From 92aa9b98841f7e63152cd0f2ee2409b4750f683c Mon Sep 17 00:00:00 2001 From: shylie Date: Wed, 4 Jun 2025 14:43:20 -0400 Subject: [PATCH] Initial commit --- .gitignore | 2 + .gitmodules | 3 ++ CMakeLists.txt | 14 +++++ pico_sdk_import.cmake | 121 ++++++++++++++++++++++++++++++++++++++++++ picoled | 1 + pong/CMakeLists.txt | 12 +++++ pong/src/main.cpp | 33 ++++++++++++ 7 files changed, 186 insertions(+) create mode 100644 .gitignore create mode 100644 .gitmodules create mode 100644 CMakeLists.txt create mode 100644 pico_sdk_import.cmake create mode 160000 picoled create mode 100644 pong/CMakeLists.txt create mode 100644 pong/src/main.cpp diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..a4fb4fb --- /dev/null +++ b/.gitignore @@ -0,0 +1,2 @@ +build/ +.cache/ diff --git a/.gitmodules b/.gitmodules new file mode 100644 index 0000000..26a6c7b --- /dev/null +++ b/.gitmodules @@ -0,0 +1,3 @@ +[submodule "picoled"] + path = picoled + url = https://git.shylie.info/shylie/picoled.git diff --git a/CMakeLists.txt b/CMakeLists.txt new file mode 100644 index 0000000..b1092a8 --- /dev/null +++ b/CMakeLists.txt @@ -0,0 +1,14 @@ +cmake_minimum_required(VERSION 3.13) + +include(pico_sdk_import.cmake) + +project(rp2040-board-projects CXX C ASM) + +pico_sdk_init() + +add_library(common INTERFACE) +target_compile_definitions(common INTERFACE PICO_XOSC_STARTUP_DELAY_MULTIPLIER=128) + +add_subdirectory(picoled) + +add_subdirectory(pong) diff --git a/pico_sdk_import.cmake b/pico_sdk_import.cmake new file mode 100644 index 0000000..d493cc2 --- /dev/null +++ b/pico_sdk_import.cmake @@ -0,0 +1,121 @@ +# This is a copy of /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() + +# Copyright 2020 (c) 2020 Raspberry Pi (Trading) Ltd. +# +# Redistribution and use in source and binary forms, with or without modification, are permitted provided that the +# following conditions are met: +# +# 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following +# disclaimer. +# +# 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following +# disclaimer in the documentation and/or other materials provided with the distribution. +# +# 3. Neither the name of the copyright holder nor the names of its contributors may be used to endorse or promote products +# derived from this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, +# INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE +# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR +# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, +# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF +# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +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 () + +if (DEFINED ENV{PICO_SDK_FETCH_FROM_GIT_TAG} AND (NOT PICO_SDK_FETCH_FROM_GIT_TAG)) + set(PICO_SDK_FETCH_FROM_GIT_TAG $ENV{PICO_SDK_FETCH_FROM_GIT_TAG}) + message("Using PICO_SDK_FETCH_FROM_GIT_TAG from environment ('${PICO_SDK_FETCH_FROM_GIT_TAG}')") +endif () + +if (PICO_SDK_FETCH_FROM_GIT AND NOT PICO_SDK_FETCH_FROM_GIT_TAG) + set(PICO_SDK_FETCH_FROM_GIT_TAG "master") + message("Using master as default value for PICO_SDK_FETCH_FROM_GIT_TAG") +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 "${PICO_SDK_FETCH_FROM_GIT_PATH}" CACHE FILEPATH "location to download SDK") +set(PICO_SDK_FETCH_FROM_GIT_TAG "${PICO_SDK_FETCH_FROM_GIT_TAG}" CACHE FILEPATH "release tag for 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 () + FetchContent_Declare( + pico_sdk + GIT_REPOSITORY https://github.com/raspberrypi/pico-sdk + GIT_TAG ${PICO_SDK_FETCH_FROM_GIT_TAG} + ) + + if (NOT pico_sdk) + message("Downloading Raspberry Pi Pico SDK") + # GIT_SUBMODULES_RECURSE was added in 3.17 + if (${CMAKE_VERSION} VERSION_GREATER_EQUAL "3.17.0") + FetchContent_Populate( + pico_sdk + QUIET + GIT_REPOSITORY https://github.com/raspberrypi/pico-sdk + GIT_TAG ${PICO_SDK_FETCH_FROM_GIT_TAG} + GIT_SUBMODULES_RECURSE FALSE + + SOURCE_DIR ${FETCHCONTENT_BASE_DIR}/pico_sdk-src + BINARY_DIR ${FETCHCONTENT_BASE_DIR}/pico_sdk-build + SUBBUILD_DIR ${FETCHCONTENT_BASE_DIR}/pico_sdk-subbuild + ) + else () + FetchContent_Populate( + pico_sdk + QUIET + GIT_REPOSITORY https://github.com/raspberrypi/pico-sdk + GIT_TAG ${PICO_SDK_FETCH_FROM_GIT_TAG} + + SOURCE_DIR ${FETCHCONTENT_BASE_DIR}/pico_sdk-src + BINARY_DIR ${FETCHCONTENT_BASE_DIR}/pico_sdk-build + SUBBUILD_DIR ${FETCHCONTENT_BASE_DIR}/pico_sdk-subbuild + ) + endif () + + 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}) diff --git a/picoled b/picoled new file mode 160000 index 0000000..23c1df4 --- /dev/null +++ b/picoled @@ -0,0 +1 @@ +Subproject commit 23c1df474c7f8630124ead2fe3d128e201e2b20c diff --git a/pong/CMakeLists.txt b/pong/CMakeLists.txt new file mode 100644 index 0000000..acd911e --- /dev/null +++ b/pong/CMakeLists.txt @@ -0,0 +1,12 @@ +cmake_minimum_required(VERSION 3.13) + +add_executable(pong + src/main.cpp +) + +target_link_libraries(pong common picoled) + +pico_enable_stdio_uart(pong 0) +pico_enable_stdio_usb(pong 1) + +pico_add_extra_outputs(pong) diff --git a/pong/src/main.cpp b/pong/src/main.cpp new file mode 100644 index 0000000..43ff088 --- /dev/null +++ b/pong/src/main.cpp @@ -0,0 +1,33 @@ +#include + +#include +#include + +#include + +int main() +{ + stdio_usb_init(); + + i2c_init(i2c0, 3 * 1000 * 1000); + gpio_set_function(0, GPIO_FUNC_I2C); + gpio_set_function(1, GPIO_FUNC_I2C); + gpio_pull_up(0); + gpio_pull_up(1); + + picoled::ssd1306 oled(i2c0, 0x3C); + oled.update(); + + while (true) + { + for (int i = 0; i < 16; i++) + { + const int x = rand() % oled.get_width(); + const int y = rand() % oled.get_height(); + + oled(x, y).invert(); + } + + oled.update(); + } +}