Allow STM32 pins to specify timers (#17805)

Co-authored-by: Scott Lahteine <thinkyhead@users.noreply.github.com>

Marlin/src/HAL/STM32/timers.cpp

@@ -21,21 +21,61 @@
  */
 #if defined(ARDUINO_ARCH_STM32) && !defined(STM32GENERIC)
 
-#include "HAL.h"
-
 #include "timers.h"
 
+#include "../../inc/MarlinConfig.h"
+
 // ------------------------
 // Local defines
 // ------------------------
 
 #define NUM_HARDWARE_TIMERS 2
 
+#ifndef SWSERIAL_TIMER_IRQ_PRIO
+  #define SWSERIAL_TIMER_IRQ_PRIO 1
+#endif
+#ifndef STEP_TIMER_IRQ_PRIO
+  #define STEP_TIMER_IRQ_PRIO 2
+#endif
+#ifndef TEMP_TIMER_IRQ_PRIO
+  #define TEMP_TIMER_IRQ_PRIO 14   // 14 = after hardware ISRs
+#endif
+
+#ifdef STM32F0xx
+  #define HAL_TIMER_RATE (F_CPU)      // Frequency of timer peripherals
+  #define MCU_STEP_TIMER 16
+  #define MCU_TEMP_TIMER 17
+#elif defined(STM32F1xx)
+  #define HAL_TIMER_RATE (F_CPU)
+  #define MCU_STEP_TIMER  4
+  #define MCU_TEMP_TIMER  2
+#elif defined(STM32F401xC) || defined(STM32F401xE)
+  #define HAL_TIMER_RATE (F_CPU / 2)
+  #define MCU_STEP_TIMER  9
+  #define MCU_TEMP_TIMER 10
+#elif defined(STM32F4xx) || defined(STM32F7xx)
+  #define HAL_TIMER_RATE (F_CPU / 2)
+  #define MCU_STEP_TIMER  6           // STM32F401 has no TIM6, TIM7, or TIM8
+  #define MCU_TEMP_TIMER 14           // TIM7 is consumed by Software Serial if used.
+#endif
+
+#ifndef STEP_TIMER
+  #define STEP_TIMER MCU_STEP_TIMER
+#endif
+#ifndef TEMP_TIMER
+  #define TEMP_TIMER MCU_TEMP_TIMER
+#endif
+
 #define __TIMER_DEV(X) TIM##X
 #define _TIMER_DEV(X) __TIMER_DEV(X)
 #define STEP_TIMER_DEV _TIMER_DEV(STEP_TIMER)
 #define TEMP_TIMER_DEV _TIMER_DEV(TEMP_TIMER)
 
+#define __TIMER_IRQ_NAME(X) TIM##X##_IRQn
+#define _TIMER_IRQ_NAME(X) __TIMER_IRQ_NAME(X)
+#define STEP_TIMER_IRQ_NAME _TIMER_IRQ_NAME(STEP_TIMER)
+#define TEMP_TIMER_IRQ_NAME _TIMER_IRQ_NAME(TEMP_TIMER)
+
 // ------------------------
 // Private Variables
 // ------------------------

Marlin/src/HAL/STM32/timers.h

@@ -33,80 +33,6 @@
 #define hal_timer_t uint32_t
 #define HAL_TIMER_TYPE_MAX 0xFFFFFFFF // Timers can be 16 or 32 bit
 
