control/app/README.md

 # Picadea control and monitor shell
+
+
+Shell commands:
+
+
+
+key | Function         | Arguments                                  | Notes
+----|------------------|--------------------------------------------|----------------------------------------------------------
+q   | quit             |                                            |
+?   | print usage      |                                            |
+w   | write            | (i2c_addr) (reg_addr) (data0) ... (dataN)  |
+r   | read             | (i2c_addr) (src) (reg_addr) (byteN)        | See [Memory Source Id Table](#memory-source-id-table).
+v   | note-on          | (pitch) (vel)                              |
+u   | note-on          | (pitch) (usec) (div)                       | See [Pulse Timer Divisor Table](#pulse-timer-divisor).
+o   | note-off         | (pitch)                                    |
+T   | set table        | (pitch) (vel) (usec)                       |
+t   | get table        | (pitch) (vel)                              |
+D   | set duty         | (pitch) (percent) {(hz) {(div)}}           |
+d   | get duty         | (pitch)                                    |
+H   | set hold delay   | (pitch) (usec)                             |
+h   | get hold delay   | (pitch)                                    |
+F   | set pwm freq     | (pitch) (hz)                               | 254=~123Hz
+f   | get pwm freq     | (pitch)                                    |
+I   | set pwm div      | (pitch) (div)                              | See [PWM Divisor Table](#pwm-divisor).
+i   | get pwm div      | (pitch)                                    |
+A   | set flags        | (pitch) (flags)                            |
+a   | get flags        | (pitch)                                    |
+W   | write table      | (pitch)                                    |
+N   | note w/ duration | (pitch) (atkUs) (durMs)                    |
+S   | seq              | (pitch) (atkUs) (durMs) (deltaUs) (noteN)  |
+L   | log              | (level) (0-1)                              |
+
+
+
+## PWM Divisor
+
+Value | Div  | Frequency   | Period
+------|------|-------------|-------
+ 1    |    1 |    16    M  | 62.5 n 
+ 2    |    2 |     8    M  |  125 n
+ 3    |    4 |     4    M  |  250 n
+ 4    |    8 |     2    M  |  500 n
+ 5    |   16 |     1    M  |    1 u
+ 6    |   32 |   500    K  |    2 u
+ 7    |   64 |   250    K  |    4 u
+ 8    |  128 |   125    K  |    8 u
+ 9    |  256 | 62500    Hz |   16 u
+10    |  512 | 31250    Hz |   32 u
+11    | 1024 | 15625    Hz |   64 u
+12    | 2048 | 7812.5   Hz |  128 u
+13    | 4096 | 3906.25  Hz |  256 u
+14    | 8192 | 1953.125 Hz |  512 u
+15    |16384 | 976.6625 Hz | 1024 u 
+
+
+## Pulse Timer Divisor
+
+Value | Divisor | Frequency  | Period
+------|---------|------------|--------------
+  1   |      1  | 16000000   |     62.5n
+  2   |      8  |  2000000   |    500.0n
+  3   |     64  |   250000   |      4.0u
+  4   |    256  |    62500   |     16.0u
+  5   |   1024  |    15625   |     64.0u
+  
+
+## Memory Source Id Table
+
+Id | Memory         | Note
+---|----------------|-------------------------------
+ 0 | Register file  | See register table file
+ 1 | Velocity table | MIDI velocity to pulse ticks lookup table
+ 2 | EEPROM         | EEPROM data memory
+
+
+## Memory Destination Id Table
+
+Id | Memory         | Note
+---|----------------|-------------------------------
+ 4 | Register file  | See register table file
+ 5 | Velocity table | MIDI velocity to pulse ticks lookup table
+ 6 | EEPROM         | EEPROM data memory

control/tiny/README.md

 
 Arguments in curly braces are optional.
 
+------------------------------------------------------------------------------------------
+
+__Hold PWM Duty Cycle__
 
 Function                 | Opcode | Arguments
 -------------------------|--------|---------------------------
 
 PWM frequency and period for each possible (div) setting.
 
-Reg.  |      | Base        | 
 Value | Div  | Frequency   | Period
 ------|------|-------------|-------
  1    |    1 |    16    M  | 62.5 n 
 14    | 8192 | 1953.125 Hz |  512 u
 15    |16384 | 976.6625 Hz | 1024 u 
 
+------------------------------------------------------------------------------------------
+
+__Note-on Velocity__
 
 Function                 | Opcode | Arguments
 -------------------------|--------|---------------------------
 The (vel) value is translated to an attack pulse duration
 by looking up the pulse tick count in the velocity table.
 
