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Fixed up mixer channel comms scheme

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This commit is contained in:
Ross Owen
2015-09-09 11:15:06 +01:00
parent 7c1c5499f8
commit 9036bac932
1 changed files with 12 additions and 7 deletions
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11
module_usb_audio/mixer/mixer.xc
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@@ -203,6 +203,9 @@ static inline void GiveSamplesToHost(chanend c, xc_ptr ptr, xc_ptr multIn)
#pragma unsafe arrays #pragma unsafe arrays
static inline void GetSamplesFromHost(chanend c) static inline void GetSamplesFromHost(chanend c)
{ {
#if (NUM_USB_CHAN_OUT == 0)
inuint(c);
#else
{ {
#pragma loop unroll #pragma loop unroll
for (int i=0; i<NUM_USB_CHAN_OUT; i++) for (int i=0; i<NUM_USB_CHAN_OUT; i++)
@@ -238,6 +241,7 @@ static inline void GetSamplesFromHost(chanend c)
write_via_xc_ptr_indexed(samples_array, i, h); write_via_xc_ptr_indexed(samples_array, i, h);
#else #else
ptr_samples[i] = sample; ptr_samples[i] = sample;
#endif
#endif #endif
} }
} }
@@ -358,6 +362,7 @@ static void mixer1(chanend c_host, chanend c_mix_ctl, chanend c_mixer2)
/* Request from audio()/mixer2() */ /* Request from audio()/mixer2() */
request = inuint(c_mixer2); request = inuint(c_mixer2);
/* Forward on Request for data to decouple thread */ /* Forward on Request for data to decouple thread */
outuint(c_host, request); outuint(c_host, request);
@@ -531,7 +536,7 @@ static void mixer1(chanend c_host, chanend c_mix_ctl, chanend c_mixer2)
} }
else else
{ {
inuint(c_host);
#if MAX_MIX_COUNT > 0 #if MAX_MIX_COUNT > 0
outuint(c_mixer2, 0); outuint(c_mixer2, 0);
GiveSamplesToHost(c_host, samples_to_host_map, multIn); GiveSamplesToHost(c_host, samples_to_host_map, multIn);
@@ -543,7 +548,7 @@ static void mixer1(chanend c_host, chanend c_mix_ctl, chanend c_mixer2)
inuint(c_mixer2); inuint(c_mixer2);
#ifdef FAST_MIXER #ifdef FAST_MIXER
mixed = doMix0(samples, mix_mult_slice(0)); mixed = doMix0(samples, mix_mult_slice(0));
#else NN#else
mixed = doMix(samples, mix_map_slice(0),mix_mult_slice(0)); mixed = doMix(samples, mix_map_slice(0),mix_mult_slice(0));
#endif #endif
write_via_xc_ptr_indexed(samples_array, (NUM_USB_CHAN_OUT + NUM_USB_CHAN_IN + 0), mixed); write_via_xc_ptr_indexed(samples_array, (NUM_USB_CHAN_OUT + NUM_USB_CHAN_IN + 0), mixed);
@@ -603,8 +608,8 @@ static void mixer1(chanend c_host, chanend c_mix_ctl, chanend c_mixer2)
#endif #endif
GiveSamplesToDevice(c_mixer2, samples_to_device_map, multOut); GiveSamplesToDevice(c_mixer2, samples_to_device_map, multOut);
GetSamplesFromDevice(c_mixer2); GetSamplesFromDevice(c_mixer2);
GiveSamplesToHost(c_host, samples_to_host_map, multIn);
GetSamplesFromHost(c_host); GetSamplesFromHost(c_host);
GiveSamplesToHost(c_host, samples_to_host_map, multIn);
#endif #endif
} }
} }