tsave2

save table to sdcard
Author: Johannes Taelman
License: BSD
Github: rbrt/testing/tsave2.axo

Inlets

int32 start

int32 length

charptr32 file name

bool32.rising trigger

Outlets

int32 test

Attributes

objref wave

Declaration
int ntrig;
WORKING_AREA(waThreadSD, 800);
Init
ntrig = 0;
Control Rate
if ((inlet_trig > 0) && !ntrig) {
  ntrig = 1;
  FIL FileObject;
  FRESULT err;
  UINT bytes_written;
  codec_clearbuffer();
  err = f_open(&FileObject, inlet_filename, FA_WRITE | FA_CREATE_ALWAYS);
  if (err != FR_OK) {
    report_fatfs_error(err, inlet_filename);
    return;
  }
  // int rem_sz = sizeof(*attr_table.array)*attr_table.LENGTH;
  int rem_sz = inlet_length << 1;
  outlet_test = rem_sz;
  int offset = inlet_start << 1;
  while (rem_sz > 0) {
    if (rem_sz > sizeof(fbuff)) {
      memcpy((char *)fbuff, (char *)(&attr_wave.array[0]) + offset,
             sizeof(fbuff));
      err = f_write(&FileObject, fbuff, sizeof(fbuff), &bytes_written);
      rem_sz -= sizeof(fbuff);
      offset += sizeof(fbuff);
    } else {
      memcpy((char *)fbuff, (char *)(&attr_wave.array[0]) + offset, rem_sz);
      err = f_write(&FileObject, fbuff, rem_sz, &bytes_written);
      rem_sz = 0;
    }
  }
  if (err != FR_OK)
    report_fatfs_error(err, inlet_filename);
  err = f_close(&FileObject);
  if (err != FR_OK)
    report_fatfs_error(err, inlet_filename);
} else if (!(inlet_trig > 0))
  ntrig = 0;

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