From 8e293b49489f8bb474e5128e8e831e540a65fee6 Mon Sep 17 00:00:00 2001
From: Vencislav Atanasov <user890104@freemyipod.org>
Date: Fri, 17 Jan 2025 01:05:10 +0200
Subject: [PATCH] serial: Add serial_tx_raw() function for sending raw bytes to
 the serial port

serial_tx() can only be used for NULL-terminated strings, and also adds CR before every LF.

Change-Id: I8c3eafa5bc152bb54abf4629ee76396dc1cb9b8c
---
 firmware/drivers/serial.c | 8 ++++++++
 firmware/export/serial.h  | 3 ++-
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/firmware/drivers/serial.c b/firmware/drivers/serial.c
index 0fab570fdc..70f395bc32 100644
--- a/firmware/drivers/serial.c
+++ b/firmware/drivers/serial.c
@@ -52,3 +52,11 @@ void serial_tx(const unsigned char * buf)
         }
     }
 }
+
+void serial_tx_raw(const unsigned char * buf, int len)
+{
+    for (int i = 0; i < len; i++) {
+        while (!tx_rdy());
+        tx_writec(buf[i]);
+    }
+}
\ No newline at end of file
diff --git a/firmware/export/serial.h b/firmware/export/serial.h
index 8a4780c3f1..3ca0ce08a8 100644
--- a/firmware/export/serial.h
+++ b/firmware/export/serial.h
@@ -25,7 +25,8 @@
 extern void serial_setup(void);
 extern void serial_bitrate(int rate);
 extern int remote_control_rx(void);
-extern void serial_tx(const unsigned char *buf);
+extern void serial_tx(const unsigned char * buf);
+extern void serial_tx_raw(const unsigned char *buf, int len);
 extern void tx_writec(unsigned char c);
 extern int tx_rdy(void);