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Posledni optimalizace

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This commit is contained in:
Pavel Brychta 2021-08-03 08:07:41 +02:00
parent d532130d0a
commit 9c5b298026
2 changed files with 21 additions and 13 deletions
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26
src/wsLED.cpp
View File

@ -3,13 +3,10 @@
#if defined(ARDUINO_ARCH_ESP32)
//# include "esp_task.h"
// https://github.com/JSchaenzle/ESP32-NeoPixel-WS2812-RMT/blob/master/ws2812_control.c
# include <driver/rmt.h>
# include <set>
# ifndef LED_RMT_TX_CHANNEL
# define LED_RMT_TX_CHANNEL RMT_CHANNEL_0
# endif
# define BITS_PER_LED_CMD 24
# define LED_BUFFER_ITEMS ((1 * BITS_PER_LED_CMD))
// These values are determined by measuring pulse timing with logic analyzer and adjusting to match datasheet.
# define T0H 14 // 0 bit high time
# define T1H 52 // 1 bit high time
@ -49,17 +46,16 @@ void wsLED::show(void)
color[i] = (uint8_t)(c >> 8);
}
#if defined(ARDUINO_ARCH_ESP32)
rmt_item32_t led_data_buffer[LED_BUFFER_ITEMS];
uint32_t bits_to_send = ((uint32_t)color[0] << 16) | ((uint32_t)color[1] << 8) | (uint32_t)color[2];
uint32_t mask = 1 << (BITS_PER_LED_CMD - 1);
for (uint32_t bit = 0; bit < BITS_PER_LED_CMD; bit++) {
uint32_t bit_is_set = bits_to_send & mask;
led_data_buffer[bit] = bit_is_set ? (rmt_item32_t) {{{T1H, 1, TL, 0}}} : (rmt_item32_t) {{{T0H, 1, TL, 0}}};
mask >>= 1;
}
ESP_ERROR_CHECK(rmt_write_items(LED_RMT_TX_CHANNEL, led_data_buffer, LED_BUFFER_ITEMS, false));
ESP_ERROR_CHECK(rmt_wait_tx_done(LED_RMT_TX_CHANNEL, portMAX_DELAY));
// ESP_ERROR_CHECK(rmt_wait_tx_done(LED_RMT_TX_CHANNEL, portMAX_DELAY));
#else
noInterrupts();
send_pixels_800(color, 1, _pin);
@ -122,6 +118,7 @@ void wsLED::setColor(LEDRGB color)
void ICACHE_RAM_ATTR wsLED::rtLed(void)
{
uint32_t timing;
_handler.detach();
switch (_ledState) {
@ -132,7 +129,7 @@ void ICACHE_RAM_ATTR wsLED::rtLed(void)
setColor(_color1);
}
_subState = !_subState;
_handler.attach_ms(_blinkSpeed, ledTrampoline, this);
timing = _blinkSpeed;
break;
@ -142,8 +139,11 @@ void ICACHE_RAM_ATTR wsLED::rtLed(void)
uint16_t val = pgm_read_word(&LB[_subState]);
_scale = (uint8_t)val;
val >>= 8;
uint32_t timing = 30ul * val;
_handler.attach_ms(timing, ledTrampoline, this);
timing = 30ul * val;
if (timing < 30) {
timing = 30;
}
timing = 30;
break;
}
@ -151,20 +151,22 @@ void ICACHE_RAM_ATTR wsLED::rtLed(void)
_ledState = _savedState;
_subState = 0;
setColor(_color1);
_handler.attach_ms(5, ledTrampoline, this); // co nejrychleji do predchoziho stavu
timing = 5;
break;
}
case LED_PULSE_START:
setColor(_pulseColor);
_ledState = LED_PULSE;
_handler.attach_ms(_pulseDuration, ledTrampoline, this);
timing = _pulseDuration;
break;
default:
timing = 5000;
break;
}
show();
_handler.attach_ms(timing, ledTrampoline, this);
}
void wsLED::setColors(LEDRGB color1, LEDRGB color2)
@ -219,7 +221,7 @@ void wsLED::pulse(LEDRGB color, uint32_t duration)
_handler.detach();
_scale = 0xff;
_pulseColor = color;
if (LED_PULSE != _ledState) {
if (LED_BREATH == _ledState || LED_BLINK == _ledState) {
_savedState = _ledState;
}
_pulseDuration = duration;

6
src/wsLED.h
View File

@ -23,6 +23,11 @@ See more at http://www.xpablo.cz
#define __WSLED_H__
#include <Arduino.h>
#include <Ticker.h>
#if defined(ARDUINO_ARCH_ESP32)
# include <driver/rmt.h>
# define BITS_PER_LED_CMD 24
# define LED_BUFFER_ITEMS ((1 * BITS_PER_LED_CMD))
#endif
struct LEDRGB {
union {
@ -140,6 +145,7 @@ protected:
LEDRGB _pulseColor;
#if defined(ARDUINO_ARCH_ESP32)
int _rmtChannel;
rmt_item32_t led_data_buffer[LED_BUFFER_ITEMS];
#endif
void show(void);