libEinkShield_mbedcli_ARM_NUCLEO_F446RE

Fork of libEinkShield_mbedcli_ARM_NUCLEO_F446RE by kevin tseng

The actual display component with e-paper and Mbed board

/media/uploads/jauming/imag1222_1k_2.png

Key Features

  • SPI interface to EPD display
  • Gray level support(Black, White and Red)
  • Flash memory - 128MB
  • One GPIO connected to LED
  • Four push buttons for user feedback

Peripherals/IOs

/media/uploads/jauming/2a_peripherals_ios_mbed-driving-board-function-500_switches.jpg

Pinout

/media/uploads/jauming/mbed_pinout_v05.png

Typical connection

  • Compatible with Arduino Headers /media/uploads/jauming/3_simple_procedures_how_to_connect_the_component_to_the_main_board_compatible_with_arduino_headers_typical_connection.jpg

Datasheet

Program and Library

Import programEinkShield_HelloWorld_ARM_KL25Z

EInkShield_HelloWorld

Import librarylibEinkShield_mbedcli_ARM_KL25Z

libEinkShield_mbedcli_ARM_KL25Z

Import librarylibEinkShield_mbedcli_ARM_K22F

libEinkShield_mbedcli_ARM_K22F

Import librarylibEinkShield_mbedcli_ARM_NUCLEO_F446RE

libEinkShield_mbedcli_ARM_NUCLEO_F446RE

Import library

Public Member Functions

  EinkShield (EPD_driver driver, PinName bsi_pin, PinName rstn_pin, PinName busyn_pin, PinName csb_pin, PinName dc_pin, PinName scl_pin, PinName sda_pin)
  Constructor to set pin assignment and driver.
void  EPD_Init (void)
  Driver initial.
void  EPD_Display_KWR (unsigned char const *img_kw, unsigned char const *img_r)
  Display image with color: black, white and red.
void  EPD_Display_Red (void)
  Display full screen red.
Committer:
jauming
Date:
Mon Aug 20 05:59:01 2018 +0000
Revision:
0:4cbbe20392ef
libEinkShield_mbedcli_ARM_NUCLEO_F446RE

Who changed what in which revision?

