MeshCore/variants/heltec_v4/LoRaFEMControl.cpp
2026-02-26 17:47:03 +08:00

104 lines
3.4 KiB
C++

#include "LoRaFEMControl.h"
#include <driver/rtc_io.h>
#include <esp_sleep.h>
#include <Arduino.h>
void LoRaFEMControl::init(void)
{
setLnaCanControl(false);// Default is uncontrollable
rtc_gpio_hold_dis((gpio_num_t)P_LORA_PA_POWER);
rtc_gpio_hold_dis((gpio_num_t)P_LORA_GC1109_PA_EN);
rtc_gpio_hold_dis((gpio_num_t)P_LORA_GC1109_PA_TX_EN);
rtc_gpio_hold_dis((gpio_num_t)P_LORA_KCT8103L_PA_CSD);
rtc_gpio_hold_dis((gpio_num_t)P_LORA_KCT8103L_PA_CTX);
pinMode(P_LORA_PA_POWER,OUTPUT);
digitalWrite(P_LORA_PA_POWER,HIGH);
delay(1);
pinMode(P_LORA_KCT8103L_PA_CSD,INPUT); // detect which FEM is used
delay(1);
if(digitalRead(P_LORA_KCT8103L_PA_CSD)==HIGH) {
// FEM is KCT8103L
fem_type= KCT8103L_PA;
pinMode(P_LORA_KCT8103L_PA_CSD, OUTPUT);
digitalWrite(P_LORA_KCT8103L_PA_CSD, HIGH);
pinMode(P_LORA_KCT8103L_PA_CTX, OUTPUT);
digitalWrite(P_LORA_KCT8103L_PA_CTX, HIGH);
setLnaCanControl(true);
} else if(digitalRead(P_LORA_KCT8103L_PA_CSD)==LOW) {
// FEM is GC1109
fem_type= GC1109_PA;
pinMode(P_LORA_GC1109_PA_EN, OUTPUT);
digitalWrite(P_LORA_GC1109_PA_EN, HIGH);
pinMode(P_LORA_GC1109_PA_TX_EN, OUTPUT);
digitalWrite(P_LORA_GC1109_PA_TX_EN, LOW);
} else {
fem_type= OTHER_FEM_TYPES;
}
}
void LoRaFEMControl::setSleepModeEnable(void)
{
if(fem_type==GC1109_PA) {
/*
* Do not switch the power on and off frequently.
* After turning off P_LORA_PA_EN, the power consumption has dropped to the uA level.
*/
digitalWrite(P_LORA_GC1109_PA_EN, LOW);
digitalWrite(P_LORA_GC1109_PA_TX_EN, LOW);
} else if(fem_type==KCT8103L_PA) {
// shutdown the PA
digitalWrite(P_LORA_KCT8103L_PA_CSD, LOW);
}
}
void LoRaFEMControl::setTxModeEnable(void)
{
if(fem_type==GC1109_PA) {
digitalWrite(P_LORA_GC1109_PA_EN, HIGH); // CSD=1: Chip enabled
digitalWrite(P_LORA_GC1109_PA_TX_EN, HIGH); // CPS: 1=full PA, 0=bypass (for RX, CPS is don't care)
} else if(fem_type==KCT8103L_PA) {
digitalWrite(P_LORA_KCT8103L_PA_CSD, HIGH);
digitalWrite(P_LORA_KCT8103L_PA_CTX, HIGH);
}
}
void LoRaFEMControl::setRxModeEnable(void)
{
if(fem_type==GC1109_PA) {
digitalWrite(P_LORA_GC1109_PA_EN, HIGH); // CSD=1: Chip enabled
digitalWrite(P_LORA_GC1109_PA_TX_EN, LOW);
} else if(fem_type==KCT8103L_PA) {
digitalWrite(P_LORA_KCT8103L_PA_CSD, HIGH);
if(lna_enabled) {
digitalWrite(P_LORA_KCT8103L_PA_CTX, LOW);
} else {
digitalWrite(P_LORA_KCT8103L_PA_CTX, HIGH);
}
}
}
void LoRaFEMControl::setRxModeEnableWhenMCUSleep(void)
{
digitalWrite(P_LORA_PA_POWER, HIGH);
rtc_gpio_hold_en((gpio_num_t)P_LORA_PA_POWER);
if(fem_type==GC1109_PA) {
digitalWrite(P_LORA_GC1109_PA_EN, HIGH);
rtc_gpio_hold_en((gpio_num_t)P_LORA_GC1109_PA_EN);
gpio_pulldown_en((gpio_num_t)P_LORA_GC1109_PA_TX_EN);
} else if(fem_type==KCT8103L_PA) {
digitalWrite(P_LORA_KCT8103L_PA_CSD, HIGH);
rtc_gpio_hold_en((gpio_num_t)P_LORA_KCT8103L_PA_CSD);
if(lna_enabled) {
digitalWrite(P_LORA_KCT8103L_PA_CTX, LOW);
} else {
digitalWrite(P_LORA_KCT8103L_PA_CTX, HIGH);
}
rtc_gpio_hold_en((gpio_num_t)P_LORA_KCT8103L_PA_CTX);
}
}
void LoRaFEMControl::setLNAEnable(bool enabled)
{
lna_enabled = enabled;
}