Fix security vulnerability with chmod in tdisplay script

device_specific/flash_the_ttgo_tdisplay

@@ -35,18 +35,20 @@ fi
 
 echo "LINUX ONLY. Flashing the ${device}..."
 
-if ! command -v cmake &>/dev/null; then
+if ! command -v cmake &> /dev/null; then
   echo -e "\nERROR:\ncmake was not found on your system.\nPlease install cmake by running:\n\nsudo apt update && sudo apt install -y cmake\n"
   exit 1
-elif ! command -v git &>/dev/null; then
+elif ! command -v git &> /dev/null; then
   echo -e "\nERROR:\ngit was not found on your system.\nPlease install git by running:\n\nsudo apt update && sudo apt install -y git\n"
   exit 1
-elif ! command -v pip &>/dev/null; then
+elif ! command -v pip &> /dev/null; then
   echo -e "\n\RROR:\npip was not found on your system.\nPlease install pip by running:\n\nsudo apt update && sudo apt install -y python3-pip\n"
   exit 1
-elif ! command -v virtualenv &>/dev/null; then
+elif ! command -v virtualenv &> /dev/null; then
   echo -e "\nERROR:\nvirtualenv was not found on your system.\nPlease install virtualenv by running:\n\nsudo apt update && sudo apt install -y python3-virtualenv\n"
   exit 1
+elif ! command -v esptool &> /dev/null; then
+  echo -e "\nERROR:\esptool was not found on your system.\nPlease install esptool by running:\n\nsudo apt update && sudo apt install -y esptool\n"
 fi
 
 if [ ! -f "${esp_idf_save_directory}"/export.sh ]; then
@@ -73,15 +75,13 @@ sed -i.bak '/CONFIG_DEBUG_MODE/d' ./sdkconfig.defaults
 sed -i.bak '1s/^/CONFIG_LOG_DEFUALT_LEVEL_NONE=y\n/' sdkconfig.defaults
 rm sdkconfig.defaults.bak
 
+idf.py build
+
 while [ ! -c "${tty_device}" ]; do
   read -srn1 -p "Connect your ${device} and PRESS ANY KEY to continue... " && echo
 done
-tty_device_permissions="$(stat -c '%a' ${tty_device})"
-if [ "${tty_device_permissions:2}" -lt 6 ]; then
-  echo -e "ERROR:\nYou need elevated permissions to write to the device.\nPlease update your device permissoins by running:\n\nsudo chmod o+rw ${tty_device}\n"
-  exit 1
-fi
 
-idf.py flash
+# TODO: Read the esptool arguments from jade/build/flasher_args.json like how esptool.py does, rather than hard-code
+sudo esptool --port "${tty_device}" write_flash --flash_mode dio --flash_size 4MB --flash_freq 40m 0x1000 build/bootloader/bootloader.bin 0x10000 build/jade.bin 0x9000 build/partition_table/partition-table.bin 0xe000 build/ota_data_initial.bin
 
 echo -e "\nSUCCESS! Your ${device} is now running Jade."