David Ehrlich / SealDetection

Program to resistive fabric network to detect ring seal on CPR mask. Uses feeback from neopixel LEDs to demonstrate secure seal. Uses NeoStrip library for NeoPixel methods and class.

Fork of NeoStrip by James Song

NeoStrip.h@0:9f237b11f0a8, 2014-03-12 (annotated)

Committer:
aswild
Date:
Wed Mar 12 18:36:58 2014 +0000
Revision:
0:9f237b11f0a8
Child:
2:d607600a697d
Initial version

Who changed what in which revision?

UserRevisionLine numberNew contents of line
aswild 0:9f237b11f0a8 1 /**
aswild 0:9f237b11f0a8 2 * NeoStrip.h
aswild 0:9f237b11f0a8 3 *
aswild 0:9f237b11f0a8 4 * Allen Wild
aswild 0:9f237b11f0a8 5 * March 2014
aswild 0:9f237b11f0a8 6 *
aswild 0:9f237b11f0a8 7 * Library for the control of Adafruit NeoPixel addressable RGB LEDs.
aswild 0:9f237b11f0a8 8 */
aswild 0:9f237b11f0a8 9
aswild 0:9f237b11f0a8 10
aswild 0:9f237b11f0a8 11 #ifndef NEOSTRIP_H
aswild 0:9f237b11f0a8 12 #define NEOSTRIP_H
aswild 0:9f237b11f0a8 13
aswild 0:9f237b11f0a8 14 #ifndef TARGET_LPC1768
aswild 0:9f237b11f0a8 15 #error NeoStrip only supports the NXP LPC1768!
aswild 0:9f237b11f0a8 16 #endif
aswild 0:9f237b11f0a8 17
aswild 0:9f237b11f0a8 18 // NeoColor struct definition to hold 24 bit
aswild 0:9f237b11f0a8 19 // color data for each pixel, in GRB order
aswild 0:9f237b11f0a8 20 typedef struct _NeoColor
aswild 0:9f237b11f0a8 21 {
aswild 0:9f237b11f0a8 22 uint8_t green;
aswild 0:9f237b11f0a8 23 uint8_t red;
aswild 0:9f237b11f0a8 24 uint8_t blue;
aswild 0:9f237b11f0a8 25 } NeoColor;
aswild 0:9f237b11f0a8 26
aswild 0:9f237b11f0a8 27 /**
aswild 0:9f237b11f0a8 28 * NeoStrip objects manage the buffering and assigning of
aswild 0:9f237b11f0a8 29 * addressable NeoPixels
aswild 0:9f237b11f0a8 30 */
aswild 0:9f237b11f0a8 31 class NeoStrip
aswild 0:9f237b11f0a8 32 {
aswild 0:9f237b11f0a8 33 public:
aswild 0:9f237b11f0a8 34
aswild 0:9f237b11f0a8 35 /**
aswild 0:9f237b11f0a8 36 * Create a NeoStrip object
aswild 0:9f237b11f0a8 37 *
aswild 0:9f237b11f0a8 38 * @param pin The mbed data pin name
aswild 0:9f237b11f0a8 39 * @param N The number of pixels in the strip
aswild 0:9f237b11f0a8 40 */
aswild 0:9f237b11f0a8 41 NeoStrip(PinName pin, int N);
aswild 0:9f237b11f0a8 42
aswild 0:9f237b11f0a8 43 /**
aswild 0:9f237b11f0a8 44 * Set an overall brightness scale for the entire strip.
aswild 0:9f237b11f0a8 45 * When colors are set using setPixel(), they are scaled
aswild 0:9f237b11f0a8 46 * according to this brightness.
aswild 0:9f237b11f0a8 47 *
aswild 0:9f237b11f0a8 48 * Because NeoPixels are very bright and draw a lot of current,
aswild 0:9f237b11f0a8 49 * the brightness is set to 0.5 by default.
aswild 0:9f237b11f0a8 50 *
aswild 0:9f237b11f0a8 51 * @param bright The brightness scale between 0 and 1.0
aswild 0:9f237b11f0a8 52 */
aswild 0:9f237b11f0a8 53 void setBrightness(float bright);
aswild 0:9f237b11f0a8 54
