Tijl Goens
/
EpaperdisplayII
tempcommit 13/05
epd4in2b.cpp@0:73f2160fef5a, 2019-05-13 (annotated)
- Committer:
- Ruben_Heintjens
- Date:
- Mon May 13 09:06:23 2019 +0000
- Revision:
- 0:73f2160fef5a
voor tijl
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
Ruben_Heintjens | 0:73f2160fef5a | 1 | /** |
Ruben_Heintjens | 0:73f2160fef5a | 2 | * @filename : epd4in2b.cpp |
Ruben_Heintjens | 0:73f2160fef5a | 3 | * @brief : Implements for Dual-color e-paper library |
Ruben_Heintjens | 0:73f2160fef5a | 4 | * @author : Yehui from Waveshare |
Ruben_Heintjens | 0:73f2160fef5a | 5 | * |
Ruben_Heintjens | 0:73f2160fef5a | 6 | * Copyright (C) Waveshare August 10 2017 |
Ruben_Heintjens | 0:73f2160fef5a | 7 | * |
Ruben_Heintjens | 0:73f2160fef5a | 8 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
Ruben_Heintjens | 0:73f2160fef5a | 9 | * of this software and associated documnetation files (the "Software"), to deal |
Ruben_Heintjens | 0:73f2160fef5a | 10 | * in the Software without restriction, including without limitation the rights |
Ruben_Heintjens | 0:73f2160fef5a | 11 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
Ruben_Heintjens | 0:73f2160fef5a | 12 | * copies of the Software, and to permit persons to whom the Software is |
Ruben_Heintjens | 0:73f2160fef5a | 13 | * furished to do so, subject to the following conditions: |
Ruben_Heintjens | 0:73f2160fef5a | 14 | * |
Ruben_Heintjens | 0:73f2160fef5a | 15 | * The above copyright notice and this permission notice shall be included in |
Ruben_Heintjens | 0:73f2160fef5a | 16 | * all copies or substantial portions of the Software. |
Ruben_Heintjens | 0:73f2160fef5a | 17 | * |
Ruben_Heintjens | 0:73f2160fef5a | 18 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
Ruben_Heintjens | 0:73f2160fef5a | 19 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
Ruben_Heintjens | 0:73f2160fef5a | 20 | * FITNESS OR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
Ruben_Heintjens | 0:73f2160fef5a | 21 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
Ruben_Heintjens | 0:73f2160fef5a | 22 | * LIABILITY WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
Ruben_Heintjens | 0:73f2160fef5a | 23 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
Ruben_Heintjens | 0:73f2160fef5a | 24 | * THE SOFTWARE. |
Ruben_Heintjens | 0:73f2160fef5a | 25 | */ |
Ruben_Heintjens | 0:73f2160fef5a | 26 | |
Ruben_Heintjens | 0:73f2160fef5a | 27 | #include <stdlib.h> |
Ruben_Heintjens | 0:73f2160fef5a | 28 | #include <epd4in2b.h> |
Ruben_Heintjens | 0:73f2160fef5a | 29 | |
Ruben_Heintjens | 0:73f2160fef5a | 30 | #include "mbed.h" |
Ruben_Heintjens | 0:73f2160fef5a | 31 | #include "SPI.h" |
Ruben_Heintjens | 0:73f2160fef5a | 32 | |
Ruben_Heintjens | 0:73f2160fef5a | 33 | |
Ruben_Heintjens | 0:73f2160fef5a | 34 | |
