Atmel Software Framework

hx8347a.h File Reference

HX8347A display controller driver.

Copyright (c) 2012-2015 Atmel Corporation. All rights reserved.

#include <gpio.h>
#include <compiler.h>
#include "conf_hx8347a.h"

Macros

#define HX8347A_COLOR(r, g, b)
 This macro generates a 16-bit native color for the display from a 24-bit RGB value. More...
 
#define HX8347A_DEFAULT_HEIGHT   320
 Height of display using default orientation. More...
 
#define HX8347A_DEFAULT_WIDTH   240
 Width of display using default orientation. More...
 
#define HX8347A_FLIP_X   1
 Bit mask for flipping X for hx8347a_set_orientation() More...
 
#define HX8347A_FLIP_Y   2
 Bit mask for flipping Y for hx8347a_set_orientation() More...
 
#define HX8347A_SWITCH_XY   4
 Bit mask for swapping X and Y for hx8347a_set_orientation() More...
 
#define HX8347A_SWITCH_XY_HEIGHT   240
 Height of display using swapped X/Y orientation. More...
 
#define HX8347A_SWITCH_XY_WIDTH   320
 Width of display using swapped X/Y orientation. More...
 

Typedefs

typedef uint16_t hx8347a_color_t
 
typedef int16_t hx8347a_coord_t
 

Functions

Register manipulation functions
void hx8347a_write_register (uint8_t address, uint8_t value)
 Write a specific register in the controller with a single byte. More...
 
uint8_t hx8347a_read_register (uint8_t address)
 Read the value of a specific register in the controller. More...
 
void hx8347a_clear_register (uint8_t address, uint8_t bitmask)
 Helper function for easier register access. More...
 
void hx8347a_set_register (uint8_t address, uint8_t bitmask)
 Helper function for easier register access. More...
 
Controller primitive graphical functions
hx8347a_color_t hx8347a_read_gram (void)
 Read a single color from the graphical memory. More...
 
void hx8347a_write_gram (hx8347a_color_t color)
 Write the graphical memory with a single color pixel. More...
 
void hx8347a_set_top_left_limit (hx8347a_coord_t x, hx8347a_coord_t y)
 Set the display top left drawing limit. More...
 
void hx8347a_set_bottom_right_limit (hx8347a_coord_t x, hx8347a_coord_t y)
 Set the display bottom right drawing limit. More...
 
void hx8347a_set_limits (hx8347a_coord_t start_x, hx8347a_coord_t start_y, hx8347a_coord_t end_x, hx8347a_coord_t end_y)
 Set the fully display drawing limits. More...
 
void hx8347a_set_orientation (uint8_t flags)
 Set the display orientation. More...
 
void hx8347a_copy_pixels_to_screen (const hx8347a_color_t *pixels, uint32_t count)
 Copy pixels from SRAM to the screen. More...
 
void hx8347a_copy_progmem_pixels_to_screen (hx8347a_color_t PROGMEM_PTR_T pixels, uint32_t count)
 Copy pixels from progmem to the screen. More...
 
void hx8347a_copy_pixels_from_screen (hx8347a_color_t *pixels, uint32_t count)
 Copy pixels from the screen to a pixel buffer. More...
 
void hx8347a_duplicate_pixel (const hx8347a_color_t color, uint32_t count)
 Write a set color to the screen. More...
 
Controller and display initialization and management
void hx8347a_init (void)
 Initialize the controller. More...
 
void hx8347a_exit_standby (void)
 Send display commands to exit standby mode. More...
 
void hx8347a_reset_display (void)
 Reset the display using the digital control interface. More...
 
static __always_inline void hx8347a_backlight_on (void)
 Function to turn on the display back light. More...
 
static __always_inline void hx8347a_backlight_off (void)
 Function to turn off the display back light. More...