add heltec v4.3

2026-02-26 17:47:03 +08:00
parent b67decfba0
commit 9312fe780a
5 changed files with 143 additions and 17 deletions
--- a/variants/heltec_v4/LoRaFEMControl.cpp
+++ b/variants/heltec_v4/LoRaFEMControl.cpp
@@ -0,0 +1,104 @@
+#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;
+}