AP_HAL_Linux: update Device interface

libraries/AP_HAL_Linux/I2CDevice.cpp

@@ -219,6 +219,18 @@ int I2CDevice::get_fd()
     return _bus.fd;
 }
 
+AP_HAL::Device::PeriodicHandle I2CDevice::register_periodic_callback(
+    uint32_t period_usec, AP_HAL::Device::PeriodicCb)
+{
+    return nullptr;
+}
+
+bool I2CDevice::adjust_periodic_callback(
+    AP_HAL::Device::PeriodicHandle h, uint32_t period_usec)
+{
+    return false;
+}
+
 I2CDeviceManager::I2CDeviceManager()
 {
     /* Reserve space up-front for 4 buses */

libraries/AP_HAL_Linux/I2CDevice.h

@@ -69,12 +69,12 @@ public:
     AP_HAL::Semaphore *get_semaphore() override;
 
     /* See AP_HAL::Device::register_periodic_callback() */
-    AP_HAL::Device::PeriodicHandle *register_periodic_callback(
-        uint32_t period_usec, AP_HAL::MemberProc) override
-    {
-        /* Not implemented yet */
-        return nullptr;
-    };
+    AP_HAL::Device::PeriodicHandle register_periodic_callback(
+        uint32_t period_usec, AP_HAL::Device::PeriodicCb) override;
+
+    /* See AP_HAL::Device::adjust_periodic_callback() */
+    bool adjust_periodic_callback(
+        AP_HAL::Device::PeriodicHandle h, uint32_t period_usec) override;
 
     /* See AP_HAL::Device::get_fd() */
     int get_fd() override;

libraries/AP_HAL_Linux/SPIDevice.h

@@ -51,8 +51,8 @@ public:
     AP_HAL::Semaphore *get_semaphore() override;
 
     /* See AP_HAL::Device::register_periodic_callback() */
-    AP_HAL::Device::PeriodicHandle *register_periodic_callback(
-        uint32_t period_usec, AP_HAL::MemberProc) override
+    AP_HAL::Device::PeriodicHandle register_periodic_callback(
+        uint32_t period_usec, AP_HAL::Device::PeriodicCb) override
     {
         return nullptr;
     }