Decrypt This

Code

Pseudo Code:
[Helm SM] [Ship SM] [Helm Keypad]

Source Code (zip):
[Helm & Ship PIC] [Ship SSP Slave] [Helm Keypad]

Diagrams:
[State Machine] [Pinout]

Support Code (zip):
[PIC Serial Communicator]

Helm Pseudo Code: State Machine

;include "p16f690.inc"

;include "CommonDefines.inc"

;name global variables

;name incoming variables

;define global and local variables

;BEGIN CODE

;********************************************************************************

;DO EVERY TIME!!! Check for ping and hard reset messages from the Admiral

;********************************************************************************

;Check to see if the lid is closed

;if the lid is open skip to hSTATE_LidOpen

;if closed set initialize bit

;clear key ignition bit

;Check for Admiral header (byte 0)

;Check if it was a ping message from the Admiral (byte 2)

;Save sender address

;set sender address

;set header

;set data to send

;set flag to send message (ping response)

;Clear header

;Check if it was a hard reset message from the Admiral (byte 2)

;Clear header

;set initialize state bit

;Check if it was a Blue goal message from the Admiral (byte 2)

;save correct values into shift register variables

;send shift register variables out to ports

;Clear header

;Check if it was a Red goal message from the Admiral (byte 2)

;save correct values into shift register variables

;send shift register variables out to ports

;Clear header

;********************************************************************************

;STATE HELM INITIALIZE

;********************************************************************************

;Check the state bit

;Call all config .asm files

;change the PWM output for the Volt meter display

;reset ibutton

;reset Boat address

;Update ping value

;Update all control registers

;send shift register variables out to ports

;clear key ignition values PORT RC2

;clear key ignition values PORT RB4

;save correct values into shift register variables

;clear State test byte

;Change state to key ignition

;********************************************************************************

;STATE HELM KEY OFF

;********************************************************************************

;Check the key state

;change the PWM output for the Volt meter display

;update shift register

;check to make sure key switches are in "off" position

;set the next state

;clear the ignition test byte

;********************************************************************************

;STATE HELM KEY IGNITION

;********************************************************************************

;Check the key state

;change the PWM output for the Volt meter display

;update shift register

;Key Switch check

;save new port values PORT RC2

;save new port values PORT RB4

;Check transition on PORT RC2

;reset TMR

;Check transition on PORT RB4

;reset TMR

;check if both key switches made a transition from LO to HI

;save correct values into shift register variables

;send shift register variables out to ports

;clear the ignition test byte

;set the next state

;save new to old port values PORT RC2

;save new to old port values PORT RB4

;********************************************************************************

;STATE HELM iButtonWait

;********************************************************************************

;Check the state bit

;change the PWM output for the Volt meter display

;reset ibutton

;Update ping value

;Call iButton function

;Check if Serial Numbers are still 0

;if not still 0, continue, else RETURN

;reset ibutton

;Call iButton function

;Check if Serial Numbers are still 0

;if not still 0, continue, else RETURN

;Call all config .asm files

;save correct values into shift register variables

;Change state to iButtonTx

;********************************************************************************

;STATE HELM iButtonTx

;********************************************************************************

;check the state

;change the PWM output for the Volt meter display

;update shfit register

;Update ping value

;check if the "send msg flag" is set; if it's set do not attempt to send another msg

;Broadcast iButton serial number

;set sender address

;Set header

;Set data to send

;Send iButton data to boat

;Check Craft to Helm header

;Parse Craft to Helm packet

;Save boat address

;save correct values into shift register variables

;send shift register variables out to ports

;change state to StartGame

;Clear header

;********************************************************************************

;STATE HELM StartGame

;********************************************************************************

;check the state

;change the PWM output for the Volt meter display

;Update ping value

;Check Admiral header

;Check if it was a start game message from the Admiral (byte 2)

;Save sender address

;save sent message and set data to send

;set sender address

;set header

;send ack msg

;Clear header

;change state to game on

;Check if it was an end game message from the Admiral (byte 2)

;Save sender address

;save sent message and set data to send

;set sender address

;set header

;send ack msg

;Clear header

;save correct values into shift register variables

;send shift register variables out to ports

;change state to end game

;********************************************************************************

;STATE BOAT GameOn

;********************************************************************************

;check the state

;change the PWM output for the Volt meter display

;Update ping value

;check if the "send msg flag" is set; if it's set do not attempt to send another msg

;check a second "send msg flag" is set; if it's set do not attempt to send another msg

;Send data out to craft

;set sender address

;set header

;set data to send

;send nav packet

;Check Admiral header

;Check if it was an end game message from the Admiral (byte 2)

;Save sender address

;save sent message and set data to send

;set sender address

;set header

;send ack msg

;Clear header

;change state to end game

;Check Craft to Helm header

;Parse Craft to Helm packet

;clear 10sec TMR

;Save sender address

;save sent message and set data to send

;set sender address

;set header

;send ack msg

;Clear header

;save correct values into shift register variables

;change state to stand down

;********************************************************************************

;STATE BOAT StandDown

;********************************************************************************

;check the state

;change the PWM output for the Volt meter display

;update shift register

;Update ping value

;check if the "send msg flag" is set; if it's set do not attempt to send another msg

;Send data out to craft

;set sender address

;set header

;set data to send

;Check Admiral header

;Check if it was an end game message from the Admiral (byte 2)

;Save sender address

;save sent message and set data to send

;set sender address

;set header

;send ack msg

;Clear header

;save correct values into shift register variables

;send shift register variables out to ports

;change state to end game

;Clear header

;********************************************************************************

;STATE HELM ENDGAME

;********************************************************************************

;check the state

;change the PWM output for the Volt meter display

;Update ping value

;check if the "send msg flag" is set; if it's set do not attempt to send another msg

;check if a second "send msg flag" is set; if it's set do not attempt to send another msg

;Send data out to craft

;set sender address

;set header

;set data to send

;send nav packet

;Check Admiral header (skip next line if header matches)

;Check if it was a start game message from the Admiral (byte 2)

;Save sender address

;save sent message and set data to send

;set sender address

;set header

;send ack msg

;Clear header

;change state

;********************************************************************************