Diff: targets/TARGET_Silicon_Labs/TARGET_EFM32/TARGET_EFM32PG_STK3401/device_peripherals.h

Revision:

149:156823d33999

Parent:

144:ef7eb2e8f9f7

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/targets/TARGET_Silicon_Labs/TARGET_EFM32/TARGET_EFM32PG_STK3401/device_peripherals.h	Fri Oct 28 11:17:30 2016 +0100
@@ -0,0 +1,94 @@
+/***************************************************************************//**
+ * @file device_peripherals.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_DEVICE_PERIPHERALS_H
+#define MBED_DEVICE_PERIPHERALS_H
+
+/* us ticker */
+#define US_TICKER_TIMER         TIMER0
+#define US_TICKER_TIMER_CLOCK   cmuClock_TIMER0
+#define US_TICKER_TIMER_IRQ     TIMER0_IRQn
+
+/* PWM */
+#define PWM_TIMER        TIMER1
+#define PWM_TIMER_CLOCK  cmuClock_TIMER1
+#define PWM_ROUTE        TIMER_ROUTE_LOCATION_LOC1
+
+/* Clocks */
+
+/* Clock definitions */
+#define LFXO    0
+#define HFXO    1
+#define LFRCO   2
+#define HFRCO   3
+#define ULFRCO  4
+
+
+/* Low Energy peripheral clock source.
+ * Options:
+ *  * LFXO: external crystal, please define frequency.
+ *  * LFRCO: internal RC oscillator (32.768kHz)
+ *  * ULFRCO: internal ultra-low power RC oscillator (available down to EM3) (1kHz)
+ */
+#define LOW_ENERGY_CLOCK_SOURCE     LFXO
+
+/** Core clock source.
+ * Options:
+ *  * HFXO: external crystal, please define frequency.
+ *  * HFRCO: High-frequency internal RC oscillator. Please select frequency as well.
+ */
+#define CORE_CLOCK_SOURCE       HFXO
+
+/** HFRCO frequency selection
+ * Options:
+ *   ** HFRCO_FREQUENCY_ENUM ** HFRCO_FREQUENCY **
+ *  *   cmuHFRCOFreq_1M0Hz   ==    1000000        *
+ *  *   cmuHFRCOFreq_2M0Hz   ==    2000000        *
+ *  *   cmuHFRCOFreq_4M0Hz   ==    4000000        *
+ *  *   cmuHFRCOFreq_7M0Hz   ==    7000000        *
+ *  *   cmuHFRCOFreq_13M0Hz  ==   13000000        *
+ *  *   cmuHFRCOFreq_16M0Hz  ==   16000000        *
+ *  *   cmuHFRCOFreq_19M0Hz  ==   19000000        *
+ *  *   cmuHFRCOFreq_26M0Hz  ==   26000000        *
+ *  *   cmuHFRCOFreq_32M0Hz  ==   32000000        *
+ *  *   cmuHFRCOFreq_38M0Hz  ==   38000000        *
+ *   *********************************************
+ */
+ 
+/* Make sure the settings of HFRCO_FREQUENCY and HFRCO_FREQUENCY_ENUM match, or timings will be faulty! */
+#define HFRCO_FREQUENCY_ENUM    cmuHFRCOFreq_19M0Hz
+#define HFRCO_FREQUENCY         19000000
+
+#define LFXO_FREQUENCY          32768
+#define HFXO_FREQUENCY          40000000
+
+#if (LOW_ENERGY_CLOCK_SOURCE == LFXO)
+#define LOW_ENERGY_CLOCK_FREQUENCY  LFXO_FREQUENCY
+#elif (LOW_ENERGY_CLOCK_SOURCE == LFRCO)
+#define LOW_ENERGY_CLOCK_FREQUENCY  32768
+#elif (LOW_ENERGY_CLOCK_SOURCE == ULFRCO)
+#define LOW_ENERGY_CLOCK_FREQUENCY  1000
+#else
+#error "Unknown Low Energy Clock selection"
+#endif
+
+#endif