Contiki-NG
antenna.c
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1 /*
2  * Copyright (c) 2014, Thingsquare, http://www.thingsquare.com/.
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  * notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  * notice, this list of conditions and the following disclaimer in the
12  * documentation and/or other materials provided with the distribution.
13  * 3. Neither the name of the copyright holder nor the names of its
14  * contributors may be used to endorse or promote products derived
15  * from this software without specific prior written permission.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
19  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
20  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
21  * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
22  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
23  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
24  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
26  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
28  * OF THE POSSIBILITY OF SUCH DAMAGE.
29  *
30  * This file is part of the Contiki operating system.
31  *
32  */
33 /*---------------------------------------------------------------------------*/
34 /**
35  * \addtogroup openmote-antenna
36  * @{
37  *
38  * Driver for the OpenMote-CC2538 RF switch.
39  * INT is the internal antenna (chip) configured through ANT1_SEL (V1)
40  * EXT is the external antenna (connector) configured through ANT2_SEL (V2)
41  * @{
42  *
43  * \file
44  * Driver implementation for the OpenMote-CC2538 antenna switch
45  */
46 /*---------------------------------------------------------------------------*/
47 #include "contiki.h"
48 #include "dev/gpio.h"
49 #include "dev/antenna.h"
50 /*---------------------------------------------------------------------------*/
51 void
53 {
54  /* Configure the ANT1 and ANT2 GPIO as output */
55  GPIO_SET_OUTPUT(ANTENNA_BSP_RADIO_BASE, ANTENNA_BSP_RADIO_INT);
56  GPIO_SET_OUTPUT(ANTENNA_BSP_RADIO_BASE, ANTENNA_BSP_RADIO_EXT);
57 
58  /* Select external antenna by default. */
60 }
61 /*---------------------------------------------------------------------------*/
62 void
64 {
65  GPIO_WRITE_PIN(ANTENNA_BSP_RADIO_BASE, ANTENNA_BSP_RADIO_INT, 0);
66  GPIO_WRITE_PIN(ANTENNA_BSP_RADIO_BASE, ANTENNA_BSP_RADIO_EXT, 1);
67 }
68 /*---------------------------------------------------------------------------*/
69 void
71 {
72  GPIO_WRITE_PIN(ANTENNA_BSP_RADIO_BASE, ANTENNA_BSP_RADIO_EXT, 0);
73  GPIO_WRITE_PIN(ANTENNA_BSP_RADIO_BASE, ANTENNA_BSP_RADIO_INT, 1);
74 }
75 /*---------------------------------------------------------------------------*/
76 /**
77  * @}
78  * @}
79  */
void antenna_internal(void)
Select the external (connector) antenna.
Definition: antenna.c:70
#define GPIO_WRITE_PIN(PORT_BASE, PIN_MASK, value)
Set pins with PIN_MASK of port with PORT_BASE to value.
Definition: gpio.h:134
Header file with register and macro declarations for the cc2538 GPIO module.
Header for the OpenMote-CC2538 antenna switch.
void antenna_external(void)
Select the internal (chip) antenna.
Definition: antenna.c:63
void antenna_init(void)
Initialize the antenna switch, by default it uses the external.
Definition: antenna.c:52
#define GPIO_SET_OUTPUT(PORT_BASE, PIN_MASK)
Set pins with PIN_MASK of port with PORT_BASE to output.
Definition: gpio.h:85