Squashed 'third_party/pico-sdk/' content from commit 2062372d2
Change-Id: Ic20f199d3ed0ea8d3a6a1bbf513f875ec7500cc6
git-subtree-dir: third_party/pico-sdk
git-subtree-split: 2062372d203b372849d573f252cf7c6dc2800c0a
Signed-off-by: Austin Schuh <austin.linux@gmail.com>
diff --git a/tools/pioasm/main.cpp b/tools/pioasm/main.cpp
new file mode 100644
index 0000000..e7ff686
--- /dev/null
+++ b/tools/pioasm/main.cpp
@@ -0,0 +1,100 @@
+/*
+ * Copyright (c) 2020 Raspberry Pi (Trading) Ltd.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <iostream>
+#include "pio_assembler.h"
+
+#define DEFAULT_OUTPUT_FORMAT "c-sdk"
+
+void usage() {
+ std::cerr << "usage: pioasm <options> <input> (<output>)\n\n";
+ std::cerr << "Assemble file of PIO program(s) for use in applications.\n";
+ std::cerr << " <input> the input filename\n";
+ std::cerr << " <output> the output filename (or filename prefix if the output format produces multiple outputs).\n";
+ std::cerr << " if not specified, a single output will be written to stdout\n";
+ std::cerr << "\n";
+ std::cerr << "options:\n";
+ std::cerr << " -o <output_format> select output_format (default '" << DEFAULT_OUTPUT_FORMAT << "'); available options are:\n";
+ for(const auto& f : output_format::all()) {
+ std::cerr << " " << f->name << std::endl;
+ std::cerr << " " << f->get_description() << std::endl;
+ }
+ std::cerr << " -p <output_param> add a parameter to be passed to the output format generator" << std::endl;
+ std::cerr << " -?, --help print this help and exit\n";
+}
+
+int main(int argc, char *argv[]) {
+ int res = 0;
+ pio_assembler pioasm;
+ std::string format(DEFAULT_OUTPUT_FORMAT);
+ const char *input = nullptr;
+ const char *output = nullptr;
+ std::vector<std::string> options;
+ int i = 1;
+ for (; !res && i < argc; i++) {
+ if (argv[i][0] != '-') break;
+ if (argv[i] == std::string("-o")) {
+ if (++i < argc) {
+ format = argv[i];
+ } else {
+ std::cerr << "error: -o requires format value" << std::endl;
+ res = 1;
+ }
+ } else if (argv[i] == std::string("-p")) {
+ if (++i < argc) {
+ options.emplace_back(argv[i]);
+ } else {
+ std::cerr << "error: -p requires parameter value" << std::endl;
+ res = 1;
+ }
+ } else if (argv[i] == std::string("-?") || argv[i] == std::string("--help")) {
+ usage();
+ return 1;
+ } else {
+ std::cerr << "error: unknown option " << argv[i] << std::endl;
+ res = 1;
+ }
+ }
+ if (!res) {
+ if (i != argc) {
+ input = argv[i++];
+ } else {
+ std::cerr << "error: expected input filename\n";
+ res = 1;
+ }
+ }
+ if (!res) {
+ if (i != argc) {
+ output = argv[i++];
+ } else {
+ output = "-";
+ }
+ }
+ if (!res && i != argc) {
+ std::cerr << "unexpected command line argument " << argv[i] << std::endl;
+ res = 1;
+ }
+ std::shared_ptr<output_format> oformat;
+ if (!res) {
+ const auto& e = std::find_if(output_format::all().begin(), output_format::all().end(),
+ [&](const std::shared_ptr<output_format> &f) {
+ return f->name == format;
+ });
+ if (e == output_format::all().end()) {
+ std::cerr << "error: unknown output format '" << format << "'" << std::endl;
+ res = 1;
+ } else {
+ oformat = *e;
+ }
+ }
+ if (res) {
+ std::cerr << std::endl;
+ usage();
+ } else {
+ res = pioasm.generate(oformat, input, output, options);
+ }
+ return res;
+}
\ No newline at end of file