2020-11-24 13:38:06 +00:00
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# Picadea control and monitor shell
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2020-11-24 16:19:01 +00:00
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Shell commands:
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key | Function | Arguments | Notes
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----|------------------|--------------------------------------------|----------------------------------------------------------
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q | quit | |
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? | print usage | |
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w | write | (i2c_addr) (reg_addr) (data0) ... (dataN) |
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r | read | (i2c_addr) (src) (reg_addr) (byteN) | See [Memory Source Id Table](#memory-source-id-table).
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v | note-on | (pitch) (vel) |
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u | note-on | (pitch) (usec) (div) | See [Pulse Timer Divisor Table](#pulse-timer-divisor).
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o | note-off | (pitch) |
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T | set table | (pitch) (vel) (usec) |
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t | get table | (pitch) (vel) |
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D | set duty | (pitch) (percent) {(hz) {(div)}} |
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d | get duty | (pitch) |
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H | set hold delay | (pitch) (usec) |
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h | get hold delay | (pitch) |
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F | set pwm freq | (pitch) (hz) | 254=~123Hz
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f | get pwm freq | (pitch) |
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I | set pwm div | (pitch) (div) | See [PWM Divisor Table](#pwm-divisor).
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i | get pwm div | (pitch) |
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A | set flags | (pitch) (flags) |
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a | get flags | (pitch) |
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W | write table | (pitch) |
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N | note w/ duration | (pitch) (atkUs) (durMs) |
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S | seq | (pitch) (atkUs) (durMs) (deltaUs) (noteN) |
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L | log | (level) (0-1) |
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## PWM Divisor
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Value | Div | Frequency | Period
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------|------|-------------|-------
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1 | 1 | 16 M | 62.5 n
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2 | 2 | 8 M | 125 n
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3 | 4 | 4 M | 250 n
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4 | 8 | 2 M | 500 n
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5 | 16 | 1 M | 1 u
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6 | 32 | 500 K | 2 u
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7 | 64 | 250 K | 4 u
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8 | 128 | 125 K | 8 u
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9 | 256 | 62500 Hz | 16 u
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10 | 512 | 31250 Hz | 32 u
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11 | 1024 | 15625 Hz | 64 u
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12 | 2048 | 7812.5 Hz | 128 u
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13 | 4096 | 3906.25 Hz | 256 u
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14 | 8192 | 1953.125 Hz | 512 u
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15 |16384 | 976.6625 Hz | 1024 u
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## Pulse Timer Divisor
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Value | Divisor | Frequency | Period
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------|---------|------------|--------------
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1 | 1 | 16000000 | 62.5n
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2 | 8 | 2000000 | 500.0n
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3 | 64 | 250000 | 4.0u
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4 | 256 | 62500 | 16.0u
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5 | 1024 | 15625 | 64.0u
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## Memory Source Id Table
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Id | Memory | Note
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---|----------------|-------------------------------
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0 | Register file | See register table file
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1 | Velocity table | MIDI velocity to pulse ticks lookup table
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2 | EEPROM | EEPROM data memory
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## Memory Destination Id Table
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Id | Memory | Note
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---|----------------|-------------------------------
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4 | Register file | See register table file
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5 | Velocity table | MIDI velocity to pulse ticks lookup table
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6 | EEPROM | EEPROM data memory
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