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Switch back to HardwarePWM to prevent ticking noise from power supply while heating the bed.

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This commit is contained in:
Knutwurst
2022-02-09 10:37:35 +01:00
parent 23609b0d40
commit 7071629534
2 changed files with 5 additions and 5 deletions
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6
Marlin/Configuration.h
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@@ -3462,20 +3462,20 @@
// Use software PWM to drive the fan, as for the heaters. This uses a very low frequency // Use software PWM to drive the fan, as for the heaters. This uses a very low frequency
// which is not as annoying as with the hardware PWM. On the other hand, if this frequency // which is not as annoying as with the hardware PWM. On the other hand, if this frequency
// is too low, you should also increment SOFT_PWM_SCALE. // is too low, you should also increment SOFT_PWM_SCALE.
#define FAN_SOFT_PWM //#define FAN_SOFT_PWM
// Incrementing this by 1 will double the software PWM frequency, // Incrementing this by 1 will double the software PWM frequency,
// affecting heaters, and the fan if FAN_SOFT_PWM is enabled. // affecting heaters, and the fan if FAN_SOFT_PWM is enabled.
// However, control resolution will be halved for each increment; // However, control resolution will be halved for each increment;
// at zero value, there are 128 effective control positions. // at zero value, there are 128 effective control positions.
// :[0,1,2,3,4,5,6,7] // :[0,1,2,3,4,5,6,7]
#define SOFT_PWM_SCALE 5 //#define SOFT_PWM_SCALE 2
// If SOFT_PWM_SCALE is set to a value higher than 0, dithering can // If SOFT_PWM_SCALE is set to a value higher than 0, dithering can
// be used to mitigate the associated resolution loss. If enabled, // be used to mitigate the associated resolution loss. If enabled,
// some of the PWM cycles are stretched so on average the desired // some of the PWM cycles are stretched so on average the desired
// duty cycle is attained. // duty cycle is attained.
#define SOFT_PWM_DITHER //#define SOFT_PWM_DITHER
// Temperature status LEDs that display the hotend and bed temperature. // Temperature status LEDs that display the hotend and bed temperature.
// If all hotends, bed temperature, and target temperature are under 54C // If all hotends, bed temperature, and target temperature are under 54C

4
Marlin/src/inc/Version.h
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@@ -41,10 +41,10 @@
* here we define this default string as the date where the latest release * here we define this default string as the date where the latest release
* version was tagged. * version was tagged.
*/ */
#define CUSTOM_BUILD_VERSION "1.4.0" #define CUSTOM_BUILD_VERSION "1.4.1"
#ifndef STRING_DISTRIBUTION_DATE #ifndef STRING_DISTRIBUTION_DATE
#define STRING_DISTRIBUTION_DATE "2022-02-07" #define STRING_DISTRIBUTION_DATE "2022-02-09"
#endif #endif
/** /**