mirror of
https://github.com/dalathegreat/Battery-Emulator.git
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Minimize the Neopixel library
This commit is contained in:
Daniel Öster
parent
235fbe017e
commit
162bad8142
4 changed files with 13 additions and 3394 deletions
File diff suppressed because it is too large
Load diff
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@ -36,30 +36,7 @@
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#ifndef ADAFRUIT_NEOPIXEL_H
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#define ADAFRUIT_NEOPIXEL_H
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#ifdef ARDUINO
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#if (ARDUINO >= 100)
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#include <Arduino.h>
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#else
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#include <WProgram.h>
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#include <pins_arduino.h>
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#endif
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#ifdef USE_TINYUSB // For Serial when selecting TinyUSB
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#include <Adafruit_TinyUSB.h>
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#endif
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#endif
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#ifdef TARGET_LPC1768
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#include <Arduino.h>
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#endif
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#if defined(ARDUINO_ARCH_RP2040)
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#include <stdlib.h>
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#include "hardware/pio.h"
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#include "hardware/clocks.h"
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#include "rp2040_pio.h"
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#endif
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// The order of primary colors in the NeoPixel data stream can vary among
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// device types, manufacturers and even different revisions of the same
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@ -95,36 +72,6 @@
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#define NEO_BRG ((1 << 6) | (1 << 4) | (2 << 2) | (0)) ///< Transmit as B,R,G
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#define NEO_BGR ((2 << 6) | (2 << 4) | (1 << 2) | (0)) ///< Transmit as B,G,R
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// RGBW NeoPixel permutations; all 4 offsets are distinct
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// Offset: W R G B
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#define NEO_WRGB ((0 << 6) | (1 << 4) | (2 << 2) | (3)) ///< Transmit as W,R,G,B
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#define NEO_WRBG ((0 << 6) | (1 << 4) | (3 << 2) | (2)) ///< Transmit as W,R,B,G
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#define NEO_WGRB ((0 << 6) | (2 << 4) | (1 << 2) | (3)) ///< Transmit as W,G,R,B
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#define NEO_WGBR ((0 << 6) | (3 << 4) | (1 << 2) | (2)) ///< Transmit as W,G,B,R
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#define NEO_WBRG ((0 << 6) | (2 << 4) | (3 << 2) | (1)) ///< Transmit as W,B,R,G
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#define NEO_WBGR ((0 << 6) | (3 << 4) | (2 << 2) | (1)) ///< Transmit as W,B,G,R
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#define NEO_RWGB ((1 << 6) | (0 << 4) | (2 << 2) | (3)) ///< Transmit as R,W,G,B
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#define NEO_RWBG ((1 << 6) | (0 << 4) | (3 << 2) | (2)) ///< Transmit as R,W,B,G
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#define NEO_RGWB ((2 << 6) | (0 << 4) | (1 << 2) | (3)) ///< Transmit as R,G,W,B
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#define NEO_RGBW ((3 << 6) | (0 << 4) | (1 << 2) | (2)) ///< Transmit as R,G,B,W
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#define NEO_RBWG ((2 << 6) | (0 << 4) | (3 << 2) | (1)) ///< Transmit as R,B,W,G
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#define NEO_RBGW ((3 << 6) | (0 << 4) | (2 << 2) | (1)) ///< Transmit as R,B,G,W
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#define NEO_GWRB ((1 << 6) | (2 << 4) | (0 << 2) | (3)) ///< Transmit as G,W,R,B
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#define NEO_GWBR ((1 << 6) | (3 << 4) | (0 << 2) | (2)) ///< Transmit as G,W,B,R
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#define NEO_GRWB ((2 << 6) | (1 << 4) | (0 << 2) | (3)) ///< Transmit as G,R,W,B
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#define NEO_GRBW ((3 << 6) | (1 << 4) | (0 << 2) | (2)) ///< Transmit as G,R,B,W
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#define NEO_GBWR ((2 << 6) | (3 << 4) | (0 << 2) | (1)) ///< Transmit as G,B,W,R
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#define NEO_GBRW ((3 << 6) | (2 << 4) | (0 << 2) | (1)) ///< Transmit as G,B,R,W
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#define NEO_BWRG ((1 << 6) | (2 << 4) | (3 << 2) | (0)) ///< Transmit as B,W,R,G
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#define NEO_BWGR ((1 << 6) | (3 << 4) | (2 << 2) | (0)) ///< Transmit as B,W,G,R
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#define NEO_BRWG ((2 << 6) | (1 << 4) | (3 << 2) | (0)) ///< Transmit as B,R,W,G
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#define NEO_BRGW ((3 << 6) | (1 << 4) | (2 << 2) | (0)) ///< Transmit as B,R,G,W
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#define NEO_BGWR ((2 << 6) | (3 << 4) | (1 << 2) | (0)) ///< Transmit as B,G,W,R
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#define NEO_BGRW ((3 << 6) | (2 << 4) | (1 << 2) | (0)) ///< Transmit as B,G,R,W
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// Add NEO_KHZ400 to the color order value to indicate a 400 KHz device.
