Обновление библиотек

2025-08-09 17:59:11 +03:00 · 2019-12-05 10:06:48 +02:00
parent 3ce7db0d97
commit c551a70a5b
205 changed files with 3731 additions and 2176 deletions
--- a/libraries/FastLED/platforms/arm/nrf52/arbiter_nrf52.h
+++ b/libraries/FastLED/platforms/arm/nrf52/arbiter_nrf52.h
@@ -0,0 +1,115 @@
+#ifndef __INC_ARBITER_NRF52
+#define __INC_ARBITER_NRF52
+
+#if defined(NRF52_SERIES)
+
+#include "led_sysdefs_arm_nrf52.h"
+
+//FASTLED_NAMESPACE_BEGIN
+
+typedef void (*FASTLED_NRF52_PWM_INTERRUPT_HANDLER)();
+
+// a trick learned from other embedded projects .. 
+// use the enum as an index to a statically-allocated array
+// to store unique information for that instance.
+// also provides a count of how many instances were enabled.
+//
+// See led_sysdefs_arm_nrf52.h for selection....
+//
+typedef enum _FASTLED_NRF52_ENABLED_PWM_INSTANCE {
+#if defined(FASTLED_NRF52_ENABLE_PWM_INSTANCE0)
+    FASTLED_NRF52_PWM0_INSTANCE_IDX,
+#endif
+#if defined(FASTLED_NRF52_ENABLE_PWM_INSTANCE1)
+    FASTLED_NRF52_PWM1_INSTANCE_IDX,
+#endif
+#if defined(FASTLED_NRF52_ENABLE_PWM_INSTANCE2)
+    FASTLED_NRF52_PWM2_INSTANCE_IDX,
+#endif
+#if defined(FASTLED_NRF52_ENABLE_PWM_INSTANCE3)
+    FASTLED_NRF52_PWM3_INSTANCE_IDX,
+#endif
+    FASTLED_NRF52_PWM_INSTANCE_COUNT
+} FASTLED_NRF52_ENABLED_PWM_INSTANCES;
+
+static_assert(FASTLED_NRF52_PWM_INSTANCE_COUNT > 0, "Instance count must be greater than zero -- define FASTLED_NRF52_ENABLE_PWM_INSTNACE[n] (replace `[n]` with digit)");
+
+template <uint32_t _PWM_ID>
+class PWM_Arbiter {
+
+private:
+    static_assert(_PWM_ID < 32, "PWM_ID over 31 breaks current arbitration bitmask");
+    //const  uint32_t _ACQUIRE_MASK =             (1u << _PWM_ID) ;
+    //const  uint32_t _CLEAR_MASK   = ~((uint32_t)(1u << _PWM_ID));
+    static uint32_t                              s_PwmInUse;
+    static NRF_PWM_Type * const                  s_PWM;
+    static IRQn_Type      const                           s_PWM_IRQ;
+    static FASTLED_NRF52_PWM_INTERRUPT_HANDLER volatile   s_Isr;
+
+public:
+    static void isr_handler() {
+        return s_Isr();
+    }
+    FASTLED_NRF52_INLINE_ATTRIBUTE static bool            isAcquired() {
+        return (0u != (s_PwmInUse & 1u)); // _ACQUIRE_MASK
+    }
+    FASTLED_NRF52_INLINE_ATTRIBUTE static void            acquire(FASTLED_NRF52_PWM_INTERRUPT_HANDLER isr) {
+        while (!tryAcquire(isr));
+    }
+    FASTLED_NRF52_INLINE_ATTRIBUTE static bool            tryAcquire(FASTLED_NRF52_PWM_INTERRUPT_HANDLER isr) {
+        uint32_t oldValue = __sync_fetch_and_or(&s_PwmInUse, 1u); // _ACQUIRE_MASK
+        if (0u == (oldValue & 1u)) { // _ACQUIRE_MASK
+            s_Isr = isr;
+            return true;
+        }
+        return false;
+    }
+    FASTLED_NRF52_INLINE_ATTRIBUTE static void            releaseFromIsr() {
+        uint32_t oldValue = __sync_fetch_and_and(&s_PwmInUse, ~1u); // _CLEAR_MASK
+        if (0u == (oldValue & 1u)) { // _ACQUIRE_MASK
+            // TODO: This should never be true... indicates was not held.
+            // Assert here?
+            (void)oldValue;
+        }
+        return;
+    }
+    FASTLED_NRF52_INLINE_ATTRIBUTE static NRF_PWM_Type *  getPWM() {
+        return s_PWM;
+    }
+    FASTLED_NRF52_INLINE_ATTRIBUTE static IRQn_Type       getIRQn() { return s_PWM_IRQ; }
+};
+template <uint32_t _PWM_ID> NRF_PWM_Type * const PWM_Arbiter<_PWM_ID>::s_PWM           =
+    #if defined(FASTLED_NRF52_ENABLE_PWM_INSTANCE0)
+        (_PWM_ID == 0 ? NRF_PWM0 :
+    #endif
+    #if defined(FASTLED_NRF52_ENABLE_PWM_INSTANCE1)
+        (_PWM_ID == 1 ? NRF_PWM1 :
+    #endif
+    #if defined(FASTLED_NRF52_ENABLE_PWM_INSTANCE2)
+        (_PWM_ID == 2 ? NRF_PWM2 :
+    #endif
+    #if defined(FASTLED_NRF52_ENABLE_PWM_INSTANCE3)
+        (_PWM_ID == 3 ? NRF_PWM3 :
+    #endif
+        (NRF_PWM_Type*)-1
+    #if defined(FASTLED_NRF52_ENABLE_PWM_INSTANCE0)
+        )
+    #endif
+    #if defined(FASTLED_NRF52_ENABLE_PWM_INSTANCE1)
+        )
+    #endif
+    #if defined(FASTLED_NRF52_ENABLE_PWM_INSTANCE2)
+        )
+    #endif
+    #if defined(FASTLED_NRF52_ENABLE_PWM_INSTANCE3)
+        )
+    #endif
+    ;
+template <uint32_t _PWM_ID> IRQn_Type    const                            PWM_Arbiter<_PWM_ID>::s_PWM_IRQ   = ((IRQn_Type)((uint8_t)((uint32_t)(s_PWM) >> 12)));
+template <uint32_t _PWM_ID> uint32_t                                      PWM_Arbiter<_PWM_ID>::s_PwmInUse  = 0;
+template <uint32_t _PWM_ID> FASTLED_NRF52_PWM_INTERRUPT_HANDLER volatile  PWM_Arbiter<_PWM_ID>::s_Isr       = NULL;
+
+//FASTLED_NAMESPACE_END
+
+#endif // NRF52_SERIES
+#endif // __INC_ARBITER_NRF52