OwlProgram/WebSource/web.cpp at develop · ddf/OwlProgram

History

292 lines (261 loc) · 7.29 KB

Raw

100

101

102

103

104

105

106

107

108

109

110

111

112

113

114

115

116

117

118

119

120

121

122

123

124

125

126

127

128

129

130

131

132

133

134

135

136

137

138

139

140

141

142

143

144

145

146

147

148

149

150

151

152

153

154

155

156

157

158

159

160

161

162

163

164

165

166

167

168

169

170

171

172

173

174

175

176

177

178

179

180

181

182

183

184

185

186

187

188

189

190

191

192

193

194

195

196

197

198

199

200

201

202

203

204

205

206

207

208

209

210

211

212

213

214

215

216

217

218

219

220

221

222

223

224

225

226

227

228

229

230

231

232

233

234

235

236

237

238

239

240

241

242

243

244

245

246

247

248

249

250

251

252

253

254

255

256

257

258

259

260

261

262

263

264

265

266

267

268

269

270

271

272

273

274

275

276

277

278

279

280

281

282

283

284

285

286

287

288

289

290

291

292

#include "ProgramVector.h"

#include "Patch.h"

#include "device.h"

#include "main.h"

#include "message.h"

#include "PatchProcessor.h"

#ifdef USE_MIDI_CALLBACK

#include "MidiMessage.h"

#endif

#ifdef malloc

#undef malloc

#endif

#ifdef calloc

#undef calloc

#endif

#ifdef free

#undef free

#endif

#include <string.h>

#include <inttypes.h>

#include <malloc.h>

#include <math.h>

#include <time.h>

#define NO_ERROR 0x00

#define HARDFAULT_ERROR 0x10

#define BUS_ERROR 0x20

#define MEM_ERROR 0x30

#define NMI_ERROR 0x40

#define USAGE_ERROR 0x50

#define PROGRAM_ERROR 0x60

ProgramVector programVector;

extern PatchProcessor* getInitialisingPatchProcessor();

extern "C"{

/* ASM exported functions */

int WEB_setup(long fs, int bs);

void WEB_processBlock(float** inputs, float** outputs);

void WEB_setParameter(int pid, float value);

float WEB_getParameter(int pid);

void WEB_setButton(int key, int value);

void WEB_setButtons(int values);

int WEB_getButtons();

int WEB_processMidi(int port, int status, int d1, int d2);

char* WEB_getMessage();

char* WEB_getStatus();

char* WEB_getPatchName();

char* WEB_getParameterName(int pid);

void *pvPortMalloc( size_t xWantedSize );

void vPortFree( void *pv );

}

extern "C"{

void registerPatch(const char* name, uint8_t inputChannels, uint8_t outputChannels);

void registerPatchParameter(uint8_t id, const char* name);

void programReady();

void programStatus(ProgramVectorAudioStatus status);

int serviceCall(int service, void** params, int len);

}

unsigned long systicks(){

// return clock() / (CLOCKS_PER_SEC / 1000);

return clock();

}

#define NOF_PARAMETERS 40

static int blocksize;

static char* patchName = NULL;

static int16_t parameters[NOF_PARAMETERS];

static char* parameterNames[NOF_PARAMETERS];

static volatile uint16_t buttons = 1<<2; // GREEN

extern "C" {

// callbacks received from running patch (cv/gate output)

void setButtonCallback(uint8_t id, uint16_t state, uint16_t samples){

if(state)

buttons |= (1<<id);

else

buttons &= ~(1<<id);

}

void setPatchParameterCallback(uint8_t id, int16_t value){

if(id < NOF_PARAMETERS)

parameters[id] = value;

}

float WEB_getParameter(int pid){

if(pid < NOF_PARAMETERS)

return parameters[pid]/4096.0f;

return 0.5f;

}

void WEB_setParameter(int pid, float value){

if(pid < NOF_PARAMETERS)

parameters[pid] = value*4096;