Ruben_Heintjens | 0:73f2160fef5a | 35 | Epd::~Epd() { |
Ruben_Heintjens | 0:73f2160fef5a | 36 | }; |
Ruben_Heintjens | 0:73f2160fef5a | 37 | |
Ruben_Heintjens | 0:73f2160fef5a | 38 | //,dc_pin(D5),busy_pin(D3),reset_pin(A2),_cs_pin(D9) |
Ruben_Heintjens | 0:73f2160fef5a | 39 | Epd::Epd():dc_pin(D5),busy_pin(D3),reset_pin(A2) { |
Ruben_Heintjens | 0:73f2160fef5a | 40 | /* |
Ruben_Heintjens | 0:73f2160fef5a | 41 | reset_pin = RST_PIN; |
Ruben_Heintjens | 0:73f2160fef5a | 42 | dc_pin = DC_PIN; |
Ruben_Heintjens | 0:73f2160fef5a | 43 | cs_pin = CS_PIN; |
Ruben_Heintjens | 0:73f2160fef5a | 44 | busy_pin = BUSY_PIN; |
Ruben_Heintjens | 0:73f2160fef5a | 45 | */ |
Ruben_Heintjens | 0:73f2160fef5a | 46 | width = EPD_WIDTH; |
Ruben_Heintjens | 0:73f2160fef5a | 47 | height = EPD_HEIGHT; |
Ruben_Heintjens | 0:73f2160fef5a | 48 | }; |
Ruben_Heintjens | 0:73f2160fef5a | 49 | |
Ruben_Heintjens | 0:73f2160fef5a | 50 | int Epd::Init(void) { |
Ruben_Heintjens | 0:73f2160fef5a | 51 | printf("start init \r\n"); |
Ruben_Heintjens | 0:73f2160fef5a | 52 | /* this calls the peripheral hardware interface, see epdif */ |
Ruben_Heintjens | 0:73f2160fef5a | 53 | if (IfInit() != 0) { |
Ruben_Heintjens | 0:73f2160fef5a | 54 | printf("interface init kapot \r\n"); |
Ruben_Heintjens | 0:73f2160fef5a | 55 | return -1; |
Ruben_Heintjens | 0:73f2160fef5a | 56 | } |
Ruben_Heintjens | 0:73f2160fef5a | 57 | /* EPD hardware init start */ |
Ruben_Heintjens | 0:73f2160fef5a | 58 | printf("reset \r\n"); |
Ruben_Heintjens | 0:73f2160fef5a | 59 | Reset(); |
Ruben_Heintjens | 0:73f2160fef5a | 60 | printf("send command 1 \r\n"); |
Ruben_Heintjens | 0:73f2160fef5a | 61 | SendCommand(BOOSTER_SOFT_START); |
Ruben_Heintjens | 0:73f2160fef5a | 62 | printf("send data \r\n"); |
Ruben_Heintjens | 0:73f2160fef5a | 63 | SendData(0x17); |
Ruben_Heintjens | 0:73f2160fef5a | 64 | wait(1); |
Ruben_Heintjens | 0:73f2160fef5a | 65 | SendData(0x17); |
Ruben_Heintjens | 0:73f2160fef5a | 66 | SendData(0x17); //07 0f 17 1f 27 2F 37 2f |
Ruben_Heintjens | 0:73f2160fef5a | 67 | printf("send command 2 \r\n"); |
Ruben_Heintjens | 0:73f2160fef5a | 68 | SendCommand(POWER_ON); |
Ruben_Heintjens | 0:73f2160fef5a | 69 | printf("pre wait \r\n"); |
Ruben_Heintjens | 0:73f2160fef5a | 70 | WaitUntilIdle(); |
Ruben_Heintjens | 0:73f2160fef5a | 71 | printf("post wait \r\n"); |
Ruben_Heintjens | 0:73f2160fef5a | 72 | SendCommand(PANEL_SETTING); |
Ruben_Heintjens | 0:73f2160fef5a | 73 | SendData(0x0F); // LUT from OTP |
Ruben_Heintjens | 0:73f2160fef5a | 74 | /* EPD hardware init end */ |
Ruben_Heintjens | 0:73f2160fef5a | 75 | |
Ruben_Heintjens | 0:73f2160fef5a | 76 | SendCommand(PLL_CONTROL); |
Ruben_Heintjens | 0:73f2160fef5a | 77 | return 0; |
Ruben_Heintjens | 0:73f2160fef5a | 78 | } |
Ruben_Heintjens | 0:73f2160fef5a | 79 | |
