141 lines
3.3 KiB
C
141 lines
3.3 KiB
C
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/*
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******************************************************************************
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* @file SWD.h
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* @author FreqChip Firmware Team
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* @version V1.0.0
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* @date 2023
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* @brief Header file of SWD.c
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******************************************************************************
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* @attention
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*
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* Copyright (c) 2023 FreqChip.
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* All rights reserved.
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******************************************************************************
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*/
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#ifndef __SWD_H__
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#define __SWD_H__
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#include <stdint.h>
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#include <stdbool.h>
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#include "fr30xx.h"
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static inline void SWD_DELAY(void)
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{
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__NOP();__NOP();__NOP();__NOP();__NOP();
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__NOP();__NOP();__NOP();__NOP();__NOP();
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__NOP();__NOP();__NOP();__NOP();__NOP();
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__NOP();__NOP();__NOP();__NOP();__NOP();
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__NOP();__NOP();__NOP();__NOP();__NOP();
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__NOP();__NOP();__NOP();__NOP();__NOP();
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__NOP();__NOP();__NOP();__NOP();__NOP();
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__NOP();__NOP();__NOP();__NOP();__NOP();
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__NOP();__NOP();__NOP();__NOP();__NOP();
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__NOP();__NOP();__NOP();__NOP();__NOP();
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}
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#define DELAY_CYCLES 10U
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static inline void PIN_DELAY(void)
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{
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#if (DELAY_CYCLES >= 1U)
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__NOP();
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#endif
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#if (DELAY_CYCLES >= 2U)
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__NOP();
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#endif
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#if (DELAY_CYCLES >= 3U)
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__NOP();
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#endif
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#if (DELAY_CYCLES >= 4U)
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__NOP();
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#endif
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#if (DELAY_CYCLES >= 5U)
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__NOP();
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#endif
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#if (DELAY_CYCLES >= 6U)
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__NOP();
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#endif
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#if (DELAY_CYCLES >= 7U)
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__NOP();
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#endif
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#if (DELAY_CYCLES >= 8U)
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__NOP();
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#endif
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#if (DELAY_CYCLES >= 9U)
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__NOP();
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#endif
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#if (DELAY_CYCLES >= 10U)
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__NOP();
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#endif
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#if (DELAY_CYCLES >= 20U)
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__NOP();__NOP();__NOP();__NOP();__NOP();
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__NOP();__NOP();__NOP();__NOP();__NOP();
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#endif
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#if (DELAY_CYCLES >= 30U)
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__NOP();__NOP();__NOP();__NOP();__NOP();
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__NOP();__NOP();__NOP();__NOP();__NOP();
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#endif
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#if (DELAY_CYCLES >= 40U)
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__NOP();__NOP();__NOP();__NOP();__NOP();
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__NOP();__NOP();__NOP();__NOP();__NOP();
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__NOP();__NOP();__NOP();__NOP();__NOP();
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#endif
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#if (DELAY_CYCLES >= 50U)
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__NOP();__NOP();__NOP();__NOP();__NOP();
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__NOP();__NOP();__NOP();__NOP();__NOP();
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__NOP();__NOP();__NOP();__NOP();__NOP();
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__NOP();__NOP();__NOP();__NOP();__NOP();
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#endif
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#if (DELAY_CYCLES >= 60U)
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__NOP();__NOP();__NOP();__NOP();__NOP();
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__NOP();__NOP();__NOP();__NOP();__NOP();
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__NOP();__NOP();__NOP();__NOP();__NOP();
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__NOP();__NOP();__NOP();__NOP();__NOP();
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__NOP();__NOP();__NOP();__NOP();__NOP();
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__NOP();__NOP();__NOP();__NOP();__NOP();
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#endif
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}
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#if DELAY_CYCLES == 0
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#define SWD_DELAY()
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#else
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#define SWD_DELAY() PIN_DELAY()
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#endif
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// DAP Transfer Request
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#define DAP_TRANSFER_APnDP (1)
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#define DAP_TRANSFER_RnW (2)
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#define DAP_TRANSFER_A2 (3)
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#define DAP_TRANSFER_A3 (8)
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#define REQ_AP (1)
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#define REQ_DP (0)
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#define REQ_R (2)
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#define REQ_W (0)
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#define REQ_ADDR_0 (0x00)
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#define REQ_ADDR_1 (0x04)
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#define REQ_ADDR_2 (0x08)
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#define REQ_ADDR_3 (0x0C)
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// DAP Transfer Response
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#define DAP_TRANSFER_OK (0x04)
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#define DAP_TRANSFER_WAIT (0x02)
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#define DAP_TRANSFER_FAULT (0x01)
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/* Exported functions --------------------------------------------------------*/
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void SWD_IO_init(void);
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void SWD_Connect(void);
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void SWD_Enable_Debug(void);
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void SWD_W_REG(uint32_t ADDR, uint32_t Value);
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void SWD_R_REG(uint32_t ADDR, uint32_t *Buffer, uint32_t Length);
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void SWD_W_SystemReg(void);
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#endif
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