src/main/io/displayport_oled.c

   1 /*
   2  * This file is part of Cleanflight.
   3  *
   4  * Cleanflight is free software: you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation, either version 3 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * Cleanflight is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with Cleanflight.  If not, see <http://www.gnu.org/licenses/>.
  16  */
  17
  18 #include <stdbool.h>
  19 #include <stdint.h>
  20
  21 #include "platform.h"
  22
  23 #include "common/utils.h"
  24
  25 #include "drivers/display.h"
  26 #include "drivers/display_ug2864hsweg01.h"
  27
  28 static displayPort_t oledDisplayPort;
  29
  30 static int oledGrab(displayPort_t *displayPort)
  31 {
  32     UNUSED(displayPort);
  33     return 0;
  34 }
  35
  36 static int oledRelease(displayPort_t *displayPort)
  37 {
  38     UNUSED(displayPort);
  39     return 0;
  40 }
  41
  42 static int oledClearScreen(displayPort_t *displayPort)
  43 {
  44     UNUSED(displayPort);
  45     i2c_OLED_clear_display_quick();
  46     return 0;
  47 }
  48
  49 static int oledDrawScreen(displayPort_t *displayPort)
  50 {
  51     UNUSED(displayPort);
  52     return 0;
  53 }
  54
  55 static int oledScreenSize(const displayPort_t *displayPort)
  56 {
  57     return displayPort->rows * displayPort->cols;
  58 }
  59
  60 static int oledWriteString(displayPort_t *displayPort, uint8_t x, uint8_t y, const char *s, textAttributes_t attr)
  61 {
  62     UNUSED(displayPort);
  63     UNUSED(attr);
  64     i2c_OLED_set_xy(x, y);
  65     i2c_OLED_send_string(s);
  66     return 0;
  67 }
  68
  69 static int oledWriteChar(displayPort_t *displayPort, uint8_t x, uint8_t y, uint16_t c,  textAttributes_t attr)
  70 {
  71     UNUSED(displayPort);
  72     UNUSED(attr);
  73     i2c_OLED_set_xy(x, y);
  74     i2c_OLED_send_char(c);
  75     return 0;
  76 }
  77
  78 static bool oledIsTransferInProgress(const displayPort_t *displayPort)
  79 {
  80     UNUSED(displayPort);
  81     return false;
  82 }
  83
  84 static int oledHeartbeat(displayPort_t *displayPort)
  85 {
  86     UNUSED(displayPort);
  87     return 0;
  88 }
  89
  90 static void oledResync(displayPort_t *displayPort)
  91 {
  92     UNUSED(displayPort);
  93 }
  94
  95 static uint32_t oledTxBytesFree(const displayPort_t *displayPort)
  96 {
  97     UNUSED(displayPort);
  98     return UINT32_MAX;
  99 }
 100
 101 static const displayPortVTable_t oledVTable = {
 102     .grab = oledGrab,
 103     .release = oledRelease,
 104     .clearScreen = oledClearScreen,
 105     .drawScreen = oledDrawScreen,
 106     .screenSize = oledScreenSize,
 107     .writeString = oledWriteString,
 108     .writeChar = oledWriteChar,
 109     .readChar = NULL,
 110     .isTransferInProgress = oledIsTransferInProgress,
 111     .heartbeat = oledHeartbeat,
 112     .resync = oledResync,
 113     .txBytesFree = oledTxBytesFree,
 114     .supportedTextAttributes = NULL,
 115 };
 116
 117 displayPort_t *displayPortOledInit(void)
 118 {
 119     displayInit(&oledDisplayPort, &oledVTable);
 120     oledDisplayPort.rows = SCREEN_CHARACTER_ROW_COUNT;
 121     oledDisplayPort.cols = SCREEN_CHARACTER_COLUMN_COUNT;
 122     return &oledDisplayPort;
 123 }