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arduino-cli/libraries/RF24/utility/ATXMegaD3/compatibility.c

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+/*
+ * compatibility.c
+ *
+ * Created: 19/1/2016 15:31:35
+ *  Author: akatran
+ */
+
+#include <avr/io.h>
+#include <stdint.h>
+#include <util/delay.h>
+
+volatile uint32_t _millis;
+
+void __msleep(int milisec)
+{
+    while (milisec-- > 0) {
+        _delay_ms(1);
+    }
+}
+
+void __usleep(int usec)
+{
+    while (usec-- > 0) {
+        _delay_us(1);
+    }
+}
+
+void __start_timer()
+{
+
+    // Timer details : Clock is 32MHz, Timer resolution is 8bit, Prescaler is 256, Period is 124, Real Time is 0.001s
+
+    /* Set the timer to run at the fastest rate. */
+    TCE0.CTRLA = TC_CLKSEL_DIV256_gc;
+
+    /* Configure the timer for normal counting. */
+    TCE0.CTRLB = TC_WGMODE_NORMAL_gc;
+
+    /* At 2 MHz, one tick is 0.5 us.  Set period to 8 us. */
+    TCE0.PER = 124;
+    //TCC0.PER = 2;
+
+    /* Configure timer to generate an interrupt on overflow. */
+    TCE0.INTCTRLA = TC_OVFINTLVL_HI_gc;
+
+    /* Enable this interrupt level. */
+    PMIC.CTRL = PMIC_LOLVLEN_bm | PMIC_MEDLVLEN_bm | PMIC_HILVLEN_bm;
+
+    _millis = 0;
+}
+
+long __millis()
+{
+    return _millis;
+}
+
+void update_milisec()
+{
+    _millis++;
+}
+
+
+
+