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/*
* Copyright (c) 2013-2019 ARM Limited. All rights reserved.
*
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the License); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an AS IS BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* ----------------------------------------------------------------------
*
* $Date: 26. November 2019
* $Revision: V2.0.0
*
* Project: CMSIS-DAP Include
* Title: DAP.h Definitions
*
*---------------------------------------------------------------------------*/
#ifndef __DAP_H__
#define __DAP_H__
// DAP Firmware Version
#ifdef DAP_FW_V1
#define DAP_FW_VER "1.2.0"
#else
#define DAP_FW_VER "2.0.0"
#endif
// DAP Command IDs
#define ID_DAP_Info 0x00U
#define ID_DAP_HostStatus 0x01U
#define ID_DAP_Connect 0x02U
#define ID_DAP_Disconnect 0x03U
#define ID_DAP_TransferConfigure 0x04U
#define ID_DAP_Transfer 0x05U
#define ID_DAP_TransferBlock 0x06U
#define ID_DAP_TransferAbort 0x07U
#define ID_DAP_WriteABORT 0x08U
#define ID_DAP_Delay 0x09U
#define ID_DAP_ResetTarget 0x0AU
#define ID_DAP_SWJ_Pins 0x10U
#define ID_DAP_SWJ_Clock 0x11U
#define ID_DAP_SWJ_Sequence 0x12U
#define ID_DAP_SWD_Configure 0x13U
#define ID_DAP_SWD_Sequence 0x1DU
#define ID_DAP_JTAG_Sequence 0x14U
#define ID_DAP_JTAG_Configure 0x15U
#define ID_DAP_JTAG_IDCODE 0x16U
#define ID_DAP_SWO_Transport 0x17U
#define ID_DAP_SWO_Mode 0x18U
#define ID_DAP_SWO_Baudrate 0x19U
#define ID_DAP_SWO_Control 0x1AU
#define ID_DAP_SWO_Status 0x1BU
#define ID_DAP_SWO_ExtendedStatus 0x1EU
#define ID_DAP_SWO_Data 0x1CU
#define ID_DAP_QueueCommands 0x7EU
#define ID_DAP_ExecuteCommands 0x7FU
// DAP Vendor Command IDs
#define ID_DAP_Vendor0 0x80U
#define ID_DAP_Vendor1 0x81U
#define ID_DAP_Vendor2 0x82U
#define ID_DAP_Vendor3 0x83U
#define ID_DAP_Vendor4 0x84U
#define ID_DAP_Vendor5 0x85U
#define ID_DAP_Vendor6 0x86U
#define ID_DAP_Vendor7 0x87U
#define ID_DAP_Vendor8 0x88U
#define ID_DAP_Vendor9 0x89U
#define ID_DAP_Vendor10 0x8AU
#define ID_DAP_Vendor11 0x8BU
#define ID_DAP_Vendor12 0x8CU
#define ID_DAP_Vendor13 0x8DU
#define ID_DAP_Vendor14 0x8EU
#define ID_DAP_Vendor15 0x8FU
#define ID_DAP_Vendor16 0x90U
#define ID_DAP_Vendor17 0x91U
#define ID_DAP_Vendor18 0x92U
#define ID_DAP_Vendor19 0x93U
#define ID_DAP_Vendor20 0x94U
#define ID_DAP_Vendor21 0x95U
#define ID_DAP_Vendor22 0x96U
#define ID_DAP_Vendor23 0x97U
#define ID_DAP_Vendor24 0x98U
#define ID_DAP_Vendor25 0x99U
#define ID_DAP_Vendor26 0x9AU
#define ID_DAP_Vendor27 0x9BU
#define ID_DAP_Vendor28 0x9CU
#define ID_DAP_Vendor29 0x9DU
#define ID_DAP_Vendor30 0x9EU
#define ID_DAP_Vendor31 0x9FU
#define ID_DAP_Invalid 0xFFU
// DAP Status Code
#define DAP_OK 0U
#define DAP_ERROR 0xFFU
// DAP ID
#define DAP_ID_VENDOR 1U
#define DAP_ID_PRODUCT 2U
#define DAP_ID_SER_NUM 3U
#define DAP_ID_FW_VER 4U
#define DAP_ID_DEVICE_VENDOR 5U
#define DAP_ID_DEVICE_NAME 6U
#define DAP_ID_CAPABILITIES 0xF0U
#define DAP_ID_TIMESTAMP_CLOCK 0xF1U
#define DAP_ID_SWO_BUFFER_SIZE 0xFDU
#define DAP_ID_PACKET_COUNT 0xFEU
#define DAP_ID_PACKET_SIZE 0xFFU
// DAP Host Status
