1 files changed, 4 insertions, 2 deletions
diff --git a/uart/uart.c b/uart/uart.c
index 2e5d68d..a5fd352 100644
--- a/uart/uart.c
+++ b/uart/uart.c
@@ -12,7 +12,7 @@
 enum {
 	SBR_VAL = 39,
 	BRFA_VAL = 2,
-	SRBSZ = 1024,
+	SRBSZ = 2048,
 	FIFOSZ = 8,
 };
 
@@ -31,8 +31,10 @@ static inline size_t rb_store(void *_data, size_t size)
 	end = send_rb.end;
 	avail = (start + sizeof send_rb.buf - end) % sizeof send_rb.buf - 1;
 
-	if (size > avail)
+	if (size > avail) {
+		GPIOC_PSOR = BV(5);
 		size = avail;
+	}
 
 	for (int i = 0; i < size; i++)
 		send_rb.buf[(end + i) % sizeof send_rb.buf] = data[i];