mirror of
https://github.com/DCC-EX/CommandStation-EX.git
synced 2024-11-27 01:56:14 +01:00
62 lines
1.8 KiB
C++
62 lines
1.8 KiB
C++
/*
|
|
* © 2022 Harald Barth
|
|
* All rights reserved.
|
|
*
|
|
* This file is part of CommandStation-EX
|
|
*
|
|
* This 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.
|
|
*
|
|
* It 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 CommandStation. If not, see <https://www.gnu.org/licenses/>.
|
|
*/
|
|
#ifdef ARDUINO_ARCH_ESP32
|
|
#include <Arduino.h>
|
|
#include "ESP32-fixes.h"
|
|
|
|
#include "esp32-hal.h"
|
|
#include "soc/soc_caps.h"
|
|
|
|
|
|
#ifdef SOC_LEDC_SUPPORT_HS_MODE
|
|
#define LEDC_CHANNELS (SOC_LEDC_CHANNEL_NUM<<1)
|
|
#else
|
|
#define LEDC_CHANNELS (SOC_LEDC_CHANNEL_NUM)
|
|
#endif
|
|
|
|
static int8_t pin_to_channel[SOC_GPIO_PIN_COUNT] = { 0 };
|
|
static int cnt_channel = LEDC_CHANNELS;
|
|
|
|
void DCCEXanalogWriteFrequency(uint8_t pin, uint32_t frequency) {
|
|
if (pin < SOC_GPIO_PIN_COUNT) {
|
|
if (pin_to_channel[pin] != 0) {
|
|
ledcSetup(pin_to_channel[pin], frequency, 8);
|
|
}
|
|
}
|
|
}
|
|
|
|
void DCCEXanalogWrite(uint8_t pin, int value) {
|
|
if (pin < SOC_GPIO_PIN_COUNT) {
|
|
if (pin_to_channel[pin] == 0) {
|
|
if (!cnt_channel) {
|
|
log_e("No more PWM channels available! All %u already used", LEDC_CHANNELS);
|
|
return;
|
|
}
|
|
pin_to_channel[pin] = --cnt_channel;
|
|
ledcAttachPin(pin, cnt_channel);
|
|
ledcSetup(cnt_channel, 1000, 8);
|
|
} else {
|
|
ledcAttachPin(pin, pin_to_channel[pin]);
|
|
}
|
|
ledcWrite(pin_to_channel[pin], value);
|
|
}
|
|
}
|
|
#endif
|