RZ/A1H CMSIS-RTOS RTX BSP for GR-PEACH.
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SSIF
The SSIF driver implements transmission and reception functionality which uses the SSIF in the RZ/A Series.
Hello World!
Import program
00001 #include "mbed.h" 00002 #include "R_BSP_Ssif.h" 00003 #include "sine_data_tbl.h" 00004 00005 //I2S send only, The upper limit of write buffer is 8. 00006 R_BSP_Ssif ssif(P4_4, P4_5, P4_7, P4_6, 0x80, 8, 0); 00007 00008 static void callback_ssif_write_end(void * p_data, int32_t result, void * p_app_data) { 00009 if (result < 0) { 00010 printf("ssif write callback error %d\n", result); 00011 } 00012 } 00013 00014 int main() { 00015 rbsp_data_conf_t ssif_write_end_conf = {&callback_ssif_write_end, NULL}; 00016 ssif_channel_cfg_t ssif_cfg; 00017 int32_t result; 00018 00019 //I2S Master, 44.1kHz, 16bit, 2ch 00020 ssif_cfg.enabled = true; 00021 ssif_cfg.int_level = 0x78; 00022 ssif_cfg.slave_mode = false; 00023 ssif_cfg.sample_freq = 44100u; 00024 ssif_cfg.clk_select = SSIF_CFG_CKS_AUDIO_X1; 00025 ssif_cfg.multi_ch = SSIF_CFG_MULTI_CH_1; 00026 ssif_cfg.data_word = SSIF_CFG_DATA_WORD_16; 00027 ssif_cfg.system_word = SSIF_CFG_SYSTEM_WORD_32; 00028 ssif_cfg.bclk_pol = SSIF_CFG_FALLING; 00029 ssif_cfg.ws_pol = SSIF_CFG_WS_LOW; 00030 ssif_cfg.padding_pol = SSIF_CFG_PADDING_LOW; 00031 ssif_cfg.serial_alignment = SSIF_CFG_DATA_FIRST; 00032 ssif_cfg.parallel_alignment = SSIF_CFG_LEFT; 00033 ssif_cfg.ws_delay = SSIF_CFG_DELAY; 00034 ssif_cfg.noise_cancel = SSIF_CFG_DISABLE_NOISE_CANCEL; 00035 ssif_cfg.tdm_mode = SSIF_CFG_DISABLE_TDM; 00036 ssif_cfg.romdec_direct.mode = SSIF_CFG_DISABLE_ROMDEC_DIRECT; 00037 ssif_cfg.romdec_direct.p_cbfunc = NULL; 00038 result = ssif.ConfigChannel(&ssif_cfg); 00039 if (result < 0) { 00040 printf("ssif config error %d\n", result); 00041 } 00042 00043 while (1) { 00044 //The upper limit of write buffer is 8. 00045 result = ssif.write((void *)sin_data_44100Hz_16bit_2ch, 00046 sizeof(sin_data_44100Hz_16bit_2ch), &ssif_write_end_conf); 00047 if (result < 0) { 00048 printf("ssif write api error %d\n", result); 00049 } 00050 } 00051 }
API
Import library
Public Member Functions |
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R_BSP_Ssif (PinName sck, PinName ws, PinName tx, PinName rx, uint8_t int_level=0x80, int32_t max_write_num=16, int32_t max_read_num=16) | |
Constructor.
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virtual | ~R_BSP_Ssif () |
Destructor.
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int32_t | GetSsifChNo (void) |
Get a value of SSIF channel number.
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bool | ConfigChannel (const ssif_channel_cfg_t *const p_ch_cfg) |
Save configuration to the SSIF driver.
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bool | GetStatus (uint32_t *const p_status) |
Get a value of SSISR register.
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int32_t | write (void *const p_data, uint32_t data_size, const rbsp_data_conf_t *const p_data_conf=NULL) |
Write count bytes to the file associated.
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int32_t | read (void *const p_data, uint32_t data_size, const rbsp_data_conf_t *const p_data_conf=NULL) |
Read count bytes to the file associated.
