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Marlin-Artillery-M600/Marlin/src/HAL/HAL_ESP32/HAL.cpp

212 lines
6.3 KiB
C++

/**
* Marlin 3D Printer Firmware
* Copyright (C) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
*
* Based on Sprinter and grbl.
* Copyright (C) 2011 Camiel Gubbels / Erik van der Zalm
*
* 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/>.
*
*/
#ifdef ARDUINO_ARCH_ESP32
// --------------------------------------------------------------------------
// Includes
// --------------------------------------------------------------------------
#include "HAL.h"
#include <rom/rtc.h>
#include <driver/adc.h>
#include <esp_adc_cal.h>
#include "../../inc/MarlinConfigPre.h"
#if EITHER(EEPROM_SETTINGS, WEBSUPPORT)
#include "spiffs.h"
#endif
#if ENABLED(WIFISUPPORT)
#include <ESPAsyncWebServer.h>
#include "wifi.h"
#if ENABLED(OTASUPPORT)
#include "ota.h"
#endif
#if ENABLED(WEBSUPPORT)
#include "web.h"
#endif
#endif
// --------------------------------------------------------------------------
// Externals
// --------------------------------------------------------------------------
portMUX_TYPE spinlock = portMUX_INITIALIZER_UNLOCKED;
// --------------------------------------------------------------------------
// Local defines
// --------------------------------------------------------------------------
#define V_REF 1100
// --------------------------------------------------------------------------
// Types
// --------------------------------------------------------------------------
// --------------------------------------------------------------------------
// Variables
// --------------------------------------------------------------------------
// --------------------------------------------------------------------------
// Public Variables
// --------------------------------------------------------------------------
uint16_t HAL_adc_result;
// --------------------------------------------------------------------------
// Private Variables
// --------------------------------------------------------------------------
esp_adc_cal_characteristics_t characteristics;
// --------------------------------------------------------------------------
// Function prototypes
// --------------------------------------------------------------------------
// --------------------------------------------------------------------------
// Private functions
// --------------------------------------------------------------------------
// --------------------------------------------------------------------------
// Public functions
// --------------------------------------------------------------------------
void HAL_init(void) {
i2s_init();
}
void HAL_init_board(void) {
#if EITHER(EEPROM_SETTINGS, WEBSUPPORT)
spiffs_init();
#endif
#if ENABLED(WIFISUPPORT)
wifi_init();
#if ENABLED(OTASUPPORT)
OTA_init();
#endif
#if ENABLED(WEBSUPPORT)
web_init();
#endif
server.begin();
#endif
}
void HAL_idletask(void) {
#if ENABLED(OTASUPPORT)
OTA_handle();
#endif
}
void HAL_clear_reset_source(void) { }
uint8_t HAL_get_reset_source(void) { return rtc_get_reset_reason(1); }
void _delay_ms(int delay_ms) { delay(delay_ms); }
// return free memory between end of heap (or end bss) and whatever is current
int freeMemory() { return ESP.getFreeHeap(); }
// --------------------------------------------------------------------------
// ADC
// --------------------------------------------------------------------------
#define ADC1_CHANNEL(pin) ADC1_GPIO ## pin ## _CHANNEL
adc1_channel_t get_channel(int pin) {
switch (pin) {
case 39: return ADC1_CHANNEL(39);
case 36: return ADC1_CHANNEL(36);
case 35: return ADC1_CHANNEL(35);
case 34: return ADC1_CHANNEL(34);
case 33: return ADC1_CHANNEL(33);
case 32: return ADC1_CHANNEL(32);
}
return ADC1_CHANNEL_MAX;
}
void HAL_adc_init() {
// Configure ADC
adc1_config_width(ADC_WIDTH_12Bit);
// Configure channels only if used as (re-)configuring a pin for ADC that is used elsewhere might have adverse effects
#if HAS_TEMP_ADC_0
adc1_config_channel_atten(get_channel(TEMP_0_PIN), ADC_ATTEN_11db);
#endif
#if HAS_TEMP_ADC_1
adc1_config_channel_atten(get_channel(TEMP_1_PIN), ADC_ATTEN_11db);
#endif
#if HAS_TEMP_ADC_2
adc1_config_channel_atten(get_channel(TEMP_2_PIN), ADC_ATTEN_11db);
#endif
#if HAS_TEMP_ADC_3
adc1_config_channel_atten(get_channel(TEMP_3_PIN), ADC_ATTEN_11db);
#endif
#if HAS_TEMP_ADC_4
adc1_config_channel_atten(get_channel(TEMP_4_PIN), ADC_ATTEN_11db);
#endif
#if HAS_TEMP_ADC_5
adc1_config_channel_atten(get_channel(TEMP_5_PIN), ADC_ATTEN_11db);
#endif
#if HAS_HEATED_BED
adc1_config_channel_atten(get_channel(TEMP_BED_PIN), ADC_ATTEN_11db);
#endif
#if HAS_TEMP_CHAMBER
adc1_config_channel_atten(get_channel(TEMP_CHAMBER_PIN), ADC_ATTEN_11db);
#endif
#if ENABLED(FILAMENT_WIDTH_SENSOR)
adc1_config_channel_atten(get_channel(FILWIDTH_PIN), ADC_ATTEN_11db);
#endif
// Note that adc2 is shared with the WiFi module, which has higher priority, so the conversion may fail.
// That's why we're not setting it up here.
// Calculate ADC characteristics i.e. gain and offset factors
esp_adc_cal_characterize(ADC_UNIT_1, ADC_ATTEN_DB_11, ADC_WIDTH_BIT_12, V_REF, &characteristics);
}
void HAL_adc_start_conversion(uint8_t adc_pin) {
uint32_t mv;
esp_adc_cal_get_voltage((adc_channel_t)get_channel(adc_pin), &characteristics, &mv);
HAL_adc_result = mv*1023.0/3300.0;
}
void analogWrite(int pin, int value) {
if (!PWM_PIN(pin)) return;
static int cnt_channel = 1,
pin_to_channel[40] = {};
if (pin_to_channel[pin] == 0) {
ledcAttachPin(pin, cnt_channel);
ledcSetup(cnt_channel, 490, 8);
ledcWrite(cnt_channel, value);
pin_to_channel[pin] = cnt_channel++;
}
ledcWrite(pin_to_channel[pin], value);
}
#endif // ARDUINO_ARCH_ESP32