RPI: core dump

Author: pschatzmann

ArduinoCore-Linux/cores/rasperry_pi/HardwareGPIO_RPI.cpp

@@ -13,11 +13,11 @@ namespace arduino {
 static std::map<pin_size_t, gpiod_line*> gpio_lines;
 static gpiod_chip* gpio_chip = nullptr;
 
-HardwareGPIO_RPI::HardwareGPIO_RPI() {
+HardwareGPIO_RPI::begin() {
   Logger.warning("Activating Rasperry PI: GPIO");
-  gpio_chip = gpiod_chip_open_by_name("gpiochip0");
+  gpio_chip = gpiod_chip_open_by_name(device_name);
   if (!gpio_chip) {
-    Logger.error("HardwareGPIO_RPI", "Failed to open gpiochip0");
+    Logger.error("HardwareGPIO_RPI", "Failed to open", device_name);
   } else {
     is_open = true;
   }

ArduinoCore-Linux/cores/rasperry_pi/HardwareGPIO_RPI.h

@@ -24,13 +24,16 @@ class HardwareGPIO_RPI : public HardwareGPIO {
   /**
    * @brief Constructor for HardwareGPIO_RPI.
    */
-  HardwareGPIO_RPI();
+  HardwareGPIO_RPI() = default;
+  HardwareGPIO_RPI(const char* devName) : device_name(devName) {}
 
   /**
    * @brief Destructor for HardwareGPIO_RPI.
    */
   ~HardwareGPIO_RPI();
 
+  void begin();
+
   /**
    * @brief Set the mode of a GPIO pin (INPUT, OUTPUT, etc).
    */
@@ -108,6 +111,7 @@ class HardwareGPIO_RPI : public HardwareGPIO {
   /** PWM-capable pins on Raspberry Pi */
   int pwm_pins[4] = {12, 13, 18, 19};
   bool is_open = false;
+  const char* device_name = "gpiochip0"
 };
 
 }  // namespace arduino

ArduinoCore-Linux/cores/rasperry_pi/HardwareI2C_RPI.h

@@ -24,7 +24,6 @@ class HardwareI2C_RPI : public HardwareI2C {
  public:
   HardwareI2C_RPI(const char* device = "/dev/i2c-1") {
     i2c_device = device;
-    begin();
   }
   ~HardwareI2C_RPI() {
     end();

ArduinoCore-Linux/cores/rasperry_pi/HardwareSPI_RPI.cpp

@@ -16,7 +16,6 @@ namespace arduino {
 HardwareSPI_RPI::HardwareSPI_RPI(const char* device) {
   spi_fd = -1;
   this->device = device;
-  begin();
 }
 
 HardwareSPI_RPI::~HardwareSPI_RPI() {

ArduinoCore-Linux/cores/rasperry_pi/HardwareSetupRPI.h

@@ -30,6 +30,9 @@ class HardwareSetupRPI {
    */
   bool begin() {
     Logger.info("Using Raspberry Pi hardware interfaces");
+    gpio.begin();
+    i2c.begin();
+    spi.begin();
     Hardware.gpio = &gpio;
     Hardware.i2c = &i2c;
     Hardware.spi = &spi;