93 lines
3.4 KiB
C
93 lines
3.4 KiB
C
/*
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* Copyright (c) 2015, Texas Instruments Incorporated - http://www.ti.com/
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the copyright holder nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*---------------------------------------------------------------------------*/
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/**
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* \addtogroup rf-switch
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* @{
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*
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* \file
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* CC1350 LP RF switch driver
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*/
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/*---------------------------------------------------------------------------*/
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#include "contiki-conf.h"
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#include "lpm.h"
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#include "rf-core/rf-switch.h"
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#include "ti-lib.h"
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#include <stdint.h>
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#include <string.h>
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#include <stdbool.h>
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/*---------------------------------------------------------------------------*/
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#define POWER_PIN IOID_30
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#define SELECT_PIN IOID_1
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/*---------------------------------------------------------------------------*/
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static void
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shutdown_handler(uint8_t mode)
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{
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ti_lib_gpio_clear_dio(POWER_PIN);
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}
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/*---------------------------------------------------------------------------*/
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/*
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* Declare a data structure to register with LPM. Always turn off the switch
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* when we are dropping to deep sleep. We let the RF driver turn it on though.
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*/
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LPM_MODULE(rf_switch_module, NULL, shutdown_handler, NULL, LPM_DOMAIN_NONE);
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/*---------------------------------------------------------------------------*/
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void
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rf_switch_init()
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{
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ti_lib_rom_ioc_pin_type_gpio_output(POWER_PIN);
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ti_lib_gpio_clear_dio(POWER_PIN);
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ti_lib_rom_ioc_pin_type_gpio_output(SELECT_PIN);
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ti_lib_gpio_clear_dio(SELECT_PIN);
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lpm_register_module(&rf_switch_module);
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}
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/*---------------------------------------------------------------------------*/
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void
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rf_switch_power_up()
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{
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ti_lib_gpio_set_dio(POWER_PIN);
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}
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/*---------------------------------------------------------------------------*/
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void
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rf_switch_power_down()
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{
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ti_lib_gpio_clear_dio(POWER_PIN);
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}
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/*---------------------------------------------------------------------------*/
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void
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rf_switch_select_path(uint8_t path)
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{
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ti_lib_gpio_write_dio(SELECT_PIN, path);
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}
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/*---------------------------------------------------------------------------*/
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/** @} */
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