EPD_hardware_gpio.h File Reference

The definition of EPD GPIO pins.

Copyright (c) 2012-2014 Pervasive Displays Inc. All rights reserved.

#include "Pervasive_Displays_small_EPD.h"

Macros
#define	_BV(bit)   (1 << (bit))
	left shift 1 bit More...
#define	_HIGH   1
	signal high More...
#define	_LOW   !_HIGH
	signal low More...
#define	config_gpio_dir_i(Pin)   ioport_set_pin_dir(Pin, IOPORT_DIR_INPUT)
	set input direction for an IOPORT pin More...
#define	config_gpio_dir_o(Pin)   ioport_set_pin_dir(Pin, IOPORT_DIR_OUTPUT)
	set output direction for an IOPORT pin More...
#define	input_get(Pin)   ioport_get_pin_level(Pin)
	get current value of an IOPORT pin More...
#define	set_gpio_high(Pin)   ioport_set_pin_level(Pin,_HIGH)
	set HIGH for an IOPORT pin More...
#define	set_gpio_invert(Pin)   ioport_toggle_pin_level(Pin)
	toggle the value of an IOPORT pin More...
#define	set_gpio_low(Pin)   ioport_set_pin_level(Pin,_LOW)
	set LOW for an IOPORT pin More...

Functions
void	EPD_border_high (void)
	Set BORDER_CONTROL pin to high. More...
void	EPD_border_low (void)
	Set BORDER_CONTROL pin to low. More...
void	EPD_cs_high (void)
	Set EPD_CS pin to high. More...
void	EPD_cs_low (void)
	Set EPD_CS pin to low. More...
void	EPD_discharge_high (void)
	Set DISCHARGE pin to high. More...
void	EPD_discharge_low (void)
	Set DISCHARGE pin to low. More...
void	EPD_flash_cs_high (void)
	Set Flash_CS pin to high. More...
void	EPD_flash_cs_low (void)
	Set Flash_CS pin to low. More...
void	EPD_initialize_gpio (void)
	Configure GPIO. More...
bool	EPD_IsBusy (void)
	Get BUSY pin status. More...
void	EPD_pwm_high (void)
	Set PWM pin to high. More...
void	EPD_pwm_low (void)
	Set PWM pin to low. More...
void	EPD_rst_high (void)
	Set /RESET pin to high. More...
void	EPD_rst_low (void)
	Set /RESET pin to low. More...
void	EPD_Vcc_turn_off (void)
	Set Vcc (PANEL_ON) to low. More...
void	EPD_Vcc_turn_on (void)
	Set Vcc (PANEL_ON) to high. More...
void	SPICLK_low (void)
	Set Clock of SPI to low. More...
void	SPIMISO_low (void)
	Set MISO pin of SPI to low. More...
void	SPIMOSI_low (void)
	Set MOSI pin of SPI to low. More...

#define _BV

(

bit

)

(1 << (bit))

left shift 1 bit

#define _HIGH   1

signal high

#define _LOW   !_HIGH

signal low

#define config_gpio_dir_i

(

Pin

)

ioport_set_pin_dir(Pin, IOPORT_DIR_INPUT)

set input direction for an IOPORT pin

Referenced by EPD_initialize_gpio().

#define config_gpio_dir_o

(

Pin

)

ioport_set_pin_dir(Pin, IOPORT_DIR_OUTPUT)

set output direction for an IOPORT pin

Referenced by EPD_initialize_gpio(), epd_spi_detach(), and SPIMISO_low().

#define input_get

(

Pin

)

ioport_get_pin_level(Pin)

get current value of an IOPORT pin

Referenced by EPD_IsBusy().

#define set_gpio_high

(

Pin

)

ioport_set_pin_level(Pin,_HIGH)

set HIGH for an IOPORT pin

Referenced by EPD_border_high(), EPD_cs_high(), EPD_discharge_high(), EPD_pwm_high(), EPD_rst_high(), and EPD_Vcc_turn_on().

#define set_gpio_invert

(

Pin

)

ioport_toggle_pin_level(Pin)

toggle the value of an IOPORT pin

#define set_gpio_low

(

Pin

)

ioport_set_pin_level(Pin,_LOW)

set LOW for an IOPORT pin

Referenced by EPD_border_low(), EPD_cs_low(), EPD_discharge_low(), EPD_pwm_low(), EPD_rst_low(), epd_spi_detach(), EPD_Vcc_turn_off(), SPICLK_low(), SPIMISO_low(), and SPIMOSI_low().

void EPD_border_high

(

void

)

Set BORDER_CONTROL pin to high.

References set_gpio_high.

void EPD_border_low

(

void

)

Set BORDER_CONTROL pin to low.

References set_gpio_low.

Referenced by EPD_display_hardware_init(), and EPD_initialize_gpio().

void EPD_cs_high

(

void

)

Set EPD_CS pin to high.

References set_gpio_high.

Referenced by epd_spi_attach(), epd_spi_send(), and epd_spi_send_byte().

void EPD_cs_low

(

void

)

Set EPD_CS pin to low.

References set_gpio_low.

Referenced by EPD_display_hardware_init(), epd_spi_send(), and epd_spi_send_byte().

void EPD_discharge_high

(

void

)

Set DISCHARGE pin to high.

References set_gpio_high.

void EPD_discharge_low

(

void

)

Set DISCHARGE pin to low.

References set_gpio_low.

Referenced by EPD_display_hardware_init().

void EPD_flash_cs_high

(

void

)

Set Flash_CS pin to high.

not used at present 

set_gpio_high(Flash_CS_PIN);

Referenced by EPD_initialize_gpio(), and epd_spi_attach().

void EPD_flash_cs_low

(

void

)

Set Flash_CS pin to low.

not used at present 

set_gpio_low(Flash_CS_PIN);

void EPD_initialize_gpio

(

void

)

Configure GPIO.

not used at present 

config_gpio_dir_o( Flash_CS_PIN); config_gpio_dir_i( Temper_PIN);

References config_gpio_dir_i, config_gpio_dir_o, EPD_border_low(), and EPD_flash_cs_high().

Referenced by EPD_display_hardware_init().

bool EPD_IsBusy

(

void

)

Get BUSY pin status.

References input_get.

void EPD_pwm_high

(

void

)

Set PWM pin to high.

References set_gpio_high.

void EPD_pwm_low

(

void

)

Set PWM pin to low.

References set_gpio_low.

Referenced by EPD_display_hardware_init().

void EPD_rst_high

(

void

)

Set /RESET pin to high.

References set_gpio_high.

void EPD_rst_low

(

void

)

Set /RESET pin to low.

References set_gpio_low.

Referenced by EPD_display_hardware_init().

void EPD_Vcc_turn_off

(

void

)

Set Vcc (PANEL_ON) to low.

References set_gpio_low.

Referenced by EPD_display_hardware_init().

void EPD_Vcc_turn_on

(

void

)

Set Vcc (PANEL_ON) to high.

References set_gpio_high.

void SPICLK_low

(

void

)

Set Clock of SPI to low.

References set_gpio_low.

void SPIMISO_low

(

void

)

Set MISO pin of SPI to low.

References config_gpio_dir_o, and set_gpio_low.

void SPIMOSI_low

(

void

)

Set MOSI pin of SPI to low.

References set_gpio_low.