Diff: EPD_hardware_gpio.cpp

Revision:

0:9297e33f50cf

diff -r 000000000000 -r 9297e33f50cf EPD_hardware_gpio.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/EPD_hardware_gpio.cpp	Tue Jul 22 11:59:06 2014 +0000
@@ -0,0 +1,238 @@
+/**
+* \file
+*
+* \brief The functions of EPD GPIO
+*
+* Copyright (c) 2012-2014 Pervasive Displays Inc. All rights reserved.
+*
+*  Authors: Pervasive Displays Inc.
+*
+*  Redistribution and use in source and binary forms, with or without
+*  modification, are permitted provided that the following conditions
+*  are met:
+*
+*  1. Redistributions of source code must retain the above copyright
+*     notice, this list of conditions and the following disclaimer.
+*  2. Redistributions in binary form must reproduce the above copyright
+*     notice, this list of conditions and the following disclaimer in
+*     the documentation and/or other materials provided with the
+*     distribution.
+*
+*  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+*  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+*  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+*  A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+*  OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+*  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+*  LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+*  DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+*  THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+*  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+*  OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+
+#include "EPD_hardware_gpio.h"
+
+#include "mbed.h"
+
+extern PinName SEC06;
+extern PinName SEC07;
+extern PinName SEC08;
+extern PinName SEC11;
+extern PinName SEC12;
+extern PinName SEC13;
+extern PinName SEC14;
+
+static DigitalOut* pinEpdCS = NULL;
+static DigitalIn*  pinEpdBusy = NULL;
+static DigitalOut* pinEpdBorder = NULL;
+static DigitalOut* pinFlashCS = NULL;
+static DigitalOut* pinEpdReset = NULL;
+static DigitalOut* pinEpdPanelOn = NULL;
+static DigitalOut* pinEpdDischarge = NULL;
+
+/**
+* \brief Set EPD_CS pin to high
+*/
+void EPD_cs_high (void) {
+	//set_gpio_high(EPD_CS_PORT,EPD_CS_PIN);
+    *pinEpdCS = 1;
+}
+
+/**
+* \brief Set EPD_CS pin to low
+*/
+void EPD_cs_low (void) {
+//	set_gpio_low(EPD_CS_PORT,EPD_CS_PIN);
+    *pinEpdCS = 0;
+}
+
+/**
+* \brief Set Flash_CS pin to high
+*/
+void EPD_flash_cs_high(void) {
+//	set_gpio_high(Flash_CS_PORT,Flash_CS_PIN);
+    *pinFlashCS = 1;
+}
+
+/**
+* \brief Set Flash_CS pin to low
+*/
+void EPD_flash_cs_low (void) {
+//	set_gpio_low(Flash_CS_PORT,Flash_CS_PIN);
+    *pinFlashCS = 0;
+}
+
+/**
+* \brief Set /RESET pin to high
+*/
+void EPD_rst_high (void) {
+//	set_gpio_high(EPD_RST_PORT,EPD_RST_PIN);
+    *pinEpdReset = 1;
+}
+
+/**
+* \brief Set /RESET pin to low
+*/
+void EPD_rst_low (void) {
+//	set_gpio_low(EPD_RST_PORT,EPD_RST_PIN);
+    *pinEpdReset = 0;
+}
+
+/**
+* \brief Set DISCHARGE pin to high
+*/
+void EPD_discharge_high (void) {
+//	set_gpio_high(EPD_DISCHARGE_PORT,EPD_DISCHARGE_PIN);
