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# Picadea control and monitor shell # 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