Ruben_Heintjens | 0:73f2160fef5a | 80 | /** |
Ruben_Heintjens | 0:73f2160fef5a | 81 | * @brief: basic function for sending commands |
Ruben_Heintjens | 0:73f2160fef5a | 82 | */ |
Ruben_Heintjens | 0:73f2160fef5a | 83 | void Epd::SendCommand(unsigned char command) { |
Ruben_Heintjens | 0:73f2160fef5a | 84 | //DigitalOut(dc_pin, LOW); |
Ruben_Heintjens | 0:73f2160fef5a | 85 | dc_pin = 0; |
Ruben_Heintjens | 0:73f2160fef5a | 86 | SpiTransfer(command); |
Ruben_Heintjens | 0:73f2160fef5a | 87 | } |
Ruben_Heintjens | 0:73f2160fef5a | 88 | |
Ruben_Heintjens | 0:73f2160fef5a | 89 | /** |
Ruben_Heintjens | 0:73f2160fef5a | 90 | * @brief: basic function for sending data |
Ruben_Heintjens | 0:73f2160fef5a | 91 | */ |
Ruben_Heintjens | 0:73f2160fef5a | 92 | void Epd::SendData(unsigned char data) { |
Ruben_Heintjens | 0:73f2160fef5a | 93 | //DigitalOut(dc_pin, HIGH); |
Ruben_Heintjens | 0:73f2160fef5a | 94 | dc_pin = 1; |
Ruben_Heintjens | 0:73f2160fef5a | 95 | SpiTransfer(data); |
Ruben_Heintjens | 0:73f2160fef5a | 96 | } |
Ruben_Heintjens | 0:73f2160fef5a | 97 | |
Ruben_Heintjens | 0:73f2160fef5a | 98 | /** |
Ruben_Heintjens | 0:73f2160fef5a | 99 | * @brief: Wait until the busy_pin goes HIGH |
Ruben_Heintjens | 0:73f2160fef5a | 100 | */ |
Ruben_Heintjens | 0:73f2160fef5a | 101 | void Epd::WaitUntilIdle(void) { |
Ruben_Heintjens | 0:73f2160fef5a | 102 | |
Ruben_Heintjens | 0:73f2160fef5a | 103 | /* |
Ruben_Heintjens | 0:73f2160fef5a | 104 | //in de while read uit epdif was eerst in gebruik |
Ruben_Heintjens | 0:73f2160fef5a | 105 | //busy was 0 |
Ruben_Heintjens | 0:73f2160fef5a | 106 | while(busy_pin == 1) { //0: busy, 1: idle |
Ruben_Heintjens | 0:73f2160fef5a | 107 | DelayMs(100); |
Ruben_Heintjens | 0:73f2160fef5a | 108 | } |
Ruben_Heintjens | 0:73f2160fef5a | 109 | */ |
Ruben_Heintjens | 0:73f2160fef5a | 110 | wait (3); |
Ruben_Heintjens | 0:73f2160fef5a | 111 | } |
Ruben_Heintjens | 0:73f2160fef5a | 112 | |
Ruben_Heintjens | 0:73f2160fef5a | 113 | /** |
Ruben_Heintjens | 0:73f2160fef5a | 114 | * @brief: module reset. |
Ruben_Heintjens | 0:73f2160fef5a | 115 | * often used to awaken the module in deep sleep, |
Ruben_Heintjens | 0:73f2160fef5a | 116 | * see Epd::Sleep(); |
Ruben_Heintjens | 0:73f2160fef5a | 117 | */ |
Ruben_Heintjens | 0:73f2160fef5a | 118 | void Epd::Reset(void) { |
Ruben_Heintjens | 0:73f2160fef5a | 119 | //DigitalOut(reset_pin, LOW); |
Ruben_Heintjens | 0:73f2160fef5a | 120 | reset_pin = LOW; |
Ruben_Heintjens | 0:73f2160fef5a | 121 | printf("pre delay \r\n"); |
Ruben_Heintjens | 0:73f2160fef5a | 122 | DelayMs(200); |
Ruben_Heintjens | 0:73f2160fef5a | 123 | printf("post delay \r\n"); |
Ruben_Heintjens | 0:73f2160fef5a | 124 | //DigitalOut(reset_pin, HIGH); |
Ruben_Heintjens | 0:73f2160fef5a | 125 | reset_pin = HIGH; |
