From 9eef62547efdf8e18009b6d6d6b3f7c80bf64e13 Mon Sep 17 00:00:00 2001
From: jaseg <git@jaseg.net>
Date: Wed, 17 Apr 2019 16:32:43 +0900
Subject: center/fw: Add backchannel infrastructure

Untested!
---
 center_fw/transmit.h | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
 create mode 100644 center_fw/transmit.h

(limited to 'center_fw/transmit.h')

diff --git a/center_fw/transmit.h b/center_fw/transmit.h
new file mode 100644
index 0000000..dd9bcb9
--- /dev/null
+++ b/center_fw/transmit.h
@@ -0,0 +1,18 @@
+#ifndef __TRANSMIT_H__
+#define __TRANSMIT_H__
+
+#include "global.h"
+#include "8b10b.h"
+
+#define TX_IDLE (-1)
+
+#define TX_ERR_BUSY -1
+#define TX_ERR_UNINITIALIZED -2
+
+extern volatile uint32_t tx_overflow_cnt;
+
+void tx_init(uint8_t *tx_buf);
+int tx_transmit(size_t len);
+int tx_next_bit(void);
+
+#endif /* __TRANSMIT_H__ */
-- 
cgit