3DPrinting/MarlinFirmware
1
0
Fork 0
mirror of https://github.com/MarlinFirmware/Marlin.git synced 2024-11-28 22:35:21 +00:00
Code Issues Releases Wiki Activity

📌 Improve Longer3D fan PWM (#23477)

Browse Source
This commit is contained in:
Tanguy Pruvot 2022-01-09 10:49:39 +01:00 committed by GitHub
parent 75d1f975a8
commit 27d252c80b
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 11 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

23
Marlin/src/pins/stm32f1/pins_LONGER3D_LK.h
View File

@ -89,20 +89,19 @@
#define HEATER_BED_PIN PA8 // pin 67 (Hot Bed Mosfet)
#define FAN_PIN PA15 // pin 77 (4cm Fan)
#ifdef MAPLE_STM32F1
#if TERN(MAPLE_STM32F1, ENABLED(FAN_SOFT_PWM), ENABLED(FAST_PWM_FAN)) && FAN_MIN_PWM < 5 // Required to avoid issues with heating or STLink
#error "FAN_MIN_PWM must be 5 or higher." // Fan will not start in 1-30 range
#endif
#if defined(MAPLE_STM32F1) || DISABLED(FAST_PWM_FAN) // STM32 HAL required to allow TIMER2 Hardware PWM
#define FAN_SOFT_PWM_REQUIRED
#if ENABLED(FAN_SOFT_PWM) && FAN_MIN_PWM < 35 // Required to avoid issues with heating or STLink
#error "FAN_MIN_PWM must be 35 or higher." // Fan will not start in 1-30 range
#endif
#elif ENABLED(FAST_PWM_FAN)
#if FAST_PWM_FAN_FREQUENCY != 31400 // Default 1000 is noisy, max 65K (uint16)
#error "FAST_PWM_FAN_FREQUENCY must be set to 31400."
#endif
#if FAN_MIN_PWM < 5
#error "FAN_MIN_PWM must be 5 or higher."
#endif
#else
#error "FAST_PWM_FAN required to allow TIMER2 Hardware PWM."
#if FAST_PWM_FAN_FREQUENCY <= 1000 // Default 1000 is noisy, max 65K (uint16)
#error "FAST_PWM_FAN_FREQUENCY must be greater than 1000."
#elif FAST_PWM_FAN_FREQUENCY > 65535
#error "FAST_PWM_FAN_FREQUENCY must be less than 65536."
#endif
#endif
//#define BEEPER_PIN PD13 // pin 60 (Servo PWM output 5V/GND on Board V0G+) made for BL-Touch sensor