dengweijie/lib_xua
1
0
Fork 0
forked from PAWPAW-Mirror/lib_xua
Code Pull Requests Activity

Merge branch 'master' of github.com:xmos/lib_xua

Browse Source
This commit is contained in:
xross
2018-01-08 11:41:01 +00:00
parent 378ad353b1 b8affc134a
commit 9a55664082
2 changed files with 34 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

16
lib_xua/api/xua_conf_default.h
View File

@@ -1188,7 +1188,7 @@ enum USBEndpointNumber_In
ENDPOINT_NUMBER_IN_IAP_EA_NATIVE_TRANS,
#endif
#endif
ENDPOINT_COUNT_IN /* End marker */
XUA_ENDPOINT_COUNT_IN /* End marker */
};
enum USBEndpointNumber_Out
@@ -1204,9 +1204,21 @@ enum USBEndpointNumber_Out
ENDPOINT_NUMBER_OUT_IAP_EA_NATIVE_TRANS,
#endif
#endif
ENDPOINT_COUNT_OUT /* End marker */
XUA_ENDPOINT_COUNT_OUT /* End marker */
};
#ifndef XUA_ENDPOINT_COUNT_CUSTOM_OUT
#define XUA_ENDPOINT_COUNT_CUSTOM_OUT 0
#endif
#ifndef XUA_ENDPOINT_COUNT_CUSTOM_IN
#define XUA_ENDPOINT_COUNT_CUSTOM_IN 0
#endif
#define ENDPOINT_COUNT_IN (XUA_ENDPOINT_COUNT_IN + XUA_ENDPOINT_COUNT_CUSTOM_IN)
#define ENDPOINT_COUNT_OUT (XUA_ENDPOINT_COUNT_OUT + XUA_ENDPOINT_COUNT_CUSTOM_OUT)
#endif
/*** Internal defines below here. NOT FOR MODIFICATION ***/

24
lib_xua/src/core/pdm_mics/pdm_mic.xc
View File

@@ -34,6 +34,10 @@ extern unsafe port p_mclk_in;
/* Delcared in main.xc */
extern clock clk_pdm;
#ifndef MIC_BUFFER_DEPTH
#define MIC_BUFFER_DEPTH 1
#endif
int mic_decimator_fir_data[8][THIRD_STAGE_COEFS_PER_STAGE * MAX_DECIMATION_FACTOR] = {{0}};
mic_array_frame_time_domain mic_audio[2];
@@ -50,7 +54,7 @@ void pdm_buffer(streaming chanend c_ds_output[2], chanend c_audio)
{
unsigned buffer;
unsigned samplerate;
int output[NUM_PDM_MICS];
int output[MIC_BUFFER_DEPTH][NUM_PDM_MICS];
#ifdef MIC_PROCESSING_USE_INTERFACE
i_mic_process.init();
@@ -64,6 +68,9 @@ void pdm_buffer(streaming chanend c_ds_output[2], chanend c_audio)
unsigned decimatorCount = 1;
#endif
unsigned micBufferWrite = (MIC_BUFFER_DEPTH -1);
unsigned micBufferRead = 0;
mic_array_decimator_conf_common_t dcc;
const int * unsafe fir_coefs[7];
mic_array_frame_time_domain * unsafe current;
@@ -154,8 +161,11 @@ void pdm_buffer(streaming chanend c_ds_output[2], chanend c_audio)
#pragma loop unroll
for(int i = 0; i < NUM_PDM_MICS; i++)
{
c_audio <: output[i];
c_audio <: output[micBufferRead][i];
}
micBufferRead++;
if(micBufferRead == MIC_BUFFER_DEPTH)
micBufferRead = 0;
}
/* Get a new frame of mic data */
@@ -171,8 +181,11 @@ void pdm_buffer(streaming chanend c_ds_output[2], chanend c_audio)
#pragma loop unroll
for(int i = 0; i < NUM_PDM_MICS; i++)
{
output[i] = current->data[i][0];
output[micBufferWrite][i] = current->data[i][0];
}
micBufferWrite++;
if(micBufferWrite == MIC_BUFFER_DEPTH)
micBufferWrite = 0;
}
else
unsafe{
@@ -199,8 +212,11 @@ void pdm_buffer(streaming chanend c_ds_output[2], chanend c_audio)
#pragma loop unroll
for(int i = 0; i < NUM_PDM_MICS; i++)
{
output[i] = current->data[i][0];
output[micBufferWrite][i] = current->data[i][0];
}
micBufferWrite++;
if(micBufferWrite == MIC_BUFFER_DEPTH)
micBufferWrite = 0;
}
break;
} /* select */