[EFR32] Add initial support for EFR32

Adding target definitions and the HAL implementation for EFR32 Mighty Gecko

Author: stevew817

targets/TARGET_Silicon_Labs/TARGET_EFM32/TARGET_EFR32MG1/PeripheralNames.h

@@ -0,0 +1,64 @@
+/***************************************************************************//**
+ * @file PeripheralNames.h
+ *******************************************************************************
+ * @section License
+ * <b>(C) Copyright 2015 Silicon Labs, http://www.silabs.com</b>
+ *******************************************************************************
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may
+ * not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************/
+#ifndef MBED_PERIPHERALNAMES_H
+#define MBED_PERIPHERALNAMES_H
+
+#include "em_adc.h"
+#include "em_usart.h"
+#include "em_i2c.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef enum {
+    ADC_0 = ADC0_BASE
+} ADCName;
+
+typedef enum {
+    I2C_0 = I2C0_BASE,
+} I2CName;
+
+typedef enum {
+    PWM_CH0 = 0,
+    PWM_CH1 = 1,
+    PWM_CH2 = 2,
+    PWM_CH3 = 3
+} PWMName;
+
+typedef enum {
+    USART_0 = USART0_BASE,
+    USART_1 = USART1_BASE,
+    LEUART_0 = LEUART0_BASE,
+} UARTName;
+
+typedef enum {
+    SPI_0 = USART0_BASE,
+    SPI_1 = USART1_BASE,
+} SPIName;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif