API for driving Adafruit's NeoPixels using RedBear's BLE Nano or BLE nRF51822
Dependencies: mbed
Fork of RedBearNano_NeoPixels by
neopixel.h@1:2817122fd31a, 2016-07-23 (annotated)
- Committer:
- namako
- Date:
- Sat Jul 23 08:17:37 2016 +0000
- Revision:
- 1:2817122fd31a
- Parent:
- 0:bb19df120222
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Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
bickster | 0:bb19df120222 | 1 | /* Copyright (c) 2015 bickster, MIT License |
bickster | 0:bb19df120222 | 2 | * |
bickster | 0:bb19df120222 | 3 | * Permission is hereby granted, free of charge, to any person obtaining a copy of this software |
bickster | 0:bb19df120222 | 4 | * and associated documentation files (the "Software"), to deal in the Software without restriction, |
bickster | 0:bb19df120222 | 5 | * including without limitation the rights to use, copy, modify, merge, publish, distribute, |
bickster | 0:bb19df120222 | 6 | * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is |
bickster | 0:bb19df120222 | 7 | * furnished to do so, subject to the following conditions: |
bickster | 0:bb19df120222 | 8 | * |
bickster | 0:bb19df120222 | 9 | * The above copyright notice and this permission notice shall be included in all copies or |
bickster | 0:bb19df120222 | 10 | * substantial portions of the Software. |
bickster | 0:bb19df120222 | 11 | * |
bickster | 0:bb19df120222 | 12 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING |
bickster | 0:bb19df120222 | 13 | * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
bickster | 0:bb19df120222 | 14 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, |
bickster | 0:bb19df120222 | 15 | * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
bickster | 0:bb19df120222 | 16 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
bickster | 0:bb19df120222 | 17 | */ |
bickster | 0:bb19df120222 | 18 | #ifndef NEOPIXEL_H |
bickster | 0:bb19df120222 | 19 | #define NEOPIXEL_H |
bickster | 0:bb19df120222 | 20 | |
bickster | 0:bb19df120222 | 21 | #include <stdbool.h> |
bickster | 0:bb19df120222 | 22 | #include <stdint.h> |
bickster | 0:bb19df120222 | 23 | |
bickster | 0:bb19df120222 | 24 | |
bickster | 0:bb19df120222 | 25 | //These defines are timed specific to a series of if statements and will need to be changed |
bickster | 0:bb19df120222 | 26 | //to compensate for different writing algorithms than the one in neopixel.c |
bickster | 0:bb19df120222 | 27 | #define NEOPIXEL_SEND_ONE NRF_GPIO->OUTSET = (1UL << PIN); \ |
bickster | 0:bb19df120222 | 28 | NRF_GPIO->OUTSET = (1UL << PIN); \ |
bickster | 0:bb19df120222 | 29 | NRF_GPIO->OUTSET = (1UL << PIN); \ |
bickster | 0:bb19df120222 | 30 | NRF_GPIO->OUTCLR = (1UL << PIN); |
bickster | 0:bb19df120222 | 31 | |
bickster | 0:bb19df120222 | 32 | #define NEOPIXEL_SEND_ZERO NRF_GPIO->OUTSET = (1UL << PIN); \ |
bickster | 0:bb19df120222 | 33 | NRF_GPIO->OUTCLR = (1UL << PIN); \ |
bickster | 0:bb19df120222 | 34 | NRF_GPIO->OUTCLR = (1UL << PIN); \ |
bickster | 0:bb19df120222 | 35 | NRF_GPIO->OUTCLR = (1UL << PIN); \ |
bickster | 0:bb19df120222 | 36 | NRF_GPIO->OUTCLR = (1UL << PIN); |
bickster | 0:bb19df120222 | 37 | |
bickster | 0:bb19df120222 | 38 | typedef union { |
bickster | 0:bb19df120222 | 39 | struct { |
bickster | 0:bb19df120222 | 40 | uint8_t g, r, b; |
bickster | 0:bb19df120222 | 41 | }simple; |
bickster | 0:bb19df120222 | 42 | uint8_t grb[3]; |
bickster | 0:bb19df120222 | 43 | } color_t; |
