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Initial NeoPixel Support

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seiichiro 2021-03-02 17:57:20 +01:00
parent d38b72ef46
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5 changed files with 1693 additions and 4 deletions
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GNU LESSER GENERAL PUBLIC LICENSE
Version 3, 29 June 2007
Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/>
Everyone is permitted to copy and distribute verbatim copies
of this license document, but changing it is not allowed.
This version of the GNU Lesser General Public License incorporates
the terms and conditions of version 3 of the GNU General Public
License, supplemented by the additional permissions listed below.
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1151
lib/tinyNeoPixel_Static/tinyNeoPixel_Static.cpp Normal file
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lib/tinyNeoPixel_Static/tinyNeoPixel_Static.h Normal file
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/*--------------------------------------------------------------------
This file is part of the tinyNeoPixel library, derived from
Adafruit_NeoPixel.
NeoPixel is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as
published by the Free Software Foundation, either version 3 of
the License, or (at your option) any later version.
NeoPixel is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with NeoPixel. If not, see
<http://www.gnu.org/licenses/>.
--------------------------------------------------------------------*/
// *INDENT-OFF* astyle hates this file
// *PAD-OFF* and destroys the lookup tables!
#ifndef TINYNEOPIXEL_H
#define TINYNEOPIXEL_H
#include <Arduino.h>
#if (__AVR_ARCH__ < 100)
#error "This version of the library only supports AVRxt parts (tinyAVR 0/1/2-series, megaAVR 0-series and the AVR DA/DB/DD parts. For tinyNeoPixel, for classic AVR, get from ATTinyCore package"
#endif
// The order of primary colors in the NeoPixel data stream can vary
// among device types, manufacturers and even different revisions of
// the same item. The third parameter to the Adafruit_NeoPixel
// constructor encodes the per-pixel byte offsets of the red, green
// and blue primaries (plus white, if present) in the data stream --
// the following #defines provide an easier-to-use named version for
// each permutation. e.g. NEO_GRB indicates a NeoPixel-compatible
// device expecting three bytes per pixel, with the first byte
// containing the green value, second containing red and third
// containing blue. The in-memory representation of a chain of
// NeoPixels is the same as the data-stream order; no re-ordering of
// bytes is required when issuing data to the chain.
// Bits 5,4 of this value are the offset (0-3) from the first byte of
// a pixel to the location of the red color byte. Bits 3,2 are the
// green offset and 1,0 are the blue offset. If it is an RGBW-type
// device (supporting a white primary in addition to R,G,B), bits 7,6
// are the offset to the white byte...otherwise, bits 7,6 are set to
// the same value as 5,4 (red) to indicate an RGB (not RGBW) device.
// i.e. binary representation:
// 0bWWRRGGBB for RGBW devices
// 0bRRRRGGBB for RGB
// RGB NeoPixel permutations; white and red offsets are always same
// Offset: W R G B
#define NEO_RGB ((0 << 6) | (0 << 4) | (1 << 2) | (2))
#define NEO_RBG ((0 << 6) | (0 << 4) | (2 << 2) | (1))
#define NEO_GRB ((1 << 6) | (1 << 4) | (0 << 2) | (2))
#define NEO_GBR ((2 << 6) | (2 << 4) | (0 << 2) | (1))
#define NEO_BRG ((1 << 6) | (1 << 4) | (2 << 2) | (0))
#define NEO_BGR ((2 << 6) | (2 << 4) | (1 << 2) | (0))
// RGBW NeoPixel permutations; all 4 offsets are distinct
// Offset: W R G B
#define NEO_WRGB ((0 << 6) | (1 << 4) | (2 << 2) | (3))
#define NEO_WRBG ((0 << 6) | (1 << 4) | (3 << 2) | (2))
