arduino-esp32/cores/esp32/esp32-hal-rgb-led.c
Davide Perini 66c9c0b1a6
Add ability for boards to provide a custom pixel order in neopixelWrite() (#10128)
* fix(esp32): Fixed the hint for the builtin neopixleWrite() function

* change(esp32): Added neopixelWriteOrdered() function

* change(esp32): Added neopixelWriteOrdered() function

* change(esp32): Added neopixelWriteOrdered() function

* change(esp32): Added the possibility to specify LED color order

* change(esp32): Added the possibility to specify LED color order

* feat(rgbled): add license information

* feat(rgbled): add color order enum

* feat(rgbled): add color order feature

* feat(rgbled): change color order for lolin_s3_mini

* fix(rgbled): suffix

* fix(rgbled): suffix

* ci(pre-commit): Apply automatic fixes

* fix(rgbled): it lacks GRB case

Made GRB default + switch/case exceptions.

* fix(rgbled): add guard for rgb_led_color_order_t

If RGB_BUILTIN_LED_COLOR_ORDER is not defined, the type rgb_led_color_order_t won't be declared.

* fix(rgb-led): Implement rgbLedWriteOrdered()

* ci(pre-commit): Apply automatic fixes

* Remove const to allow changing the order

---------

Co-authored-by: Rodrigo Garcia <rodrigo.garcia@espressif.com>
Co-authored-by: pre-commit-ci-lite[bot] <117423508+pre-commit-ci-lite[bot]@users.noreply.github.com>
Co-authored-by: me-no-dev <hristo@espressif.com>
2024-08-20 01:29:13 +03:00

92 lines
2.8 KiB
C

// Copyright 2024 Espressif Systems (Shanghai) PTE LTD
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "soc/soc_caps.h"
#include "esp32-hal-rgb-led.h"
void rgbLedWrite(uint8_t pin, uint8_t red_val, uint8_t green_val, uint8_t blue_val) {
rgbLedWriteOrdered(pin, RGB_BUILTIN_LED_COLOR_ORDER, red_val, green_val, blue_val);
}
void rgbLedWriteOrdered(uint8_t pin, rgb_led_color_order_t order, uint8_t red_val, uint8_t green_val, uint8_t blue_val) {
#if SOC_RMT_SUPPORTED
rmt_data_t led_data[24];
// Verify if the pin used is RGB_BUILTIN and fix GPIO number
#ifdef RGB_BUILTIN
pin = pin == RGB_BUILTIN ? pin - SOC_GPIO_PIN_COUNT : pin;
#endif
if (!rmtInit(pin, RMT_TX_MODE, RMT_MEM_NUM_BLOCKS_1, 10000000)) {
log_e("RGB LED driver initialization failed for GPIO%d!", pin);
return;
}
// default WS2812B color order is G, R, B
int color[3] = {green_val, red_val, blue_val};
switch (order) {
case LED_COLOR_ORDER_RGB:
color[0] = red_val;
color[1] = green_val;
color[2] = blue_val;
break;
case LED_COLOR_ORDER_BGR:
color[0] = blue_val;
color[1] = green_val;
color[2] = red_val;
break;
case LED_COLOR_ORDER_BRG:
color[0] = blue_val;
color[1] = red_val;
color[2] = green_val;
break;
case LED_COLOR_ORDER_RBG:
color[0] = red_val;
color[1] = blue_val;
color[2] = green_val;
break;
case LED_COLOR_ORDER_GBR:
color[0] = green_val;
color[1] = blue_val;
color[2] = red_val;
break;
default: // GRB
break;
}
int i = 0;
for (int col = 0; col < 3; col++) {
for (int bit = 0; bit < 8; bit++) {
if ((color[col] & (1 << (7 - bit)))) {
// HIGH bit
led_data[i].level0 = 1; // T1H
led_data[i].duration0 = 8; // 0.8us
led_data[i].level1 = 0; // T1L
led_data[i].duration1 = 4; // 0.4us
} else {
// LOW bit
led_data[i].level0 = 1; // T0H
led_data[i].duration0 = 4; // 0.4us
led_data[i].level1 = 0; // T0L
led_data[i].duration1 = 8; // 0.8us
}
i++;
}
}
rmtWrite(pin, led_data, RMT_SYMBOLS_OF(led_data), RMT_WAIT_FOR_EVER);
#else
log_e("RMT is not supported on " CONFIG_IDF_TARGET);
#endif /* SOC_RMT_SUPPORTED */
}