mirror of
https://github.com/dustinbrun/ATtiny_Garden-Lamp
synced 2025-09-06 01:07:30 +02:00
Version 1
This commit is contained in:
134
code/code.ino
Normal file
134
code/code.ino
Normal file
@@ -0,0 +1,134 @@
|
||||
/*
|
||||
ATtiny 13 WS2812B-LED Fire-Effect Garden Lamp
|
||||
Author: dustinbrun
|
||||
licensed under CC BY 4.0
|
||||
|
||||
Version 03.2021
|
||||
|
||||
|
||||
Make sure to Set in the Board Settings:
|
||||
Processor-Speed to 9.6 Mhz
|
||||
Millis, Tone Support to "No Millis, No Tone"
|
||||
After that Press "Burn Bootloader" to make sure that these Settings are applied
|
||||
|
||||
|
||||
----------------------------- !!!! Configuration can be done in the "config.h file !!!! -----------------------------------------
|
||||
|
||||
*/
|
||||
|
||||
#include "light_ws2812.c"
|
||||
#include "light_ws2812.h"
|
||||
#include "random_avr.h"
|
||||
#include "random_avr.c"
|
||||
#include "config.h"
|
||||
|
||||
|
||||
bool on = true;
|
||||
bool was_on = true;
|
||||
volatile unsigned long counter = 0;// interrupt needs volatile variable
|
||||
|
||||
struct pix
|
||||
{
|
||||
uint8_t g;
|
||||
uint8_t r;
|
||||
uint8_t b;
|
||||
};
|
||||
pix pixel[PIXEL_NUM];
|
||||
|
||||
|
||||
ISR(TIMER0_OVF_vect) {
|
||||
/*
|
||||
Timer Configuration:
|
||||
Prescaler 1024, CPU-Speed 9,6MHz = 9600000 Hz
|
||||
|
||||
Interrupt is called with a Frequency of: 9600000Hz/1024/256 = 36,6Hz
|
||||
so every --> 0,027s <---
|
||||
|
||||
*/
|
||||
counter++;
|
||||
}
|
||||
|
||||
|
||||
void setup()
|
||||
{
|
||||
|
||||
random_init(0xabcd); // initialize 16 bit seed
|
||||
pinMode(LDR_pin, INPUT);
|
||||
pinMode(2, OUTPUT);
|
||||
|
||||
//Interrupt Setup
|
||||
cli(); // Clear interrupts, just to make sure
|
||||
TCCR0B |= (1 << CS02) | (1 << CS00); // set prescale timer to 1/1024th, set CS02 and CS00 bit in TCCR0B
|
||||
TIMSK0 |= 1 << TOIE0; // enable timer overflow interrupt, left shift 1 to TOIE0 and OR with TIMSK
|
||||
sei(); //start timer
|
||||
|
||||
}
|
||||
|
||||
void loop()
|
||||
{
|
||||
|
||||
if (analogRead(LDR_pin) < on_val && !was_on)
|
||||
{
|
||||
on = true;
|
||||
was_on = true;
|
||||
counter = 0;
|
||||
}
|
||||
|
||||
if (analogRead(LDR_pin) > off_val && was_on)
|
||||
{
|
||||
on = false;
|
||||
was_on = false;
|
||||
counter = 0;
|
||||
|
||||
for (int i = 0; i < PIXEL_NUM; i++)
|
||||
{
|
||||
pixel[i].r = day_red;
|
||||
pixel[i].g = day_green;
|
||||
pixel[i].b = day_blue;
|
||||
}
|
||||
ws2812_setleds((struct cRGB *)pixel, PIXEL_NUM);
|
||||
}
|
||||
|
||||
if (counter > max_on_time && on)
|
||||
{
|
||||
on = false;
|
||||
counter = 0;
|
||||
|
||||
for (int i = 0; i < PIXEL_NUM; i++)
|
||||
{
|
||||
pixel[i].r = timeout_red;
|
||||
pixel[i].g = timeout_green;
|
||||
pixel[i].b = timeout_blue;
|
||||
}
|
||||
ws2812_setleds((struct cRGB *)pixel, PIXEL_NUM);
|
||||
}
|
||||
|
||||
|
||||
if (on)
|
||||
{
|
||||
|
||||
// Flicker, based on our initial RGB values
|
||||
int flicker = random_avr() % indensity;
|
||||
int f_red = red - flicker;
|
||||
int f_green = green - flicker;
|
||||
int f_blue = blue - flicker;
|
||||
if (f_red < 0) f_red = 0;
|
||||
if (f_green < 0) f_green = 0;
|
||||
if (f_blue < 0) f_blue = 0;
|
||||
|
||||
for (int i = 0; i < PIXEL_NUM; i++)
|
||||
{
|
||||
pixel[i].r = f_red;
|
||||
pixel[i].g = f_green;
|
||||
pixel[i].b = f_blue;
|
||||
}
|
||||
ws2812_setleds((struct cRGB *)pixel, PIXEL_NUM);
|
||||
|
||||
delay(400 - random_avr() % d_delay);
|
||||
}
|
||||
else
|
||||
{
|
||||
counter = 0;
|
||||
}
|
||||
|
||||
}
|
||||
67
code/config.h
Normal file
67
code/config.h
Normal file
@@ -0,0 +1,67 @@
|
||||
/*
|
||||
* ----------------------------------------