Ruben_Heintjens | 0:73f2160fef5a | 126 | DelayMs(200); |
Ruben_Heintjens | 0:73f2160fef5a | 127 | } |
Ruben_Heintjens | 0:73f2160fef5a | 128 | |
Ruben_Heintjens | 0:73f2160fef5a | 129 | /** |
Ruben_Heintjens | 0:73f2160fef5a | 130 | * @brief: transmit partial data to the SRAM |
Ruben_Heintjens | 0:73f2160fef5a | 131 | */ |
Ruben_Heintjens | 0:73f2160fef5a | 132 | void Epd::SetPartialWindow(const unsigned char* buffer_black, const unsigned char* buffer_red, int x, int y, int w, int l) { |
Ruben_Heintjens | 0:73f2160fef5a | 133 | SendCommand(PARTIAL_IN); |
Ruben_Heintjens | 0:73f2160fef5a | 134 | SendCommand(PARTIAL_WINDOW); |
Ruben_Heintjens | 0:73f2160fef5a | 135 | SendData(x >> 8); |
Ruben_Heintjens | 0:73f2160fef5a | 136 | SendData(x & 0xf8); // x should be the multiple of 8, the last 3 bit will always be ignored |
Ruben_Heintjens | 0:73f2160fef5a | 137 | SendData(((x & 0xf8) + w - 1) >> 8); |
Ruben_Heintjens | 0:73f2160fef5a | 138 | SendData(((x & 0xf8) + w - 1) | 0x07); |
Ruben_Heintjens | 0:73f2160fef5a | 139 | SendData(y >> 8); |
Ruben_Heintjens | 0:73f2160fef5a | 140 | SendData(y & 0xff); |
Ruben_Heintjens | 0:73f2160fef5a | 141 | SendData((y + l - 1) >> 8); |
Ruben_Heintjens | 0:73f2160fef5a | 142 | SendData((y + l - 1) & 0xff); |
Ruben_Heintjens | 0:73f2160fef5a | 143 | SendData(0x01); // Gates scan both inside and outside of the partial window. (default) |
Ruben_Heintjens | 0:73f2160fef5a | 144 | DelayMs(2); |
Ruben_Heintjens | 0:73f2160fef5a | 145 | SendCommand(DATA_START_TRANSMISSION_1); |
Ruben_Heintjens | 0:73f2160fef5a | 146 | if (buffer_black != NULL) { |
Ruben_Heintjens | 0:73f2160fef5a | 147 | for(int i = 0; i < w / 8 * l; i++) { |
Ruben_Heintjens | 0:73f2160fef5a | 148 | SendData(buffer_black[i]); |
Ruben_Heintjens | 0:73f2160fef5a | 149 | } |
Ruben_Heintjens | 0:73f2160fef5a | 150 | } |
Ruben_Heintjens | 0:73f2160fef5a | 151 | DelayMs(2); |
Ruben_Heintjens | 0:73f2160fef5a | 152 | SendCommand(DATA_START_TRANSMISSION_2); |
Ruben_Heintjens | 0:73f2160fef5a | 153 | if (buffer_red != NULL) { |
Ruben_Heintjens | 0:73f2160fef5a | 154 | for(int i = 0; i < w / 8 * l; i++) { |
Ruben_Heintjens | 0:73f2160fef5a | 155 | SendData(buffer_red[i]); |
Ruben_Heintjens | 0:73f2160fef5a | 156 | } |
Ruben_Heintjens | 0:73f2160fef5a | 157 | } |
Ruben_Heintjens | 0:73f2160fef5a | 158 | DelayMs(2); |
Ruben_Heintjens | 0:73f2160fef5a | 159 | SendCommand(PARTIAL_OUT); |
Ruben_Heintjens | 0:73f2160fef5a | 160 | } |
Ruben_Heintjens | 0:73f2160fef5a | 161 | |
Ruben_Heintjens | 0:73f2160fef5a | 162 | /** |
Ruben_Heintjens | 0:73f2160fef5a | 163 | * @brief: transmit partial data to the black part of SRAM |
Ruben_Heintjens | 0:73f2160fef5a | 164 | */ |
Ruben_Heintjens | 0:73f2160fef5a | 165 | void Epd::SetPartialWindowBlack(const unsigned char* buffer_black, int x, int y, int w, int l) { |
