# 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