cores/xmc: Dummy Commit.

Signed-off-by: MDin <Dinesh.M-EE@infineon.com>

Author: dineshgit411

cores/xmc/Tone.cpp

@@ -1,5 +1,6 @@
 #include "Arduino.h"
 #define CCU8V2 // for CCU8 PWM pins configure
+XMC_PWM4_t *pwm4;
 
 class Tone {
 public:
@@ -18,17 +19,27 @@ class Tone {
                              XMC_GPIO_MODE_OUTPUT_PUSH_PULL | pwm4->port_mode);
             XMC_CCU4_SLICE_StartTimer(pwm4->slice);
             // count pulses for stop the timer once reached required pulses
+            // if (duration > 0) {
+            //     uint32_t required_pulses = frequency * duration / 1000;
+            //     for (uint32_t i = 0; i < required_pulses; i++) {
+            //         while (
+            //             !XMC_CCU4_SLICE_GetEvent(pwm4->slice,
+            //             XMC_CCU4_SLICE_IRQ_ID_PERIOD_MATCH)) {
+            //         }
+            //         XMC_CCU4_SLICE_ClearEvent(pwm4->slice, XMC_CCU4_SLICE_IRQ_ID_PERIOD_MATCH);
+            //     }
+            //     XMC_CCU4_SLICE_StopTimer(pwm4->slice);
+            // }
+            //    if(duration >0) {
+            //     unsigned long start_time = millis();
+            //     while(millis() - start_time < duration) {
+            //         delay(1);
+            //     }
+            //     XMC_CCU4_SLICE_StopTimer(pwm4->slice);
+            // }
             if (duration > 0) {
-                uint32_t required_pulses = frequency * duration / 1000;
-                for (uint32_t i = 0; i < required_pulses; i++) {
-                    while (
-                        !XMC_CCU4_SLICE_GetEvent(pwm4->slice, XMC_CCU4_SLICE_IRQ_ID_PERIOD_MATCH)) {
-                    }
-                    XMC_CCU4_SLICE_ClearEvent(pwm4->slice, XMC_CCU4_SLICE_IRQ_ID_PERIOD_MATCH);
-                }
-                XMC_CCU4_SLICE_StopTimer(pwm4->slice);
+                configureTimerInterrupt(duration);
             }
-
         }
 #if defined(CCU8V2) || defined(CCU8V1)
         else if ((pin_index = scanMapTable(mapping_pin_PWM8, pin)) >= 0) {
@@ -38,15 +49,26 @@ class Tone {
                              XMC_GPIO_MODE_OUTPUT_PUSH_PULL | pwm8->port_mode);
             XMC_CCU8_SLICE_StartTimer(pwm8->slice);
             // calculate pulses
+            // if (duration > 0) {
+            //     uint32_t required_pulses = frequency * duration / 1000;
+            //     for (uint32_t i = 0; i < required_pulses; i++) {
+            //         while (
+            //             !XMC_CCU8_SLICE_GetEvent(pwm8->slice,
+            //             XMC_CCU8_SLICE_IRQ_ID_PERIOD_MATCH)) {
+            //         }
+            //         XMC_CCU8_SLICE_ClearEvent(pwm8->slice, XMC_CCU8_SLICE_IRQ_ID_PERIOD_MATCH);
+            //     }
+            //     XMC_CCU8_SLICE_StopTimer(pwm8->slice);
+            // }
+            // if(duration >0) {
+            //     unsigned long start_time = millis();
+            //     while(millis() - start_time < duration) {
+            //         delay(1);
+            //     }
+            //     XMC_CCU8_SLICE_StopTimer(pwm8->slice);
+            // }
             if (duration > 0) {
-                uint32_t required_pulses = frequency * duration / 1000;
-                for (uint32_t i = 0; i < required_pulses; i++) {
-                    while (
-                        !XMC_CCU8_SLICE_GetEvent(pwm8->slice, XMC_CCU8_SLICE_IRQ_ID_PERIOD_MATCH)) {
-                    }
-                    XMC_CCU8_SLICE_ClearEvent(pwm8->slice, XMC_CCU8_SLICE_IRQ_ID_PERIOD_MATCH);
-                }
-                XMC_CCU8_SLICE_StopTimer(pwm8->slice);
+                configureTimerInterrupt(duration);
             }
         }
 #endif
@@ -129,6 +151,30 @@ class Tone {
         }
         return -1;
     }
+
+    void configureTimerInterrupt(unsigned long duration_ms) {
+
+        XMC_CCU4_SLICE_COMPARE_CONFIG_t timer_config;
+        memset(&timer_config, 0, sizeof(timer_config));
+        timer_config.prescaler_initval = XMC_CCU4_SLICE_PRESCALER_64;
+        timer_config.passive_level = XMC_CCU4_SLICE_OUTPUT_PASSIVE_LEVEL_LOW;
+
+        XMC_CCU4_SLICE_CompareInit(CCU40_CC40, &timer_config);
+
+        // Calculate period for the timer based on the duration
+        uint32_t timer_ticks = (PCLK / 64) * duration_ms / 1000;
+        XMC_CCU4_SLICE_SetTimerPeriodMatch(CCU40_CC40, timer_ticks);
+
+        XMC_CCU4_SLICE_EnableEvent(CCU40_CC40, XMC_CCU4_SLICE_IRQ_ID_PERIOD_MATCH);
+        XMC_CCU4_SLICE_SetInterruptNode(CCU40_CC40, XMC_CCU4_SLICE_IRQ_ID_PERIOD_MATCH,
+                                        XMC_CCU4_SLICE_SR_ID_0);
+
+        // Enable the NVIC interrupt
+        NVIC_EnableIRQ(CCU40_0_IRQn);
+
+        // Start the timer
+        XMC_CCU4_SLICE_StartTimer(CCU40_CC40);
+    }
 };
 
 static Tone inst_Tone;
@@ -140,3 +186,11 @@ void tone(pin_size_t pin, unsigned int frequency, unsigned long duration) {
 }
 
 void noTone(pin_size_t pin) { inst_Tone.stop(pin); }
+
+void CCU40_0_IRQHandler(void) {
+
+    XMC_CCU4_SLICE_StopTimer(pwm4->slice);
+
+    XMC_CCU4_SLICE_StopTimer(CCU40_CC40);
+    XMC_CCU4_SLICE_ClearEvent(CCU40_CC40, XMC_CCU4_SLICE_IRQ_ID_PERIOD_MATCH);
+}