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