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| author | s-holst <mail@s-holst.de> | 2021-07-21 00:00:11 +0900 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2021-07-20 11:00:11 -0400 |
| commit | c20a830e637171fa95d7956d48ce12b9d3e2cbb2 (patch) | |
| tree | 6e4b5ad24ad67be30a39cfd877d622f4def2b4e6 /config | |
| parent | 103dcf27ffd7cf1c4f70868c2ba1828ee4fbe37a (diff) | |
| download | kutter-c20a830e637171fa95d7956d48ce12b9d3e2cbb2.tar.gz kutter-c20a830e637171fa95d7956d48ce12b9d3e2cbb2.tar.xz kutter-c20a830e637171fa95d7956d48ce12b9d3e2cbb2.zip | |
config: Fix M300 beeper example. (#4480)
The M300 example macro now sets the PWM cycle time to generate the requested
frequency. 'scale' did not have the desired effect. Duty cycle is now
fixed at 0.5. All S parameter values less than 1 generate a 1Hz 'tone'
to avoid division-by-zero.
Signed-off-by: Stefan Holst <mail@s-holst.de>
Diffstat (limited to 'config')
| -rw-r--r-- | config/sample-macros.cfg | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/config/sample-macros.cfg b/config/sample-macros.cfg index 0eb049ac..fcb144e0 100644 --- a/config/sample-macros.cfg +++ b/config/sample-macros.cfg @@ -72,9 +72,7 @@ value: 0 shutdown_value: 0 # Disable at emergency shutdown (no PWM would be available anyway). cycle_time: 0.001 -# PWM frequency : 0.001 = 1ms will give a base tone of 1kHz -scale: 1000 -# PWM parameter will be in the range of (0-1000 Hz). +# Default PWM frequency : 0.001 = 1ms will give a tone of 1kHz # Although not pitch perfect. [gcode_macro M300] @@ -83,7 +81,7 @@ gcode: {% set S = params.S|default(1000)|int %} # Use a 10ms duration is P is omitted. {% set P = params.P|default(100)|int %} - SET_PIN PIN=BEEPER_pin VALUE={S} + SET_PIN PIN=BEEPER_pin VALUE=0.5 CYCLE_TIME={ 1.0/S if S > 0 else 1 } G4 P{P} SET_PIN PIN=BEEPER_pin VALUE=0 |