lcd.c File Reference

LCD display management. More...

#include "lcd.h"
#include <stddef.h>
#include <stdint.h>
#include "common/nextion/nextion.h"
#include "common/phal_G4/usart/usart.h"
#include "pages/race.h"
#include "pages/calibration.h"
#include "pages/faults.h"
#include "pages/amk.h"
#include "pages/vcu.h"

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Functions
	ALLOCATE_STRBUF (lcd_tx_buf, 2048)
void	LCD_init (uint32_t baud_rate)
void	LCD_tx_update (void)
	Called periodically to send commands to the Nextion LCD display via USART.
void	advancePage ()
	Advances to the next selectable page.
void	backPage ()
	Moves to the previous selectable page.
void	updatePage ()
	Updates LCD display 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

advancePage()

void advancePage

(

void

)

Advances to the next selectable page.

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ALLOCATE_STRBUF()

ALLOCATE_STRBUF	(	lcd_tx_buf	,
		2048	)

backPage()

void backPage

(

void

)

Moves to the previous selectable page.

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LCD_init()

void LCD_init

(

uint32_t

baud_rate

)

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LCD_tx_update()

void LCD_tx_update

(

void

)

Called periodically to send commands to the Nextion LCD display via USART.

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moveDown()

void moveDown

(

void

)

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moveUp()

void moveUp

(

void

)

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selectItem()

void selectItem

(

void

)

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updatePage()

void updatePage

(

void

)

Updates LCD display page.

Key behaviors:

• Maintains display of error pages when active

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updateTelemetryPages()

void updateTelemetryPages

(

void

)

Updates current telemetry page by calling its handler if available.

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Variable Documentation

curr_page

volatile page_t curr_page = PAGE_PREFLIGHT

page_handlers

const page_handler_t page_handlers[NUM_PAGES]

prev_page

volatile page_t prev_page = PAGE_PREFLIGHT