Center firmware WIP

1 files changed, 33 insertions, 0 deletions

diff --git a/center_fw/src/protocol.h b/center_fw/src/protocol.h
new file mode 100644
index 0000000..89c93e2
--- /dev/null
+++ b/center_fw/src/protocol.h
@@ -0,0 +1,33 @@
+#ifndef __PROTOCOL_H__
+#define __PROTOCOL_H__
+
+#include <stdint.h>
+#include <stdbool.h>
+
+#define PKT_TYPE_BULK_FLAG 0x80
+
+struct proto_rx_st {
+    int packet_type;
+    int is_bulk;
+    int rxpos;
+    int address;
+    uint8_t argbuf[8];
+    int offset;
+    const struct command_if_def *cmd_if;
+};
+
+struct command_if_def {
+    int packet_type_max;
+    int payload_len[0];
+};
+
+extern volatile uint32_t decoding_error_cnt, protocol_error_cnt;
+extern volatile bool backchannel_frame;
+
+/* Callback */
+void handle_command(int command, uint8_t *args);
+
+void receive_symbol(struct proto_rx_st *st, int symbol);
+void reset_receiver(struct proto_rx_st *st, const struct command_if_def *cmd_if);
+
+#endif