Add 'fw/' from commit '5b94dee9cfb1eaaf28510b843c60355663b660ea'

git-subtree-dir: fw
git-subtree-mainline: 6eddc61626d470363ba464c57a5fc5ec7e8ce329
git-subtree-split: 5b94dee9cfb1eaaf28510b843c60355663b660ea

1 files changed, 27 insertions, 0 deletions

diff --git a/fw/include/cobs.h b/fw/include/cobs.h
new file mode 100644
index 0000000..24e16fb
--- /dev/null
+++ b/fw/include/cobs.h
@@ -0,0 +1,27 @@
+#ifndef __COBS_H__
+#define __COBS_H__
+
+#include <stdint.h>
+#include <unistd.h>
+#include <string.h>
+
+
+struct cobs_decode_state {
+    size_t p;
+    size_t c;
+};
+
+
+ssize_t cobs_encode(char *dst, size_t dstlen, char *src, size_t srclen);
+ssize_t cobs_decode(char *dst, size_t dstlen, char *src, size_t srclen);
+
+int cobs_encode_incremental(void *f, int (*output)(void *f, unsigned char c), unsigned char *src, size_t srclen);
+
+/*@ requires \valid(state);
+    ensures state->p == 0 && state->c == 0;
+    assigns *state;
+  @*/
+void cobs_decode_incremental_initialize(struct cobs_decode_state *state);
+int cobs_decode_incremental(struct cobs_decode_state *state, unsigned char *dst, size_t dstlen, unsigned char src);
+
+#endif//__COBS_H__