lcd.c File Reference

LCD display management. More...

#include "lcd.h"
#include <stddef.h>
#include <stdint.h>
#include "nextion.h"
#include "pages/race.h"
#include "pages/calibration.h"
#include "pages/faults.h"

Functions
void	updatePage ()
	Updates LCD display page.
void	LCD_init (uint32_t baud_rate)
void	advancePage ()
	Advances to the next selectable page.
void	backPage ()
	Moves to the previous selectable page.
void	moveUp ()
void	moveDown ()
void	selectItem ()
void	updateTelemetryPages ()
	Updates current telemetry page by calling its handler if available.

Variables
volatile page_t	curr_page = PAGE_PREFLIGHT
volatile page_t	prev_page = PAGE_PREFLIGHT
const page_handler_t	page_handlers [NUM_PAGES]

Detailed Description

LCD display management.

Author

Irving Wang (irvin.nosp@m.gw@p.nosp@m.urdue.nosp@m..edu)

Function Documentation

updatePage()

void updatePage

(

)

Updates LCD display page.

Key behaviors:

• Maintains display of error pages when active

Variable Documentation

page_handlers

const page_handler_t page_handlers[NUM_PAGES]

Initial value:

= { 
    [PAGE_RACE] = {
        .update    = nullptr,
        .move_up   = nullptr,
        .move_down = nullptr,
        .select    = nullptr,
        .telemetry = race_telemetry_update,
        .string    = RACE_STRING
    },
    [PAGE_FAULTS] = {
        .update    = faults_update,
        .move_up   = faults_move_up,
        .move_down = faults_move_down,
        .select    = faults_select,
        .telemetry = faults_telemetry_update,
        .string    = FAULT_STRING
    },
    [PAGE_CALIBRATION] = {
        .update    = nullptr,
        .move_up   = nullptr,
        .move_down = nullptr,
        .select    = nullptr,
        .telemetry = calibration_telemetry_update,
        .string    = CALIBRATION_STRING
    }
}