/* * Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved. * SPDX-License-Identifier: MIT-0 * * Permission is hereby granted, free of charge, to any person obtaining a copy of this * software and associated documentation files (the "Software"), to deal in the Software * without restriction, including without limitation the rights to use, copy, modify, * merge, publish, distribute, sublicense, and/or sell copies of the Software, and to * permit persons to whom the Software is furnished to do so. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A * PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ /** * @file buzz_library.c * @brief Functions to interact with OBD dongle buzzer. */ /* Kernel includes. */ #include "FreeRTOS.h" #include "task.h" #include "FreeRTOS_IO.h" #include "buzz_device.h" /*-----------------------------------------------------------*/ #define BUZZ_BEEP_FREQUENCY ( 2000 ) #define BUZZ_BEEP_INTERVAL_MS ( 50 ) /*-----------------------------------------------------------*/ void buzz_playtone( Peripheral_Descriptor_t buzzDevice, uint16_t freq, uint32_t durationMs ) { FreeRTOS_ioctl( buzzDevice, ioctlBUZZ_SET_FREQUENCY, &freq ); FreeRTOS_ioctl( buzzDevice, ioctlBUZZ_ON, NULL ); vTaskDelay( pdMS_TO_TICKS( durationMs ) ); FreeRTOS_ioctl( buzzDevice, ioctlBUZZ_OFF, NULL ); } /*-----------------------------------------------------------*/ void buzz_beep( Peripheral_Descriptor_t buzzDevice, uint32_t beepDurationMs, uint32_t times ) { uint32_t i = 0; uint16_t freq = BUZZ_BEEP_FREQUENCY; FreeRTOS_ioctl( buzzDevice, ioctlBUZZ_SET_FREQUENCY, &freq ); for( i = 0; i < times; i++ ) { vTaskDelay( pdMS_TO_TICKS( BUZZ_BEEP_INTERVAL_MS ) ); FreeRTOS_ioctl( buzzDevice, ioctlBUZZ_ON, NULL ); vTaskDelay( pdMS_TO_TICKS( beepDurationMs ) ); FreeRTOS_ioctl( buzzDevice, ioctlBUZZ_OFF, NULL ); } } void buzz_init( Peripheral_Descriptor_t buzzDevice ) { } /*-----------------------------------------------------------*/