meshcore-dev/MeshCore
1
0
Fork 0
mirror of https://github.com/meshcore-dev/MeshCore.git synced 2026-04-20 22:13:47 +00:00
Code Issues Projects Releases Packages Wiki Activity

Merge pull request #921 from recrof/heltec_v2_cleanup

Browse source 
heltec v2 cleanup
This commit is contained in:
ripplebiz 2025-10-19 14:07:16 +11:00 • committed by GitHub
commit a222578041
No known key found for this signature in database
GPG key ID: B5690EEEBB952194
3 changed files with 37 additions and 17 deletions
Download patch file Download diff file Expand all files Collapse all files

77
src/helpers/HeltecV2Board.h
View file

@ -1,77 +0,0 @@
#pragma once
#include <Arduino.h>
// LoRa radio module pins for Heltec V2
#define P_LORA_DIO_1 26 // DIO0
#define P_LORA_NSS 18
#define P_LORA_RESET RADIOLIB_NC // 14
#define P_LORA_BUSY RADIOLIB_NC
#define P_LORA_SCLK 5
#define P_LORA_MISO 19
#define P_LORA_MOSI 27
// built-ins
#define PIN_VBAT_READ 37
#define PIN_LED_BUILTIN 25
#include "ESP32Board.h"
#include <driver/rtc_io.h>
class HeltecV2Board : public ESP32Board {
public:
void begin() {
ESP32Board::begin();
esp_reset_reason_t reason = esp_reset_reason();
if (reason == ESP_RST_DEEPSLEEP) {
long wakeup_source = esp_sleep_get_ext1_wakeup_status();
if (wakeup_source & (1 << P_LORA_DIO_1)) { // received a LoRa packet (while in deep sleep)
startup_reason = BD_STARTUP_RX_PACKET;
}
rtc_gpio_hold_dis((gpio_num_t)P_LORA_NSS);
rtc_gpio_deinit((gpio_num_t)P_LORA_DIO_1);
}
}
void enterDeepSleep(uint32_t secs, int pin_wake_btn = -1) {
esp_sleep_pd_config(ESP_PD_DOMAIN_RTC_PERIPH, ESP_PD_OPTION_ON);
// Make sure the DIO1 and NSS GPIOs are hold on required levels during deep sleep
rtc_gpio_set_direction((gpio_num_t)P_LORA_DIO_1, RTC_GPIO_MODE_INPUT_ONLY);
rtc_gpio_pulldown_en((gpio_num_t)P_LORA_DIO_1);
rtc_gpio_hold_en((gpio_num_t)P_LORA_NSS);
if (pin_wake_btn < 0) {
esp_sleep_enable_ext1_wakeup( (1L << P_LORA_DIO_1), ESP_EXT1_WAKEUP_ANY_HIGH); // wake up on: recv LoRa packet
} else {
esp_sleep_enable_ext1_wakeup( (1L << P_LORA_DIO_1) | (1L << pin_wake_btn), ESP_EXT1_WAKEUP_ANY_HIGH); // wake up on: recv LoRa packet OR wake btn
}
if (secs > 0) {
esp_sleep_enable_timer_wakeup(secs * 1000000);
}
// Finally set ESP32 into sleep
esp_deep_sleep_start(); // CPU halts here and never returns!
}
uint16_t getBattMilliVolts() override {
analogReadResolution(10);
uint32_t raw = 0;
for (int i = 0; i < 8; i++) {
raw += analogRead(PIN_VBAT_READ);
}
raw = raw / 8;
return (1.98 * (2 / 1024.0) * raw) * 1000;
}
const char* getManufacturerName() const override {
return "Heltec V2";
}
};