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// All but the earliest v1 NeoPixels expect an 800 KHz data stream, this is
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// the default if unspecified. Because flash space is very limited on ATtiny
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@ -133,80 +80,9 @@
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// but code will be bigger. Conversely, can disable the NEO_KHZ400 line on
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// other MCUs to remove v1 support and save a little space.
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#define NEO_KHZ800 0x0000 ///< 800 KHz data transmission
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#ifndef __AVR_ATtiny85__
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#define NEO_KHZ400 0x0100 ///< 400 KHz data transmission
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#endif
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// If 400 KHz support is enabled, the third parameter to the constructor
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// requires a 16-bit value (in order to select 400 vs 800 KHz speed).
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// If only 800 KHz is enabled (as is default on ATtiny), an 8-bit value
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// is sufficient to encode pixel color order, saving some space.
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#ifdef NEO_KHZ400
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typedef uint16_t neoPixelType; ///< 3rd arg to Adafruit_NeoPixel constructor
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#else
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typedef uint8_t neoPixelType; ///< 3rd arg to Adafruit_NeoPixel constructor
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#endif
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// These two tables are declared outside the Adafruit_NeoPixel class
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// because some boards may require oldschool compilers that don't
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// handle the C++11 constexpr keyword.
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/* A PROGMEM (flash mem) table containing 8-bit unsigned sine wave (0-255).
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Copy & paste this snippet into a Python REPL to regenerate:
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import math
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for x in range(256):
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print("{:3},".format(int((math.sin(x/128.0*math.pi)+1.0)*127.5+0.5))),
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if x&15 == 15: print
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*/
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static const uint8_t PROGMEM _NeoPixelSineTable[256] = {
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128, 131, 134, 137, 140, 143, 146, 149, 152, 155, 158, 162, 165, 167, 170,
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173, 176, 179, 182, 185, 188, 190, 193, 196, 198, 201, 203, 206, 208, 211,
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213, 215, 218, 220, 222, 224, 226, 228, 230, 232, 234, 235, 237, 238, 240,
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241, 243, 244, 245, 246, 248, 249, 250, 250, 251, 252, 253, 253, 254, 254,
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254, 255, 255, 255, 255, 255, 255, 255, 254, 254, 254, 253, 253, 252, 251,
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250, 250, 249, 248, 246, 245, 244, 243, 241, 240, 238, 237, 235, 234, 232,
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230, 228, 226, 224, 222, 220, 218, 215, 213, 211, 208, 206, 203, 201, 198,
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196, 193, 190, 188, 185, 182, 179, 176, 173, 170, 167, 165, 162, 158, 155,
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152, 149, 146, 143, 140, 137, 134, 131, 128, 124, 121, 118, 115, 112, 109,
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106, 103, 100, 97, 93, 90, 88, 85, 82, 79, 76, 73, 70, 67, 65,
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62, 59, 57, 54, 52, 49, 47, 44, 42, 40, 37, 35, 33, 31, 29,
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27, 25, 23, 21, 20, 18, 17, 15, 14, 12, 11, 10, 9, 7, 6,
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5, 5, 4, 3, 2, 2, 1, 1, 1, 0, 0, 0, 0, 0, 0,
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0, 1, 1, 1, 2, 2, 3, 4, 5, 5, 6, 7, 9, 10, 11,
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12, 14, 15, 17, 18, 20, 21, 23, 25, 27, 29, 31, 33, 35, 37,
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40, 42, 44, 47, 49, 52, 54, 57, 59, 62, 65, 67, 70, 73, 76,
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79, 82, 85, 88, 90, 93, 97, 100, 103, 106, 109, 112, 115, 118, 121,
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124};
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/* Similar to above, but for an 8-bit gamma-correction table.
