From ce8342d3e528692849854e0eca4f55ff93c7f761 Mon Sep 17 00:00:00 2001
From: Jonathan Bennett <jbennett@incomsystems.biz>
Date: Sun, 26 Nov 2023 21:30:08 -0600
Subject: [PATCH] Drop Pi HAL

---
 src/main.cpp                   |   5 +-
 src/platform/portduino/PiHal.h | 140 ---------------------------------
 2 files changed, 2 insertions(+), 143 deletions(-)
 delete mode 100644 src/platform/portduino/PiHal.h

diff --git a/src/main.cpp b/src/main.cpp
index b8432c5ad..83f3b721e 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -68,7 +68,6 @@ NRF52Bluetooth *nrf52Bluetooth;
 #endif
 
 #ifdef ARCH_RASPBERRY_PI
-#include "platform/portduino/PiHal.h"
 #include "platform/portduino/PortduinoGlue.h"
 #include <fstream>
 #include <iostream>
@@ -693,7 +692,7 @@ void setup()
 #ifdef ARCH_RASPBERRY_PI
     if (settingsMap[use_sx1262]) {
         if (!rIf) {
-            PiHal *RadioLibHAL = new PiHal(1);
+            LockingArduinoHal *RadioLibHAL = new LockingArduinoHal(SPI, spiSettings);
             rIf = new SX1262Interface((LockingArduinoHal *)RadioLibHAL, settingsMap[cs], settingsMap[irq], settingsMap[reset],
                                       settingsMap[busy]);
             if (!rIf->init()) {
@@ -706,7 +705,7 @@ void setup()
         }
     } else if (settingsMap[use_rf95]) {
         if (!rIf) {
-            PiHal *RadioLibHAL = new PiHal(1);
+            LockingArduinoHal *RadioLibHAL = new LockingArduinoHal(SPI, spiSettings);
             rIf = new RF95Interface((LockingArduinoHal *)RadioLibHAL, settingsMap[cs], settingsMap[irq], settingsMap[reset],
                                     settingsMap[busy]);
             if (!rIf->init()) {
diff --git a/src/platform/portduino/PiHal.h b/src/platform/portduino/PiHal.h
deleted file mode 100644
index d80009450..000000000
--- a/src/platform/portduino/PiHal.h
+++ /dev/null
@@ -1,140 +0,0 @@
-#ifndef PI_HAL_H
-#define PI_HAL_H
-
-// include RadioLib
-#include <RadioLib.h>
-
-// include the library for Raspberry GPIO pins
-#include "pigpio.h"
-
-#include "linux/gpio/LinuxGPIOPin.h"
-
-// create a new Raspberry Pi hardware abstraction layer
-// using the pigpio library
-// the HAL must inherit from the base RadioLibHal class
-// and implement all of its virtual methods
-class PiHal : public RadioLibHal
-{
-  public:
-    // default constructor - initializes the base HAL and any needed private members
-    PiHal(uint8_t spiChannel, uint32_t spiSpeed = 2000000)
-        : RadioLibHal(PI_INPUT, PI_OUTPUT, PI_LOW, PI_HIGH, RISING_EDGE, FALLING_EDGE), _spiChannel(spiChannel),
-          _spiSpeed(spiSpeed)
-    {
-    }
-
-    void init() override
-    {
-        // first initialise pigpio library
-        gpioInitialise();
-
-        // now the SPI
-        spiBegin();
-
-        // Waveshare LoRaWAN Hat also needs pin 18 to be pulled high to enable the radio
-        // gpioSetMode(18, PI_OUTPUT);
-        // gpioWrite(18, PI_HIGH);
-    }
-
-    void term() override
-    {
-        // stop the SPI
-        spiEnd();
-
-        // pull the enable pin low
-        // gpioSetMode(18, PI_OUTPUT);
-        // gpioWrite(18, PI_LOW);
-
-        // finally, stop the pigpio library
-        gpioTerminate();
-    }
-
-    // GPIO-related methods (pinMode, digitalWrite etc.) should check
-    // RADIOLIB_NC as an alias for non-connected pins
-    void pinMode(uint32_t pin, uint32_t mode) override
-    {
-        if (pin == RADIOLIB_NC) {
-            return;
-        }
-        ::pinMode(pin, RADIOLIB_ARDUINOHAL_PIN_MODE_CAST mode);
-    }
-
-    void digitalWrite(uint32_t pin, uint32_t value) override
-    {
-        if (pin == RADIOLIB_NC) {
-            return;
-        }
-        ::digitalWrite(pin, RADIOLIB_ARDUINOHAL_PIN_STATUS_CAST value);
-    }
-
-    uint32_t digitalRead(uint32_t pin) override
-    {
-        if (pin == RADIOLIB_NC) {
-            return (0);
-        }
-
-        return (::digitalRead(pin));
-    }
-
-    void attachInterrupt(uint32_t interruptNum, void (*interruptCb)(void), uint32_t mode) override
-    {
-        if (interruptNum == RADIOLIB_NC) {
-            return;
-        }
-        ::attachInterrupt(interruptNum, interruptCb, RADIOLIB_ARDUINOHAL_INTERRUPT_MODE_CAST mode);
-    }
-
-    void detachInterrupt(uint32_t interruptNum) override
-    {
-        if (interruptNum == RADIOLIB_NC) {
-            return;
-        }
-
-        ::detachInterrupt(interruptNum);
-    }
-
-    void delay(unsigned long ms) override { gpioDelay(ms * 1000); }
-
-    void delayMicroseconds(unsigned long us) override { gpioDelay(us); }
-
-    unsigned long millis() override { return (gpioTick() / 1000); }
-
-    unsigned long micros() override { return (gpioTick()); }
-
-    long pulseIn(uint32_t pin, uint32_t state, unsigned long timeout) override
-    {
-        if (pin == RADIOLIB_NC) {
-            return (0);
-        }
-
-        return (::pulseIn(pin, state, timeout));
-    }
-    void spiBegin()
-    {
-        if (_spiHandle < 0) {
-            _spiHandle = spiOpen(_spiChannel, _spiSpeed, 0);
-        }
-    }
-
-    void spiBeginTransaction() {}
-
-    void spiTransfer(uint8_t *out, size_t len, uint8_t *in) { spiXfer(_spiHandle, (char *)out, (char *)in, len); }
-
-    void spiEndTransaction() {}
-
-    void spiEnd()
-    {
-        if (_spiHandle >= 0) {
-            spiClose(_spiHandle);
-            _spiHandle = -1;
-        }
-    }
-
-  private:
-    // the HAL can contain any additional private members
-    const unsigned int _spiSpeed;
-    const uint8_t _spiChannel;
-    int _spiHandle = -1;
-};
-
-#endif
\ No newline at end of file