brickworks/examples/common/daisy-seed/fx.cpp
2023-02-03 17:29:08 +01:00

97 lines
2.3 KiB
C++

#include "daisy_seed.h"
#include "config.h"
#include "config_daisy_seed.h"
#define BLOCK_SIZE 32
using namespace daisy;
DaisySeed hardware;
CpuLoadMeter loadMeter;
P_TYPE instance;
float buf[2][BLOCK_SIZE];
float *bufs[2] = { buf[0], buf[1] };
static void setParams() {
for (int i = 0; i < NUM_PINS; i++)
P_SET_PARAMETER(&instance, config_pins[i].param_index, hardware.adc.GetFloat(i));
}
static void AudioCallback(
AudioHandle::InterleavingInputBuffer in,
AudioHandle::InterleavingOutputBuffer out,
size_t size) {
loadMeter.OnBlockStart();
setParams();
const size_t n = size >> 1;
#if NUM_CHANNELS_IN != 0
for (size_t i = 0; i < n; i++) {
const size_t j = i << 1;
buf[0][i] = in[j];
# if NUM_CHANNELS_IN > 1
buf[1][i] = in[j + 1];
# endif
}
#endif
P_PROCESS(&instance, (const float **)bufs, bufs, n);
for (size_t i = 0; i < n; i++) {
const size_t j = i << 1;
#if NUM_CHANNELS_OUT > 0
out[j] = buf[0][i];
#else
out[j] = 0.f;
#endif
#if NUM_CHANNELS_OUT > 1
out[j + 1] = buf[1][i];
#else
out[j + 1] = 0.f;
#endif
}
loadMeter.OnBlockEnd();
}
int main() {
hardware.Configure();
hardware.Init();
AdcChannelConfig adcConfig[NUM_PINS];
for (int i = 0; i < NUM_PINS; i++)
adcConfig[i].InitSingle(hardware.GetPin(config_pins[i].pin));
hardware.adc.Init(adcConfig, NUM_PINS);
hardware.adc.Start();
hardware.SetAudioBlockSize(BLOCK_SIZE);
float sample_rate = hardware.AudioSampleRate();
P_INIT(&instance);
P_SET_SAMPLE_RATE(&instance, sample_rate);
hardware.StartLog();
loadMeter.Init(sample_rate, BLOCK_SIZE);
setParams();
P_RESET(&instance);
hardware.StartAudio(AudioCallback);
while (1) {
const float avgLoad = loadMeter.GetAvgCpuLoad();
const float maxLoad = loadMeter.GetMaxCpuLoad();
const float minLoad = loadMeter.GetMinCpuLoad();
hardware.PrintLine("---");
for (int i = 0; i < NUM_PARAMETERS; i++)
if (config_parameters[i].out)
hardware.PrintLine("%s: %f", config_parameters[i].name, P_GET_PARAMETER(&instance, i));
hardware.PrintLine("---");
hardware.PrintLine("Processing Load %:");
hardware.PrintLine("Max: " FLT_FMT3, FLT_VAR3(maxLoad * 100.0f));
hardware.PrintLine("Avg: " FLT_FMT3, FLT_VAR3(avgLoad * 100.0f));
hardware.PrintLine("Min: " FLT_FMT3, FLT_VAR3(minLoad * 100.0f));
System::Delay(500);
}
}