aswild 0:9f237b11f0a8 55 /**
aswild 0:9f237b11f0a8 56 * Set a single pixel to the specified color.
aswild 0:9f237b11f0a8 57 *
aswild 0:9f237b11f0a8 58 * This method (and all other setPixel methods) uses modulo-N arithmetic
aswild 0:9f237b11f0a8 59 * when addressing pixels. If p >= N, the pixel address will wrap around.
aswild 0:9f237b11f0a8 60 *
aswild 0:9f237b11f0a8 61 * @param p The pixel number (starting at 0) to set
aswild 0:9f237b11f0a8 62 * @param color A 24-bit color packed into a single int,
aswild 0:9f237b11f0a8 63 * using standard hex color codes (e.g. 0xFF0000 is red)
aswild 0:9f237b11f0a8 64 */
aswild 0:9f237b11f0a8 65 void setPixel(int p, int color);
aswild 0:9f237b11f0a8 66
aswild 0:9f237b11f0a8 67 /**
aswild 0:9f237b11f0a8 68 * Set a single pixel to the specified color, with red, green, and blue
aswild 0:9f237b11f0a8 69 * values in separate arguments.
aswild 0:9f237b11f0a8 70 */
aswild 0:9f237b11f0a8 71 void setPixel(int p, uint8_t red, uint8_t green, uint8_t blue);
aswild 0:9f237b11f0a8 72
aswild 0:9f237b11f0a8 73 /**
aswild 0:9f237b11f0a8 74 * Set n pixels starting at pixel p.
aswild 0:9f237b11f0a8 75 *
aswild 0:9f237b11f0a8 76 * @param p The first pixel in the strip to set.
aswild 0:9f237b11f0a8 77 * @param n The number of pixels to set.
aswild 0:9f237b11f0a8 78 * @param colors An array of length n containing the 24-bit colors for each pixel
aswild 0:9f237b11f0a8 79 */
aswild 0:9f237b11f0a8 80 void setPixels(int p, int n, const int *colors);
aswild 0:9f237b11f0a8 81
aswild 0:9f237b11f0a8 82 /**
aswild 0:9f237b11f0a8 83 * Reset all pixels in the strip to be of (0x000000)
aswild 0:9f237b11f0a8 84 */
aswild 0:9f237b11f0a8 85 void clear();
aswild 0:9f237b11f0a8 86
aswild 0:9f237b11f0a8 87 /**
aswild 0:9f237b11f0a8 88 * Write the colors out to the strip; this method must be called
aswild 0:9f237b11f0a8 89 * to see any hardware effect.
aswild 0:9f237b11f0a8 90 *
aswild 0:9f237b11f0a8 91 * This function disables interrupts while the strip data is being sent,
aswild 0:9f237b11f0a8 92 * each pixel takes approximately 30us to send, plus a 50us reset pulse
aswild 0:9f237b11f0a8 93 * at the end.
aswild 0:9f237b11f0a8 94 */
aswild 0:9f237b11f0a8 95 void write();
aswild 0:9f237b11f0a8 96
aswild 0:9f237b11f0a8 97 protected:
aswild 0:9f237b11f0a8 98 NeoColor *strip; // pixel data buffer modified by setPixel() and used by neo_out()
aswild 0:9f237b11f0a8 99 int N; // the number of pixels in the strip
aswild 0:9f237b11f0a8 100 int Nbytes; // the number of bytes of pixel data (always N*3)
aswild 0:9f237b11f0a8 101 float bright; // the master strip brightness
aswild 0:9f237b11f0a8 102 gpio_t gpio; // gpio struct for initialization and getting register addresses
aswild 0:9f237b11f0a8 103 };
aswild 0:9f237b11f0a8 104
aswild 0:9f237b11f0a8 105 #endif
aswild 0:9f237b11f0a8 106
aswild 0:9f237b11f0a8 107