Created
February 23, 2023 10:44
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Pico project template
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#include "pico/stdlib.h" | |
int main() | |
{ | |
const uint LED_PIN = PICO_DEFAULT_LED_PIN; | |
gpio_init(LED_PIN); | |
gpio_set_dir(LED_PIN, GPIO_OUT); | |
for (;;) | |
{ | |
gpio_put(LED_PIN, 1); | |
sleep_ms(250); | |
gpio_put(LED_PIN, 0); | |
sleep_ms(250); | |
} | |
} |
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cmake_minimum_required(VERSION 3.13) | |
include(pico_sdk_import.cmake) | |
project(blink C CXX ASM) | |
set(CMAKE_C_STANDARD 11) | |
set(CMAKE_CXX_STANDARD 17) | |
pico_sdk_init() | |
add_executable(blink | |
blink.c | |
) | |
target_link_libraries(blink pico_stdlib) | |
pico_enable_stdio_usb(blink 1) | |
pico_enable_stdio_uart(blink 0) | |
pico_add_extra_outputs(blink) |
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# This is a copy of <PICO_SDK_PATH>/external/pico_sdk_import.cmake | |
# This can be dropped into an external project to help locate this SDK | |
# It should be include()ed prior to project() | |
if (DEFINED ENV{PICO_SDK_PATH} AND (NOT PICO_SDK_PATH)) | |
set(PICO_SDK_PATH $ENV{PICO_SDK_PATH}) | |
message("Using PICO_SDK_PATH from environment ('${PICO_SDK_PATH}')") | |
endif () | |
if (DEFINED ENV{PICO_SDK_FETCH_FROM_GIT} AND (NOT PICO_SDK_FETCH_FROM_GIT)) | |
set(PICO_SDK_FETCH_FROM_GIT $ENV{PICO_SDK_FETCH_FROM_GIT}) | |
message("Using PICO_SDK_FETCH_FROM_GIT from environment ('${PICO_SDK_FETCH_FROM_GIT}')") | |
endif () | |
if (DEFINED ENV{PICO_SDK_FETCH_FROM_GIT_PATH} AND (NOT PICO_SDK_FETCH_FROM_GIT_PATH)) | |
set(PICO_SDK_FETCH_FROM_GIT_PATH $ENV{PICO_SDK_FETCH_FROM_GIT_PATH}) | |
message("Using PICO_SDK_FETCH_FROM_GIT_PATH from environment ('${PICO_SDK_FETCH_FROM_GIT_PATH}')") | |
endif () | |
set(PICO_SDK_PATH "${PICO_SDK_PATH}" CACHE PATH "Path to the Raspberry Pi Pico SDK") | |
set(PICO_SDK_FETCH_FROM_GIT "${PICO_SDK_FETCH_FROM_GIT}" CACHE BOOL "Set to ON to fetch copy of SDK from git if not otherwise locatable") | |
set(PICO_SDK_FETCH_FROM_GIT_PATH "${PICO_SDK_FETCH_FROM_GIT_PATH}" CACHE FILEPATH "location to download SDK") | |
if (NOT PICO_SDK_PATH) | |
if (PICO_SDK_FETCH_FROM_GIT) | |
include(FetchContent) | |
set(FETCHCONTENT_BASE_DIR_SAVE ${FETCHCONTENT_BASE_DIR}) | |
if (PICO_SDK_FETCH_FROM_GIT_PATH) | |
get_filename_component(FETCHCONTENT_BASE_DIR "${PICO_SDK_FETCH_FROM_GIT_PATH}" REALPATH BASE_DIR "${CMAKE_SOURCE_DIR}") | |
endif () | |
# GIT_SUBMODULES_RECURSE was added in 3.17 | |
if (${CMAKE_VERSION} VERSION_GREATER_EQUAL "3.17.0") | |
FetchContent_Declare( | |
pico_sdk | |
GIT_REPOSITORY https://github.com/raspberrypi/pico-sdk | |
GIT_TAG master | |
GIT_SUBMODULES_RECURSE FALSE | |
) | |
else () | |
FetchContent_Declare( | |
pico_sdk | |
GIT_REPOSITORY https://github.com/raspberrypi/pico-sdk | |
GIT_TAG master | |
) | |
endif () | |
if (NOT pico_sdk) | |
message("Downloading Raspberry Pi Pico SDK") | |
FetchContent_Populate(pico_sdk) | |
set(PICO_SDK_PATH ${pico_sdk_SOURCE_DIR}) | |
endif () | |
set(FETCHCONTENT_BASE_DIR ${FETCHCONTENT_BASE_DIR_SAVE}) | |
else () | |
message(FATAL_ERROR | |
"SDK location was not specified. Please set PICO_SDK_PATH or set PICO_SDK_FETCH_FROM_GIT to on to fetch from git." | |
) | |
endif () | |
endif () | |
get_filename_component(PICO_SDK_PATH "${PICO_SDK_PATH}" REALPATH BASE_DIR "${CMAKE_BINARY_DIR}") | |
if (NOT EXISTS ${PICO_SDK_PATH}) | |
message(FATAL_ERROR "Directory '${PICO_SDK_PATH}' not found") | |
endif () | |
set(PICO_SDK_INIT_CMAKE_FILE ${PICO_SDK_PATH}/pico_sdk_init.cmake) | |
if (NOT EXISTS ${PICO_SDK_INIT_CMAKE_FILE}) | |
message(FATAL_ERROR "Directory '${PICO_SDK_PATH}' does not appear to contain the Raspberry Pi Pico SDK") | |
endif () | |
set(PICO_SDK_PATH ${PICO_SDK_PATH} CACHE PATH "Path to the Raspberry Pi Pico SDK" FORCE) | |
include(${PICO_SDK_INIT_CMAKE_FILE}) |
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