lcd_driver.h File Reference

Interfaz del driver para LCD alfanumerico. More...

#include <chip.h>

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Functions
void	driver_lcd_init (void)
	Inicializa el LCD y ejecuta la secuencia de arranque.
void	driver_lcd_set_position (uint8_t x, uint8_t y)
	Posiciona el cursor dentro de la matriz visible del LCD.
void	driver_lcd_write_char (char c)
	Escribe un caracter en la posicion actual del LCD.
void	driver_lcd_printf (const char *string)
	Escribe una cadena a partir de la posicion actual del cursor.

Function Documentation

driver_lcd_init()

void driver_lcd_init

(

void

)

Secuencia estandar de arranque HD44780 en modo 4 bits.

Las escrituras repetidas de 0x03 fuerzan al controlador a un estado conocido antes de conmutar definitivamente a 0x02.

Definition at line 94 of file lcd_driver.c.

References driver_delay_init(), driver_delay_ms(), driver_lcd_init_port(), LCD_IS_COMMAND, lcd_send(), and send_byte().

Referenced by app_init().

driver_lcd_printf()

void driver_lcd_printf

(

const char *

string

)

Parameters

string

Cadena a imprimir.

Definition at line 157 of file lcd_driver.c.

References driver_lcd_write_char().

Referenced by hmi_escribir_linea().

driver_lcd_set_position()

void driver_lcd_set_position	(	uint8_t	x,
		uint8_t	y
	)

Parameters

x	Columna, en el rango 1 a 16.
y	Fila, en el rango 1 a 2.

Definition at line 128 of file lcd_driver.c.

References LCD_IS_COMMAND, and send_byte().

Referenced by hmi_escribir_linea().

driver_lcd_write_char()

void driver_lcd_write_char

(

char

c

)

Parameters

c	Caracter a escribir o caracter de control soportado por el driver.

Definition at line 139 of file lcd_driver.c.

References driver_delay_ms(), LCD_IS_COMMAND, LCD_IS_DATA, and send_byte().

Referenced by driver_lcd_printf(), and hmi_init().