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Level meter LED code fixed up

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Ross Owen
2014-08-29 12:44:56 +01:00
parent a5492e5f8a
commit 6eed7dfe6d
2 changed files with 18 additions and 7 deletions
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17
module_usb_audio/clocking/clockgen.xc
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@@ -194,7 +194,7 @@ static inline int badParity(unsigned x)
void VendorLedRefresh(unsigned levelData[]);
unsigned g_inputLevelData[NUM_USB_CHAN_IN];
extern int samples_to_host_inputs[NUM_USB_CHAN_IN];
extern int samples_to_host_inputs_buff[NUM_USB_CHAN_IN]; /* Audio transmitted to host i.e. dev inputs */
extern int samples_to_host_inputs_buff[NUM_USB_CHAN_IN];
#endif
int VendorAudCoreReqs(unsigned cmd, chanend c);
@@ -326,17 +326,24 @@ void clockGen (streaming chanend c_spdif_rx, chanend ?c_adat_rx, out port p, cha
for(int i = 0; i< NUM_USB_CHAN_IN; i++)
{
int tmp;
/* Read level data */
//g_inputLevelData[i] = samples_to_host_inputs[i];
asm("ldw %0, %1[%2]":"=r"(tmp):"r"(samples_to_host_inputs),"r"(i));
asm volatile("ldw %0, %1[%2]":"=r"(tmp):"r"((const int *)samples_to_host_inputs),"r"(i));
g_inputLevelData[i] = tmp;
/* Reset level data */
//samples_to_host_inputs[i] = 0;
asm("stw %0, %1[%2]"::"r"(0),"r"(samples_to_host_inputs),"r"(i));
asm volatile("stw %0, %1[%2]"::"r"(0),"r"((const int *)samples_to_host_inputs),"r"(i));
/* Guard against host polling slower than timer and missing peaks */
if(g_inputLevelData[i] > samples_to_host_inputs_buff[i])
asm volatile("ldw %0, %1[%2]":"=r"(tmp):"r"((const int *)samples_to_host_inputs_buff),"r"(i));
if (g_inputLevelData[i] > tmp)
//if(g_inputLevelData[i] > samples_to_host_inputs_buff[i])
{
samples_to_host_inputs_buff[i] = g_inputLevelData[i];
//samples_to_host_inputs_buff[i] = g_inputLevelData[i];
asm volatile("stw %0, %1[%2]"::"r"(tmp),"r"((const int *)samples_to_host_inputs),"r"(i));
}
}

8
module_usb_audio/mixer/mixer.xc
View File

@@ -66,6 +66,7 @@ xc_ptr samples_to_host_inputs_ptr;
#ifdef LEVEL_METER_LEDS
int samples_to_host_inputs_buff[NUM_USB_CHAN_IN]; /* Audio transmitted to host i.e. dev inputs */
xc_ptr samples_to_host_inputs_buff_ptr;
#endif
static int samples_from_host_streams[NUM_USB_CHAN_OUT]; /* Peak samples for audio stream from host */
@@ -414,8 +415,8 @@ static void mixer1(chanend c_host, chanend c_mix_ctl, chanend c_mixer2)
//val = samples_to_host_inputs_buff[index];
//samples_to_host_inputs_buff[index] = 0;
/* Access funcs used to avoid disjointness check */
read_via_xc_ptr_indexed(val, samples_to_host_inputs_buff, index);
write_via_xc_ptr_indexed(samples_to_host_inputs_buff, index, 0);
read_via_xc_ptr_indexed(val, samples_to_host_inputs_buff_ptr, index);
write_via_xc_ptr_indexed(samples_to_host_inputs_buff_ptr, index, 0);
#else
/* We dont have a level LEDs process, so reset ourselves */
//val = samples_to_host_inputs[index];
@@ -711,6 +712,9 @@ void mixer(chanend c_mix_in, chanend c_mix_out, chanend c_mix_ctl)
samples_to_device_map = array_to_xc_ptr((samples_to_device_map_array,unsigned[]));
samples_to_host_inputs_ptr = array_to_xc_ptr((samples_to_host_inputs, unsigned[]));
#ifdef LEVEL_METER_LEDS
samples_to_host_inputs_buff_ptr = array_to_xc_ptr((samples_to_host_inputs, unsigned[]));
#endif
samples_mixer_outputs_ptr = array_to_xc_ptr((samples_mixer_outputs, unsigned[]));
#if MAX_MIX_COUNT >0