add sdk based blink example

8 files changed, 134 insertions, 5 deletions

diff --git a/.gitignore b/.gitignore
index d360dda..c5cb777 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,5 @@
+/contrib/pico-sdk-*/
+/contrib/pico-sdk-*.tar.gz
 /contrib/picoprobe.u2f
 /contrib/flash_nuke.u2f
 /contrib/openocd
diff --git a/README b/README
index 7cd3e49..6d0ee97 100644
--- a/README
+++ b/README
@@ -1,6 +1,7 @@
 Dependencies
 ============
 
+cmake
 make
 automake
 autoconf
diff --git a/contrib/Makefile b/contrib/Makefile
index 7250d5a..70488a8 100644
--- a/contrib/Makefile
+++ b/contrib/Makefile
@@ -20,6 +20,8 @@
 ##  along with spreadspace rppico utils. If not, see <http://www.gnu.org/licenses/>.
 ##
 
+SDK_VERSION := 1.4.0
+SDK_SHA256SUM := 951d1d316d9a01c734c5ec53e766a2d03fb44f405a2494bac9a8a7c178e25918
 CHIBIOS_VERSION := 21.11.2
 CHIBIOS_SHA256SUM := ba74eec6230b66d79c0f0a26e9af00ca46756cb47f7b4a229eb228cbff3a8b48
 FMPP_VERSION := 0.9.16
@@ -29,8 +31,22 @@ GCC_HOST := $(shell uname -m)-$(shell uname | tr '[:upper:]' '[:lower:]')
 GCC_SHA256SUM := 97dbb4f019ad1650b732faffcc881689cedc14e2b7ee863d390e0a41ef16c9a3
 
 
-all: download-picoprobe download-flash_nuke clone-openocd download-chibios download-gcc
-clean: clean-picoprobe clean-flash_nuke clean-openocd clean-chibios clean-gcc
+all: download-sdk download-picoprobe download-flash_nuke clone-openocd download-chibios download-gcc
+clean: clean-sdk clean-picoprobe clean-flash_nuke clean-openocd clean-chibios clean-gcc
+
+
+
+
+download-sdk: pico-sdk-${SDK_VERSION}.tar.gz
+
+pico-sdk-${SDK_VERSION}.tar.gz:
+	wget "https://github.com/raspberrypi/pico-sdk/archive/refs/tags/${SDK_VERSION}.tar.gz" -O "$@"
+	echo "${SDK_SHA256SUM} $@" | sha256sum -c
+	tar -xzf $@
+
+clean-sdk:
+	rm -f pico-sdk-${SDK_VERSION}.tar.gz
+	rm -rf pico-sdk-${SDK_VERSION}
 
 
 download-picoprobe: picoprobe.u2f
diff --git a/rules.mk b/rules.mk
index f068838..96745eb 100644
--- a/rules.mk
+++ b/rules.mk
@@ -20,9 +20,6 @@
 ##  along with spreadspace rppico utils. If not, see <http://www.gnu.org/licenses/>.
 ##
 
