/*

Scales for use with DDS synthesis.

Aimed roughly at having A2 be at 440Hz,
when the chip is clocked at 8MHz and
using 8-bit resolution on the PWM.

Tune it if you'd like.

*/

#define  C0      130
#define  Cx0     138
#define  D0      146
#define  Dx0     155
#define  E0      164
#define  F0      174
#define  Fx0     184
#define  G0      195
#define  Gx0     206
#define  A0      219
#define  Ax0     232
#define  B0      245
#define  C1      260
#define  Cx1     275
#define  D1      292
#define  Dx1     309
#define  E1      328
#define  F1      347
#define  Fx1     368
#define  G1      390
#define  Gx1     413
#define  A1      437
#define  Ax1     463
#define  B1      491
#define  C2      520
#define  Cx2     551
#define  D2      584
#define  Dx2     618
#define  E2      655
#define  F2      694
#define  Fx2     735
#define  G2      779
#define  Gx2     825
#define  A2      875
#define  Ax2     927
#define  B2      982
#define  C3     1040
#define  Cx3    1102
#define  D3     1167
#define  Dx3    1237
#define  E3     1310
#define  F3     1388
#define  Fx3    1471
#define  G3     1558
#define  Gx3    1651
#define  A3     1749
#define  Ax3    1853
#define  B3     1963
#define  C4     2080
#define  Cx4    2204
#define  D4     2335
#define  Dx4    2474
#define  E4     2621
#define  F4     2776
#define  Fx4    2942
#define  G4     3116
#define  Gx4    3302
#define  A4     3498
#define  Ax4    3706
#define  B4     3927