Nicolas Borla / Mbed OS ROME2_Robot_Firmware

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mbed-os/hal/pwmout_api.h@3:6fe17b8a6d62, 2021-03-09 (annotated)

Committer:
boro
Date:
Tue Mar 09 13:10:40 2021 +0000
Revision:
3:6fe17b8a6d62
Parent:
0:4beb2ea291ec 
SDBlockDevice added

Who changed what in which revision?

UserRevisionLine numberNew contents of line
boro 0:4beb2ea291ec 1
boro 0:4beb2ea291ec 2 /** \addtogroup hal */
boro 0:4beb2ea291ec 3 /** @{*/
boro 0:4beb2ea291ec 4 /* mbed Microcontroller Library
boro 0:4beb2ea291ec 5 * Copyright (c) 2006-2013 ARM Limited
boro 0:4beb2ea291ec 6 *
boro 0:4beb2ea291ec 7 * Licensed under the Apache License, Version 2.0 (the "License");
boro 0:4beb2ea291ec 8 * you may not use this file except in compliance with the License.
boro 0:4beb2ea291ec 9 * You may obtain a copy of the License at
boro 0:4beb2ea291ec 10 *
boro 0:4beb2ea291ec 11 * http://www.apache.org/licenses/LICENSE-2.0
boro 0:4beb2ea291ec 12 *
boro 0:4beb2ea291ec 13 * Unless required by applicable law or agreed to in writing, software
boro 0:4beb2ea291ec 14 * distributed under the License is distributed on an "AS IS" BASIS,
boro 0:4beb2ea291ec 15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
boro 0:4beb2ea291ec 16 * See the License for the specific language governing permissions and
boro 0:4beb2ea291ec 17 * limitations under the License.
boro 0:4beb2ea291ec 18 */
boro 0:4beb2ea291ec 19 #ifndef MBED_PWMOUT_API_H
boro 0:4beb2ea291ec 20 #define MBED_PWMOUT_API_H
boro 0:4beb2ea291ec 21
boro 0:4beb2ea291ec 22 #include "device.h"
boro 0:4beb2ea291ec 23
boro 0:4beb2ea291ec 24 #if DEVICE_PWMOUT
boro 0:4beb2ea291ec 25
boro 0:4beb2ea291ec 26 #ifdef __cplusplus
boro 0:4beb2ea291ec 27 extern "C" {
boro 0:4beb2ea291ec 28 #endif
boro 0:4beb2ea291ec 29
boro 0:4beb2ea291ec 30 /** Pwmout hal structure. pwmout_s is declared in the target's hal
boro 0:4beb2ea291ec 31 */
boro 0:4beb2ea291ec 32 typedef struct pwmout_s pwmout_t;
boro 0:4beb2ea291ec 33
boro 0:4beb2ea291ec 34 /**
boro 0:4beb2ea291ec 35 * \defgroup hal_pwmout Pwmout hal functions
boro 0:4beb2ea291ec 36 * @{
boro 0:4beb2ea291ec 37 */
boro 0:4beb2ea291ec 38
boro 0:4beb2ea291ec 39 /** Initialize the pwm out peripheral and configure the pin
boro 0:4beb2ea291ec 40 *
boro 0:4beb2ea291ec 41 * @param obj The pwmout object to initialize
boro 0:4beb2ea291ec 42 * @param pin The pwmout pin to initialize
boro 0:4beb2ea291ec 43 */
boro 0:4beb2ea291ec 44 void pwmout_init(pwmout_t *obj, PinName pin);
boro 0:4beb2ea291ec 45
boro 0:4beb2ea291ec 46 /** Deinitialize the pwmout object
boro 0:4beb2ea291ec 47 *
boro 0:4beb2ea291ec 48 * @param obj The pwmout object
boro 0:4beb2ea291ec 49 */
boro 0:4beb2ea291ec 50 void pwmout_free(pwmout_t *obj);
boro 0:4beb2ea291ec 51
boro 0:4beb2ea291ec 52 /** Set the output duty-cycle in range <0.0f, 1.0f>
boro 0:4beb2ea291ec 53 *
boro 0:4beb2ea291ec 54 * Value 0.0f represents 0 percentage, 1.0f represents 100 percent.
boro 0:4beb2ea291ec 55 * @param obj The pwmout object
boro 0:4beb2ea291ec 56 * @param percent The floating-point percentage number
boro 0:4beb2ea291ec 57 */
