369 lines
14 KiB
C
369 lines
14 KiB
C
/*
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* Copyright (c) 2013-2021 ARM Limited. All rights reserved.
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Licensed under the Apache License, Version 2.0 (the License); you may
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* not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an AS IS BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* ----------------------------------------------------------------------
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*
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* $Date: 26. May 2021
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* $Revision: V2.1.0
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*
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* Project: CMSIS-DAP Include
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* Title: DAP.h Definitions
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*
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*---------------------------------------------------------------------------*/
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#ifndef __DAP_H__
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#define __DAP_H__
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// DAP Firmware Version
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#ifdef DAP_FW_V1
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#define DAP_FW_VER "1.3.0"
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#else
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#define DAP_FW_VER "2.1.0"
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#endif
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// DAP Command IDs
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#define ID_DAP_Info 0x00U
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#define ID_DAP_HostStatus 0x01U
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#define ID_DAP_Connect 0x02U
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#define ID_DAP_Disconnect 0x03U
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#define ID_DAP_TransferConfigure 0x04U
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#define ID_DAP_Transfer 0x05U
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#define ID_DAP_TransferBlock 0x06U
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#define ID_DAP_TransferAbort 0x07U
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#define ID_DAP_WriteABORT 0x08U
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#define ID_DAP_Delay 0x09U
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#define ID_DAP_ResetTarget 0x0AU
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#define ID_DAP_SWJ_Pins 0x10U
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#define ID_DAP_SWJ_Clock 0x11U
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#define ID_DAP_SWJ_Sequence 0x12U
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#define ID_DAP_SWD_Configure 0x13U
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#define ID_DAP_SWD_Sequence 0x1DU
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#define ID_DAP_JTAG_Sequence 0x14U
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#define ID_DAP_JTAG_Configure 0x15U
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#define ID_DAP_JTAG_IDCODE 0x16U
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#define ID_DAP_SWO_Transport 0x17U
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#define ID_DAP_SWO_Mode 0x18U
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#define ID_DAP_SWO_Baudrate 0x19U
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#define ID_DAP_SWO_Control 0x1AU
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#define ID_DAP_SWO_Status 0x1BU
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#define ID_DAP_SWO_ExtendedStatus 0x1EU
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#define ID_DAP_SWO_Data 0x1CU
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#define ID_DAP_UART_Transport 0x1FU
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#define ID_DAP_UART_Configure 0x20U
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#define ID_DAP_UART_Control 0x22U
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#define ID_DAP_UART_Status 0x23U
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#define ID_DAP_UART_Transfer 0x21U
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#define ID_DAP_QueueCommands 0x7EU
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#define ID_DAP_ExecuteCommands 0x7FU
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// DAP Vendor Command IDs
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#define ID_DAP_Vendor0 0x80U
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#define ID_DAP_Vendor1 0x81U
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#define ID_DAP_Vendor2 0x82U
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#define ID_DAP_Vendor3 0x83U
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#define ID_DAP_Vendor4 0x84U
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#define ID_DAP_Vendor5 0x85U
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#define ID_DAP_Vendor6 0x86U
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#define ID_DAP_Vendor7 0x87U
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#define ID_DAP_Vendor8 0x88U
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#define ID_DAP_Vendor9 0x89U
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#define ID_DAP_Vendor10 0x8AU
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#define ID_DAP_Vendor11 0x8BU
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#define ID_DAP_Vendor12 0x8CU
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#define ID_DAP_Vendor13 0x8DU
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#define ID_DAP_Vendor14 0x8EU
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#define ID_DAP_Vendor15 0x8FU
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#define ID_DAP_Vendor16 0x90U
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#define ID_DAP_Vendor17 0x91U
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#define ID_DAP_Vendor18 0x92U
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#define ID_DAP_Vendor19 0x93U
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#define ID_DAP_Vendor20 0x94U
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#define ID_DAP_Vendor21 0x95U
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#define ID_DAP_Vendor22 0x96U
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#define ID_DAP_Vendor23 0x97U
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#define ID_DAP_Vendor24 0x98U
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#define ID_DAP_Vendor25 0x99U
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#define ID_DAP_Vendor26 0x9AU
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#define ID_DAP_Vendor27 0x9BU
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#define ID_DAP_Vendor28 0x9CU
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#define ID_DAP_Vendor29 0x9DU
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#define ID_DAP_Vendor30 0x9EU
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#define ID_DAP_Vendor31 0x9FU
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#define ID_DAP_Invalid 0xFFU
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// DAP Status Code
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#define DAP_OK 0U
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#define DAP_ERROR 0xFFU
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// DAP ID
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#define DAP_ID_VENDOR 1U
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#define DAP_ID_PRODUCT 2U
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#define DAP_ID_SER_NUM 3U
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#define DAP_ID_DAP_FW_VER 4U
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#define DAP_ID_DEVICE_VENDOR 5U
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#define DAP_ID_DEVICE_NAME 6U
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#define DAP_ID_BOARD_VENDOR 7U
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#define DAP_ID_BOARD_NAME 8U
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#define DAP_ID_PRODUCT_FW_VER 9U
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#define DAP_ID_CAPABILITIES 0xF0U
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#define DAP_ID_TIMESTAMP_CLOCK 0xF1U
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#define DAP_ID_UART_RX_BUFFER_SIZE 0xFBU
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#define DAP_ID_UART_TX_BUFFER_SIZE 0xFCU
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#define DAP_ID_SWO_BUFFER_SIZE 0xFDU
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#define DAP_ID_PACKET_COUNT 0xFEU
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#define DAP_ID_PACKET_SIZE 0xFFU
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// DAP Host Status
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#define DAP_DEBUGGER_CONNECTED 0U
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#define DAP_TARGET_RUNNING 1U
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// DAP Port
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#define DAP_PORT_AUTODETECT 0U // Autodetect Port
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#define DAP_PORT_DISABLED 0U // Port Disabled (I/O pins in High-Z)
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#define DAP_PORT_SWD 1U // SWD Port (SWCLK, SWDIO) + nRESET
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#define DAP_PORT_JTAG 2U // JTAG Port (TCK, TMS, TDI, TDO, nTRST) + nRESET
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// DAP SWJ Pins
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#define DAP_SWJ_SWCLK_TCK 0 // SWCLK/TCK
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#define DAP_SWJ_SWDIO_TMS 1 // SWDIO/TMS
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#define DAP_SWJ_TDI 2 // TDI
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#define DAP_SWJ_TDO 3 // TDO
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#define DAP_SWJ_nTRST 5 // nTRST
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#define DAP_SWJ_nRESET 7 // nRESET
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// DAP Transfer Request
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#define DAP_TRANSFER_APnDP (1U<<0)
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#define DAP_TRANSFER_RnW (1U<<1)
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#define DAP_TRANSFER_A2 (1U<<2)
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#define DAP_TRANSFER_A3 (1U<<3)
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#define DAP_TRANSFER_MATCH_VALUE (1U<<4)
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#define DAP_TRANSFER_MATCH_MASK (1U<<5)
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#define DAP_TRANSFER_TIMESTAMP (1U<<7)
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// DAP Transfer Response
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#define DAP_TRANSFER_OK (1U<<0)
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#define DAP_TRANSFER_WAIT (1U<<1)
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#define DAP_TRANSFER_FAULT (1U<<2)
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#define DAP_TRANSFER_ERROR (1U<<3)
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#define DAP_TRANSFER_MISMATCH (1U<<4)
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// DAP SWO Trace Mode
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#define DAP_SWO_OFF 0U
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#define DAP_SWO_UART 1U
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#define DAP_SWO_MANCHESTER 2U
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// DAP SWO Trace Status
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#define DAP_SWO_CAPTURE_ACTIVE (1U<<0)
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#define DAP_SWO_CAPTURE_PAUSED (1U<<1)
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#define DAP_SWO_STREAM_ERROR (1U<<6)
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#define DAP_SWO_BUFFER_OVERRUN (1U<<7)
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// DAP UART Transport
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#define DAP_UART_TRANSPORT_NONE 0U
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#define DAP_UART_TRANSPORT_USB_COM_PORT 1U
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#define DAP_UART_TRANSPORT_DAP_COMMAND 2U
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// DAP UART Control
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#define DAP_UART_CONTROL_RX_ENABLE (1U<<0)
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#define DAP_UART_CONTROL_RX_DISABLE (1U<<1)
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#define DAP_UART_CONTROL_RX_BUF_FLUSH (1U<<2)
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#define DAP_UART_CONTROL_TX_ENABLE (1U<<4)
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#define DAP_UART_CONTROL_TX_DISABLE (1U<<5)
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#define DAP_UART_CONTROL_TX_BUF_FLUSH (1U<<6)
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// DAP UART Status
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#define DAP_UART_STATUS_RX_ENABLED (1U<<0)
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#define DAP_UART_STATUS_RX_DATA_LOST (1U<<1)
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#define DAP_UART_STATUS_FRAMING_ERROR (1U<<2)
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#define DAP_UART_STATUS_PARITY_ERROR (1U<<3)
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#define DAP_UART_STATUS_TX_ENABLED (1U<<4)
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// DAP UART Configure Error
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#define DAP_UART_CFG_ERROR_DATA_BITS (1U<<0)
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#define DAP_UART_CFG_ERROR_PARITY (1U<<1)
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#define DAP_UART_CFG_ERROR_STOP_BITS (1U<<2)
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// Debug Port Register Addresses
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#define DP_IDCODE 0x00U // IDCODE Register (SW Read only)
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#define DP_ABORT 0x00U // Abort Register (SW Write only)
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#define DP_CTRL_STAT 0x04U // Control & Status
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#define DP_WCR 0x04U // Wire Control Register (SW Only)
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#define DP_SELECT 0x08U // Select Register (JTAG R/W & SW W)
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#define DP_RESEND 0x08U // Resend (SW Read Only)
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#define DP_RDBUFF 0x0CU // Read Buffer (Read Only)
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// JTAG IR Codes
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#define JTAG_ABORT 0x08U
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#define JTAG_DPACC 0x0AU
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#define JTAG_APACC 0x0BU
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#define JTAG_IDCODE 0x0EU
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#define JTAG_BYPASS 0x0FU
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// JTAG Sequence Info
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#define JTAG_SEQUENCE_TCK 0x3FU // TCK count
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#define JTAG_SEQUENCE_TMS 0x40U // TMS value
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#define JTAG_SEQUENCE_TDO 0x80U // TDO capture
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// SWD Sequence Info
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#define SWD_SEQUENCE_CLK 0x3FU // SWCLK count
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#define SWD_SEQUENCE_DIN 0x80U // SWDIO capture
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#include <stddef.h>
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#include <stdint.h>
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#include "cmsis_compiler.h"
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// DAP Data structure
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typedef struct {
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uint8_t debug_port; // Debug Port
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uint8_t fast_clock; // Fast Clock Flag
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uint8_t padding[2];
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uint32_t clock_delay; // Clock Delay
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uint32_t clock_freq; // Clock Frequency
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uint32_t timestamp; // Last captured Timestamp
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struct { // Transfer Configuration
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uint8_t idle_cycles; // Idle cycles after transfer
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uint8_t padding[3];
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uint16_t retry_count; // Number of retries after WAIT response
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uint16_t match_retry; // Number of retries if read value does not match
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uint32_t match_mask; // Match Mask
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} transfer;
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#if (DAP_SWD != 0)
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struct { // SWD Configuration
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uint8_t turnaround; // Turnaround period
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uint8_t data_phase; // Always generate Data Phase
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} swd_conf;
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#endif
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#if (DAP_JTAG != 0)
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struct { // JTAG Device Chain
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uint8_t count; // Number of devices
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uint8_t index; // Device index (device at TDO has index 0)
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#if (DAP_JTAG_DEV_CNT != 0)
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uint8_t ir_length[DAP_JTAG_DEV_CNT]; // IR Length in bits
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uint16_t ir_before[DAP_JTAG_DEV_CNT]; // Bits before IR
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uint16_t ir_after [DAP_JTAG_DEV_CNT]; // Bits after IR
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#endif
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} jtag_dev;
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#endif
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} DAP_Data_t;
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extern DAP_Data_t DAP_Data; // DAP Data
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extern volatile uint8_t DAP_TransferAbort; // Transfer Abort Flag
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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// Functions
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extern void SWJ_Sequence (uint32_t count, const uint8_t *data);
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extern void SWD_Sequence (uint32_t info, const uint8_t *swdo, uint8_t *swdi);
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extern void JTAG_Sequence (uint32_t info, const uint8_t *tdi, uint8_t *tdo);
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extern void JTAG_IR (uint32_t ir);
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extern uint32_t JTAG_ReadIDCode (void);
