Marco Zecchini / Mbed OS Example_RTOS

Rtos API example

mbed-os/hal/analogout_api.h@0:9fca2b23d0ba, 2019-02-23 (annotated)

Committer:
marcozecchini
Date:
Sat Feb 23 12:13:36 2019 +0000
Revision:
0:9fca2b23d0ba
final commit

Who changed what in which revision?

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marcozecchini 0:9fca2b23d0ba 1
marcozecchini 0:9fca2b23d0ba 2 /** \addtogroup hal */
marcozecchini 0:9fca2b23d0ba 3 /** @{*/
marcozecchini 0:9fca2b23d0ba 4 /* mbed Microcontroller Library
marcozecchini 0:9fca2b23d0ba 5 * Copyright (c) 2006-2013 ARM Limited
marcozecchini 0:9fca2b23d0ba 6 *
marcozecchini 0:9fca2b23d0ba 7 * Licensed under the Apache License, Version 2.0 (the "License");
marcozecchini 0:9fca2b23d0ba 8 * you may not use this file except in compliance with the License.
marcozecchini 0:9fca2b23d0ba 9 * You may obtain a copy of the License at
marcozecchini 0:9fca2b23d0ba 10 *
marcozecchini 0:9fca2b23d0ba 11 * http://www.apache.org/licenses/LICENSE-2.0
marcozecchini 0:9fca2b23d0ba 12 *
marcozecchini 0:9fca2b23d0ba 13 * Unless required by applicable law or agreed to in writing, software
marcozecchini 0:9fca2b23d0ba 14 * distributed under the License is distributed on an "AS IS" BASIS,
marcozecchini 0:9fca2b23d0ba 15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
marcozecchini 0:9fca2b23d0ba 16 * See the License for the specific language governing permissions and
marcozecchini 0:9fca2b23d0ba 17 * limitations under the License.
marcozecchini 0:9fca2b23d0ba 18 */
marcozecchini 0:9fca2b23d0ba 19 #ifndef MBED_ANALOGOUT_API_H
marcozecchini 0:9fca2b23d0ba 20 #define MBED_ANALOGOUT_API_H
marcozecchini 0:9fca2b23d0ba 21
marcozecchini 0:9fca2b23d0ba 22 #include "device.h"
marcozecchini 0:9fca2b23d0ba 23
marcozecchini 0:9fca2b23d0ba 24 #if DEVICE_ANALOGOUT
marcozecchini 0:9fca2b23d0ba 25
marcozecchini 0:9fca2b23d0ba 26 #ifdef __cplusplus
marcozecchini 0:9fca2b23d0ba 27 extern "C" {
marcozecchini 0:9fca2b23d0ba 28 #endif
marcozecchini 0:9fca2b23d0ba 29
marcozecchini 0:9fca2b23d0ba 30 /** Analogout hal structure. dac_s is declared in the target's hal
marcozecchini 0:9fca2b23d0ba 31 */
marcozecchini 0:9fca2b23d0ba 32 typedef struct dac_s dac_t;
marcozecchini 0:9fca2b23d0ba 33
marcozecchini 0:9fca2b23d0ba 34 /**
marcozecchini 0:9fca2b23d0ba 35 * \defgroup hal_analogout Analogout hal functions
marcozecchini 0:9fca2b23d0ba 36 * @{
marcozecchini 0:9fca2b23d0ba 37 */
marcozecchini 0:9fca2b23d0ba 38
marcozecchini 0:9fca2b23d0ba 39 /** Initialize the analogout peripheral
marcozecchini 0:9fca2b23d0ba 40 *
marcozecchini 0:9fca2b23d0ba 41 * Configures the pin used by analogout.
marcozecchini 0:9fca2b23d0ba 42 * @param obj The analogout object to initialize
marcozecchini 0:9fca2b23d0ba 43 * @param pin The analogout pin name