UserRevisionLine numberNew contents of line
jauming 0:4cbbe20392ef 1 /*
jauming 0:4cbbe20392ef 2 Copyright (c) 2017-2018, E Ink Holdings Inc., All Rights Reserved
jauming 0:4cbbe20392ef 3 SPDX-License-Identifier: LicenseRef-PBL
jauming 0:4cbbe20392ef 4
jauming 0:4cbbe20392ef 5 This file and the related binary are licensed under the Permissive Binary
jauming 0:4cbbe20392ef 6 License, Version 1.0 (the "License"); you may not use these files except in
jauming 0:4cbbe20392ef 7 compliance with the License.
jauming 0:4cbbe20392ef 8
jauming 0:4cbbe20392ef 9 You may obtain a copy of the License here:
jauming 0:4cbbe20392ef 10 LICENSE-permissive-binary-license-1.0.txt and at
jauming 0:4cbbe20392ef 11 https://www.mbed.com/licenses/PBL-1.0
jauming 0:4cbbe20392ef 12
jauming 0:4cbbe20392ef 13 See the License for the specific language governing permissions and limitations
jauming 0:4cbbe20392ef 14 under the License.
jauming 0:4cbbe20392ef 15 */
jauming 0:4cbbe20392ef 16 /**
jauming 0:4cbbe20392ef 17 * \mainpage EinkShield usage sample code
jauming 0:4cbbe20392ef 18 * \code
jauming 0:4cbbe20392ef 19 * #include "mbed.h"
jauming 0:4cbbe20392ef 20 * #include "EinkShield.h"
jauming 0:4cbbe20392ef 21 * #include "image3.h"
jauming 0:4cbbe20392ef 22 * int main() {
jauming 0:4cbbe20392ef 23 * EinkShield epd(EL029TR1,
jauming 0:4cbbe20392ef 24 * D7,
jauming 0:4cbbe20392ef 25 * D6,
jauming 0:4cbbe20392ef 26 * D5,
jauming 0:4cbbe20392ef 27 * D10,
jauming 0:4cbbe20392ef 28 * D2,
jauming 0:4cbbe20392ef 29 * D13,
jauming 0:4cbbe20392ef 30 * D11);
jauming 0:4cbbe20392ef 31 * epd.EPD_Init();
jauming 0:4cbbe20392ef 32 * epd.EPD_Display_Red();
jauming 0:4cbbe20392ef 33 * wait_ms(2000);
jauming 0:4cbbe20392ef 34 * while(1) {
jauming 0:4cbbe20392ef 35 * epd.EPD_Display_KWR(sale2_KW, sale2_R);
jauming 0:4cbbe20392ef 36 * wait_ms(2000);
jauming 0:4cbbe20392ef 37 * }
jauming 0:4cbbe20392ef 38 * }
jauming 0:4cbbe20392ef 39 * \endcode
jauming 0:4cbbe20392ef 40 */
jauming 0:4cbbe20392ef 41 #ifndef EINK_SHIELD_H
jauming 0:4cbbe20392ef 42 #define EINK_SHIELD_H
jauming 0:4cbbe20392ef 43
jauming 0:4cbbe20392ef 44 typedef enum {
jauming 0:4cbbe20392ef 45 EL029TR1,
jauming 0:4cbbe20392ef 46 } EPD_driver;
jauming 0:4cbbe20392ef 47
jauming 0:4cbbe20392ef 48
jauming 0:4cbbe20392ef 49 /** @class EinkShield EinkShield.h */
jauming 0:4cbbe20392ef 50 /** class EinkShield for mbed-os */
jauming 0:4cbbe20392ef 51 class EinkShield {
jauming 0:4cbbe20392ef 52 private:
jauming 0:4cbbe20392ef 53 DigitalOut bsi ;//(D7);
jauming 0:4cbbe20392ef 54 DigitalOut rstn ;//(D6);
jauming 0:4cbbe20392ef 55 DigitalIn busyn;//(D5);
jauming 0:4cbbe20392ef 56 DigitalOut csb ;//(D10);
jauming 0:4cbbe20392ef 57 DigitalOut dc ;//(D2);
jauming 0:4cbbe20392ef 58 DigitalOut scl ;//(D13);
jauming 0:4cbbe20392ef 59 DigitalOut sda ;//(D11);
jauming 0:4cbbe20392ef 60
jauming 0:4cbbe20392ef 61 EPD_driver driver;
jauming 0:4cbbe20392ef 62
jauming 0:4cbbe20392ef 63 public:
jauming 0:4cbbe20392ef 64 /**
jauming 0:4cbbe20392ef 65 * Constructor to set pin assignment and driver
jauming 0:4cbbe20392ef 66 * @param driver select different size display driver for EinkShield, for example: EL029TR1
jauming 0:4cbbe20392ef 67 * @param bsi_pin bus selection pin
jauming 0:4cbbe20392ef 68 * @param rstn_pin reset pin, L: driver will reset when low
jauming 0:4cbbe20392ef 69 * @param busyn_pin busy pin, L: driver is busy
jauming 0:4cbbe20392ef 70 * @param csb_pin chip-select pin
jauming 0:4cbbe20392ef 71 * @param dc_pin data/command pin
jauming 0:4cbbe20392ef 72 * @param scl_pin serial clock pin
jauming 0:4cbbe20392ef 73 * @param sda_pin serial data pin
jauming 0:4cbbe20392ef 74 * @return none
jauming 0:4cbbe20392ef 75 */
jauming 0:4cbbe20392ef 76 EinkShield(EPD_driver driver,
jauming 0:4cbbe20392ef 77 PinName bsi_pin,
jauming 0:4cbbe20392ef 78 PinName rstn_pin,
jauming 0:4cbbe20392ef 79 PinName busyn_pin,
jauming 0:4cbbe20392ef 80 PinName csb_pin,
jauming 0:4cbbe20392ef 81 PinName dc_pin,
jauming 0:4cbbe20392ef 82 PinName scl_pin,
jauming 0:4cbbe20392ef 83 PinName sda_pin);
jauming 0:4cbbe20392ef 84 /**
jauming 0:4cbbe20392ef 85 * Driver initial
jauming 0:4cbbe20392ef 86 * @param none
jauming 0:4cbbe20392ef 87 * @return none
jauming 0:4cbbe20392ef 88 */
jauming 0:4cbbe20392ef 89 void EPD_Init(void);
jauming 0:4cbbe20392ef 90 /**
jauming 0:4cbbe20392ef 91 * Display image with color: black, white and red.
jauming 0:4cbbe20392ef 92 * <pre>
jauming 0:4cbbe20392ef 93 * Resolution of EL029TR1 is 128x296.
jauming 0:4cbbe20392ef 94 * Pixel data alignment is from left to right and from top to bottom.
jauming 0:4cbbe20392ef 95 *
jauming 0:4cbbe20392ef 96 * <STRONG>img_kw</STRONG> point to black and white raw pixel data of image,
jauming 0:4cbbe20392ef 97 * 1 bit per pixel, 0 = black, 1 = white,
jauming 0:4cbbe20392ef 98 * Total size of img_kw is 128x296/8 = 4736 bytes for EL029TR1.
jauming 0:4cbbe20392ef 99 *
jauming 0:4cbbe20392ef 100 * <STRONG>img_r</STRONG> point to red raw pixel data of image,
jauming 0:4cbbe20392ef 101 * 1 bit per pixel, 0 = red, 1 = reserved,
jauming 0:4cbbe20392ef 102 * Total size of img_r is 128x296/8 = 4736 bytes for EL029TR1.
jauming 0:4cbbe20392ef 103 * </pre>
jauming 0:4cbbe20392ef 104 *
jauming 0:4cbbe20392ef 105 * @param img_kw <pre>point to black and white raw pixel data of image,
jauming 0:4cbbe20392ef 106 * 1 bit per pixel, 0 = black, 1 = white,</pre>
jauming 0:4cbbe20392ef 107 *
jauming 0:4cbbe20392ef 108 * @param img_r <pre>point to red raw pixel data of image,
jauming 0:4cbbe20392ef 109 * 1 bit per pixel, 0 = red, 1 = reserved,</pre>
jauming 0:4cbbe20392ef 110 *
jauming 0:4cbbe20392ef 111 *
jauming 0:4cbbe20392ef 112 * @return none
jauming 0:4cbbe20392ef 113 */
jauming 0:4cbbe20392ef 114 void EPD_Display_KWR(unsigned char const *img_kw, unsigned char const *img_r);
jauming 0:4cbbe20392ef 115 /**
jauming 0:4cbbe20392ef 116 * Display full screen red
jauming 0:4cbbe20392ef 117 *
jauming 0:4cbbe20392ef 118 * @param none
jauming 0:4cbbe20392ef 119 * @return none
jauming 0:4cbbe20392ef 120 */
jauming 0:4cbbe20392ef 121 void EPD_Display_Red(void);
jauming 0:4cbbe20392ef 122 };
jauming 0:4cbbe20392ef 123
jauming 0:4cbbe20392ef 124
jauming 0:4cbbe20392ef 125
jauming 0:4cbbe20392ef 126 #endif