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Protected Member Functions |
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void | write_init (void *handle, void *p_func_a, int32_t max_buff_num=16) |
Write init.
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void | read_init (void *handle, void *p_func_a, int32_t max_buff_num=16) |
Read init.
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Interface
See the Pinout page for more details
SCUX
The SCUX module consists of a sampling rate converter, a digital volume unit, and a mixer.
The SCUX driver can perform asynchronous and synchronous sampling rate conversions using the sampling rate converter. The SCUX driver uses the DMA transfer mode to input and output audio data.
Hello World!
Import program
00001 #include "mbed.h" 00002 #include "R_BSP_Scux.h" 00003 #include "USBHostMSD.h" 00004 00005 R_BSP_Scux scux(SCUX_CH_0); 00006 00007 #define WRITE_SAMPLE_NUM (128) 00008 #define READ_SAMPLE_NUM (2048) 00009 00010 const short sin_data[WRITE_SAMPLE_NUM] = { 00011 0x0000,0x0000,0x0C8C,0x0C8C,0x18F9,0x18F9,0x2528,0x2528 00012 ,0x30FB,0x30FB,0x3C56,0x3C56,0x471C,0x471C,0x5133,0x5133 00013 ,0x5A82,0x5A82,0x62F1,0x62F1,0x6A6D,0x6A6D,0x70E2,0x70E2 00014 ,0x7641,0x7641,0x7A7C,0x7A7C,0x7D89,0x7D89,0x7F61,0x7F61 00015 ,0x7FFF,0x7FFF,0x7F61,0x7F61,0x7D89,0x7D89,0x7A7C,0x7A7C 00016 ,0x7641,0x7641,0x70E2,0x70E2,0x6A6D,0x6A6D,0x62F1,0x62F1 00017 ,0x5A82,0x5A82,0x5133,0x5133,0x471C,0x471C,0x3C56,0x3C56 00018 ,0x30FB,0x30FB,0x2528,0x2528,0x18F9,0x18F9,0x0C8C,0x0C8C 00019 ,0x0000,0x0000,0xF374,0xF374,0xE707,0xE707,0xDAD8,0xDAD8 00020 ,0xCF05,0xCF05,0xC3AA,0xC3AA,0xB8E4,0xB8E4,0xAECD,0xAECD 00021 ,0xA57E,0xA57E,0x9D0F,0x9D0F,0x9593,0x9593,0x8F1E,0x8F1E 00022 ,0x89BF,0x89BF,0x8584,0x8584,0x8277,0x8277,0x809F,0x809F 00023 ,0x8001,0x8001,0x809F,0x809F,0x8277,0x8277,0x8584,0x8584 00024 ,0x89BF,0x89BF,0x8F1E,0x8F1E,0x9593,0x9593,0x9D0F,0x9D0F 00025 ,0xA57E,0xA57E,0xAECD,0xAECD,0xB8E4,0xB8E4,0xC3AA,0xC3AA 00026 ,0xCF05,0xCF05,0xDAD8,0xDAD8,0xE707,0xE707,0xF374,0xF374 00027 }; 00028 00029 #if defined(__ICCARM__) 00030 #pragma data_alignment=4 00031 short write_buff[WRITE_SAMPLE_NUM]@ ".mirrorram"; 00032 #pragma data_alignment=4 00033 short read_buff[READ_SAMPLE_NUM]@ ".mirrorram"; 00034 #else 00035 short write_buff[WRITE_SAMPLE_NUM] __attribute((section("NC_BSS"),aligned(4))); 00036 short read_buff[READ_SAMPLE_NUM] __attribute((section("NC_BSS"),aligned(4))); 00037 #endif 00038 00039 void scux_setup(void); 00040 void write_task(void const*); 00041 void file_output_to_usb(void); 00042 00043 int main(void) { 00044 // set up SRC parameters. 00045 scux_setup(); 00046 00047 printf("Sampling rate conversion Start.\n"); 00048 // start accepting transmit/receive requests. 00049 scux.TransStart(); 00050 00051 // create a new thread to write to SCUX. 00052 Thread writeTask(write_task, NULL, osPriorityNormal, 1024 * 4); 00053 00054 // receive request to the SCUX driver. 00055 scux.read(read_buff, sizeof(read_buff)); 00056 printf("Sampling rate conversion End.\n"); 00057 00058 // output binary file to USB port 0. 