Ruben_Heintjens | 0:73f2160fef5a | 166 | SendCommand(PARTIAL_IN); |
Ruben_Heintjens | 0:73f2160fef5a | 167 | SendCommand(PARTIAL_WINDOW); |
Ruben_Heintjens | 0:73f2160fef5a | 168 | SendData(x >> 8); |
Ruben_Heintjens | 0:73f2160fef5a | 169 | SendData(x & 0xf8); // x should be the multiple of 8, the last 3 bit will always be ignored |
Ruben_Heintjens | 0:73f2160fef5a | 170 | SendData(((x & 0xf8) + w - 1) >> 8); |
Ruben_Heintjens | 0:73f2160fef5a | 171 | SendData(((x & 0xf8) + w - 1) | 0x07); |
Ruben_Heintjens | 0:73f2160fef5a | 172 | SendData(y >> 8); |
Ruben_Heintjens | 0:73f2160fef5a | 173 | SendData(y & 0xff); |
Ruben_Heintjens | 0:73f2160fef5a | 174 | SendData((y + l - 1) >> 8); |
Ruben_Heintjens | 0:73f2160fef5a | 175 | SendData((y + l - 1) & 0xff); |
Ruben_Heintjens | 0:73f2160fef5a | 176 | SendData(0x01); // Gates scan both inside and outside of the partial window. (default) |
Ruben_Heintjens | 0:73f2160fef5a | 177 | DelayMs(2); |
Ruben_Heintjens | 0:73f2160fef5a | 178 | SendCommand(DATA_START_TRANSMISSION_1); |
Ruben_Heintjens | 0:73f2160fef5a | 179 | if (buffer_black != NULL) { |
Ruben_Heintjens | 0:73f2160fef5a | 180 | for(int i = 0; i < w / 8 * l; i++) { |
Ruben_Heintjens | 0:73f2160fef5a | 181 | SendData(buffer_black[i]); |
Ruben_Heintjens | 0:73f2160fef5a | 182 | } |
Ruben_Heintjens | 0:73f2160fef5a | 183 | } |
Ruben_Heintjens | 0:73f2160fef5a | 184 | DelayMs(2); |
Ruben_Heintjens | 0:73f2160fef5a | 185 | SendCommand(PARTIAL_OUT); |
Ruben_Heintjens | 0:73f2160fef5a | 186 | } |
Ruben_Heintjens | 0:73f2160fef5a | 187 | |
Ruben_Heintjens | 0:73f2160fef5a | 188 | /** |
Ruben_Heintjens | 0:73f2160fef5a | 189 | * @brief: transmit partial data to the red part of SRAM |
Ruben_Heintjens | 0:73f2160fef5a | 190 | */ |
Ruben_Heintjens | 0:73f2160fef5a | 191 | void Epd::SetPartialWindowRed(const unsigned char* buffer_red, int x, int y, int w, int l) { |
Ruben_Heintjens | 0:73f2160fef5a | 192 | SendCommand(PARTIAL_IN); |
Ruben_Heintjens | 0:73f2160fef5a | 193 | SendCommand(PARTIAL_WINDOW); |
Ruben_Heintjens | 0:73f2160fef5a | 194 | SendData(x >> 8); |
Ruben_Heintjens | 0:73f2160fef5a | 195 | SendData(x & 0xf8); // x should be the multiple of 8, the last 3 bit will always be ignored |
Ruben_Heintjens | 0:73f2160fef5a | 196 | SendData(((x & 0xf8) + w - 1) >> 8); |
Ruben_Heintjens | 0:73f2160fef5a | 197 | SendData(((x & 0xf8) + w - 1) | 0x07); |
Ruben_Heintjens | 0:73f2160fef5a | 198 | SendData(y >> 8); |
Ruben_Heintjens | 0:73f2160fef5a | 199 | SendData(y & 0xff); |
Ruben_Heintjens | 0:73f2160fef5a | 200 | SendData((y + l - 1) >> 8); |
Ruben_Heintjens | 0:73f2160fef5a | 201 | SendData((y + l - 1) & 0xff); |
Ruben_Heintjens | 0:73f2160fef5a | 202 | SendData(0x01); // Gates scan both inside and outside of the partial window. (default) |
Ruben_Heintjens | 0:73f2160fef5a | 203 | DelayMs(2); |
Ruben_Heintjens | 0:73f2160fef5a | 204 | SendCommand(DATA_START_TRANSMISSION_2); |
Ruben_Heintjens | 0:73f2160fef5a | 205 | if (buffer_red != NULL) { |
Ruben_Heintjens | 0:73f2160fef5a | 206 | for(int i = 0; i < w / 8 * l; i++) { |
Ruben_Heintjens | 0:73f2160fef5a | 207 | SendData(buffer_red[i]); |
Ruben_Heintjens | 0:73f2160fef5a | 208 | } |
Ruben_Heintjens | 0:73f2160fef5a | 209 | } |
Ruben_Heintjens | 0:73f2160fef5a | 210 | DelayMs(2); |
Ruben_Heintjens | 0:73f2160fef5a | 211 | SendCommand(PARTIAL_OUT); |
Ruben_Heintjens | 0:73f2160fef5a | 212 | } |
Ruben_Heintjens | 0:73f2160fef5a | 213 | |
Ruben_Heintjens | 0:73f2160fef5a | 214 | /** |
Ruben_Heintjens | 0:73f2160fef5a | 215 | * @brief: refresh and displays the frame |
Ruben_Heintjens | 0:73f2160fef5a | 216 | */ |
Ruben_Heintjens | 0:73f2160fef5a | 217 | void Epd::DisplayFrame(const unsigned char* frame_black, const unsigned char* frame_red) { |
Ruben_Heintjens | 0:73f2160fef5a | 218 | if (frame_black != NULL) { |
Ruben_Heintjens | 0:73f2160fef5a | 219 | SendCommand(DATA_START_TRANSMISSION_1); |
Ruben_Heintjens | 0:73f2160fef5a | 220 | DelayMs(2); |
Ruben_Heintjens | 0:73f2160fef5a | 221 | for (int i = 0; i < this->width / 8 * this->height; i++) { |
Ruben_Heintjens | 0:73f2160fef5a | 222 | //SendData(pgm_read_byte(&frame_black[i])); |
Ruben_Heintjens | 0:73f2160fef5a | 223 | SendData(frame_black[i]); |
Ruben_Heintjens | 0:73f2160fef5a | 224 | } |
Ruben_Heintjens | 0:73f2160fef5a | 225 | DelayMs(2); |
Ruben_Heintjens | 0:73f2160fef5a | 226 | } |
Ruben_Heintjens | 0:73f2160fef5a | 227 | if (frame_red != NULL) { |
Ruben_Heintjens | 0:73f2160fef5a | 228 | SendCommand(DATA_START_TRANSMISSION_2); |
Ruben_Heintjens | 0:73f2160fef5a | 229 | DelayMs(2); |
Ruben_Heintjens | 0:73f2160fef5a | 230 | for (int i = 0; i < this->width / 8 * this->height; i++) { |
Ruben_Heintjens | 0:73f2160fef5a | 231 | //SendData(pgm_read_byte(&frame_red[i])); |
Ruben_Heintjens | 0:73f2160fef5a | 232 | SendData(frame_red[i]); |
Ruben_Heintjens | 0:73f2160fef5a | 233 | } |
Ruben_Heintjens | 0:73f2160fef5a | 234 | DelayMs(2); |
Ruben_Heintjens | 0:73f2160fef5a | 235 | } |
Ruben_Heintjens | 0:73f2160fef5a | 236 | SendCommand(DISPLAY_REFRESH); |
Ruben_Heintjens | 0:73f2160fef5a | 237 | WaitUntilIdle(); |
Ruben_Heintjens | 0:73f2160fef5a | 238 | } |
Ruben_Heintjens | 0:73f2160fef5a | 239 | |
Ruben_Heintjens | 0:73f2160fef5a | 240 | /** |
Ruben_Heintjens | 0:73f2160fef5a | 241 | * @brief: clear the frame data from the SRAM, this won't refresh the display |
Ruben_Heintjens | 0:73f2160fef5a | 242 | */ |
Ruben_Heintjens | 0:73f2160fef5a | 243 | void Epd::ClearFrame(void) { |
Ruben_Heintjens | 0:73f2160fef5a | 244 | SendCommand(DATA_START_TRANSMISSION_1); |
