mirror of https://github.com/ArduPilot/ardupilot
137 lines
3.6 KiB
C++
137 lines
3.6 KiB
C++
/*
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* This file is free software: you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This file is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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* See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* AP_OSD partially based on betaflight and inav osd.c implemention.
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* clarity.mcm font is taken from inav configurator.
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* Many thanks to their authors.
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*/
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#include "AP_OSD.h"
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#include "AP_OSD_MAX7456.h"
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#include <AP_HAL/AP_HAL.h>
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#include <AP_HAL/Util.h>
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#include <RC_Channel/RC_Channel.h>
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#include <utility>
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const AP_Param::GroupInfo AP_OSD::var_info[] = {
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// @Param: _TYPE
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// @DisplayName: OSD type
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// @Description: OSD type
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// @Values: 0:None,1:MAX7456
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// @User: Standard
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// @RebootRequired: True
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AP_GROUPINFO_FLAGS("_TYPE", 1, AP_OSD, osd_type, 0, AP_PARAM_FLAG_ENABLE),
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// @Param: _CHAN
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// @DisplayName: Screen switch transmitter channel
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// @Description: This sets the channel used to switch different OSD screens.
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// @Values: 0:Disable,5:Chan5,6:Chan6,7:Chan7,8:Chan8,9:Chan9,10:Chan10,11:Chan11,12:Chan12,13:Chan13,14:Chan14,15:Chan15,16:Chan16
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// @User: Standard
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AP_GROUPINFO("_CHAN", 2, AP_OSD, rc_channel, 0),
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// @Group: 1_
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// @Path: AP_OSD_Screen.cpp
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AP_SUBGROUPINFO(screen[0], "1_", 3, AP_OSD, AP_OSD_Screen),
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// @Group: 2_
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// @Path: AP_OSD_Screen.cpp
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AP_SUBGROUPINFO(screen[1], "2_", 4, AP_OSD, AP_OSD_Screen),
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// @Group: 3_
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// @Path: AP_OSD_Screen.cpp
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AP_SUBGROUPINFO(screen[2], "3_", 5, AP_OSD, AP_OSD_Screen),
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// @Group: 4_
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// @Path: AP_OSD_Screen.cpp
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AP_SUBGROUPINFO(screen[3], "4_", 6, AP_OSD, AP_OSD_Screen),
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AP_GROUPEND
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};
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extern const AP_HAL::HAL& hal;
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AP_OSD::AP_OSD()
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{
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AP_Param::setup_object_defaults(this, var_info);
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// default first screen enabled
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screen[0].enabled = 1;
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}
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void AP_OSD::init()
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{
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switch ((enum osd_types)osd_type.get()) {
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case OSD_NONE:
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default:
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break;
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case OSD_MAX7456:
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AP_HAL::OwnPtr<AP_HAL::Device> spi_dev = std::move(hal.spi->get_device("osd"));
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if (!spi_dev) {
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break;
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}
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backend = AP_OSD_MAX7456::probe(*this, std::move(spi_dev));
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if (backend == nullptr) {
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break;
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}
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hal.console->printf("Started MAX7456 OSD\n");
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hal.scheduler->register_io_process(FUNCTOR_BIND_MEMBER(&AP_OSD::timer, void));
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break;
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}
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}
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void AP_OSD::timer()
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{
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uint32_t now = AP_HAL::millis();
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if (now - last_update_ms >= 100) {
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last_update_ms = now;
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update_osd();
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}
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}
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void AP_OSD::update_osd()
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{
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backend->clear();
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update_current_screen();
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screen[current_screen].set_backend(backend);
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screen[current_screen].draw();
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backend->flush();
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}
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void AP_OSD::update_current_screen()
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{
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if (rc_channel == 0) {
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return;
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}
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RC_Channel *channel = RC_Channels::rc_channel(rc_channel-1);
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if (channel == nullptr) {
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return;
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}
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int16_t channel_value = channel->get_radio_in();
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for (uint8_t i=0; i<AP_OSD_NUM_SCREENS; i++) {
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if (screen[i].enabled && screen[i].channel_min <= channel_value && screen[i].channel_max > channel_value) {
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current_screen = i;
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break;
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}
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}
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}
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