#define DAP_DEBUGGER_CONNECTED 0U
#define DAP_TARGET_RUNNING 1U
// DAP Port
#define DAP_PORT_AUTODETECT 0U // Autodetect Port
#define DAP_PORT_DISABLED 0U // Port Disabled (I/O pins in High-Z)
#define DAP_PORT_SWD 1U // SWD Port (SWCLK, SWDIO) + nRESET
#define DAP_PORT_JTAG 2U // JTAG Port (TCK, TMS, TDI, TDO, nTRST) + nRESET
// DAP SWJ Pins
#define DAP_SWJ_SWCLK_TCK 0 // SWCLK/TCK
#define DAP_SWJ_SWDIO_TMS 1 // SWDIO/TMS
#define DAP_SWJ_TDI 2 // TDI
#define DAP_SWJ_TDO 3 // TDO
#define DAP_SWJ_nTRST 5 // nTRST
#define DAP_SWJ_nRESET 7 // nRESET
// DAP Transfer Request
#define DAP_TRANSFER_APnDP (1U<<0)
#define DAP_TRANSFER_RnW (1U<<1)
#define DAP_TRANSFER_A2 (1U<<2)
#define DAP_TRANSFER_A3 (1U<<3)
#define DAP_TRANSFER_MATCH_VALUE (1U<<4)
#define DAP_TRANSFER_MATCH_MASK (1U<<5)
#define DAP_TRANSFER_TIMESTAMP (1U<<7)
// DAP Transfer Response
#define DAP_TRANSFER_OK (1U<<0)
#define DAP_TRANSFER_WAIT (1U<<1)
#define DAP_TRANSFER_FAULT (1U<<2)
#define DAP_TRANSFER_ERROR (1U<<3)
#define DAP_TRANSFER_MISMATCH (1U<<4)
// DAP SWO Trace Mode
#define DAP_SWO_OFF 0U
#define DAP_SWO_UART 1U
#define DAP_SWO_MANCHESTER 2U
// DAP SWO Trace Status
#define DAP_SWO_CAPTURE_ACTIVE (1U<<0)
#define DAP_SWO_CAPTURE_PAUSED (1U<<1)
#define DAP_SWO_STREAM_ERROR (1U<<6)
#define DAP_SWO_BUFFER_OVERRUN (1U<<7)
// Debug Port Register Addresses
#define DP_IDCODE 0x00U // IDCODE Register (SW Read only)
#define DP_ABORT 0x00U // Abort Register (SW Write only)
#define DP_CTRL_STAT 0x04U // Control & Status
#define DP_WCR 0x04U // Wire Control Register (SW Only)
#define DP_SELECT 0x08U // Select Register (JTAG R/W & SW W)
#define DP_RESEND 0x08U // Resend (SW Read Only)
#define DP_RDBUFF 0x0CU // Read Buffer (Read Only)
// JTAG IR Codes
#define JTAG_ABORT 0x08U
#define JTAG_DPACC 0x0AU
#define JTAG_APACC 0x0BU
#define JTAG_IDCODE 0x0EU
#define JTAG_BYPASS 0x0FU
// JTAG Sequence Info
#define JTAG_SEQUENCE_TCK 0x3FU // TCK count
#define JTAG_SEQUENCE_TMS 0x40U // TMS value
#define JTAG_SEQUENCE_TDO 0x80U // TDO capture
// SWD Sequence Info
#define SWD_SEQUENCE_CLK 0x3FU // SWCLK count
#define SWD_SEQUENCE_DIN 0x80U // SWDIO capture
#include <stddef.h>
#include <stdint.h>
#include "cmsis_compiler.h"
// DAP Data structure
typedef struct {
uint8_t debug_port; // Debug Port
uint8_t fast_clock; // Fast Clock Flag
uint8_t padding[2];
uint32_t clock_delay; // Clock Delay
uint32_t timestamp; // Last captured Timestamp
struct { // Transfer Configuration
uint8_t idle_cycles; // Idle cycles after transfer
uint8_t padding[3];
uint16_t retry_count; // Number of retries after WAIT response
uint16_t match_retry; // Number of retries if read value does not match
uint32_t match_mask; // Match Mask
} transfer;
#if (DAP_SWD != 0)
struct { // SWD Configuration
uint8_t turnaround; // Turnaround period
uint8_t data_phase; // Always generate Data Phase
} swd_conf;
#endif
#if (DAP_JTAG != 0)
struct { // JTAG Device Chain
uint8_t count; // Number of devices
uint8_t index; // Device index (device at TDO has index 0)
#if (DAP_JTAG_DEV_CNT != 0)
uint8_t ir_length[DAP_JTAG_DEV_CNT]; // IR Length in bits
