mbed library for slider v2
analogout_api.h@0:b7116bd48af6, 2016-09-14 (annotated)
- Committer:
- mturner5
- Date:
- Wed Sep 14 07:04:27 2016 +0000
- Revision:
- 0:b7116bd48af6
Tried to use the timer.
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
mturner5 | 0:b7116bd48af6 | 1 | /* mbed Microcontroller Library |
mturner5 | 0:b7116bd48af6 | 2 | * Copyright (c) 2006-2013 ARM Limited |
mturner5 | 0:b7116bd48af6 | 3 | * |
mturner5 | 0:b7116bd48af6 | 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
mturner5 | 0:b7116bd48af6 | 5 | * you may not use this file except in compliance with the License. |
mturner5 | 0:b7116bd48af6 | 6 | * You may obtain a copy of the License at |
mturner5 | 0:b7116bd48af6 | 7 | * |
mturner5 | 0:b7116bd48af6 | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
mturner5 | 0:b7116bd48af6 | 9 | * |
mturner5 | 0:b7116bd48af6 | 10 | * Unless required by applicable law or agreed to in writing, software |
mturner5 | 0:b7116bd48af6 | 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
mturner5 | 0:b7116bd48af6 | 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
mturner5 | 0:b7116bd48af6 | 13 | * See the License for the specific language governing permissions and |
mturner5 | 0:b7116bd48af6 | 14 | * limitations under the License. |
mturner5 | 0:b7116bd48af6 | 15 | */ |
mturner5 | 0:b7116bd48af6 | 16 | #ifndef MBED_ANALOGOUT_API_H |
mturner5 | 0:b7116bd48af6 | 17 | #define MBED_ANALOGOUT_API_H |
mturner5 | 0:b7116bd48af6 | 18 | |
mturner5 | 0:b7116bd48af6 | 19 | #include "device.h" |
mturner5 | 0:b7116bd48af6 | 20 | |
mturner5 | 0:b7116bd48af6 | 21 | #if DEVICE_ANALOGOUT |
mturner5 | 0:b7116bd48af6 | 22 | |
mturner5 | 0:b7116bd48af6 | 23 | #ifdef __cplusplus |
mturner5 | 0:b7116bd48af6 | 24 | extern "C" { |
mturner5 | 0:b7116bd48af6 | 25 | #endif |
mturner5 | 0:b7116bd48af6 | 26 | |
mturner5 | 0:b7116bd48af6 | 27 | /** Analogout hal structure. dac_s is declared in the target's hal |
mturner5 | 0:b7116bd48af6 | 28 | */ |
mturner5 | 0:b7116bd48af6 | 29 | typedef struct dac_s dac_t; |
mturner5 | 0:b7116bd48af6 | 30 | |
mturner5 | 0:b7116bd48af6 | 31 | /** |
mturner5 | 0:b7116bd48af6 | 32 | * \defgroup hal_analogout Analogout hal functions |
mturner5 | 0:b7116bd48af6 | 33 | * @{ |
mturner5 | 0:b7116bd48af6 | 34 | */ |
mturner5 | 0:b7116bd48af6 | 35 | |
mturner5 | 0:b7116bd48af6 | 36 | /** Initialize the analogout peripheral |
mturner5 | 0:b7116bd48af6 | 37 | * |
mturner5 | 0:b7116bd48af6 | 38 | * Configures the pin used by analogout. |
mturner5 | 0:b7116bd48af6 | 39 | * @param obj The analogout object to initialize |
mturner5 | 0:b7116bd48af6 | 40 | * @param pin The analogout pin name |
mturner5 | 0:b7116bd48af6 | 41 | */ |
mturner5 | 0:b7116bd48af6 | 42 | void analogout_init(dac_t *obj, PinName pin); |
mturner5 | 0:b7116bd48af6 | 43 | |
mturner5 | 0:b7116bd48af6 | 44 | /** Release the analogout object |
mturner5 | 0:b7116bd48af6 | 45 | * |
mturner5 | 0:b7116bd48af6 | 46 | * Note: This is not currently used in the mbed-drivers |
mturner5 | 0:b7116bd48af6 | 47 | * @param obj The analogout object |
mturner5 | 0:b7116bd48af6 | 48 | */ |
mturner5 | 0:b7116bd48af6 | 49 | void analogout_free(dac_t *obj); |
mturner5 | 0:b7116bd48af6 | 50 | |
mturner5 | 0:b7116bd48af6 | 51 | /** Set the output voltage, specified as a percentage (float) |
mturner5 | 0:b7116bd48af6 | 52 | * |
mturner5 | 0:b7116bd48af6 | 53 | * @param obj The analogin object |
mturner5 | 0:b7116bd48af6 | 54 | * @param value The floating-point output voltage to be set |
mturner5 | 0:b7116bd48af6 | 55 | */ |
mturner5 | 0:b7116bd48af6 | 56 | void analogout_write(dac_t *obj, float value); |
mturner5 | 0:b7116bd48af6 | 57 | |
mturner5 | 0:b7116bd48af6 | 58 | /** Set the output voltage, specified as unsigned 16-bit |
mturner5 | 0:b7116bd48af6 | 59 | * |
mturner5 | 0:b7116bd48af6 | 60 | * @param obj The analogin object |
mturner5 | 0:b7116bd48af6 | 61 | * @param value The unsigned 16-bit output voltage to be set |
mturner5 | 0:b7116bd48af6 | 62 | */ |
mturner5 | 0:b7116bd48af6 | 63 | void analogout_write_u16(dac_t *obj, uint16_t value); |
mturner5 | 0:b7116bd48af6 | 64 | |
mturner5 | 0:b7116bd48af6 | 65 | /** Read the current voltage value on the pin |
mturner5 | 0:b7116bd48af6 | 66 | * |
mturner5 | 0:b7116bd48af6 | 67 | * @param obj The analogin object |
mturner5 | 0:b7116bd48af6 | 68 | * @return A floating-point value representing the current voltage on the pin, |
mturner5 | 0:b7116bd48af6 | 69 | * measured as a percentage |
mturner5 | 0:b7116bd48af6 | 70 | */ |
mturner5 | 0:b7116bd48af6 | 71 | float analogout_read(dac_t *obj); |
mturner5 | 0:b7116bd48af6 | 72 | |
mturner5 | 0:b7116bd48af6 | 73 | /** Read the current voltage value on the pin, as a normalized unsigned 16bit value |
mturner5 | 0:b7116bd48af6 | 74 | * |
mturner5 | 0:b7116bd48af6 | 75 | * @param obj The analogin object |
mturner5 | 0:b7116bd48af6 | 76 | * @return An unsigned 16-bit value representing the current voltage on the pin |
mturner5 | 0:b7116bd48af6 | 77 | */ |
mturner5 | 0:b7116bd48af6 | 78 | uint16_t analogout_read_u16(dac_t *obj); |
mturner5 | 0:b7116bd48af6 | 79 | |
mturner5 | 0:b7116bd48af6 | 80 | /**@}*/ |
mturner5 | 0:b7116bd48af6 | 81 | |
mturner5 | 0:b7116bd48af6 | 82 | #ifdef __cplusplus |
mturner5 | 0:b7116bd48af6 | 83 | } |
mturner5 | 0:b7116bd48af6 | 84 | #endif |
mturner5 | 0:b7116bd48af6 | 85 | |
mturner5 | 0:b7116bd48af6 | 86 | #endif |
mturner5 | 0:b7116bd48af6 | 87 | |
mturner5 | 0:b7116bd48af6 | 88 | #endif |