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Copy & paste this snippet into a Python REPL to regenerate:
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import math
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gamma=2.6
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for x in range(256):
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print("{:3},".format(int(math.pow((x)/255.0,gamma)*255.0+0.5))),
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if x&15 == 15: print
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*/
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static const uint8_t PROGMEM _NeoPixelGammaTable[256] = {
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 3,
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3, 3, 3, 3, 3, 4, 4, 4, 4, 5, 5, 5, 5, 5, 6,
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6, 6, 6, 7, 7, 7, 8, 8, 8, 9, 9, 9, 10, 10, 10,
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11, 11, 11, 12, 12, 13, 13, 13, 14, 14, 15, 15, 16, 16, 17,
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17, 18, 18, 19, 19, 20, 20, 21, 21, 22, 22, 23, 24, 24, 25,
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25, 26, 27, 27, 28, 29, 29, 30, 31, 31, 32, 33, 34, 34, 35,
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36, 37, 38, 38, 39, 40, 41, 42, 42, 43, 44, 45, 46, 47, 48,
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49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63,
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64, 65, 66, 68, 69, 70, 71, 72, 73, 75, 76, 77, 78, 80, 81,
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82, 84, 85, 86, 88, 89, 90, 92, 93, 94, 96, 97, 99, 100, 102,
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103, 105, 106, 108, 109, 111, 112, 114, 115, 117, 119, 120, 122, 124, 125,
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127, 129, 130, 132, 134, 136, 137, 139, 141, 143, 145, 146, 148, 150, 152,
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154, 156, 158, 160, 162, 164, 166, 168, 170, 172, 174, 176, 178, 180, 182,
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184, 186, 188, 191, 193, 195, 197, 199, 202, 204, 206, 209, 211, 213, 215,
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218, 220, 223, 225, 227, 230, 232, 235, 237, 240, 242, 245, 247, 250, 252,
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255};
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/*!
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@brief Class that stores state and functions for interacting with
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@ -217,7 +93,7 @@ class Adafruit_NeoPixel {
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public:
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// Constructor: number of LEDs, pin number, LED type
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Adafruit_NeoPixel(uint16_t n, int16_t pin = 6,
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neoPixelType type = NEO_GRB + NEO_KHZ800);
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neoPixelType type = NEO_GRB);
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Adafruit_NeoPixel(void);
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~Adafruit_NeoPixel();
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@ -227,7 +103,6 @@ public:
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void setPixelColor(uint16_t n, uint8_t r, uint8_t g, uint8_t b);
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void setPixelColor(uint16_t n, uint8_t r, uint8_t g, uint8_t b, uint8_t w);
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void setPixelColor(uint16_t n, uint32_t c);
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void fill(uint32_t c = 0, uint16_t first = 0, uint16_t count = 0);
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void setBrightness(uint8_t);
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void clear(void);
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void updateLength(uint16_t n);
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@ -267,22 +142,7 @@ public:
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}
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return (now - endTime) >= 300L;
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}
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/*!
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@brief Get a pointer directly to the NeoPixel data buffer in RAM.
