RZ/A1H CMSIS-RTOS RTX BSP for GR-PEACH.

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Show/hide line numbers R_BSP_Ssif.cpp Source File

R_BSP_Ssif.cpp

00001 /*******************************************************************************
00002 * DISCLAIMER
00003 * This software is supplied by Renesas Electronics Corporation and is only
00004 * intended for use with Renesas products. No other uses are authorized. This
00005 * software is owned by Renesas Electronics Corporation and is protected under
00006 * all applicable laws, including copyright laws.
00007 * THIS SOFTWARE IS PROVIDED "AS IS" AND RENESAS MAKES NO WARRANTIES REGARDING
00008 * THIS SOFTWARE, WHETHER EXPRESS, IMPLIED OR STATUTORY, INCLUDING BUT NOT
00009 * LIMITED TO WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE
00010 * AND NON-INFRINGEMENT. ALL SUCH WARRANTIES ARE EXPRESSLY DISCLAIMED.
00011 * TO THE MAXIMUM EXTENT PERMITTED NOT PROHIBITED BY LAW, NEITHER RENESAS
00012 * ELECTRONICS CORPORATION NOR ANY OF ITS AFFILIATED COMPANIES SHALL BE LIABLE
00013 * FOR ANY DIRECT, INDIRECT, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES FOR
00014 * ANY REASON RELATED TO THIS SOFTWARE, EVEN IF RENESAS OR ITS AFFILIATES HAVE
00015 * BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
00016 * Renesas reserves the right, without notice, to make changes to this software
00017 * and to discontinue the availability of this software. By using this software,
00018 * you agree to the additional terms and conditions found by accessing the
00019 * following link:
00020 * http://www.renesas.com/disclaimer*
00021 * Copyright (C) 2015 Renesas Electronics Corporation. All rights reserved.
00022 *******************************************************************************/
00023 
00024 #include "r_bsp_cmn.h"
00025 #include "R_BSP_Ssif.h"
00026 #include "ssif_if.h"
00027 #include "ssif_api.h"
00028 
00029 R_BSP_Ssif::R_BSP_Ssif(PinName sck, PinName ws, PinName tx, PinName rx, uint8_t int_level, int32_t max_write_num, int32_t max_read_num) {
00030     int32_t wk_channel;
00031 
00032     wk_channel = ssif_init(sck, ws, tx, rx);
00033     if (wk_channel != NC) {
00034         ssif_ch      = wk_channel;
00035 
00036         ssif_cfg.enabled                = true;
00037         ssif_cfg.int_level              = 0x78;
00038         ssif_cfg.slave_mode             = true;
00039         ssif_cfg.sample_freq            = 44100u;
00040         ssif_cfg.clk_select             = SSIF_CFG_CKS_AUDIO_X1;
00041         ssif_cfg.multi_ch               = SSIF_CFG_MULTI_CH_1;
00042         ssif_cfg.data_word              = SSIF_CFG_DATA_WORD_16;
00043         ssif_cfg.system_word            = SSIF_CFG_SYSTEM_WORD_32;
00044         ssif_cfg.bclk_pol               = SSIF_CFG_FALLING;
00045         ssif_cfg.ws_pol                 = SSIF_CFG_WS_LOW;
00046         ssif_cfg.padding_pol            = SSIF_CFG_PADDING_LOW;
00047         ssif_cfg.serial_alignment       = SSIF_CFG_DATA_FIRST;
00048         ssif_cfg.parallel_alignment     = SSIF_CFG_LEFT;
00049         ssif_cfg.ws_delay               = SSIF_CFG_DELAY;
00050         ssif_cfg.noise_cancel           = SSIF_CFG_ENABLE_NOISE_CANCEL;
00051         ssif_cfg.tdm_mode               = SSIF_CFG_DISABLE_TDM;
00052         ssif_cfg.romdec_direct.mode     = SSIF_CFG_DISABLE_ROMDEC_DIRECT;
00053         ssif_cfg.romdec_direct.p_cbfunc = NULL;
00054 
00055         init_channel(R_SSIF_MakeCbTbl_mbed(), ssif_ch, &ssif_cfg, max_write_num, max_read_num);
00056     }
00057 }
00058 
00059 R_BSP_Ssif::~R_BSP_Ssif() {
00060     // do nothing
00061 }
00062 
00063 bool R_BSP_Ssif::ConfigChannel(const ssif_channel_cfg_t* const p_ch_cfg) {
00064     return ioctl(SSIF_CONFIG_CHANNEL, (void *)p_ch_cfg);
00065 }
00066 
00067 bool R_BSP_Ssif::GetStatus(uint32_t* const p_status) {
00068     return ioctl(SSIF_CONFIG_CHANNEL, (void *)p_status);
00069 }