+------------------------------------------------------------------------------------------
+
+__Note-on Microseconds__
 
 Function                 | Opcode | Arguments
 -------------------------|--------|-------------------------------------------------
     usecs = (pulse-ticks * 1e6)*(256/16e6)
 
 
+------------------------------------------------------------------------------------------
+
+__Note-off__
+
 Function                 | Opcode | Arguments
 -------------------------|--------|---------------------------
 Note off                 |   3    | None
 Turn off a sounding note by settting the hold-voltage to 0.
 
 
+------------------------------------------------------------------------------------------
+
+__Set Read Address__
+
 Function                 | Opcode | Arguments
 -------------------------|--------|---------------------------
 Set read address         |    4   | (src) {(addr)}
 
 The read can come from one of three memory banks:
 Register File, MIDI velocity table or EEPROM.
-See the _Memory Location Id_ table below for the (src) id values.
-
+See the _Memory Source Id Table_ below for the (src) id values.
 
 Arguments   | Range | Default | Note
 ------------|-------|---------|-------------------------------------------------------
-(src)       | 0-2   |  n/a    | Memory location id. See _Memory Location Id_ table.
+(src)       | 0-2   |  n/a    | Memory location id. See _Memory Source Id Table_.
 (addr)      | 0-255 |  n/a    | Offset from base address set by (src)
 
+Memory Source Id Table
+
+Id | Memory         | Note
+---|----------------|-------------------------------
+ 0 | Register file  | See register table file
+ 1 | Velocity table | MIDI velocity to pulse ticks lookup table
+ 2 | EEPROM         | EEPROM data memory
+
+
+------------------------------------------------------------------------------------------
+
+__Write Memory__
+
+Function                 | Opcode | Arguments
+-------------------------|--------|--------------------------------------------
+Write memory             |    5   | (addrFl + dest) {(addr)} (value0) ... (valueN)
+
+
+Arguments   | Range | Default | Note
+------------|-------|---------|----------------------------------------------------------------
+(addrFl)    | 0,127 |    0    | Address flag. Set if second byte is an (addr) and not (value0)
+(dest)      | 0-2   |  n/a    | Memory destination location. See _Memory Destination Id Table_.
+(addr)      | 0-255 |  n/a    | Optional offset from base address set by (dest)
+
+Memory Destination Id Table
+
+Id | Memory         | Note
+---|----------------|-------------------------------
+ 4 | Register file  | See register table file
+ 5 | Velocity table | MIDI velocity to pulse ticks lookup table
+ 6 | EEPROM         | EEPROM data memory
+
+------------------------------------------------------------------------------------------
+
+__Write Velocity Table to EEPROM__
 
 Function                 | Opcode | Arguments
 -------------------------|--------|---------------------------
-Write memory             |    5   |
+Write velocity table     |    6   | 
 
+Writes the MIDI velocity table from memory to EEPROM.
 
 
+------------------------------------------------------------------------------------------
+
+__Set Hold Delay__
+
 Function                 | Opcode | Arguments
 -------------------------|--------|---------------------------
-Set hold delay           |    6   | { high {low}}
+Set hold delay           |    7   | { high {low}}
 
 Set the length of the delay, in ticks, between when the attack pulse ends and when the
 hold voltage is applied.
 The high and low byte values are calculated identically to the
 attack pulse duration values.
 
+------------------------------------------------------------------------------------------
+
+__Set *flags* variable__
 
 Function                 | Opcode | Arguments
 -------------------------|--------|---------------------------
-Set flags variable       |    7   | (flags)
+Set flags variable       |    8   | (flags)
 
   7  |  6  |  5  |  4  |  3  |  2  |  1  |  0  
 -----|-----|-----|-----|-----|-----|-----|-----
 
 _HOA_ : Set to apply the hold voltage at the beginning of the attack.
 
+------------------------------------------------------------------------------------------
+
+## Register File Address
 
-Register file
 
 Address | Label           | Note
 --------|-----------------|------------------------------------------------------------------------------------------------
 19      | Flags_Addr      | Binary variable field.
 
 
-Memory Location Id table.
+------------------------------------------------------------------------------------------
+
+
+## Memory Destination Id table
 
 Id | Memory         | Note
 ---|----------------|-------------------------------
- 0 | Register file  | See register table file
- 1 | Velocity table | MIDI velocity to pulse ticks lookup table
- 2 | EEPROM         | EEPROM data memory
+ 4 | Register file  | See register table file
+ 5 | Velocity table | MIDI velocity to pulse ticks lookup table
+ 6 | EEPROM         | EEPROM data memory