From 27ac412574bddc26c3ac536d7e681dcd52bd86e8 Mon Sep 17 00:00:00 2001 From: Benjamin Kyd Date: Thu, 17 Jun 2021 19:56:57 +0100 Subject: [PATCH] initial commit --- .gitignore | 1 + .vscode/c_cpp_properties.json | 18 ++++++++++ .vscode/extensions.json | 7 ++++ .vscode/launch.json | 29 ++++++++++++++++ .vscode/settings.json | 16 +++++++++ CMakeLists.txt | 34 +++++++++++++++++++ pico_sdk_import.cmake | 62 +++++++++++++++++++++++++++++++++++ picovga.c | 23 +++++++++++++ vga.txt | 5 +++ 9 files changed, 195 insertions(+) create mode 100644 .gitignore create mode 100644 .vscode/c_cpp_properties.json create mode 100644 .vscode/extensions.json create mode 100644 .vscode/launch.json create mode 100644 .vscode/settings.json create mode 100644 CMakeLists.txt create mode 100644 pico_sdk_import.cmake create mode 100644 picovga.c create mode 100644 vga.txt diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..567609b --- /dev/null +++ b/.gitignore @@ -0,0 +1 @@ +build/ diff --git a/.vscode/c_cpp_properties.json b/.vscode/c_cpp_properties.json new file mode 100644 index 0000000..e385a5e --- /dev/null +++ b/.vscode/c_cpp_properties.json @@ -0,0 +1,18 @@ +{ + "configurations": [ + { + "name": "Linux", + "includePath": [ + "${workspaceFolder}/**", + "${env:PICO_SDK_PATH}/**" + ], + "defines": [], + "compilerPath": "/usr/bin/arm-none-eabi-gcc", + "cStandard": "gnu17", + "cppStandard": "gnu++14", + "intelliSenseMode": "linux-gcc-arm", + "configurationProvider" : "ms-vscode.cmake-tools" + } + ], + "version": 4 +} diff --git a/.vscode/extensions.json b/.vscode/extensions.json new file mode 100644 index 0000000..5acb283 --- /dev/null +++ b/.vscode/extensions.json @@ -0,0 +1,7 @@ +{ + "recommendations": [ + "marus25.cortex-debug", + "ms-vscode.cmake-tools", + "ms-vscode.cpptools" + ] +} diff --git a/.vscode/launch.json b/.vscode/launch.json new file mode 100644 index 0000000..8eaaa7a --- /dev/null +++ b/.vscode/launch.json @@ -0,0 +1,29 @@ +{ + // Use IntelliSense to learn about possible attributes. + // Hover to view descriptions of existing attributes. + // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387 + "version": "0.2.0", + "configurations": [ + { + "name": "Cortex Debug", + "cwd": "${workspaceRoot}", + "executable": "${command:cmake.launchTargetPath}", + "request": "launch", + "type": "cortex-debug", + "servertype": "openocd", + "gdbPath": "gdb-multiarch", + "device": "RP2040", + "configFiles": [ + "interface/raspberrypi-swd.cfg", + "target/rp2040.cfg" + ], + "svdFile": "${env:PICO_SDK_PATH}/src/rp2040/hardware_regs/rp2040.svd", + "runToMain": true, + // Give restart the same functionality as runToMain + "postRestartCommands": [ + "break main", + "continue" + ] + } + ] +} diff --git a/.vscode/settings.json b/.vscode/settings.json new file mode 100644 index 0000000..7ca58bd --- /dev/null +++ b/.vscode/settings.json @@ -0,0 +1,16 @@ +{ + "cmake.configureOnOpen": false, + "cmake.statusbar.advanced": { + "debug" : { + "visibility": "hidden" + }, "launch" : { + "visibility": "hidden" + }, + "build" : { + "visibility": "hidden" + }, + "buildTarget" : { + "visibility": "hidden" + }, + }, +} diff --git a/CMakeLists.txt b/CMakeLists.txt new file mode 100644 index 0000000..4afb48b --- /dev/null +++ b/CMakeLists.txt @@ -0,0 +1,34 @@ +# Generated Cmake Pico project file + +cmake_minimum_required(VERSION 3.13) + +set(CMAKE_C_STANDARD 11) +set(CMAKE_CXX_STANDARD 17) + +# initalize pico_sdk from installed location +# (note this can come from environment, CMake cache etc) +set(PICO_SDK_PATH "/home/ben/pico/pico-sdk") + +# Pull in Raspberry Pi Pico SDK (must be before project) +include(pico_sdk_import.cmake) + +project(PicoVGA C CXX ASM) + +# Initialise the Raspberry Pi Pico SDK +pico_sdk_init() + +# Add executable. Default name is the project name, version 0.1 + +add_executable(PicoVGA PicoVGA.c ) + +pico_set_program_name(PicoVGA "PicoVGA") +pico_set_program_version(PicoVGA "0.1") + +pico_enable_stdio_uart(PicoVGA 1) +pico_enable_stdio_usb(PicoVGA 1) + +# Add the standard library to the build +target_link_libraries(PicoVGA pico_stdlib) + +pico_add_extra_outputs(PicoVGA) + diff --git a/pico_sdk_import.cmake b/pico_sdk_import.cmake new file mode 100644 index 0000000..28efe9e --- /dev/null +++ b/pico_sdk_import.cmake @@ -0,0 +1,62 @@ +# 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() + +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 () + FetchContent_Declare( + pico_sdk + GIT_REPOSITORY https://github.com/raspberrypi/pico-sdk + GIT_TAG master + ) + 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}) diff --git a/picovga.c b/picovga.c new file mode 100644 index 0000000..5d4ee97 --- /dev/null +++ b/picovga.c @@ -0,0 +1,23 @@ +#include +#include "pico/stdlib.h" + +const uint OUTPIN = 1; + +int main() +{ + stdio_init_all(); + + gpio_init(OUTPIN); + gpio_set_dir(OUTPIN, 1); + + while (1) + { + + printf("Hello, world!"); + gpio_put(OUTPIN, 1); + + } + + + return 0; +} diff --git a/vga.txt b/vga.txt new file mode 100644 index 0000000..05cdc3a --- /dev/null +++ b/vga.txt @@ -0,0 +1,5 @@ +WHITE - VSYNC +BLACK - HSYNC +RED - VGA_R +GREEN - VGA_G +BLUE - VGA_B \ No newline at end of file