Joel's Projects >> fpga_fan_controller

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fpga_fan_controller [2016/08/26 11:57]
joel [Performance] 		fpga_fan_controller [2017/12/06 11:18] (current)
Line 33: Line 33:
  
 ==== Packet Format ==== ==== Packet Format ====
-Data is transmitted by a 2/3rd / 1/3rd PWM scheme:+Data is transmitted by a 2/3rd / 1/3rd PWM scheme at ~2000bps.
  
 {{:hunter_fan:pwm-modulation.png|}} {{:hunter_fan:pwm-modulation.png|}}
  
-^ Command     ^ Preamble  ^^ 4-bit Fan Id   ^^^^ Payload                   ^^^^^^^+^ Command     ^ Preamble  ^^ 4-bit Fan Id   ^^^^ 7-bit Payload             ^^^^^^^
 ^ Off         | 0   | 0      | LSB | ⋅   | ⋅   | MSB | 1 | 1 | 1 | 1 | 0 | 0 | 1 | ^ Off         | 0   | 0      | LSB | ⋅   | ⋅   | MSB | 1 | 1 | 1 | 1 | 0 | 0 | 1 |
 ^ Speed 1     | ::: | :::    | ::: | ::: | ::: | ::: | 1 | 1 | 1 | 0 | 0 | 0 | 1 | ^ Speed 1     | ::: | :::    | ::: | ::: | ::: | ::: | 1 | 1 | 1 | 0 | 0 | 0 | 1 |
fpga_fan_controller.1472227070.txt.gz · Last modified: 2017/12/06 11:18 (external edit)