61 lines
2.4 KiB
C++
61 lines
2.4 KiB
C++
/******************************************************************************
|
|
* The MIT License
|
|
*
|
|
* Copyright (c) 2012 LeafLabs, LLC.
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person
|
|
* obtaining a copy of this software and associated documentation
|
|
* files (the "Software"), to deal in the Software without
|
|
* restriction, including without limitation the rights to use, copy,
|
|
* modify, merge, publish, distribute, sublicense, and/or sell copies
|
|
* of the Software, and to permit persons to whom the Software is
|
|
* furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be
|
|
* included in all copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
|
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
|
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
|
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
|
|
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
|
|
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
|
|
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
|
* SOFTWARE.
|
|
*****************************************************************************/
|
|
|
|
/**
|
|
* @file wirish/stm32f2/wirish_debug.cpp
|
|
* @brief High level debug port configuration
|
|
*/
|
|
|
|
#include <wirish/wirish_debug.h>
|
|
#include <libmaple/gpio.h>
|
|
|
|
// TODO is it worth optimizing these into raw MODER and AFR[LH] writes?
|
|
|
|
void disableDebugPorts(void) {
|
|
// PA13-PA15 and PB3-PB4 are in system alternate function mode on
|
|
// reset, to support JTAG. Just put them in input mode to release
|
|
// them.
|
|
gpio_set_mode(GPIOA, 13, GPIO_MODE_INPUT);
|
|
gpio_set_mode(GPIOA, 14, GPIO_MODE_INPUT);
|
|
gpio_set_mode(GPIOA, 15, GPIO_MODE_INPUT);
|
|
gpio_set_mode(GPIOB, 3, GPIO_MODE_INPUT);
|
|
gpio_set_mode(GPIOB, 4, GPIO_MODE_INPUT);
|
|
}
|
|
|
|
void enableDebugPorts(void) {
|
|
// Put PA13-PA15 and PB3-PB4 back in system AF mode.
|
|
gpio_set_mode(GPIOA, 13, GPIO_MODE_AF);
|
|
gpio_set_mode(GPIOA, 14, GPIO_MODE_AF);
|
|
gpio_set_mode(GPIOA, 15, GPIO_MODE_AF);
|
|
gpio_set_mode(GPIOB, 3, GPIO_MODE_AF);
|
|
gpio_set_mode(GPIOB, 4, GPIO_MODE_AF);
|
|
gpio_set_af(GPIOA, 13, GPIO_AF_SYS);
|
|
gpio_set_af(GPIOA, 14, GPIO_AF_SYS);
|
|
gpio_set_af(GPIOA, 15, GPIO_AF_SYS);
|
|
gpio_set_af(GPIOB, 3, GPIO_AF_SYS);
|
|
gpio_set_af(GPIOB, 4, GPIO_AF_SYS);
|
|
}
|