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Dependencies:   LM75B

Fork of EM027BS013 by EmbeddedArtists AB

EPD_controller.cpp@1:3700ccf919d8, 2014-12-09 (annotated)

Committer:
ShalajLawania
Date:
Tue Dec 09 10:26:31 2014 +0000
Revision:
1:3700ccf919d8
Parent:
0:9297e33f50cf 
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embeddedartists 0:9297e33f50cf 1 /**
embeddedartists 0:9297e33f50cf 2 * \file
embeddedartists 0:9297e33f50cf 3 *
embeddedartists 0:9297e33f50cf 4 * \brief The interface for external application wants to update EPD
embeddedartists 0:9297e33f50cf 5 *
embeddedartists 0:9297e33f50cf 6 * Copyright (c) 2012-2014 Pervasive Displays Inc. All rights reserved.
embeddedartists 0:9297e33f50cf 7 *
embeddedartists 0:9297e33f50cf 8 * Authors: Pervasive Displays Inc.
embeddedartists 0:9297e33f50cf 9 *
embeddedartists 0:9297e33f50cf 10 * Redistribution and use in source and binary forms, with or without
embeddedartists 0:9297e33f50cf 11 * modification, are permitted provided that the following conditions
embeddedartists 0:9297e33f50cf 12 * are met:
embeddedartists 0:9297e33f50cf 13 *
embeddedartists 0:9297e33f50cf 14 * 1. Redistributions of source code must retain the above copyright
embeddedartists 0:9297e33f50cf 15 * notice, this list of conditions and the following disclaimer.
embeddedartists 0:9297e33f50cf 16 * 2. Redistributions in binary form must reproduce the above copyright
embeddedartists 0:9297e33f50cf 17 * notice, this list of conditions and the following disclaimer in
embeddedartists 0:9297e33f50cf 18 * the documentation and/or other materials provided with the
embeddedartists 0:9297e33f50cf 19 * distribution.
embeddedartists 0:9297e33f50cf 20 *
embeddedartists 0:9297e33f50cf 21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
embeddedartists 0:9297e33f50cf 22 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
embeddedartists 0:9297e33f50cf 23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
embeddedartists 0:9297e33f50cf 24 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
embeddedartists 0:9297e33f50cf 25 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
embeddedartists 0:9297e33f50cf 26 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
embeddedartists 0:9297e33f50cf 27 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
embeddedartists 0:9297e33f50cf 28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
embeddedartists 0:9297e33f50cf 29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
embeddedartists 0:9297e33f50cf 30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
embeddedartists 0:9297e33f50cf 31 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
embeddedartists 0:9297e33f50cf 32 */
embeddedartists 0:9297e33f50cf 33
embeddedartists 0:9297e33f50cf 34 #include "EPD_controller.h"
embeddedartists 0:9297e33f50cf 35
embeddedartists 0:9297e33f50cf 36 /**
embeddedartists 0:9297e33f50cf 37 * \brief Initialize the EPD hardware setting
embeddedartists 0:9297e33f50cf 38 */
embeddedartists 0:9297e33f50cf 39 void EPD_display_init(void) {
embeddedartists 0:9297e33f50cf 40 EPD_init();
embeddedartists 0:9297e33f50cf 41 }
embeddedartists 0:9297e33f50cf 42
embeddedartists 0:9297e33f50cf 43
embeddedartists 0:9297e33f50cf 44
embeddedartists 0:9297e33f50cf 45
embeddedartists 0:9297e33f50cf 46 /**
embeddedartists 0:9297e33f50cf 47 * \brief Show image from the pointer of memory array
embeddedartists 0:9297e33f50cf 48 *
embeddedartists 0:9297e33f50cf 49 * \param EPD_type_index The defined EPD size
embeddedartists 0:9297e33f50cf 50 * \param previous_image_ptr The pointer of memory that stores previous image
embeddedartists 0:9297e33f50cf 51 * \param new_image_ptr The pointer of memory that stores new image
embeddedartists 0:9297e33f50cf 52 */
embeddedartists 0:9297e33f50cf 53 void EPD_display_from_pointer(uint8_t EPD_type_index,uint8_t *previous_image_ptr,
embeddedartists 0:9297e33f50cf 54 uint8_t *new_image_ptr) {
embeddedartists 0:9297e33f50cf 55 /* Initialize EPD hardware */
embeddedartists 0:9297e33f50cf 56 EPD_init();
embeddedartists 0:9297e33f50cf 57
embeddedartists 0:9297e33f50cf 58 /* Power on COG Driver */
embeddedartists 0:9297e33f50cf 59 EPD_power_on();
embeddedartists 0:9297e33f50cf 60
embeddedartists 0:9297e33f50cf 61 /* Initialize COG Driver */
embeddedartists 0:9297e33f50cf 62 EPD_initialize_driver(EPD_type_index);
embeddedartists 0:9297e33f50cf 63
embeddedartists 0:9297e33f50cf 64 /* Display image data on EPD from image array */
embeddedartists 0:9297e33f50cf 65 EPD_display_from_array_prt(EPD_type_index,previous_image_ptr,new_image_ptr);
embeddedartists 0:9297e33f50cf 66
embeddedartists 0:9297e33f50cf 67 /* Power off COG Driver */
embeddedartists 0:9297e33f50cf 68 EPD_power_off (EPD_type_index);
embeddedartists 0:9297e33f50cf 69 }
embeddedartists 0:9297e33f50cf 70
embeddedartists 0:9297e33f50cf 71 /**
embeddedartists 0:9297e33f50cf 72 * \brief Show image from Flash memory
embeddedartists 0:9297e33f50cf 73 *
embeddedartists 0:9297e33f50cf 74 * \param EPD_type_index The defined EPD size
embeddedartists 0:9297e33f50cf 75 * \param previous_image_address The address of memory that stores previous image
embeddedartists 0:9297e33f50cf 76 * \param new_image_address The address of memory that stores new image
embeddedartists 0:9297e33f50cf 77 * \param On_EPD_read_flash Developer needs to create an external function to read flash
embeddedartists 0:9297e33f50cf 78 */
embeddedartists 0:9297e33f50cf 79 void EPD_display_from_flash(uint8_t EPD_type_index,long previous_image_address,
embeddedartists 0:9297e33f50cf 80 long new_image_address,EPD_read_flash_handler On_EPD_read_flash) {
embeddedartists 0:9297e33f50cf 81 /* Initialize EPD hardware */
embeddedartists 0:9297e33f50cf 82 EPD_init();
embeddedartists 0:9297e33f50cf 83
embeddedartists 0:9297e33f50cf 84 /* Power on COG Driver */
embeddedartists 0:9297e33f50cf 85 EPD_power_on();
embeddedartists 0:9297e33f50cf 86
embeddedartists 0:9297e33f50cf 87 /* Initialize COG Driver */
embeddedartists 0:9297e33f50cf 88 EPD_initialize_driver(EPD_type_index);
embeddedartists 0:9297e33f50cf 89
embeddedartists 0:9297e33f50cf 90 /* Display image data on EPD from Flash memory */
embeddedartists 0:9297e33f50cf 91 EPD_display_from_flash_prt(EPD_type_index,previous_image_address,
embeddedartists 0:9297e33f50cf 92 new_image_address,On_EPD_read_flash);
embeddedartists 0:9297e33f50cf 93
embeddedartists 0:9297e33f50cf 94 /* Power off COG Driver */
embeddedartists 0:9297e33f50cf 95 EPD_power_off (EPD_type_index);
embeddedartists 0:9297e33f50cf 96 }
embeddedartists 0:9297e33f50cf 97 /**
embeddedartists 0:9297e33f50cf 98 * \brief Initialize the EPD hardware setting and COG driver
embeddedartists 0:9297e33f50cf 99 *
embeddedartists 0:9297e33f50cf 100 * \param EPD_type_index The defined EPD size
embeddedartists 0:9297e33f50cf 101 */
embeddedartists 0:9297e33f50cf 102 void EPD_power_init(uint8_t EPD_type_index) {
embeddedartists 0:9297e33f50cf 103 EPD_init();
embeddedartists 0:9297e33f50cf 104 EPD_power_on ();
embeddedartists 0:9297e33f50cf 105 EPD_initialize_driver (EPD_type_index);
embeddedartists 0:9297e33f50cf 106 }
embeddedartists 0:9297e33f50cf 107
embeddedartists 0:9297e33f50cf 108 /**
embeddedartists 0:9297e33f50cf 109 * \brief Show image from Flash memory when SPI is common used with COG and Flash
embeddedartists 0:9297e33f50cf 110 *
embeddedartists 0:9297e33f50cf 111 * \note
embeddedartists 0:9297e33f50cf 112 * - This function must work with EPD_power_init when SPI is common used with
embeddedartists 0:9297e33f50cf 113 * COG and Flash, or the charge pump doesn't work correctly.
embeddedartists 0:9297e33f50cf 114 * - EPD_power_init -> write data to flash (switch SPI) -> EPD_display_from_flash_Ex
embeddedartists 0:9297e33f50cf 115 *
embeddedartists 0:9297e33f50cf 116 * \param EPD_type_index The defined EPD size
embeddedartists 0:9297e33f50cf 117 * \param previous_image_address The address of memory that stores previous image
embeddedartists 0:9297e33f50cf 118 * \param new_image_address The address of memory that stores new image
embeddedartists 0:9297e33f50cf 119 * \param On_EPD_read_flash Developer needs to create an external function to read flash
embeddedartists 0:9297e33f50cf 120 */
embeddedartists 0:9297e33f50cf 121 void EPD_display_from_flash_Ex(uint8_t EPD_type_index,long previous_image_address,
embeddedartists 0:9297e33f50cf 122 long new_image_address,EPD_read_flash_handler On_EPD_read_flash) {
embeddedartists 0:9297e33f50cf 123
embeddedartists 0:9297e33f50cf 124 /* Display image data on EPD from Flash memory */
embeddedartists 0:9297e33f50cf 125 EPD_display_from_flash_prt(EPD_type_index,previous_image_address,
embeddedartists 0:9297e33f50cf 126 new_image_address,On_EPD_read_flash);
embeddedartists 0:9297e33f50cf 127
embeddedartists 0:9297e33f50cf 128 /* Power off COG Driver */
embeddedartists 0:9297e33f50cf 129 EPD_power_off (EPD_type_index);
embeddedartists 0:9297e33f50cf 130 }
embeddedartists 0:9297e33f50cf 131
embeddedartists 0:9297e33f50cf 132
embeddedartists 0:9297e33f50cf 133
embeddedartists 0:9297e33f50cf 134