diff options
Diffstat (limited to 'libraries/Robot_Control/SquawkSD.cpp')
| -rw-r--r-- | libraries/Robot_Control/SquawkSD.cpp | 182 |
1 files changed, 0 insertions, 182 deletions
diff --git a/libraries/Robot_Control/SquawkSD.cpp b/libraries/Robot_Control/SquawkSD.cpp deleted file mode 100644 index 3c97ef4..0000000 --- a/libraries/Robot_Control/SquawkSD.cpp +++ /dev/null @@ -1,182 +0,0 @@ -#include <SquawkSD.h> - -SquawkSynthSD SquawkSD; - -class StreamFile : public SquawkStream { - private: - Fat16 f; - public: - StreamFile(Fat16 file = Fat16()) { f = file; } - uint8_t read() { return f.read(); } - void seek(size_t offset) { f.seekSet(offset); } -}; - -static StreamFile file; - -extern uint16_t period_tbl[84] PROGMEM; - -void SquawkSynthSD::play(Fat16 melody) { - SquawkSynth::pause(); - file = StreamFile(melody); - SquawkSynth::play(&file); -} - -/* -void SquawkSynthSD::convert(Fat16 in, Fat16 out) { - unsigned int n; - uint8_t patterns = 0, order_count; - unsigned int ptn, row, chn; - uint8_t temp; - - uint8_t fxc[4], fxp[4], note[4], sample[4]; - uint16_t period; - - out.write('S'); // ID - out.write('Q'); - out.write('M'); - out.write('1'); - out.write((uint8_t)0); // No meta data - out.write((uint8_t)0); - - // Write order list, count patterns - in.seek(0x3B6); - order_count = in.read(); - out.write(order_count); - in.seek(0x3B8); - for(n = 0; n < order_count; n++) { - temp = in.read(); - if(temp >= patterns) patterns = temp + 1; - out.write(temp); - } - - // Write patterns - in.seek(0x43C); - for(ptn = 0; ptn < patterns; ptn++) { - for(row = 0; row < 64; row++) { - for(chn = 0; chn < 4; chn++) { - - // Basic extraction - temp = in.read(); // sample.msb and period.msb - period = (temp & 0x0F) << 8; - sample[chn] = temp & 0xF0; - period |= in.read(); // period.lsb - temp = in.read(); // sample.lsb and effect - sample[chn] |= temp >> 4; - fxc[chn] = (temp & 0x0F) << 4; - fxp[chn] = in.read(); // parameters - if(fxc[chn] == 0xE0) { - fxc[chn] |= fxp[chn] >> 4; // extended parameters - fxp[chn] &= 0x0F; - } - - #define DIF(A, B) ((A) > (B) ? ((int32_t)(A) - (int32_t)(B)) : ((int32_t)(B) - (int32_t)(A))) - // Find closest matching period - if(period == 0) { - note[chn] = 0x7F; - } else { - int16_t best = DIF(period, pgm_read_word(&period_tbl[0])); - note[chn] = 0; - for(n = 0; n < sizeof(period_tbl) / sizeof(uint16_t); n++) { - if(DIF(period, pgm_read_word(&period_tbl[n])) < best) { - note[chn] = n; - best = DIF(period, pgm_read_word(&period_tbl[n])); - } - } - } - - // Crunch volume/decimal commands - if(fxc[chn] == 0x50 || fxc[chn] == 0x60 || fxc[chn] == 0xA0) { - fxp[chn] = (fxp[chn] >> 1) & 0x77; - } else if(fxc[chn] == 0x70) { - fxp[chn] = (fxp[chn] & 0xF0) | ((fxp[chn] & 0x0F) >> 1); - } else if(fxc[chn] == 0xC0 || fxc[chn] == 0xEA || fxc[chn] == 0xEB) { - fxp[chn] >>= 1; - } else if(fxc[chn] == 0xD0) { - fxp[chn] = ((fxp[chn] >> 4) * 10) | (fxp[chn] & 0x0F); - } - - // Re-nibblify - it's a word! - if(chn != 3) { - if((fxc[chn] & 0xF0) == 0xE0) fxp[chn] |= fxc[chn] << 4; - fxc[chn] >>= 4; - } - - } - - // Ghetto crunch the last channel to save a byte - switch(fxc[3]) { - case 0x50: case 0x60: case 0xA0: - fxc[3] = 0x1; - if((fxp[3] >> 4) >= (fxp[3] & 0x0F)) { - fxp[3] = 0x80 + ((fxp[3] >> 4) - (fxp[3] & 0x0F)); - } else { - fxp[3] = ((fxp[3] & 0x0F) - (fxp[3] >> 4)); - } - break; - case 0x70: - fxc[3] = (fxp[3] & 0x4) ? 0x3 : 0x2; - fxp[3] = (fxp[3] >> 4) | ((fxp[3] & 0x03) << 4); - break; - case 0xC0: - fxc[3] = 0x4; - fxp[3] &= 0x1F; - break; - case 0xB0: - fxc[3] = 0x5; - fxp[3] &= 0x1F; - break; - case 0xD0: - fxc[3] = 0x6; - if(fxp[3] > 63) fxp[3] = 0; - break; - case 0xF0: - if(fxp[3] > 0x20) { - fxc[3] = 0x0; - fxp[3] = 0x00; - } else { - fxc[3] = 0x7; - } - break; - case 0xE7: - fxc[3] = 0x8; - break; - case 0xE9: - fxc[3] = 0x9; - break; - case 0xEA: - fxc[3] = 0xA; - fxp[3] |= 0x08; - break; - case 0xEB: - fxc[3] = 0xA; - break; - case 0xEC: - fxc[3] = 0xB; - break; - case 0xED: - fxc[3] = 0xB; - fxp[3] |= 0x10; - break; - case 0xEE: - fxc[3] = 0xC; - break; - default: - fxc[3] = 0; - fxp[3] = 0; - } - if(note[3] != 0x7F) fxp[3] |= 0x80; - if(sample[3]) fxp[3] |= 0x40; - - // Write out - out.write((fxc[0]) | fxc[1] << 4); - out.write(fxp[0]); - out.write(fxp[1]); - out.write((fxc[2]) | fxc[3] << 4); - out.write(fxp[2]); - out.write(fxp[3]); - out.write(note[0] | (sample[0] == 0 ? 0x00 : 0x80)); - out.write(note[1] | (sample[1] == 0 ? 0x00 : 0x80)); - out.write(note[2] | (sample[2] == 0 ? 0x00 : 0x80)); - } - } -}*/
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