|
||||
* ------ Configuration Options -----------
|
||||
* ----------------------------------------
|
||||
*/
|
||||
|
||||
|
||||
|
||||
int on_val = 400; //LDR Value below that to switch the Light on
|
||||
int off_val = 500; //LDR Value above that to switch the Light off
|
||||
unsigned long max_on_time = 666666; // Calculation: ('on_time_in_minutes' * 60) / 0.027
|
||||
//Example: 5h (=300min) ON-time: max_on_time = (300 * 60) / 0.027 = 666666
|
||||
#define PIXEL_NUM 3 //Ammount of WS2812 LEDs
|
||||
|
||||
/*
|
||||
* ----------------------------------------
|
||||
* ---------- Colour Settings -------------
|
||||
* ----------------------------------------
|
||||
*/
|
||||
|
||||
//----------- Flickering Effect -----------
|
||||
//Default Colours
|
||||
int red = 255;
|
||||
int green = 70;
|
||||
int blue = 20;
|
||||
|
||||
// Purple flame:
|
||||
// int red = 158, green = 8, blue = 148;
|
||||
// Green flame:
|
||||
//int red = 74, green = 150, blue = 12;
|
||||
|
||||
int indensity = 40; // Maximum Flickering offset
|
||||
int d_delay = 300; // Maximum Delay offset
|
||||
|
||||
|
||||
// ----- colour after timeout ----
|
||||
// This is the Colour with which the leds light up, after the timeout (max_on_time) is reached until it gets light again
|
||||
// If you want it to be off, set all values to 0
|
||||
int timeout_red = 0;
|
||||
int timeout_green = 0;
|
||||
int timeout_blue = 5;
|
||||
|
||||
|
||||
// ------ color throughout the day -------
|
||||
// This is the Colour with which the leds light up, when the LDR detects daylight
|
||||
int day_red = 0;
|
||||
int day_green = 0;
|
||||
int day_blue = 0;
|
||||
|
||||
|
||||
|
||||
|
||||
/*
|
||||
* ----------------------------------------
|
||||
* ---------------- Pins ------------------
|
||||
* ----------------------------------------
|
||||
*/
|
||||
|
||||
#define LDR_pin A3
|
||||
// Pin Defintion for LEDs in the light_ws2812.h File as "ws2812_pin" variable
|
||||
|
||||
|
||||
/*
|
||||
* ----------------------------------------
|
||||
* ---------- End of config ---------------
|
||||
* ----------------------------------------
|
||||
*/
|
||||
181
code/light_ws2812.c
Normal file
181
code/light_ws2812.c
Normal file
@@ -0,0 +1,181 @@
|
||||
/*
|
||||
* light weight WS2812 lib V2.0b
|
||||
*
|
||||
* Controls WS2811/WS2812/WS2812B RGB-LEDs
|
||||
* Author: Tim (cpldcpu@gmail.com)
|
||||
*
|
||||
* Jan 18th, 2014 v2.0b Initial Version
|
||||
* Nov 29th, 2015 v2.3 Added SK6812RGBW support
|
||||
*
|
||||
* License: GNU GPL v2+ (see License.txt)
|
||||
*/
|
||||
|
||||
#include "light_ws2812.h"
|
||||
#include <avr/interrupt.h>
|
||||
#include <avr/io.h>
|
||||
#include <util/delay.h>
|
||||
|
||||
// Setleds for standard RGB
|
||||
void inline ws2812_setleds(struct cRGB *ledarray, uint16_t leds)
|
||||
{
|
||||
ws2812_setleds_pin(ledarray, leds, _BV(ws2812_pin));
|
||||
}
|
||||
|
||||
void inline ws2812_setleds_pin(struct cRGB *ledarray, uint16_t leds, uint8_t pinmask)
|
||||
{
|
||||
ws2812_sendarray_mask((uint8_t *)ledarray, leds + leds + leds, pinmask);
|
||||
_delay_us(ws2812_resettime);
|
||||
}
|
||||
|
||||
// Setleds for SK6812RGBW
|
||||
void inline ws2812_setleds_rgbw(struct cRGBW *ledarray, uint16_t leds)
|
||||
{
|
||||
ws2812_sendarray_mask((uint8_t *)ledarray, leds << 2, _BV(ws2812_pin));
|
||||
_delay_us(ws2812_resettime);
|
||||
}
|
||||
|
||||
void ws2812_sendarray(uint8_t *data, uint16_t datlen)
|
||||
{
|
||||
ws2812_sendarray_mask(data, datlen, _BV(ws2812_pin));
|
||||
}
|
||||
|
||||
/*
|
||||
This routine writes an array of bytes with RGB values to the Dataout pin
|
||||
using the fast 800kHz clockless WS2811/2812 protocol.