#define NEO_WGRB ((0 << 6) | (2 << 4) | (1 << 2) | (3))
#define NEO_WGBR ((0 << 6) | (3 << 4) | (1 << 2) | (2))
#define NEO_WBRG ((0 << 6) | (2 << 4) | (3 << 2) | (1))
#define NEO_WBGR ((0 << 6) | (3 << 4) | (2 << 2) | (1))
#define NEO_RWGB ((1 << 6) | (0 << 4) | (2 << 2) | (3))
#define NEO_RWBG ((1 << 6) | (0 << 4) | (3 << 2) | (2))
#define NEO_RGWB ((2 << 6) | (0 << 4) | (1 << 2) | (3))
#define NEO_RGBW ((3 << 6) | (0 << 4) | (1 << 2) | (2))
#define NEO_RBWG ((2 << 6) | (0 << 4) | (3 << 2) | (1))
#define NEO_RBGW ((3 << 6) | (0 << 4) | (2 << 2) | (1))
#define NEO_GWRB ((1 << 6) | (2 << 4) | (0 << 2) | (3))
#define NEO_GWBR ((1 << 6) | (3 << 4) | (0 << 2) | (2))
#define NEO_GRWB ((2 << 6) | (1 << 4) | (0 << 2) | (3))
#define NEO_GRBW ((3 << 6) | (1 << 4) | (0 << 2) | (2))
#define NEO_GBWR ((2 << 6) | (3 << 4) | (0 << 2) | (1))
#define NEO_GBRW ((3 << 6) | (2 << 4) | (0 << 2) | (1))
#define NEO_BWRG ((1 << 6) | (2 << 4) | (3 << 2) | (0))
#define NEO_BWGR ((1 << 6) | (3 << 4) | (2 << 2) | (0))
#define NEO_BRWG ((2 << 6) | (1 << 4) | (3 << 2) | (0))
#define NEO_BRGW ((3 << 6) | (1 << 4) | (2 << 2) | (0))
#define NEO_BGWR ((2 << 6) | (3 << 4) | (1 << 2) | (0))
#define NEO_BGRW ((3 << 6) | (2 << 4) | (1 << 2) | (0))
#define NEO_KHZ800 0x0000 ///< 800 KHz data transmission
// 400 kHz neopixels are virtually absent from the market today
// They are not supported.
// These two tables are declared outside the Adafruit_NeoPixel class
// because some boards may require oldschool compilers that don't
// handle the C++11 constexpr keyword.
/* A pre-calculated 8-bit sine look-up table stored in flash for use
with the sine8() function. This is apparently of use in some animation
algorithms. If __AVR_ARCH__==103, then all of the flash is memory
mapped, and we can simply declare it const, access it like a
normal variable, and it won't be copied to RAM.
AVRxt devices with too much flash for all of it to be mapped
which includes the AVR64Dx and AVR128Dx parts. DxCore defines a
.section for the area of PROGMEM that is mapped by default, and
a MAPPED_PROGMEM macro. A variable declared const MAPPED_PROGMEM can
be accessed normally, but will be stored in the flash and not copied to RAM.
Finally, if neither of those are an option - it gets declared with PROGMEM
Copy & paste this snippet into a Python REPL to regenerate:
import math
for x in range(256):
print("{:3},".format(int((math.sin(x/128.0*math.pi)+1.0)*127.5+0.5))),
if x&15 == 15: print
*/
#if (__AVR_ARCH__==103)
// All out flash is mapped - yay!
static const uint8_t _NeoPixelSineTable[256] = {
#elif defined(MAPPED_PROGMEM)
// Some of it is - but we can put stuff there - yay!
static const uint8_t MAPPED_PROGMEM _NeoPixelSineTable[256] = {
#else
// Back to progmem...
static const uint8_t PROGMEM _NeoPixelSineTable[256] = {
#endif
128,131,134,137,140,143,146,149,152,155,158,162,165,167,170,173,
176,179,182,185,188,190,193,196,198,201,203,206,208,211,213,215,
218,220,222,224,226,228,230,232,234,235,237,238,240,241,243,244,
245,246,248,249,250,250,251,252,253,253,254,254,254,255,255,255,
255,255,255,255,254,254,254,253,253,252,251,250,250,249,248,246,
245,244,243,241,240,238,237,235,234,232,230,228,226,224,222,220,
218,215,213,211,208,206,203,201,198,196,193,190,188,185,182,179,
176,173,170,167,165,162,158,155,152,149,146,143,140,137,134,131,
128,124,121,118,115,112,109,106,103,100, 97, 93, 90, 88, 85, 82,
79, 76, 73, 70, 67, 65, 62, 59, 57, 54, 52, 49, 47, 44, 42, 40,
37, 35, 33, 31, 29, 27, 25, 23, 21, 20, 18, 17, 15, 14, 12, 11,
10, 9, 7, 6, 5, 5, 4, 3, 2, 2, 1, 1, 1, 0, 0, 0,
0, 0, 0, 0, 1, 1, 1, 2, 2, 3, 4, 5, 5, 6, 7, 9,
10, 11, 12, 14, 15, 17, 18, 20, 21, 23, 25, 27, 29, 31, 33, 35,
37, 40, 42, 44, 47, 49, 52, 54, 57, 59, 62, 65, 67, 70, 73, 76,
79, 82, 85, 88, 90, 93, 97,100,103,106,109,112,115,118,121,124};
/* Similar to above, but for an 8-bit gamma-correction table.