}

void WEB_setButton(int key, int value){

getInitialisingPatchProcessor()->patch->buttonChanged((PatchButtonId)key, value, 0);

if(value)

buttons |= (1<<key);

else

buttons &= ~(1<<key);

}

int WEB_getButtons(){

return buttons;

}

int WEB_processMidi(int port, int status, int d1, int d2){

// todo: set PARAMETER_FREQ, PARAMETER_GAIN

#ifdef USE_MIDI_CALLBACK

static MidiMessage msg;

msg.data[0] = port;

msg.data[1] = status;

msg.data[2] = d1;

msg.data[3] = d2;

getInitialisingPatchProcessor()->patch->processMidi(msg);

#endif

return 0;

}

int WEB_setup(long fs, int bs){

for(int i=0; i<NOF_PARAMETERS; ++i){

parameters[i] = 0;

parameterNames[i] = NULL;

}

blocksize = bs;

// set up programvector with sample rate, blocksize, callbacks et c

ProgramVector* pv = getProgramVector();

pv->checksum = PROGRAM_VECTOR_CHECKSUM_V13;

pv->hardware_version = OWL_PEDAL_HARDWARE;

pv->audio_input = NULL;

pv->audio_output = NULL;

pv->audio_format = AUDIO_FORMAT_24B32;

pv->audio_blocksize = bs;

pv->audio_samplingrate = fs;

pv->parameters = parameters;

pv->parameters_size = NOF_PARAMETERS;

pv->buttons = buttons;

pv->registerPatch = registerPatch;

pv->registerPatchParameter = registerPatchParameter;

pv->cycles_per_block = 0;

pv->heap_bytes_used = 0;

pv->programReady = programReady;

pv->programStatus = programStatus;

pv->serviceCall = serviceCall;

pv->message = NULL;

pv->setButton = setButtonCallback;

pv->setPatchParameter = setPatchParameterCallback;

pv->heapLocations = NULL;

setup(pv);

struct mallinfo minfo = mallinfo();

// pv->heap_bytes_used = minfo.uordblks;

pv->heap_bytes_used = minfo.arena;

return 0;

}

class MemBuffer : public AudioBuffer {

protected:

float** buffer;

int channels;

int size;

public:

MemBuffer(float** buf, int ch, int sz): buffer(buf), channels(ch), size(sz) {}

~MemBuffer(){}

FloatArray getSamples(int channel){

return FloatArray(buffer[channel], size);

}

int getChannels(){

return channels;

}

int getSize(){

return size;

}

void clear(){

// memset(buffer, 0, size*channels*sizeof(float));

}

};

void WEB_processBlock(float** inputs, float** outputs){

unsigned long now = systicks();

ProgramVector* pv = getProgramVector();

MemBuffer buffer(inputs, 2, blocksize);

PatchProcessor* processor = getInitialisingPatchProcessor();

pv->buttons = buttons;

processor->setParameterValues(pv->parameters);

processor->patch->processAudio(buffer);

memcpy(outputs[0], inputs[0], blocksize*sizeof(float));

memcpy(outputs[1], inputs[1], blocksize*sizeof(float));

pv->cycles_per_block = systicks()-now;

buttons = pv->buttons;

}

char* WEB_getMessage(){

char* msg = getProgramVector()->message;

// getProgramVector()->message = NULL;

return msg;

}

char* WEB_getStatus(){

static char buffer[64];

char* p = buffer;

ProgramVector* pv = getProgramVector();

if(pv == NULL)

return (char*)"Missing program vector";

uint8_t err = pv->error;

switch(err & 0xf0){

case NO_ERROR: {

// p = stpcpy(p, (const char*)"No error");

p = stpcpy(p, (const char*)"CPU ");

float percent = (pv->cycles_per_block/pv->audio_blocksize) / (float)3500;

p = stpcpy(p, msg_itoa(ceilf(percent*100), 10));

p = stpcpy(p, (const char*)"% Heap ");

int mem = pv->heap_bytes_used;

p = stpcpy(p, msg_itoa(mem, 10));

break;

}

case MEM_ERROR:

p = stpcpy(p, (const char*)"Memory Error 0x");