/*
 * This file is part of Cleanflight.
 *
 * Cleanflight is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Cleanflight is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Cleanflight.  If not, see <http://www.gnu.org/licenses/>.
 */

#pragma once

#define MAX_PWM_MOTORS  12
#define MAX_PWM_SERVOS  8

#define MAX_MOTORS  12
#define MAX_SERVOS  8
#define MAX_PWM_OUTPUT_PORTS MAX_PWM_MOTORS // must be set to the largest of either MAX_MOTORS or MAX_SERVOS

#if MAX_PWM_OUTPUT_PORTS < MAX_MOTORS || MAX_PWM_OUTPUT_PORTS < MAX_SERVOS
#error Invalid motor/servo/port configuration
#endif


#define PULSE_1MS   (1000)      // 1ms pulse width

#define MAX_INPUTS  8

#define PWM_TIMER_MHZ 1
#define ONESHOT125_TIMER_MHZ 8

typedef struct sonarGPIOConfig_s {
    GPIO_TypeDef *gpio;
    uint16_t triggerPin;
    uint16_t echoPin;
} sonarGPIOConfig_t;

typedef struct drv_pwm_config_t {
    bool useParallelPWM;
    bool usePPM;
    bool useSerialRx;
    bool useRSSIADC;
    bool useCurrentMeterADC;
#ifdef STM32F10X
    bool useUART2;
#endif
#ifdef STM32F303xC
    bool useUART3;
#endif
    bool useVbat;
    bool useOneshot;
    bool useSoftSerial;
    bool useLEDStrip;
#ifdef SONAR
    bool useSonar;
#endif
#ifdef USE_SERVOS
    bool useServos;
    bool extraServos;    // configure additional 4 channels in PPM mode as servos, not motors
    uint16_t servoPwmRate;
    uint16_t servoCenterPulse;
#endif
    bool airplane;       // fixed wing hardware config, lots of servos etc
    uint16_t motorPwmRate;
    uint16_t idlePulse;  // PWM value to use when initializing the driver. set this to either PULSE_1MS (regular pwm),
                         // some higher value (used by 3d mode), or 0, for brushed pwm drivers.
    sonarGPIOConfig_t *sonarGPIOConfig;
} drv_pwm_config_t;


typedef struct pwmOutputConfiguration_s {
    uint8_t servoCount;
    uint8_t motorCount;
} pwmOutputConfiguration_t;

// This indexes into the read-only hardware definition structure, timerHardware_t
enum {
    PWM1 = 0,
    PWM2,
    PWM3,
    PWM4,
    PWM5,
    PWM6,
    PWM7,
    PWM8,
    PWM9,
    PWM10,
    PWM11,
    PWM12,
    PWM13,
    PWM14,
    PWM15,
    PWM16
};