Arrow / Mbed OS DAPLink Reset

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

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

source/family/maxim/max32620/target_reset.c@0:01f31e923fe2, 2020-04-07 (annotated)

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 target_reset.c
Pawel Zarembski 0:01f31e923fe2 3 * @brief Target reset for the MAX32620
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 #include "swd_host.h"
Pawel Zarembski 0:01f31e923fe2 23
Pawel Zarembski 0:01f31e923fe2 24 void target_before_init_debug(void)
Pawel Zarembski 0:01f31e923fe2 25 {
Pawel Zarembski 0:01f31e923fe2 26 // any target specific sequences needed before attaching
Pawel Zarembski 0:01f31e923fe2 27 // to the DAP across JTAG or SWD
Pawel Zarembski 0:01f31e923fe2 28 return;
Pawel Zarembski 0:01f31e923fe2 29 }
Pawel Zarembski 0:01f31e923fe2 30
Pawel Zarembski 0:01f31e923fe2 31 uint8_t target_unlock_sequence(void)
Pawel Zarembski 0:01f31e923fe2 32 {
Pawel Zarembski 0:01f31e923fe2 33 // if the device can secure the flash and there is a way to
Pawel Zarembski 0:01f31e923fe2 34 // erase all it should be implemented here.
Pawel Zarembski 0:01f31e923fe2 35 return 1;
Pawel Zarembski 0:01f31e923fe2 36 }
Pawel Zarembski 0:01f31e923fe2 37
Pawel Zarembski 0:01f31e923fe2 38 uint8_t target_set_state(target_state_t state)
Pawel Zarembski 0:01f31e923fe2 39 {
Pawel Zarembski 0:01f31e923fe2 40 // invoke reset by sw (VECT_REQ or SYS_REQ) or hw (hardware IO toggle)
Pawel Zarembski 0:01f31e923fe2 41 // return swd_set_target_state_sw(state);
Pawel Zarembski 0:01f31e923fe2 42 //or
Pawel Zarembski 0:01f31e923fe2 43 return swd_set_target_state_hw(state);
Pawel Zarembski 0:01f31e923fe2 44 }
Pawel Zarembski 0:01f31e923fe2 45
Pawel Zarembski 0:01f31e923fe2 46 uint8_t security_bits_set(uint32_t addr, uint8_t *data, uint32_t size)
Pawel Zarembski 0:01f31e923fe2 47 {
Pawel Zarembski 0:01f31e923fe2 48 // if there are security bits in the programmable flash region
Pawel Zarembski 0:01f31e923fe2 49 // a check should be performed. This method is used when programming
Pawel Zarembski 0:01f31e923fe2 50 // by drag-n-drop and should refuse to program an image requesting
Pawel Zarembski 0:01f31e923fe2 51 // to set the device security. This can be performed with the debug channel
Pawel Zarembski 0:01f31e923fe2 52 // if needed.
Pawel Zarembski 0:01f31e923fe2 53 return 0;
Pawel Zarembski 0:01f31e923fe2 54 }