Copy & paste this snippet into a Python REPL to regenerate:
import math
gamma=2.6
for x in range(256):
print("{:3},".format(int(math.pow((x)/255.0,gamma)*255.0+0.5))),
if x&15 == 15: print
*/
#if (__AVR_ARCH__==103)
// All our flash is mapped - yay!
static const uint8_t _NeoPixelGammaTable[256] = {
#elif defined(MAPPED_PROGMEM)
// Some of it is - but we can put stuff there - yay!
static const uint8_t MAPPED_PROGMEM _NeoPixelGammaTable[256] = {
#else
// Back to progmem...
static const uint8_t PROGMEM _NeoPixelGammaTable[256] = {
#endif
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3,
3, 3, 4, 4, 4, 4, 5, 5, 5, 5, 5, 6, 6, 6, 6, 7,
7, 7, 8, 8, 8, 9, 9, 9, 10, 10, 10, 11, 11, 11, 12, 12,
13, 13, 13, 14, 14, 15, 15, 16, 16, 17, 17, 18, 18, 19, 19, 20,
20, 21, 21, 22, 22, 23, 24, 24, 25, 25, 26, 27, 27, 28, 29, 29,
30, 31, 31, 32, 33, 34, 34, 35, 36, 37, 38, 38, 39, 40, 41, 42,
42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57,
58, 59, 60, 61, 62, 63, 64, 65, 66, 68, 69, 70, 71, 72, 73, 75,
76, 77, 78, 80, 81, 82, 84, 85, 86, 88, 89, 90, 92, 93, 94, 96,
97, 99,100,102,103,105,106,108,109,111,112,114,115,117,119,120,
122,124,125,127,129,130,132,134,136,137,139,141,143,145,146,148,
150,152,154,156,158,160,162,164,166,168,170,172,174,176,178,180,
182,184,186,188,191,193,195,197,199,202,204,206,209,211,213,215,
218,220,223,225,227,230,232,235,237,240,242,245,247,250,252,255};
typedef uint8_t neoPixelType;
class tinyNeoPixel {
public:
// Constructor: number of LEDs, pin number, LED type
tinyNeoPixel(uint16_t n, uint8_t p, neoPixelType t, uint8_t *pxl);
~tinyNeoPixel();
void
show(void),
setPin(uint8_t p),
setPixelColor(uint16_t n, uint8_t r, uint8_t g, uint8_t b),
setPixelColor(uint16_t n, uint8_t r, uint8_t g, uint8_t b, uint8_t w),
setPixelColor(uint16_t n, uint32_t c),
fill(uint32_t c=0, uint16_t first=0, uint16_t count=0),
setBrightness(uint8_t b),
clear();
uint8_t
*getPixels(void) const,
getBrightness(void) const;
uint16_t
numPixels(void) const;
uint32_t
getPixelColor(uint16_t n) const;
uint8_t getPin(void) { return pin; }
void begin(void) {return;}
/*!
@brief An 8-bit integer sine wave function, not directly compatible
with standard trigonometric units like radians or degrees.
@param x Input angle, 0-255; 256 would loop back to zero, completing
the circle (equivalent to 360 degrees or 2 pi radians).
One can therefore use an unsigned 8-bit variable and simply
add or subtract, allowing it to overflow/underflow and it
still does the expected contiguous thing.
@return Sine result, 0 to 255, or -128 to +127 if type-converted to
a signed int8_t, but you'll most likely want unsigned as this
output is often used for pixel brightness in animation effects.
