add change-mode support

bin/device-install.sh

@@ -114,6 +114,7 @@ done
 
 if [[ $WEB_APP == true ]]; then
 	$ESPTOOL_CMD --baud 1200 --after no_reset read_flash_status
+	exit 0
 fi
 
 [ -z "$FILENAME" -a -n "$1" ] && {

bin/device-update.sh

@@ -1,6 +1,7 @@
 #!/bin/sh
 
 PYTHON=${PYTHON:-$(which python3 python|head -n 1)}
+CHANGE_MODE=false
 
 # Determine the correct esptool command to use
 if "$PYTHON" -m esptool version >/dev/null 2>&1; then
@@ -17,13 +18,14 @@ fi
 # Usage info
 show_help() {
 cat << EOF
-Usage: $(basename $0) [-h] [-p ESPTOOL_PORT] [-P PYTHON] [-f FILENAME|FILENAME]
+Usage: $(basename $0) [-h] [-p ESPTOOL_PORT] [-P PYTHON] [-f FILENAME|FILENAME] [--change-mode]
-Flash image file to device, leave existing system intact."
+Flash image file to device, leave existing system intact.
 
     -h               Display this help and exit
     -p ESPTOOL_PORT  Set the environment variable for ESPTOOL_PORT.  If not set, ESPTOOL iterates all ports (Dangerous).
     -P PYTHON        Specify alternate python interpreter to use to invoke esptool. (Default: "$PYTHON")
     -f FILENAME      The *update.bin file to flash.  Custom to your device type.
+    --change-mode    Attempt to place the device in correct mode. Some hardware requires this twice. (1200bps Reset)
 
 EOF
 }
@@ -41,6 +43,9 @@ while getopts ":hp:P:f:" opt; do
             ;;
         f)  FILENAME=${OPTARG}
             ;;
+	    --change-mode)
+            CHANGE_MODE=true
+            ;;
         *)
  	        echo "Invalid flag."
             show_help >&2
@@ -50,6 +55,11 @@ while getopts ":hp:P:f:" opt; do
 done
 shift "$((OPTIND-1))"
 
+if [[ $WEB_APP == true ]]; then
+	$ESPTOOL_CMD --baud 1200 --after no_reset read_flash_status
+    exit 0
+fi
+
 [ -z "$FILENAME" -a -n "$1" ] && {
     FILENAME=$1
     shift