uint16_t ir_before[DAP_JTAG_DEV_CNT]; // Bits before IR
uint16_t ir_after [DAP_JTAG_DEV_CNT]; // Bits after IR
#endif
} jtag_dev;
#endif
} DAP_Data_t;
extern DAP_Data_t DAP_Data; // DAP Data
extern volatile uint8_t DAP_TransferAbort; // Transfer Abort Flag
#ifdef __cplusplus
extern "C"
{
#endif
// Functions
extern void SWJ_Sequence (uint32_t count, const uint8_t *data);
extern void SWD_Sequence (uint32_t info, const uint8_t *swdo, uint8_t *swdi);
extern void JTAG_Sequence (uint32_t info, const uint8_t *tdi, uint8_t *tdo);
extern void JTAG_IR (uint32_t ir);
extern uint32_t JTAG_ReadIDCode (void);
extern void JTAG_WriteAbort (uint32_t data);
extern uint8_t JTAG_Transfer (uint32_t request, uint32_t *data);
extern uint8_t SWD_Transfer (uint32_t request, uint32_t *data);
extern void Delayms (uint32_t delay);
extern uint32_t SWO_Transport (const uint8_t *request, uint8_t *response);
extern uint32_t SWO_Mode (const uint8_t *request, uint8_t *response);
extern uint32_t SWO_Baudrate (const uint8_t *request, uint8_t *response);
extern uint32_t SWO_Control (const uint8_t *request, uint8_t *response);
extern uint32_t SWO_Status (uint8_t *response);
extern uint32_t SWO_ExtendedStatus (const uint8_t *request, uint8_t *response);
extern uint32_t SWO_Data (const uint8_t *request, uint8_t *response);
extern void SWO_QueueTransfer (uint8_t *buf, uint32_t num);
extern void SWO_AbortTransfer (void);
extern void SWO_TransferComplete (void);
extern uint32_t UART_SWO_Mode (uint32_t enable);
extern uint32_t UART_SWO_Baudrate (uint32_t baudrate);
extern uint32_t UART_SWO_Control (uint32_t active);
extern void UART_SWO_Capture (uint8_t *buf, uint32_t num);
extern uint32_t UART_SWO_GetCount (void);
extern uint32_t Manchester_SWO_Mode (uint32_t enable);
extern uint32_t Manchester_SWO_Baudrate (uint32_t baudrate);
extern uint32_t Manchester_SWO_Control (uint32_t active);
extern void Manchester_SWO_Capture (uint8_t *buf, uint32_t num);
extern uint32_t Manchester_SWO_GetCount (void);
extern uint32_t DAP_ProcessVendorCommand (const uint8_t *request, uint8_t *response);
extern uint32_t DAP_ProcessCommand (const uint8_t *request, uint8_t *response);
extern uint32_t DAP_ExecuteCommand (const uint8_t *request, uint8_t *response);
extern void DAP_Setup (void);
// Configurable delay for clock generation
#ifndef DELAY_SLOW_CYCLES
#define DELAY_SLOW_CYCLES 3U // Number of cycles for one iteration
#endif
#if defined(__CC_ARM)
__STATIC_INLINE void PIN_DELAY_SLOW (uint32_t delay) {
uint32_t count = delay;
while (--count);
}
#else
__STATIC_INLINE void PIN_DELAY_SLOW (uint32_t delay) {
__ASM volatile (
".syntax unified\n"
"0:\n\t"
"subs %0,%0,#1\n\t"
"bne 0b\n"
: "+l" (delay) : : "cc"
);
}
#endif
// Fixed delay for fast clock generation
#ifndef DELAY_FAST_CYCLES
#define DELAY_FAST_CYCLES 0U // Number of cycles: 0..3
#endif
__STATIC_INLINE void PIN_DELAY_FAST (void) {
#if (DELAY_FAST_CYCLES >= 1U)
__NOP();
#endif
#if (DELAY_FAST_CYCLES >= 2U)
__NOP();
#endif
#if (DELAY_FAST_CYCLES >= 3U)
__NOP();
#endif
}
#ifdef __cplusplus
}
#endif
#endif /* __DAP_H__ */