Add OSD_STATE_GROUP_ELEMENTS state to osdUpdate() and optimise DMA vs polled MAX7456...
[betaflight.git] / src / main / rx / pwm.c
blob49f16f92e7cee2bc8162d60ff57413f624a6c43c
1 /*
2 * This file is part of Cleanflight and Betaflight.
4 * Cleanflight and Betaflight are free software. You can redistribute
5 * this software and/or modify this software under the terms of the
6 * GNU General Public License as published by the Free Software
7 * Foundation, either version 3 of the License, or (at your option)
8 * any later version.
10 * Cleanflight and Betaflight are distributed in the hope that they
11 * will be useful, but WITHOUT ANY WARRANTY; without even the implied
12 * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
13 * See the GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this software.
18 * If not, see <http://www.gnu.org/licenses/>.
21 #include <stdbool.h>
22 #include <stdint.h>
23 #include <stdlib.h>
25 #include <string.h>
27 #include "platform.h"
29 #if defined(USE_PWM) || defined(USE_PPM)
31 #include "common/utils.h"
33 #include "config/feature.h"
35 #include "pg/rx.h"
37 #include "drivers/rx/rx_pwm.h"
39 #include "config/config.h"
41 #include "rx/rx.h"
42 #include "rx/pwm.h"
44 static float pwmReadRawRC(const rxRuntimeState_t *rxRuntimeState, uint8_t channel)
46 UNUSED(rxRuntimeState);
47 return pwmRead(channel);
50 static float ppmReadRawRC(const rxRuntimeState_t *rxRuntimeState, uint8_t channel)
52 UNUSED(rxRuntimeState);
53 return ppmRead(channel);
56 void rxPwmInit(const rxConfig_t *rxConfig, rxRuntimeState_t *rxRuntimeState)
58 UNUSED(rxConfig);
60 rxRuntimeState->rxRefreshRate = 20000;
62 // configure PWM/CPPM read function and max number of channels. serial rx below will override both of these, if enabled
63 switch (rxRuntimeState->rxProvider) {
64 default:
66 break;
67 case RX_PROVIDER_PARALLEL_PWM:
68 rxRuntimeState->channelCount = MAX_SUPPORTED_RC_PARALLEL_PWM_CHANNEL_COUNT;
69 rxRuntimeState->rcReadRawFn = pwmReadRawRC;
71 break;
72 case RX_PROVIDER_PPM:
73 rxRuntimeState->channelCount = MAX_SUPPORTED_RC_PPM_CHANNEL_COUNT;
74 rxRuntimeState->rcReadRawFn = ppmReadRawRC;
76 break;
79 #endif