|
||||
*/
|
||||
|
||||
// Timing in ns
|
||||
#define w_zeropulse 350
|
||||
#define w_onepulse 900
|
||||
#define w_totalperiod 1250
|
||||
|
||||
// Fixed cycles used by the inner loop
|
||||
#define w_fixedlow 2
|
||||
#define w_fixedhigh 4
|
||||
#define w_fixedtotal 8
|
||||
|
||||
// Insert NOPs to match the timing, if possible
|
||||
#define w_zerocycles (((F_CPU / 1000) * w_zeropulse) / 1000000)
|
||||
#define w_onecycles (((F_CPU / 1000) * w_onepulse + 500000) / 1000000)
|
||||
#define w_totalcycles (((F_CPU / 1000) * w_totalperiod + 500000) / 1000000)
|
||||
|
||||
// w1 - nops between rising edge and falling edge - low
|
||||
#define w1 (w_zerocycles - w_fixedlow)
|
||||
// w2 nops between fe low and fe high
|
||||
#define w2 (w_onecycles - w_fixedhigh - w1)
|
||||
// w3 nops to complete loop
|
||||
#define w3 (w_totalcycles - w_fixedtotal - w1 - w2)
|
||||
|
||||
#if w1 > 0
|
||||
#define w1_nops w1
|
||||
#else
|
||||
#define w1_nops 0
|
||||
#endif
|
||||
|
||||
// The only critical timing parameter is the minimum pulse length of the "0"
|
||||
// Warn or throw error if this timing can not be met with current F_CPU settings.
|
||||
#define w_lowtime ((w1_nops + w_fixedlow) * 1000000) / (F_CPU / 1000)
|
||||
#if w_lowtime > 550
|
||||
#error "Light_ws2812: Sorry, the clock speed is too low. Did you set F_CPU correctly?"
|
||||
#elif w_lowtime > 450
|
||||
#warning "Light_ws2812: The timing is critical and may only work on WS2812B, not on WS2812(S)."
|
||||
#warning "Please consider a higher clockspeed, if possible"
|
||||
#endif
|
||||
|
||||
#if w2 > 0
|
||||
#define w2_nops w2
|
||||
#else
|
||||
#define w2_nops 0
|
||||
#endif
|
||||
|
||||
#if w3 > 0
|
||||
#define w3_nops w3
|
||||
#else
|
||||
#define w3_nops 0
|
||||
#endif
|
||||
|
||||
#define w_nop1 "nop \n\t"
|
||||
#define w_nop2 "rjmp .+0 \n\t"
|
||||
#define w_nop4 w_nop2 w_nop2
|
||||
#define w_nop8 w_nop4 w_nop4
|
||||
#define w_nop16 w_nop8 w_nop8
|
||||
|
||||
void inline ws2812_sendarray_mask(uint8_t *data, uint16_t datlen, uint8_t maskhi)
|
||||
{
|
||||
uint8_t curbyte, ctr, masklo;
|
||||
uint8_t sreg_prev;
|
||||
|
||||
ws2812_DDRREG |= maskhi; // Enable output
|
||||
|
||||
masklo = ~maskhi & ws2812_PORTREG;
|
||||
maskhi |= ws2812_PORTREG;
|
||||
|
||||
sreg_prev = SREG;
|
||||
cli();
|
||||
|
||||
while (datlen--)
|
||||
{
|
||||
curbyte = *data++;
|
||||
|
||||
__asm volatile(
|
||||
" ldi %0,8 \n\t"
|
||||
"loop%=: \n\t"
|
||||
" out %2,%3 \n\t" // '1' [01] '0' [01] - re
|
||||
#if (w1_nops & 1)
|
||||
w_nop1
|
||||
#endif
