neorv32_gptmr.h

Go to the documentation of this file.

// ================================================================================ //
// The NEORV32 RISC-V Processor - https://github.com/stnolting/neorv32              //
// Copyright (c) NEORV32 contributors.                                              //
// Copyright (c) 2020 - 2025 Stephan Nolting. All rights reserved.                  //
// Licensed under the BSD-3-Clause license, see LICENSE for details.                //
// SPDX-License-Identifier: BSD-3-Clause                                            //
// ================================================================================ //
 
#ifndef NEORV32_GPTMR_H
#define NEORV32_GPTMR_H
 
#include <stdint.h>
 
 
/**********************************************************************/
typedef volatile struct __attribute__((packed,aligned(4))) {
  union {
    uint32_t WORD;     
    struct {
      uint16_t ENABLE; 
      uint16_t MODE;   
    };
  } CSR0;              
  union {
    uint32_t WORD;   
    struct {
      uint16_t IRQ;  
      uint16_t PRSC; 
    };
  } CSR1;            
  const uint32_t reserved[30]; 
  struct {
    uint32_t CNT; 
    uint32_t THR; 
  } SLICE[16];
} neorv32_gptmr_t;
 
#define NEORV32_GPTMR ((neorv32_gptmr_t*) (NEORV32_GPTMR_BASE))
/**********************************************************************/
int  neorv32_gptmr_available(void);
int  neorv32_gptmr_get_num_slices(void);
void neorv32_gptmr_setup(int prsc);
void neorv32_gptmr_enable_single(int sel);
void neorv32_gptmr_disable_single(int sel);
void neorv32_gptmr_enable_mask(uint16_t mask);
void neorv32_gptmr_disable_mask(uint16_t mask);
void neorv32_gptmr_configure(int sel, uint32_t cnt, uint32_t thr, int mode);
int  neorv32_gptmr_irq_get(void);
void neorv32_gptmr_irq_ack(int sel);
#endif // NEORV32_GPTMR_H