[hal] Initial SystemCore empty HAL (#7454)

hal/src/main/native/systemcore/AddressableLED.cpp

@@ -0,0 +1,84 @@
+// Copyright (c) FIRST and other WPILib contributors.
+// Open Source Software; you can modify and/or share it under the terms of
+// the WPILib BSD license file in the root directory of this project.
+
+#include "hal/AddressableLED.h"
+
+#include <cstring>
+#include <memory>
+
+#include <fmt/format.h>
+
+#include "HALInitializer.h"
+#include "hal/Errors.h"
+
+using namespace hal;
+
+namespace hal::init {
+void InitializeAddressableLED() {}
+}  // namespace hal::init
+
+extern "C" {
+
+HAL_AddressableLEDHandle HAL_InitializeAddressableLED(
+    HAL_DigitalHandle outputPort, int32_t* status) {
+  hal::init::CheckInit();
+
+  *status = HAL_HANDLE_ERROR;
+  return HAL_kInvalidHandle;
+}
+
+void HAL_FreeAddressableLED(HAL_AddressableLEDHandle handle) {}
+
+void HAL_SetAddressableLEDOutputPort(HAL_AddressableLEDHandle handle,
+                                     HAL_DigitalHandle outputPort,
+                                     int32_t* status) {
+  *status = HAL_HANDLE_ERROR;
+  return;
+}
+
+void HAL_SetAddressableLEDLength(HAL_AddressableLEDHandle handle,
+                                 int32_t length, int32_t* status) {
+  *status = HAL_HANDLE_ERROR;
+  return;
+}
+
+static_assert(sizeof(HAL_AddressableLEDData) == sizeof(uint32_t),
+              "LED Data must be 32 bit");
+
+void HAL_WriteAddressableLEDData(HAL_AddressableLEDHandle handle,
+                                 const struct HAL_AddressableLEDData* data,
+                                 int32_t length, int32_t* status) {
+  *status = HAL_HANDLE_ERROR;
+  return;
+}
+
+void HAL_SetAddressableLEDBitTiming(HAL_AddressableLEDHandle handle,
+                                    int32_t highTime0NanoSeconds,
+                                    int32_t lowTime0NanoSeconds,
+                                    int32_t highTime1NanoSeconds,
+                                    int32_t lowTime1NanoSeconds,
+                                    int32_t* status) {
+  *status = HAL_HANDLE_ERROR;
+  return;
+}
+
+void HAL_SetAddressableLEDSyncTime(HAL_AddressableLEDHandle handle,
+                                   int32_t syncTimeMicroSeconds,
+                                   int32_t* status) {
+  *status = HAL_HANDLE_ERROR;
+  return;
+}
+
+void HAL_StartAddressableLEDOutput(HAL_AddressableLEDHandle handle,
+                                   int32_t* status) {
+  *status = HAL_HANDLE_ERROR;
+  return;
+}
+
+void HAL_StopAddressableLEDOutput(HAL_AddressableLEDHandle handle,
+                                  int32_t* status) {
+  *status = HAL_HANDLE_ERROR;
+  return;
+}
+}  // extern "C"