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Pixel data is stored in a device-native format (a la the NEO_*
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constants) and is not translated here. Applications that access
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this buffer will need to be aware of the specific data format
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and handle colors appropriately.
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@return Pointer to NeoPixel buffer (uint8_t* array).
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@note This is for high-performance applications where calling
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setPixelColor() on every single pixel would be too slow (e.g.
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POV or light-painting projects). There is no bounds checking
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on the array, creating tremendous potential for mayhem if one
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writes past the ends of the buffer. Great power, great
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responsibility and all that.
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*/
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uint8_t *getPixels(void) const { return pixels; };
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uint8_t getBrightness(void) const;
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/*!
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@brief Retrieve the pin number used for NeoPixel data output.
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@return Arduino pin number (-1 if not set).
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@ -293,36 +153,7 @@ public:
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@return Pixel count (0 if not set).
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*/
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uint16_t numPixels(void) const { return numLEDs; }
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uint32_t getPixelColor(uint16_t n) const;
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/*!
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@brief An 8-bit integer sine wave function, not directly compatible
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with standard trigonometric units like radians or degrees.
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@param x Input angle, 0-255; 256 would loop back to zero, completing
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the circle (equivalent to 360 degrees or 2 pi radians).
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One can therefore use an unsigned 8-bit variable and simply
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add or subtract, allowing it to overflow/underflow and it
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still does the expected contiguous thing.
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@return Sine result, 0 to 255, or -128 to +127 if type-converted to
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a signed int8_t, but you'll most likely want unsigned as this
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output is often used for pixel brightness in animation effects.
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*/
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static uint8_t sine8(uint8_t x) {
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return pgm_read_byte(&_NeoPixelSineTable[x]); // 0-255 in, 0-255 out
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}
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/*!
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@brief An 8-bit gamma-correction function for basic pixel brightness
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adjustment. Makes color transitions appear more perceptially
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correct.
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@param x Input brightness, 0 (minimum or off/black) to 255 (maximum).
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@return Gamma-adjusted brightness, can then be passed to one of the
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setPixelColor() functions. This uses a fixed gamma correction
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exponent of 2.6, which seems reasonably okay for average
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NeoPixels in average tasks. If you need finer control you'll
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need to provide your own gamma-correction function instead.
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*/
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static uint8_t gamma8(uint8_t x) {
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return pgm_read_byte(&_NeoPixelGammaTable[x]); // 0-255 in, 0-255 out
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}
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/*!
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@brief Convert separate red, green and blue values into a single
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"packed" 32-bit RGB color.
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@ -352,37 +183,10 @@ public:
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static uint32_t Color(uint8_t r, uint8_t g, uint8_t b, uint8_t w) {
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return ((uint32_t)w << 24) | ((uint32_t)r << 16) | ((uint32_t)g << 8) | b;
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}
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static uint32_t ColorHSV(uint16_t hue, uint8_t sat = 255, uint8_t val = 255);
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/*!
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@brief A gamma-correction function for 32-bit packed RGB or WRGB
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colors. Makes color transitions appear more perceptially
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correct.
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@param x 32-bit packed RGB or WRGB color.
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@return Gamma-adjusted packed color, can then be passed in one of the
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setPixelColor() functions. Like gamma8(), this uses a fixed
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gamma correction exponent of 2.6, which seems reasonably okay
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for average NeoPixels in average tasks. If you need finer
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control you'll need to provide your own gamma-correction
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function instead.
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*/
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static uint32_t gamma32(uint32_t x);
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void rainbow(uint16_t first_hue = 0, int8_t reps = 1,
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uint8_t saturation = 255, uint8_t brightness = 255,
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bool gammify = true);
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static neoPixelType str2order(const char *v);
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private:
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#if defined(ARDUINO_ARCH_RP2040)
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void rp2040Init(uint8_t pin, bool is800KHz);
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void rp2040Show(uint8_t pin, uint8_t *pixels, uint32_t numBytes, bool is800KHz);
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#endif
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protected:
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#ifdef NEO_KHZ400 // If 400 KHz NeoPixel support enabled...
