EPD_hardware_gpio.c File Reference

The functions of EPD GPIO.

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

#include "EPD_hardware_gpio.h"
#include "conf_EPD.h"

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...

void EPD_border_high

(

void

)

Set BORDER_CONTROL pin to high.

References EPD_BORDER_PIN, and set_gpio_high.

Referenced by EPD_power_off(), and EPD_power_on().

void EPD_border_low

(

void

)

Set BORDER_CONTROL pin to low.

References EPD_BORDER_PIN, and set_gpio_low.

Referenced by EPD_display_hardware_init(), EPD_init(), EPD_initialize_gpio(), and EPD_power_off().

void EPD_cs_high

(

void

)

Set EPD_CS pin to high.

References EPD_SPI_CS_PIN, and set_gpio_high.

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

void EPD_cs_low

(

void

)

Set EPD_CS pin to low.

References EPD_SPI_CS_PIN, and set_gpio_low.

Referenced by EPD_display_hardware_init(), EPD_init(), EPD_power_off(), EPD_power_on(), epd_spi_send(), and epd_spi_send_byte().

void EPD_discharge_high

(

void

)

Set DISCHARGE pin to high.

References EPD_DISCHARGE_PIN, and set_gpio_high.

Referenced by EPD_power_off().

void EPD_discharge_low

(

void

)

Set DISCHARGE pin to low.

References EPD_DISCHARGE_PIN, and set_gpio_low.

Referenced by EPD_display_hardware_init(), EPD_init(), EPD_power_off(), and EPD_power_on().

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(), EPD_BORDER_PIN, EPD_BUSY_PIN, EPD_DISCHARGE_PIN, EPD_flash_cs_high(), EPD_PANELON_PIN, EPD_RST_PIN, and EPD_SPI_CS_PIN.

Referenced by EPD_display_hardware_init().

bool EPD_IsBusy

(

void

)

Get BUSY pin status.

References EPD_BUSY_PIN, and input_get.

Referenced by EPD_initialize_driver().

void EPD_pwm_high

(

void

)

Set PWM pin to high.

References EPD_PWM_PIN, and set_gpio_high.

void EPD_pwm_low

(

void

)

Set PWM pin to low.

References EPD_PWM_PIN, and set_gpio_low.

Referenced by EPD_display_hardware_init(), and EPD_init().

void EPD_rst_high

(

void

)

Set /RESET pin to high.

References EPD_RST_PIN, and set_gpio_high.

Referenced by EPD_power_on().

void EPD_rst_low

(

void

)

Set /RESET pin to low.

References EPD_RST_PIN, and set_gpio_low.

Referenced by EPD_display_hardware_init(), EPD_init(), EPD_power_off(), and EPD_power_on().

void EPD_Vcc_turn_off

(

void

)

Set Vcc (PANEL_ON) to low.

References EPD_PANELON_PIN, and set_gpio_low.

Referenced by EPD_display_hardware_init(), and EPD_power_off().

void EPD_Vcc_turn_on

(

void

)

Set Vcc (PANEL_ON) to high.

References EPD_PANELON_PIN, and set_gpio_high.

Referenced by EPD_power_on().

void SPICLK_low

(

void

)

Set Clock of SPI to low.

References EPD_SPI_CLK_PIN, and set_gpio_low.

void SPIMISO_low

(

void

)

Set MISO pin of SPI to low.

References config_gpio_dir_o, EPD_SPI_MISO_PIN, and set_gpio_low.

void SPIMOSI_low

(

void

)

Set MOSI pin of SPI to low.

References EPD_SPI_MOSI_PIN, and set_gpio_low.