Ruben_Heintjens | 0:73f2160fef5a | 245 | DelayMs(2); |
Ruben_Heintjens | 0:73f2160fef5a | 246 | for(int i = 0; i < width / 8 * height; i++) { |
Ruben_Heintjens | 0:73f2160fef5a | 247 | SendData(0xFF); |
Ruben_Heintjens | 0:73f2160fef5a | 248 | } |
Ruben_Heintjens | 0:73f2160fef5a | 249 | DelayMs(2); |
Ruben_Heintjens | 0:73f2160fef5a | 250 | SendCommand(DATA_START_TRANSMISSION_2); |
Ruben_Heintjens | 0:73f2160fef5a | 251 | DelayMs(2); |
Ruben_Heintjens | 0:73f2160fef5a | 252 | for(int i = 0; i < width / 8 * height; i++) { |
Ruben_Heintjens | 0:73f2160fef5a | 253 | SendData(0xFF); |
Ruben_Heintjens | 0:73f2160fef5a | 254 | } |
Ruben_Heintjens | 0:73f2160fef5a | 255 | DelayMs(2); |
Ruben_Heintjens | 0:73f2160fef5a | 256 | } |
Ruben_Heintjens | 0:73f2160fef5a | 257 | |
Ruben_Heintjens | 0:73f2160fef5a | 258 | /** |
Ruben_Heintjens | 0:73f2160fef5a | 259 | * @brief: This displays the frame data from SRAM |
Ruben_Heintjens | 0:73f2160fef5a | 260 | */ |
Ruben_Heintjens | 0:73f2160fef5a | 261 | void Epd::DisplayFrame(void) { |
Ruben_Heintjens | 0:73f2160fef5a | 262 | SendCommand(DISPLAY_REFRESH); |
Ruben_Heintjens | 0:73f2160fef5a | 263 | DelayMs(100); |
Ruben_Heintjens | 0:73f2160fef5a | 264 | WaitUntilIdle(); |
Ruben_Heintjens | 0:73f2160fef5a | 265 | } |
Ruben_Heintjens | 0:73f2160fef5a | 266 | |
Ruben_Heintjens | 0:73f2160fef5a | 267 | /** |
Ruben_Heintjens | 0:73f2160fef5a | 268 | * @brief: After this command is transmitted, the chip would enter the deep-sleep mode to save power. |
Ruben_Heintjens | 0:73f2160fef5a | 269 | * The deep sleep mode would return to standby by hardware reset. The only one parameter is a |
Ruben_Heintjens | 0:73f2160fef5a | 270 | * check code, the command would be executed if check code = 0xA5. |
Ruben_Heintjens | 0:73f2160fef5a | 271 | * You can use Epd::Reset() to awaken and use Epd::Init() to initialize. |
Ruben_Heintjens | 0:73f2160fef5a | 272 | */ |
Ruben_Heintjens | 0:73f2160fef5a | 273 | void Epd::Sleep() { |
Ruben_Heintjens | 0:73f2160fef5a | 274 | SendCommand(VCOM_AND_DATA_INTERVAL_SETTING); |
Ruben_Heintjens | 0:73f2160fef5a | 275 | SendData(0xF7); // border floating |
Ruben_Heintjens | 0:73f2160fef5a | 276 | SendCommand(POWER_OFF); |
Ruben_Heintjens | 0:73f2160fef5a | 277 | WaitUntilIdle(); |
Ruben_Heintjens | 0:73f2160fef5a | 278 | SendCommand(DEEP_SLEEP); |
Ruben_Heintjens | 0:73f2160fef5a | 279 | SendData(0xA5); // check code |
Ruben_Heintjens | 0:73f2160fef5a | 280 | } |
Ruben_Heintjens | 0:73f2160fef5a | 281 | |
Ruben_Heintjens | 0:73f2160fef5a | 282 | |
Ruben_Heintjens | 0:73f2160fef5a | 283 | /* END OF FILE */ |
Ruben_Heintjens | 0:73f2160fef5a | 284 | |
Ruben_Heintjens | 0:73f2160fef5a | 285 | |
Ruben_Heintjens | 0:73f2160fef5a | 286 | |
Ruben_Heintjens | 0:73f2160fef5a | 287 | |
Ruben_Heintjens | 0:73f2160fef5a | 288 |