/* * Copyright (c) 2013-2020 Arm Limited. All rights reserved. * * SPDX-License-Identifier: Apache-2.0 * * 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 * * 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. */ #include "Driver_SAI.h" #define ARM_SAI_DRV_VERSION ARM_DRIVER_VERSION_MAJOR_MINOR(1, 0) /* driver version */ /* Driver Version */ static const ARM_DRIVER_VERSION DriverVersion = { ARM_SAI_API_VERSION, ARM_SAI_DRV_VERSION }; /* Driver Capabilities */ static const ARM_SAI_CAPABILITIES DriverCapabilities = { 1, /* supports asynchronous Transmit/Receive */ 0, /* supports synchronous Transmit/Receive */ 0, /* supports user defined Protocol */ 1, /* supports I2S Protocol */ 0, /* supports MSB/LSB justified Protocol */ 0, /* supports PCM short/long frame Protocol */ 0, /* supports AC'97 Protocol */ 0, /* supports Mono mode */ 0, /* supports Companding */ 0, /* supports MCLK (Master Clock) pin */ 0, /* supports Frame error event: \ref ARM_SAI_EVENT_FRAME_ERROR */ 0 /* reserved (must be zero) */ }; // // Functions // static ARM_DRIVER_VERSION ARM_SAI_GetVersion (void) { return DriverVersion; } static ARM_SAI_CAPABILITIES ARM_SAI_GetCapabilities (void) { return DriverCapabilities; } static int32_t ARM_SAI_Initialize (ARM_SAI_SignalEvent_t cb_event) { } static int32_t ARM_SAI_Uninitialize (void) { } static int32_t ARM_SAI_PowerControl (ARM_POWER_STATE state) { switch (state) { case ARM_POWER_OFF: break; case ARM_POWER_LOW: break; case ARM_POWER_FULL: break; } return ARM_DRIVER_OK; } static int32_t ARM_SAI_Send (const void *data, uint32_t num) { } static int32_t ARM_SAI_Receive (void *data, uint32_t num) { } static uint32_t ARM_SAI_GetTxCount (void) { } static uint32_t ARM_SAI_GetRxCount (void) { } static int32_t ARM_SAI_Control (uint32_t control, uint32_t arg1, uint32_t arg2) { } static ARM_SAI_STATUS ARM_SAI_GetStatus (void) { } static void ARM_SAI_SignalEvent(uint32_t event) { // function body } // End SAI Interface extern \ ARM_DRIVER_SAI Driver_SAI0; ARM_DRIVER_SAI Driver_SAI0 = { ARM_SAI_GetVersion, ARM_SAI_GetCapabilities, ARM_SAI_Initialize, ARM_SAI_Uninitialize, ARM_SAI_PowerControl, ARM_SAI_Send, ARM_SAI_Receive, ARM_SAI_GetTxCount, ARM_SAI_GetRxCount, ARM_SAI_Control, ARM_SAI_GetStatus };