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Add heltec_v4 board. (#7845)

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* add heltec_v4 board.

* Update variants/esp32s3/heltec_v4/platformio.ini

Co-authored-by: Austin <vidplace7@gmail.com>

* Limit the maximum output power.

* Trunk fixes

Fixes formatting to match meshtastic trunk linter.

* Apply suggestion from @Copilot

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

* Apply suggestion from @Copilot

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

---------

Co-authored-by: Ben Meadors <benmmeadors@gmail.com>
Co-authored-by: Austin <vidplace7@gmail.com>
Co-authored-by: Tom Fifield <tom@tomfifield.net>
Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
This commit is contained in:
Quency-D
2025-09-21 20:03:44 +08:00
committed by Ben Meadors
parent d1fd102952
commit cea9e1238b
8 changed files with 227 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

36
src/mesh/SX126xInterface.cpp
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@@ -52,6 +52,16 @@ template <typename T> bool SX126xInterface<T>::init()
pinMode(SX126X_POWER_EN, OUTPUT);
#endif
#ifdef HELTEC_V4
pinMode(LORA_PA_POWER, OUTPUT);
digitalWrite(LORA_PA_POWER, HIGH);
pinMode(LORA_PA_EN, OUTPUT);
digitalWrite(LORA_PA_EN, LOW);
pinMode(LORA_PA_TX_EN, OUTPUT);
digitalWrite(LORA_PA_TX_EN, LOW);
#endif
#if ARCH_PORTDUINO
tcxoVoltage = (float)portduino_config.dio3_tcxo_voltage / 1000;
if (portduino_config.lora_sx126x_ant_sw_pin.pin != RADIOLIB_NC) {
@@ -63,7 +73,7 @@ template <typename T> bool SX126xInterface<T>::init()
LOG_DEBUG("SX126X_DIO3_TCXO_VOLTAGE not defined, not using DIO3 as TCXO reference voltage");
else
LOG_DEBUG("SX126X_DIO3_TCXO_VOLTAGE defined, using DIO3 as TCXO reference voltage at %f V", tcxoVoltage);
setTransmitEnable(false);
// FIXME: May want to set depending on a definition, currently all SX126x variant files use the DC-DC regulator option
bool useRegulatorLDO = false; // Seems to depend on the connection to pin 9/DCC_SW - if an inductor DCDC?
@@ -259,6 +269,7 @@ template <typename T> void SX126xInterface<T>::addReceiveMetadata(meshtastic_Mes
*/
template <typename T> void SX126xInterface<T>::configHardwareForSend()
{
setTransmitEnable(true);
RadioLibInterface::configHardwareForSend();
}
@@ -271,6 +282,7 @@ template <typename T> void SX126xInterface<T>::startReceive()
sleep();
#else
setTransmitEnable(false);
setStandby();
// We use a 16 bit preamble so this should save some power by letting radio sit in standby mostly.
@@ -298,7 +310,7 @@ template <typename T> bool SX126xInterface<T>::isChannelActive()
.irqFlags = RADIOLIB_IRQ_CAD_DEFAULT_FLAGS,
.irqMask = RADIOLIB_IRQ_CAD_DEFAULT_MASK}};
int16_t result;
setTransmitEnable(false);
setStandby();
result = lora.scanChannel(cfg);
if (result == RADIOLIB_LORA_DETECTED)
@@ -337,6 +349,26 @@ template <typename T> bool SX126xInterface<T>::sleep()
digitalWrite(SX126X_POWER_EN, LOW);
#endif
#ifdef HELTEC_V4
/*
* Do not switch the power on and off frequently.
* After turning off LORA_PA_EN, the power consumption has dropped to the uA level.
* // digitalWrite(LORA_PA_POWER, LOW);
*/
digitalWrite(LORA_PA_EN, LOW);
digitalWrite(LORA_PA_TX_EN, LOW);
#endif
return true;
}
/** Some boards require GPIO control of tx vs rx paths */
template <typename T> void SX126xInterface<T>::setTransmitEnable(bool txon)
{
#ifdef HELTEC_V4
digitalWrite(LORA_PA_POWER, HIGH);
digitalWrite(LORA_PA_EN, HIGH);
digitalWrite(LORA_PA_TX_EN, txon ? 1 : 0);
#endif
}
#endif

4
src/mesh/SX126xInterface.h
View File

@@ -71,5 +71,9 @@ template <class T> class SX126xInterface : public RadioLibInterface
virtual void addReceiveMetadata(meshtastic_MeshPacket *mp) override;
virtual void setStandby() override;
private:
/** Some boards require GPIO control of tx vs rx paths */
void setTransmitEnable(bool txon);
};
#endif

2
src/platform/esp32/architecture.h
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@@ -194,6 +194,8 @@
#define HW_VENDOR meshtastic_HardwareModel_T_DECK_PRO
#elif defined(T_LORA_PAGER)
#define HW_VENDOR meshtastic_HardwareModel_T_LORA_PAGER
#elif defined(HELTEC_V4)
#define HW_VENDOR meshtastic_HardwareModel_HELTEC_V4
#elif defined(M5STACK_UNITC6L)
#define HW_VENDOR meshtastic_HardwareModel_M5STACK_C6L
#endif

6
src/sleep.cpp
View File

@@ -545,6 +545,12 @@ void enableLoraInterrupt()
gpio_pullup_en((gpio_num_t)LORA_CS);
#endif
#ifdef HELTEC_V4
gpio_pullup_en((gpio_num_t)LORA_PA_POWER);
gpio_pullup_en((gpio_num_t)LORA_PA_EN);
gpio_pulldown_en((gpio_num_t)LORA_PA_TX_EN);
#endif
LOG_INFO("setup LORA_DIO1 (GPIO%02d) with wakeup by gpio interrupt", LORA_DIO1);
gpio_wakeup_enable((gpio_num_t)LORA_DIO1, GPIO_INTR_HIGH_LEVEL);