From 4975f05c3e8744706a9aa820cb93badb8fb51881 Mon Sep 17 00:00:00 2001
From: Thorsten von Eicken <tve@rightscale.com>
Date: Mon, 9 Nov 2015 18:08:48 -0800
Subject: [PATCH] optiboot: allow for 9600 baud

---
 esp-link/cgioptiboot.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/esp-link/cgioptiboot.c b/esp-link/cgioptiboot.c
index b6d953d9..dfeb360f 100644
--- a/esp-link/cgioptiboot.c
+++ b/esp-link/cgioptiboot.c
@@ -468,7 +468,8 @@ static bool ICACHE_FLASH_ATTR programPage(void) {
 
 static void ICACHE_FLASH_ATTR armTimer() {
   os_timer_disarm(&optibootTimer);
-  os_timer_arm(&optibootTimer, 100, 0); // 100ms
+  // time-out every 50ms, except when programming to allow for 9600baud (133ms for 128 bytes)
+  os_timer_arm(&optibootTimer, progState==stateProg ? 200 : 50, 0);
 }
 
 static void ICACHE_FLASH_ATTR optibootTimerCB(void *arg) {