR=" + pw_sys_io_stm32cubef4_gpio_port,
"-DUSART_TX_PIN_NUM=" + pw_sys_io_stm32cubef4_gpio_tx_pin,
"-DUSART_RX_PIN_NUM=" + pw_sys_io_stm32cubef4_gpio_rx_pin,
]
include_dirs = [ "public" ]
}
pw_source_set("pw_sys_io_stm32cubef4") {
public_configs = [ ":default_config" ]
public = []
public_deps = [
"$dir_pw_status",
"$dir_pw_third_party_stm32cubef4:stm32f4xx_hal",
]
deps = [
"$dir_pw_sys_io:default_putget_bytes",
"$dir_pw_sys_io:facade",
]
sources = [ "sys_io.cc" ]
}