-#ifdef STM32F0xx
-
-  #define HAL_TIMER_RATE (F_CPU) // frequency of timer peripherals
-
-  #ifndef STEP_TIMER
-    #define STEP_TIMER 16
-  #endif
-
-  #ifndef TEMP_TIMER
-    #define TEMP_TIMER 17
-  #endif
-
-#elif defined(STM32F1xx)
-
-  #define HAL_TIMER_RATE (F_CPU) // frequency of timer peripherals
-
-  #ifndef STEP_TIMER
-    #define STEP_TIMER 4
-  #endif
-
-  #ifndef TEMP_TIMER
-    #define TEMP_TIMER 2
-  #endif
-
-#elif defined(STM32F401xC) || defined(STM32F401xE)
-
-  #define HAL_TIMER_RATE (F_CPU / 2) // frequency of timer peripherals
-
-  #ifndef STEP_TIMER
-    #define STEP_TIMER 9
-  #endif
-
-  #ifndef TEMP_TIMER
-    #define TEMP_TIMER 10
-  #endif
-
-#elif defined(STM32F4xx)
-
-  #define HAL_TIMER_RATE (F_CPU / 2) // frequency of timer peripherals
-
-  #ifndef STEP_TIMER
-    #define STEP_TIMER 6  // STM32F401 has no TIM6, TIM7, or TIM8
-  #endif
-
-  #ifndef TEMP_TIMER
-    #define TEMP_TIMER 14 // TIM7 is consumed by Software Serial if used.
-  #endif
-
-#elif defined(STM32F7xx)
-
-  #define HAL_TIMER_RATE (F_CPU / 2) // frequency of timer peripherals
-
-  #ifndef STEP_TIMER
-    #define STEP_TIMER 6  // the RIGHT timer!
-  #endif
-
-  #ifndef TEMP_TIMER
-    #define TEMP_TIMER 14
-  #endif
-
-#endif
-
-#ifndef SWSERIAL_TIMER_IRQ_PRIO
-  #define SWSERIAL_TIMER_IRQ_PRIO 1
-#endif
-
-#ifndef STEP_TIMER_IRQ_PRIO
-  #define STEP_TIMER_IRQ_PRIO 2
-#endif
-
-#ifndef TEMP_TIMER_IRQ_PRIO
-  #define TEMP_TIMER_IRQ_PRIO 14   // 14 = after hardware ISRs
-#endif
-
 #define STEP_TIMER_NUM 0  // index of timer to use for stepper
 #define TEMP_TIMER_NUM 1  // index of timer to use for temperature
 #define PULSE_TIMER_NUM STEP_TIMER_NUM
@@ -122,12 +48,6 @@
 #define PULSE_TIMER_PRESCALE STEPPER_TIMER_PRESCALE
 #define PULSE_TIMER_TICKS_PER_US STEPPER_TIMER_TICKS_PER_US
 
-#define __TIMER_IRQ_NAME(X) TIM##X##_IRQn
-#define _TIMER_IRQ_NAME(X) __TIMER_IRQ_NAME(X)
-
-#define STEP_TIMER_IRQ_NAME _TIMER_IRQ_NAME(STEP_TIMER)
-#define TEMP_TIMER_IRQ_NAME _TIMER_IRQ_NAME(TEMP_TIMER)
-
 #define ENABLE_STEPPER_DRIVER_INTERRUPT() HAL_timer_enable_interrupt(STEP_TIMER_NUM)
 #define DISABLE_STEPPER_DRIVER_INTERRUPT() HAL_timer_disable_interrupt(STEP_TIMER_NUM)
 #define STEPPER_ISR_ENABLED() HAL_timer_interrupt_enabled(STEP_TIMER_NUM)

Marlin/src/pins/stm32f0/pins_MALYAN_M300.h

@@ -43,8 +43,6 @@
 //
 // Timers
 //
-#undef STEP_TIMER
-#undef TEMP_TIMER
 #define STEP_TIMER 6
 #define TEMP_TIMER 7
 

Marlin/src/pins/stm32f1/pins_MALYAN_M200.h

@@ -42,8 +42,6 @@
 // On STM32F103:
 // PB3, PB6, PB7, and PB8 can be used with pwm, which rules out TIM2 and TIM4.
 // On STM32F070, 16 and 17 are in use, but 1 and 3 are available.
-#undef STEP_TIMER
-#undef TEMP_TIMER
 #define STEP_TIMER 1
 #define TEMP_TIMER 3