|
||||
#if (w1_nops & 2)
|
||||
w_nop2
|
||||
#endif
|
||||
#if (w1_nops & 4)
|
||||
w_nop4
|
||||
#endif
|
||||
#if (w1_nops & 8)
|
||||
w_nop8
|
||||
#endif
|
||||
#if (w1_nops & 16)
|
||||
w_nop16
|
||||
#endif
|
||||
" sbrs %1,7 \n\t" // '1' [03] '0' [02]
|
||||
" out %2,%4 \n\t" // '1' [--] '0' [03] - fe-low
|
||||
" lsl %1 \n\t" // '1' [04] '0' [04]
|
||||
#if (w2_nops & 1)
|
||||
w_nop1
|
||||
#endif
|
||||
#if (w2_nops & 2)
|
||||
w_nop2
|
||||
#endif
|
||||
#if (w2_nops & 4)
|
||||
w_nop4
|
||||
#endif
|
||||
#if (w2_nops & 8)
|
||||
w_nop8
|
||||
#endif
|
||||
#if (w2_nops & 16)
|
||||
w_nop16
|
||||
#endif
|
||||
" out %2,%4 \n\t" // '1' [+1] '0' [+1] - fe-high
|
||||
#if (w3_nops & 1)
|
||||
w_nop1
|
||||
#endif
|
||||
#if (w3_nops & 2)
|
||||
w_nop2
|
||||
#endif
|
||||
#if (w3_nops & 4)
|
||||
w_nop4
|
||||
#endif
|
||||
#if (w3_nops & 8)
|
||||
w_nop8
|
||||
#endif
|
||||
#if (w3_nops & 16)
|
||||
w_nop16
|
||||
#endif
|
||||
|
||||
" dec %0 \n\t" // '1' [+2] '0' [+2]
|
||||
" brne loop%=\n\t" // '1' [+3] '0' [+4]
|
||||
: "=&d"(ctr)
|
||||
: "r"(curbyte), "I"(_SFR_IO_ADDR(ws2812_PORTREG)), "r"(maskhi), "r"(masklo));
|
||||
}
|
||||
|
||||
SREG = sreg_prev;
|
||||
}
|
||||
103
code/light_ws2812.h
Normal file
103
code/light_ws2812.h
Normal file
@@ -0,0 +1,103 @@
|
||||
/*
|
||||
light_ws2812_config.h
|
||||
|
||||
v2.4 - Nov 27, 2016
|
||||
|
||||
User Configuration file for the light_ws2812_lib
|
||||
|
||||
*/
|
||||
|
||||
///////////////////////////////////////////////////////////////////////
|
||||
// Define I/O pin
|
||||
///////////////////////////////////////////////////////////////////////
|
||||
|
||||
#define ws2812_port B // Data port
|
||||
#define ws2812_pin 0 // Data out pin
|
||||
|
||||
///////////////////////////////////////////////////////////////////////
|
||||
// Define Reset time in µs.
|
||||
//
|
||||
// This is the time the library spends waiting after writing the data.
|
||||
//
|
||||
// WS2813 needs 300 µs reset time
|
||||
// WS2812 and clones only need 50 µs <<<-----
|
||||
//
|
||||
///////////////////////////////////////////////////////////////////////
|
||||
|
||||
#define ws2812_resettime 50
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
// -------------------------------------------------------------------------------------------------------------
|
||||
|
||||
/* WS2812_CONFIG_H_
|
||||
* light weight WS2812 lib include
|
||||
*
|
||||
* Version 2.3 - Nev 29th 2015
|
||||
* Author: Tim (cpldcpu@gmail.com)
|
||||
*
|
||||
* Please do not change this file!"