*/
static uint8_t sine8(uint8_t x) { // 0-255 in, 0-255 out
#if (__AVR_ARCH__==103 || defined(MAPPED_PROGMEM))
return _NeoPixelSineTable[x];
#else // We had to put it in PROGMEM, and that's how we get it out
return pgm_read_byte(&_NeoPixelSineTable[x]); // 0-255 in, 0-255 out
#endif
}
/*!
@brief An 8-bit gamma-correction function for basic pixel brightness
adjustment. Makes color transitions appear more perceptially
correct.
@param x Input brightness, 0 (minimum or off/black) to 255 (maximum).
@return Gamma-adjusted brightness, can then be passed to one of the
setPixelColor() functions. This uses a fixed gamma correction
exponent of 2.6, which seems reasonably okay for average
NeoPixels in average tasks. If you need finer control you'll
need to provide your own gamma-correction function instead.
*/
static uint8_t gamma8(uint8_t x) {
#if (__AVR_ARCH__==103 || defined(MAPPED_PROGMEM))
return _NeoPixelGammaTable[x];
#else
return pgm_read_byte(&_NeoPixelGammaTable[x]);
#endif
}
/*!
@brief Convert separate red, green and blue values into a single
"packed" 32-bit RGB color.
@param r Red brightness, 0 to 255.
@param g Green brightness, 0 to 255.
@param b Blue brightness, 0 to 255.
@return 32-bit packed RGB value, which can then be assigned to a
variable for later use or passed to the setPixelColor()
function. Packed RGB format is predictable, regardless of
LED strand color order.
*/
static uint32_t Color(uint8_t r, uint8_t g, uint8_t b) {
return ((uint32_t)r << 16) | ((uint32_t)g << 8) | b;
}
/*!
@brief Convert separate red, green, blue and white values into a
single "packed" 32-bit WRGB color.
@param r Red brightness, 0 to 255.
@param g Green brightness, 0 to 255.
@param b Blue brightness, 0 to 255.
@param w White brightness, 0 to 255.
@return 32-bit packed WRGB value, which can then be assigned to a
variable for later use or passed to the setPixelColor()
function. Packed WRGB format is predictable, regardless of
LED strand color order.
*/
static uint32_t Color(uint8_t r, uint8_t g, uint8_t b, uint8_t w) {
return ((uint32_t)w << 24) | ((uint32_t)r << 16) | ((uint32_t)g << 8) | b;
}
static uint32_t ColorHSV(uint16_t hue, uint8_t sat=255, uint8_t val=255);
/*!
@brief A gamma-correction function for 32-bit packed RGB or WRGB
colors. Makes color transitions appear more perceptially
correct.
@param x 32-bit packed RGB or WRGB color.
@return Gamma-adjusted packed color, can then be passed in one of the
setPixelColor() functions. Like gamma8(), this uses a fixed
gamma correction exponent of 2.6, which seems reasonably okay
for average NeoPixels in average tasks. If you need finer
control you'll need to provide your own gamma-correction
function instead.
*/
static uint32_t gamma32(uint32_t x);
#if (!defined(DISABLEMILLIS) && !defined(MILLIS_USE_TIMERRTC) && !defined(MILLIS_USE_TIMERRTC_XTAL) && !defined(MILLIS_USE_TIMERRTC_XOSC))
inline bool canShow(void) { return (micros() - endTime) >= 50L; }
#else
inline bool canShow(void) {return 1;} //we don't have micros here;
#endif
private:
uint16_t
numLEDs, // Number of RGB LEDs in strip
numBytes; // Size of 'pixels' buffer below (3 or 4 bytes/pixel)
int8_t
pin; // Output pin number (-1 if not yet set)
uint8_t
brightness,
*pixels, // Holds LED color values (3 or 4 bytes each)
rOffset, // Index of red byte within each 3- or 4-byte pixel
gOffset, // Index of green byte
bOffset, // Index of blue byte
wOffset; // Index of white byte (same as rOffset if no white)
uint32_t
endTime; // Latch timing reference
volatile uint8_t
*port; // Output PORT register
uint8_t
pinMask; // Output PORT bitmask
};
#endif // TINYNEOPIXEL_H

2
platformio.ini
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@ -14,7 +14,7 @@ board = ATtiny3216
framework = arduino
# Board Config
board_build.f_cpu = 5000000L
board_build.f_cpu = 8000000L
board_hardware.oscillator = internal
board_hardware.bod = disabled

50
src/main.cpp
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@ -31,6 +31,14 @@ void blink(uint8_t num) {
#define BLINK_LED(COUNT)
#endif
// WS2812B
#include <tinyNeoPixel_Static.h>
#define WS_NUM_PIXELS 2
byte pixels[WS_NUM_PIXELS * 3];
tinyNeoPixel leds = tinyNeoPixel(WS_NUM_PIXELS, PIN_PC1, NEO_GRB, pixels);
#if defined HAS_NO_SENSOR
struct lora_data {
uint8_t bat;
@ -75,7 +83,7 @@ const lmic_pinmap lmic_pins = {
// List of unused Pins - will be disabled for Power Saving
#if defined DEBUG || defined HAS_SG112A || defined HAS_MHZ19C
const int disabledPins[] = {PIN_PB5, PIN_PB4, PIN_PB1, PIN_PB0, PIN_PC3, PIN_PC2, PIN_PC1, PIN_PC0};
const int disabledPins[] = {PIN_PB5, PIN_PB4, PIN_PB1, PIN_PB0, PIN_PC3, PIN_PC2, PIN_PC0};
#else
const int disabledPins[] = {PIN_PB5, PIN_PB4, PIN_PB3, PIN_PB2, PIN_PB1, PIN_PB0, PIN_PC3, PIN_PC2, PIN_PC1, PIN_PC0};
#endif
@ -109,12 +117,21 @@ void onEvent(ev_t ev) {
case EV_JOINED:
// Disable LinkCheck
LMIC_setLinkCheckMode(0);
BLINK_LED(2);
leds.setPixelColor(1, leds.Color(0,127,0));
leds.show();
delay(1000);
leds.setPixelColor(1, leds.Color(0,0,0));
leds.show();
DEBUG_PRINTLN("OTAA Join Succeeded");
break;
case EV_TXCOMPLETE:
// Check for Downlink
DEBUG_PRINTLN("LoRa Packet Sent");
leds.setPixelColor(1, leds.Color(0,127,0));
leds.show();
delay(100);
leds.setPixelColor(1, leds.Color(0,0,0));
leds.show();
if ((int)LMIC.dataLen == 2) {
// We got a Packet with the right size - lets assemble it into a uint16_t
DEBUG_PRINTLN("Received Downlink")
@ -123,6 +140,11 @@ void onEvent(ev_t ev) {
DEBUG_PRINTLN(tmpslp);
sleep_time = tmpslp;
EEPROM.put(ADDR_SLP, tmpslp);
leds.setPixelColor(1, leds.Color(0,0,127));
leds.show();
delay(250);
leds.setPixelColor(1, leds.Color(0,0,0));
leds.show();
}
// Got to sleep for specified Time
@ -169,6 +191,25 @@ void do_send(osjob_t* j) {
// Get Sensor Readings Into Data Paket
#ifndef HAS_NO_SENSOR
sensor.getSensorData(data);
// ppm_level
// 0 -> < 1000 ppm green
// 1 -> < 1800 ppm yellow
// 2 -> > 1000 ppm red
if (data.ppm > 0 && data.ppm <= 1000) {
leds.setPixelColor(0, leds.Color(0,127,0));
leds.show();
} else if (data.ppm > 1000 && data.ppm <= 1800) {
leds.setPixelColor(0, leds.Color(127,127,0));
leds.show();
} else if (data.ppm > 1800) {
leds.setPixelColor(0, leds.Color(127,0,0));
leds.show();
} else {
leds.setPixelColor(0, leds.Color(0,0,0));
leds.show();
}
#endif
// Queue Packet for Sending
@ -186,6 +227,9 @@ void setup()
Wire.begin();
SPI.begin();
pinMode(PIN_PC1, OUTPUT);
leds.setBrightness(127);
// Disable unused Pins (for power saving)
for (int i = 0; i < (sizeof(disabledPins) / sizeof(disabledPins[0])) - 1; i++)
pinMode(disabledPins[i], INPUT_PULLUP);
@ -225,6 +269,8 @@ void setup()
DEBUG_PRINTLN("Setup Finished");
// Schedule First Send (Triggers OTAA Join as well)
leds.setPixelColor(1, leds.Color(127, 127, 0));
leds.show();
do_send(&sendjob);
}