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bool is800KHz; ///< true if 800 KHz pixels
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#endif
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bool begun; ///< true if begin() previously called
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uint16_t numLEDs; ///< Number of RGB LEDs in strip
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uint16_t numBytes; ///< Size of 'pixels' buffer below
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@ -394,19 +198,6 @@ protected:
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uint8_t bOffset; ///< Index of blue byte
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uint8_t wOffset; ///< Index of white (==rOffset if no white)
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uint32_t endTime; ///< Latch timing reference
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#ifdef __AVR__
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volatile uint8_t *port; ///< Output PORT register
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uint8_t pinMask; ///< Output PORT bitmask
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#endif
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#if defined(ARDUINO_ARCH_STM32) || defined(ARDUINO_ARCH_ARDUINO_CORE_STM32)
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GPIO_TypeDef *gpioPort; ///< Output GPIO PORT
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uint32_t gpioPin; ///< Output GPIO PIN
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#endif
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#if defined(ARDUINO_ARCH_RP2040)
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PIO pio = pio0;
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int sm = 0;
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bool init = true;
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#endif
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};
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#endif // ADAFRUIT_NEOPIXEL_H
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@ -17,17 +17,9 @@
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* limitations under the License.
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*/
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#if defined(ESP32)
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#include <Arduino.h>
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#include "driver/rmt.h"
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#if defined(ESP_IDF_VERSION)
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#if ESP_IDF_VERSION >= ESP_IDF_VERSION_VAL(4, 0, 0)
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#define HAS_ESP_IDF_4
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#endif
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#endif
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// This code is adapted from the ESP-IDF v3.4 RMT "led_strip" example, altered
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// to work with the Arduino version of the ESP-IDF (3.2)
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@ -36,26 +28,11 @@
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#define WS2812_T1H_NS (800)
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#define WS2812_T1L_NS (450)
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#define WS2811_T0H_NS (500)
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#define WS2811_T0L_NS (2000)
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#define WS2811_T1H_NS (1200)
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#define WS2811_T1L_NS (1300)
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static uint32_t t0h_ticks = 0;
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static uint32_t t1h_ticks = 0;
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static uint32_t t0l_ticks = 0;
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static uint32_t t1l_ticks = 0;
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// Limit the number of RMT channels available for the Neopixels. Defaults to all
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// channels (8 on ESP32, 4 on ESP32-S2 and S3). Redefining this value will free
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// any channels with a higher number for other uses, such as IR send-and-recieve