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extern void JTAG_WriteAbort (uint32_t data);
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extern uint8_t JTAG_Transfer (uint32_t request, uint32_t *data);
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extern uint8_t SWD_Transfer (uint32_t request, uint32_t *data);
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extern void Delayms (uint32_t delay);
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extern uint32_t SWO_Transport (const uint8_t *request, uint8_t *response);
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extern uint32_t SWO_Mode (const uint8_t *request, uint8_t *response);
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extern uint32_t SWO_Baudrate (const uint8_t *request, uint8_t *response);
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extern uint32_t SWO_Control (const uint8_t *request, uint8_t *response);
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extern uint32_t SWO_Status (uint8_t *response);
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extern uint32_t SWO_ExtendedStatus (const uint8_t *request, uint8_t *response);
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extern uint32_t SWO_Data (const uint8_t *request, uint8_t *response);
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extern void SWO_QueueTransfer (uint8_t *buf, uint32_t num);
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extern void SWO_AbortTransfer (void);
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extern void SWO_TransferComplete (void);
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extern uint32_t SWO_Mode_UART (uint32_t enable);
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extern uint32_t SWO_Baudrate_UART (uint32_t baudrate);
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extern uint32_t SWO_Control_UART (uint32_t active);
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extern void SWO_Capture_UART (uint8_t *buf, uint32_t num);
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extern uint32_t SWO_GetCount_UART (void);
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extern uint32_t SWO_Mode_Manchester (uint32_t enable);
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extern uint32_t SWO_Baudrate_Manchester (uint32_t baudrate);
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extern uint32_t SWO_Control_Manchester (uint32_t active);
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extern void SWO_Capture_Manchester (uint8_t *buf, uint32_t num);
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extern uint32_t SWO_GetCount_Manchester (void);
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extern uint32_t UART_Transport (const uint8_t *request, uint8_t *response);
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extern uint32_t UART_Configure (const uint8_t *request, uint8_t *response);
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extern uint32_t UART_Control (const uint8_t *request, uint8_t *response);
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extern uint32_t UART_Status (uint8_t *response);
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extern uint32_t UART_Transfer (const uint8_t *request, uint8_t *response);
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extern uint8_t USB_COM_PORT_Activate (uint32_t cmd);
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extern uint32_t DAP_ProcessVendorCommand (const uint8_t *request, uint8_t *response);
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extern uint32_t DAP_ProcessCommand (const uint8_t *request, uint8_t *response);
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extern uint32_t DAP_ExecuteCommand (const uint8_t *request, uint8_t *response);
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extern void DAP_Setup (void);
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// Configurable delay for clock generation
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#ifndef DELAY_SLOW_CYCLES
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#define DELAY_SLOW_CYCLES 3U // Number of cycles for one iteration
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#endif
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#if defined(__CC_ARM)
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__STATIC_FORCEINLINE void PIN_DELAY_SLOW (uint32_t delay) {
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uint32_t count = delay;
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while (--count);
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}
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#else
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__STATIC_FORCEINLINE void PIN_DELAY_SLOW (uint32_t delay) {
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__ASM volatile (
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".syntax unified\n"
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"0:\n\t"
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"subs %0,%0,#1\n\t"
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"bne 0b\n"
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: "+l" (delay) : : "cc"
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);
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}
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#endif
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// Fixed delay for fast clock generation
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#ifndef DELAY_FAST_CYCLES
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#define DELAY_FAST_CYCLES 0U // Number of cycles: 0..3
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#endif
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__STATIC_FORCEINLINE void PIN_DELAY_FAST (void) {
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#if (DELAY_FAST_CYCLES >= 1U)
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__NOP();
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#endif
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#if (DELAY_FAST_CYCLES >= 2U)
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__NOP();
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#endif
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#if (DELAY_FAST_CYCLES >= 3U)
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__NOP();
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#endif
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}
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#ifdef __cplusplus
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}
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#endif
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#endif /* __DAP_H__ */
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