core: Don't sleep with pending interrupts

[simavr] / simavr / sim / sim_vcd_file.h

diff --git a/simavr/sim/sim_vcd_file.h b/simavr/sim/sim_vcd_file.h
index b0845f4..1bc38c8 100644 (file)
--- a/simavr/sim/sim_vcd_file.h
+++ b/simavr/sim/sim_vcd_file.h
@@ -28,23 +28,33 @@
 #include <stdio.h>
 #include "sim_irq.h"
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 /*
  * Value Change dump module for simavr.
  * 
  * This structure registers IRQ change hooks to various "source" IRQs
- * and dumps their values (if changed) at certains intervals into the VCD file
+ * and dumps their values (if changed) at certain intervals into the VCD file
  */
- 
+
 #define AVR_VCD_MAX_SIGNALS 32
+#define AVR_VCD_LOG_SIZE       5120
 
 typedef struct avr_vcd_signal_t {
        avr_irq_t       irq;            // receiving IRQ
        char    alias;                  // vcd one character alias
        int             size;                   // in bits
        char    name[32];               // full human name      
-       int             touched;                // mark it ready to be flushed in VCD
 } avr_vcd_signal_t;
 
+typedef struct avr_vcd_log_t {
+       uint64_t        when;
+       avr_vcd_signal_t * signal;
+       uint32_t value;
+} avr_vcd_log_t;
+
 typedef struct avr_vcd_t {
        struct avr_t *  avr;    // AVR we are attaching timers to..
        
@@ -53,16 +63,20 @@ typedef struct avr_vcd_t {
 
        int signal_count;
        avr_vcd_signal_t        signal [AVR_VCD_MAX_SIGNALS];   
+
        uint64_t period;
-       uint32_t period_usec;
        uint64_t start;
+
+       uint32_t                logindex;
+       avr_vcd_log_t   log[AVR_VCD_LOG_SIZE];
 } avr_vcd_t;
 
-// initializes a new VCD trace file, opens it and returns zero if all is well
+// initializes a new VCD trace file, and returns zero if all is well
 int avr_vcd_init(struct avr_t * avr, 
        const char * filename,  // filename to write
        avr_vcd_t * vcd,                // vcd struct to initialize
-       uint32_t        period );       // period is in cycles
+       uint32_t        period );       // file flushing period is in usec
+void avr_vcd_close(avr_vcd_t * vcd);
 
 // Add a trace signal to the vcd file. Must be called before avr_vcd_start()
 int avr_vcd_add_signal(avr_vcd_t * vcd, 
@@ -75,4 +89,8 @@ int avr_vcd_start(avr_vcd_t * vcd);
 // stops recording signal values into the file
 int avr_vcd_stop(avr_vcd_t * vcd);
 
+#ifdef __cplusplus
+};
+#endif
+
 #endif /* __SIM_VCD_FILE_H__ */