firmware wip - change pwm freq to 13.37KHz, add xxd to ./cangrow setup

Arduino/CanGrow/CanGrow.ino

@@ -79,8 +79,8 @@ void setup() {
   // PINsoilmoisture is always HIGH and gets LOW in moment of waterlevel measurement
   digitalWrite(PINsoilmoisture, LOW);
   
-  // set PWM frequency to 2.2KHz
-  analogWriteFreq(2200);
+  // set PWM frequency to 13.37KHz
+  analogWriteFreq(13370);
 
   // Start EEPROM
   EEPROM.begin(512);

Arduino/CanGrow/CanGrow_Version.h

@@ -1,5 +1,5 @@
 /* CanGrow_Version.h gets generated from cangrow.sh */
 
 const char* CanGrowVer = "0.1-dev";
-const char* CanGrowBuild = "806aa2d-20240617022728";
+const char* CanGrowBuild = "6554c0a-20240728025133";
 

cangrow.sh

@@ -44,7 +44,7 @@ case $1 in
 		echo ""
 		echo ":: Installing Arduino IDE packages with apt, please enter sudo password:"
 		sudo apt update 
-		sudo apt install arduino python3 wget curl
+		sudo apt install arduino python3 wget curl xxd
 		echo ":: Ensure directory ${ACLI_DIR} is present"
 		test -d ${ACLI_DIR} || mkdir -p ${ACLI_DIR}
 		echo ":: Please ensure ${ACLI_DIR} is in your \$PATH, I wont do it."