bickster | 0:bb19df120222 | 44 | |
bickster | 0:bb19df120222 | 45 | typedef struct { |
bickster | 0:bb19df120222 | 46 | uint8_t pin_num; |
bickster | 0:bb19df120222 | 47 | uint16_t num_leds; |
bickster | 0:bb19df120222 | 48 | color_t *leds; |
bickster | 0:bb19df120222 | 49 | } neopixel_strip_t; |
bickster | 0:bb19df120222 | 50 | |
bickster | 0:bb19df120222 | 51 | /** |
bickster | 0:bb19df120222 | 52 | @brief Initialize GPIO and data location |
bickster | 0:bb19df120222 | 53 | @param[in] pointer to Strip structure |
bickster | 0:bb19df120222 | 54 | @param[in] pin number for GPIO |
bickster | 0:bb19df120222 | 55 | */ |
bickster | 0:bb19df120222 | 56 | void neopixel_init(neopixel_strip_t *strip, uint8_t pin_num, uint16_t num_leds); |
bickster | 0:bb19df120222 | 57 | |
bickster | 0:bb19df120222 | 58 | /** |
bickster | 0:bb19df120222 | 59 | @brief Turn all LEDs off |
bickster | 0:bb19df120222 | 60 | @param[in] pointer to Strip structure |
bickster | 0:bb19df120222 | 61 | */ |
bickster | 0:bb19df120222 | 62 | void neopixel_clear(neopixel_strip_t *strip); |
bickster | 0:bb19df120222 | 63 | |
bickster | 0:bb19df120222 | 64 | /** |
bickster | 0:bb19df120222 | 65 | @brief Update strip with structure data |
bickster | 0:bb19df120222 | 66 | @param[in] pointer to Strip structure |
bickster | 0:bb19df120222 | 67 | */ |
bickster | 0:bb19df120222 | 68 | void neopixel_show(neopixel_strip_t *strip); |
bickster | 0:bb19df120222 | 69 | |
bickster | 0:bb19df120222 | 70 | /** |
bickster | 0:bb19df120222 | 71 | @brief Write RGB value to LED structure |
bickster | 0:bb19df120222 | 72 | @param[in] pointer to Strip structure |
bickster | 0:bb19df120222 | 73 | @param[in] red value |
bickster | 0:bb19df120222 | 74 | @param[in] green value |
bickster | 0:bb19df120222 | 75 | @param[in] blue value |
bickster | 0:bb19df120222 | 76 | @param[in] LED number (starting at 1) |
bickster | 0:bb19df120222 | 77 | @retval 0 Successful write |
bickster | 0:bb19df120222 | 78 | @retval 1 LED number is out of bounds |
bickster | 0:bb19df120222 | 79 | */ |
bickster | 0:bb19df120222 | 80 | uint8_t neopixel_set_color(neopixel_strip_t *strip, uint16_t index, uint8_t red, uint8_t green, uint8_t blue ); |
bickster | 0:bb19df120222 | 81 | |
bickster | 0:bb19df120222 | 82 | |
bickster | 0:bb19df120222 | 83 | /** |
bickster | 0:bb19df120222 | 84 | @brief Write RGB value to LED structure and update LED |
bickster | 0:bb19df120222 | 85 | @param[in] pointer to Strip structure |
bickster | 0:bb19df120222 | 86 | @param[in] red value |
bickster | 0:bb19df120222 | 87 | @param[in] green value |
bickster | 0:bb19df120222 | 88 | @param[in] blue value |
bickster | 0:bb19df120222 | 89 | @param[in] LED number (starting at 1) |
bickster | 0:bb19df120222 | 90 | @retval 0 Successful write |
bickster | 0:bb19df120222 | 91 | @retval 1 LED number is out of bounds |
bickster | 0:bb19df120222 | 92 | */ |
bickster | 0:bb19df120222 | 93 | uint8_t neopixel_set_color_and_show(neopixel_strip_t *strip, uint16_t index, uint8_t red, uint8_t green, uint8_t blue); |
bickster | 0:bb19df120222 | 94 | |
bickster | 0:bb19df120222 | 95 | /** |
bickster | 0:bb19df120222 | 96 | @brief Clears structure data |
bickster | 0:bb19df120222 | 97 | @param[in] pointer to Strip structure |
bickster | 0:bb19df120222 | 98 | */ |
bickster | 0:bb19df120222 | 99 | void neopixel_destroy(neopixel_strip_t *strip); |
bickster | 0:bb19df120222 | 100 | |
bickster | 0:bb19df120222 | 101 | #endif |