pwm.h
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1 /*
2  * Copyright (c) 2017, James Jackson
3  *
4  * All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions are met:
8  *
9  * * Redistributions of source code must retain the above copyright notice, this
10  * list of conditions and the following disclaimer.
11  *
12  * * Redistributions in binary form must reproduce the above copyright notice,
13  * this list of conditions and the following disclaimer in the documentation
14  * and/or other materials provided with the distribution.
15  *
16  * * Neither the name of the copyright holder nor the names of its
17  * contributors may be used to endorse or promote products derived from
18  * this software without specific prior written permission.
19  *
20  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
21  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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24  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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29  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30  */
31 
32 #ifndef DRV_PWM_OUT_H
33 #define DRV_PWM_OUT_H
34 
35 #include "revo_f4.h"
36 
37 class PWM_OUT {
38 public:
39  PWM_OUT();
40 
41  void init(const pwm_hardware_struct_t* pwm_init, uint16_t frequency, uint32_t max_us, uint32_t min_us);
42  void enable();
43  void disable();
44  void write(float value);
45  void writeUs(uint16_t value);
46 
47 private:
48  volatile uint32_t* CCR_;
49 
50  uint16_t max_cyc_;
51  uint16_t min_cyc_;
52  uint32_t cycles_per_us_;
53 
55  uint16_t pin_;
56 };
57 
58 #endif //DRV_PWM_H
GPIO_TypeDef * port_
Definition: pwm.h:54
void enable()
Definition: pwm.cpp:126
volatile uint32_t * CCR_
Definition: pwm.h:48
PWM_OUT()
Definition: pwm.cpp:34
Definition: pwm.h:37
General Purpose I/O.
Definition: stm32f4xx.h:1281
void writeUs(uint16_t value)
Definition: pwm.cpp:148
uint16_t pin_
Definition: pwm.h:55
void disable()
Definition: pwm.cpp:134
uint32_t cycles_per_us_
Definition: pwm.h:52
uint16_t max_cyc_
Definition: pwm.h:50
void init(const pwm_hardware_struct_t *pwm_init, uint16_t frequency, uint32_t max_us, uint32_t min_us)
Definition: pwm.cpp:36
uint16_t min_cyc_
Definition: pwm.h:51
void write(float value)
Definition: pwm.cpp:144


rosflight_firmware
Author(s): Daniel Koch , James Jackson
autogenerated on Thu Oct 24 2019 03:17:19