Silabs - Fix unblock/block declaration, implement gpio_is_connected

Author: 0xc0170

libraries/mbed/targets/hal/TARGET_Silicon_Labs/TARGET_EFM32/gpio_api.c

@@ -17,6 +17,7 @@
 #include "pinmap.h"
 #include "em_cmu.h"
 #include "mbed_assert.h"
+#include "sleepmodes.h"
 
 uint8_t gpio_get_index(gpio_t *obj)
 {

libraries/mbed/targets/hal/TARGET_Silicon_Labs/TARGET_EFM32/gpio_irq_api.c

@@ -25,6 +25,7 @@
 #include "em_int.h"
 #include "em_cmu.h"
 #include "sleep_api.h"
+#include "sleepmodes.h"
 
 #define NUM_GPIO_CHANNELS (16)
 #define GPIO_LEAST_ACTIVE_SLEEPMODE EM3

libraries/mbed/targets/hal/TARGET_Silicon_Labs/TARGET_EFM32/gpio_object.h

@@ -48,6 +48,10 @@ static inline int gpio_read(gpio_t *obj)
     }
 }
 
+static inline int gpio_is_connected(const gpio_t *obj) {
+    return obj->pin != (PinName)NC;
+}
+
 #ifdef __cplusplus
 }
 #endif

libraries/mbed/targets/hal/TARGET_Silicon_Labs/TARGET_EFM32/i2c_api.c

@@ -24,6 +24,7 @@
 #include "i2c_api.h"
 #include "PeripheralPins.h"
 #include "pinmap_function.h"
+#include "sleepmodes.h"
 
 #include "em_i2c.h"
 #include "em_cmu.h"

libraries/mbed/targets/hal/TARGET_Silicon_Labs/TARGET_EFM32/rtc_api.c

@@ -22,6 +22,7 @@
 #include "em_cmu.h"
 #include "em_rtc.h"
 #include "sleep_api.h"
+#include "sleepmodes.h"
 
 static bool rtc_inited = false;
 static time_t time_base = 0;

libraries/mbed/targets/hal/TARGET_Silicon_Labs/TARGET_EFM32/serial_api.c

@@ -36,6 +36,7 @@
 #include "dma_api.h"
 #include "sleep_api.h"
 #include "buffer.h"
+#include "sleepmodes.h"
 
 #define SERIAL_LEAST_ACTIVE_SLEEPMODE EM1
 #define SERIAL_LEAST_ACTIVE_SLEEPMODE_LEUART EM2
@@ -227,7 +228,7 @@ inline IRQn_Type serial_get_rx_irq_index(serial_t *obj)
         default:
             MBED_ASSERT(0);
     }
-    return 0;
+    return (IRQn_Type)0;
 }
 
 /**
@@ -270,7 +271,7 @@ inline IRQn_Type serial_get_tx_irq_index(serial_t *obj)
         default:
             MBED_ASSERT(0);
     }
-    return 0;
+    return (IRQn_Type)0;
 }
 
 /**

libraries/mbed/targets/hal/TARGET_Silicon_Labs/TARGET_EFM32/sleep.c

@@ -18,6 +18,7 @@
 #if DEVICE_SLEEP
 
 #include "sleep_api.h"
+#include "sleepmodes.h"
 #include "cmsis.h"
 #include "em_emu.h"
 #include "em_int.h"

libraries/mbed/targets/hal/TARGET_Silicon_Labs/TARGET_EFM32/sleepmodes.h

@@ -0,0 +1,32 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2015 ARM Limited
+ *
+ * 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_SLEEPMODES_H
+#define MBED_SLEEPMODES_H
+
+#include "em_gpio.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+void blockSleepMode(sleepstate_enum minimumMode);
+void unblockSleepMode(sleepstate_enum minimumMode);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif

libraries/mbed/targets/hal/TARGET_Silicon_Labs/TARGET_EFM32/spi_api.c

@@ -30,6 +30,7 @@
 #include "em_cmu.h"
 #include "em_dma.h"
 #include "sleep_api.h"
+#include "sleepmodes.h"
 
 static uint16_t fill_word = SPI_FILL_WORD;
 #define SPI_LEAST_ACTIVE_SLEEPMODE EM1

libraries/mbed/targets/hal/TARGET_Silicon_Labs/TARGET_EFM32/us_ticker.c

@@ -23,6 +23,7 @@
 #include "device.h"
 #include "clocking.h"
 #include "sleep_api.h"
+#include "sleepmodes.h"
 
 #define TIMER_LEAST_ACTIVE_SLEEPMODE EM1
 /**