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#ifndef __PRU_INTERNAL_H
#define __PRU_INTERNAL_H
// Local definitions for PRU code
#include <stdint.h> // uint32_t
#define IEP_EVENT 7
#define KICK_ARM_EVENT 16
#define KICK_PRU0_FROM_ARM_EVENT 17
#define KICK_PRU0_EVENT 18
#define KICK_PRU1_EVENT 19
#define WAKE_PRU0_IRQ 0
#define WAKE_PRU1_IRQ 1
#define WAKE_ARM_IRQ 2
#define R31_IRQ_OFFSET 30
#define R31_WRITE_IRQ_SELECT (1<<5)
#define R31_WRITE_IRQ_OFFSET 16
// Layout of shared memory
struct shared_mem {
uint32_t signal;
uint32_t read_pos, read_count;
char read_data[512];
uint32_t send_push_pos, send_pop_pos;
struct {
uint32_t count;
char data[64];
} send_data[4];
};
#define SIGNAL_PRU0_WAITING 0xefefefef
#define SIGNAL_PRU1_READY 0xabababab
static struct shared_mem *SHARED_MEM = (void*)0x10000;
#endif // internal.h
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