src/main/io/displayport_msp_osd.h

   1 /*
   2  * This file is part of INAV Project.
   3  *
   4  * This Source Code Form is subject to the terms of the Mozilla Public
   5  * License, v. 2.0. If a copy of the MPL was not distributed with this file,
   6  * You can obtain one at http://mozilla.org/MPL/2.0/.
   7  *
   8  * Alternatively, the contents of this file may be used under the terms
   9  * of the GNU General Public License Version 3, as described below:
  10  *
  11  * This file is free software: you may copy, redistribute and/or modify
  12  * it under the terms of the GNU General Public License as published by the
  13  * Free Software Foundation, either version 3 of the License, or (at your
  14  * option) any later version.
  15  *
  16  * This file is distributed in the hope that it will be useful, but
  17  * WITHOUT ANY WARRANTY; without even the implied warranty of
  18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
  19  * Public License for more details.
  20  *
  21  * You should have received a copy of the GNU General Public License
  22  * along with this program. If not, see http://www.gnu.org/licenses/.
  23  */
  24
  25 #pragma once
  26
  27 #include "drivers/osd.h"
  28 #include "msp/msp_serial.h"
  29
  30 // MSP displayport V2 attribute byte bit functions
  31 #define DISPLAYPORT_MSP_ATTR_FONTPAGE   0 // Select bank of 256 characters as per displayPortSeverity_e
  32 #define DISPLAYPORT_MSP_ATTR_BLINK      6 // Device local blink
  33 #define DISPLAYPORT_MSP_ATTR_VERSION    7 // Format indicator; must be zero for V2 (and V1)
  34
  35 #define DISPLAYPORT_MSP_ATTR_FONTPAGE_MASK   0x3
  36 #define DISPLAYPORT_MSP_ATTR_BLINK_MASK      (1 << DISPLAYPORT_MSP_ATTR_BLINK)
  37 #define DISPLAYPORT_MSP_ATTR_VERSION_MASK    (1 << DISPLAYPORT_MSP_ATTR_VERSION)
  38
  39 typedef struct displayPort_s displayPort_t;
  40
  41 displayPort_t *mspOsdDisplayPortInit(const videoSystem_e videoSystem);
  42 void mspOsdSerialProcess(mspProcessCommandFnPtr mspProcessCommandFn);
  43 mspPort_t *getMspOsdPort(void);
  44
  45 #define getAttrPage(attr) (attr & DISPLAYPORT_MSP_ATTR_FONTPAGE_MASK)
  46 #define getAttrBlink(attr) ((attr & DISPLAYPORT_MSP_ATTR_BLINK_MASK) >> DISPLAYPORT_MSP_ATTR_BLINK)
  47 #define getAttrVersion(attr) ((attr & DISPLAYPORT_MSP_ATTR_VERSION_MASK) >> DISPLAYPORT_MSP_ATTR_VERSION)
  48
  49 uint8_t setAttrPage(uint8_t origAttr, uint8_t page);
  50 uint8_t setAttrBlink(uint8_t origAttr, uint8_t page);
  51 uint8_t setAttrVersion(uint8_t origAttr, uint8_t page);