boro 0:4beb2ea291ec 58 void pwmout_write(pwmout_t *obj, float percent);
boro 0:4beb2ea291ec 59
boro 0:4beb2ea291ec 60 /** Read the current float-point output duty-cycle
boro 0:4beb2ea291ec 61 *
boro 0:4beb2ea291ec 62 * @param obj The pwmout object
boro 0:4beb2ea291ec 63 * @return A floating-point output duty-cycle
boro 0:4beb2ea291ec 64 */
boro 0:4beb2ea291ec 65 float pwmout_read(pwmout_t *obj);
boro 0:4beb2ea291ec 66
boro 0:4beb2ea291ec 67 /** Set the PWM period specified in seconds, keeping the duty cycle the same
boro 0:4beb2ea291ec 68 *
boro 0:4beb2ea291ec 69 * Periods smaller than microseconds (the lowest resolution) are set to zero.
boro 0:4beb2ea291ec 70 * @param obj The pwmout object
boro 0:4beb2ea291ec 71 * @param seconds The floating-point seconds period
boro 0:4beb2ea291ec 72 */
boro 0:4beb2ea291ec 73 void pwmout_period(pwmout_t *obj, float seconds);
boro 0:4beb2ea291ec 74
boro 0:4beb2ea291ec 75 /** Set the PWM period specified in miliseconds, keeping the duty cycle the same
boro 0:4beb2ea291ec 76 *
boro 0:4beb2ea291ec 77 * @param obj The pwmout object
boro 0:4beb2ea291ec 78 * @param ms The milisecond period
boro 0:4beb2ea291ec 79 */
boro 0:4beb2ea291ec 80 void pwmout_period_ms(pwmout_t *obj, int ms);
boro 0:4beb2ea291ec 81
boro 0:4beb2ea291ec 82 /** Set the PWM period specified in microseconds, keeping the duty cycle the same
boro 0:4beb2ea291ec 83 *
boro 0:4beb2ea291ec 84 * @param obj The pwmout object
boro 0:4beb2ea291ec 85 * @param us The microsecond period
boro 0:4beb2ea291ec 86 */
boro 0:4beb2ea291ec 87 void pwmout_period_us(pwmout_t *obj, int us);
boro 0:4beb2ea291ec 88
boro 0:4beb2ea291ec 89 /** Set the PWM pulsewidth specified in seconds, keeping the period the same.
boro 0:4beb2ea291ec 90 *
boro 0:4beb2ea291ec 91 * @param obj The pwmout object
boro 0:4beb2ea291ec 92 * @param seconds The floating-point pulsewidth in seconds
boro 0:4beb2ea291ec 93 */
boro 0:4beb2ea291ec 94 void pwmout_pulsewidth(pwmout_t *obj, float seconds);
boro 0:4beb2ea291ec 95
boro 0:4beb2ea291ec 96 /** Set the PWM pulsewidth specified in miliseconds, keeping the period the same.
boro 0:4beb2ea291ec 97 *
boro 0:4beb2ea291ec 98 * @param obj The pwmout object
boro 0:4beb2ea291ec 99 * @param ms The floating-point pulsewidth in miliseconds
boro 0:4beb2ea291ec 100 */
boro 0:4beb2ea291ec 101 void pwmout_pulsewidth_ms(pwmout_t *obj, int ms);
boro 0:4beb2ea291ec 102
boro 0:4beb2ea291ec 103 /** Set the PWM pulsewidth specified in microseconds, keeping the period the same.
boro 0:4beb2ea291ec 104 *
boro 0:4beb2ea291ec 105 * @param obj The pwmout object
boro 0:4beb2ea291ec 106 * @param us The floating-point pulsewidth in microseconds
boro 0:4beb2ea291ec 107 */
boro 0:4beb2ea291ec 108 void pwmout_pulsewidth_us(pwmout_t *obj, int us);
boro 0:4beb2ea291ec 109
boro 0:4beb2ea291ec 110 /**@}*/
boro 0:4beb2ea291ec 111
boro 0:4beb2ea291ec 112 #ifdef __cplusplus
boro 0:4beb2ea291ec 113 }
boro 0:4beb2ea291ec 114 #endif
boro 0:4beb2ea291ec 115
boro 0:4beb2ea291ec 116 #endif
boro 0:4beb2ea291ec 117
boro 0:4beb2ea291ec 118 #endif
boro 0:4beb2ea291ec 119
boro 0:4beb2ea291ec 120 /** @}*/