From ed9e766423a7f03d644f742c1ff90bf75d797323 Mon Sep 17 00:00:00 2001
From: Shawn Nock <shawn@monadnock.ca>
Date: Tue, 18 Jun 2019 15:07:14 -0400
Subject: [PATCH] Eliminates excessive sleep waiting for response and send wait
 for fast_mode

---
 src/image.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/image.c b/src/image.c
index 5eafc70..5ba1e58 100644
--- a/src/image.c
+++ b/src/image.c
@@ -83,7 +83,7 @@ static void read_response(uint8_t *dest, size_t *len) {
                 if (timer_expired()) {
                     BAIL_OUT(ERR_TIMEOUT);
                 }
-                usleep(250000);
+                usleep(5000);
                 continue;
             }
             BAIL_OUT(ERR_SERIAL_PORT);
@@ -246,7 +246,9 @@ static void wrap_and_send_pkt(uint8_t *data, size_t len, bool fast_mode) {
         if (pos == out_buf) {
             write(serial_fd, start_pkt, sizeof(start_pkt));
         } else {
-            usleep(20000);
+            if (!fast_mode) {
+                usleep(20000);
+            }
             write(serial_fd, start_data, sizeof(start_data));
         }