Greg Steiert / maxim-dev

Maxim mbed development library

Dependents:   MAX34417_demo MAXREFDES1265 MAXREFDES1265

Fork of mbed-dev by mbed official

hal/pwmout_api.h@164:2e7515f8c45d, 2017-03-24 (annotated)

Committer:
switches
Date:
Fri Mar 24 15:15:13 2017 +0000
Revision:
164:2e7515f8c45d
Parent:
149:156823d33999 
Added low level init to clear IO registers

Who changed what in which revision?

UserRevisionLine numberNew contents of line
<> 149:156823d33999 1
<> 149:156823d33999 2 /** \addtogroup hal */
<> 149:156823d33999 3 /** @{*/
<> 144:ef7eb2e8f9f7 4 /* mbed Microcontroller Library
<> 144:ef7eb2e8f9f7 5 * Copyright (c) 2006-2013 ARM Limited
<> 144:ef7eb2e8f9f7 6 *
<> 144:ef7eb2e8f9f7 7 * Licensed under the Apache License, Version 2.0 (the "License");
<> 144:ef7eb2e8f9f7 8 * you may not use this file except in compliance with the License.
<> 144:ef7eb2e8f9f7 9 * You may obtain a copy of the License at
<> 144:ef7eb2e8f9f7 10 *
<> 144:ef7eb2e8f9f7 11 * http://www.apache.org/licenses/LICENSE-2.0
<> 144:ef7eb2e8f9f7 12 *
<> 144:ef7eb2e8f9f7 13 * Unless required by applicable law or agreed to in writing, software
<> 144:ef7eb2e8f9f7 14 * distributed under the License is distributed on an "AS IS" BASIS,
<> 144:ef7eb2e8f9f7 15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
<> 144:ef7eb2e8f9f7 16 * See the License for the specific language governing permissions and
<> 144:ef7eb2e8f9f7 17 * limitations under the License.
<> 144:ef7eb2e8f9f7 18 */
<> 144:ef7eb2e8f9f7 19 #ifndef MBED_PWMOUT_API_H
<> 144:ef7eb2e8f9f7 20 #define MBED_PWMOUT_API_H
<> 144:ef7eb2e8f9f7 21
<> 144:ef7eb2e8f9f7 22 #include "device.h"
<> 144:ef7eb2e8f9f7 23
<> 144:ef7eb2e8f9f7 24 #if DEVICE_PWMOUT
<> 144:ef7eb2e8f9f7 25
<> 144:ef7eb2e8f9f7 26 #ifdef __cplusplus
<> 144:ef7eb2e8f9f7 27 extern "C" {
<> 144:ef7eb2e8f9f7 28 #endif
<> 144:ef7eb2e8f9f7 29
<> 144:ef7eb2e8f9f7 30 /** Pwmout hal structure. pwmout_s is declared in the target's hal
<> 144:ef7eb2e8f9f7 31 */
<> 144:ef7eb2e8f9f7 32 typedef struct pwmout_s pwmout_t;
<> 144:ef7eb2e8f9f7 33
<> 144:ef7eb2e8f9f7 34 /**
<> 144:ef7eb2e8f9f7 35 * \defgroup hal_pwmout Pwmout hal functions
<> 144:ef7eb2e8f9f7 36 * @{
<> 144:ef7eb2e8f9f7 37 */
<> 144:ef7eb2e8f9f7 38
<> 144:ef7eb2e8f9f7 39 /** Initialize the pwm out peripheral and configure the pin
<> 144:ef7eb2e8f9f7 40 *
<> 144:ef7eb2e8f9f7 41 * @param obj The pwmout object to initialize
<> 144:ef7eb2e8f9f7 42 * @param pin The pwmout pin to initialize
<> 144:ef7eb2e8f9f7 43 */
<> 144:ef7eb2e8f9f7 44 void pwmout_init(pwmout_t *obj, PinName pin);
<> 144:ef7eb2e8f9f7 45
<> 144:ef7eb2e8f9f7 46 /** Deinitialize the pwmout object
<> 144:ef7eb2e8f9f7 47 *
<> 144:ef7eb2e8f9f7 48 * @param obj The pwmout object
<> 144:ef7eb2e8f9f7 49 */
<> 144:ef7eb2e8f9f7 50 void pwmout_free(pwmout_t *obj);
<> 144:ef7eb2e8f9f7 51
<> 144:ef7eb2e8f9f7 52 /** Set the output duty-cycle in range <0.0f, 1.0f>
<> 144:ef7eb2e8f9f7 53 *
<> 144:ef7eb2e8f9f7 54 * Value 0.0f represents 0 percentage, 1.0f represents 100 percent.
<> 144:ef7eb2e8f9f7 55 * @param obj The pwmout object
<> 144:ef7eb2e8f9f7 56 * @param percent The floating-point percentage number
