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AP_SerialLED: added library API to access WS2812 LEDs

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used by Lua scripting
This commit is contained in:
Andrew Tridgell 2019-10-30 21:11:39 +11:00
parent c549be5887
commit a7cdbfc49e
2 changed files with 90 additions and 0 deletions
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48
libraries/AP_SerialLED/AP_SerialLED.cpp Normal file
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/*
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/*
AP_SerialLED for controlling serial connected LEDs using WS2812B protocol
*/
#include "AP_SerialLED.h"
#include <AP_Math/AP_Math.h>
extern const AP_HAL::HAL& hal;
AP_SerialLED AP_SerialLED::singleton;
AP_SerialLED::AP_SerialLED()
{
}
// set number of LEDs per pin
bool AP_SerialLED::set_num_LEDs(uint8_t chan, uint8_t num_leds)
{
return hal.rcout->set_neopixel_num_LEDs(chan-1, num_leds);
}
// set RGB value on mask of LEDs. chan is PWM output, 1..16
void AP_SerialLED::set_RGB(uint8_t chan, uint32_t ledmask, uint8_t red, uint8_t green, uint8_t blue)
{
if (chan >= 1 && chan <= 16) {
hal.rcout->set_neopixel_rgb_data(chan-1, ledmask, red, green, blue);
}
}
// trigger sending of LED changes to LEDs
void AP_SerialLED::send(void)
{
hal.rcout->neopixel_send();
}

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libraries/AP_SerialLED/AP_SerialLED.h Normal file
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/*
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/*
AP_SerialLED for controlling serial connected LEDs using WS2812B protocol
*/
#pragma once
#include <AP_HAL/AP_HAL.h>
class AP_SerialLED {
public:
AP_SerialLED();
// set number of LEDs per pin
bool set_num_LEDs(uint8_t chan, uint8_t num_leds);
// set RGB value on mask of LEDs. chan is PWM output, 1..16
void set_RGB(uint8_t chan, uint32_t ledmask, uint8_t red, uint8_t green, uint8_t blue);
// trigger sending of LED changes to LEDs
void send(void);
// singleton support
static AP_SerialLED *get_singleton(void) {
return &singleton;
}
private:
static AP_SerialLED singleton;
};