00059 file_output_to_usb(); 00060 } 00061 00062 void scux_setup(void) { 00063 scux_src_usr_cfg_t src_cfg; 00064 00065 src_cfg.src_enable = true; 00066 src_cfg.word_len = SCUX_DATA_LEN_16; 00067 src_cfg.mode_sync = true; 00068 src_cfg.input_rate = SAMPLING_RATE_48000HZ; 00069 src_cfg.output_rate = SAMPLING_RATE_96000HZ; 00070 src_cfg.select_in_data_ch[0] = SELECT_IN_DATA_CH_0; 00071 src_cfg.select_in_data_ch[1] = SELECT_IN_DATA_CH_1; 00072 00073 scux.SetSrcCfg(&src_cfg); 00074 } 00075 00076 void scux_flush_callback(int scux_ch) { 00077 // do nothing 00078 } 00079 00080 void write_task(void const*) { 00081 memcpy(write_buff, sin_data, sizeof(write_buff)); 00082 // send request to the SCUX driver. 00083 scux.write(write_buff, sizeof(write_buff)); 00084 00085 // stop the acceptance of transmit/receive requests. 00086 scux.FlushStop(&scux_flush_callback); 00087 } 00088 00089 void file_output_to_usb(void) { 00090 FILE * fp = NULL; 00091 int i; 00092 00093 USBHostMSD msd("usb"); 00094 00095 // try to connect a MSD device 00096 for(i = 0; i < 10; i++) { 00097 if (msd.connect()) { 00098 break; 00099 } 00100 wait(0.5); 00101 } 00102 00103 if (msd.connected()) { 00104 fp = fopen("/usb/scux_input.dat", "rb"); 00105 if (fp == NULL) { 00106 fp = fopen("/usb/scux_input.dat", "wb"); 00107 if (fp != NULL) { 00108 fwrite(write_buff, sizeof(short), WRITE_SAMPLE_NUM, fp); 00109 fclose(fp); 00110 printf("Output binary file(Input data) to USB.\n"); 00111 } else { 00112 printf("Failed to output binary file(Input data).\n"); 00113 } 00114 } else { 00115 printf("Binary file(Input data) exists.\n"); 00116 fclose(fp); 00117 } 00118 00119 fp = fopen("/usb/scux_output.dat", "rb"); 00120 if (fp == NULL) { 00121 fp = fopen("/usb/scux_output.dat", "wb"); 00122 if (fp != NULL) { 00123 fwrite(read_buff, sizeof(short), READ_SAMPLE_NUM, fp); 00124 fclose(fp); 00125 printf("Output binary file(Output data) to USB.\n"); 00126 } else { 00127 printf("Failed to output binary file(Output data).\n"); 00128 } 00129 } else { 00130 printf("Binary file(Output data) exists.\n"); 00131 fclose(fp); 00132 } 00133 } else { 00134 printf("Failed to connect to the USB device.\n"); 00135 } 00136 }
API
Import library
Public Member Functions |
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R_BSP_Scux ( scux_ch_num_t channel, uint8_t int_level=0x80, int32_t max_write_num=16, int32_t max_read_num=16) | |
Constructor: Initializes and opens the channel designated by the SCUX driver.
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virtual | ~R_BSP_Scux (void) |
Destructor: Closes the channel designated by the SCUX driver and exits.
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bool | TransStart (void) |
Sets up the SCUX HW and starts operation, then starts accepting write/read requests.
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bool | FlushStop (void(*const callback)(int32_t)) |
Stops accepting write/read requests, flushes out all data in the SCUX that is requested for transfer, then stops the HW operation.
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bool | ClearStop (void) |
Discards all data in the SCUX that is requested for transfer before stopping the hardware operation and stops accepting write/read requests.
