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