marcozecchini 0:9fca2b23d0ba 44 */
marcozecchini 0:9fca2b23d0ba 45 void analogout_init(dac_t *obj, PinName pin);
marcozecchini 0:9fca2b23d0ba 46
marcozecchini 0:9fca2b23d0ba 47 /** Release the analogout object
marcozecchini 0:9fca2b23d0ba 48 *
marcozecchini 0:9fca2b23d0ba 49 * Note: This is not currently used in the mbed-drivers
marcozecchini 0:9fca2b23d0ba 50 * @param obj The analogout object
marcozecchini 0:9fca2b23d0ba 51 */
marcozecchini 0:9fca2b23d0ba 52 void analogout_free(dac_t *obj);
marcozecchini 0:9fca2b23d0ba 53
marcozecchini 0:9fca2b23d0ba 54 /** Set the output voltage, specified as a percentage (float)
marcozecchini 0:9fca2b23d0ba 55 *
marcozecchini 0:9fca2b23d0ba 56 * @param obj The analogin object
marcozecchini 0:9fca2b23d0ba 57 * @param value The floating-point output voltage to be set
marcozecchini 0:9fca2b23d0ba 58 */
marcozecchini 0:9fca2b23d0ba 59 void analogout_write(dac_t *obj, float value);
marcozecchini 0:9fca2b23d0ba 60
marcozecchini 0:9fca2b23d0ba 61 /** Set the output voltage, specified as unsigned 16-bit
marcozecchini 0:9fca2b23d0ba 62 *
marcozecchini 0:9fca2b23d0ba 63 * @param obj The analogin object
marcozecchini 0:9fca2b23d0ba 64 * @param value The unsigned 16-bit output voltage to be set
marcozecchini 0:9fca2b23d0ba 65 */
marcozecchini 0:9fca2b23d0ba 66 void analogout_write_u16(dac_t *obj, uint16_t value);
marcozecchini 0:9fca2b23d0ba 67
marcozecchini 0:9fca2b23d0ba 68 /** Read the current voltage value on the pin
marcozecchini 0:9fca2b23d0ba 69 *
marcozecchini 0:9fca2b23d0ba 70 * @param obj The analogin object
marcozecchini 0:9fca2b23d0ba 71 * @return A floating-point value representing the current voltage on the pin,
marcozecchini 0:9fca2b23d0ba 72 * measured as a percentage
marcozecchini 0:9fca2b23d0ba 73 */
marcozecchini 0:9fca2b23d0ba 74 float analogout_read(dac_t *obj);
marcozecchini 0:9fca2b23d0ba 75
marcozecchini 0:9fca2b23d0ba 76 /** Read the current voltage value on the pin, as a normalized unsigned 16bit value
marcozecchini 0:9fca2b23d0ba 77 *
marcozecchini 0:9fca2b23d0ba 78 * @param obj The analogin object
marcozecchini 0:9fca2b23d0ba 79 * @return An unsigned 16-bit value representing the current voltage on the pin
marcozecchini 0:9fca2b23d0ba 80 */
marcozecchini 0:9fca2b23d0ba 81 uint16_t analogout_read_u16(dac_t *obj);
marcozecchini 0:9fca2b23d0ba 82
marcozecchini 0:9fca2b23d0ba 83 /**@}*/
marcozecchini 0:9fca2b23d0ba 84
marcozecchini 0:9fca2b23d0ba 85 #ifdef __cplusplus
marcozecchini 0:9fca2b23d0ba 86 }
marcozecchini 0:9fca2b23d0ba 87 #endif
marcozecchini 0:9fca2b23d0ba 88
marcozecchini 0:9fca2b23d0ba 89 #endif
marcozecchini 0:9fca2b23d0ba 90
marcozecchini 0:9fca2b23d0ba 91 #endif
marcozecchini 0:9fca2b23d0ba 92
marcozecchini 0:9fca2b23d0ba 93 /** @}*/