|
||||
*
|
||||
* License: GNU GPL v2+ (see License.txt)
|
||||
*
|
||||
*/
|
||||
|
||||
#ifndef LIGHT_WS2812_H_
|
||||
#define LIGHT_WS2812_H_
|
||||
|
||||
#include <avr/io.h>
|
||||
#include <avr/interrupt.h>
|
||||
|
||||
/*
|
||||
* Structure of the LED array
|
||||
*
|
||||
* cRGB: RGB for WS2812S/B/C/D, SK6812, SK6812Mini, SK6812WWA, APA104, APA106
|
||||
* cRGBW: RGBW for SK6812RGBW
|
||||
*/
|
||||
|
||||
struct cRGB { uint8_t g; uint8_t r; uint8_t b; };
|
||||
struct cRGBW { uint8_t g; uint8_t r; uint8_t b; uint8_t w;};
|
||||
|
||||
|
||||
|
||||
/* User Interface
|
||||
*
|
||||
* Input:
|
||||
* ledarray: An array of GRB data describing the LED colors
|
||||
* number_of_leds: The number of LEDs to write
|
||||
* pinmask (optional): Bitmask describing the output bin. e.g. _BV(PB0)
|
||||
*
|
||||
* The functions will perform the following actions:
|
||||
* - Set the data-out pin as output
|
||||
* - Send out the LED data
|
||||
* - Wait 50µs to reset the LEDs
|
||||
*/
|
||||
|
||||
void ws2812_setleds (struct cRGB *ledarray, uint16_t number_of_leds);
|
||||
void ws2812_setleds_pin (struct cRGB *ledarray, uint16_t number_of_leds,uint8_t pinmask);
|
||||
void ws2812_setleds_rgbw(struct cRGBW *ledarray, uint16_t number_of_leds);
|
||||
|
||||
/*
|
||||
* Old interface / Internal functions
|
||||
*
|
||||
* The functions take a byte-array and send to the data output as WS2812 bitstream.
|
||||
* The length is the number of bytes to send - three per LED.
|
||||
*/
|
||||
|
||||
void ws2812_sendarray (uint8_t *array,uint16_t length);
|
||||
void ws2812_sendarray_mask(uint8_t *array,uint16_t length, uint8_t pinmask);
|
||||
|
||||
|
||||
/*
|
||||
* Internal defines
|
||||
*/
|
||||
|
||||
#define CONCAT(a, b) a ## b
|
||||
#define CONCAT_EXP(a, b) CONCAT(a, b)
|
||||
|
||||
#define ws2812_PORTREG CONCAT_EXP(PORT,ws2812_port)
|
||||
#define ws2812_DDRREG CONCAT_EXP(DDR,ws2812_port)
|
||||
|
||||
#endif /* LIGHT_WS2812_H_ */
|
||||
33
code/random_avr.c
Normal file
33
code/random_avr.c
Normal file
@@ -0,0 +1,33 @@
|
||||
/**
|
||||
Copyright (c) 2017, Łukasz Marcin Podkalicki <lpodkalicki@gmail.com>
|
||||
Lightweight library of 16 bit random number generator based on LFSR.
|
||||
*/
|
||||
|
||||
#include <avr/eeprom.h>
|
||||
#include "random_avr.h"
|
||||
|
||||
static uint16_t random_number = 0;
|
||||
|
||||
static uint16_t
|
||||
lfsr16_next(uint16_t n)
|
||||
{
|
||||
|
||||
return (n >> 0x01U) ^ (-(n & 0x01U) & 0xB400U);
|
||||
}
|
||||
|
||||
void random_init(uint16_t seed)
|
||||
{
|
||||
#ifdef USE_RANDOM_SEED
|
||||
random_number = lfsr16_next(eeprom_read_word((uint16_t *)RANDOM_SEED_ADDRESS) ^ seed);
|
||||
eeprom_write_word((uint16_t *)0, random_number);
|
||||
#else
|
||||
random_number = seed;
|
||||
#endif /* !USE_RANDOM_SEED */
|
||||
}
|
||||
|
||||
uint16_t
|
||||
random_avr(void)
|
||||
{
|
||||
|
||||
return (random_number = lfsr16_next(random_number));
|
||||
}
|
||||
16
code/random_avr.h
Normal file
16
code/random_avr.h
Normal file
@@ -0,0 +1,16 @@
|
||||
/*
|
||||
Copyright (c) 2017, Łukasz Marcin Podkalicki <lpodkalicki@gmail.com>
|
||||
Lightweight library of 16 bit random number generator based on LFSR.
|
||||
*/
|
||||
|
||||
#ifndef _RANDOM_H_
|
||||
#define _RANDOM_H_
|
||||
|
||||
#ifdef USE_RANDOM_SEED
|
||||
#define RANDOM_SEED_ADDRESS 0x00
|
||||
#endif /* !USE_RANDOM_SEED */
|
||||
|
||||
void random_init(uint16_t seed);
|
||||
uint16_t random_avr(void);
|
||||
|
||||
#endif /* !_RANDOM_H_ */
|
||||
Reference in New Issue
Block a user