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authorlonkaars <loek@pipeframe.xyz>2024-05-18 20:11:44 +0200
committerlonkaars <loek@pipeframe.xyz>2024-05-18 20:11:44 +0200
commit1152ec32b6086c153dc41da59c9c451aa4465995 (patch)
treede696dc61a4566a75b4df1df907cb1a2da25bd82 /proto/puzbusv1.c
parentcddfbb715d6f4f9d022d383ab8737b6af57a1d6f (diff)
WIP send/receive w/ msgpack
Diffstat (limited to 'proto/puzbusv1.c')
-rw-r--r--proto/puzbusv1.c21
1 files changed, 20 insertions, 1 deletions
diff --git a/proto/puzbusv1.c b/proto/puzbusv1.c
index 9d1335e..3ff7c63 100644
--- a/proto/puzbusv1.c
+++ b/proto/puzbusv1.c
@@ -1,13 +1,32 @@
#include <mpack.h>
+#include <stdio.h>
#include "puzbusv1.h"
int pb_read(struct pb_msg* target, char* buf, size_t buf_sz) {
mpack_reader_t reader;
+ printf("read %lu bytes...\n", buf_sz);
+
+ mpack_reader_init_data(&reader, buf, buf_sz);
+
+ uint16_t address = mpack_expect_u16(&reader);
+ char data_buf[80];
+ size_t data_size = mpack_expect_bin_buf(&reader, data_buf, sizeof(data_buf));
+
+ printf("0x%02x\n", address);
+ printf("\"%.*s\"\n", data_size, data_buf);
return 0;
}
-void pb_free(struct pb_msg* msg);
+int pb_write(struct pb_msg* target, char** buf, size_t* buf_sz) {
+ mpack_writer_t writer;
+ mpack_writer_init_growable(&writer, buf, buf_sz);
+ mpack_write_u16(&writer, target->addr);
+ mpack_write_bin(&writer, target->data, target->length);
+
+ // finish writing
+ return mpack_writer_destroy(&writer) == mpack_ok;
+}