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bool | SetSrcCfg (const scux_src_usr_cfg_t *const p_src_param) |
Sets up SRC parameters.
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bool | GetWriteStat (uint32_t *const p_write_stat) |
Obtains the state information of the write request.
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bool | GetReadStat (uint32_t *const p_read_stat) |
Obtains the state information of the read request.
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int32_t | write (void *const p_data, uint32_t data_size, const rbsp_data_conf_t *const p_data_conf=NULL) |
Write count bytes to the file associated.
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int32_t | read (void *const p_data, uint32_t data_size, const rbsp_data_conf_t *const p_data_conf=NULL) |
Read count bytes to the file associated.
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Protected Member Functions |
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void | write_init (void *handle, void *p_func_a, int32_t max_buff_num=16) |
Write init.
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void | read_init (void *handle, void *p_func_a, int32_t max_buff_num=16) |
Read init.
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Write request state transition diagram
Read request state transition diagram
common/R_BSP_Scux.cpp
- Committer:
- dkato
- Date:
- 2015-12-16
- Revision:
- 7:30ebba78fff0
- Parent:
- 6:aa1fc6a5cc2a
File content as of revision 7:30ebba78fff0:
/******************************************************************************* * DISCLAIMER * This software is supplied by Renesas Electronics Corporation and is only * intended for use with Renesas products. No other uses are authorized. This * software is owned by Renesas Electronics Corporation and is protected under * all applicable laws, including copyright laws. * THIS SOFTWARE IS PROVIDED "AS IS" AND RENESAS MAKES NO WARRANTIES REGARDING * THIS SOFTWARE, WHETHER EXPRESS, IMPLIED OR STATUTORY, INCLUDING BUT NOT * LIMITED TO WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE * AND NON-INFRINGEMENT. ALL SUCH WARRANTIES ARE EXPRESSLY DISCLAIMED. * TO THE MAXIMUM EXTENT PERMITTED NOT PROHIBITED BY LAW, NEITHER RENESAS * ELECTRONICS CORPORATION NOR ANY OF ITS AFFILIATED COMPANIES SHALL BE LIABLE * FOR ANY DIRECT, INDIRECT, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES FOR * ANY REASON RELATED TO THIS SOFTWARE, EVEN IF RENESAS OR ITS AFFILIATES HAVE * BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. * Renesas reserves the right, without notice, to make changes to this software * and to discontinue the availability of this software. By using this software, * you agree to the additional terms and conditions found by accessing the * following link: * http://www.renesas.com/disclaimer* * Copyright (C) 2015 Renesas Electronics Corporation. All rights reserved. *******************************************************************************/ #include "r_bsp_cmn.h" #include "R_BSP_Scux.h" #include "scux_if.h" #define CH_ERR_NUM (-1) /* Channel error number */ #define INT_LEVEL_MAX (0xF7) /* The maximum value of the interrupt level */ #define REQ_BUFF_NUM_MIN (1) /* The minimum value of the request buffer */ #define REQ_BUFF_NUM_MAX (128) /* The maximum value of the request buffer */ #define INPUT_DIV_INIT_VALUE (1000U) /* The initial value of input divide ratio */ #define OUTPUT_DIV_INIT_VALUE (0U) /* The initial value of output divide ratio */ #define INPUT_WS_INIT_VALUE (1U) /* The initial value of input WS frequency */ #define OUTPUT_WS_INIT_VALUE (96000U) /* The initial value of output WS frequency */ #define FREQ_TIOC3A_INIT_VALUE (1U) /* The initial value of frequency of TIOC3 */ #define FREQ_TIOC4A_INIT_VALUE (1U) /* The initial value of frequency of TIOC4 */ #define WAIT_SAMPLE_INIT_VALUE (0U) /* The initial value of wait time */ #define MIN_RATE_PER_INIT_VALUE (98U) /* The initial value of minimum rate */ #define DIV_RATIO_CLK_AUDIO_22050HZ (1024U) /* Divide ratio when the frequency is 22050Hz */ #define DIV_RATIO_CLK_AUDIO_44100HZ (512U) /* Divide ratio when the frequency is 44100Hz */ #define DIV_RATIO_CLK_AUDIO_88200HZ (256U) /* Divide ratio when the frequency is 88200Hz */ #define DIV_RATIO_CLK_USB_24000HZ (2000U) /* Divide ratio when the frequency is 24000Hz */ #define DIV_RATIO_CLK_USB_32000HZ (1500U) /* Divide ratio when the frequency is 36000Hz */ #define DIV_RATIO_CLK_USB_48000HZ (1000U) /* Divide ratio when the frequency is 48000Hz */ #define DIV_RATIO_CLK_USB_64000HZ (750U) /* Divide ratio when the frequency is 64000Hz */ #define DIV_RATIO_CLK_USB_96000HZ (500U) /* Divide ratio when the frequency is 96000Hz */ static bool set_src_init_cfg(scux_src_cfg_t * const src_cfg); R_BSP_Scux::R_BSP_Scux(scux_ch_num_t channel, uint8_t int_level, int32_t max_write_num, int32_t max_read_num) { scux_channel_cfg_t scux_cfg; int32_t result; bool init_result; if (channel >= SCUX_CH_NUM) { result = EERROR; } else if (int_level > INT_LEVEL_MAX) { result = EERROR; } else if ((max_write_num < REQ_BUFF_NUM_MIN) || (max_write_num > REQ_BUFF_NUM_MAX)) { result = EERROR; } else if ((max_read_num < REQ_BUFF_NUM_MIN) || (max_read_num > REQ_BUFF_NUM_MAX)) { result = EERROR; } else { result = R_BSP_CMN_Init(); if (result == ESUCCESS) { scux_ch = (int32_t)channel; scux_cfg.enabled = true; scux_cfg.int_level = int_level; switch (channel) { case SCUX_CH_0: scux_cfg.route = SCUX_ROUTE_SRC0_MEM; break; case SCUX_CH_1: scux_cfg.route = SCUX_ROUTE_SRC1_MEM; break; case SCUX_CH_2: scux_cfg.route = SCUX_ROUTE_SRC2_MEM; break; case SCUX_CH_3: scux_cfg.route = SCUX_ROUTE_SRC3_MEM; break; default: /* NOTREACHED on At the time of a normal performance */ scux_cfg.route = SCUX_ROUTE_SRC0_MEM; break; } init_result = set_src_init_cfg(&scux_cfg.src_cfg); if (init_result != false) { init_result = init_channel(R_SCUX_MakeCbTbl_mbed(), (int32_t)channel, &scux_cfg, max_write_num, max_read_num); if (init_result == false) { result = EERROR; } } else { result = EERROR; } } } if (result != ESUCCESS) { scux_ch = CH_ERR_NUM; } } R_BSP_Scux::~R_BSP_Scux(void) { } bool R_BSP_Scux::TransStart(void) { return ioctl(SCUX_IOCTL_SET_START, NULL); } bool R_BSP_Scux::FlushStop(void (* const