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// libraries. Redefine as 1 to restrict Neopixels to only a single channel.
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#define ADAFRUIT_RMT_CHANNEL_MAX RMT_CHANNEL_MAX
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#define RMT_LL_HW_BASE (&RMT)
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bool rmt_reserved_channels[ADAFRUIT_RMT_CHANNEL_MAX];
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static void IRAM_ATTR ws2812_rmt_adapter(const void* src, rmt_item32_t* dest, size_t src_size, size_t wanted_num,
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size_t* translated_size, size_t* item_num) {
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if (src == NULL || dest == NULL) {
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@ -88,68 +65,30 @@ static void IRAM_ATTR ws2812_rmt_adapter(const void* src, rmt_item32_t* dest, si
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}
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static bool rmt_initialized = false;
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static bool rmt_adapter_initialized = false;
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void espShow(uint8_t pin, uint8_t* pixels, uint32_t numBytes, boolean is800KHz) {
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void espShow(uint8_t pin, uint8_t* pixels, uint32_t numBytes) {
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if (rmt_initialized == false) {
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// Reserve channel
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rmt_channel_t channel = 0;
|
||||
|
||||
#if defined(HAS_ESP_IDF_4)
|
||||
rmt_config_t config = RMT_DEFAULT_CONFIG_TX(pin, channel);
|
||||
config.clk_div = 2;
|
||||
#else
|
||||
// Match default TX config from ESP-IDF version 3.4
|
||||
rmt_config_t config = {.rmt_mode = RMT_MODE_TX,
|
||||
.channel = channel,
|
||||
.gpio_num = pin,
|
||||
.clk_div = 2,
|
||||
.mem_block_num = 1,
|
||||
.tx_config = {
|
||||
.carrier_freq_hz = 38000,
|
||||
.carrier_level = RMT_CARRIER_LEVEL_HIGH,
|
||||
.idle_level = RMT_IDLE_LEVEL_LOW,
|
||||
.carrier_duty_percent = 33,
|
||||
.carrier_en = false,
|
||||
.loop_en = false,
|
||||
.idle_output_en = true,
|
||||
}};
|
||||
#endif
|
||||
|
||||
rmt_config(&config);
|
||||
rmt_driver_install(config.channel, 0, 0);
|
||||
|
||||
// Convert NS timings to ticks
|
||||
uint32_t counter_clk_hz = 0;
|
||||
|
||||
#if defined(HAS_ESP_IDF_4)
|
||||
rmt_get_counter_clock(channel, &counter_clk_hz);
|
||||
#else
|
||||
// this emulates the rmt_get_counter_clock() function from ESP-IDF 3.4
|
||||
if (RMT_LL_HW_BASE->conf_ch[config.channel].conf1.ref_always_on == RMT_BASECLK_REF) {
|
||||
uint32_t div_cnt = RMT_LL_HW_BASE->conf_ch[config.channel].conf0.div_cnt;
|
||||
uint32_t div = div_cnt == 0 ? 256 : div_cnt;
|
||||
counter_clk_hz = REF_CLK_FREQ / (div);
|
||||
} else {
|
||||
uint32_t div_cnt = RMT_LL_HW_BASE->conf_ch[config.channel].conf0.div_cnt;
|
||||
uint32_t div = div_cnt == 0 ? 256 : div_cnt;
|
||||
counter_clk_hz = APB_CLK_FREQ / (div);
|
||||
}
|
||||
#endif
|
||||
|
||||
// NS to tick converter
|
||||
float ratio = (float)counter_clk_hz / 1e9;
|
||||
|
||||
if (is800KHz) {
|
||||
t0h_ticks = (uint32_t)(ratio * WS2812_T0H_NS);
|
||||
t0l_ticks = (uint32_t)(ratio * WS2812_T0L_NS);
|
||||
t1h_ticks = (uint32_t)(ratio * WS2812_T1H_NS);
|
||||
t1l_ticks = (uint32_t)(ratio * WS2812_T1L_NS);
|
||||
} else {
|
||||
t0h_ticks = (uint32_t)(ratio * WS2811_T0H_NS);
|
||||
t0l_ticks = (uint32_t)(ratio * WS2811_T0L_NS);
|
||||
t1h_ticks = (uint32_t)(ratio * WS2811_T1H_NS);
|
||||
t1l_ticks = (uint32_t)(ratio * WS2811_T1L_NS);
|
||||
}
|
||||
t0h_ticks = (uint32_t)(ratio * WS2812_T0H_NS);
|
||||
t0l_ticks = (uint32_t)(ratio * WS2812_T0L_NS);
|
||||
t1h_ticks = (uint32_t)(ratio * WS2812_T1H_NS);
|
||||
t1l_ticks = (uint32_t)(ratio * WS2812_T1L_NS);
|
||||
|
||||
// Initialize automatic timing translator
|
||||
rmt_translator_init(0, ws2812_rmt_adapter);
|
||||
|
|
@ -159,5 +98,3 @@ void espShow(uint8_t pin, uint8_t* pixels, uint32_t numBytes, boolean is800KHz)
|
|||
// Write and wait to finish
|
||||
rmt_write_sample(0, pixels, (size_t)numBytes, false);
|
||||
}
|
||||
|
||||
#endif
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue