![](/media/cache/group/default_image.jpg.50x50_q85.jpg)
API for driving Adafruit's NeoPixels using RedBear's BLE Nano or BLE nRF51822
Dependencies: mbed
Fork of RedBearNano_NeoPixels by
neopixel.h
- Committer:
- bickster
- Date:
- 2015-07-09
- Revision:
- 0:bb19df120222
File content as of revision 0:bb19df120222:
/* Copyright (c) 2015 bickster, MIT License * * Permission is hereby granted, free of charge, to any person obtaining a copy of this software * and associated documentation files (the "Software"), to deal in the Software without restriction, * including without limitation the rights to use, copy, modify, merge, publish, distribute, * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in all copies or * substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #ifndef NEOPIXEL_H #define NEOPIXEL_H #include <stdbool.h> #include <stdint.h> //These defines are timed specific to a series of if statements and will need to be changed //to compensate for different writing algorithms than the one in neopixel.c #define NEOPIXEL_SEND_ONE NRF_GPIO->OUTSET = (1UL << PIN); \ NRF_GPIO->OUTSET = (1UL << PIN); \ NRF_GPIO->OUTSET = (1UL << PIN); \ NRF_GPIO->OUTCLR = (1UL << PIN); #define NEOPIXEL_SEND_ZERO NRF_GPIO->OUTSET = (1UL << PIN); \ NRF_GPIO->OUTCLR = (1UL << PIN); \ NRF_GPIO->OUTCLR = (1UL << PIN); \ NRF_GPIO->OUTCLR = (1UL << PIN); \ NRF_GPIO->OUTCLR = (1UL << PIN); typedef union { struct { uint8_t g, r, b; }simple; uint8_t grb[3]; } color_t; typedef struct { uint8_t pin_num; uint16_t num_leds; color_t *leds; } neopixel_strip_t; /** @brief Initialize GPIO and data location @param[in] pointer to Strip structure @param[in] pin number for GPIO */ void neopixel_init(neopixel_strip_t *strip, uint8_t pin_num, uint16_t num_leds); /** @brief Turn all LEDs off @param[in] pointer to Strip structure */ void neopixel_clear(neopixel_strip_t *strip); /** @brief Update strip with structure data @param[in] pointer to Strip structure */ void neopixel_show(neopixel_strip_t *strip); /** @brief Write RGB value to LED structure @param[in] pointer to Strip structure @param[in] red value @param[in] green value @param[in] blue value @param[in] LED number (starting at 1) @retval 0 Successful write @retval 1 LED number is out of bounds */ uint8_t neopixel_set_color(neopixel_strip_t *strip, uint16_t index, uint8_t red, uint8_t green, uint8_t blue ); /** @brief Write RGB value to LED structure and update LED @param[in] pointer to Strip structure @param[in] red value @param[in] green value @param[in] blue value @param[in] LED number (starting at 1) @retval 0 Successful write @retval 1 LED number is out of bounds */ uint8_t neopixel_set_color_and_show(neopixel_strip_t *strip, uint16_t index, uint8_t red, uint8_t green, uint8_t blue); /** @brief Clears structure data @param[in] pointer to Strip structure */ void neopixel_destroy(neopixel_strip_t *strip); #endif