callback)(int32_t)) { return ioctl(SCUX_IOCTL_SET_FLUSH_STOP, (void *)callback); } bool R_BSP_Scux::ClearStop(void) { return ioctl(SCUX_IOCTL_SET_CLEAR_STOP, NULL); } bool R_BSP_Scux::SetSrcCfg(const scux_src_usr_cfg_t * const p_src_param) { scux_src_cfg_t src_cfg; bool init_result; bool ret = true; int32_t i; if (scux_ch == CH_ERR_NUM) { ret = false; } else if (p_src_param == NULL) { ret = false; } else if ((p_src_param->mode_sync != false) && (p_src_param->src_enable == false)) { ret = false; } else { init_result = set_src_init_cfg(&src_cfg); if (init_result != true) { ret = false; } else { src_cfg.src_enable = p_src_param->src_enable; src_cfg.mode_sync = p_src_param->mode_sync; switch (p_src_param->word_len) { case SCUX_DATA_LEN_24: /* fall through */ case SCUX_DATA_LEN_16: /* fall through */ case SCUX_DATA_LEN_16_TO_24: src_cfg.word_len = p_src_param->word_len; break; default: ret = false; break; } if (ret == true) { if (p_src_param->mode_sync != false) { switch (p_src_param->input_rate) { case SAMPLING_RATE_8000HZ: src_cfg.input_rate_sync = SCUX_SYNC_RATE_8; break; case SAMPLING_RATE_11025HZ: src_cfg.input_rate_sync = SCUX_SYNC_RATE_11_025; break; case SAMPLING_RATE_12000HZ: src_cfg.input_rate_sync = SCUX_SYNC_RATE_12; break; case SAMPLING_RATE_16000HZ: src_cfg.input_rate_sync = SCUX_SYNC_RATE_16; break; case SAMPLING_RATE_22050HZ: src_cfg.input_rate_sync = SCUX_SYNC_RATE_22_05; break; case SAMPLING_RATE_24000HZ: src_cfg.input_rate_sync = SCUX_SYNC_RATE_24; break; case SAMPLING_RATE_32000HZ: src_cfg.input_rate_sync = SCUX_SYNC_RATE_32; break; case SAMPLING_RATE_44100HZ: src_cfg.input_rate_sync = SCUX_SYNC_RATE_44_1; break; case SAMPLING_RATE_48000HZ: src_cfg.input_rate_sync = SCUX_SYNC_RATE_48; break; case SAMPLING_RATE_64000HZ: src_cfg.input_rate_sync = SCUX_SYNC_RATE_64; break; case SAMPLING_RATE_88200HZ: src_cfg.input_rate_sync = SCUX_SYNC_RATE_88_2; break; case SAMPLING_RATE_96000HZ: src_cfg.input_rate_sync = SCUX_SYNC_RATE_96; break; default: ret = false; break; } } else { switch (p_src_param->input_rate) { case SAMPLING_RATE_22050HZ: src_cfg.input_clk_async = SCUX_CLK_AUDIO_X1; src_cfg.input_div_async = DIV_RATIO_CLK_AUDIO_22050HZ; break; case SAMPLING_RATE_24000HZ: src_cfg.input_clk_async = SCUX_CLK_USB_X1; src_cfg.input_div_async = DIV_RATIO_CLK_USB_24000HZ; break; case SAMPLING_RATE_32000HZ: src_cfg.input_clk_async = SCUX_CLK_USB_X1; src_cfg.input_div_async = DIV_RATIO_CLK_USB_32000HZ; break; case SAMPLING_RATE_44100HZ: src_cfg.input_clk_async = SCUX_CLK_AUDIO_X1; src_cfg.input_div_async = DIV_RATIO_CLK_AUDIO_44100HZ; break; case SAMPLING_RATE_48000HZ: src_cfg.input_clk_async = SCUX_CLK_USB_X1; src_cfg.input_div_async = DIV_RATIO_CLK_USB_48000HZ; break; case SAMPLING_RATE_64000HZ: src_cfg.input_clk_async = SCUX_CLK_USB_X1; src_cfg.input_div_async = DIV_RATIO_CLK_USB_64000HZ; break; case SAMPLING_RATE_88200HZ: src_cfg.input_clk_async = SCUX_CLK_AUDIO_X1; src_cfg.input_div_async = DIV_RATIO_CLK_AUDIO_88200HZ; break; case SAMPLING_RATE_96000HZ: src_cfg.input_clk_async = SCUX_CLK_USB_X1; src_cfg.input_div_async = DIV_RATIO_CLK_USB_96000HZ; break; default: ret = false; break; } } } if (ret == true) { if (p_src_param->mode_sync != false) { switch (p_src_param->output_rate) { case SAMPLING_RATE_44100HZ: src_cfg.output_rate_sync = SCUX_SYNC_RATE_44_1; break; case SAMPLING_RATE_48000HZ: src_cfg.output_rate_sync = SCUX_SYNC_RATE_48; break; case SAMPLING_RATE_96000HZ: src_cfg.output_rate_sync = SCUX_SYNC_RATE_96; break; default: ret = false; break; } } else { switch (p_src_param->output_rate) { case SAMPLING_RATE_44100HZ: src_cfg.output_ws = SAMPLING_RATE_44100HZ; break; case SAMPLING_RATE_48000HZ: src_cfg.output_ws = SAMPLING_RATE_48000HZ; break; case SAMPLING_RATE_88200HZ: src_cfg.output_ws = SAMPLING_RATE_88200HZ; break; case SAMPLING_RATE_96000HZ: src_cfg.output_ws = SAMPLING_RATE_96000HZ; break; default: ret = false; break; } } } if (ret == true) { for (i = 0; i < SCUX_USE_CH_2; i++) { switch (p_src_param->select_in_data_ch[i]) { case SELECT_IN_DATA_CH_0: src_cfg.select_in_data_ch[i] = SCUX_AUDIO_CH_0; break; case SELECT_IN_DATA_CH_1: src_cfg.select_in_data_ch[i] = SCUX_AUDIO_CH_1; break; default: ret = false; break; } } } if (ret == true) { ret = ioctl(SCUX_IOCTL_SET_SRC_CFG, (void *)&src_cfg); } } } return ret; } bool R_BSP_Scux::GetWriteStat(uint32_t * const p_write_stat) { return ioctl(SCUX_IOCTL_GET_WRITE_STAT, (void *)p_write_stat); } bool R_BSP_Scux::GetReadStat(uint32_t * const p_read_stat) { return ioctl(SCUX_IOCTL_GET_READ_STAT, (void *)p_read_stat); } /**************************************************************************//** * Function Name: set_src_init_cfg * @brief SRC configuration initialization. * * Description:<br> * * @param[in] src_cfg SRC configuration. * @retval true Setting success. * false Setting fails. ******************************************************************************/ static bool set_src_init_cfg(scux_src_cfg_t * const src_cfg) { bool ret = true; if (src_cfg == NULL) { ret = false; } else { src_cfg->src_enable = true; src_cfg->use_ch = SCUX_USE_CH_2; src_cfg->word_len = SCUX_DATA_LEN_16; src_cfg->mode_sync = true; src_cfg->input_rate_sync = SCUX_SYNC_RATE_48; src_cfg->input_clk_async = SCUX_CLK_USB_X1; src_cfg->input_div_async = INPUT_DIV_INIT_VALUE; src_cfg->output_rate_sync = SCUX_SYNC_RATE_96; src_cfg->output_clk_async = SCUX_CLK_SSIF0_WS; src_cfg->output_div_async = OUTPUT_DIV_INIT_VALUE; src_cfg->input_ws = INPUT_WS_INIT_VALUE; src_cfg->output_ws = OUTPUT_WS_INIT_VALUE; src_cfg->freq_tioc3a = FREQ_TIOC3A_INIT_VALUE; src_cfg->freq_tioc4a = FREQ_TIOC4A_INIT_VALUE; src_cfg->delay_mode = SCUX_DELAY_NORMAL; src_cfg->wait_sample = WAIT_SAMPLE_INIT_VALUE; src_cfg->min_rate_percentage = MIN_RATE_PER_INIT_VALUE; src_cfg->select_in_data_ch[SCUX_AUDIO_CH_0] = SCUX_AUDIO_CH_0; src_cfg->select_in_data_ch[SCUX_AUDIO_CH_1] = SCUX_AUDIO_CH_1; src_cfg->select_in_data_ch[SCUX_AUDIO_CH_2] = SCUX_AUDIO_CH_2; src_cfg->select_in_data_ch[SCUX_AUDIO_CH_3] = SCUX_AUDIO_CH_3; src_cfg->select_in_data_ch[SCUX_AUDIO_CH_4] = SCUX_AUDIO_CH_4; src_cfg->select_in_data_ch[SCUX_AUDIO_CH_5] = SCUX_AUDIO_CH_5; src_cfg->select_in_data_ch[SCUX_AUDIO_CH_6] = SCUX_AUDIO_CH_6; src_cfg->select_in_data_ch[SCUX_AUDIO_CH_7] = SCUX_AUDIO_CH_7; } return ret; }