+    *pinEpdDischarge = 1;
+}
+
+/**
+* \brief Set DISCHARGE pin to low
+*/
+void EPD_discharge_low (void) {
+//	set_gpio_low(EPD_DISCHARGE_PORT,EPD_DISCHARGE_PIN);
+    *pinEpdDischarge = 0;
+}
+
+/**
+* \brief Set Vcc (PANEL_ON) to high
+*/
+void EPD_Vcc_turn_on (void) {
+//	set_gpio_high(EPD_PANELON_PORT,EPD_PANELON_PIN);
+    *pinEpdPanelOn = 1;
+}
+
+/**
+* \brief Set Vcc (PANEL_ON) to low
+*/
+void EPD_Vcc_turn_off (void) {
+//	set_gpio_low(EPD_PANELON_PORT,EPD_PANELON_PIN);
+    *pinEpdPanelOn = 0;
+}
+
+/**
+* \brief Set BORDER_CONTROL pin to high
+*/
+void EPD_border_high(void) {
+//	set_gpio_high(EPD_PANELON_PORT,EPD_BORDER_PIN);
+    *pinEpdBorder = 1;
+}
+
+/**
+* \brief Set BORDER_CONTROL pin to low
+*/
+void EPD_border_low (void) {
+//	set_gpio_low(EPD_PANELON_PORT,EPD_BORDER_PIN);
+    *pinEpdBorder = 0;
+}
+
+/**
+* \brief Set PWM pin to high
+*/
+void EPD_pwm_high(void) {
+//	set_gpio_high(PWM_PORT,PWM_PIN);
+    
+    // Not in use
+}
+
+/**
+* \brief Set PWM pin to low
+*/
+void EPD_pwm_low (void) {
+//    config_gpio_dir_o(SPIMISO_PORT,SPIMISO_PIN);
+//	set_gpio_low(PWM_PORT,PWM_PIN);
+    
+    // Not in use
+}
+
+/**
+* \brief Set MISO pin of SPI to low
+*/
+void SPIMISO_low(void) {
+//	config_gpio_dir_o(SPIMISO_PORT,SPIMISO_PIN);
+//	set_gpio_low(SPIMISO_PORT,SPIMISO_PIN);
+    
+    // Not in use
+}
+
+/**
+* \brief Set MOSI pin of SPI to low
+*/
+void SPIMOSI_low(void) {
+//	set_gpio_low(SPIMOSI_PORT,SPIMOSI_PIN);
+    
+    // Not in use
+}
+
+/**
+* \brief Set Clock of SPI to low
+*/
+void SPICLK_low(void) {
+//	set_gpio_low(SPICLK_PORT,SPICLK_PIN);
+    
+    // Not in use
+}
+
+/**
+* \brief Get BUSY pin status
+*/
+bool EPD_IsBusy(void) {
+//	return (bool)input_get(EPD_BUSY_PORT,EPD_BUSY_PIN);
+    return pinEpdBusy->read();
+}
+
+/**
+* \brief Configure GPIO
+*/
+void EPD_initialize_gpio(void) {
+
+	pinEpdCS = new DigitalOut(SEC06);        // SEC-06 Requires J14 9-10 to NOT be connected
+	pinEpdBusy = new DigitalIn(SEC07);       // SEC-07
+	pinEpdBorder = new DigitalOut(SEC08);    // SEC-08
+	pinFlashCS = new DigitalOut(SEC11);      // SEC-11
+	pinEpdReset = new DigitalOut(SEC12);     // SEC-12
+	pinEpdPanelOn = new DigitalOut(SEC13);   // SEC-13
+	pinEpdDischarge = new DigitalOut(SEC14); // SEC-14
+
+//	config_gpio_dir_i( EPD_BUSY_PORT,EPD_BUSY_PIN);
+//    //Set Xin to GPIO
+//	BITCLR (CS_PORT_SEL, EPD_CS_PIN);
+//	BITCLR (CS_PORT_SEL2,EPD_CS_PIN);
+//    //Set Xout to GPIO
+//    BITCLR (Flash_CS_PORT_SEL, Flash_CS_PIN);
+//	BITCLR (Flash_CS_PORT_SEL2,Flash_CS_PIN);
+//    
+//	config_gpio_dir_o( EPD_CS_PORT,EPD_CS_PIN);
+//	config_gpio_dir_o( EPD_RST_PORT,EPD_RST_PIN);
+//	config_gpio_dir_o( EPD_PANELON_PORT,EPD_PANELON_PIN);
+//	config_gpio_dir_o( EPD_DISCHARGE_PORT,EPD_DISCHARGE_PIN);
+//	config_gpio_dir_o( EPD_BORDER_PORT,EPD_BORDER_PIN);
+//	config_gpio_dir_o( Flash_CS_PORT,Flash_CS_PIN);
+//    config_gpio_dir_o( PWM_PORT,PWM_PIN);
+//	config_gpio_dir_i( Temper_PORT,Temper_PIN);
+	EPD_flash_cs_high();
+	EPD_border_low();
+}
+