-program: build/$(PROJECT).elf
-	$(OPENOCD)/src/openocd -s $(OPENOCD)/tcl -f interface/picoprobe.cfg -f target/rp2040.cfg -c "program build/$(PROJECT).elf verify reset exit"
-
 gdb-server:
 	$(OPENOCD)/src/openocd -s $(OPENOCD)/tcl -f interface/picoprobe.cfg -f target/rp2040.cfg -c "tcl_port disabled; telnet_port disabled; gdb_port 4242;"
 #	$(OPENOCD)/src/openocd -s $(OPENOCD)/tcl -f interface/picoprobe.cfg -f target/rp2040.cfg -c "tcl_port disabled; telnet_port disabled; gdb_port 4242; rp2040.core0 configure -rtos chibios; rp2040.core1 configure -rtos chibios;"
diff --git a/sdk-blink/CMakeLists.txt b/sdk-blink/CMakeLists.txt
new file mode 100644
index 0000000..c365501
--- /dev/null
+++ b/sdk-blink/CMakeLists.txt
@@ -0,0 +1,25 @@
+cmake_minimum_required(VERSION 3.12)
+
+include(../sdk.cmake)
+
+project(blink C CXX ASM)
+set(CMAKE_C_STANDARD 11)
+set(CMAKE_CXX_STANDARD 17)
+
+pico_sdk_init()
+
+add_compile_options(-Wall
+        -Wno-format          # int != int32_t as far as the compiler is concerned because gcc has int32_t as long int
+        -Wno-unused-function # we have some for the docs that aren't called
+        -Wno-maybe-uninitialized
+        )
+
+add_executable(blink
+        blink.c
+        )
+
+# pull in common dependencies
+target_link_libraries(blink pico_stdlib)
+
+# create map/bin/hex file etc.
+pico_add_extra_outputs(blink)
diff --git a/sdk-blink/Makefile b/sdk-blink/Makefile
new file mode 100644
index 0000000..4a6a8f4
--- /dev/null
+++ b/sdk-blink/Makefile
@@ -0,0 +1,39 @@
+##
+##  spreadspace rppico utils
+##
+##
+##  Copyright (C) 2022 Christian Pointner <equinox@spreadspace.org>
+##
+##  This file is part of spreadspace rppico utils.
+##
+##  spreadspace rppico utils is free software: you can redistribute it and/or modify
+##  it under the terms of the GNU General Public License as published by
+##  the Free Software Foundation, either version 3 of the License, or
+##  any later version.
+##
+##  spreadspace rppico utils is distributed in the hope that it will be useful,
+##  but WITHOUT ANY WARRANTY; without even the implied warranty of
+##  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+##  GNU General Public License for more details.
+##
+##  You should have received a copy of the GNU General Public License
+##  along with spreadspace rppico utils. If not, see <http://www.gnu.org/licenses/>.
+##
+
+PROJECT := blink
+include ../defines.mk
+
+all: build
+.PHONY: build clean
+
+build/Makefile:
+	mkdir -p build
+	cd build; cmake ..
+
+build: build/Makefile
+	make -C build
+
+clean:
+	rm -rf build
+
+include ../rules.mk
diff --git a/sdk-blink/blink.c b/sdk-blink/blink.c
new file mode 100644
index 0000000..d478d78
--- /dev/null
+++ b/sdk-blink/blink.c
@@ -0,0 +1,23 @@
+/**
+ * Copyright (c) 2020 Raspberry Pi (Trading) Ltd.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include "pico/stdlib.h"
+
+int main() {
+#ifndef PICO_DEFAULT_LED_PIN
+#warning blink example requires a board with a regular LED
+#else
+    const uint LED_PIN = PICO_DEFAULT_LED_PIN;
+    gpio_init(LED_PIN);
+    gpio_set_dir(LED_PIN, GPIO_OUT);
+    while (true) {
+        gpio_put(LED_PIN, 1);
+        sleep_ms(250);
+        gpio_put(LED_PIN, 0);
+        sleep_ms(250);
+    }
+#endif
+}
diff --git a/sdk.cmake b/sdk.cmake
new file mode 100644
index 0000000..77c0098
--- /dev/null
+++ b/sdk.cmake
@@ -0,0 +1,26 @@
+##
+##  spreadspace rppico utils
+##
+##
+##  Copyright (C) 2022 Christian Pointner <equinox@spreadspace.org>
+##
+##  This file is part of spreadspace rppico utils.
+##
+##  spreadspace rppico utils is free software: you can redistribute it and/or modify
+##  it under the terms of the GNU General Public License as published by
+##  the Free Software Foundation, either version 3 of the License, or
+##  any later version.
+##
+##  spreadspace rppico utils is distributed in the hope that it will be useful,
+##  but WITHOUT ANY WARRANTY; without even the implied warranty of
+##  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+##  GNU General Public License for more details.
+##
+##  You should have received a copy of the GNU General Public License
+##  along with spreadspace rppico utils. If not, see <http://www.gnu.org/licenses/>.
+##
+
+set(PICO_SDK_PATH ../contrib/pico-sdk-1.4.0)
+SET(PICO_TOOLCHAIN_PATH ../contrib/gcc-arm-none-eabi-10.3-2021.10)
+
+include(${PICO_SDK_PATH}/pico_sdk_init.cmake)