Repostiory containing DAPLink source code with Reset Pin workaround for HANI_IOT board.

Upstream: https://github.com/ARMmbed/DAPLink

Committer:
Pawel Zarembski
Date:
Tue Apr 07 12:55:42 2020 +0200
Revision:
0:01f31e923fe2
hani: DAPLink with reset workaround

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Pawel Zarembski 0:01f31e923fe2 1 /**
Pawel Zarembski 0:01f31e923fe2 2 * @file DAP_config.c
Pawel Zarembski 0:01f31e923fe2 3 * @brief
Pawel Zarembski 0:01f31e923fe2 4 *
Pawel Zarembski 0:01f31e923fe2 5 * DAPLink Interface Firmware
Pawel Zarembski 0:01f31e923fe2 6 * Copyright (c) 2009-2016, ARM Limited, All Rights Reserved
Pawel Zarembski 0:01f31e923fe2 7 * SPDX-License-Identifier: Apache-2.0
Pawel Zarembski 0:01f31e923fe2 8 *
Pawel Zarembski 0:01f31e923fe2 9 * Licensed under the Apache License, Version 2.0 (the "License"); you may
Pawel Zarembski 0:01f31e923fe2 10 * not use this file except in compliance with the License.
Pawel Zarembski 0:01f31e923fe2 11 * You may obtain a copy of the License at
Pawel Zarembski 0:01f31e923fe2 12 *
Pawel Zarembski 0:01f31e923fe2 13 * http://www.apache.org/licenses/LICENSE-2.0
Pawel Zarembski 0:01f31e923fe2 14 *
Pawel Zarembski 0:01f31e923fe2 15 * Unless required by applicable law or agreed to in writing, software
Pawel Zarembski 0:01f31e923fe2 16 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
Pawel Zarembski 0:01f31e923fe2 17 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
Pawel Zarembski 0:01f31e923fe2 18 * See the License for the specific language governing permissions and
Pawel Zarembski 0:01f31e923fe2 19 * limitations under the License.
Pawel Zarembski 0:01f31e923fe2 20 */
Pawel Zarembski 0:01f31e923fe2 21
Pawel Zarembski 0:01f31e923fe2 22 #ifndef __DAP_CONFIG_H__
Pawel Zarembski 0:01f31e923fe2 23 #define __DAP_CONFIG_H__
Pawel Zarembski 0:01f31e923fe2 24
Pawel Zarembski 0:01f31e923fe2 25
Pawel Zarembski 0:01f31e923fe2 26 //**************************************************************************************************
Pawel Zarembski 0:01f31e923fe2 27 /**
Pawel Zarembski 0:01f31e923fe2 28 \defgroup DAP_Config_Debug_gr CMSIS-DAP Debug Unit Information
Pawel Zarembski 0:01f31e923fe2 29 \ingroup DAP_ConfigIO_gr
Pawel Zarembski 0:01f31e923fe2 30 @{
Pawel Zarembski 0:01f31e923fe2 31 Provides definitions about:
Pawel Zarembski 0:01f31e923fe2 32 - Definition of Cortex-M processor parameters used in CMSIS-DAP Debug Unit.
Pawel Zarembski 0:01f31e923fe2 33 - Debug Unit communication packet size.
Pawel Zarembski 0:01f31e923fe2 34 - Debug Access Port communication mode (JTAG or SWD).
Pawel Zarembski 0:01f31e923fe2 35 - Optional information about a connected Target Device (for Evaluation Boards).
Pawel Zarembski 0:01f31e923fe2 36 */
Pawel Zarembski 0:01f31e923fe2 37
Pawel Zarembski 0:01f31e923fe2 38 #include "LPC43xx.h" // Debug Unit Cortex-M Processor Header File
Pawel Zarembski 0:01f31e923fe2 39 #include "lpc43xx_scu.h"
Pawel Zarembski 0:01f31e923fe2 40
Pawel Zarembski 0:01f31e923fe2 41 typedef unsigned int BOOL;
Pawel Zarembski 0:01f31e923fe2 42
Pawel Zarembski 0:01f31e923fe2 43 #ifndef __TRUE
Pawel Zarembski 0:01f31e923fe2 44 #define __TRUE 1
Pawel Zarembski 0:01f31e923fe2 45 #endif
Pawel Zarembski 0:01f31e923fe2 46 #ifndef __FALSE
Pawel Zarembski 0:01f31e923fe2 47 #define __FALSE 0
Pawel Zarembski 0:01f31e923fe2 48 #endif
Pawel Zarembski 0:01f31e923fe2 49
Pawel Zarembski 0:01f31e923fe2 50 /// Processor Clock of the Cortex-M MCU used in the Debug Unit.
Pawel Zarembski 0:01f31e923fe2 51 /// This value is used to calculate the SWD/JTAG clock speed.
Pawel Zarembski 0:01f31e923fe2 52 #define CPU_CLOCK SystemCoreClock ///< Specifies the CPU Clock in Hz
Pawel Zarembski 0:01f31e923fe2 53
Pawel Zarembski 0:01f31e923fe2 54 /// Number of processor cycles for I/O Port write operations.
Pawel Zarembski 0:01f31e923fe2 55 /// This value is used to calculate the SWD/JTAG clock speed that is generated with I/O
Pawel Zarembski 0:01f31e923fe2 56 /// Port write operations in the Debug Unit by a Cortex-M MCU. Most Cortex-M processors
Pawel Zarembski 0:01f31e923fe2 57 /// requrie 2 processor cycles for a I/O Port Write operation. If the Debug Unit uses
Pawel Zarembski 0:01f31e923fe2 58 /// a Cortex-M0+ processor with high-speed peripheral I/O only 1 processor cycle might be
Pawel Zarembski 0:01f31e923fe2 59 /// required.
Pawel Zarembski 0:01f31e923fe2 60 #define IO_PORT_WRITE_CYCLES 2 ///< I/O Cycles: 2=default, 1=Cortex-M0+ fast I/0
Pawel Zarembski 0:01f31e923fe2 61
Pawel Zarembski 0:01f31e923fe2 62 /// Indicate that Serial Wire Debug (SWD) communication mode is available at the Debug Access Port.
Pawel Zarembski 0:01f31e923fe2 63 /// This information is returned by the command \ref DAP_Info as part of <b>Capabilities</b>.
Pawel Zarembski 0:01f31e923fe2 64 #define DAP_SWD 1 ///< SWD Mode: 1 = available, 0 = not available
Pawel Zarembski 0:01f31e923fe2 65
Pawel Zarembski 0:01f31e923fe2 66 /// Indicate that JTAG communication mode is available at the Debug Port.
Pawel Zarembski 0:01f31e923fe2 67 /// This information is returned by the command \ref DAP_Info as part of <b>Capabilities</b>.
Pawel Zarembski 0:01f31e923fe2 68 #define DAP_JTAG 0 ///< JTAG Mode: 1 = available, 0 = not available.
Pawel Zarembski 0:01f31e923fe2 69
Pawel Zarembski 0:01f31e923fe2 70 /// Configure maximum number of JTAG devices on the scan chain connected to the Debug Access Port.
Pawel Zarembski 0:01f31e923fe2 71 /// This setting impacts the RAM requirements of the Debug Unit. Valid range is 1 .. 255.
Pawel Zarembski 0:01f31e923fe2 72 #define DAP_JTAG_DEV_CNT 0 ///< Maximum number of JTAG devices on scan chain
Pawel Zarembski 0:01f31e923fe2 73
Pawel Zarembski 0:01f31e923fe2 74 /// Default communication mode on the Debug Access Port.
Pawel Zarembski 0:01f31e923fe2 75 /// Used for the command \ref DAP_Connect when Port Default mode is selected.
Pawel Zarembski 0:01f31e923fe2 76 #define DAP_DEFAULT_PORT 1 ///< Default JTAG/SWJ Port Mode: 1 = SWD, 2 = JTAG.
Pawel Zarembski 0:01f31e923fe2 77
Pawel Zarembski 0:01f31e923fe2 78 /// Default communication speed on the Debug Access Port for SWD and JTAG mode.
Pawel Zarembski 0:01f31e923fe2 79 /// Used to initialize the default SWD/JTAG clock frequency.
Pawel Zarembski 0:01f31e923fe2 80 /// The command \ref DAP_SWJ_Clock can be used to overwrite this default setting.
Pawel Zarembski 0:01f31e923fe2 81 #define DAP_DEFAULT_SWJ_CLOCK 5000000 ///< Default SWD/JTAG clock frequency in Hz.
Pawel Zarembski 0:01f31e923fe2 82
Pawel Zarembski 0:01f31e923fe2 83 /// Maximum Package Size for Command and Response data.
Pawel Zarembski 0:01f31e923fe2 84 /// This configuration settings is used to optimized the communication performance with the
Pawel Zarembski 0:01f31e923fe2 85 /// debugger and depends on the USB peripheral. Change setting to 1024 for High-Speed USB.
Pawel Zarembski 0:01f31e923fe2 86 #define DAP_PACKET_SIZE 64 ///< USB: 64 = Full-Speed, 1024 = High-Speed.
Pawel Zarembski 0:01f31e923fe2 87
Pawel Zarembski 0:01f31e923fe2 88 /// Maximum Package Buffers for Command and Response data.
Pawel Zarembski 0:01f31e923fe2 89 /// This configuration settings is used to optimized the communication performance with the
Pawel Zarembski 0:01f31e923fe2 90 /// debugger and depends on the USB peripheral. For devices with limited RAM or USB buffer the
Pawel Zarembski 0:01f31e923fe2 91 /// setting can be reduced (valid range is 1 .. 255). Change setting to 4 for High-Speed USB.
Pawel Zarembski 0:01f31e923fe2 92 #define DAP_PACKET_COUNT 1 ///< Buffers: 64 = Full-Speed, 4 = High-Speed.
Pawel Zarembski 0:01f31e923fe2 93
Pawel Zarembski 0:01f31e923fe2 94 /// Indicate that UART Serial Wire Output (SWO) trace is available.
Pawel Zarembski 0:01f31e923fe2 95 /// This information is returned by the command \ref DAP_Info as part of <b>Capabilities</b>.
Pawel Zarembski 0:01f31e923fe2 96 #define SWO_UART 0 ///< SWO UART: 1 = available, 0 = not available
Pawel Zarembski 0:01f31e923fe2 97
Pawel Zarembski 0:01f31e923fe2 98 /// Maximum SWO UART Baudrate
Pawel Zarembski 0:01f31e923fe2 99 #define SWO_UART_MAX_BAUDRATE 10000000U ///< SWO UART Maximum Baudrate in Hz
Pawel Zarembski 0:01f31e923fe2 100
Pawel Zarembski 0:01f31e923fe2 101 /// Indicate that Manchester Serial Wire Output (SWO) trace is available.
Pawel Zarembski 0:01f31e923fe2 102 /// This information is returned by the command \ref DAP_Info as part of <b>Capabilities</b>.
Pawel Zarembski 0:01f31e923fe2 103 #define SWO_MANCHESTER 0 ///< SWO Manchester: 1 = available, 0 = not available
Pawel Zarembski 0:01f31e923fe2 104
Pawel Zarembski 0:01f31e923fe2 105 /// SWO Trace Buffer Size.
Pawel Zarembski 0:01f31e923fe2 106 #define SWO_BUFFER_SIZE 4096U ///< SWO Trace Buffer Size in bytes (must be 2^n)
Pawel Zarembski 0:01f31e923fe2 107
Pawel Zarembski 0:01f31e923fe2 108 /// SWO Streaming Trace.
Pawel Zarembski 0:01f31e923fe2 109 #define SWO_STREAM 0 ///< SWO Streaming Trace: 1 = available, 0 = not available.
Pawel Zarembski 0:01f31e923fe2 110
Pawel Zarembski 0:01f31e923fe2 111 /// Clock frequency of the Test Domain Timer. Timer value is returned with \ref TIMESTAMP_GET.
Pawel Zarembski 0:01f31e923fe2 112 #define TIMESTAMP_CLOCK 1000000U ///< Timestamp clock in Hz (0 = timestamps not supported).
Pawel Zarembski 0:01f31e923fe2 113
Pawel Zarembski 0:01f31e923fe2 114
Pawel Zarembski 0:01f31e923fe2 115 /// Debug Unit is connected to fixed Target Device.
Pawel Zarembski 0:01f31e923fe2 116 /// The Debug Unit may be part of an evaluation board and always connected to a fixed
Pawel Zarembski 0:01f31e923fe2 117 /// known device. In this case a Device Vendor and Device Name string is stored which
Pawel Zarembski 0:01f31e923fe2 118 /// may be used by the debugger or IDE to configure device parameters.
Pawel Zarembski 0:01f31e923fe2 119 #define TARGET_DEVICE_FIXED 0 ///< Target Device: 1 = known, 0 = unknown;
Pawel Zarembski 0:01f31e923fe2 120
Pawel Zarembski 0:01f31e923fe2 121 #if TARGET_DEVICE_FIXED
Pawel Zarembski 0:01f31e923fe2 122 #define TARGET_DEVICE_VENDOR "" ///< String indicating the Silicon Vendor
Pawel Zarembski 0:01f31e923fe2 123 #define TARGET_DEVICE_NAME "" ///< String indicating the Target Device
Pawel Zarembski 0:01f31e923fe2 124 #endif
Pawel Zarembski 0:01f31e923fe2 125
Pawel Zarembski 0:01f31e923fe2 126 ///@}
Pawel Zarembski 0:01f31e923fe2 127
Pawel Zarembski 0:01f31e923fe2 128
Pawel Zarembski 0:01f31e923fe2 129 // LPC43xx peripheral register bit masks (used by macros)
Pawel Zarembski 0:01f31e923fe2 130 #define CCU_CLK_CFG_RUN (1UL << 0)
Pawel Zarembski 0:01f31e923fe2 131 #define CCU_CLK_CFG_AUTO (1UL << 1)
Pawel Zarembski 0:01f31e923fe2 132 #define CCU_CLK_STAT_RUN (1UL << 0)
Pawel Zarembski 0:01f31e923fe2 133
Pawel Zarembski 0:01f31e923fe2 134 // State of Reset Ouput Enable buffer
Pawel Zarembski 0:01f31e923fe2 135 extern BOOL gpio_reset_pin_is_input;
Pawel Zarembski 0:01f31e923fe2 136
Pawel Zarembski 0:01f31e923fe2 137 // Debug Port I/O Pins
Pawel Zarembski 0:01f31e923fe2 138
Pawel Zarembski 0:01f31e923fe2 139 // SWCLK Pin P1_17: GPIO0[12]
Pawel Zarembski 0:01f31e923fe2 140 #define PORT_SWCLK 0
Pawel Zarembski 0:01f31e923fe2 141 #define PIN_SWCLK_IN_BIT 12
Pawel Zarembski 0:01f31e923fe2 142 #define PIN_SWCLK (1<<PIN_SWCLK_IN_BIT)
Pawel Zarembski 0:01f31e923fe2 143
Pawel Zarembski 0:01f31e923fe2 144 // SWDIO Pin P1_6: GPIO1[9]
Pawel Zarembski 0:01f31e923fe2 145 #define PORT_SWDIO 1
Pawel Zarembski 0:01f31e923fe2 146 #define PIN_SWDIO_IN_BIT 9
Pawel Zarembski 0:01f31e923fe2 147 #define PIN_SWDIO (1<<PIN_SWDIO_IN_BIT)
Pawel Zarembski 0:01f31e923fe2 148
Pawel Zarembski 0:01f31e923fe2 149 // SWDIO Output Enable Pin P1_5: GPIO1[8]
Pawel Zarembski 0:01f31e923fe2 150 #define PORT_SWDIO_TXE 1
Pawel Zarembski 0:01f31e923fe2 151 #define PIN_SWDIO_TXE_IN_BIT 8
Pawel Zarembski 0:01f31e923fe2 152 #define PIN_SWDIO_TXE (1<<PIN_SWDIO_TXE_IN_BIT)
Pawel Zarembski 0:01f31e923fe2 153
Pawel Zarembski 0:01f31e923fe2 154 // nRESET Pin P2_5: GPIO5[5] note: HANI_IOT workaround: changing to GPIO0[7]
Pawel Zarembski 0:01f31e923fe2 155 #define PORT_nRESET 0
Pawel Zarembski 0:01f31e923fe2 156 #define PIN_nRESET_IN_BIT 7
Pawel Zarembski 0:01f31e923fe2 157 #define PIN_nRESET (1<<PIN_nRESET_IN_BIT)
Pawel Zarembski 0:01f31e923fe2 158
Pawel Zarembski 0:01f31e923fe2 159 // nRESET Output Enable Pin P2_6: GPIO5[6]
Pawel Zarembski 0:01f31e923fe2 160 #define PORT_RESET_TXE 5
Pawel Zarembski 0:01f31e923fe2 161 #define PIN_RESET_TXE_IN_BIT 6
Pawel Zarembski 0:01f31e923fe2 162 #define PIN_RESET_TXE (1<<PIN_RESET_TXE_IN_BIT)
Pawel Zarembski 0:01f31e923fe2 163
Pawel Zarembski 0:01f31e923fe2 164 // ISP Control Pin P2_11: GPIO1[11]
Pawel Zarembski 0:01f31e923fe2 165 #define ISPCTRL_PORT 1
Pawel Zarembski 0:01f31e923fe2 166 #define ISPCTRL_BIT 11
Pawel Zarembski 0:01f31e923fe2 167
Pawel Zarembski 0:01f31e923fe2 168 #define X_SET(str) LPC_GPIO_PORT->SET[PORT_##str] = PIN_##str
Pawel Zarembski 0:01f31e923fe2 169 #define X_CLR(str) LPC_GPIO_PORT->CLR[PORT_##str] = PIN_##str
Pawel Zarembski 0:01f31e923fe2 170 #define X_DIR_OUT(str) LPC_GPIO_PORT->DIR[PORT_##str] |= (PIN_##str)
Pawel Zarembski 0:01f31e923fe2 171 #define X_DIR_IN(str) LPC_GPIO_PORT->DIR[PORT_##str] &= ~(PIN_##str)
Pawel Zarembski 0:01f31e923fe2 172 #define X_BYTE(str) LPC_GPIO_PORT->B[(PORT_##str << 5) + PIN_##str##_IN_BIT]
Pawel Zarembski 0:01f31e923fe2 173
Pawel Zarembski 0:01f31e923fe2 174
Pawel Zarembski 0:01f31e923fe2 175 //**************************************************************************************************
Pawel Zarembski 0:01f31e923fe2 176 /**
Pawel Zarembski 0:01f31e923fe2 177 \defgroup DAP_Config_PortIO_gr CMSIS-DAP Hardware I/O Pin Access
Pawel Zarembski 0:01f31e923fe2 178 \ingroup DAP_ConfigIO_gr
Pawel Zarembski 0:01f31e923fe2 179 @{
Pawel Zarembski 0:01f31e923fe2 180
Pawel Zarembski 0:01f31e923fe2 181 Standard I/O Pins of the CMSIS-DAP Hardware Debug Port support standard JTAG mode
Pawel Zarembski 0:01f31e923fe2 182 and Serial Wire Debug (SWD) mode. In SWD mode only 2 pins are required to implement the debug
Pawel Zarembski 0:01f31e923fe2 183 interface of a device. The following I/O Pins are provided:
Pawel Zarembski 0:01f31e923fe2 184
Pawel Zarembski 0:01f31e923fe2 185 JTAG I/O Pin | SWD I/O Pin | CMSIS-DAP Hardware pin mode
Pawel Zarembski 0:01f31e923fe2 186 ---------------------------- | -------------------- | ---------------------------------------------
Pawel Zarembski 0:01f31e923fe2 187 TCK: Test Clock | SWCLK: Clock | Output Push/Pull
Pawel Zarembski 0:01f31e923fe2 188 TMS: Test Mode Select | SWDIO: Data I/O | Output Push/Pull; Input (for receiving data)
Pawel Zarembski 0:01f31e923fe2 189 TDI: Test Data Input | | Output Push/Pull
Pawel Zarembski 0:01f31e923fe2 190 TDO: Test Data Output | | Input
Pawel Zarembski 0:01f31e923fe2 191 nTRST: Test Reset (optional) | | Output Open Drain with pull-up resistor
Pawel Zarembski 0:01f31e923fe2 192 nRESET: Device Reset | nRESET: Device Reset | Output Open Drain with pull-up resistor
Pawel Zarembski 0:01f31e923fe2 193
Pawel Zarembski 0:01f31e923fe2 194
Pawel Zarembski 0:01f31e923fe2 195 DAP Hardware I/O Pin Access Functions
Pawel Zarembski 0:01f31e923fe2 196 -------------------------------------
Pawel Zarembski 0:01f31e923fe2 197 The various I/O Pins are accessed by functions that implement the Read, Write, Set, or Clear to
Pawel Zarembski 0:01f31e923fe2 198 these I/O Pins.
Pawel Zarembski 0:01f31e923fe2 199
Pawel Zarembski 0:01f31e923fe2 200 For the SWDIO I/O Pin there are additional functions that are called in SWD I/O mode only.
Pawel Zarembski 0:01f31e923fe2 201 This functions are provided to achieve faster I/O that is possible with some advanced GPIO
Pawel Zarembski 0:01f31e923fe2 202 peripherals that can independently write/read a single I/O pin without affecting any other pins
Pawel Zarembski 0:01f31e923fe2 203 of the same I/O port. The following SWDIO I/O Pin functions are provided:
Pawel Zarembski 0:01f31e923fe2 204 - \ref PIN_SWDIO_OUT_ENABLE to enable the output mode from the DAP hardware.
Pawel Zarembski 0:01f31e923fe2 205 - \ref PIN_SWDIO_OUT_DISABLE to enable the input mode to the DAP hardware.
Pawel Zarembski 0:01f31e923fe2 206 - \ref PIN_SWDIO_IN to read from the SWDIO I/O pin with utmost possible speed.
Pawel Zarembski 0:01f31e923fe2 207 - \ref PIN_SWDIO_OUT to write to the SWDIO I/O pin with utmost possible speed.
Pawel Zarembski 0:01f31e923fe2 208 */
Pawel Zarembski 0:01f31e923fe2 209
Pawel Zarembski 0:01f31e923fe2 210
Pawel Zarembski 0:01f31e923fe2 211 // Configure DAP I/O pins ------------------------------
Pawel Zarembski 0:01f31e923fe2 212
Pawel Zarembski 0:01f31e923fe2 213 /** Setup JTAG I/O pins: TCK, TMS, TDI, TDO, nTRST, and nRESET.
Pawel Zarembski 0:01f31e923fe2 214 Configures the DAP Hardware I/O pins for JTAG mode:
Pawel Zarembski 0:01f31e923fe2 215 - TCK, TMS, TDI, nTRST, nRESET to output mode and set to high level.
Pawel Zarembski 0:01f31e923fe2 216 - TDO to input mode.
Pawel Zarembski 0:01f31e923fe2 217 */
Pawel Zarembski 0:01f31e923fe2 218 __STATIC_INLINE void PORT_JTAG_SETUP(void) {}
Pawel Zarembski 0:01f31e923fe2 219
Pawel Zarembski 0:01f31e923fe2 220 /** Setup SWD I/O pins: SWCLK, SWDIO, and nRESET.
Pawel Zarembski 0:01f31e923fe2 221 Configures the DAP Hardware I/O pins for Serial Wire Debug (SWD) mode:
Pawel Zarembski 0:01f31e923fe2 222 - SWCLK, SWDIO, nRESET to output mode and set to default high level.
Pawel Zarembski 0:01f31e923fe2 223 - TDI, TMS, nTRST to HighZ mode (pins are unused in SWD mode).
Pawel Zarembski 0:01f31e923fe2 224 */
Pawel Zarembski 0:01f31e923fe2 225 __STATIC_INLINE void PORT_SWD_SETUP(void)
Pawel Zarembski 0:01f31e923fe2 226 {
Pawel Zarembski 0:01f31e923fe2 227 X_SET(SWCLK);
Pawel Zarembski 0:01f31e923fe2 228 X_SET(SWDIO);
Pawel Zarembski 0:01f31e923fe2 229 X_DIR_OUT(SWCLK);
Pawel Zarembski 0:01f31e923fe2 230 X_DIR_OUT(SWDIO);
Pawel Zarembski 0:01f31e923fe2 231 X_SET(SWDIO_TXE);
Pawel Zarembski 0:01f31e923fe2 232 X_DIR_OUT(SWDIO_TXE);
Pawel Zarembski 0:01f31e923fe2 233 }
Pawel Zarembski 0:01f31e923fe2 234
Pawel Zarembski 0:01f31e923fe2 235
Pawel Zarembski 0:01f31e923fe2 236 /** Disable JTAG/SWD I/O Pins.
Pawel Zarembski 0:01f31e923fe2 237 Disables the DAP Hardware I/O pins which configures:
Pawel Zarembski 0:01f31e923fe2 238 - TCK/SWCLK, TMS/SWDIO, TDI, TDO, nTRST, nRESET to High-Z mode.
Pawel Zarembski 0:01f31e923fe2 239 */
Pawel Zarembski 0:01f31e923fe2 240 __STATIC_INLINE void PORT_OFF(void)
Pawel Zarembski 0:01f31e923fe2 241 {
Pawel Zarembski 0:01f31e923fe2 242 X_CLR(SWCLK);
Pawel Zarembski 0:01f31e923fe2 243 X_CLR(SWDIO);
Pawel Zarembski 0:01f31e923fe2 244 X_DIR_OUT(SWCLK);
Pawel Zarembski 0:01f31e923fe2 245 X_DIR_OUT(SWDIO);
Pawel Zarembski 0:01f31e923fe2 246 X_SET(SWDIO_TXE);
Pawel Zarembski 0:01f31e923fe2 247 X_DIR_OUT(SWDIO_TXE);
Pawel Zarembski 0:01f31e923fe2 248 }
Pawel Zarembski 0:01f31e923fe2 249
Pawel Zarembski 0:01f31e923fe2 250
Pawel Zarembski 0:01f31e923fe2 251 // SWCLK/TCK I/O pin -------------------------------------
Pawel Zarembski 0:01f31e923fe2 252
Pawel Zarembski 0:01f31e923fe2 253 /** SWCLK/TCK I/O pin: Get Input.
Pawel Zarembski 0:01f31e923fe2 254 \return Current status of the SWCLK/TCK DAP hardware I/O pin.
Pawel Zarembski 0:01f31e923fe2 255 */
Pawel Zarembski 0:01f31e923fe2 256 __STATIC_FORCEINLINE uint32_t PIN_SWCLK_TCK_IN(void)
Pawel Zarembski 0:01f31e923fe2 257 {
Pawel Zarembski 0:01f31e923fe2 258 return (0); // Not available
Pawel Zarembski 0:01f31e923fe2 259 }
Pawel Zarembski 0:01f31e923fe2 260
Pawel Zarembski 0:01f31e923fe2 261 /** SWCLK/TCK I/O pin: Set Output to High.
Pawel Zarembski 0:01f31e923fe2 262 Set the SWCLK/TCK DAP hardware I/O pin to high level.
Pawel Zarembski 0:01f31e923fe2 263 */
Pawel Zarembski 0:01f31e923fe2 264 __STATIC_FORCEINLINE void PIN_SWCLK_TCK_SET(void)
Pawel Zarembski 0:01f31e923fe2 265 {
Pawel Zarembski 0:01f31e923fe2 266 X_SET(SWCLK);
Pawel Zarembski 0:01f31e923fe2 267 }
Pawel Zarembski 0:01f31e923fe2 268
Pawel Zarembski 0:01f31e923fe2 269 /** SWCLK/TCK I/O pin: Set Output to Low.
Pawel Zarembski 0:01f31e923fe2 270 Set the SWCLK/TCK DAP hardware I/O pin to low level.
Pawel Zarembski 0:01f31e923fe2 271 */
Pawel Zarembski 0:01f31e923fe2 272 __STATIC_FORCEINLINE void PIN_SWCLK_TCK_CLR(void)
Pawel Zarembski 0:01f31e923fe2 273 {
Pawel Zarembski 0:01f31e923fe2 274 X_CLR(SWCLK);
Pawel Zarembski 0:01f31e923fe2 275 }
Pawel Zarembski 0:01f31e923fe2 276
Pawel Zarembski 0:01f31e923fe2 277
Pawel Zarembski 0:01f31e923fe2 278 // SWDIO/TMS Pin I/O --------------------------------------
Pawel Zarembski 0:01f31e923fe2 279
Pawel Zarembski 0:01f31e923fe2 280 /** SWDIO/TMS I/O pin: Get Input.
Pawel Zarembski 0:01f31e923fe2 281 \return Current status of the SWDIO/TMS DAP hardware I/O pin.
Pawel Zarembski 0:01f31e923fe2 282 */
Pawel Zarembski 0:01f31e923fe2 283 __STATIC_FORCEINLINE uint32_t PIN_SWDIO_TMS_IN(void)
Pawel Zarembski 0:01f31e923fe2 284 {
Pawel Zarembski 0:01f31e923fe2 285 return X_BYTE(SWDIO) & 0x1;
Pawel Zarembski 0:01f31e923fe2 286 }
Pawel Zarembski 0:01f31e923fe2 287
Pawel Zarembski 0:01f31e923fe2 288 /** SWDIO/TMS I/O pin: Set Output to High.
Pawel Zarembski 0:01f31e923fe2 289 Set the SWDIO/TMS DAP hardware I/O pin to high level.
Pawel Zarembski 0:01f31e923fe2 290 */
Pawel Zarembski 0:01f31e923fe2 291 __STATIC_FORCEINLINE void PIN_SWDIO_TMS_SET(void)
Pawel Zarembski 0:01f31e923fe2 292 {
Pawel Zarembski 0:01f31e923fe2 293 X_SET(SWDIO);
Pawel Zarembski 0:01f31e923fe2 294 }
Pawel Zarembski 0:01f31e923fe2 295
Pawel Zarembski 0:01f31e923fe2 296 /** SWDIO/TMS I/O pin: Set Output to Low.
Pawel Zarembski 0:01f31e923fe2 297 Set the SWDIO/TMS DAP hardware I/O pin to low level.
Pawel Zarembski 0:01f31e923fe2 298 */
Pawel Zarembski 0:01f31e923fe2 299 __STATIC_FORCEINLINE void PIN_SWDIO_TMS_CLR(void)
Pawel Zarembski 0:01f31e923fe2 300 {
Pawel Zarembski 0:01f31e923fe2 301 X_CLR(SWDIO);
Pawel Zarembski 0:01f31e923fe2 302 }
Pawel Zarembski 0:01f31e923fe2 303
Pawel Zarembski 0:01f31e923fe2 304 /** SWDIO I/O pin: Get Input (used in SWD mode only).
Pawel Zarembski 0:01f31e923fe2 305 \return Current status of the SWDIO DAP hardware I/O pin.
Pawel Zarembski 0:01f31e923fe2 306 */
Pawel Zarembski 0:01f31e923fe2 307 __STATIC_FORCEINLINE uint32_t PIN_SWDIO_IN(void)
Pawel Zarembski 0:01f31e923fe2 308 {
Pawel Zarembski 0:01f31e923fe2 309 return X_BYTE(SWDIO) & 0x1;
Pawel Zarembski 0:01f31e923fe2 310 }
Pawel Zarembski 0:01f31e923fe2 311
Pawel Zarembski 0:01f31e923fe2 312 /** SWDIO I/O pin: Set Output (used in SWD mode only).
Pawel Zarembski 0:01f31e923fe2 313 \param bit Output value for the SWDIO DAP hardware I/O pin.
Pawel Zarembski 0:01f31e923fe2 314 */
Pawel Zarembski 0:01f31e923fe2 315 __STATIC_FORCEINLINE void PIN_SWDIO_OUT(uint32_t bit)
Pawel Zarembski 0:01f31e923fe2 316 {
Pawel Zarembski 0:01f31e923fe2 317 if (bit & 0x1) {
Pawel Zarembski 0:01f31e923fe2 318 X_SET(SWDIO);
Pawel Zarembski 0:01f31e923fe2 319 } else {
Pawel Zarembski 0:01f31e923fe2 320 X_CLR(SWDIO);
Pawel Zarembski 0:01f31e923fe2 321 }
Pawel Zarembski 0:01f31e923fe2 322 }
Pawel Zarembski 0:01f31e923fe2 323
Pawel Zarembski 0:01f31e923fe2 324 /** SWDIO I/O pin: Switch to Output mode (used in SWD mode only).
Pawel Zarembski 0:01f31e923fe2 325 Configure the SWDIO DAP hardware I/O pin to output mode. This function is
Pawel Zarembski 0:01f31e923fe2 326 called prior \ref PIN_SWDIO_OUT function calls.
Pawel Zarembski 0:01f31e923fe2 327 */
Pawel Zarembski 0:01f31e923fe2 328 __STATIC_FORCEINLINE void PIN_SWDIO_OUT_ENABLE(void)
Pawel Zarembski 0:01f31e923fe2 329 {
Pawel Zarembski 0:01f31e923fe2 330 X_SET(SWDIO_TXE);
Pawel Zarembski 0:01f31e923fe2 331 X_DIR_OUT(SWDIO);
Pawel Zarembski 0:01f31e923fe2 332 }
Pawel Zarembski 0:01f31e923fe2 333
Pawel Zarembski 0:01f31e923fe2 334 /** SWDIO I/O pin: Switch to Input mode (used in SWD mode only).
Pawel Zarembski 0:01f31e923fe2 335 Configure the SWDIO DAP hardware I/O pin to input mode. This function is
Pawel Zarembski 0:01f31e923fe2 336 called prior \ref PIN_SWDIO_IN function calls.
Pawel Zarembski 0:01f31e923fe2 337 */
Pawel Zarembski 0:01f31e923fe2 338 __STATIC_FORCEINLINE void PIN_SWDIO_OUT_DISABLE(void)
Pawel Zarembski 0:01f31e923fe2 339 {
Pawel Zarembski 0:01f31e923fe2 340 X_DIR_IN(SWDIO);
Pawel Zarembski 0:01f31e923fe2 341 X_CLR(SWDIO_TXE);
Pawel Zarembski 0:01f31e923fe2 342 }
Pawel Zarembski 0:01f31e923fe2 343
Pawel Zarembski 0:01f31e923fe2 344
Pawel Zarembski 0:01f31e923fe2 345 // TDI Pin I/O ---------------------------------------------
Pawel Zarembski 0:01f31e923fe2 346
Pawel Zarembski 0:01f31e923fe2 347 /** TDI I/O pin: Get Input.
Pawel Zarembski 0:01f31e923fe2 348 \return Current status of the TDI DAP hardware I/O pin.
Pawel Zarembski 0:01f31e923fe2 349 */
Pawel Zarembski 0:01f31e923fe2 350 __STATIC_FORCEINLINE uint32_t PIN_TDI_IN(void)
Pawel Zarembski 0:01f31e923fe2 351 {
Pawel Zarembski 0:01f31e923fe2 352 return (0); // Not available
Pawel Zarembski 0:01f31e923fe2 353 }
Pawel Zarembski 0:01f31e923fe2 354
Pawel Zarembski 0:01f31e923fe2 355 /** TDI I/O pin: Set Output.
Pawel Zarembski 0:01f31e923fe2 356 \param bit Output value for the TDI DAP hardware I/O pin.
Pawel Zarembski 0:01f31e923fe2 357 */
Pawel Zarembski 0:01f31e923fe2 358 __STATIC_FORCEINLINE void PIN_TDI_OUT(uint32_t bit)
Pawel Zarembski 0:01f31e923fe2 359 {
Pawel Zarembski 0:01f31e923fe2 360 ; // Not available
Pawel Zarembski 0:01f31e923fe2 361 }
Pawel Zarembski 0:01f31e923fe2 362
Pawel Zarembski 0:01f31e923fe2 363
Pawel Zarembski 0:01f31e923fe2 364 // TDO Pin I/O ---------------------------------------------
Pawel Zarembski 0:01f31e923fe2 365
Pawel Zarembski 0:01f31e923fe2 366 /** TDO I/O pin: Get Input.
Pawel Zarembski 0:01f31e923fe2 367 \return Current status of the TDO DAP hardware I/O pin.
Pawel Zarembski 0:01f31e923fe2 368 */
Pawel Zarembski 0:01f31e923fe2 369 __STATIC_FORCEINLINE uint32_t PIN_TDO_IN(void)
Pawel Zarembski 0:01f31e923fe2 370 {
Pawel Zarembski 0:01f31e923fe2 371 return (0); // Not available
Pawel Zarembski 0:01f31e923fe2 372 }
Pawel Zarembski 0:01f31e923fe2 373
Pawel Zarembski 0:01f31e923fe2 374
Pawel Zarembski 0:01f31e923fe2 375 // nTRST Pin I/O -------------------------------------------
Pawel Zarembski 0:01f31e923fe2 376
Pawel Zarembski 0:01f31e923fe2 377 /** nTRST I/O pin: Get Input.
Pawel Zarembski 0:01f31e923fe2 378 \return Current status of the nTRST DAP hardware I/O pin.
Pawel Zarembski 0:01f31e923fe2 379 */
Pawel Zarembski 0:01f31e923fe2 380 __STATIC_FORCEINLINE uint32_t PIN_nTRST_IN(void)
Pawel Zarembski 0:01f31e923fe2 381 {
Pawel Zarembski 0:01f31e923fe2 382 return (0); // Not available
Pawel Zarembski 0:01f31e923fe2 383 }
Pawel Zarembski 0:01f31e923fe2 384
Pawel Zarembski 0:01f31e923fe2 385 /** nTRST I/O pin: Set Output.
Pawel Zarembski 0:01f31e923fe2 386 \param bit JTAG TRST Test Reset pin status:
Pawel Zarembski 0:01f31e923fe2 387 - 0: issue a JTAG TRST Test Reset.
Pawel Zarembski 0:01f31e923fe2 388 - 1: release JTAG TRST Test Reset.
Pawel Zarembski 0:01f31e923fe2 389 */
Pawel Zarembski 0:01f31e923fe2 390 __STATIC_FORCEINLINE void PIN_nTRST_OUT(uint32_t bit)
Pawel Zarembski 0:01f31e923fe2 391 {
Pawel Zarembski 0:01f31e923fe2 392 ; // Not available
Pawel Zarembski 0:01f31e923fe2 393 }
Pawel Zarembski 0:01f31e923fe2 394
Pawel Zarembski 0:01f31e923fe2 395 // nRESET Pin I/O------------------------------------------
Pawel Zarembski 0:01f31e923fe2 396
Pawel Zarembski 0:01f31e923fe2 397 /** nRESET I/O pin: Get Input.
Pawel Zarembski 0:01f31e923fe2 398 \return Current status of the nRESET DAP hardware I/O pin.
Pawel Zarembski 0:01f31e923fe2 399 */
Pawel Zarembski 0:01f31e923fe2 400 __STATIC_FORCEINLINE uint32_t PIN_nRESET_IN(void)
Pawel Zarembski 0:01f31e923fe2 401 {
Pawel Zarembski 0:01f31e923fe2 402 if (gpio_reset_pin_is_input) {
Pawel Zarembski 0:01f31e923fe2 403 return X_BYTE(nRESET) & 0x1;
Pawel Zarembski 0:01f31e923fe2 404 } else {
Pawel Zarembski 0:01f31e923fe2 405 return 0; // Always LOW when output
Pawel Zarembski 0:01f31e923fe2 406 }
Pawel Zarembski 0:01f31e923fe2 407 }
Pawel Zarembski 0:01f31e923fe2 408
Pawel Zarembski 0:01f31e923fe2 409 /** nRESET I/O pin: Set Output.
Pawel Zarembski 0:01f31e923fe2 410 \param bit target device hardware reset pin status:
Pawel Zarembski 0:01f31e923fe2 411 - 0: issue a device hardware reset.
Pawel Zarembski 0:01f31e923fe2 412 - 1: release device hardware reset.
Pawel Zarembski 0:01f31e923fe2 413 */
Pawel Zarembski 0:01f31e923fe2 414 __STATIC_FORCEINLINE void PIN_nRESET_OUT(uint32_t bit)
Pawel Zarembski 0:01f31e923fe2 415 {
Pawel Zarembski 0:01f31e923fe2 416 if (bit) {
Pawel Zarembski 0:01f31e923fe2 417 // release device hardware reset. (reset INPUT, reset oe LOW=INPUT)
Pawel Zarembski 0:01f31e923fe2 418 X_DIR_IN(nRESET);
Pawel Zarembski 0:01f31e923fe2 419 X_CLR(RESET_TXE);
Pawel Zarembski 0:01f31e923fe2 420 gpio_reset_pin_is_input = __TRUE;
Pawel Zarembski 0:01f31e923fe2 421 LPC_GPIO_PIN_INT->IST = 0x01; // ACK any pending edge interrupt
Pawel Zarembski 0:01f31e923fe2 422 LPC_GPIO_PIN_INT->SIENF |= 0x1; // Enable falling edge interrupt
Pawel Zarembski 0:01f31e923fe2 423 } else {
Pawel Zarembski 0:01f31e923fe2 424 // issue a device hardware reset. (reset OUTPUT+LOW, reset oe HIGH=OUTPUT)
Pawel Zarembski 0:01f31e923fe2 425 gpio_reset_pin_is_input = __FALSE;
Pawel Zarembski 0:01f31e923fe2 426 LPC_GPIO_PIN_INT->CIENF |= 0x1; // Disable falling edge interrupt
Pawel Zarembski 0:01f31e923fe2 427 LPC_GPIO_PIN_INT->IST = 0x01; // ACK any pending edge interrupt
Pawel Zarembski 0:01f31e923fe2 428 X_SET(RESET_TXE);
Pawel Zarembski 0:01f31e923fe2 429 X_CLR(nRESET);
Pawel Zarembski 0:01f31e923fe2 430 X_DIR_OUT(nRESET);
Pawel Zarembski 0:01f31e923fe2 431 }
Pawel Zarembski 0:01f31e923fe2 432 }
Pawel Zarembski 0:01f31e923fe2 433
Pawel Zarembski 0:01f31e923fe2 434 ///@}
Pawel Zarembski 0:01f31e923fe2 435
Pawel Zarembski 0:01f31e923fe2 436
Pawel Zarembski 0:01f31e923fe2 437 //**************************************************************************************************
Pawel Zarembski 0:01f31e923fe2 438 /**
Pawel Zarembski 0:01f31e923fe2 439 \defgroup DAP_Config_LEDs_gr CMSIS-DAP Hardware Status LEDs
Pawel Zarembski 0:01f31e923fe2 440 \ingroup DAP_ConfigIO_gr
Pawel Zarembski 0:01f31e923fe2 441 @{
Pawel Zarembski 0:01f31e923fe2 442
Pawel Zarembski 0:01f31e923fe2 443 CMSIS-DAP Hardware may provide LEDs that indicate the status of the CMSIS-DAP Debug Unit.
Pawel Zarembski 0:01f31e923fe2 444
Pawel Zarembski 0:01f31e923fe2 445 It is recommended to provide the following LEDs for status indication:
Pawel Zarembski 0:01f31e923fe2 446 - Connect LED: is active when the DAP hardware is connected to a debugger.
Pawel Zarembski 0:01f31e923fe2 447 - Running LED: is active when the debugger has put the target device into running state.
Pawel Zarembski 0:01f31e923fe2 448 */
Pawel Zarembski 0:01f31e923fe2 449
Pawel Zarembski 0:01f31e923fe2 450 /** Debug Unit: Set status of Connected LED.
Pawel Zarembski 0:01f31e923fe2 451 \param bit status of the Connect LED.
Pawel Zarembski 0:01f31e923fe2 452 - 1: Connect LED ON: debugger is connected to CMSIS-DAP Debug Unit.
Pawel Zarembski 0:01f31e923fe2 453 - 0: Connect LED OFF: debugger is not connected to CMSIS-DAP Debug Unit.
Pawel Zarembski 0:01f31e923fe2 454 */
Pawel Zarembski 0:01f31e923fe2 455 __STATIC_INLINE void LED_CONNECTED_OUT(uint32_t bit)
Pawel Zarembski 0:01f31e923fe2 456 {
Pawel Zarembski 0:01f31e923fe2 457 }
Pawel Zarembski 0:01f31e923fe2 458
Pawel Zarembski 0:01f31e923fe2 459 /** Debug Unit: Set status Target Running LED.
Pawel Zarembski 0:01f31e923fe2 460 \param bit status of the Target Running LED.
Pawel Zarembski 0:01f31e923fe2 461 - 1: Target Running LED ON: program execution in target started.
Pawel Zarembski 0:01f31e923fe2 462 - 0: Target Running LED OFF: program execution in target stopped.
Pawel Zarembski 0:01f31e923fe2 463 */
Pawel Zarembski 0:01f31e923fe2 464 __STATIC_INLINE void LED_RUNNING_OUT(uint32_t bit)
Pawel Zarembski 0:01f31e923fe2 465 {
Pawel Zarembski 0:01f31e923fe2 466 ; // Not available
Pawel Zarembski 0:01f31e923fe2 467 }
Pawel Zarembski 0:01f31e923fe2 468
Pawel Zarembski 0:01f31e923fe2 469 ///@}
Pawel Zarembski 0:01f31e923fe2 470
Pawel Zarembski 0:01f31e923fe2 471
Pawel Zarembski 0:01f31e923fe2 472 //**************************************************************************************************
Pawel Zarembski 0:01f31e923fe2 473 /**
Pawel Zarembski 0:01f31e923fe2 474 \defgroup DAP_Config_Timestamp_gr CMSIS-DAP Timestamp
Pawel Zarembski 0:01f31e923fe2 475 \ingroup DAP_ConfigIO_gr
Pawel Zarembski 0:01f31e923fe2 476 @{
Pawel Zarembski 0:01f31e923fe2 477 Access function for Test Domain Timer.
Pawel Zarembski 0:01f31e923fe2 478
Pawel Zarembski 0:01f31e923fe2 479 The value of the Test Domain Timer in the Debug Unit is returned by the function \ref TIMESTAMP_GET. By
Pawel Zarembski 0:01f31e923fe2 480 default, the DWT timer is used. The frequency of this timer is configured with \ref TIMESTAMP_CLOCK.
Pawel Zarembski 0:01f31e923fe2 481
Pawel Zarembski 0:01f31e923fe2 482 */
Pawel Zarembski 0:01f31e923fe2 483
Pawel Zarembski 0:01f31e923fe2 484 /** Get timestamp of Test Domain Timer.
Pawel Zarembski 0:01f31e923fe2 485 \return Current timestamp value.
Pawel Zarembski 0:01f31e923fe2 486 */
Pawel Zarembski 0:01f31e923fe2 487 __STATIC_INLINE uint32_t TIMESTAMP_GET (void) {
Pawel Zarembski 0:01f31e923fe2 488 return (DWT->CYCCNT) / (CPU_CLOCK / TIMESTAMP_CLOCK);
Pawel Zarembski 0:01f31e923fe2 489 }
Pawel Zarembski 0:01f31e923fe2 490
Pawel Zarembski 0:01f31e923fe2 491 ///@}
Pawel Zarembski 0:01f31e923fe2 492
Pawel Zarembski 0:01f31e923fe2 493
Pawel Zarembski 0:01f31e923fe2 494 //**************************************************************************************************
Pawel Zarembski 0:01f31e923fe2 495 /**
Pawel Zarembski 0:01f31e923fe2 496 \defgroup DAP_Config_Initialization_gr CMSIS-DAP Initialization
Pawel Zarembski 0:01f31e923fe2 497 \ingroup DAP_ConfigIO_gr
Pawel Zarembski 0:01f31e923fe2 498 @{
Pawel Zarembski 0:01f31e923fe2 499
Pawel Zarembski 0:01f31e923fe2 500 CMSIS-DAP Hardware I/O and LED Pins are initialized with the function \ref DAP_SETUP.
Pawel Zarembski 0:01f31e923fe2 501 */
Pawel Zarembski 0:01f31e923fe2 502
Pawel Zarembski 0:01f31e923fe2 503 /** Setup of the Debug Unit I/O pins and LEDs (called when Debug Unit is initialized).
Pawel Zarembski 0:01f31e923fe2 504 This function performs the initialization of the CMSIS-DAP Hardware I/O Pins and the
Pawel Zarembski 0:01f31e923fe2 505 Status LEDs. In detail the operation of Hardware I/O and LED pins are enabled and set:
Pawel Zarembski 0:01f31e923fe2 506 - I/O clock system enabled.
Pawel Zarembski 0:01f31e923fe2 507 - all I/O pins: input buffer enabled, output pins are set to HighZ mode.
Pawel Zarembski 0:01f31e923fe2 508 - for nTRST, nRESET a weak pull-up (if available) is enabled.
Pawel Zarembski 0:01f31e923fe2 509 - LED output pins are enabled and LEDs are turned off.
Pawel Zarembski 0:01f31e923fe2 510 */
Pawel Zarembski 0:01f31e923fe2 511 __STATIC_INLINE void DAP_SETUP(void)
Pawel Zarembski 0:01f31e923fe2 512 {
Pawel Zarembski 0:01f31e923fe2 513 /* Enable clock and init GPIO outputs */
Pawel Zarembski 0:01f31e923fe2 514 LPC_CCU1->CLK_M4_GPIO_CFG = CCU_CLK_CFG_AUTO | CCU_CLK_CFG_RUN;
Pawel Zarembski 0:01f31e923fe2 515
Pawel Zarembski 0:01f31e923fe2 516 while (!(LPC_CCU1->CLK_M4_GPIO_STAT & CCU_CLK_STAT_RUN));
Pawel Zarembski 0:01f31e923fe2 517
Pawel Zarembski 0:01f31e923fe2 518 /* Configure I/O pins: function number, input buffer enabled, */
Pawel Zarembski 0:01f31e923fe2 519 /* no pull-up/down */
Pawel Zarembski 0:01f31e923fe2 520 scu_pinmux(1, 17, GPIO_NOPULL, FUNC0); /* SWCLK/TCK: GPIO0[12] */
Pawel Zarembski 0:01f31e923fe2 521 scu_pinmux(1, 6, GPIO_NOPULL, FUNC0); /* SWDIO/TMS: GPIO1[9] */
Pawel Zarembski 0:01f31e923fe2 522 scu_pinmux(1, 5, GPIO_NOPULL, FUNC0); /* SWDIO_OE: GPIO1[8] */
Pawel Zarembski 0:01f31e923fe2 523 }
Pawel Zarembski 0:01f31e923fe2 524
Pawel Zarembski 0:01f31e923fe2 525 /** Reset Target Device with custom specific I/O pin or command sequence.
Pawel Zarembski 0:01f31e923fe2 526 This function allows the optional implementation of a device specific reset sequence.
Pawel Zarembski 0:01f31e923fe2 527 It is called when the command \ref DAP_ResetTarget and is for example required
Pawel Zarembski 0:01f31e923fe2 528 when a device needs a time-critical unlock sequence that enables the debug port.
Pawel Zarembski 0:01f31e923fe2 529 \return 0 = no device specific reset sequence is implemented.\n
Pawel Zarembski 0:01f31e923fe2 530 1 = a device specific reset sequence is implemented.
Pawel Zarembski 0:01f31e923fe2 531 */
Pawel Zarembski 0:01f31e923fe2 532 __STATIC_INLINE uint32_t RESET_TARGET(void)
Pawel Zarembski 0:01f31e923fe2 533 {
Pawel Zarembski 0:01f31e923fe2 534 return (0); // change to '1' when a device reset sequence is implemented
Pawel Zarembski 0:01f31e923fe2 535 }
Pawel Zarembski 0:01f31e923fe2 536
Pawel Zarembski 0:01f31e923fe2 537 ///@}
Pawel Zarembski 0:01f31e923fe2 538
Pawel Zarembski 0:01f31e923fe2 539
Pawel Zarembski 0:01f31e923fe2 540 #endif /* __DAP_CONFIG_H__ */