<> 144:ef7eb2e8f9f7 57 */
<> 144:ef7eb2e8f9f7 58 void pwmout_write(pwmout_t *obj, float percent);
<> 144:ef7eb2e8f9f7 59
<> 144:ef7eb2e8f9f7 60 /** Read the current float-point output duty-cycle
<> 144:ef7eb2e8f9f7 61 *
<> 144:ef7eb2e8f9f7 62 * @param obj The pwmout object
<> 144:ef7eb2e8f9f7 63 * @return A floating-point output duty-cycle
<> 144:ef7eb2e8f9f7 64 */
<> 144:ef7eb2e8f9f7 65 float pwmout_read(pwmout_t *obj);
<> 144:ef7eb2e8f9f7 66
<> 144:ef7eb2e8f9f7 67 /** Set the PWM period specified in seconds, keeping the duty cycle the same
<> 144:ef7eb2e8f9f7 68 *
<> 144:ef7eb2e8f9f7 69 * Periods smaller than microseconds (the lowest resolution) are set to zero.
<> 144:ef7eb2e8f9f7 70 * @param obj The pwmout object
<> 144:ef7eb2e8f9f7 71 * @param seconds The floating-point seconds period
<> 144:ef7eb2e8f9f7 72 */
<> 144:ef7eb2e8f9f7 73 void pwmout_period(pwmout_t *obj, float seconds);
<> 144:ef7eb2e8f9f7 74
<> 144:ef7eb2e8f9f7 75 /** Set the PWM period specified in miliseconds, keeping the duty cycle the same
<> 144:ef7eb2e8f9f7 76 *
<> 144:ef7eb2e8f9f7 77 * @param obj The pwmout object
<> 144:ef7eb2e8f9f7 78 * @param ms The milisecond period
<> 144:ef7eb2e8f9f7 79 */
<> 144:ef7eb2e8f9f7 80 void pwmout_period_ms(pwmout_t *obj, int ms);
<> 144:ef7eb2e8f9f7 81
<> 144:ef7eb2e8f9f7 82 /** Set the PWM period specified in microseconds, keeping the duty cycle the same
<> 144:ef7eb2e8f9f7 83 *
<> 144:ef7eb2e8f9f7 84 * @param obj The pwmout object
<> 144:ef7eb2e8f9f7 85 * @param us The microsecond period
<> 144:ef7eb2e8f9f7 86 */
<> 144:ef7eb2e8f9f7 87 void pwmout_period_us(pwmout_t *obj, int us);
<> 144:ef7eb2e8f9f7 88
<> 144:ef7eb2e8f9f7 89 /** Set the PWM pulsewidth specified in seconds, keeping the period the same.
<> 144:ef7eb2e8f9f7 90 *
<> 144:ef7eb2e8f9f7 91 * @param obj The pwmout object
<> 144:ef7eb2e8f9f7 92 * @param seconds The floating-point pulsewidth in seconds
<> 144:ef7eb2e8f9f7 93 */
<> 144:ef7eb2e8f9f7 94 void pwmout_pulsewidth(pwmout_t *obj, float seconds);
<> 144:ef7eb2e8f9f7 95
<> 144:ef7eb2e8f9f7 96 /** Set the PWM pulsewidth specified in miliseconds, keeping the period the same.
<> 144:ef7eb2e8f9f7 97 *
<> 144:ef7eb2e8f9f7 98 * @param obj The pwmout object
<> 144:ef7eb2e8f9f7 99 * @param ms The floating-point pulsewidth in miliseconds
<> 144:ef7eb2e8f9f7 100 */
<> 144:ef7eb2e8f9f7 101 void pwmout_pulsewidth_ms(pwmout_t *obj, int ms);
<> 144:ef7eb2e8f9f7 102
<> 144:ef7eb2e8f9f7 103 /** Set the PWM pulsewidth specified in microseconds, keeping the period the same.
<> 144:ef7eb2e8f9f7 104 *
<> 144:ef7eb2e8f9f7 105 * @param obj The pwmout object
<> 144:ef7eb2e8f9f7 106 * @param us The floating-point pulsewidth in microseconds
<> 144:ef7eb2e8f9f7 107 */
<> 144:ef7eb2e8f9f7 108 void pwmout_pulsewidth_us(pwmout_t *obj, int us);
<> 144:ef7eb2e8f9f7 109
<> 144:ef7eb2e8f9f7 110 /**@}*/
<> 144:ef7eb2e8f9f7 111
<> 144:ef7eb2e8f9f7 112 #ifdef __cplusplus
<> 144:ef7eb2e8f9f7 113 }
<> 144:ef7eb2e8f9f7 114 #endif
<> 144:ef7eb2e8f9f7 115
<> 144:ef7eb2e8f9f7 116 #endif
<> 144:ef7eb2e8f9f7 117
<> 144:ef7eb2e8f9f7 118 #endif
<> 149:156823d33999 119
<> 149:156823d33999 120 /** @}*/