wip uf2lukeshu/uf2

1 files changed, 27 insertions, 0 deletions

diff --git a/cmd/sbc_harness/uf2.h b/cmd/sbc_harness/uf2.h
new file mode 100644
index 0000000..bf9e032
--- /dev/null
+++ b/cmd/sbc_harness/uf2.h
@@ -0,0 +1,27 @@
+/* sbc_harness/uf2.h - Universal Flashing Format
+ *
+ * Copyright (C) 2025  Luke T. Shumaker <lukeshu@lukeshu.com>
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+
+#ifndef _SBC_HARNESS_FS_HARNESS_UF2_H_
+#define _SBC_HARNESS_FS_HARNESS_UF2_H_
+
+#include <stddef.h>  /* for size_t */
+#include <stdint.h>  /* for uint{n}_t */
+
+#include <libhw/generic/io.h>
+#include <libmisc/private.h>
+
+struct uf2_decoder {
+	BEGIN_PRIVATE(UF2_H);
+	bool            seen_err;
+	size_t          dat_len;
+	uint8_t         dat[512];
+	uint32_t        bnum;
+	uint32_t        bcnt;
+	END_PRIVATE(UF2_H);
+};
+LO_IMPLEMENTATION_H(io_writer, struct uf2_decoder, uf2_decoder);
+
+#endif /* _SBC_HARNESS_FS_HARNESS_UF2_H_ */